Revision: 6341
Author: rj...@google.com
Date: Fri Oct  9 17:08:00 2009
Log: Introduces support for DataResource to UiBinder, and you know what
that means: custom mouse cursors! Shaped like hearts!

Review by b...@google.com

http://gwt-code-reviews.appspot.com/77808
http://code.google.com/p/google-web-toolkit/source/detail?r=6341

Added:
   
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitDataResource.java
  /trunk/user/src/com/google/gwt/uibinder/sample/client/heart.cur
Modified:
  /trunk/user/src/com/google/gwt/uibinder/rebind/BundleWriter.java
  /trunk/user/src/com/google/gwt/uibinder/rebind/UiBinderParser.java
   
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitClientBundle.java
   
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitCssResource.java
   
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitImageResource.java
  /trunk/user/src/com/google/gwt/uibinder/sample/client/WidgetBasedUi.java
  /trunk/user/src/com/google/gwt/uibinder/sample/client/WidgetBasedUi.ui.xml
  /trunk/user/test/com/google/gwt/uibinder/sample/client/UiBinderTest.java

=======================================
--- /dev/null
+++  
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitDataResource.java  
 
Fri Oct  9 17:08:00 2009
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2009 Google Inc.
+ *
+ * Licensed 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 com.google.gwt.uibinder.rebind.model;
+
+/**
+ * Models a method returning a DataResource on a generated ClientBundle.
+ */
+public class ImplicitDataResource {
+  private final String name;
+  private final String source;
+
+  ImplicitDataResource(String name, String source) {
+    this.name = name;
+    this.source = source;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public String getSource() {
+    return source;
+  }
+}
=======================================
--- /dev/null   
+++ /trunk/user/src/com/google/gwt/uibinder/sample/client/heart.cur     Fri  
Oct  9 17:08:00 2009
Binary file, no diff available.
=======================================
--- /trunk/user/src/com/google/gwt/uibinder/rebind/BundleWriter.java    Fri  
Oct  9 14:47:58 2009
+++ /trunk/user/src/com/google/gwt/uibinder/rebind/BundleWriter.java    Fri  
Oct  9 17:08:00 2009
@@ -19,12 +19,14 @@
  import com.google.gwt.core.ext.typeinfo.JClassType;
  import com.google.gwt.core.ext.typeinfo.TypeOracle;
  import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.DataResource;
  import com.google.gwt.resources.client.ImageResource;
  import com.google.gwt.resources.client.CssResource.Strict;
  import com.google.gwt.resources.client.ImageResource.ImageOptions;
  import com.google.gwt.resources.client.ImageResource.RepeatStyle;
  import com.google.gwt.uibinder.rebind.model.ImplicitClientBundle;
  import com.google.gwt.uibinder.rebind.model.ImplicitCssResource;
+import com.google.gwt.uibinder.rebind.model.ImplicitDataResource;
  import com.google.gwt.uibinder.rebind.model.ImplicitImageResource;

  /**
@@ -38,10 +40,11 @@
    private final TypeOracle oracle;

    private final JClassType clientBundleType;
-  private final JClassType strictAnnotationType;
+  private final JClassType dataResourceType;
    private final JClassType imageOptionType;
    private final JClassType imageResourceType;
    private final JClassType repeatStyleType;
+  private final JClassType strictAnnotationType;

    public BundleWriter(ImplicitClientBundle bundleClass,
        PrintWriterManager writerManager, TypeOracle oracle,
@@ -53,10 +56,11 @@
      this.oracle = oracle;

      clientBundleType = oracle.findType(ClientBundle.class.getName());
-    strictAnnotationType =  
oracle.findType(Strict.class.getCanonicalName());
+    dataResourceType =  
oracle.findType(DataResource.class.getCanonicalName());
      imageOptionType =  
oracle.findType(ImageOptions.class.getCanonicalName());
      imageResourceType =  
oracle.findType(ImageResource.class.getCanonicalName());
      repeatStyleType =  
oracle.findType(RepeatStyle.class.getCanonicalName());
+    strictAnnotationType =  
oracle.findType(Strict.class.getCanonicalName());
    }

    public void write() throws UnableToCompleteException {
@@ -76,25 +80,34 @@
      }

