/*******************************************************************************
 * Copyright (c) 2001, 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
 *     Jens Lukowski/Innoopract - initial renaming/restructuring
 *     
 *******************************************************************************/
package org.eclipse.wst.sse.ui.internal;


import java.text.MessageFormat;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.eclipse.ui.plugin.AbstractUIPlugin;
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.sse.ui.taginfo.TextHoverManager;


public class SSEUIPlugin extends AbstractUIPlugin {

	public final static String ID = "org.eclipse.wst.sse.ui"; //$NON-NLS-1$

	static SSEUIPlugin instance = null;
	//Resource bundle.
	private ResourceBundle resourceBundle;
	private static final String KEY_PREFIX = "%"; //$NON-NLS-1$
	private static final String KEY_DOUBLE_PREFIX = "%%"; //$NON-NLS-1$	

	public static SSEUIPlugin getDefault() {
		return instance;
	}

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

	private TextHoverManager fTextHoverManager;

	public SSEUIPlugin() {
		super();
		instance = this;
	}

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

	}

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

	}

	/**
	 * Return text hover manager
	 * 
	 * @return TextHoverManager
	 */
	public TextHoverManager getTextHoverManager() {
		if (fTextHoverManager == null) {
			fTextHoverManager = new TextHoverManager();
		}
		return fTextHoverManager;
	}

	/**
	 * Returns the string from the plugin's resource bundle,
	 * or 'key' if not found.
	 */
	public static String getResourceString(String value) {
		String s = value.trim();
		if (!s.startsWith(KEY_PREFIX, 0))
			return s;
		if (s.startsWith(KEY_DOUBLE_PREFIX, 0))
			return s.substring(1);

		int ix = s.indexOf(' ');
		String key = ix == -1 ? s : s.substring(0, ix);

		ResourceBundle bundle = getDefault().getResourceBundle();
		try {
			return (bundle != null) ? bundle.getString(key.substring(1)) : key;
		} catch (MissingResourceException e) {
			return key;
		}
	}

	public static String getResourceString(String key, Object[] args) {

		try {
			return MessageFormat.format(getResourceString(key), args);
		} catch (IllegalArgumentException e) {
			return getResourceString(key);
		}

	}

	/**
	 * Returns the plugin's resource bundle,
	 */
	public ResourceBundle getResourceBundle() {
		try {
			if (resourceBundle == null)
				resourceBundle = ResourceBundle.getBundle("org.eclipse.wst.sse.ui.internal.SSEUIPluginResources");
		} catch (MissingResourceException x) {
			resourceBundle = null;
		}
		return resourceBundle;
	}
}