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Posted to commits@taverna.apache.org by st...@apache.org on 2015/02/17 12:45:33 UTC

[09/52] [abbrv] incubator-taverna-workbench git commit: taverna-ui-impl/

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/FileSaveMenuAction.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/FileSaveMenuAction.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/FileSaveMenuAction.java
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@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.menu;
+
+import static net.sf.taverna.t2.workbench.file.impl.menu.FileSaveMenuSection.FILE_SAVE_SECTION_URI;
+
+import javax.swing.Action;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuAction;
+import net.sf.taverna.t2.workbench.edits.EditManager;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.impl.actions.SaveWorkflowAction;
+
+public class FileSaveMenuAction extends AbstractMenuAction {
+	private final EditManager editManager;
+	private final FileManager fileManager;
+
+	public FileSaveMenuAction(EditManager editManager, FileManager fileManager) {
+		super(FILE_SAVE_SECTION_URI, 10);
+		this.editManager = editManager;
+		this.fileManager = fileManager;
+	}
+
+	@Override
+	protected Action createAction() {
+		return new SaveWorkflowAction(editManager, fileManager);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/FileSaveMenuSection.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/FileSaveMenuSection.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/FileSaveMenuSection.java
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@@ -0,0 +1,36 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester   
+ * 
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ * 
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *    
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *    
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.menu;
+
+import java.net.URI;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuSection;
+
+public class FileSaveMenuSection extends AbstractMenuSection {
+	public static final URI FILE_URI = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#file");
+	public static final URI FILE_SAVE_SECTION_URI = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#fileSaveSection");
+
+	public FileSaveMenuSection() {
+		super(FILE_URI, 40, FILE_SAVE_SECTION_URI);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/WorkflowsMenu.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/WorkflowsMenu.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/menu/WorkflowsMenu.java
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+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.menu;
+
+import static java.awt.event.KeyEvent.VK_0;
+import static java.awt.event.KeyEvent.VK_W;
+import static javax.swing.Action.MNEMONIC_KEY;
+import static javax.swing.SwingUtilities.invokeLater;
+import static net.sf.taverna.t2.ui.menu.DefaultMenuBar.DEFAULT_MENU_BAR;
+
+import java.awt.Component;
+import java.awt.event.ActionEvent;
+
+import javax.swing.AbstractAction;
+import javax.swing.ButtonGroup;
+import javax.swing.JMenu;
+import javax.swing.JRadioButtonMenuItem;
+
+import net.sf.taverna.t2.lang.observer.Observable;
+import net.sf.taverna.t2.lang.observer.Observer;
+import net.sf.taverna.t2.ui.menu.AbstractMenuCustom;
+import net.sf.taverna.t2.workbench.edits.EditManager;
+import net.sf.taverna.t2.workbench.edits.EditManager.AbstractDataflowEditEvent;
+import net.sf.taverna.t2.workbench.edits.EditManager.EditManagerEvent;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.events.AbstractDataflowEvent;
+import net.sf.taverna.t2.workbench.file.events.FileManagerEvent;
+import uk.org.taverna.scufl2.api.container.WorkflowBundle;
+
+public class WorkflowsMenu extends AbstractMenuCustom {
+	private EditManagerObserver editManagerObserver = new EditManagerObserver();
+	private FileManager fileManager;
+	private FileManagerObserver fileManagerObserver = new FileManagerObserver();
+
+	private JMenu workflowsMenu;
+
+	public WorkflowsMenu(EditManager editManager, FileManager fileManager) {
+		super(DEFAULT_MENU_BAR, 900);
+		this.fileManager = fileManager;
+		fileManager.addObserver(fileManagerObserver);
+		editManager.addObserver(editManagerObserver);
+	}
+
+	@Override
+	protected Component createCustomComponent() {
+		DummyAction action = new DummyAction("Workflows");
+		action.putValue(MNEMONIC_KEY, VK_W);
+
+		workflowsMenu = new JMenu(action);
+
+		updateWorkflowsMenu();
+		return workflowsMenu;
+	}
+
+	public void updateWorkflowsMenu() {
+		invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				updateWorkflowsMenuUI();
+			}
+		});
+	}
+
+	protected void updateWorkflowsMenuUI() {
+		workflowsMenu.setEnabled(false);
+		workflowsMenu.removeAll();
+		ButtonGroup workflowsGroup = new ButtonGroup();
+
+		int i = 0;
+		WorkflowBundle currentDataflow = fileManager.getCurrentDataflow();
+		for (WorkflowBundle workflowBundle : fileManager.getOpenDataflows()) {
+			String name = fileManager.getDataflowName(workflowBundle);
+			if (fileManager.isDataflowChanged(workflowBundle))
+				name = "*" + name;
+			// A counter
+			name = ++i + " " + name;
+
+			SwitchWorkflowAction switchWorkflowAction = new SwitchWorkflowAction(
+					name, workflowBundle);
+			if (i < 10)
+				switchWorkflowAction.putValue(MNEMONIC_KEY, new Integer(VK_0
+						+ i));
+
+			JRadioButtonMenuItem switchWorkflowMenuItem = new JRadioButtonMenuItem(
+					switchWorkflowAction);
+			workflowsGroup.add(switchWorkflowMenuItem);
+			if (workflowBundle.equals(currentDataflow))
+				switchWorkflowMenuItem.setSelected(true);
+			workflowsMenu.add(switchWorkflowMenuItem);
+		}
+		if (i == 0)
+			workflowsMenu.add(new NoWorkflowsOpen());
+		workflowsMenu.setEnabled(true);
+		workflowsMenu.revalidate();
+	}
+
+	private final class EditManagerObserver implements
+			Observer<EditManagerEvent> {
+		@Override
+		public void notify(Observable<EditManagerEvent> sender,
+				EditManagerEvent message) throws Exception {
+			if (message instanceof AbstractDataflowEditEvent)
+				updateWorkflowsMenu();
+		}
+	}
+
+	private final class FileManagerObserver implements
+			Observer<FileManagerEvent> {
+		@Override
+		public void notify(Observable<FileManagerEvent> sender,
+				FileManagerEvent message) throws Exception {
+			if (message instanceof AbstractDataflowEvent)
+				updateWorkflowsMenu();
+			// TODO: Don't rebuild whole menu
+		}
+	}
+
+	@SuppressWarnings("serial")
+	private final class NoWorkflowsOpen extends AbstractAction {
+		private NoWorkflowsOpen() {
+			super("No workflows open");
+			setEnabled(false);
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			// No-op
+		}
+	}
+
+	@SuppressWarnings("serial")
+	private final class SwitchWorkflowAction extends AbstractAction {
+		private final WorkflowBundle workflowBundle;
+
+		private SwitchWorkflowAction(String name, WorkflowBundle workflowBundle) {
+			super(name);
+			this.workflowBundle = workflowBundle;
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			fileManager.setCurrentDataflow(workflowBundle);
+		}
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/CloseToolbarAction.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/CloseToolbarAction.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/CloseToolbarAction.java
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+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.toolbar;
+
+import static net.sf.taverna.t2.workbench.file.impl.toolbar.FileToolbarMenuSection.FILE_TOOLBAR_SECTION;
+
+import java.net.URI;
+
+import javax.swing.Action;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuAction;
+import net.sf.taverna.t2.workbench.edits.EditManager;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.impl.actions.CloseWorkflowAction;
+
+/**
+ * Action to close the current workflow.
