Source Code : Set busy status for Status control (Ext GWT)

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Set busy status for Status control (Ext GWT)

 
/*
 * Ext GWT - Ext for GWT
 * Copyright(c) 2007-2009, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */
package com.google.gwt.sample.hello.client;

import com.extjs.gxt.ui.client.event.BaseEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.FieldEvent;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.util.DelayedTask;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.Status;
import com.extjs.gxt.ui.client.widget.form.FormPanel;
import com.extjs.gxt.ui.client.widget.form.TextArea;
import com.extjs.gxt.ui.client.widget.layout.FlowLayout;
import com.extjs.gxt.ui.client.widget.layout.FormData;
import com.extjs.gxt.ui.client.widget.toolbar.FillToolItem;
import com.extjs.gxt.ui.client.widget.toolbar.LabelToolItem;
import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.RootPanel;

public class Hello implements EntryPoint {

  public void onModuleLoad() {

    RootPanel.get().add(new StatusToolBarExample());

  }
}
class StatusToolBarExample extends LayoutContainer {
  private DelayedTask task = new DelayedTask(new Listener<BaseEvent>() {

    public void handleEvent(BaseEvent be) {
      status.clearStatus("Not writing");
    }

  });

  private Status charCount;
  private Status wordCount;
  private Status status;

  @Override
  protected void onRender(Element parent, int pos) {
    super.onRender(parent, pos);
    setLayout(new FlowLayout(10));

    ToolBar toolBar = new ToolBar();

    status = new Status();
    status.setText("Not writing");
    status.setWidth(150);
    toolBar.add(status);
    toolBar.add(new FillToolItem());

    charCount = new Status();
    charCount.setWidth(100);
    charCount.setText("0 Chars");
    charCount.setBox(true);
    toolBar.add(charCount);
    toolBar.add(new LabelToolItem("&nbsp;"));
    wordCount = new Status();
    wordCount.setWidth(100);
    wordCount.setText("0 Words");
    wordCount.setBox(true);
    toolBar.add(wordCount);

    FormPanel form = new FormPanel();
    form.setHeading("Status Toolbar");
    form.setSize(450, 300);
    form.setPadding(5);
    form.setBottomComponent(toolBar);
    TextArea textArea = new TextArea();
    textArea.setHideLabel(true);
    textArea.addListener(Events.OnKeyPress, new Listener<FieldEvent>() {

      public void handleEvent(FieldEvent be) {
        status.setBusy("writing...");
        TextArea t = (TextArea) be.getField();
        String value = t.getValue();
        int length = value != null ? value.length() : 0;
        charCount.setText(length + (length == 1 ? " Char" : " Chars"));

        if (value != null) {
          int wc = getWordCount(value);
          wordCount.setText(wc + (wc == 1 ? " Word" : " Words"));
        }

        task.delay(1000);
      }

    });
    form.add(textArea, new FormData("100% 100%"));
    add(form);
  }

  public native int getWordCount(String v) /*-{
    if(v) {
    var wc = v.match(//g);
    return wc ? wc.length/2:0;
    }
    return 0;
  }-*/;

}

   
  

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