/*******************************************************************************
 * Copyright (c) 2007 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.wst.jsdt.web.ui.internal.hyperlink;

import java.io.File;

import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.wst.html.ui.internal.HTMLUIMessages;
import org.eclipse.wst.jsdt.web.ui.internal.Logger;

/**
*

* Provisional API: This class/interface is part of an interim API that is still under development and expected to
* change significantly before reaching stability. It is being made available at this early stage to solicit feedback
* from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
* (repeatedly) as the API evolves.
*/
class ExternalFileHyperlink implements IHyperlink {
	// copies of this class exist in:
	// org.eclipse.wst.xml.ui.internal.hyperlink
	// org.eclipse.wst.html.ui.internal.hyperlink
	// org.eclipse.wst.jsdt.web.ui.internal.hyperlink
	private File fHyperlinkFile;
	private IRegion fHyperlinkRegion;
	
	public ExternalFileHyperlink(IRegion region, File file) {
		fHyperlinkFile = file;
		fHyperlinkRegion = region;
	}
	
	public IRegion getHyperlinkRegion() {
		return fHyperlinkRegion;
	}
	
	public String getHyperlinkText() {
		String path = fHyperlinkFile.getPath();
		if (path.length() > 60) {
			path = path.substring(0, 25) + "..." + path.substring(path.length() - 25, path.length());
		}
		return NLS.bind(HTMLUIMessages.Open, path);
	}
	
	public String getTypeLabel() {
		return null;
	}
	
	public void open() {
		if (fHyperlinkFile != null) {
			IEditorInput input = new ExternalFileEditorInput(fHyperlinkFile);
			IEditorDescriptor descriptor;
			try {
				descriptor = IDE.getEditorDescriptor(input.getName(), true);
				if (descriptor != null) {
					IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
					IDE.openEditor(page, input, descriptor.getId(), true);
				}
			} catch (PartInitException e) {
				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
			}
		}
	}
}