+ * 
+ * @author Alex Nenadic
+ */
+public class CloseToolbarAction extends AbstractMenuAction {
+	private static final URI FILE_CLOSE_URI = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#fileToolbarClose");
+	private final EditManager editManager;
+	private final FileManager fileManager;
+
+	public CloseToolbarAction(EditManager editManager, FileManager fileManager) {
+		super(FILE_TOOLBAR_SECTION, 30, FILE_CLOSE_URI);
+		this.editManager = editManager;
+		this.fileManager = fileManager;
+	}
+
+	@Override
+	protected Action createAction() {
+		return new CloseWorkflowAction(editManager, fileManager);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/FileToolbarMenuSection.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/FileToolbarMenuSection.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/FileToolbarMenuSection.java
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@@ -0,0 +1,36 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester   
+ * 
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ * 
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *    
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *    
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.toolbar;
+
+import static net.sf.taverna.t2.ui.menu.DefaultToolBar.DEFAULT_TOOL_BAR;
+
+import java.net.URI;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuSection;
+
+public class FileToolbarMenuSection extends AbstractMenuSection {
+	public static final URI FILE_TOOLBAR_SECTION = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#fileToolbarSection");
+
+	public FileToolbarMenuSection() {
+		super(DEFAULT_TOOL_BAR, 10, FILE_TOOLBAR_SECTION);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/NewToolbarAction.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/NewToolbarAction.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/NewToolbarAction.java
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+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.toolbar;
+
+import static net.sf.taverna.t2.workbench.file.impl.toolbar.FileToolbarMenuSection.FILE_TOOLBAR_SECTION;
+
+import java.net.URI;
+
+import javax.swing.Action;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuAction;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.impl.actions.NewWorkflowAction;
+
+public class NewToolbarAction extends AbstractMenuAction {
+	private static final URI FILE_NEW_URI = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#fileToolbarNew");
+	private final FileManager fileManager;
+
+	public NewToolbarAction(FileManager fileManager) {
+		super(FILE_TOOLBAR_SECTION, 10, FILE_NEW_URI);
+		this.fileManager = fileManager;
+	}
+
+	@Override
+	protected Action createAction() {
+		return new NewWorkflowAction(fileManager);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/OpenToolbarAction.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/OpenToolbarAction.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/OpenToolbarAction.java
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+++ b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/OpenToolbarAction.java
@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.toolbar;
+
+import static net.sf.taverna.t2.workbench.file.impl.toolbar.FileToolbarMenuSection.FILE_TOOLBAR_SECTION;
+
+import java.net.URI;
+
+import javax.swing.Action;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuAction;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.impl.actions.OpenWorkflowAction;
+
+public class OpenToolbarAction extends AbstractMenuAction {
+	private static final URI FILE_OPEN_URI = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#fileToolbarOpen");
+	private final FileManager fileManager;
+
+	public OpenToolbarAction(FileManager fileManager) {
+		super(FILE_TOOLBAR_SECTION, 20, FILE_OPEN_URI);
+		this.fileManager = fileManager;
+	}
+
+	@Override
+	protected Action createAction() {
+		return new OpenWorkflowAction(fileManager);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/OpenWorkflowFromURLToolbarAction.java
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diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/OpenWorkflowFromURLToolbarAction.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/OpenWorkflowFromURLToolbarAction.java
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@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.toolbar;
+
+import static net.sf.taverna.t2.workbench.file.impl.toolbar.FileToolbarMenuSection.FILE_TOOLBAR_SECTION;
+
+import java.net.URI;
+
+import javax.swing.Action;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuAction;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.impl.actions.OpenWorkflowFromURLAction;
+
+public class OpenWorkflowFromURLToolbarAction extends AbstractMenuAction {
+	private static final URI FILE_OPEN_FROM_URL_URI = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#fileToolbarOpenFromURL");
+	private final FileManager fileManager;
+
+	public OpenWorkflowFromURLToolbarAction(FileManager fileManager) {
+		super(FILE_TOOLBAR_SECTION, 25, FILE_OPEN_FROM_URL_URI);
+		this.fileManager = fileManager;
+	}
+
+	@Override
+	protected Action createAction() {
+		return new OpenWorkflowFromURLAction(null, fileManager);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/SaveToolbarAction.java
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/SaveToolbarAction.java b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/SaveToolbarAction.java
new file mode 100644
index 0000000..53ba720
--- /dev/null
+++ b/taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/toolbar/SaveToolbarAction.java
@@ -0,0 +1,50 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl.toolbar;
+
+import static net.sf.taverna.t2.workbench.file.impl.toolbar.FileToolbarMenuSection.FILE_TOOLBAR_SECTION;
+
+import java.net.URI;
+
+import javax.swing.Action;
+
+import net.sf.taverna.t2.ui.menu.AbstractMenuAction;
+import net.sf.taverna.t2.workbench.edits.EditManager;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.impl.actions.SaveWorkflowAction;
+
+public class SaveToolbarAction extends AbstractMenuAction {
+	private static final URI FILE_SAVE_URI = URI
+			.create("http://taverna.sf.net/2008/t2workbench/menu#fileToolbarSave");
+	private final EditManager editManager;
+	private final FileManager fileManager;
+
+	public SaveToolbarAction(EditManager editManager, FileManager fileManager) {
+		super(FILE_TOOLBAR_SECTION, 40, FILE_SAVE_URI);
+		this.editManager = editManager;
+		this.fileManager = fileManager;
+	}
+
+	@Override
+	protected Action createAction() {
+		return new SaveWorkflowAction(editManager, fileManager);
+	}
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.ui.menu.MenuComponent
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.ui.menu.MenuComponent b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.ui.menu.MenuComponent
new file mode 100644
index 0000000..100915c
--- /dev/null
+++ b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.ui.menu.MenuComponent
@@ -0,0 +1,20 @@
+net.sf.taverna.t2.workbench.file.impl.menu.FileCloseMenuAction
+net.sf.taverna.t2.workbench.file.impl.menu.FileNewMenuAction
+net.sf.taverna.t2.workbench.file.impl.menu.FileOpenMenuAction
+net.sf.taverna.t2.workbench.file.impl.menu.FileOpenFromURLMenuAction
+net.sf.taverna.t2.workbench.file.impl.menu.FileOpenMenuSection
+net.sf.taverna.t2.workbench.file.impl.menu.FileOpenRecentMenuAction
+net.sf.taverna.t2.workbench.file.impl.menu.FileSaveMenuSection
+net.sf.taverna.t2.workbench.file.impl.menu.FileSaveMenuAction
+net.sf.taverna.t2.workbench.file.impl.menu.FileSaveAllMenuAction
+net.sf.taverna.t2.workbench.file.impl.menu.FileSaveAsMenuAction
+
+net.sf.taverna.t2.workbench.file.impl.menu.WorkflowsMenu
+net.sf.taverna.t2.workbench.file.impl.menu.FileCloseAllMenuAction
+
+net.sf.taverna.t2.workbench.file.impl.toolbar.FileToolbarMenuSection
+net.sf.taverna.t2.workbench.file.impl.toolbar.NewToolbarAction
+net.sf.taverna.t2.workbench.file.impl.toolbar.OpenToolbarAction
+net.sf.taverna.t2.workbench.file.impl.toolbar.OpenWorkflowFromURLToolbarAction
+net.sf.taverna.t2.workbench.file.impl.toolbar.SaveToolbarAction
+net.sf.taverna.t2.workbench.file.impl.toolbar.CloseToolbarAction

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.ShutdownSPI
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.ShutdownSPI b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.ShutdownSPI
new file mode 100644
index 0000000..cc53d36
--- /dev/null
+++ b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.ShutdownSPI
@@ -0,0 +1 @@
+net.sf.taverna.t2.workbench.file.impl.hooks.CloseWorkflowsOnShutdown

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler
new file mode 100644
index 0000000..cfd1c7a
--- /dev/null
+++ b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler
@@ -0,0 +1,2 @@
+net.sf.taverna.t2.workbench.file.impl.T2DataflowOpener
+net.sf.taverna.t2.workbench.file.impl.DataflowFromDataflowPersistenceHandler
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.FileManager
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.FileManager b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.FileManager
