/*
 * Copyright (c) 2004 Christopher Lenz 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:
 *     Christopher Lenz - initial implementation
 * 
 * $Id: HTMLEditor.java,v 1.1 2004-09-02 18:25:05 jsurfer Exp $
 */

package net.sourceforge.phpdt.smarty.ui.internal.editor;

import java.net.MalformedURLException;
import java.net.URL;

import net.sourceforge.phpdt.smarty.ui.internal.preview.HTMLPreviewPage;
import net.sourceforge.phpdt.smarty.ui.internal.text.HTMLConfiguration;
import net.sourceforge.phpeclipse.ui.views.preview.IBrowserPreviewPage;
import net.sourceforge.phpeclipse.xml.ui.XMLPlugin;
import net.sourceforge.phpeclipse.xml.ui.internal.editor.XMLDocumentProvider;
import net.sourceforge.phpeclipse.xml.ui.internal.editor.XMLEditor;
import net.sourceforge.phpeclipse.xml.ui.text.XMLTextTools;

import org.eclipse.core.resources.IFile;
import org.eclipse.jface.action.IAction;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.texteditor.ContentAssistAction;
import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;


/**
 * HTML editor implementation.
 */
public class HTMLEditor extends XMLEditor {

	// Instance Variables ------------------------------------------------------
	
	/** The associated preview page. */
	private HTMLPreviewPage previewPage;

	// XMLEditor Implementation ------------------------------------------------

	/* 
	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#editorSaved()
	 */
	protected void editorSaved() {
		if (previewPage != null) {
			previewPage.update();
		}
	}

	/* 
	 * @see org.eclipse.core.runtime.IAdaptable#getAdapter(Class)
	 */
	public Object getAdapter(Class adapter) {
		if (adapter == IBrowserPreviewPage.class) {
			if (previewPage == null) {
				previewPage = createPreviewPage();
			}
			return previewPage;
		}
		return super.getAdapter(adapter);
	}

	// Private Methods ---------------------------------------------------------

	/**
	 * Creates the HTML preview page.
	 */
	private HTMLPreviewPage createPreviewPage() {
		IEditorInput input = getEditorInput();
		if (input instanceof IFileEditorInput) {
			IFile file = ((IFileEditorInput) input).getFile();
			try {
				URL location = file.getLocation().toFile().toURL();
				return new HTMLPreviewPage(location);
			} catch (MalformedURLException e) { }
		}
		return null;
	}
	protected void createActions() {
		super.createActions();

		IAction action = new ContentAssistAction(HTMLEditorMessages.getResourceBundle(),
	        "ContentAssistProposal.", this); //$NON-NLS-1$
	    action
	        .setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
	    setAction("ContentAssistProposal", action); //$NON-NLS-1$
	    markAsStateDependentAction("ContentAssistProposal", true); //$NON-NLS-1$
	    
//		IAction action= new TextOperationAction(
//				TemplateMessages.getResourceBundle(),
//				"Editor." + TEMPLATE_PROPOSALS + ".", //$NON-NLS-1$ //$NON-NLS-2$
//				this,
//				ISourceViewer.CONTENTASSIST_PROPOSALS);
//		action.setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
//		setAction(TEMPLATE_PROPOSALS, action);
//		markAsStateDependentAction(TEMPLATE_PROPOSALS, true);
	}
	/*
	 * @see org.eclipse.ui.editors.text.TextEditor#initializeEditor()
	 */
	protected void initializeEditor() {
		super.initializeEditor();

		XMLTextTools xmlTextTools = XMLPlugin.getDefault().getXMLTextTools();
		setSourceViewerConfiguration(new HTMLConfiguration(xmlTextTools, this));
		setDocumentProvider(new XMLDocumentProvider());
	}
}