Examples of com.google.gwt.user.client.ui.AbstractImagePrototype

com.google.gwt.user.client.ui.AbstractImagePrototype
An opaque representation of a particular image such that the image can be accessed either as an HTML fragment or as an {@link Image} object. An imageprotype can be thought of as an abstract image factory with additional capabilities.
The {@link #applyTo(Image)} method provides an efficient way to replace thecontents of an existing Image. This is useful in cases where an image changes its appearance based on a user's action. Instead of creating two Image objects then alternately hiding/showing them, one can use the {@link #applyTo(Image)} method of twoAbstractImagePrototype objects to transform a single Image object between two (or more) visual representations. The use of AbstractImagePrototypes results in an cleaner and more efficient implementation.

This class is also a useful way to encapsulate complex HTML that represents an image without actually instantiating Image objects. When constructing large HTML fragments, especially those that contain many images, {@link #getHTML()} can be much more efficient.

      super.add(grid);
    }
        
    private String formatStatusIcon(XmppContactStatus status) 
    {
      final AbstractImagePrototype icon = iconFromStatus(status);
      final Image iconImg = new Image();
      icon.applyTo(iconImg);
      return iconImg.toString();
    }

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        window.setHeight(360);
        window.setGlassEnabled(true);




        ImageResource icon = MessageCenterView.getSeverityIcon(msg.getSeverity());
        AbstractImagePrototype prototype = AbstractImagePrototype.create(icon);


        SafeHtmlBuilder html = new SafeHtmlBuilder();


        // TODO: XSS prevention?
        html.appendHtmlConstant(prototype.getHTML());
        html.appendHtmlConstant("&nbsp;");
        html.appendHtmlConstant(msg.getFired().toString());
        html.appendHtmlConstant("<h3 id='consise-message'>");
        html.appendHtmlConstant(msg.getConciseMessage());
        html.appendHtmlConstant("</h3>");

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            SafeHtmlBuilder safeHtmlBuilder)
    {




        ImageResource icon = MessageCenterView.getSeverityIcon(message.getSeverity());
        AbstractImagePrototype prototype = AbstractImagePrototype.create(icon);


        String styles = (context.getIndex() %2 > 0) ? "message-list-item message-list-item-odd" : "message-list-item";
        String rowStyle= message.isNew()  ? "" : "class='message-list-item-old'";


        safeHtmlBuilder.appendHtmlConstant("<table width='100%' cellpadding=4 cellspacing=0>");
        safeHtmlBuilder.appendHtmlConstant("<tr valign='middle' "+rowStyle+">");
        safeHtmlBuilder.appendHtmlConstant("<td width=16>");
        safeHtmlBuilder.appendHtmlConstant(prototype.getHTML());
        safeHtmlBuilder.appendHtmlConstant("</td><td width='100%'>");


        safeHtmlBuilder.appendHtmlConstant("<div class='"+styles+"'>");
        String actualMessage = message.getConciseMessage().length()>30 ? message.getConciseMessage().substring(0, 30)+" ..." : message.getConciseMessage();

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    TreeNode node = findNode(model);
    return node.isLeaf() ? Joint.NONE : node.expanded ? Joint.EXPANDED : Joint.COLLAPSED;
  }


  protected AbstractImagePrototype calculateIconStyle(M model) {
    AbstractImagePrototype style = null;
    if (iconProvider != null) {
      AbstractImagePrototype iconStyle = iconProvider.getIcon(model);
      if (iconStyle != null) {
        return iconStyle;
      }
    }
    TreeNode node = findNode(model);

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    }
    return joint;
  }


  protected AbstractImagePrototype calculateIconStyle(M model) {
    AbstractImagePrototype style = null;
    if (iconProvider != null) {
      AbstractImagePrototype iconStyle = iconProvider.getIcon((M) model);
      if (iconStyle != null) {
        return iconStyle;
      }
    }
    TreeNode node = findNode(model);

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  }


  protected void refresh(M model) {
    TreeNode node = findNode(model);
    if (rendered && viewReady && node != null) {
      AbstractImagePrototype style = calculateIconStyle(model);
      treeGridView.onIconStyleChange(node, style);
      Joint j = calcualteJoint(model);
      treeGridView.onJointChange(node, j);
    }
  }

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    int level = ts.getDepth(model);


    String id = getId(tree, model, property, rowIndex, colIndex);
    String text = getText(tree, model, property, rowIndex, colIndex);
    AbstractImagePrototype icon = calculateIconStyle(tree, model, property, rowIndex, colIndex);
    Joint j = calcualteJoint(tree, model, property, rowIndex, colIndex);


    return tree.getTreeView().getWidgetTemplate(model, id, text, icon, false, j, level - 1);
  }

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    int level = ts.getDepth(model);


    String id = getId(tree, model, property, rowIndex, colIndex);
    String text = getText(tree, model, property, rowIndex, colIndex);
    AbstractImagePrototype icon = calculateIconStyle(tree, model, property, rowIndex, colIndex);
    Joint j = calcualteJoint(tree, model, property, rowIndex, colIndex);


    return tree.getTreeView().getTemplate(model, id, text, icon, false, j, level - 1);
  }

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   * @param rangeItems the range items
   */
  public void setRangeItems(List<RangeItem> rangeItems) {
    this.rangeItems = rangeItems;
    removeAll();
    AbstractImagePrototype icon = null;
    for (RangeItem item : rangeItems) {
      NumberField field = new NumberField() {
        @Override
        protected void onKeyUp(FieldEvent fe) {
          super.onKeyUp(fe);

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        window.setHeight(240);
        window.setGlassEnabled(true);




        ImageResource icon = MessageCenterView.getSeverityIcon(msg.getSeverity());
        AbstractImagePrototype prototype = AbstractImagePrototype.create(icon);


        SafeHtmlBuilder html = new SafeHtmlBuilder();


        html.appendHtmlConstant(prototype.getHTML());
        html.appendHtmlConstant("&nbsp;");
        html.appendEscaped(msg.getFired().toString());
        html.appendHtmlConstant("<h3>"+msg.getConciseMessage()+"</h3>");
        html.appendHtmlConstant("<p/>");

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