new file mode 100644
index 0000000..656feeb
--- /dev/null
+++ b/taverna-workbench-file-impl/src/main/resources/META-INF/services/net.sf.taverna.t2.workbench.file.FileManager
@@ -0,0 +1 @@
+net.sf.taverna.t2.workbench.file.impl.FileManagerImpl
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context-osgi.xml
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context-osgi.xml b/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context-osgi.xml
new file mode 100644
index 0000000..7c6e290
--- /dev/null
+++ b/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context-osgi.xml
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans:beans xmlns="http://www.springframework.org/schema/osgi" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:beans="http://www.springframework.org/schema/beans"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+                      http://www.springframework.org/schema/beans/spring-beans.xsd
+                      http://www.springframework.org/schema/osgi
+                      http://www.springframework.org/schema/osgi/spring-osgi.xsd">
+
+	<service ref="FileCloseMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.close" />
+		</service-properties>
+	</service>
+	<service ref="FileNewMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.new" />
+		</service-properties>
+	</service>
+	<service ref="FileOpenMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.open" />
+		</service-properties>
+	</service>
+	<service ref="FileOpenFromURLMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.open.url" />
+		</service-properties>
+	</service>
+	<service ref="FileOpenMenuSection" auto-export="interfaces" />
+	<service ref="FileOpenRecentMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.open.recent" />
+		</service-properties>
+	</service>
+	<service ref="FileSaveMenuSection" auto-export="interfaces" />
+	<service ref="FileSaveMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.save" />
+		</service-properties>
+	</service>
+	<service ref="FileSaveAllMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.save.all" />
+		</service-properties>
+	</service>
+	<service ref="FileSaveAsMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.save.as" />
+		</service-properties>
+	</service>
+	<service ref="WorkflowsMenu" auto-export="interfaces" />
+	<service ref="FileCloseAllMenuAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="file.close.all" />
+		</service-properties>
+	</service>
+	<service ref="FileToolbarMenuSection" auto-export="interfaces" />
+	<service ref="NewToolbarAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="toolbar.new" />
+		</service-properties>
+	</service>
+	<service ref="OpenToolbarAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="toolbar.open" />
+		</service-properties>
+	</service>
+	<service ref="OpenWorkflowFromURLToolbarAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="toolbar.open.url" />
+		</service-properties>
+	</service>
+	<service ref="SaveToolbarAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="toolbar.save" />
+		</service-properties>
+	</service>
+	<service ref="CloseToolbarAction" auto-export="interfaces">
+		<service-properties>
+			<beans:entry key="menu.action" value="toolbar.close" />
+		</service-properties>
+	</service>
+
+	<service ref="T2DataflowOpener" interface="net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler" />
+
+	<service ref="WorkflowBundleOpener" interface="net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler" />
+	<service ref="WorkflowBundleSaver" interface="net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler" />
+
+	<service ref="CloseWorkflowsOnShutdown" interface="net.sf.taverna.t2.workbench.ShutdownSPI" />
+
+	<service ref="FileManagerImpl" interface="net.sf.taverna.t2.workbench.file.FileManager" />
+
+	<reference id="editManager" interface="net.sf.taverna.t2.workbench.edits.EditManager" />
+	<reference id="applicationConfiguration" interface="uk.org.taverna.configuration.app.ApplicationConfiguration" />
+	<reference id="workflowBundleIO" interface="uk.org.taverna.scufl2.api.io.WorkflowBundleIO" />
+
+	<list id="dataflowPersistenceHandlers" interface="net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler" cardinality="0..N">
+		<listener ref="DataflowPersistenceHandlerRegistry" bind-method="update" unbind-method="update" />
+	</list>
+</beans:beans>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context.xml
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context.xml b/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context.xml
new file mode 100644
index 0000000..493df5f
--- /dev/null
+++ b/taverna-workbench-file-impl/src/main/resources/META-INF/spring/file-impl-context.xml
@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+                      http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+	<bean id="FileCloseMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileCloseMenuAction">
+    	<constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="FileNewMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileNewMenuAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="FileOpenMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileOpenMenuAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="FileOpenFromURLMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileOpenFromURLMenuAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="FileOpenMenuSection" class="net.sf.taverna.t2.workbench.file.impl.menu.FileOpenMenuSection" />
+	<bean id="FileOpenRecentMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileOpenRecentMenuAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+ 		<property name="applicationConfiguration" ref="applicationConfiguration"/>
+    </bean>
+	<bean id="FileSaveMenuSection" class="net.sf.taverna.t2.workbench.file.impl.menu.FileSaveMenuSection" />
+	<bean id="FileSaveMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileSaveMenuAction">
+    	<constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="FileSaveAllMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileSaveAllMenuAction">
+    	<constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="FileSaveAsMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileSaveAsMenuAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="WorkflowsMenu" class="net.sf.taverna.t2.workbench.file.impl.menu.WorkflowsMenu">
+	    <constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+	</bean>
+	<bean id="FileCloseAllMenuAction" class="net.sf.taverna.t2.workbench.file.impl.menu.FileCloseAllMenuAction">
+    	<constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="FileToolbarMenuSection" class="net.sf.taverna.t2.workbench.file.impl.toolbar.FileToolbarMenuSection" />
+	<bean id="NewToolbarAction" class="net.sf.taverna.t2.workbench.file.impl.toolbar.NewToolbarAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="OpenToolbarAction" class="net.sf.taverna.t2.workbench.file.impl.toolbar.OpenToolbarAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="OpenWorkflowFromURLToolbarAction" class="net.sf.taverna.t2.workbench.file.impl.toolbar.OpenWorkflowFromURLToolbarAction">
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="SaveToolbarAction" class="net.sf.taverna.t2.workbench.file.impl.toolbar.SaveToolbarAction">
+    	<constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+	<bean id="CloseToolbarAction" class="net.sf.taverna.t2.workbench.file.impl.toolbar.CloseToolbarAction">
+    	<constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+
+	<bean id="T2DataflowOpener" class="net.sf.taverna.t2.workbench.file.impl.T2DataflowOpener">
+			<property name="workflowBundleIO" ref="workflowBundleIO"/>
+	</bean>
+
+	<bean id="WorkflowBundleOpener" class="net.sf.taverna.t2.workbench.file.impl.WorkflowBundleOpener">
+			<property name="workflowBundleIO" ref="workflowBundleIO"/>
+	</bean>
+	<bean id="WorkflowBundleSaver" class="net.sf.taverna.t2.workbench.file.impl.WorkflowBundleSaver">
+			<property name="workflowBundleIO" ref="workflowBundleIO"/>
+	</bean>
+
+	<bean id="CloseWorkflowsOnShutdown" class="net.sf.taverna.t2.workbench.file.impl.hooks.CloseWorkflowsOnShutdown">
+    	<constructor-arg ref="editManager" />
+    	<constructor-arg>
+			<ref local="FileManagerImpl" />
+		</constructor-arg>
+    </bean>
+
+	<bean id="FileManagerImpl" class="net.sf.taverna.t2.workbench.file.impl.FileManagerImpl">
+    	<constructor-arg name="editManager" ref="editManager" />
+    	<property name="dataflowPersistenceHandlerRegistry">
+    		<ref local="DataflowPersistenceHandlerRegistry"/>
+    	</property>
+	</bean>
+
+	<bean id="DataflowPersistenceHandlerRegistry" class="net.sf.taverna.t2.workbench.file.impl.DataflowPersistenceHandlerRegistry">
+    	<property name="dataflowPersistenceHandlers" ref="dataflowPersistenceHandlers" />
+	</bean>
+
+
+</beans>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/test/java/net/sf/taverna/t2/workbench/file/impl/FileManagerTest.java
