/*
* Sun Public License Notice
*
* The contents of this file are subject to the Sun Public License
* Version 1.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://www.sun.com/
*
* The Original Code is NetBeans. The Initial Developer of the Original
* Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
* Microsystems, Inc. All Rights Reserved.
*/
package org.openide.actions;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.openide.LifecycleManager;
import org.openide.loaders.DataObject;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.WeakListener;
import org.openide.util.actions.CallableSystemAction;
/** Save all open objects.
* This class is final only for performance reasons.
* @see DataObject#getRegistry
* @see LifecycleManager#saveAll
*
* @author Jan Jancura, Ian Formanek
*/
public final class SaveAllAction extends CallableSystemAction {
/** generated Serialized Version UID */
static final long serialVersionUID = 7654588299199250931L;
/** Reference to the change listener
* (we treat it weakly, so we have to to prevent it from
* being finalized before finalization of this action) */
private ChangeListener chl;
/* Creates new HashMap and inserts some properties to it.
* @return the hash map
*/
protected void initialize () {
super.initialize ();
// false by default
putProperty (PROP_ENABLED, Boolean.FALSE);
// listen to the changes
chl = new ModifiedListL();
DataObject.getRegistry().addChangeListener(
(ChangeListener)(WeakListener.change(chl, DataObject.getRegistry ())));
}
/* Human presentable name of the action. This should be
* presented as an item in a menu.
* @return the name of the action
*/
public String getName() {
return NbBundle.getMessage(SaveAllAction.class, "SaveAll");
}
/* Help context where to find more about the action.
* @return the help context for this action
*/
public HelpCtx getHelpCtx() {
return new HelpCtx (SaveAllAction.class);
}
/* Icon resource.
* @return name of resource for icon
*/
protected String iconResource () {
return "org/openide/resources/actions/saveAll.gif"; // NOI18N
}
/* Saves all. */
public void performAction() {
LifecycleManager.getDefault().saveAll();
}
/* Listens to the chnages in list of modified data objects
* and enables / disables this action appropriately */
final class ModifiedListL implements ChangeListener {
public void stateChanged(final ChangeEvent evt) {
setEnabled(((java.util.Set)evt.getSource()).size() > 0);
}
} // end of ModifiedListL inner class
}