/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package net.sourceforge.phpeclipse.phpeditor;

import java.util.ResourceBundle;

import net.sourceforge.phpdt.internal.ui.IJavaHelpContextIds;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.VerticalRulerEvent;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;
import org.eclipse.ui.texteditor.IUpdate;
import org.eclipse.ui.texteditor.SelectAnnotationRulerAction;

// import net.sourceforge.phpdt.internal.ui.IJavaHelpContextIds;
// import
// net.sourceforge.phpdt.internal.ui.text.correction.JavaCorrectionProcessor;
// import
// net.sourceforge.phpdt.internal.ui.text.correction.QuickAssistLightBulbUpdater.AssistAnnotation;
// import net.sourceforge.phpdt.internal.ui.text.java.hover.JavaExpandHover;

/**
 * A special select marker ruler action which activates quick fix if clicked on
 * a quick fixable problem.
 */
public class JavaSelectMarkerRulerAction2 extends SelectAnnotationRulerAction {

	public JavaSelectMarkerRulerAction2(ResourceBundle bundle, String prefix,
			ITextEditor editor) {
		super(bundle, prefix, editor);
		PlatformUI.getWorkbench().getHelpSystem().setHelp(this,
				IJavaHelpContextIds.JAVA_SELECT_MARKER_RULER_ACTION);
	}

	/*
	 * @see org.eclipse.ui.texteditor.IVerticalRulerListener#annotationDefaultSelected(org.eclipse.ui.texteditor.VerticalRulerEvent)
	 */
	public void annotationDefaultSelected(VerticalRulerEvent event) {
		Annotation annotation = event.getSelectedAnnotation();
		IAnnotationModel model = getAnnotationModel();

		// if (isOverrideIndicator(annotation)) {
		// ((OverrideIndicatorManager.OverrideIndicator)annotation).open();
		// return;
		// }

		if (isBreakpoint(annotation))
			triggerAction(ITextEditorActionConstants.RULER_DOUBLE_CLICK);

		Position position = model.getPosition(annotation);
		if (position == null)
			return;

		// if (isQuickFixTarget(annotation)) {
		// ITextOperationTarget operation= (ITextOperationTarget)
		// getTextEditor().getAdapter(ITextOperationTarget.class);
		// final int opCode= PHPUnitEditor.CORRECTIONASSIST_PROPOSALS;
		// if (operation != null && operation.canDoOperation(opCode)) {
		// getTextEditor().selectAndReveal(position.getOffset(),
		// position.getLength());
		// operation.doOperation(opCode);
		// return;
		// }
		// }

		// default:
		super.annotationDefaultSelected(event);
	}

	/**
	 * Tells whether the given annotation is an override annotation.
	 * 
	 * @param annotation
	 *            the annotation
	 * @return <code>true</code> iff the annotation is an override annotation
	 */
	private boolean isOverrideIndicator(Annotation annotation) {
		return false; // annotation instanceof
						// OverrideIndicatorManager.OverrideIndicator;
	}

	/**
	 * @param annotation
	 * @return
	 */
	private boolean isBreakpoint(Annotation annotation) {
		return annotation.getType().equals("org.eclipse.debug.core.breakpoint");
		// ||
		// annotation.getType().equals(JavaExpandHover.NO_BREAKPOINT_ANNOTATION);
		// //$NON-NLS-1$

	}

	private boolean isQuickFixTarget(Annotation a) {
		return false; // JavaCorrectionProcessor.hasCorrections(a) || a
						// instanceof AssistAnnotation;
	}

	private void triggerAction(String actionID) {
		IAction action = getTextEditor().getAction(actionID);
		if (action != null) {
			if (action instanceof IUpdate)
				((IUpdate) action).update();
			// hack to propagate line change
			if (action instanceof ISelectionListener) {
				((ISelectionListener) action).selectionChanged(null, null);
			}
			if (action.isEnabled())
				action.run();
		}
	}

}