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/test/java/net/sf/taverna/t2/workbench/file/impl/FileManagerTest.java b/taverna-workbench-file-impl/src/test/java/net/sf/taverna/t2/workbench/file/impl/FileManagerTest.java
new file mode 100644
index 0000000..691b278
--- /dev/null
+++ b/taverna-workbench-file-impl/src/test/java/net/sf/taverna/t2/workbench/file/impl/FileManagerTest.java
@@ -0,0 +1,385 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.file.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import net.sf.taverna.t2.lang.observer.Observable;
+import net.sf.taverna.t2.lang.observer.Observer;
+import net.sf.taverna.t2.workbench.edits.Edit;
+import net.sf.taverna.t2.workbench.edits.EditManager;
+import net.sf.taverna.t2.workbench.edits.impl.EditManagerImpl;
+import net.sf.taverna.t2.workbench.file.DataflowInfo;
+import net.sf.taverna.t2.workbench.file.DataflowPersistenceHandler;
+import net.sf.taverna.t2.workbench.file.FileManager;
+import net.sf.taverna.t2.workbench.file.events.FileManagerEvent;
+import net.sf.taverna.t2.workbench.file.events.SetCurrentDataflowEvent;
+import net.sf.taverna.t2.workbench.file.exceptions.OpenException;
+import net.sf.taverna.t2.workbench.file.exceptions.OverwriteException;
+import net.sf.taverna.t2.workflow.edits.AddProcessorEdit;
+import net.sf.taverna.t2.workflow.edits.RenameEdit;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import uk.org.taverna.scufl2.api.container.WorkflowBundle;
+import uk.org.taverna.scufl2.api.core.Processor;
+import uk.org.taverna.scufl2.api.core.Workflow;
+import uk.org.taverna.scufl2.api.io.WorkflowBundleIO;
+import uk.org.taverna.scufl2.api.io.WorkflowBundleReader;
+import uk.org.taverna.scufl2.api.io.WorkflowBundleWriter;
+import uk.org.taverna.scufl2.rdfxml.RDFXMLReader;
+import uk.org.taverna.scufl2.rdfxml.RDFXMLWriter;
+import uk.org.taverna.scufl2.translator.t2flow.T2FlowReader;
+
+public class FileManagerTest {
+
+	private static final WorkflowBundleFileType WF_BUNDLE_FILE_TYPE = new WorkflowBundleFileType();
+	private static final T2FlowFileType T2_FLOW_FILE_TYPE = new T2FlowFileType();
+
+	private static final String DUMMY_WORKFLOW_T2FLOW = "dummy-workflow.t2flow";
+
+	private FileManagerImpl fileManager;
+	private EditManager editManager;
+
+	private FileManagerObserver fileManagerObserver= new FileManagerObserver();;
+
+	@Test
+	public void close() throws Exception {
+		assertTrue("Non-empty set of open dataflows", fileManager
+				.getOpenDataflows().isEmpty());
+		WorkflowBundle dataflow = openDataflow();
+		assertEquals("Unexpected list of open dataflows", Arrays
+				.asList(dataflow), fileManager.getOpenDataflows());
+		fileManager.closeDataflow(dataflow, true);
+		assertNotSame(dataflow, fileManager.getOpenDataflows().get(0));
+		assertTrue("Did not insert empty dataflow after close", fileManager
+				.getOpenDataflows().get(0).getMainWorkflow().getProcessors().isEmpty());
+	}
+
+	@Test
+	public void openRemovesEmptyDataflow() throws Exception {
+		WorkflowBundle newDataflow = fileManager.newDataflow();
+		assertEquals("Unexpected list of open dataflows", Arrays
+				.asList(newDataflow), fileManager.getOpenDataflows());
+		WorkflowBundle dataflow = openDataflow();
+		// Should have removed newDataflow
+		assertEquals("Unexpected list of open dataflows", Arrays
+				.asList(dataflow), fileManager.getOpenDataflows());
+	}
+
+	@Test
+	public void isChanged() throws Exception {
+		WorkflowBundle dataflow = openDataflow();
+		assertFalse("Dataflow should not have changed", fileManager
+				.isDataflowChanged(dataflow));
+
+		// Do a change
+		Processor emptyProcessor = new Processor();
+		Edit<Workflow> addProcessorEdit = new AddProcessorEdit(dataflow.getMainWorkflow(),
+				emptyProcessor);
+		editManager.doDataflowEdit(dataflow, addProcessorEdit);
+		assertTrue("Dataflow should have changed", fileManager
+				.isDataflowChanged(dataflow));
+
+		// Save it with the change
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.deleteOnExit();
+		dataflowFile.delete();
+
+		fileManager.saveDataflow(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, false);
+		assertFalse("Dataflow should no longer be marked as changed",
+				fileManager.isDataflowChanged(dataflow));
+	}
+
+	@Ignore("Undo support for ischanged not yet implemented")
+	@Test
+	public void isChangedWithUndo() throws Exception {
+		WorkflowBundle dataflow = openDataflow();
+		// Do a change
+		Processor emptyProcessor = new Processor();
+		Edit<Workflow> addProcessorEdit = new AddProcessorEdit(dataflow.getMainWorkflow(),
+				emptyProcessor);
+		editManager.doDataflowEdit(dataflow, addProcessorEdit);
+		assertTrue("Dataflow should have changed", fileManager
+				.isDataflowChanged(dataflow));
+		editManager.undoDataflowEdit(dataflow);
+		assertFalse(
+				"Dataflow should no longer be marked as changed after undo",
+				fileManager.isDataflowChanged(dataflow));
+		editManager.redoDataflowEdit(dataflow);
+		assertTrue("Dataflow should have changed after redo before save",
+				fileManager.isDataflowChanged(dataflow));
+
+		// Save it with the change
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.deleteOnExit();
+		dataflowFile.delete();
+		fileManager.saveDataflow(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, false);
+		assertFalse("Dataflow should no longer be marked as changed",
+				fileManager.isDataflowChanged(dataflow));
+
+		editManager.undoDataflowEdit(dataflow);
+		assertTrue("Dataflow should have changed after undo", fileManager
+				.isDataflowChanged(dataflow));
+		fileManager.saveDataflow(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, false);
+		editManager.redoDataflowEdit(dataflow);
+		assertTrue("Dataflow should have changed after redo after save",
+				fileManager.isDataflowChanged(dataflow));
+	}
+
+	@Test
+	public void isListed() throws Exception {
+		assertTrue("Non-empty set of open data flows", fileManager
+				.getOpenDataflows().isEmpty());
+		WorkflowBundle dataflow = openDataflow();
+		assertEquals("Unexpected list of open dataflows", Arrays
+				.asList(dataflow), fileManager.getOpenDataflows());
+	}
+
+	/**
+	 * Always uses a <strong>new</strong> file manager instead of the instance
+	 * one from {@link FileManager#getInstance()}.
+	 *
+	 * @see #getFileManagerInstance()
+	 *
+	 */
+	@Before
+	public void makeFileManager() {
+		System.setProperty("java.awt.headless", "true");
+		editManager = new EditManagerImpl();
+		fileManager = new FileManagerImpl(editManager);
+		fileManagerObserver = new FileManagerObserver();
+		fileManager.addObserver(fileManagerObserver);
+		WorkflowBundleIO workflowBundleIO = new WorkflowBundleIO();
+		workflowBundleIO.setReaders(Arrays.<WorkflowBundleReader>asList(new RDFXMLReader(), new T2FlowReader()));
+		workflowBundleIO.setWriters(Arrays.<WorkflowBundleWriter>asList(new RDFXMLWriter()));
+		T2DataflowOpener t2DataflowOpener = new T2DataflowOpener();
+		t2DataflowOpener.setWorkflowBundleIO(workflowBundleIO);
+		WorkflowBundleOpener workflowBundleOpener = new WorkflowBundleOpener();
+		workflowBundleOpener.setWorkflowBundleIO(workflowBundleIO);
+		WorkflowBundleSaver workflowBundleSaver = new WorkflowBundleSaver();
+		workflowBundleSaver.setWorkflowBundleIO(workflowBundleIO);
+		DataflowPersistenceHandlerRegistry dataflowPersistenceHandlerRegistry = new DataflowPersistenceHandlerRegistry();
+		dataflowPersistenceHandlerRegistry.setDataflowPersistenceHandlers(Arrays.asList(
+				new DataflowPersistenceHandler[] {t2DataflowOpener, workflowBundleOpener, workflowBundleSaver}));
+		dataflowPersistenceHandlerRegistry.updateColletions();
+		fileManager.setDataflowPersistenceHandlerRegistry(dataflowPersistenceHandlerRegistry);
+	}
+
+	@Test
+	public void open() throws Exception {
+		assertTrue("ModelMapObserver already contained messages",
+				fileManagerObserver.messages.isEmpty());
+		WorkflowBundle dataflow = openDataflow();
+		assertNotNull("Dataflow was not loaded", dataflow);
+		assertEquals("Loaded dataflow was not set as current dataflow",
+				dataflow, fileManager.getCurrentDataflow());
+		assertFalse("ModelMapObserver did not contain message",
+				fileManagerObserver.messages.isEmpty());
+		assertEquals("ModelMapObserver contained unexpected messages", 2,
+				fileManagerObserver.messages.size());
+		FileManagerEvent event = fileManagerObserver.messages.get(0);
+		assertTrue(event instanceof SetCurrentDataflowEvent);
+		assertEquals(dataflow, ((SetCurrentDataflowEvent) event).getDataflow());
+	}
+
+	@Test
+	public void openSilently() throws Exception {
+		assertTrue("ModelMapObserver already contained messages",
+				fileManagerObserver.messages.isEmpty());
+		URL url = getClass().getResource(DUMMY_WORKFLOW_T2FLOW);
+		DataflowInfo info = fileManager.openDataflowSilently(T2_FLOW_FILE_TYPE, url);
+
+		WorkflowBundle dataflow = info.getDataflow();
+		assertNotNull("Dataflow was not loaded", dataflow);
+
+		assertNotSame("Loaded dataflow was set as current dataflow",
+				dataflow, fileManager.getCurrentDataflow());
+		assertTrue("ModelMapObserver contained unexpected messages",
+				fileManagerObserver.messages.isEmpty());
+	}
