2.4/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/RichTextToolbar.java - gwt - Git at Google

 /*
  * Copyright 2008 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.sample.showcase.client.content.text;

 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.dom.client.ChangeEvent;
 import com.google.gwt.event.dom.client.ChangeHandler;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.dom.client.KeyUpEvent;
 import com.google.gwt.event.dom.client.KeyUpHandler;
 import com.google.gwt.i18n.client.Constants;
 import com.google.gwt.resources.client.ClientBundle;
 import com.google.gwt.resources.client.ImageResource;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.HorizontalPanel;
 import com.google.gwt.user.client.ui.Image;
 import com.google.gwt.user.client.ui.ListBox;
 import com.google.gwt.user.client.ui.PushButton;
 import com.google.gwt.user.client.ui.RichTextArea;
 import com.google.gwt.user.client.ui.ToggleButton;
 import com.google.gwt.user.client.ui.VerticalPanel;
 import com.google.gwt.user.client.ui.Widget;

 /**
  * A sample toolbar for use with {@link RichTextArea}. It provides a simple UI
  * for all rich text formatting, dynamically displayed only for the available
  * functionality.
  */
 @SuppressWarnings("deprecation")
 public class RichTextToolbar extends Composite {

   /**
    * This {@link ClientBundle} is used for all the button icons. Using a bundle
    * allows all of these images to be packed into a single image, which saves a
    * lot of HTTP requests, drastically improving startup time.
    */
   public interface Images extends ClientBundle {

     ImageResource bold();

     ImageResource createLink();

     ImageResource hr();

     ImageResource indent();

     ImageResource insertImage();

     ImageResource italic();

     ImageResource justifyCenter();

     ImageResource justifyLeft();

     ImageResource justifyRight();

     ImageResource ol();

     ImageResource outdent();

     ImageResource removeFormat();

     ImageResource removeLink();

     ImageResource strikeThrough();

     ImageResource subscript();

     ImageResource superscript();

     ImageResource ul();

     ImageResource underline();
   }

   /**
    * This {@link Constants} interface is used to make the toolbar's strings
    * internationalizable.
    */
   public interface Strings extends Constants {

     String black();

     String blue();

     String bold();

     String color();

     String createLink();

     String font();

     String green();

     String hr();

     String indent();

     String insertImage();

     String italic();

     String justifyCenter();

     String justifyLeft();

     String justifyRight();

     String large();

     String medium();

     String normal();

     String ol();

     String outdent();

     String red();

     String removeFormat();

     String removeLink();

     String size();

     String small();

     String strikeThrough();

     String subscript();

     String superscript();

     String ul();

     String underline();

     String white();

     String xlarge();

     String xsmall();

     String xxlarge();

     String xxsmall();

     String yellow();
   }

   /**
    * We use an inner EventHandler class to avoid exposing event methods on the
    * RichTextToolbar itself.
    */
   private class EventHandler implements ClickHandler, ChangeHandler,
       KeyUpHandler {

     public void onChange(ChangeEvent event) {
       Widget sender = (Widget) event.getSource();

       if (sender == backColors) {
         basic.setBackColor(backColors.getValue(backColors.getSelectedIndex()));
         backColors.setSelectedIndex(0);
       } else if (sender == foreColors) {
         basic.setForeColor(foreColors.getValue(foreColors.getSelectedIndex()));
         foreColors.setSelectedIndex(0);
       } else if (sender == fonts) {
         basic.setFontName(fonts.getValue(fonts.getSelectedIndex()));
         fonts.setSelectedIndex(0);
       } else if (sender == fontSizes) {
         basic.setFontSize(fontSizesConstants[fontSizes.getSelectedIndex() - 1]);
         fontSizes.setSelectedIndex(0);
       }
     }

     public void onClick(ClickEvent event) {
       Widget sender = (Widget) event.getSource();

