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Posted to cvs@cocoon.apache.org by gi...@apache.org on 2005/03/22 20:11:01 UTC

svn commit: r158639 - in cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms: Constants.java datatype/EnumSelectionList.java datatype/FlowJXPathSelectionList.java datatype/FlowJXPathSelectionListBuilder.java

Author: giacomo
Date: Tue Mar 22 11:10:59 2005
New Revision: 158639

URL: http://svn.apache.org/viewcvs?view=rev&rev=158639
Log:
added features to the flow-jxpath selection list type

Modified:
    cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/Constants.java
    cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/EnumSelectionList.java
    cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionList.java
    cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionListBuilder.java

Modified: cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/Constants.java
URL: http://svn.apache.org/viewcvs/cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/Constants.java?view=diff&r1=158638&r2=158639
==============================================================================
--- cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/Constants.java (original)
+++ cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/Constants.java Tue Mar 22 11:10:59 2005
@@ -49,5 +49,8 @@
 
     /** I18n catalogue containing the built-in messages. */
     public static final String I18N_CATALOGUE = "forms";
+    public static final String I18N_NS = "http://apache.org/cocoon/i18n/2.1";
+    public static final String I18N_PREFIX = "i18n";
+    public static final String I18N_PREFIX_COLON = "i18n:";
 
 }

Modified: cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/EnumSelectionList.java
URL: http://svn.apache.org/viewcvs/cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/EnumSelectionList.java?view=diff&r1=158638&r2=158639
==============================================================================
--- cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/EnumSelectionList.java (original)
+++ cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/EnumSelectionList.java Tue Mar 22 11:10:59 2005
@@ -56,8 +56,6 @@
  * @version $Id$
  */
 public class EnumSelectionList implements SelectionList {
-    public static final String I18N_NS = "http://apache.org/cocoon/i18n/2.1";
-    public static final String I18N_PREFIX_COLON = "i18n:";
     public static final String TEXT_EL = "text";
 
     private Datatype datatype;
@@ -108,9 +106,9 @@
                     contentHandler.startElement(Constants.INSTANCE_NS, ITEM_EL, Constants.INSTANCE_PREFIX_COLON + ITEM_EL, itemAttrs);
                     contentHandler.startElement(Constants.INSTANCE_NS, LABEL_EL, Constants.INSTANCE_PREFIX_COLON + LABEL_EL, XMLUtils.EMPTY_ATTRIBUTES);
                     // TODO: make i18n element optional
-                    contentHandler.startElement(I18N_NS, TEXT_EL, I18N_PREFIX_COLON + TEXT_EL, XMLUtils.EMPTY_ATTRIBUTES);
+                    contentHandler.startElement(Constants.I18N_NS, TEXT_EL, Constants.I18N_PREFIX_COLON + TEXT_EL, XMLUtils.EMPTY_ATTRIBUTES);
                     contentHandler.characters(stringValue.toCharArray(), 0, stringValue.length());
-                    contentHandler.endElement(I18N_NS, TEXT_EL, I18N_PREFIX_COLON + TEXT_EL);
+                    contentHandler.endElement(Constants.I18N_NS, TEXT_EL, Constants.I18N_PREFIX_COLON + TEXT_EL);
                     contentHandler.endElement(Constants.INSTANCE_NS, LABEL_EL, Constants.INSTANCE_PREFIX_COLON + LABEL_EL);
                     contentHandler.endElement(Constants.INSTANCE_NS, ITEM_EL, Constants.INSTANCE_PREFIX_COLON + ITEM_EL);
                 }

Modified: cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionList.java
URL: http://svn.apache.org/viewcvs/cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionList.java?view=diff&r1=158638&r2=158639
==============================================================================
--- cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionList.java (original)
+++ cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionList.java Tue Mar 22 11:10:59 2005
@@ -22,6 +22,7 @@
 import org.apache.cocoon.components.ContextHelper;
 import org.apache.cocoon.components.flow.FlowHelper;
 import org.apache.cocoon.forms.Constants;
+import org.apache.cocoon.forms.util.I18nMessage;
 import org.apache.cocoon.xml.AttributesImpl;
 import org.apache.cocoon.xml.XMLUtils;
 import org.apache.commons.jxpath.JXPathContext;
@@ -46,13 +47,31 @@
     private String labelPath;
     private Datatype datatype;
     private Object model;
-
-    public FlowJXPathSelectionList(Context context, String listPath, String valuePath, String labelPath, Datatype datatype) {
+    private boolean nullable = false; 
+    private String nullText;
+    private boolean nullTextIsI18nKey = false;
+    private String i18nCatalog;
+    private boolean labelIsI18nKey = false;
+
+    public FlowJXPathSelectionList(Context context, 
+                                   String listPath, 
+                                   String valuePath, 
+                                   String labelPath, 
+                                   Datatype datatype,
+                                   String nullText, 
+                                   boolean nullTextIsI18nKey, 
+                                   String i18nCatalog, 
+                                   boolean labelIsI18nKey) {
         this.context = context;
         this.listPath = listPath;
         this.valuePath = valuePath;
         this.labelPath = labelPath;
         this.datatype = datatype;
+        this.nullText = nullText;
+        this.nullable = (nullText != null);
+        this.nullTextIsI18nKey = nullTextIsI18nKey;
+        this.i18nCatalog =i18nCatalog;
+        this.labelIsI18nKey = labelIsI18nKey;
     }
 