      // Imports
-    writer.write("import %s;", imageResourceType.getQualifiedSourceName());
-    writer.write("import %s;", imageOptionType.getQualifiedSourceName());
      writer.write("import %s;", clientBundleType.getQualifiedSourceName());
+    // TODO(rjrjr,bobv) Remove the strict import when strict becomes  
default, RSN
      writer.write("import %s;",  
strictAnnotationType.getQualifiedSourceName());
+    writer.write("import %s;", dataResourceType.getQualifiedSourceName());
+    writer.write("import %s;", imageResourceType.getQualifiedSourceName());
+    writer.write("import %s;", imageOptionType.getQualifiedSourceName());
      writer.newline();

      // Open interface
      writer.write("public interface %s extends ClientBundle {",
          bundleClass.getClassName());
      writer.indent();
-
+
      // Write css methods
      for (ImplicitCssResource css : bundleClass.getCssMethods()) {
+      // TODO(rjrjr,bobv) Remove the @Strict when strict becomes default,  
RSN
        writer.write("@Strict @Source(\"%s\")", css.getSource());
        writer.write("%s %s();", css.getClassName(), css.getName());
        writer.newline();
      }
-
-    writer.newline();
+
+    // Write data methods
+    for (ImplicitDataResource data : bundleClass.getDataMethods()) {
+      writer.write("@Source(\"%s\")", data.getSource());
+      writer.write("%s %s();", dataResourceType.getName(), data.getName());
+      writer.newline();
+    }
+
      writeImageMethods();

      // Close interface.
=======================================
--- /trunk/user/src/com/google/gwt/uibinder/rebind/UiBinderParser.java  Fri  
Oct  9 14:47:58 2009
+++ /trunk/user/src/com/google/gwt/uibinder/rebind/UiBinderParser.java  Fri  
Oct  9 17:08:00 2009
@@ -20,11 +20,13 @@
  import com.google.gwt.core.ext.typeinfo.JMethod;
  import com.google.gwt.core.ext.typeinfo.TypeOracle;
  import com.google.gwt.resources.client.CssResource;
+import com.google.gwt.resources.client.DataResource;
  import com.google.gwt.resources.client.ImageResource;
  import com.google.gwt.resources.client.ImageResource.RepeatStyle;
  import com.google.gwt.uibinder.rebind.messages.MessagesWriter;
  import com.google.gwt.uibinder.rebind.model.ImplicitClientBundle;
  import com.google.gwt.uibinder.rebind.model.ImplicitCssResource;
+import com.google.gwt.uibinder.rebind.model.ImplicitDataResource;
  import com.google.gwt.uibinder.rebind.model.ImplicitImageResource;
  import com.google.gwt.uibinder.rebind.model.OwnerField;

@@ -50,6 +52,7 @@
    private final ImplicitClientBundle bundleClass;
    private final JClassType cssResourceType;
    private final JClassType imageResourceType;
+  private final JClassType dataResourceType;

    public UiBinderParser(UiBinderWriter writer, MessagesWriter  
messagesWriter,
        FieldManager fieldManager, TypeOracle oracle,
@@ -61,6 +64,7 @@
      this.bundleClass = bundleClass;
      this.cssResourceType =  
oracle.findType(CssResource.class.getCanonicalName());
      this.imageResourceType =  
oracle.findType(ImageResource.class.getCanonicalName());
+    this.dataResourceType =  
oracle.findType(DataResource.class.getCanonicalName());
    }

    /**
@@ -70,9 +74,7 @@
    public String parse(XMLElement elem) throws UnableToCompleteException {
      // TODO(rjrjr) Clearly need to break these find* methods out into  
their own
      // parsers, an so need a registration scheme for uibinder-specific  
parsers
-    findStyles(elem);
      findResources(elem);
-    findImages(elem);
      messagesWriter.findMessagesConfig(elem);
      XMLElement uiRoot = elem.consumeSingleChildElement();
      return writer.parseElementToField(uiRoot);
@@ -110,15 +112,26 @@
      return resourceType;
    }