+
+	@Test
+	public void canSaveDataflow() throws Exception {
+		WorkflowBundle savedDataflow = openDataflow();
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.deleteOnExit();
+		dataflowFile.delete();
+		fileManager.saveDataflow(savedDataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, true);
+		assertTrue(fileManager.canSaveWithoutDestination(savedDataflow));
+		fileManager.saveDataflow(savedDataflow, true);
+		fileManager.closeDataflow(savedDataflow, true);
+
+		WorkflowBundle otherFlow = fileManager.openDataflow(WF_BUNDLE_FILE_TYPE, dataflowFile.toURI()
+				.toURL());
+		assertTrue(fileManager.canSaveWithoutDestination(otherFlow));
+	}
+
+	@Test
+	public void save() throws Exception {
+		WorkflowBundle savedDataflow = openDataflow();
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.deleteOnExit();
+		dataflowFile.delete();
+		assertFalse("File should not exist", dataflowFile.isFile());
+		fileManager.saveDataflow(savedDataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, false);
+		assertTrue("File should exist", dataflowFile.isFile());
+		WorkflowBundle loadedDataflow = fileManager.openDataflow(WF_BUNDLE_FILE_TYPE, dataflowFile.toURI()
+				.toURL());
+		assertNotSame("Dataflow was not reopened", savedDataflow,
+				loadedDataflow);
+		assertEquals("Unexpected number of processors in saved dataflow", 1,
+				savedDataflow.getMainWorkflow().getProcessors().size());
+		assertEquals("Unexpected number of processors in loaded dataflow", 1,
+				loadedDataflow.getMainWorkflow().getProcessors().size());
+
+		Processor savedProcessor = savedDataflow.getMainWorkflow().getProcessors().first();
+		Processor loadedProcessor = loadedDataflow.getMainWorkflow().getProcessors().first();
+		assertEquals("Loaded processor had wrong name", savedProcessor
+				.getName(), loadedProcessor.getName());
+
+		// TODO convert to scufl2
+//		BeanshellActivity savedActivity = (BeanshellActivity) savedProcessor
+//				.getActivityList().get(0);
+//		BeanshellActivity loadedActivity = (BeanshellActivity) loadedProcessor
+//				.getActivityList().get(0);
+//		String savedScript = savedActivity.getConfiguration().getScript();
+//		String loadedScript = loadedActivity.getConfiguration().getScript();
+//		assertEquals("Unexpected saved script",
+//				"String output = input + \"XXX\";", savedScript);
+//		assertEquals("Loaded script did not matched saved script", savedScript,
+//				loadedScript);
+	}
+
+	@Test
+	public void saveSilent() throws Exception {
+		assertTrue("ModelMapObserver contained unexpected messages",
+				fileManagerObserver.messages.isEmpty());
+
+		URL url = getClass().getResource(DUMMY_WORKFLOW_T2FLOW);
+		DataflowInfo info = fileManager.openDataflowSilently(T2_FLOW_FILE_TYPE, url);
+		WorkflowBundle dataflow = info.getDataflow();
+		assertTrue("ModelMapObserver contained unexpected messages",
+				fileManagerObserver.messages.isEmpty());
+
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.deleteOnExit();
+		dataflowFile.delete();
+		assertFalse("File should not exist", dataflowFile.isFile());
+
+		fileManager.saveDataflowSilently(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, false);
+		assertTrue("File should exist", dataflowFile.isFile());
+
+		assertTrue("ModelMapObserver contained unexpected messages",
+				fileManagerObserver.messages.isEmpty());
+
+	}
+
+	@Test
+	public void saveOverwriteAgain() throws Exception {
+		WorkflowBundle dataflow = openDataflow();
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.delete();
+		dataflowFile.deleteOnExit();
+		// File did NOT exist, should not fail
+		fileManager.saveDataflow(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, true);
+
+		Processor processor = dataflow.getMainWorkflow().getProcessors().first();
+		Edit<Processor> renameEdit = new RenameEdit<Processor>(processor,
+				processor.getName() + "-changed");
+		editManager.doDataflowEdit(dataflow, renameEdit);
+
+		// Last save was OURs, so should *not* fail - even if we now use
+		// the specific saveDataflow() method
+		fileManager.saveDataflow(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, true);
+
+		//Thread.sleep(1500);
+		WorkflowBundle otherFlow = openDataflow();
+		// Saving another flow to same file should still fail
+		try {
+			fileManager.saveDataflow(otherFlow,WF_BUNDLE_FILE_TYPE, dataflowFile, true);
+			fail("Should have thrown OverwriteException");
+		} catch (OverwriteException ex) {
+			// Expected
+		}
+	}
+
+	@Test(expected = OverwriteException.class)
+	public void saveOverwriteWarningFails() throws Exception {
+		WorkflowBundle dataflow = openDataflow();
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.deleteOnExit();
+		// Should fail as file already exists
+		fileManager.saveDataflow(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, true);
+	}
+
+	@Test
+	public void saveOverwriteWarningWorks() throws Exception {
+		WorkflowBundle dataflow = openDataflow();
+		File dataflowFile = File.createTempFile("test", ".t2flow");
+		dataflowFile.delete();
+		dataflowFile.deleteOnExit();
+		// File did NOT exist, should not fail
+		fileManager.saveDataflow(dataflow, WF_BUNDLE_FILE_TYPE, dataflowFile, true);
+	}
+
+	@After
+	public void stopListeningToModelMap() {
+		fileManager.removeObserver(fileManagerObserver);
+	}
+
+	protected WorkflowBundle openDataflow() throws OpenException {
+		URL url = getClass().getResource(DUMMY_WORKFLOW_T2FLOW);
+		assertNotNull(url);
+		WorkflowBundle dataflow = fileManager.openDataflow(T2_FLOW_FILE_TYPE, url);
+		assertNotNull(dataflow);
+		return dataflow;
+	}
+
+	private final class FileManagerObserver implements Observer<FileManagerEvent> {
+		protected List<FileManagerEvent> messages = new ArrayList<FileManagerEvent>();
+
+		@Override
+		public void notify(Observable<FileManagerEvent> sender, FileManagerEvent message) throws Exception {
+			messages.add(message);
+			if (message instanceof SetCurrentDataflowEvent) {
+				assertTrue("Dataflow was not listed as open when set current",
+						fileManager.getOpenDataflows().contains(
+								((SetCurrentDataflowEvent) message).getDataflow()));
+			}
+		}
+	}
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-file-impl/src/test/resources/net/sf/taverna/t2/workbench/file/impl/dummy-workflow.t2flow
----------------------------------------------------------------------
diff --git a/taverna-workbench-file-impl/src/test/resources/net/sf/taverna/t2/workbench/file/impl/dummy-workflow.t2flow b/taverna-workbench-file-impl/src/test/resources/net/sf/taverna/t2/workbench/file/impl/dummy-workflow.t2flow
new file mode 100644
index 0000000..b9a1075
--- /dev/null
+++ b/taverna-workbench-file-impl/src/test/resources/net/sf/taverna/t2/workbench/file/impl/dummy-workflow.t2flow
@@ -0,0 +1,157 @@
+<workflow xmlns="http://taverna.sf.net/2008/xml/t2flow" version="1" producedBy="test">
+	<dataflow id="ec0991ba-275c-49ed-b1d6-38534180fb7c" role="top">
+		<name>simple_workflow_with_input</name>
+		<inputPorts>
+			<port>
+				<name>input</name>
+				<depth>0</depth>
+				<granularDepth>0</granularDepth>
+			</port>
+		</inputPorts>
+		<outputPorts>
+			<port>
+				<name>output</name>
+			</port>
+		</outputPorts>
+		<processors>
+			<processor>
+				<name>Concat_XXX</name>
+				<inputPorts>
+					<port>
+						<name>input</name>
+						<depth>0</depth>
+					</port>
+				</inputPorts>
+				<outputPorts>
+					<port>
+						<name>output</name>
+						<depth>0</depth>
+						<granularDepth>0</granularDepth>
+					</port>
+				</outputPorts>
+				<annotations />
+				<activities>
+					<activity>
+						<class>
+							net.sf.taverna.t2.activities.beanshell.BeanshellActivity
+						</class>
+						<inputMap>
+							<map from="input" to="input" />
+						</inputMap>
+						<outputMap>
+							<map from="output" to="output" />
+						</outputMap>
+						<configBean encoding="xstream">
+							<net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean
+								xmlns="">
+								<script>String output = input + "XXX";</script>
+								<dependencies />
+								<inputs>
+									<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
+										<handledReferenceSchemes />
+										<translatedElementType>java.lang.String</translatedElementType>
+										<allowsLiteralValues>true</allowsLiteralValues>
+										<name>input</name>
+										<depth>0</depth>
+										<mimeTypes>
+											<string>'text/plain'</string>
+										</mimeTypes>
+									</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
+								</inputs>
+								<outputs>
+									<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
+										<granularDepth>0</granularDepth>
+										<name>output</name>
+										<depth>0</depth>
+										<mimeTypes>
+											<string>'text/plain'</string>
+										</mimeTypes>
+									</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
+								</outputs>
+							</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean>
+						</configBean>
+					</activity>
+				</activities>
+				<dispatchStack>
+					<dispatchLayer>
+						<class>
+							net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize
