/*******************************************************************************
 * Copyright (c) 2004 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.html.ui;

import java.io.IOException;

import org.eclipse.core.runtime.IPluginDescriptor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.templates.ContextTypeRegistry;
import org.eclipse.jface.text.templates.persistence.TemplateStore;
import org.eclipse.ui.editors.text.templates.ContributionContextTypeRegistry;
import org.eclipse.ui.editors.text.templates.ContributionTemplateStore;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.wst.common.encoding.content.IContentTypeIdentifier;
import org.eclipse.wst.html.ui.internal.Logger;
import org.eclipse.wst.html.ui.style.IStyleConstantsHTML;
import org.eclipse.wst.html.ui.templates.TemplateContextTypeHTML;
import org.eclipse.wst.html.ui.templates.TemplateContextTypeHTMLAttribute;
import org.eclipse.wst.html.ui.templates.TemplateContextTypeHTMLAttributeValue;
import org.eclipse.wst.html.ui.templates.TemplateContextTypeHTMLTag;
import org.eclipse.wst.sse.ui.EditorPlugin;
import org.eclipse.wst.sse.ui.preferences.CommonEditorPreferenceNames;
import org.eclipse.wst.sse.ui.preferences.PreferenceKeyGenerator;
import org.eclipse.wst.sse.ui.preferences.ui.ColorHelper;
import org.eclipse.wst.sse.ui.registry.AdapterFactoryRegistry;
import org.eclipse.wst.sse.ui.registry.AdapterFactoryRegistryImpl;
import org.eclipse.wst.sse.ui.registry.embedded.EmbeddedAdapterFactoryRegistryImpl;
import org.eclipse.wst.xml.ui.style.IStyleConstantsXML;


/**
 * The main plugin class to be used in the desktop.
 */
public class HTMLEditorPlugin extends AbstractUIPlugin {
	public final static String ID = "org.eclipse.wst.html.ui"; //$NON-NLS-1$

	protected static HTMLEditorPlugin instance = null;
	
	/**
	 * The template store for the html editor. 
	 */
	private TemplateStore fTemplateStore;
	
	/** 
	 * The template context type registry for the html editor. 
	 */
	private ContextTypeRegistry fContextTypeRegistry;

	public HTMLEditorPlugin(IPluginDescriptor descriptor) {
		super(descriptor);
		instance = this;

		// Force a call to initialize default preferences since
		// initializeDefaultPreferences is only called if *this* plugin's
		// preference store is accessed
		initializeDefaultHTMLPreferences(((AbstractUIPlugin)Platform.getPlugin(EditorPlugin.ID)).getPreferenceStore());
	}

	public static HTMLEditorPlugin getDefault() {
		return instance;
	}

	public synchronized static HTMLEditorPlugin getInstance() {
		return instance;
	}

	public AdapterFactoryRegistry getAdapterFactoryRegistry() {
		return AdapterFactoryRegistryImpl.getInstance();

	}

	public AdapterFactoryRegistry getEmbeddedAdapterFactoryRegistry() {
		return EmbeddedAdapterFactoryRegistryImpl.getInstance();

	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeDefaultPluginPreferences()
	 */
	protected void initializeDefaultPreferences(IPreferenceStore store) {
		
		// ignore this preference store
		// use EditorPlugin preference store
		IPreferenceStore editorStore = ((AbstractUIPlugin)Platform.getPlugin(EditorPlugin.ID)).getPreferenceStore();
		initializeDefaultHTMLPreferences(editorStore);
	}

	protected void initializeDefaultHTMLPreferences(IPreferenceStore store) {
		String ctId = IContentTypeIdentifier.ContentTypeID_HTML;

		store.setDefault(PreferenceKeyGenerator.generateKey(CommonEditorPreferenceNames.CONTENT_ASSIST_SUPPORTED, ctId), true);
		store.setDefault(PreferenceKeyGenerator.generateKey(CommonEditorPreferenceNames.AUTO_PROPOSE, ctId), true);
		store.setDefault(PreferenceKeyGenerator.generateKey(CommonEditorPreferenceNames.AUTO_PROPOSE_CODE, ctId), CommonEditorPreferenceNames.LT);

		store.setDefault(PreferenceKeyGenerator.generateKey(CommonEditorPreferenceNames.EDITOR_VALIDATION_METHOD, ctId), CommonEditorPreferenceNames.EDITOR_VALIDATION_WORKBENCH_DEFAULT); //$NON-NLS-1$
		store.setDefault(PreferenceKeyGenerator.generateKey(CommonEditorPreferenceNames.EDITOR_USE_INFERRED_GRAMMAR, ctId), true);
		