+  /**
+   * Interprets <ui:data> elements
+   */
+  private void createData(XMLElement elem)  throws  
UnableToCompleteException {
+    String name = elem.consumeRequiredAttribute(FIELD_ATTRIBUTE);
+    String source = elem.consumeRequiredAttribute(SOURCE_ATTRIBUTE);
+    ImplicitDataResource dataMethod = bundleClass.createDataResource(name,  
source);
+    FieldWriter field = fieldManager.registerField(dataResourceType,
+        dataMethod.getName());
+    field.setInitializer(String.format("%s.%s()",  
bundleClass.getFieldName(),
+        dataMethod.getName()));
+  }
+
    /**
     * Interprets <ui:image> elements
     */
    private void createImage(XMLElement elem) throws  
UnableToCompleteException {
      String name = elem.consumeRequiredAttribute(FIELD_ATTRIBUTE);
-    String source = elem.consumeAttribute(SOURCE_ATTRIBUTE, null); //  
@source is
-                                                                   //  
optional
-                                                                   // on
-                                                                   //  
ImageResource
+    // @source is optional on ImageResource
+    String source = elem.consumeAttribute(SOURCE_ATTRIBUTE, null);

      Boolean flipRtl = null;
      if (elem.hasAttribute(FLIP_RTL_ATTRIBUTE)) {
@@ -208,51 +221,33 @@
      field.setInitializer(String.format("%s.%s()",  
bundleClass.getFieldName(),
          cssMethod.getName()));
    }
-
-  private void findImages(XMLElement binderElement)
-      throws UnableToCompleteException {
-    binderElement.consumeChildElements(new  
XMLElement.Interpreter<Boolean>() {
-      public Boolean interpretElement(XMLElement elem)
-          throws UnableToCompleteException {
-        if (!(writer.isBinderElement(elem)  
&& "image".equals(elem.getLocalName()))) {
-          return false; // Not of interest, do not consume
-        }
-
-        createImage(elem);
-
-        return true; // Yum
-      }
-    });
-  }

    private void findResources(XMLElement binderElement)
        throws UnableToCompleteException {
      binderElement.consumeChildElements(new  
XMLElement.Interpreter<Boolean>() {
        public Boolean interpretElement(XMLElement elem)
            throws UnableToCompleteException {
-        if (!(writer.isBinderElement(elem)  
&& "with".equals(elem.getLocalName()))) {
-          return false; // Not of interest, do not consume
-        }
-
-        createResource(elem);
-
-        return true; // Yum
-      }
-    });
-  }
-
-  private void findStyles(XMLElement binderElement)
-      throws UnableToCompleteException {
-    binderElement.consumeChildElements(new  
XMLElement.Interpreter<Boolean>() {
-      public Boolean interpretElement(XMLElement elem)
-          throws UnableToCompleteException {
-        if (!(writer.isBinderElement(elem)  
&& "style".equals(elem.getLocalName()))) {
-          return false; // Not of interest, do not consume
-        }
-
-        createStyle(elem);
-
-        return true; // consume
+
+        if (writer.isBinderElement(elem)) {
+          final String localName = elem.getLocalName();
+          if ("with".equals(localName)) {
+            createResource(elem);
+          }
+          else if ("image".equals(localName)) {
+            createImage(elem);
+          }
+          else if ("style".equals(localName)) {
+            createStyle(elem);
+          }
+          else if ("data".equals(localName)) {
+            createData(elem);
+          }
+          else {
+            writer.die("%s unrecognized, or not appropriate as a top level  
element");
+          }
+          return true;
+        }
+        return false; // leave it be
        }
      });
    }
=======================================
---  
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitClientBundle.java  
 
Fri Oct  9 14:47:58 2009
+++  
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitClientBundle.java  
 
Fri Oct  9 17:08:00 2009
@@ -20,16 +20,17 @@
  import com.google.gwt.uibinder.rebind.MortalLogger;

  import java.util.Collections;
-import java.util.HashSet;
+import java.util.LinkedHashSet;
  import java.util.Set;

