// File: ContentDialog.java
// Classes: ContentDialog
// Original Author: Kedar Patankar
// Date 21 Jan 1997

package uci.graphedit;

import java.awt.Button;
import java.awt.Event;
import java.awt.List;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.Label;
import java.awt.Color;
import java.awt.BorderLayout;

import gjt.DialogClient;
import gjt.GJTDialog;
import gjt.ButtonPanel;

public class ContentDialog extends GJTDialog 
{
	
	private Button _execute;
	private Button _cancel;
	private List _topicList;
	
	public ContentDialog(Frame frame,DialogClient dialogClient,String title) 
	{ 
		super(frame,title,dialogClient,true);
		_execute = new Button("Display");
		_cancel = new Button("Close");
		_topicList = new List();

		Panel topicPanel = new Panel();
		topicPanel.setLayout(new BorderLayout());
		Label l = new Label("Select the Topic");
		topicPanel.add("North",l);
		topicPanel.add("Center",_topicList);
		topicPanel.setBackground(Color.lightGray);
		_topicList.setBackground(Color.white);
		
		ButtonPanel _buttonPanel= new ButtonPanel();
		_buttonPanel.add(_execute);
		_buttonPanel.add(_cancel);
		_buttonPanel.setBackground(Color.lightGray);

		setLayout(new BorderLayout());
		add("Center",topicPanel);
		add("South",_buttonPanel);
		fillList();
		pack();
		resize(	350,150);
		_topicList.select(0);
	}
	
	public void fillList()
	{
		_topicList.addItem("How to use class dictionary file(*.cd)");
		_topicList.addItem("How to use Cd Draw file(*.gcd)");
		_topicList.addItem("How to create new components");
		_topicList.addItem("How to manage the components");
		_topicList.addItem("How to print");
		_topicList.addItem("How to save the work");
	}

		
	public void show()
	{
		_topicList.requestFocus();
		super.show();
	}

	public boolean handleEvent(Event e) 
	{
		switch(e.id) 
		{
			case Event.WINDOW_DESTROY:
				close();
				return true;
			case Event.LIST_SELECT:
				return true;
		}
		return super.handleEvent(e);
	}


	public boolean action(Event e, Object what) 
	{
		if (e.target == _cancel) 
		{
			close();
			return true;
		}
		else 
			if (e.target == _execute)
		{
	  	  executeCommand(e);
		  return true;
	    }
		return false;
	}

	public void close() { hide(); dispose(); }

	protected void executeCommand(Event e) 
	{ 
		int index=_topicList.getSelectedIndex();
		String name=_topicList.getSelectedItem();
		client.dialogDismissed(this);
		HelpFrame f=new HelpFrame(index,name);
		f.resize(350,400);
		hide();
		f.show();
		dispose();
	}

} /* end class ContentDialog */