at.spardat.xma.page.EventAdapter Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2003, 2007 s IT Solutions AT Spardat GmbH .
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* s IT Solutions AT Spardat GmbH - initial API and implementation
*******************************************************************************/
package at.spardat.xma.page;
import org.eclipse.swt.*;
import org.eclipse.swt.events.*;
/**
* Adapter for SWT-Events
* It forwards all supported Events to the PageClient.
* It is used to prevent the event-Methods from appearing in the public interface
* of PageClient.
*
* @author s2877
*/
public class EventAdapter implements SelectionListener, ModifyListener, VerifyListener, FocusListener, HelpListener, TreeListener {
/** the page this adapter belongs to */
PageClient page;
/**
* Constructor for EventAdapter.
*/
public EventAdapter(PageClient page) {
this.page=page;
}
/**
* Eventhandler called by SWT every time, a List, Table or Tree
* on the PageClient gets selected.
*
* @param event the SWT-Event that happended.
*/
public void widgetSelected(SelectionEvent event) {
page.widgetEvent(event,SWT.Selection);
}
/**
* Eventhandler called by SWT every time, a List, Table or Tree
* on the PageClient receives a double-click.
*
* @param event the SWT-Event that happended.
*/
public void widgetDefaultSelected(SelectionEvent event) {
page.widgetEvent(event,SWT.DefaultSelection);
}
/**
* Eventhandler called by SWT every time, the contents of a Text on
* the PageClient will be modified. This happens on every Keystroke delivered to such a Control.
* The Event is delivered bevor the change takes place. The Eventhandler may prevent
* the change from actually taking place.
*
* @param event the SWT-Event that happended.
*/
public void verifyText(VerifyEvent event) {
page.widgetEvent(event,SWT.Verify);
}
/**
* Eventhandler called by SWT every time, the contents of a Text or Combo on
* the PageClient was modified. This happens on every Keystroke delivered to such a Control.
*
* @param event the SWT-Event that happended.
*/
public void modifyText(ModifyEvent event) {
page.widgetEvent(event,SWT.Modify);
}
/**
* Eventhandler called by SWT every time, a Control on the PageClient
* gets the focus. Only the Message in the StatusBar is updated.
*
* @param event the SWT-Event that happended.
*/
public void focusGained(FocusEvent event) {
page.focusEvent(event,SWT.FocusIn);
}
/**
* Eventhandler called by SWT every time, a Control on the PageClient
* has lost the focus.
*
* @param event the SWT-Event that happended.
*/
public void focusLost(FocusEvent event) {
page.focusEvent(event,SWT.FocusOut);
}
/**
* Eventhandler called by SWT every time, help is requested for a Control.
*
* @param event the SWT-Event that happended.
*/
public void helpRequested(HelpEvent event) {
page.helpEvent(event,SWT.Help);
}
/**
* Eventhandler called by SWT every time, a TreeNode on
* the PageClient was modified. Sent when a tree branch is collapsed.
*
* @param event the SWT-Event that happended.
*/
public void treeCollapsed(TreeEvent event) {
page.widgetEvent(event,SWT.Collapse);
}
/**
* Eventhandler called by SWT every time, a TreeNode on
* the PageClient was modified. Sent when a tree branch is expanded.
*
* @param event the SWT-Event that happended.
*/
public void treeExpanded(TreeEvent event) {
page.widgetEvent(event,SWT.Expand);
}
}