  /**
   * Models the ClientBundle to be generated from a ui.xml.
   */
  public class ImplicitClientBundle {
-
-  private final Set<ImplicitCssResource> cssMethods = new  
HashSet<ImplicitCssResource>();
-  private final Set<ImplicitImageResource> imageMethods = new  
HashSet<ImplicitImageResource>();
+  // LinkedHashSets for consistent order across recompiles
+  private final LinkedHashSet<ImplicitCssResource> cssMethods = new  
LinkedHashSet<ImplicitCssResource>();
+  private final LinkedHashSet<ImplicitImageResource> imageMethods = new  
LinkedHashSet<ImplicitImageResource>();
+  private final LinkedHashSet<ImplicitDataResource> dataMethods =  new  
LinkedHashSet<ImplicitDataResource>();
    private final String packageName;
    private final String className;
    private final String fieldName;
@@ -54,7 +55,7 @@
    /**
     * Called to declare a new CssResource accessor on this bundle.
     *
-   * @param name the method name
+   * @param name the method name and the ui:field name
     * @param source path to the .css file resource
     * @param extendedInterface the public interface implemented by this
     *          CssResource, or null
@@ -68,12 +69,26 @@
      cssMethods.add(css);
      return css;
    }
+
+  /**
+   * Called to declare a new DataResource accessor on this bundle.
+   * All params must be non-null
+   *
+   * @param name the method name and the ui:field name
+   * @param source path to the resource
+   * @return
+   */
+  public ImplicitDataResource createDataResource(String name, String  
source) {
+    ImplicitDataResource data = new ImplicitDataResource(name, source);
+    dataMethods.add(data);
+    return data;
+  }

    /**
     * Called to declare a new ImageResource accessor on this bundle.
     *
-   * @param name the method name
-   * @param source path the image resource, or null if none was specified
+   * @param name the method name and the ui:field name
+   * @param source path to the image resource, or null if none was  
specified
     * @param flipRtl value for the flipRtl ImageOption, or null if none was
     *          specified
     * @param repeatStyle value of the RepeatStyle ImageOption, or null if  
none
@@ -94,11 +109,15 @@
    public Set<ImplicitCssResource> getCssMethods() {
      return Collections.unmodifiableSet(cssMethods);
    }
+
+  public Set<ImplicitDataResource> getDataMethods() {
+    return Collections.unmodifiableSet(dataMethods);
+  }

    public String getFieldName() {
      return fieldName;
    }
-
+
    public Set<ImplicitImageResource> getImageMethods() {
      return Collections.unmodifiableSet(imageMethods);
    }
=======================================
---  
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitCssResource.java   
 
Fri Oct  9 14:47:58 2009
+++  
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitCssResource.java   
 
Fri Oct  9 17:08:00 2009
@@ -44,7 +44,7 @@
    private final MortalLogger logger;
    private File generatedFile;

-  public ImplicitCssResource(String packageName, String className, String  
name,
+  ImplicitCssResource(String packageName, String className, String name,
        String source, JClassType extendedInterface, String body,
        MortalLogger logger) {
      this.packageName = packageName;
=======================================
---  
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitImageResource.java 
 
Fri Oct  9 14:47:58 2009
+++  
/trunk/user/src/com/google/gwt/uibinder/rebind/model/ImplicitImageResource.java 
 
Fri Oct  9 17:08:00 2009
@@ -26,7 +26,7 @@
    private final Boolean flipRtl;
    private final RepeatStyle repeatStyle;

-  public ImplicitImageResource(
+  ImplicitImageResource(
        String name, String source, Boolean flipRtl, RepeatStyle  
repeatStyle) {
      this.name = name;
      this.source = source;
=======================================
---  
/trunk/user/src/com/google/gwt/uibinder/sample/client/WidgetBasedUi.java        
 
Fri Oct  9 14:47:58 2009
+++  
/trunk/user/src/com/google/gwt/uibinder/sample/client/WidgetBasedUi.java        
 
Fri Oct  9 17:08:00 2009
@@ -25,6 +25,7 @@
  import com.google.gwt.dom.client.StyleInjector;
  import com.google.gwt.dom.client.TableElement;
  import com.google.gwt.resources.client.CssResource;
+import com.google.gwt.resources.client.DataResource;
  import com.google.gwt.resources.client.ImageResource;
  import com.google.gwt.resources.client.CssResource.Shared;
  import com.google.gwt.uibinder.client.UiBinder;
@@ -119,6 +120,7 @@
    @UiField ImageResource prettyTilingImage;
    @UiField Image babyWidget;
    @UiField ParagraphElement simpleSpriteParagraph;
+  @UiField DataResource heartCursorResource;

    public WidgetBasedUi() {
      this.bundledLabel = new Label();
=======================================
---  
/trunk/user/src/com/google/gwt/uibinder/sample/client/WidgetBasedUi.ui.xml      
 
