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/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.actions;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.internal.IWorkbenchHelpContextIds;
import org.eclipse.ui.internal.WorkbenchMessages;
/**
* Action representing a generic import operation.
* <p>
* This class may be instantiated. It is not intended to be subclassed.
* </p>
* <p>
* This method automatically registers listeners so that it can keep its
* enablement state up to date. Ordinarily, the window's references to these
* listeners will be dropped automatically when the window closes. However,
* if the client needs to get rid of an action while the window is still open,
* the client must call IWorkbenchAction#dispose to give the
* action an opportunity to deregister its listeners and to perform any other
* cleanup.
*
* </p>
* <p>
* Note: Despite the name, an import operation can deal with things other than
* resources; the current name was retained for historical reasons.
* </p>
*
* @since 2.0
* @noextend This class is not intended to be subclassed by clients.
*/
public class ImportResourcesAction extends BaseSelectionListenerAction
implements ActionFactory.IWorkbenchAction {
/**
* Reference to the WorkbenchCommandAction that executes the Import Wizard.
*/
private ActionFactory.IWorkbenchAction action;
/**
* The workbench window; or <code>null</code> if this
* action has been <code>dispose</code>d.
*/
private IWorkbenchWindow workbenchWindow;
/**
* Create a new instance of this class.
*
* @param window the window
*/
public ImportResourcesAction(IWorkbenchWindow window) {
super(WorkbenchMessages.ImportResourcesAction_text);
if (window == null) {
throw new IllegalArgumentException();
}
this.workbenchWindow = window;
action = ActionFactory.IMPORT.create(window);
setText(action.getText());
setToolTipText(action.getToolTipText());
setId(action.getId());
setActionDefinitionId(action.getActionDefinitionId());
window.getWorkbench().getHelpSystem().setHelp(this,
IWorkbenchHelpContextIds.IMPORT_ACTION);
setImageDescriptor(action.getImageDescriptor());
}
/**
* Create a new instance of this class
*
* @param workbench the workbench
* @deprecated use the constructor <code>ImportResourcesAction(IWorkbenchWindow)</code>
*/
public ImportResourcesAction(IWorkbench workbench) {
this(workbench.getActiveWorkbenchWindow());
}
/**
* Invoke the Import wizards selection Wizard.
*/
public void run() {
if (workbenchWindow == null) {
// action has been disposed
return;
}
action.run();
}
/**
* Sets the current selection.
* In for backwards compatability. Use selectionChanged() instead.
* @param selection the new selection
* @deprecated
*/
public void setSelection(IStructuredSelection selection) {
selectionChanged(selection);
}
/* (non-Javadoc)
* Method declared on ActionFactory.IWorkbenchAction.
* @since 3.0
*/
public void dispose() {
workbenchWindow = null;
if (action!=null) {
action.dispose();
}
action = null;
}
}
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