		// HTML Style Preferences
		String NOBACKGROUNDBOLD = " | null | false";   //$NON-NLS-1$
		String styleValue = ColorHelper.getColorString(127, 0, 127) + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.TAG_ATTRIBUTE_NAME, ctId), styleValue);
		
		styleValue = ColorHelper.getColorString(42, 0, 255)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.TAG_ATTRIBUTE_VALUE, ctId), styleValue);
		
		styleValue = "null" + NOBACKGROUNDBOLD;  //$NON-NLS-1$
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.TAG_ATTRIBUTE_EQUALS, ctId), styleValue); // specified value is black; leaving as widget default
		
		styleValue = ColorHelper.getColorString(63, 95, 191)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.COMMENT_BORDER, ctId), styleValue);
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.COMMENT_TEXT, ctId), styleValue);
		
		styleValue = ColorHelper.getColorString(0, 128, 128)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.DECL_BORDER, ctId), styleValue);

		styleValue = ColorHelper.getColorString(0, 0, 128)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.DOCTYPE_NAME, ctId), styleValue);
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.DOCTYPE_EXTERNAL_ID_PUBREF, ctId), styleValue);
		
		styleValue = ColorHelper.getColorString(128, 128, 128)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.DOCTYPE_EXTERNAL_ID, ctId), styleValue);

		styleValue = ColorHelper.getColorString(63, 127, 95)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.DOCTYPE_EXTERNAL_ID_SYSREF, ctId), styleValue);

		styleValue = "null" + NOBACKGROUNDBOLD;	//$NON-NLS-1$
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.XML_CONTENT, ctId), styleValue);	// specified value is black; leaving as widget default

		styleValue = ColorHelper.getColorString(0, 128, 128)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.TAG_BORDER, ctId), styleValue);
		
		styleValue = ColorHelper.getColorString(63, 127, 127)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.TAG_NAME, ctId), styleValue);
		
		styleValue = ColorHelper.getColorString(0, 128, 128)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.PI_BORDER, ctId), styleValue);
 
		styleValue = "null" + NOBACKGROUNDBOLD;	//$NON-NLS-1$
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.PI_CONTENT, ctId), styleValue);	// specified value is black; leaving as widget default

		styleValue = ColorHelper.getColorString(0, 128, 128)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.CDATA_BORDER, ctId), styleValue);
		
		styleValue = ColorHelper.getColorString(0, 0, 0)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsXML.CDATA_TEXT, ctId), styleValue);
		
		styleValue = ColorHelper.getColorString(191, 95, 63)  + NOBACKGROUNDBOLD;
		store.setDefault(PreferenceKeyGenerator.generateKey(IStyleConstantsHTML.SCRIPT_AREA_BORDER, ctId), styleValue);
	}
	
	/**
	 * Returns the template store for the html editor templates.
	 * 
	 * @return the template store for the html editor templates
	 */
	public TemplateStore getTemplateStore() {
		if (fTemplateStore == null) {
			fTemplateStore= new ContributionTemplateStore(getTemplateContextRegistry(), getPreferenceStore(), CommonEditorPreferenceNames.TEMPLATES_KEY);

			try {
				fTemplateStore.load();
			} catch (IOException e) {
				Logger.logException(e);
			}
		}		
		return fTemplateStore;
	}
	
	/**
	 * Returns the template context type registry for the html plugin.
	 * 
	 * @return the template context type registry for the html plugin
	 */
	public ContextTypeRegistry getTemplateContextRegistry() {
		if (fContextTypeRegistry == null) {
			fContextTypeRegistry= new ContributionContextTypeRegistry();
			
			fContextTypeRegistry.addContextType(new TemplateContextTypeHTML());
			fContextTypeRegistry.addContextType(new TemplateContextTypeHTMLTag());
			fContextTypeRegistry.addContextType(new TemplateContextTypeHTMLAttribute());
			fContextTypeRegistry.addContextType(new TemplateContextTypeHTMLAttributeValue());
		}

		return fContextTypeRegistry;
	}
}