/*******************************************************************************
* Copyright 2017 Capital One Services, LLC and Bitwise, 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 hydrograph.ui.propertywindow.widgets.dialog.hiveInput;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Control;
/**
* The class is responsible for calling SingleCLick listener property.
*
* @author Bitwise
*
*/
public class SingleClickEvent extends MouseAdapter {
public static final int LEFT_BUTTON = 1;
private final Runnable action;
private static Boolean armed;
public SingleClickEvent(Runnable action) {
this.action = action;
}
@Override
public void mouseUp(MouseEvent event) {
if (armed && inRange(event)) {
action.run();
}
armed = false;
}
@Override
public void mouseDown(MouseEvent event) {
if (event.button == LEFT_BUTTON) {
armed = true;
}
}
private static boolean inRange(MouseEvent event) {
Point size = ((Control) event.widget).getSize();
return event.x >= 0 && event.x <= size.x && event.y >= 0 && event.y <= size.y;
}
}