     /**
@@ -100,6 +119,39 @@
 
         // Start the selection-list
         contentHandler.startElement(Constants.INSTANCE_NS, SELECTION_LIST_EL, Constants.INSTANCE_PREFIX_COLON + SELECTION_LIST_EL, XMLUtils.EMPTY_ATTRIBUTES);
+        if( this.nullable ) {
+            final AttributesImpl voidAttrs = new AttributesImpl(  );
+            voidAttrs.addCDATAAttribute( "value", "" );
+            contentHandler.startElement( Constants.INSTANCE_NS, ITEM_EL,
+                                         Constants.INSTANCE_PREFIX_COLON +
+                                         ITEM_EL, voidAttrs );
+
+            if( this.nullText != null ) {
+                contentHandler.startElement( Constants.INSTANCE_NS, LABEL_EL,
+                                             Constants.INSTANCE_PREFIX_COLON +
+                                             LABEL_EL, XMLUtils.EMPTY_ATTRIBUTES );
+
+                if( this.nullTextIsI18nKey ) {
+                    if( ( this.i18nCatalog != null ) &&
+                        ( this.i18nCatalog.trim(  ).length(  ) > 0 ) ) {
+                        new I18nMessage( this.nullText, this.i18nCatalog ).toSAX( contentHandler );
+                    } else {
+                        new I18nMessage( this.nullText ).toSAX( contentHandler );
+                    }
+                } else {
+                    contentHandler.characters( this.nullText.toCharArray(  ), 0,
+                                               this.nullText.length(  ) );
+                }
+
+                contentHandler.endElement( Constants.INSTANCE_NS, LABEL_EL,
+                                           Constants.INSTANCE_PREFIX_COLON +
+                                           LABEL_EL );
+            }
+
+            contentHandler.endElement( Constants.INSTANCE_NS, ITEM_EL,
+                                       Constants.INSTANCE_PREFIX_COLON +
+                                       ITEM_EL );
+        }
 
         while(iter.hasNext()) {
             String stringValue = "";
@@ -135,6 +187,15 @@
                 contentHandler.startElement(Constants.INSTANCE_NS, LABEL_EL, Constants.INSTANCE_PREFIX_COLON + LABEL_EL, XMLUtils.EMPTY_ATTRIBUTES);
                 if (label instanceof XMLizable) {
                     ((XMLizable)label).toSAX(contentHandler);
+                }  else if( this.labelIsI18nKey ) {
+                    String stringLabel = label.toString();
+
+                    if( ( this.i18nCatalog != null ) &&
+                        ( this.i18nCatalog.trim(  ).length(  ) > 0 ) ) {
+                        new I18nMessage( stringLabel, this.i18nCatalog ).toSAX( contentHandler );
+                    } else {
+                        new I18nMessage( stringLabel ).toSAX( contentHandler );
+                    }
                 } else {
                     String stringLabel = label.toString();
                     contentHandler.characters(stringLabel.toCharArray(), 0, stringLabel.length());

Modified: cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionListBuilder.java
URL: http://svn.apache.org/viewcvs/cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionListBuilder.java?view=diff&r1=158638&r2=158639
==============================================================================
--- cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionListBuilder.java (original)
+++ cocoon/blocks/core/forms/trunk/java/org/apache/cocoon/forms/datatype/FlowJXPathSelectionListBuilder.java Tue Mar 22 11:10:59 2005
@@ -18,9 +18,12 @@
 import org.apache.avalon.framework.context.Context;
 import org.apache.avalon.framework.context.ContextException;
 import org.apache.avalon.framework.context.Contextualizable;
+import org.apache.cocoon.forms.Constants;
 import org.apache.cocoon.forms.util.DomHelper;
 import org.w3c.dom.Element;
 
+import java.util.Map;
+
 /**
  * Builds a selection list that will take its values from the flow page data.
  * The items list and, for each item, its value and label, are fetched using
@@ -56,10 +59,37 @@
     public SelectionList build(Element selectionListElement, Datatype datatype) throws Exception {
 
         String listPath = DomHelper.getAttribute(selectionListElement, "list-path");
-        String keyPath = DomHelper.getAttribute(selectionListElement, "value-path");
-        String valuePath = DomHelper.getAttribute(selectionListElement, "label-path");
-
-        return new FlowJXPathSelectionList(context, listPath, keyPath, valuePath, datatype);
+        String valuePath = DomHelper.getAttribute(selectionListElement, "value-path");
+        Map nspfx = DomHelper.getInheritedNSDeclarations(selectionListElement);
+        String i18nPfx = (String)nspfx.get( Constants.I18N_NS );
+        String labelPath = DomHelper.getAttribute(selectionListElement, "label-path", null);
+        boolean labelIsI18nKey = false;
+        if( labelPath == null )
+        {
+            labelPath = DomHelper.getAttribute(selectionListElement, i18nPfx + ":label-path");
+            labelIsI18nKey = true;
+        }
+        String nullText = DomHelper.getAttribute(selectionListElement, "null-text", null);
+        boolean nullTextIsI18nKey = false;
+        if( nullText == null ) {
+            nullText = DomHelper.getAttribute(selectionListElement, i18nPfx + ":null-text", null);
+            if( nullText != null ) {
+                nullTextIsI18nKey = true;
+            }
+        }
+        
+        String i18nCatalog = DomHelper.getAttribute(selectionListElement, "catalogue", null);
+
+
+        return new FlowJXPathSelectionList(context, 
+                                           listPath, 
+                                           valuePath, 
+                                           labelPath, 
+                                           datatype, 
+                                           nullText, 
+                                           nullTextIsI18nKey, 
+                                           i18nCatalog, 
+                                           labelIsI18nKey);
     }
 
 }