       if (sender == bold) {
         basic.toggleBold();
       } else if (sender == italic) {
         basic.toggleItalic();
       } else if (sender == underline) {
         basic.toggleUnderline();
       } else if (sender == subscript) {
         basic.toggleSubscript();
       } else if (sender == superscript) {
         basic.toggleSuperscript();
       } else if (sender == strikethrough) {
         extended.toggleStrikethrough();
       } else if (sender == indent) {
         extended.rightIndent();
       } else if (sender == outdent) {
         extended.leftIndent();
       } else if (sender == justifyLeft) {
         basic.setJustification(RichTextArea.Justification.LEFT);
       } else if (sender == justifyCenter) {
         basic.setJustification(RichTextArea.Justification.CENTER);
       } else if (sender == justifyRight) {
         basic.setJustification(RichTextArea.Justification.RIGHT);
       } else if (sender == insertImage) {
         String url = Window.prompt("Enter an image URL:", "http://");
         if (url != null) {
           extended.insertImage(url);
         }
       } else if (sender == createLink) {
         String url = Window.prompt("Enter a link URL:", "http://");
         if (url != null) {
           extended.createLink(url);
         }
       } else if (sender == removeLink) {
         extended.removeLink();
       } else if (sender == hr) {
         extended.insertHorizontalRule();
       } else if (sender == ol) {
         extended.insertOrderedList();
       } else if (sender == ul) {
         extended.insertUnorderedList();
       } else if (sender == removeFormat) {
         extended.removeFormat();
       } else if (sender == richText) {
         // We use the RichTextArea's onKeyUp event to update the toolbar status.
         // This will catch any cases where the user moves the cursur using the
         // keyboard, or uses one of the browser's built-in keyboard shortcuts.
         updateStatus();
       }
     }

     public void onKeyUp(KeyUpEvent event) {
       Widget sender = (Widget) event.getSource();
       if (sender == richText) {
         // We use the RichTextArea's onKeyUp event to update the toolbar status.
         // This will catch any cases where the user moves the cursur using the
         // keyboard, or uses one of the browser's built-in keyboard shortcuts.
         updateStatus();
       }
     }
   }

   private static final RichTextArea.FontSize[] fontSizesConstants = new RichTextArea.FontSize[] {
       RichTextArea.FontSize.XX_SMALL, RichTextArea.FontSize.X_SMALL,
       RichTextArea.FontSize.SMALL, RichTextArea.FontSize.MEDIUM,
       RichTextArea.FontSize.LARGE, RichTextArea.FontSize.X_LARGE,
       RichTextArea.FontSize.XX_LARGE};

   private Images images = (Images) GWT.create(Images.class);
   private Strings strings = (Strings) GWT.create(Strings.class);
   private EventHandler handler = new EventHandler();

   private RichTextArea richText;
   private RichTextArea.BasicFormatter basic;
   private RichTextArea.ExtendedFormatter extended;

   private VerticalPanel outer = new VerticalPanel();
   private HorizontalPanel topPanel = new HorizontalPanel();
   private HorizontalPanel bottomPanel = new HorizontalPanel();
   private ToggleButton bold;
   private ToggleButton italic;
   private ToggleButton underline;
   private ToggleButton subscript;
   private ToggleButton superscript;
   private ToggleButton strikethrough;
   private PushButton indent;
   private PushButton outdent;
   private PushButton justifyLeft;
   private PushButton justifyCenter;
   private PushButton justifyRight;
   private PushButton hr;
   private PushButton ol;
   private PushButton ul;
   private PushButton insertImage;
   private PushButton createLink;
   private PushButton removeLink;
   private PushButton removeFormat;

   private ListBox backColors;
   private ListBox foreColors;
   private ListBox fonts;
   private ListBox fontSizes;

   /**
    * Creates a new toolbar that drives the given rich text area.
    *
    * @param richText the rich text area to be controlled
    */
   public RichTextToolbar(RichTextArea richText) {
     this.richText = richText;
     this.basic = richText.getBasicFormatter();
     this.extended = richText.getExtendedFormatter();

     outer.add(topPanel);
     outer.add(bottomPanel);
     topPanel.setWidth("100%");
     bottomPanel.setWidth("100%");

     initWidget(outer);
     setStyleName("gwt-RichTextToolbar");
     richText.addStyleName("hasRichTextToolbar");

     if (basic != null) {
       topPanel.add(bold = createToggleButton(images.bold(), strings.bold()));
       topPanel.add(italic = createToggleButton(images.italic(),
           strings.italic()));
       topPanel.add(underline = createToggleButton(images.underline(),
           strings.underline()));
       topPanel.add(subscript = createToggleButton(images.subscript(),
           strings.subscript()));
       topPanel.add(superscript = createToggleButton(images.superscript(),
           strings.superscript()));
       topPanel.add(justifyLeft = createPushButton(images.justifyLeft(),
           strings.justifyLeft()));
       topPanel.add(justifyCenter = createPushButton(images.justifyCenter(),
           strings.justifyCenter()));
       topPanel.add(justifyRight = createPushButton(images.justifyRight(),
           strings.justifyRight()));
     }

