EkitApplet.java

/*
GNU Lesser General Public License

EkitApplet - Java Swing HTML Editor & Viewer Applet
Copyright (C) 2000 Howard Kistler

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package com.hexidec.ekit;

import java.awt.BorderLayout;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Toolkit;
import java.awt.event.KeyEvent;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Vector;
import javax.swing.JApplet;
import javax.swing.JLabel;

import com.hexidec.ekit.EkitCore;

/** EkitApplet
  * Applet for editing and saving HTML in a Java browser component
  *
  * @author Howard Kistler
  * @version 1.5
  *
  * REQUIREMENTS
  * Java 2 (JDK 1.5 or higher)
  * Swing Library
  */

public class EkitApplet extends JApplet
{
	/* Components */
	EkitCore ekitCore;

	/** Constructor
	  */
	public EkitApplet()
	{
		getRootPane().putClientProperty("defeatSystemEventQueueCheck", Boolean.TRUE);
	}

	/** Applet Init
	  */
	public void init()
	{
		String sRawDocument = this.getParameter("DOCUMENT");
		String sStyleSheetRef = this.getParameter("STYLESHEET");
		boolean base64 = ((this.getParameter("BASE64") != null) && this.getParameter("BASE64").equalsIgnoreCase("true"));
		URL urlCSS = (URL)null;
		try
		{
			if(sStyleSheetRef != null && sStyleSheetRef.length() > 0)
			{
				urlCSS = new URL(this.getCodeBase(), sStyleSheetRef);
			}
		}
		catch(MalformedURLException murle)
		{
			murle.printStackTrace(System.err);
		}
		boolean showToolBar = true;
		boolean showToolBarMulti = true;
		if(this.getParameter("TOOLBAR") != null) { showToolBar = this.getParameter("TOOLBAR").equalsIgnoreCase("true"); }
		if(this.getParameter("TOOLBARMULTI") != null) { showToolBarMulti = this.getParameter("TOOLBARMULTI").equalsIgnoreCase("true"); }
		if(showToolBarMulti) { showToolBar = true; }
		boolean showViewSource = ((this.getParameter("SOURCEVIEW") != null && this.getParameter("SOURCEVIEW").equalsIgnoreCase("true")));
		String sLanguage = this.getParameter("LANGCODE");
		String sCountry = this.getParameter("LANGCOUNTRY");
		boolean editModeExclusive = true;
		if(this.getParameter("EXCLUSIVE") != null) { editModeExclusive = this.getParameter("EXCLUSIVE").equalsIgnoreCase("true"); }
		boolean showMenuIcons = true;
		if(this.getParameter("MENUICONS") != null) { showMenuIcons = this.getParameter("MENUICONS").equalsIgnoreCase("true"); }
		boolean spellChecker = false;
		if(this.getParameter("SPELLCHECK") != null) { spellChecker = this.getParameter("SPELLCHECK").equalsIgnoreCase("true"); }
		String toolbarSeq = (showToolBarMulti ? EkitCore.TOOLBAR_DEFAULT_MULTI : EkitCore.TOOLBAR_DEFAULT_SINGLE);
		if(this.getParameter("TOOLBARSEQ") != null) { toolbarSeq = this.getParameter("TOOLBARSEQ").toUpperCase(); }
		boolean enterBreak = false;
		if(this.getParameter("ENTERBREAK") != null) { enterBreak = this.getParameter("ENTERBREAK").equalsIgnoreCase("true"); }

		if(spellChecker)
		{
			ekitCore = new EkitCoreSpell(true, sRawDocument, urlCSS, showToolBar, showViewSource, showMenuIcons, editModeExclusive, sLanguage, sCountry, base64, showToolBarMulti, toolbarSeq, enterBreak);
		}
		else
		{
			ekitCore = new EkitCore(true, sRawDocument, urlCSS, showToolBar, showViewSource, showMenuIcons, editModeExclusive, sLanguage, sCountry, base64, false, showToolBarMulti, toolbarSeq, enterBreak);
		}

