/*******************************************************************************
* 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.listeners;
import org.eclipse.jface.fieldassist.ControlDecoration;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Widget;
import hydrograph.ui.common.util.CustomColorRegistry;
import hydrograph.ui.propertywindow.propertydialog.PropertyDialogButtonBar;
import hydrograph.ui.propertywindow.widgets.listeners.ListenerHelper.HelperType;
/**
* The listener interface for receiving ELTFocusOut events. The class that is interested in processing a ELTFocusOut
* event implements this interface, and the object created with that class is registered with a component using the
* component's <code>addELTFocusOutListener<code> method. When
* the ELTFocusOut event occurs, that object's appropriate
* method is invoked.
*
* @see ELTFocusOutEvent
*/
public class ELTFocusOutListener implements IELTListener {
ControlDecoration txtDecorator;
@Override
public int getListenerType() {
return SWT.FocusOut;
}
@Override
public Listener getListener(PropertyDialogButtonBar propertyDialogButtonBar, ListenerHelper helper, Widget... widgets) {
final Widget[] widgetList = widgets;
if (helper != null) {
txtDecorator = (ControlDecoration) helper.get(HelperType.CONTROL_DECORATION);
}
Listener listener = new Listener() {
@Override
public void handleEvent(Event event) {
String charSet = ((Text) widgetList[0]).getText().trim();
if (event.type == SWT.FocusOut) {
if (charSet == null || charSet == "") {
txtDecorator.show();
((Text) widgetList[0]).setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry( 255, 255, 204));
((Text) widgetList[0]).setToolTipText(txtDecorator.getDescriptionText());
} else {
txtDecorator.hide();
((Text) widgetList[0]).setText(charSet.replace("@{", "").replace("}", ""));
((Text) widgetList[0]).setText("@{"+((Text) widgetList[0]).getText()+"}");
((Text) widgetList[0]).setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry( 255, 255, 255));
}
} else {
txtDecorator.hide();
((Text) widgetList[0]).setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry( 255, 255, 255));
}
}
};
return listener;
}
}