     if (extended != null) {
       topPanel.add(strikethrough = createToggleButton(images.strikeThrough(),
           strings.strikeThrough()));
       topPanel.add(indent = createPushButton(images.indent(), strings.indent()));
       topPanel.add(outdent = createPushButton(images.outdent(),
           strings.outdent()));
       topPanel.add(hr = createPushButton(images.hr(), strings.hr()));
       topPanel.add(ol = createPushButton(images.ol(), strings.ol()));
       topPanel.add(ul = createPushButton(images.ul(), strings.ul()));
       topPanel.add(insertImage = createPushButton(images.insertImage(),
           strings.insertImage()));
       topPanel.add(createLink = createPushButton(images.createLink(),
           strings.createLink()));
       topPanel.add(removeLink = createPushButton(images.removeLink(),
           strings.removeLink()));
       topPanel.add(removeFormat = createPushButton(images.removeFormat(),
           strings.removeFormat()));
     }

     if (basic != null) {
       bottomPanel.add(backColors = createColorList("Background"));
       bottomPanel.add(foreColors = createColorList("Foreground"));
       bottomPanel.add(fonts = createFontList());
       bottomPanel.add(fontSizes = createFontSizes());

       // We only use these handlers for updating status, so don't hook them up
       // unless at least basic editing is supported.
       richText.addKeyUpHandler(handler);
       richText.addClickHandler(handler);
     }
   }

   private ListBox createColorList(String caption) {
     ListBox lb = new ListBox();
     lb.addChangeHandler(handler);
     lb.setVisibleItemCount(1);

     lb.addItem(caption);
     lb.addItem(strings.white(), "white");
     lb.addItem(strings.black(), "black");
     lb.addItem(strings.red(), "red");
     lb.addItem(strings.green(), "green");
     lb.addItem(strings.yellow(), "yellow");
     lb.addItem(strings.blue(), "blue");
     return lb;
   }

   private ListBox createFontList() {
     ListBox lb = new ListBox();
     lb.addChangeHandler(handler);
     lb.setVisibleItemCount(1);

     lb.addItem(strings.font(), "");
     lb.addItem(strings.normal(), "");
     lb.addItem("Times New Roman", "Times New Roman");
     lb.addItem("Arial", "Arial");
     lb.addItem("Courier New", "Courier New");
     lb.addItem("Georgia", "Georgia");
     lb.addItem("Trebuchet", "Trebuchet");
     lb.addItem("Verdana", "Verdana");
     return lb;
   }

   private ListBox createFontSizes() {
     ListBox lb = new ListBox();
     lb.addChangeHandler(handler);
     lb.setVisibleItemCount(1);

     lb.addItem(strings.size());
     lb.addItem(strings.xxsmall());
     lb.addItem(strings.xsmall());
     lb.addItem(strings.small());
     lb.addItem(strings.medium());
     lb.addItem(strings.large());
     lb.addItem(strings.xlarge());
     lb.addItem(strings.xxlarge());
     return lb;
   }

   private PushButton createPushButton(ImageResource img, String tip) {
     PushButton pb = new PushButton(new Image(img));
     pb.addClickHandler(handler);
     pb.setTitle(tip);
     return pb;
   }

   private ToggleButton createToggleButton(ImageResource img, String tip) {
     ToggleButton tb = new ToggleButton(new Image(img));
     tb.addClickHandler(handler);
     tb.setTitle(tip);
     return tb;
   }