+						</class>
+						<configBean encoding="xstream">
+							<net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig
+								xmlns="">
+								<maxJobs>1</maxJobs>
+							</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig>
+						</configBean>
+					</dispatchLayer>
+					<dispatchLayer>
+						<class>
+							net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce
+						</class>
+						<configBean encoding="xstream">
+							<null xmlns="" />
+						</configBean>
+					</dispatchLayer>
+					<dispatchLayer>
+						<class>
+							net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover
+						</class>
+						<configBean encoding="xstream">
+							<null xmlns="" />
+						</configBean>
+					</dispatchLayer>
+					<dispatchLayer>
+						<class>
+							net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry
+						</class>
+						<configBean encoding="xstream">
+							<net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig
+								xmlns="">
+								<backoffFactor>1.0</backoffFactor>
+								<initialDelay>0</initialDelay>
+								<maxDelay>0</maxDelay>
+								<maxRetries>0</maxRetries>
+							</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig>
+						</configBean>
+					</dispatchLayer>
+					<dispatchLayer>
+						<class>
+							net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke
+						</class>
+						<configBean encoding="xstream">
+							<null xmlns="" />
+						</configBean>
+					</dispatchLayer>
+				</dispatchStack>
+				<iterationStrategyStack>
+					<iteration>
+						<strategy>
+							<port name="input" depth="0" />
+						</strategy>
+					</iteration>
+				</iterationStrategyStack>
+			</processor>
+		</processors>
+		<conditions />
+		<datalinks>
+			<datalink>
+				<sink type="processor">
+					<processor>Concat_XXX</processor>
+					<port>input</port>
+				</sink>
+				<source type="dataflow">
+					<port>input</port>
+				</source>
+			</datalink>
+			<datalink>
+				<sink type="dataflow">
+					<port>output</port>
+				</sink>
+				<source type="processor">
+					<processor>Concat_XXX</processor>
+					<port>output</port>
+				</source>
+			</datalink>
+		</datalinks>
+	</dataflow>
+</workflow>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-helper/pom.xml
----------------------------------------------------------------------
diff --git a/taverna-workbench-helper/pom.xml b/taverna-workbench-helper/pom.xml
new file mode 100644
index 0000000..70c0621
--- /dev/null
+++ b/taverna-workbench-helper/pom.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>net.sf.taverna.t2</groupId>
+		<artifactId>ui-impl</artifactId>
+		<version>2.0-SNAPSHOT</version>
+	</parent>
+	<groupId>net.sf.taverna.t2.ui-impl</groupId>
+	<artifactId>helper</artifactId>
+	<name>Help System (legacy dependency)</name>
+	<dependencies>
+		<dependency>
+            <groupId>net.sf.taverna.t2.ui-api</groupId>
+            <artifactId>helper-api</artifactId>
+            <version>${t2.ui.api.version}</version>
+		</dependency>
+	</dependencies>
+</project>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-httpproxy-config/pom.xml
----------------------------------------------------------------------
diff --git a/taverna-workbench-httpproxy-config/pom.xml b/taverna-workbench-httpproxy-config/pom.xml
new file mode 100644
index 0000000..f1a8328
--- /dev/null
+++ b/taverna-workbench-httpproxy-config/pom.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>net.sf.taverna.t2</groupId>
+		<artifactId>ui-impl</artifactId>
+		<version>2.0-SNAPSHOT</version>
+	</parent>
+	<groupId>net.sf.taverna.t2.ui-impl</groupId>
+	<artifactId>httpproxy-config</artifactId>
+	<packaging>bundle</packaging>
+	<name>HTTP Proxy configuration</name>
+	<dependencies>
+		<dependency>
+			<groupId>net.sf.taverna.t2.lang</groupId>
+			<artifactId>ui</artifactId>
+			<version>${t2.lang.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>uk.org.taverna.configuration</groupId>
+			<artifactId>taverna-configuration-api</artifactId>
+			<version>${taverna.configuration.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>net.sf.taverna.t2.ui-api</groupId>
+			<artifactId>helper-api</artifactId>
+			<version>${t2.ui.api.version}</version>
+		</dependency>
+ 	</dependencies>
+</project>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-workbench/blob/72850d5a/taverna-workbench-httpproxy-config/src/main/java/net/sf/taverna/t2/workbench/httpproxy/config/HttpProxyConfigurationPanel.java
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diff --git a/taverna-workbench-httpproxy-config/src/main/java/net/sf/taverna/t2/workbench/httpproxy/config/HttpProxyConfigurationPanel.java b/taverna-workbench-httpproxy-config/src/main/java/net/sf/taverna/t2/workbench/httpproxy/config/HttpProxyConfigurationPanel.java
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+++ b/taverna-workbench-httpproxy-config/src/main/java/net/sf/taverna/t2/workbench/httpproxy/config/HttpProxyConfigurationPanel.java
@@ -0,0 +1,582 @@
+/*******************************************************************************
+ * Copyright (C) 2007 The University of Manchester
+ *
+ *  Modifications to the initial code base are copyright of their
+ *  respective authors, or their employers as appropriate.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ ******************************************************************************/
+package net.sf.taverna.t2.workbench.httpproxy.config;
+
+import static java.awt.GridBagConstraints.BOTH;
+import static java.awt.GridBagConstraints.CENTER;
+import static java.awt.GridBagConstraints.HORIZONTAL;
+import static java.awt.GridBagConstraints.NONE;
+import static java.awt.GridBagConstraints.WEST;
+import static javax.swing.JOptionPane.showMessageDialog;
+import static javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
+import static javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
+import static net.sf.taverna.t2.workbench.helper.Helper.showHelp;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.PROXY_USE_OPTION;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.SYSTEM_NON_PROXY_HOSTS;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.SYSTEM_PROXY_HOST;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.SYSTEM_PROXY_PASSWORD;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.SYSTEM_PROXY_PORT;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.SYSTEM_PROXY_USER;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.TAVERNA_NON_PROXY_HOSTS;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.TAVERNA_PROXY_HOST;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.TAVERNA_PROXY_PASSWORD;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.TAVERNA_PROXY_PORT;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.TAVERNA_PROXY_USER;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.USE_NO_PROXY_OPTION;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.USE_SPECIFIED_VALUES_OPTION;
+import static uk.org.taverna.configuration.proxy.HttpProxyConfiguration.USE_SYSTEM_PROPERTIES_OPTION;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.AbstractAction;
+import javax.swing.ButtonGroup;
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+import javax.swing.border.EmptyBorder;
+
+import net.sf.taverna.t2.lang.ui.DialogTextArea;
+import uk.org.taverna.configuration.proxy.HttpProxyConfiguration;
+
+/**
+ * The HttpProxyConfigurationPanel provides the user interface to a
+ * {@link HttpProxyConfiguration} to determine how HTTP Connections are made by
+ * Taverna.
+ * 
+ * @author alanrw
+ * @author David Withers
+ */
+public class HttpProxyConfigurationPanel extends JPanel {
+	static final long serialVersionUID = 3668473431971125038L;
+	/**
+	 * The size of the field for the JTextFields.
+	 */
+	private static int TEXTFIELD_SIZE = 25;
+
+	private final HttpProxyConfiguration httpProxyConfiguration;
+	/**
+	 * RadioButtons that are in a common ButtonGroup. Selecting one of them
+	 * indicates whether the system http proxy settings, the ad hoc specified
+	 * values or no proxy settings at all should be used.
+	 */
+	private JRadioButton useSystemProperties;
+	private JRadioButton useSpecifiedValues;
+	private JRadioButton useNoProxy;
+	/**
+	 * JTextFields and one DialogTextArea to hold the settings for the HTTP
+	 * proxy properties. The values are only editable if the user picks
+	 * useSpecifiedValues.
+	 */
+	private JTextField proxyHostField;
+	private JTextField proxyPortField;
+	private JTextField proxyUserField;
+	private JTextField proxyPasswordField;
+	private DialogTextArea nonProxyHostsArea;
+	private JScrollPane nonProxyScrollPane;
+	/**
+	 * A string that indicates which HTTP setting option the user has currently
+	 * picked. This does not necesarily match that which has been applied.
+	 */
+	private String shownOption = USE_SYSTEM_PROPERTIES_OPTION;
+
+	/**
+	 * The HttpProxyConfigurationPanel consists of a set of properties where the
+	 * configuration values for HTTP can be specified and a set of buttons where
+	 * the more general apply, help etc. appear.