		/* Add menus, based on whether or not they are requested (all are shown by default) */
		Vector vcMenus = new Vector();
		if(this.getParameter("MENU_EDIT")   != null) { if(this.getParameter("MENU_EDIT").equalsIgnoreCase("true"))   { vcMenus.add(EkitCore.KEY_MENU_EDIT); } }   else { vcMenus.add(EkitCore.KEY_MENU_EDIT); }
		if(this.getParameter("MENU_VIEW")   != null) { if(this.getParameter("MENU_VIEW").equalsIgnoreCase("true"))   { vcMenus.add(EkitCore.KEY_MENU_VIEW); } }   else { vcMenus.add(EkitCore.KEY_MENU_VIEW); }
		if(this.getParameter("MENU_FONT")   != null) { if(this.getParameter("MENU_FONT").equalsIgnoreCase("true"))   { vcMenus.add(EkitCore.KEY_MENU_FONT); } }   else { vcMenus.add(EkitCore.KEY_MENU_FONT); }
		if(this.getParameter("MENU_FORMAT") != null) { if(this.getParameter("MENU_FORMAT").equalsIgnoreCase("true")) { vcMenus.add(EkitCore.KEY_MENU_FORMAT); } } else { vcMenus.add(EkitCore.KEY_MENU_FORMAT); }
		if(this.getParameter("MENU_INSERT") != null) { if(this.getParameter("MENU_INSERT").equalsIgnoreCase("true")) { vcMenus.add(EkitCore.KEY_MENU_INSERT); } } else { vcMenus.add(EkitCore.KEY_MENU_INSERT); }
		if(this.getParameter("MENU_TABLE")  != null) { if(this.getParameter("MENU_TABLE").equalsIgnoreCase("true"))  { vcMenus.add(EkitCore.KEY_MENU_TABLE); } }  else { vcMenus.add(EkitCore.KEY_MENU_TABLE); }
		if(this.getParameter("MENU_FORMS")  != null) { if(this.getParameter("MENU_FORMS").equalsIgnoreCase("true"))  { vcMenus.add(EkitCore.KEY_MENU_FORMS); } }  else { vcMenus.add(EkitCore.KEY_MENU_FORMS); }
		if(this.getParameter("MENU_SEARCH") != null) { if(this.getParameter("MENU_SEARCH").equalsIgnoreCase("true")) { vcMenus.add(EkitCore.KEY_MENU_SEARCH); } } else { vcMenus.add(EkitCore.KEY_MENU_SEARCH); }
		if(this.getParameter("MENU_TOOLS")  != null) { if(this.getParameter("MENU_TOOLS").equalsIgnoreCase("true"))  { vcMenus.add(EkitCore.KEY_MENU_TOOLS); } }  else { vcMenus.add(EkitCore.KEY_MENU_TOOLS); }
		if(this.getParameter("MENU_HELP")   != null) { if(this.getParameter("MENU_HELP").equalsIgnoreCase("true"))   { vcMenus.add(EkitCore.KEY_MENU_HELP); } }   else { vcMenus.add(EkitCore.KEY_MENU_HELP); }
		this.setJMenuBar(ekitCore.getCustomMenuBar(vcMenus));

		/* Add the components to the app */
		if(showToolBar)
		{
			if(showToolBarMulti)
			{
				this.getContentPane().setLayout(new GridBagLayout());
				GridBagConstraints gbc = new GridBagConstraints();
				gbc.fill       = GridBagConstraints.HORIZONTAL;
				gbc.anchor     = GridBagConstraints.NORTH;
				gbc.gridheight = 1;
				gbc.gridwidth  = 1;
				gbc.weightx    = 1.0;
				gbc.weighty    = 0.0;
				gbc.gridx      = 1;

				ekitCore.initializeMultiToolbars(toolbarSeq);

				gbc.gridy = 1;
				this.getContentPane().add(ekitCore.getToolBarMain(showToolBar && ekitCore.getToolBarMain(showToolBar).getComponentCount() > 0), gbc);

				gbc.gridy = 2;
				this.getContentPane().add(ekitCore.getToolBarFormat(showToolBar && ekitCore.getToolBarFormat(showToolBar).getComponentCount() > 0), gbc);

				gbc.gridy = 3;
				this.getContentPane().add(ekitCore.getToolBarStyles(showToolBar && ekitCore.getToolBarStyles(showToolBar).getComponentCount() > 0), gbc);

				gbc.anchor     = GridBagConstraints.CENTER;
				gbc.fill       = GridBagConstraints.BOTH;
				gbc.weighty    = 1.0;
				gbc.gridy      = 4;
				this.getContentPane().add(ekitCore, gbc);
			}
			else
			{
				ekitCore.initializeSingleToolbar(toolbarSeq);

				this.getContentPane().setLayout(new BorderLayout());
				this.getContentPane().add(ekitCore, BorderLayout.CENTER);
				this.getContentPane().add(ekitCore.getToolBar(showToolBar), BorderLayout.NORTH);
			}
		}
	}

	/* Applet methods */
	public void start()   { ; }
	public void stop()    { ; }
	public void destroy() { ; }

	/** Method for passing back the document text to the applet's container.
	  * This is the entire document, including the top-level HTML tags.
	  */
	public String getDocumentText()
	{
		return ekitCore.getDocumentText();
	}

	/** Method for passing back the document body to the applet's container.
	  * This is only the text contained within the BODY tags.
	  */
	public String getDocumentBody()
	{
		return ekitCore.getDocumentSubText("body");
	}

	/** Method for passing back the document as an RTF document string.
	  */
	public String getRTFDocument()
	{
		try
		{
			return ekitCore.getRTFDocument();
		}
		catch(Exception e)
		{
			return e.getMessage();
		}
	}

	/** Method for setting the document manually.
	  * Will need code in the web page to call this.
	  */
	public void setDocumentText(String text)
	{
		ekitCore.setDocumentText(text);
	}
}