/*
?*?@（#）Drawapplet.java
?*
?*?Project:		JHotdraw?-?a?GUI?framework?for?technical?drawings
?*				http://www.jhotdraw.org
?*				http://jhotdraw.sourceforge.net
?*?Copyright:	?by?the?original?author（s）?and?all?contributors
?*?License:		Lesser?GNU?Public?License?（LGPL）
?*				http://www.opensource.org/licenses/lgpl-license.html
?*/

package?CH.ifa.draw.applet;

import?javax.swing.*;
import?java.awt.*;
import?java.awt.event.*;
import?java.util.*;
import?java.io.*;
import?java.net.*;
import?CH.ifa.draw.framework.*;
import?CH.ifa.draw.standard.*;
import?CH.ifa.draw.figures.*;
import?CH.ifa.draw.util.*;

/**
?*?DrawApplication?defines?a?standard?presentation?for
?*?a?drawing?editor?that?is?run?as?an?applet.?The?presentation?is
?*?customized?in?subclasses.

?*?Supported?applet?parameters:?

?*?DRAWINGS:?a?blank?separated?list?of?drawing?names?that?is
?*???????????shown?in?the?drawings?choice.
?*
?*?@version?<$CURRENT_VERSION$>
?*/
public?class?Drawapplet
		extends?Japplet
		implements?DrawingEditor?PaletteListener?VersionRequester?{

	private?transient?Drawing?????????fDrawing;
	private?transient?Tool????????????fTool;

	private?transient?DrawingView?????fView;
	private?transient?ToolButton??????fDefaultToolButton;
	private?transient?ToolButton??????fSelectedToolButton;

	private?transient?boolean?????????fSimpleUpdate;
	private?transient?JButton??????????fUpdateButton;

	private?transient?JComboBox??????????fframeColor;
	private?transient?JComboBox??????????fFillColor;
	private?transient?JComboBox??????????fTextColor;
	private?transient?JComboBox??????????fArrowChoice;
	private?transient?JComboBox??????????fFontChoice;

	private?transient?Thread??????????fSleeper;
	private?transient?			UndoManager?myUndoManager;

	static?String?????????????????????fgUntitled?=?“untitled“;

	private?static?final?String???????fgDrawPath?=?“/CH/ifa/draw/“;
	public?static?final?String????????IMAGES?=?fgDrawPath+“images/“;

	/**
	?*?Initializes?the?applet?and?creates?its?contents.
	?*/
	public?void?init（）?{
		createIconkit（）;
		getVersionControlStrategy（）.assertCompatibleVersion（）;
		setUndoManager（new?UndoManager（））;

		getContentPane（）.setLayout（new?BorderLayout（））;

		fView?=?createDrawingView（）;

		JPanel?attributes?=?createAttributesPanel（）;
		createAttributeChoices（attributes）;
		getContentPane（）.add（“North“?attributes）;

		JPanel?toolPanel?=?createToolPalette（）;
		createTools（toolPanel）;
		getContentPane（）.add（“West“?toolPanel）;

		getContentPane（）.add（“Center“?（Component）view（））;
		JPanel?buttonPalette?=?createButtonPanel（）;
		createButtons（buttonPalette）;
		getContentPane（）.add（“South“?buttonPalette）;

		initDrawing（）;
		//?JFC?should?have?its?own?internal?double?buffering...
		//setBufferedDisplayUpdate（）;
		setupAttributes（）;
	}

	public?void?addViewChangeListener（ViewChangeListener?vsl）?{
	}

	public?void?removeViewChangeListener（ViewChangeListener?vsl）?{
	}

	protected?Iconkit?createIconkit（）?{
		return?new?Iconkit（this）;
	}

	/*
	?*?Gets?the?i