com.google.gwt.user.client.ui.FocusListenerCollection Maven / Gradle / Ivy
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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
/*
* Copyright 2007 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.user.client.ui;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import java.util.ArrayList;
/**
* A helper class for implementers of the
* {@link com.google.gwt.user.client.ui.SourcesFocusEvents} interface. This
* subclass of {@link ArrayList} assumes that all objects added to it will be of
* type {@link com.google.gwt.user.client.ui.FocusListener}
*
* @deprecated Widgets should now manage their own handlers via {@link Widget#addDomHandler}
*/
@Deprecated
public class FocusListenerCollection extends ArrayList {
/**
* Fires a focus event to all listeners.
*
* @param sender the widget sending the event.
*/
public void fireFocus(Widget sender) {
for (FocusListener listener : this) {
listener.onFocus(sender);
}
}
/**
* A helper for widgets that source focus events.
*
* @param sender the widget sending the event.
* @param event the {@link Event DOM event} received by the widget.
*/
public void fireFocusEvent(Widget sender, Event event) {
switch (DOM.eventGetType(event)) {
case Event.ONFOCUS:
fireFocus(sender);
break;
case Event.ONBLUR:
fireLostFocus(sender);
break;
}
}
/**
* Fires a lost-focus event to all listeners.
*
* @param sender the widget sending the event.
*/
public void fireLostFocus(Widget sender) {
for (FocusListener listener : this) {
listener.onLostFocus(sender);
}
}
}