Source Code : Using Canvas to hold Layout managers (Smart GWT)

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Using Canvas to hold Layout managers (Smart GWT)

   
/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

package com.smartgwt.sample.showcase.client;


import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Label;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VLayout;

public class Showcase implements EntryPoint{

    public void onModuleLoad() {
       RootPanel.get().add(getViewPanel());
    }
    public Canvas getViewPanel() {
      HLayout layout = new HLayout();
      layout.setWidth100();
      layout.setHeight100();
      layout.setMembersMargin(20);

      VLayout vLayout = new VLayout();
      vLayout.setShowEdges(true);
      vLayout.setWidth(150);
      vLayout.setMembersMargin(5);
      vLayout.setLayoutMargin(10);
      vLayout.addMember(new BlueBox(null, 50, "height 50"));
      vLayout.addMember(new BlueBox((String) null, "*", "height *"));
      vLayout.addMember(new BlueBox((String) null, "30%", "height 30%"));
      layout.addMember(vLayout);

      HLayout hLayout = new HLayout();
      hLayout.setShowEdges(true);
      hLayout.setHeight(150);
      hLayout.setMembersMargin(5);
      hLayout.setLayoutMargin(10);
      hLayout.addMember(new BlueBox(50, (Integer) null, "width 50"));
      hLayout.addMember(new BlueBox("*", null, "width *"));
      hLayout.addMember(new BlueBox("30%", null, "width 30%"));
      layout.addMember(hLayout);

      return layout;
  }

    class BlueBox extends Label {

        public BlueBox(String contents) {
            setAlign(Alignment.CENTER);
            setBorder("1px solid #808080");
            setBackgroundColor("lightblue");
            setContents(contents);
        }

        public BlueBox(Integer width, Integer height, String contents) {
            this(contents);
            if (width != null) setWidth(width);
            if (height != null) setHeight(height);
        }

        public BlueBox(Integer width, String height, String contents) {
            this(contents);
            if (width != null) setWidth(width);
            if (height != null) setHeight(height);
        }

        public BlueBox(String width, String height, String contents) {
            this(contents);
            if (width != null) setWidth(width);
            if (height != null) setHeight(height);
        }
    }
}

   
    
    
  

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