// File: SystemToolPanel.java
// Classes: SystemToolPanel
// Author: Kedar Patankar

package edu.neu.ccs.demeter.tools.apstudio.graphedit;

import java.awt.Panel;
import java.awt.Toolkit;
import java.awt.Insets;
import java.awt.BorderLayout;

import javax.swing.JToolBar;
import javax.swing.JButton;
import javax.swing.ImageIcon;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

/* Purpose : this class is responsible for displaying system toolbar and handling the events generated by the 
buttons on the toolbar
*/

public class SystemToolPanel extends Panel implements ActionListener
{
	private Editor _editor; // reference
	private JToolBar _toolBar;
	private JButton newButton,openButton,saveButton,closeButton,closeallButton,printButton,reloadButton,saveallButton,windowlistButton;

	public SystemToolPanel(Editor editor)
	{ 
		_editor=editor;
		setLayout(new BorderLayout());
		_toolBar = new JToolBar();
		makeToolbar();
		_toolBar.setFloatable(false);
		add("North",_toolBar);
	}

	public void switchon()
	{
		saveButton.setEnabled(true);
		saveallButton.setEnabled(true);
		closeButton.setEnabled(true);
		closeallButton.setEnabled(true);
		reloadButton.setEnabled(true);
		printButton.setEnabled(true);
	}
	public void switchoff()
	{
		saveButton.setEnabled(false);
		saveallButton.setEnabled(false);
		closeButton.setEnabled(false);
		closeallButton.setEnabled(false);
		reloadButton.setEnabled(false);
		printButton.setEnabled(false);
	}

	public Insets getInsets(){return new Insets(1,1,1,1);}

	private void makeToolbar()
	{
		String INSTALL_DIR=_editor.getInstallDir();

		newButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/new.gif"))));
		newButton.setToolTipText("New CD");
		newButton.setMargin(new Insets(0,0,0,0));
		newButton.addActionListener(this);

		_toolBar.addSeparator();

		openButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/open.gif"))));
		openButton.setToolTipText("Open CD");
		openButton.setMargin(new Insets(0,0,0,0));
		openButton.addActionListener(this);
		
		saveButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/save.gif"))));
		saveButton.setToolTipText("Save CD");
		saveButton.setMargin(new Insets(0,0,0,0));
		saveButton.setEnabled(false);
		saveButton.addActionListener(this);
		
		saveallButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/saveall.gif"))));
		saveallButton.setToolTipText("Save All");
		saveallButton.setMargin(new Insets(0,0,0,0));
		saveallButton.setEnabled(false);
		saveallButton.addActionListener(this);
		
		_toolBar.addSeparator();
		
		closeButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/close.gif"))));
		closeButton.setToolTipText("Close CD");
		closeButton.setMargin(new Insets(0,0,0,0));
		closeButton.setEnabled(false);
		closeButton.addActionListener(this);
		
		closeallButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/closeall.gif"))));
		closeallButton.setToolTipText("Close All");
		closeallButton.setMargin(new Insets(0,0,0,0));
		closeallButton.setEnabled(false);
		closeallButton.addActionListener(this);
		
		_toolBar.addSeparator();
		
		reloadButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/reload.gif"))));
		reloadButton.setToolTipText("Reload CD");
		reloadButton.setMargin(new Insets(0,0,0,0));
		reloadButton.setEnabled(false);
		reloadButton.addActionListener(this);
		
		printButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/print.gif"))));
		printButton.setToolTipText("Print CD");
		printButton.setMargin(new Insets(0,0,0,0));
		printButton.setEnabled(false);
		printButton.addActionListener(this);
		
		windowlistButton = (JButton) _toolBar.add(new JButton(new ImageIcon(Toolkit.getDefaultToolkit().getImage(INSTALL_DIR+"/images/windowlist.gif"))));
		windowlistButton.setToolTipText("Windows List");
		windowlistButton.setMargin(new Insets(0,0,0,0));
		windowlistButton.addActionListener(this);
	}

	public void actionPerformed(ActionEvent event)
	{
		if(_editor.curDocument()!=null)
			_editor.curDocument().requestFocus();

		Object source = event.getSource();
		if(source == newButton)
		{
			Action act=new ActionNew(_editor);
			act.doIt();
		}
		else
		if(source == openButton)
		{
			Action act = new ActionOpen(_editor);
			act.doIt();
		}
		else
		if(source == saveButton)
		{
			if(!_editor.curDocument().gcdNeedsSaving()&&(!_editor.curDocument().firstTime())) return;
			Action act = new ActionSave(_editor,_editor.curDocument());
			act.doIt();
		}
		else
		if(source == saveallButton)
		{
			Action act = new ActionSaveall(_editor);
			act.doIt();
		}
		else
		if(source == closeButton)
		{
			Action act=new ActionClose(_editor,_editor.curDocument());
			act.doIt();
		}
		else 
		if(source == closeallButton)
		{
			Action act=new ActionCloseall(_editor);
			act.doIt();
		}
		else
		if (source == reloadButton)
		{
			Action act = new ActionReload(_editor,_editor.curDocument());
			act.doIt();
		}
		else			
		if(source == printButton)
		{
			Action act = new ActionPrint(_editor);
			act.doIt();
		}
		else
		{
			Action act = new ActionShowDocuments(_editor,_editor.get_openDocnames());
			act.doIt();
		}
	}	  

} /* end class SystemToolPanel */