Change listener for CheckBoxItem (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.util.SC;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.ButtonItem;
import com.smartgwt.client.widgets.form.fields.CheckboxItem;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.form.fields.events.ChangeEvent;
import com.smartgwt.client.widgets.form.fields.events.ChangeHandler;
import com.smartgwt.client.widgets.form.fields.events.ClickEvent;
import com.smartgwt.client.widgets.form.fields.events.ClickHandler;
public class Showcase implements EntryPoint {
public void onModuleLoad() {
RootPanel.get().add(getViewPanel());
}
public Canvas getViewPanel() {
final DynamicForm form = new DynamicForm();
form.setWidth(300);
TextItem fullName = new TextItem();
fullName.setName("fullName");
fullName.setTitle("Full Name");
fullName.setDefaultValue("Billy Bob");
final ButtonItem buttonItem = new ButtonItem();
buttonItem.setName("proceed");
buttonItem.setTitle("Proceed");
buttonItem.setDisabled(true);
buttonItem.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
SC.say("OK");
}
});
CheckboxItem licenseAccept = new CheckboxItem();
licenseAccept.setName("licenseAccept");
licenseAccept.setTitle("I accept the agreement");
licenseAccept.setValue(false);
licenseAccept.addChangeHandler(new ChangeHandler() {
public void onChange(ChangeEvent event) {
buttonItem.setDisabled(!((Boolean) event.getValue()));
}
});
form.setFields(fullName, licenseAccept, buttonItem);
return form;
}
}
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