   /**
    * Updates the status of all the stateful buttons.
    */
   private void updateStatus() {
     if (basic != null) {
       bold.setDown(basic.isBold());
       italic.setDown(basic.isItalic());
       underline.setDown(basic.isUnderlined());
       subscript.setDown(basic.isSubscript());
       superscript.setDown(basic.isSuperscript());
     }

     if (extended != null) {
       strikethrough.setDown(extended.isStrikethrough());
     }
   }
 }
	/*
	* Copyright 2008 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.sample.showcase.client.content.text;

	import com.google.gwt.core.client.GWT;
	import com.google.gwt.event.dom.client.ChangeEvent;
	import com.google.gwt.event.dom.client.ChangeHandler;
	import com.google.gwt.event.dom.client.ClickEvent;
	import com.google.gwt.event.dom.client.ClickHandler;
	import com.google.gwt.event.dom.client.KeyUpEvent;
	import com.google.gwt.event.dom.client.KeyUpHandler;
	import com.google.gwt.i18n.client.Constants;
	import com.google.gwt.resources.client.ClientBundle;
	import com.google.gwt.resources.client.ImageResource;
	import com.google.gwt.user.client.Window;
	import com.google.gwt.user.client.ui.Composite;
	import com.google.gwt.user.client.ui.HorizontalPanel;
	import com.google.gwt.user.client.ui.Image;
	import com.google.gwt.user.client.ui.ListBox;
	import com.google.gwt.user.client.ui.PushButton;
	import com.google.gwt.user.client.ui.RichTextArea;
	import com.google.gwt.user.client.ui.ToggleButton;
	import com.google.gwt.user.client.ui.VerticalPanel;
	import com.google.gwt.user.client.ui.Widget;

	/**
	* A sample toolbar for use with {@link RichTextArea}. It provides a simple UI
	* for all rich text formatting, dynamically displayed only for the available
	* functionality.
	*/
	@SuppressWarnings("deprecation")
	public class RichTextToolbar extends Composite {

	/**
	* This {@link ClientBundle} is used for all the button icons. Using a bundle
	* allows all of these images to be packed into a single image, which saves a
	* lot of HTTP requests, drastically improving startup time.
	*/
	public interface Images extends ClientBundle {

	ImageResource bold();

	ImageResource createLink();

	ImageResource hr();

	ImageResource indent();

	ImageResource insertImage();

	ImageResource italic();

	ImageResource justifyCenter();

	ImageResource justifyLeft();

	ImageResource justifyRight();

	ImageResource ol();

	ImageResource outdent();

	ImageResource removeFormat();

	ImageResource removeLink();

	ImageResource strikeThrough();

	ImageResource subscript();

	ImageResource superscript();

	ImageResource ul();

	ImageResource underline();
	}

	/**
	* This {@link Constants} interface is used to make the toolbar's strings
	* internationalizable.
	*/
	public interface Strings extends Constants {

	String black();

	String blue();

	String bold();

	String color();

	String createLink();

	String font();

	String green();

	String hr();

	String indent();

	String insertImage();

	String italic();

	String justifyCenter();

	String justifyLeft();

	String justifyRight();

	String large();

	String medium();

	String normal();

	String ol();

	String outdent();

	String red();

	String removeFormat();

	String removeLink();

	String size();

	String small();

	String strikeThrough();

	String subscript();

	String superscript();

	String ul();

	String underline();

	String white();

	String xlarge();

	String xsmall();

	String xxlarge();

	String xxsmall();

	String yellow();
	}

	/**
	* We use an inner EventHandler class to avoid exposing event methods on the
	* RichTextToolbar itself.
	*/
	private class EventHandler implements ClickHandler, ChangeHandler,
	KeyUpHandler {

	public void onChange(ChangeEvent event) {
	Widget sender = (Widget) event.getSource();

	if (sender == backColors) {
	basic.setBackColor(backColors.getValue(backColors.getSelectedIndex()));
	backColors.setSelectedIndex(0);
	} else if (sender == foreColors) {
	basic.setForeColor(foreColors.getValue(foreColors.getSelectedIndex()));
	foreColors.setSelectedIndex(0);
	} else if (sender == fonts) {
	basic.setFontName(fonts.getValue(fonts.getSelectedIndex()));
	fonts.setSelectedIndex(0);
	} else if (sender == fontSizes) {
	basic.setFontSize(fontSizesConstants[fontSizes.getSelectedIndex() - 1]);
	fontSizes.setSelectedIndex(0);
	}
	}

	public void onClick(ClickEvent event) {
	Widget sender = (Widget) event.getSource();