+	 */
+	public HttpProxyConfigurationPanel(
+			HttpProxyConfiguration httpProxyConfiguration) {
+		this.httpProxyConfiguration = httpProxyConfiguration;
+		initComponents();
+	}
+
+	/**
+	 * Populates the panel with a representation of the current HTTP proxy
+	 * settings for the specified {@link HttpProxyConfiguration} and also the
+	 * capability to alter them.
+	 */
+	private void initComponents() {
+		shownOption = httpProxyConfiguration.getProperty(PROXY_USE_OPTION);
+
+		this.setLayout(new GridBagLayout());
+
+		GridBagConstraints gbc = new GridBagConstraints();
+
+		// Title describing what kind of settings we are configuring here
+		JTextArea descriptionText = new JTextArea("HTTP proxy configuration");
+		descriptionText.setLineWrap(true);
+		descriptionText.setWrapStyleWord(true);
+		descriptionText.setEditable(false);
+		descriptionText.setFocusable(false);
+		descriptionText.setBorder(new EmptyBorder(10, 10, 10, 10));
+		gbc.anchor = WEST;
+		gbc.gridx = 0;
+		gbc.gridy = 0;
+		gbc.gridwidth = 2;
+		gbc.weightx = 1.0;
+		gbc.weighty = 0.0;
+		gbc.fill = HORIZONTAL;
+		this.add(descriptionText, gbc);
+
+		/**
+		 * Generate the three radio buttons and put them in a group. Each button
+		 * is bound to an action that alters the shownOption and re-populates
+		 * the shown HTTP property fields.
+		 */
+		useNoProxy = new JRadioButton("Do not use a proxy");
+		useNoProxy.setAlignmentX(LEFT_ALIGNMENT);
+		gbc.gridx = 0;
+		gbc.gridy = 1;
+		gbc.gridwidth = 2;
+		gbc.weightx = 0.0;
+		gbc.weighty = 0.0;
+		gbc.fill = NONE;
+		gbc.insets = new Insets(10, 0, 0, 0);
+		this.add(useNoProxy, gbc);
+		ActionListener useNoProxyListener = new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent arg0) {
+				shownOption = USE_NO_PROXY_OPTION;
+				populateFields();
+			}
+		};
+		useNoProxy.addActionListener(useNoProxyListener);
+
+		useSystemProperties = new JRadioButton("Use system properties");
+		useSystemProperties.setAlignmentX(LEFT_ALIGNMENT);
+		gbc.gridx = 0;
+		gbc.gridy = 2;
+		gbc.insets = new Insets(0, 0, 0, 0);
+		this.add(useSystemProperties, gbc);
+		ActionListener systemPropertiesListener = new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent arg0) {
+				shownOption = USE_SYSTEM_PROPERTIES_OPTION;
+				populateFields();
+			}
+		};
+		useSystemProperties.addActionListener(systemPropertiesListener);
+
+		useSpecifiedValues = new JRadioButton("Use specified values");
+		useSpecifiedValues.setAlignmentX(LEFT_ALIGNMENT);
+		gbc.gridx = 0;
+		gbc.gridy = 3;
+		this.add(useSpecifiedValues, gbc);
+		ActionListener specifiedValuesListener = new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent arg0) {
+				shownOption = USE_SPECIFIED_VALUES_OPTION;
+				populateFields();
+			}
+		};
+		useSpecifiedValues.addActionListener(specifiedValuesListener);
+
+		ButtonGroup bg = new ButtonGroup();
+		bg.add(useSystemProperties);
+		bg.add(useSpecifiedValues);
+		bg.add(useNoProxy);
+
+		/**
+		 * Create the fields to show the HTTP proxy property values. These
+		 * become editable if the shown option is to use specified values.
+		 */
+		proxyHostField = new JTextField(TEXTFIELD_SIZE);
+		gbc.gridx = 0;
+		gbc.gridy = 4;
+		gbc.gridwidth = 1;
+		gbc.fill = NONE;
+		gbc.insets = new Insets(10, 0, 0, 0);
+		this.add(new JLabel("Proxy host"), gbc);
+		gbc.gridx = 1;
+		gbc.gridy = 4;
+		gbc.gridwidth = 1;
+		gbc.fill = HORIZONTAL;
+		this.add(proxyHostField, gbc);
+
+		proxyPortField = new JTextField(TEXTFIELD_SIZE);
+		gbc.gridx = 0;
+		gbc.gridy = 5;
+		gbc.gridwidth = 1;
+		gbc.fill = NONE;
+		gbc.insets = new Insets(0, 0, 0, 0);
+		this.add(new JLabel("Proxy port"), gbc);
+		gbc.gridx = 1;
+		gbc.gridy = 5;
+		gbc.gridwidth = 1;
+		gbc.fill = HORIZONTAL;
+		this.add(proxyPortField, gbc);
+
+		proxyUserField = new JTextField(TEXTFIELD_SIZE);
+		gbc.gridx = 0;
+		gbc.gridy = 6;
+		gbc.gridwidth = 1;
+		gbc.fill = NONE;
+		this.add(new JLabel("Proxy user"), gbc);
+		gbc.gridx = 1;
+		gbc.gridy = 6;
+		gbc.gridwidth = 1;
+		gbc.fill = HORIZONTAL;
+		this.add(proxyUserField, gbc);
+
+		proxyPasswordField = new JTextField(TEXTFIELD_SIZE);
+		gbc.gridx = 0;
+		gbc.gridy = 7;
+		gbc.gridwidth = 1;
+		gbc.fill = NONE;
+		this.add(new JLabel("Proxy password"), gbc);
+		gbc.gridx = 1;
+		gbc.gridy = 7;
+		gbc.gridwidth = 1;
+		gbc.fill = HORIZONTAL;
+		this.add(proxyPasswordField, gbc);
+
+		nonProxyHostsArea = new DialogTextArea(10, 40);
+		nonProxyScrollPane = new JScrollPane(nonProxyHostsArea);
+		nonProxyScrollPane
+				.setHorizontalScrollBarPolicy(HORIZONTAL_SCROLLBAR_AS_NEEDED);
+		nonProxyScrollPane
+				.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_AS_NEEDED);
+		// nonProxyScrollPane.setPreferredSize(new Dimension(300, 500));
+		gbc.gridx = 0;
+		gbc.gridy = 8;
+		gbc.gridwidth = 2;
+		gbc.fill = NONE;
+		gbc.insets = new Insets(10, 0, 0, 0);
+		this.add(new JLabel("Non-proxy hosts"), gbc);
+		gbc.gridx = 0;
+		gbc.gridy = 9;
+		gbc.weightx = 1.0;
+		gbc.weighty = 1.0;
+		gbc.gridwidth = 2;
+		gbc.insets = new Insets(0, 0, 0, 0);
+		gbc.fill = BOTH;
+		this.add(nonProxyScrollPane, gbc);
+
+		// Add buttons panel
+		gbc.gridx = 0;
+		gbc.gridy = 10;
+		gbc.weightx = 0.0;
+		gbc.weighty = 0.0;
+		gbc.gridwidth = 2;
+		gbc.fill = HORIZONTAL;
+		gbc.anchor = CENTER;
+		gbc.insets = new Insets(10, 0, 0, 0);
+		this.add(createButtonPanel(), gbc);
+
+		setFields();
+	}
+
+	/**
+	 * Populate the fields in the property panel according to which option is
+	 * being shown and the stored values within the
+	 * {@link HttpProxyConfiguration}.
+	 */
+	private void populateFields() {
+		/**
+		 * Editing of the property fields is only available when the option is
+		 * to use the specified values.
