/*******************************************************************************
* Copyright (c) 2000, 2005 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.cfeclipse.cfml.editors.actions;
import org.cfeclipse.cfml.CFMLPlugin;
import org.cfeclipse.cfml.editors.CFMLEditor;
import org.cfeclipse.cfml.preferences.EditorPreferenceConstants;
import org.cfeclipse.cfml.preferences.TextSelectionPreferenceConstants;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.TextEditorAction;
/**
* A toolbar action which toggles the {@linkplain org.cfeclipse.cfml.preferences#EDITOR_MARK_OCCURRENCES mark occurrences preference}.
*
* @since 3.1
*/
public class ToggleMarkOccurrencesAction extends TextEditorAction implements IPropertyChangeListener {
private IPreferenceStore fStore;
/**
* Constructs and updates the action.
*/
public ToggleMarkOccurrencesAction() {
super(CFMLPlugin.getDefault().getResourceBundle(), "ToggleMarkOccurrencesAction.", null, IAction.AS_CHECK_BOX); //$NON-NLS-1$
setImageDescriptor(PlatformUI.getWorkbench().getEditorRegistry().getImageDescriptor("icons/obj16/mark_occurrence.gif", null));
setToolTipText("Mark Occurrences"); //$NON-NLS-1$
update();
}
/*
* @see IAction#actionPerformed
*/
public void run() {
fStore.setValue(TextSelectionPreferenceConstants.P_MARK_OCCURRENCES, isChecked());
ITextEditor editor= getTextEditor();
if (editor instanceof CFMLEditor) {
CFMLEditor cfe = (CFMLEditor) editor;
if(isChecked()) {
(cfe).getSelectionCursorListener().updateOccurrenceAnnotations((ITextSelection) cfe.getSelectionProvider().getSelection(), cfe.getCFModel());
} else {
(cfe).getSelectionCursorListener().removeOccurrenceAnnotations();
}
}
}
/*
* @see TextEditorAction#update
*/
public void update() {
ITextEditor editor= getTextEditor();
boolean checked= false;
boolean enabled= false;
if (editor instanceof CFMLEditor) {
checked= ((CFMLEditor)editor).isMarkingOccurrences();
enabled= ((CFMLEditor)editor).getCFModel() != null;
}
setChecked(checked);
setEnabled(enabled);
}
/*
* @see TextEditorAction#setEditor(ITextEditor)
*/
public void setEditor(ITextEditor editor) {
super.setEditor(editor);
if (editor != null) {
if (fStore == null) {
fStore= CFMLPlugin.getDefault().getPreferenceStore();
fStore.addPropertyChangeListener(this);
}
} else if (fStore != null) {
fStore.removePropertyChangeListener(this);
fStore= null;
}
update();
}
/*
* @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent event) {
if (event.getProperty().equals(TextSelectionPreferenceConstants.P_MARK_OCCURRENCES))
setChecked(Boolean.valueOf(event.getNewValue().toString()).booleanValue());
}
}