	if (sender == bold) {
	basic.toggleBold();
	} else if (sender == italic) {
	basic.toggleItalic();
	} else if (sender == underline) {
	basic.toggleUnderline();
	} else if (sender == subscript) {
	basic.toggleSubscript();
	} else if (sender == superscript) {
	basic.toggleSuperscript();
	} else if (sender == strikethrough) {
	extended.toggleStrikethrough();
	} else if (sender == indent) {
	extended.rightIndent();
	} else if (sender == outdent) {
	extended.leftIndent();
	} else if (sender == justifyLeft) {
	basic.setJustification(RichTextArea.Justification.LEFT);
	} else if (sender == justifyCenter) {
	basic.setJustification(RichTextArea.Justification.CENTER);
	} else if (sender == justifyRight) {
	basic.setJustification(RichTextArea.Justification.RIGHT);
	} else if (sender == insertImage) {
	String url = Window.prompt("Enter an image URL:", "http://");
	if (url != null) {
	extended.insertImage(url);
	}
	} else if (sender == createLink) {
	String url = Window.prompt("Enter a link URL:", "http://");
	if (url != null) {
	extended.createLink(url);
	}
	} else if (sender == removeLink) {
	extended.removeLink();
	} else if (sender == hr) {
	extended.insertHorizontalRule();
	} else if (sender == ol) {
	extended.insertOrderedList();
	} else if (sender == ul) {
	extended.insertUnorderedList();
	} else if (sender == removeFormat) {
	extended.removeFormat();
	} else if (sender == richText) {
	// We use the RichTextArea's onKeyUp event to update the toolbar status.
	// This will catch any cases where the user moves the cursur using the
	// keyboard, or uses one of the browser's built-in keyboard shortcuts.
	updateStatus();
	}
	}

	public void onKeyUp(KeyUpEvent event) {
	Widget sender = (Widget) event.getSource();
	if (sender == richText) {
	// We use the RichTextArea's onKeyUp event to update the toolbar status.
	// This will catch any cases where the user moves the cursur using the
	// keyboard, or uses one of the browser's built-in keyboard shortcuts.
	updateStatus();
	}
	}
	}

	private static final RichTextArea.FontSize[] fontSizesConstants = new RichTextArea.FontSize[] {
	RichTextArea.FontSize.XX_SMALL, RichTextArea.FontSize.X_SMALL,
	RichTextArea.FontSize.SMALL, RichTextArea.FontSize.MEDIUM,
	RichTextArea.FontSize.LARGE, RichTextArea.FontSize.X_LARGE,
	RichTextArea.FontSize.XX_LARGE};

	private Images images = (Images) GWT.create(Images.class);
	private Strings strings = (Strings) GWT.create(Strings.class);
	private EventHandler handler = new EventHandler();

	private RichTextArea richText;
	private RichTextArea.BasicFormatter basic;
	private RichTextArea.ExtendedFormatter extended;

	private VerticalPanel outer = new VerticalPanel();
	private HorizontalPanel topPanel = new HorizontalPanel();
	private HorizontalPanel bottomPanel = new HorizontalPanel();
	private ToggleButton bold;
	private ToggleButton italic;
	private ToggleButton underline;
	private ToggleButton subscript;
	private ToggleButton superscript;
	private ToggleButton strikethrough;
	private PushButton indent;
	private PushButton outdent;
	private PushButton justifyLeft;
	private PushButton justifyCenter;
	private PushButton justifyRight;
	private PushButton hr;
	private PushButton ol;
	private PushButton ul;
	private PushButton insertImage;
	private PushButton createLink;
	private PushButton removeLink;
	private PushButton removeFormat;

	private ListBox backColors;
	private ListBox foreColors;
	private ListBox fonts;
	private ListBox fontSizes;

	/**
	* Creates a new toolbar that drives the given rich text area.
	*
	* @param richText the rich text area to be controlled
	*/
	public RichTextToolbar(RichTextArea richText) {
	this.richText = richText;
	this.basic = richText.getBasicFormatter();
	this.extended = richText.getExtendedFormatter();

	outer.add(topPanel);
	outer.add(bottomPanel);
	topPanel.setWidth("100%");
	bottomPanel.setWidth("100%");

	initWidget(outer);
	setStyleName("gwt-RichTextToolbar");
	richText.addStyleName("hasRichTextToolbar");