+		 */
+		boolean editingEnabled = shownOption
+				.equals(USE_SPECIFIED_VALUES_OPTION);
+
+		if (shownOption.equals(USE_SYSTEM_PROPERTIES_OPTION)) {
+			proxyHostField.setText(httpProxyConfiguration
+					.getProperty(SYSTEM_PROXY_HOST));
+			proxyPortField.setText(httpProxyConfiguration
+					.getProperty(SYSTEM_PROXY_PORT));
+			proxyUserField.setText(httpProxyConfiguration
+					.getProperty(SYSTEM_PROXY_USER));
+			proxyPasswordField.setText(httpProxyConfiguration
+					.getProperty(SYSTEM_PROXY_PASSWORD));
+			nonProxyHostsArea.setText(httpProxyConfiguration
+					.getProperty(SYSTEM_NON_PROXY_HOSTS));
+		} else if (shownOption.equals(USE_SPECIFIED_VALUES_OPTION)) {
+			proxyHostField.setText(httpProxyConfiguration
+					.getProperty(TAVERNA_PROXY_HOST));
+			proxyPortField.setText(httpProxyConfiguration
+					.getProperty(TAVERNA_PROXY_PORT));
+			proxyUserField.setText(httpProxyConfiguration
+					.getProperty(TAVERNA_PROXY_USER));
+			proxyPasswordField.setText(httpProxyConfiguration
+					.getProperty(TAVERNA_PROXY_PASSWORD));
+			nonProxyHostsArea.setText(httpProxyConfiguration
+					.getProperty(TAVERNA_NON_PROXY_HOSTS));
+		} else {
+			proxyHostField.setText(null);
+			proxyPortField.setText(null);
+			proxyUserField.setText(null);
+			proxyPasswordField.setText(null);
+			nonProxyHostsArea.setText(null);
+		}
+
+		proxyHostField.setEnabled(editingEnabled);
+		proxyPortField.setEnabled(editingEnabled);
+		proxyUserField.setEnabled(editingEnabled);
+		proxyPasswordField.setEnabled(editingEnabled);
+		nonProxyHostsArea.setEnabled(editingEnabled);
+		nonProxyHostsArea.setEditable(editingEnabled);
+		nonProxyScrollPane.setEnabled(editingEnabled);
+	}
+
+	/**
+	 * Create the panel to contain the buttons
+	 * 
+	 * @return
+	 */
+	@SuppressWarnings("serial")
+	private JPanel createButtonPanel() {
+		final JPanel panel = new JPanel();
+
+		/**
+		 * The helpButton shows help about the current component
+		 */
+		JButton helpButton = new JButton(new AbstractAction("Help") {
+			@Override
+			public void actionPerformed(ActionEvent arg0) {
+				showHelp(panel);
+			}
+		});
+		panel.add(helpButton);
+
+		/**
+		 * The resetButton changes the property values shown to those
+		 * corresponding to the configuration currently applied.
+		 */
+		JButton resetButton = new JButton(new AbstractAction("Reset") {
+			@Override
+			public void actionPerformed(ActionEvent arg0) {
+				setFields();
+			}
+		});
+		panel.add(resetButton);
+
+		/**
+		 * The applyButton applies the shown field values to the
+		 * {@link HttpProxyConfiguration} and saves them for future.
+		 */
+		JButton applyButton = new JButton(new AbstractAction("Apply") {
+			@Override
+			public void actionPerformed(ActionEvent arg0) {
+				applySettings();
+				setFields();
+			}
+		});
+		panel.add(applyButton);
+
+		return panel;
+	}
+
+	/**
+	 * Checks that the specified values for the HTTP properties are a valid
+	 * combination and, if so, saves them for future use. It does not apply them
+	 * to the currently executing Taverna.
+	 */
+	private void saveSettings() {
+		if (useSystemProperties.isSelected()) {
+			httpProxyConfiguration.setProperty(PROXY_USE_OPTION,
+					USE_SYSTEM_PROPERTIES_OPTION);
+		} else if (useNoProxy.isSelected()) {
+			httpProxyConfiguration.setProperty(PROXY_USE_OPTION,
+					USE_NO_PROXY_OPTION);
+		} else {
+			if (validateFields()) {
+				httpProxyConfiguration.setProperty(PROXY_USE_OPTION,
+						USE_SPECIFIED_VALUES_OPTION);
+				httpProxyConfiguration.setProperty(TAVERNA_PROXY_HOST,
+						proxyHostField.getText());
+				httpProxyConfiguration.setProperty(TAVERNA_PROXY_PORT,
+						proxyPortField.getText());
+				httpProxyConfiguration.setProperty(TAVERNA_PROXY_USER,
+						proxyUserField.getText());
+				httpProxyConfiguration.setProperty(TAVERNA_PROXY_PASSWORD,
+						proxyPasswordField.getText());
+				httpProxyConfiguration.setProperty(TAVERNA_NON_PROXY_HOSTS,
+						nonProxyHostsArea.getText());
+			}
+		}
+	}
+
+	/**
+	 * Validates and, where appropriate formats, the properties values specified
+	 * for HTTP Proxy configuration.
+	 * 
+	 * @return
+	 */
+	private boolean validateFields() {
+		boolean result = true;
+		result = result && validateHostField();
+		result = result && validatePortField();
+		result = result && validateUserField();
+		result = result && validatePasswordField();
+		result = result && validateNonProxyHostsArea();
+		return result;
+	}
+
+	/**
+	 * Checks that, if a value is specified for non-proxy hosts then a proxy
+	 * host has also been specified. Formats the non-proxy hosts string so that
+	 * if the user has entered the hosts on separate lines, then the stored
+	 * values are separated by bars.
+	 * 
+	 * @return
+	 */
+	private boolean validateNonProxyHostsArea() {
+		boolean result = true;
+		String value = nonProxyHostsArea.getText();
+		if ((value != null) && (!value.equals(""))) {
+			value = value.replaceAll("\\n", "|");
+			nonProxyHostsArea.setText(value);
+			result = result
+					&& dependsUpon("non-proxy host", "host",
+							proxyHostField.getText());
+		}
+		return result;
+	}
+
+	/**
+	 * Checks that, if a password has been specified, then a user has also been
+	 * specified.
+	 * 
+	 * @return
+	 */
+	private boolean validatePasswordField() {
+		boolean result = true;
+		String value = proxyPasswordField.getText();
+		if ((value != null) && !value.isEmpty())
+			result = result
+					&& dependsUpon("password", "user", proxyHostField.getText());
+		return result;
+	}
+
+	/**
+	 * Checks that if a user has been specified, then a host has also been
+	 * specified.
+	 * 
+	 * @return
+	 */
+	private boolean validateUserField() {
+		boolean result = true;
+		String value = proxyUserField.getText();
+		if ((value != null) && !value.isEmpty())
+			result = result
+					&& dependsUpon("user", "host", proxyHostField.getText());
+		return result;
+	}
+
+	/**
+	 * Checks that if a port has been specified then a host has also been
+	 * specified. Checks that the port number is a non-negative integer. If the
+	 * port has not been specified, then if a host has been specified, the
+	 * default value 80 is used.
+	 * 
+	 * @return
+	 */
+	private boolean validatePortField() {
+		boolean result = true;
+		String value = proxyPortField.getText();
+		if ((value != null) && (!value.equals(""))) {
+			result = result
+					&& dependsUpon("port", "host", proxyHostField.getText());
+			try {
+				int parsedNumber = Integer.parseInt(value);
+				if (parsedNumber <= 0) {
+					showMessageDialog(this, "The port must be non-negative");
+					result = false;
+				}
+			} catch (NumberFormatException e) {
+				showMessageDialog(this, "The port must be an integer");
+				result = false;
+			}
+		} else {
+			String hostField = proxyHostField.getText();
+			if ((hostField != null) && !hostField.isEmpty())
+				proxyPortField.setText("80");
+		}
+		return result;
+	}
+
+	/**
+	 * Checks if the targetValue has been specified. If not then a message is
+	 * displayed indicating that the dependent cannot be specified with the
+	 * target.
+	 * 
+	 * @param dependent
+	 * @param target
+	 * @param targetValue
+	 * @return
+	 */
+	private boolean dependsUpon(String dependent, String target,
+			String targetValue) {
+		boolean result = true;
+		if ((targetValue == null) || target.equals("")) {
+			showMessageDialog(this, "A " + dependent
+					+ " cannot be specified without a " + target);
+			result = false;
+		}
+		return result;
+	}
+
+	/**
+	 * Could validate the host field e.g. by establishing a connection.
+	 * Currently no validation is done.
+	 * 
+	 * @return
+	 */
+	private boolean validateHostField() {
+		boolean result = true;
+		// String value = proxyHostField.getText();
+		return result;
+	}
+
+	/**
+	 * Save the currently set field values (if valid) to the
+	 * {@link HttpProxyConfiguration}. Also applies those values to the
+	 * currently running Taverna.
+	 */
+	private void applySettings() {
+		if (validateFields()) {
+			saveSettings();
+			httpProxyConfiguration.changeProxySettings();
+		}
+	}
+
+	/**
+	 * Set the shown field values to those currently in use (i.e. last saved
+	 * configuration).
+	 */
+	private void setFields() {
+		shownOption = httpProxyConfiguration.getProperty(PROXY_USE_OPTION);
+		useSystemProperties.setSelected(shownOption
+				.equals(USE_SYSTEM_PROPERTIES_OPTION));
+		useSpecifiedValues.setSelected(shownOption
+				.equals(USE_SPECIFIED_VALUES_OPTION));
+		useNoProxy.setSelected(shownOption.equals(USE_NO_PROXY_OPTION));
+		populateFields();
+	}
+}