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Posted to commits@flex.apache.org by ah...@apache.org on 2016/09/07 22:33:58 UTC
[23/50] git commit: [flex-asjs] [refs/heads/master] - Added a new
itemRenderer factory that extends EventDispatcher,
allowing custom itemRenderers to intercept events from the itemRenderers and
forward them.
Added a new itemRenderer factory that extends EventDispatcher, allowing custom itemRenderers to intercept events from the itemRenderers and forward them.
Project: http://git-wip-us.apache.org/repos/asf/flex-asjs/repo
Commit: http://git-wip-us.apache.org/repos/asf/flex-asjs/commit/eb11ac15
Tree: http://git-wip-us.apache.org/repos/asf/flex-asjs/tree/eb11ac15
Diff: http://git-wip-us.apache.org/repos/asf/flex-asjs/diff/eb11ac15
Branch: refs/heads/master
Commit: eb11ac158183a3ee41e90a1f5ef0a027a5f8894f
Parents: 022fcd0
Author: Peter Ent <pe...@apache.org>
Authored: Fri Aug 5 13:17:16 2016 -0400
Committer: Peter Ent <pe...@apache.org>
Committed: Fri Aug 5 13:17:16 2016 -0400
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.../projects/HTML/src/main/flex/HTMLClasses.as | 1 +
...ererFactoryAndEventDispatcherForArrayData.as | 191 +++++++++++++++++++
2 files changed, 192 insertions(+)
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http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/eb11ac15/frameworks/projects/HTML/src/main/flex/HTMLClasses.as
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diff --git a/frameworks/projects/HTML/src/main/flex/HTMLClasses.as b/frameworks/projects/HTML/src/main/flex/HTMLClasses.as
index 51b5e48..f5c0f41 100644
--- a/frameworks/projects/HTML/src/main/flex/HTMLClasses.as
+++ b/frameworks/projects/HTML/src/main/flex/HTMLClasses.as
@@ -144,6 +144,7 @@ internal class HTMLClasses
import org.apache.flex.html.beads.TextItemRendererFactoryForArrayData; TextItemRendererFactoryForArrayData;
import org.apache.flex.html.beads.DataItemRendererFactoryForArrayData; DataItemRendererFactoryForArrayData;
import org.apache.flex.html.beads.DataItemRendererFactoryForArrayList; DataItemRendererFactoryForArrayList;
+ import org.apache.flex.html.beads.DataItemRendererFactoryAndEventDispatcherForArrayData; DataItemRendererFactoryAndEventDispatcherForArrayData;
import org.apache.flex.html.beads.DataItemRendererFactoryForHierarchicalData; DataItemRendererFactoryForHierarchicalData;
import org.apache.flex.html.supportClasses.DataGroup; DataGroup;
import org.apache.flex.html.supportClasses.Viewport; Viewport;
http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/eb11ac15/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataItemRendererFactoryAndEventDispatcherForArrayData.as
----------------------------------------------------------------------
diff --git a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataItemRendererFactoryAndEventDispatcherForArrayData.as b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataItemRendererFactoryAndEventDispatcherForArrayData.as
new file mode 100644
index 0000000..3c55c60
--- /dev/null
+++ b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataItemRendererFactoryAndEventDispatcherForArrayData.as
@@ -0,0 +1,191 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////////
+package org.apache.flex.html.beads
+{
+ import org.apache.flex.core.IBead;
+ import org.apache.flex.core.IDataProviderItemRendererMapper;
+ import org.apache.flex.core.IItemRendererClassFactory;
+ import org.apache.flex.core.IItemRendererParent;
+ import org.apache.flex.core.IListPresentationModel;
+ import org.apache.flex.core.ISelectableItemRenderer;
+ import org.apache.flex.core.ISelectionModel;
+ import org.apache.flex.core.IStrand;
+ import org.apache.flex.core.IUIBase;
+ import org.apache.flex.core.SimpleCSSStyles;
+ import org.apache.flex.core.UIBase;
+ import org.apache.flex.core.ValuesManager;
+ import org.apache.flex.events.Event;
+ import org.apache.flex.events.EventDispatcher;
+ import org.apache.flex.events.IEventDispatcher;
+ import org.apache.flex.html.List;
+
+ /**
+ * The DataItemRendererFactoryAndEventDispatcherForArrayData class reads an
+ * array of data and creates an item renderer for every
+ * item in the array. As each itemRenderer is created, a function is called
+ * that can be overridden in a subclass. Other implementations of
+ * IDataProviderItemRendererMapper map different data
+ * structures or manage a virtual set of renderers.
