/*
 * Copyright 2010 Daniel Kurka
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.googlecode.mgwt.ui.client.dialog;

import java.util.Iterator;

import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.Widget;
import com.googlecode.mgwt.ui.client.MGWTStyle;
import com.googlecode.mgwt.ui.client.theme.base.DialogCss;

/**
 * A simple options dialog
 *
 * This dialog should offer a number of choises, represented by a number of
 * buttons
 *
 * @author Daniel Kurka
 */
public class OptionsDialog implements HasWidgets, Dialog {

	private SlideUpPanel slideUpPanel;
	private FlowPanel container;

	/**
	 * Construct an OptionDialog
	 */
	public OptionsDialog() {
        this(MGWTStyle.getTheme().getMGWTClientBundle().getDialogCss());
	}

	/**
	 * Construct an OptionDialog with a css class
	 *
	 * @param css the css class to use
	 */
	public OptionsDialog(DialogCss css) {
		css.ensureInjected();
		slideUpPanel = new SlideUpPanel();
		container = new FlowPanel();
		container.addStyleName(css.getBottomPanel());
		slideUpPanel.add(container);

	}

	/*
	 * (non-Javadoc)
	 * @see com.google.gwt.user.client.ui.HasWidgets#add(com.google.gwt.user.client.ui.Widget)
	 */
	/** {@inheritDoc} */
	@Override
	public void add(Widget w) {
		container.add(w);

	}

	/*
	 * (non-Javadoc)
	 * @see com.google.gwt.user.client.ui.HasWidgets#clear()
	 */
	/** {@inheritDoc} */
	@Override
	public void clear() {
		container.clear();

	}

	/**
	 * Hide the options dialog
	 */
	public void hide() {
		slideUpPanel.hide();
	}

	/*
	 * (non-Javadoc)
	 * @see com.google.gwt.user.client.ui.HasWidgets#iterator()
	 */
	/** {@inheritDoc} */
	@Override
	public Iterator<Widget> iterator() {
		return container.iterator();
	}

	/*
	 * (non-Javadoc)
	 * @see com.google.gwt.user.client.ui.HasWidgets#remove(com.google.gwt.user.client.ui.Widget)
	 */
	/** {@inheritDoc} */
	@Override
	public boolean remove(Widget w) {
		return container.remove(w);
	}

	/**
	 * Set the area to cover
	 *
	 * @param widgetToCover the widet to cover
	 */
	public void setPanelToOverlay(HasWidgets widgetToCover) {
		slideUpPanel.setPanelToOverlay(widgetToCover);

	}

	/*
	 * (non-Javadoc)
	 * @see com.googlecode.mgwt.ui.client.dialog.Dialog#show()
	 */
	/**
	 * <p>
	 * show
	 * </p>
	 */
	public void show() {
		slideUpPanel.show();
	}

}