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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.texteditor;
import java.util.ResourceBundle;
import org.eclipse.jface.text.IFindReplaceTarget;
import org.eclipse.jface.text.IFindReplaceTargetExtension;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
/**
* An action which enters the incremental find mode like in emacs.
* <p>
* This class may be instantiated; it is not intended to be subclassed.
* </p>
* @since 2.0
* @noextend This class is not intended to be subclassed by clients.
*/
public class IncrementalFindAction extends ResourceAction implements IUpdate {
/** The action's target */
private IFindReplaceTarget fTarget;
/** The part the action is bound to */
private IWorkbenchPart fWorkbenchPart;
/** The workbench window */
private IWorkbenchWindow fWorkbenchWindow;
/**
* The direction to run the incremental find
* @since 2.1
*/
private boolean fForward;
/**
* Creates a new incremental find action for the given workbench part.
* The action configures its visual representation from the given
* resource bundle.
*
* @param bundle the resource bundle
* @param prefix a prefix to be prepended to the various resource keys
* (described in <code>ResourceAction</code> constructor), or
* <code>null</code> if none
* @param workbenchPart the workbench part
* @param forward <code>true</code> if the search direction is forward
* @see ResourceAction#ResourceAction(ResourceBundle, String)
* @since 2.1
*/
public IncrementalFindAction(ResourceBundle bundle, String prefix, IWorkbenchPart workbenchPart, boolean forward) {
super(bundle, prefix);
fWorkbenchPart= workbenchPart;
fForward= forward;
update();
}
/**
* Creates a new incremental find action for the given workbench window.
* The action configures its visual representation from the given
* resource bundle.
*
* @param bundle the resource bundle
* @param prefix a prefix to be prepended to the various resource keys
* (described in <code>ResourceAction</code> constructor), or
* <code>null</code> if none
* @param workbenchWindow the workbench window
* @param forward <code>true</code> if the search direction is forward
* @see ResourceAction#ResourceAction(ResourceBundle, String)
*
* @deprecated use FindReplaceAction(ResourceBundle, String, IWorkbenchPart, boolean) instead
* @since 2.1
*/
@Deprecated
public IncrementalFindAction(ResourceBundle bundle, String prefix, IWorkbenchWindow workbenchWindow, boolean forward) {
super(bundle, prefix);
fWorkbenchWindow= workbenchWindow;
fForward= forward;
update();
}
@Override
public void run() {
if (fTarget == null)
return;
if (fTarget instanceof IncrementalFindTarget)
((IncrementalFindTarget) fTarget).setDirection(fForward);
if (fTarget instanceof IFindReplaceTargetExtension)
((IFindReplaceTargetExtension) fTarget).beginSession();
}
@Override
public void update() {
if (fWorkbenchPart == null && fWorkbenchWindow != null)
fWorkbenchPart= fWorkbenchWindow.getPartService().getActivePart();
if (fWorkbenchPart != null)
fTarget= fWorkbenchPart.getAdapter(IncrementalFindTarget.class);
else
fTarget= null;
setEnabled(fTarget != null && fTarget.canPerformFind());
}
}
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