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion FlexJS 0.0
+ */
+ public class DataItemRendererFactoryAndEventDispatcherForArrayData extends EventDispatcher implements IBead, IDataProviderItemRendererMapper
+ {
+ /**
+ * Constructor.
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion FlexJS 0.0
+ */
+ public function DataItemRendererFactoryAndEventDispatcherForArrayData()
+ {
+ super()
+ }
+
+ private var selectionModel:ISelectionModel;
+
+ private var labelField:String;
+
+ private var _strand:IStrand;
+
+ /**
+ * @copy org.apache.flex.core.IBead#strand
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion FlexJS 0.0
+ */
+ public function set strand(value:IStrand):void
+ {
+ _strand = value;
+ var listView:IListView = _strand.getBeadByType(IListView) as IListView;
+ if (listView == null) {
+ IEventDispatcher(_strand).addEventListener("viewChanged", completeSetup);
+ }
+ else {
+ completeSetup(null);
+ }
+ }
+
+ private function completeSetup(event:Event):void
+ {
+ selectionModel = _strand.getBeadByType(ISelectionModel) as ISelectionModel;
+ var listView:IListView = _strand.getBeadByType(IListView) as IListView;
+ dataGroup = listView.dataGroup;
+ selectionModel.addEventListener("dataProviderChanged", dataProviderChangeHandler);
+
+ labelField = (listView.host as List).labelField;
+
+ if (!itemRendererFactory)
+ {
+ _itemRendererFactory = new (ValuesManager.valuesImpl.getValue(_strand, "iItemRendererClassFactory")) as IItemRendererClassFactory;
+ _strand.addBead(_itemRendererFactory);
+ }
+
+ dataProviderChangeHandler(null);
+ }
+
+ private var _itemRendererFactory:IItemRendererClassFactory;
+
+ /**
+ * The org.apache.flex.core.IItemRendererClassFactory used
+ * to generate instances of item renderers.
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion FlexJS 0.0
+ */
+ public function get itemRendererFactory():IItemRendererClassFactory
+ {
+ return _itemRendererFactory;
+ }
+
+ /**
+ * @private
+ */
+ public function set itemRendererFactory(value:IItemRendererClassFactory):void
+ {
+ _itemRendererFactory = value;
+ }
+
+ /**
+ * The org.apache.flex.core.IItemRendererParent that will
+ * parent the item renderers.
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion FlexJS 0.0
+ */
+ protected var dataGroup:IItemRendererParent;
+
+ private function dataProviderChangeHandler(event:Event):void
+ {
+ var dp:Array = selectionModel.dataProvider as Array;
+ if (!dp)
+ return;
+
+ dataGroup.removeAllElements();
+
+ var listView:IListView = _strand.getBeadByType(IListView) as IListView;
+ var presentationModel:IListPresentationModel = _strand.getBeadByType(IListPresentationModel) as IListPresentationModel;
+
+ var n:int = dp.length;
+ for (var i:int = 0; i < n; i++)
+ {
+ var ir:ISelectableItemRenderer = itemRendererFactory.createItemRenderer(dataGroup) as ISelectableItemRenderer;
+ ir.index = i;
+ ir.labelField = labelField;
+ if (presentationModel) {
+ var style:SimpleCSSStyles = new SimpleCSSStyles();
+ style.marginBottom = presentationModel.separatorThickness;
+ UIBase(ir).style = style;
+ UIBase(ir).height = presentationModel.rowHeight;
+ }
+ dataGroup.addElement(ir);
+ ir.data = dp[i];
+
+ itemRendererCreated(ir);
+ }
+
+ IEventDispatcher(_strand).dispatchEvent(new Event("itemsCreated"));
+ }
+
+ /**
+ * Override this function in a subclass to hook event listeners or other features into
+ * the itemRenderer when it has been created and set.
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion FlexJS 0.0
+ */
+ protected function itemRendererCreated(ir:ISelectableItemRenderer):void
+ {
+ // do something with this in a subclass
+ }
+ }
+}