Fri Oct  9 14:47:58 2009
+++  
/trunk/user/src/com/google/gwt/uibinder/sample/client/WidgetBasedUi.ui.xml      
 
Fri Oct  9 17:08:00 2009
@@ -96,6 +96,14 @@
    }
  </ui:style>

+<ui:style field='cursorifficStyle'>
+  @url cursor heartCursorResource;
+  .cursor {
+    cursor:cursor,pointer;
+  }
+</ui:style>
+<ui:data field='heartCursorResource' src='heart.cur'/>
+
  <ui:style field='mySpritelyStyle'>
    @sprite .simpleSprite {
      gwt-image: "prettyImage";
@@ -174,14 +182,18 @@
        </p>

        <p>I bet you like babies in your Image widgets.</p>
+      <div class='{cursorifficStyle.cursor}'>
        <gwt:Image ui:field='babyWidget' resource='{prettyImage}'/>
+      </div>

        <p ui:field='simpleSpriteParagraph'
-          class='{mySpritelyStyle.simpleSprite} {mySpritelyStyle.garish}' >
+          class='{mySpritelyStyle.simpleSprite} {mySpritelyStyle.garish}
+            {cursorifficStyle.cursor}' >
          And sprites too
        </p>

-      <p class='{mySpritelyStyle.tilingSprite} {mySpritelyStyle.garish}'>
+      <p class='{mySpritelyStyle.tilingSprite} {mySpritelyStyle.garish}
+          {cursorifficStyle.cursor}'>
          Well how do you like  <br/>
          tiled sprited images...of babies!! <br/>
          Well of course you do. Who wouldn't?
@@ -442,10 +454,12 @@
      <b>HTML:</b>
      <pre style="border: 1px dashed #666; padding: 5px 0;">
    &lt;div id="gwt-debug-joe"
-      class="gwt-Label newStyle anotherStyle gwt-Label-dependentStyle  
gwt-Label-anotherDependentStyle"&gt;
+      class="gwt-Label newStyle anotherStyle gwt-Label-dependentStyle
+        gwt-Label-anotherDependentStyle"&gt;
      A label with a debug id
    &lt;/div&gt;
-  &lt;button id="gwt-debug-myButton" class="gwt-Button buttonStyle"  
tabindex="0" type="button"&gt;Go&lt;/button&gt;</pre>
+  &lt;button id="gwt-debug-myButton" class="gwt-Button buttonStyle"  
tabindex="0"
+    type="button"&gt;Go&lt;/button&gt;</pre>

      <gwt:FlowPanel>
        <gwt:Label ui:field="lblDebugId" debugId="joe"  
addStyleNames="newStyle, anotherStyle"  
addStyleDependentNames="dependentStyle, anotherDependentStyle">
=======================================
---  
/trunk/user/test/com/google/gwt/uibinder/sample/client/UiBinderTest.java        
 
Fri Oct  9 14:47:58 2009
+++  
/trunk/user/test/com/google/gwt/uibinder/sample/client/UiBinderTest.java        
 
Fri Oct  9 17:08:00 2009
@@ -25,6 +25,7 @@
  import com.google.gwt.junit.Platform;
  import com.google.gwt.junit.client.GWTTestCase;
  import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.DataResource;
  import com.google.gwt.user.client.DOM;
  import com.google.gwt.user.client.ui.DisclosurePanel;
  import com.google.gwt.user.client.ui.DockPanel;
@@ -352,6 +353,16 @@
      assertEquals(widgetUi.prettyImage.getLeft(),  
widgetUi.babyWidget.getOriginLeft());
    }

+  interface HeartBundle extends ClientBundle {
+    @Source("heart.cur")
+    DataResource heart();
+  }
+
+  public void testDataResource() {
+    HeartBundle b = GWT.create(HeartBundle.class);
+    assertEquals(b.heart().getUrl(),  
widgetUi.heartCursorResource.getUrl());
+  }
+
    public void testSpritedElement() {
      assertEquals(widgetUi.prettyImage.getWidth(),  
widgetUi.simpleSpriteParagraph.getOffsetWidth());
      assertEquals(widgetUi.prettyImage.getHeight(),  
widgetUi.simpleSpriteParagraph.getOffsetHeight());

--~--~---------~--~----~------------~-------~--~----~
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