	if (basic != null) {
	topPanel.add(bold = createToggleButton(images.bold(), strings.bold()));
	topPanel.add(italic = createToggleButton(images.italic(),
	strings.italic()));
	topPanel.add(underline = createToggleButton(images.underline(),
	strings.underline()));
	topPanel.add(subscript = createToggleButton(images.subscript(),
	strings.subscript()));
	topPanel.add(superscript = createToggleButton(images.superscript(),
	strings.superscript()));
	topPanel.add(justifyLeft = createPushButton(images.justifyLeft(),
	strings.justifyLeft()));
	topPanel.add(justifyCenter = createPushButton(images.justifyCenter(),
	strings.justifyCenter()));
	topPanel.add(justifyRight = createPushButton(images.justifyRight(),
	strings.justifyRight()));
	}

	if (extended != null) {
	topPanel.add(strikethrough = createToggleButton(images.strikeThrough(),
	strings.strikeThrough()));
	topPanel.add(indent = createPushButton(images.indent(), strings.indent()));
	topPanel.add(outdent = createPushButton(images.outdent(),
	strings.outdent()));
	topPanel.add(hr = createPushButton(images.hr(), strings.hr()));
	topPanel.add(ol = createPushButton(images.ol(), strings.ol()));
	topPanel.add(ul = createPushButton(images.ul(), strings.ul()));
	topPanel.add(insertImage = createPushButton(images.insertImage(),
	strings.insertImage()));
	topPanel.add(createLink = createPushButton(images.createLink(),
	strings.createLink()));
	topPanel.add(removeLink = createPushButton(images.removeLink(),
	strings.removeLink()));
	topPanel.add(removeFormat = createPushButton(images.removeFormat(),
	strings.removeFormat()));
	}

	if (basic != null) {
	bottomPanel.add(backColors = createColorList("Background"));
	bottomPanel.add(foreColors = createColorList("Foreground"));
	bottomPanel.add(fonts = createFontList());
	bottomPanel.add(fontSizes = createFontSizes());

	// We only use these handlers for updating status, so don't hook them up
	// unless at least basic editing is supported.
	richText.addKeyUpHandler(handler);
	richText.addClickHandler(handler);
	}
	}

	private ListBox createColorList(String caption) {
	ListBox lb = new ListBox();
	lb.addChangeHandler(handler);
	lb.setVisibleItemCount(1);

	lb.addItem(caption);
	lb.addItem(strings.white(), "white");
	lb.addItem(strings.black(), "black");
	lb.addItem(strings.red(), "red");
	lb.addItem(strings.green(), "green");
	lb.addItem(strings.yellow(), "yellow");
	lb.addItem(strings.blue(), "blue");
	return lb;
	}

	private ListBox createFontList() {
	ListBox lb = new ListBox();
	lb.addChangeHandler(handler);
	lb.setVisibleItemCount(1);

	lb.addItem(strings.font(), "");
	lb.addItem(strings.normal(), "");
	lb.addItem("Times New Roman", "Times New Roman");
	lb.addItem("Arial", "Arial");
	lb.addItem("Courier New", "Courier New");
	lb.addItem("Georgia", "Georgia");
	lb.addItem("Trebuchet", "Trebuchet");
	lb.addItem("Verdana", "Verdana");
	return lb;
	}

	private ListBox createFontSizes() {
	ListBox lb = new ListBox();
	lb.addChangeHandler(handler);
	lb.setVisibleItemCount(1);

	lb.addItem(strings.size());
	lb.addItem(strings.xxsmall());
	lb.addItem(strings.xsmall());
	lb.addItem(strings.small());
	lb.addItem(strings.medium());
	lb.addItem(strings.large());
	lb.addItem(strings.xlarge());
	lb.addItem(strings.xxlarge());
	return lb;
	}

	private PushButton createPushButton(ImageResource img, String tip) {
	PushButton pb = new PushButton(new Image(img));
	pb.addClickHandler(handler);
	pb.setTitle(tip);
	return pb;
	}

	private ToggleButton createToggleButton(ImageResource img, String tip) {
	ToggleButton tb = new ToggleButton(new Image(img));
	tb.addClickHandler(handler);
	tb.setTitle(tip);
	return tb;
	}

	/**
	* Updates the status of all the stateful buttons.
	*/
	private void updateStatus() {
	if (basic != null) {
	bold.setDown(basic.isBold());
	italic.setDown(basic.isItalic());
	underline.setDown(basic.isUnderlined());
	subscript.setDown(basic.isSubscript());
	superscript.setDown(basic.isSuperscript());
	}

	if (extended != null) {
	strikethrough.setDown(extended.isStrikethrough());
	}
	}
	}