/////////////////////////////////////////////////////////
// Module		HelpDialog.java
// Version		1.0
// Language		Java
// Author		Sudhakar Chandrasekaran (thaths@netscape.com)
// History
// 04/17/97		House cleaning
// 04/20/97		Added brief help
// 01/04/97		Created
//
// Legalese                
// Copyright (C) 1996-1997 Sudhakar Chandrasekharan  
//
// This program is free software;  you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the 
// Free Software Foundation; either version 2 of the license, or (at your 
// option) any later version.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of 
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
// General Public License for more details.  Writers of free software 
// cannot afford getting sued!
// 
// You should have received a copy  of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc., 
// 675 Mass Ave., Cambridge, MA 02139, USA.
//
// Sudhakar "Thaths" Chandrasekharan, 20 Apr 1997.
////////////////////////////////////////////////////////

import java.awt.*;

class HelpDialog extends Dialog
{
	// Constructor
	HelpDialog(Frame f)
	{
		super(f, true);
		
		// Don't need that precise a layout.  So BorderLayout
		setLayout(new BorderLayout());

		String helpTextString = new String("\t\t   ClientSearch v2.0 Help");

		// Create the text area and add the help text
		TextArea helpTextArea = new TextArea();								
		helpTextArea.setText(helpTextString);
		helpTextArea.appendText("\n\n\n");

		helpTextArea.appendText("* Type in a text string in the text area next to 'Search For'.  eg. 'Hello World'.\n\n");

		helpTextArea.appendText("* Use options to fine tune your search :\n");
		helpTextArea.appendText("\tas a string - search for pages with the the phrase 'Hello World'.\n");
		helpTextArea.appendText("\tOR - search for pages with the words 'Hello' or 'World'.\n");
		helpTextArea.appendText("\tAND - search for pages with the words 'Hello' and 'World'.\n");
		helpTextArea.appendText("searching 'as a string' is the fastest, 'OR' is slower and 'AND' is slowest.\n\n");

		helpTextArea.appendText("* By default searches are case insensitive.  ie. searches for 'Hello World'\n");
		helpTextArea.appendText("  would match pages with 'Hello World', 'hello world' and other variations.\n");
		helpTextArea.appendText("  If you want to match pages only with ''Hello World', check the box next\n");
		helpTextArea.appendText("  to 'CaSe SeNsItIvE'.\n\n");

		helpTextArea.appendText("* After doing the above, click on the 'Search' button to search.  The cursor\n");
		helpTextArea.appendText("  will turn to a wait cursor while the pages are being searched.\n\n");
	
		helpTextArea.appendText("* The pages matching the query will be listed in the box titled 'Search Results'.\n\n");
	
		helpTextArea.appendText("* Click on a line in the 'Search Results' box to view the page matching the\n");
		helpTextArea.appendText("  query. This will open up a new window of your browser with the page.\n\n\n\n");
	
		helpTextArea.appendText("\tFor more information on ClientSearch, visit\n");
		helpTextArea.appendText("\thttp://www.aunet.org/thaths/hacks/ClientSearch/\n");
	
		helpTextArea.setEditable(false);
		add("Center", helpTextArea);

		Panel buttonPanel = new Panel();
		buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
		buttonPanel.add(new Button("OK"));
		buttonPanel.validate();
		add("South", buttonPanel);
		validate();
		resize(400,500);
		show();
	}

	// Event Handler
	// When the user has had enough, dispose the
	// dialog
	public boolean action(Event evt, Object onWhat)
	{
		if(evt.target instanceof Button) {
			String label = (String) onWhat;
			if (label.equals("OK")) {
				dispose();
				return true;
			}
		}
		return super.handleEvent(evt);
	}
}