options.java

java写的多功能文件编辑器

/*
 * Options.java - Options for JBrowse
 *
 * Copyright (c) 1999 George Latkiewicz	([e-mail])
 *
 * 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 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.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

import javax.swing.event.*;

//=============================================================================
public class Options
{
	private boolean showStatusBar;

	private Filter filterOpt;   // (WHAT to display)
	private Display displayOpt;	// (HOW  to display)

	private ChangeListener listener;

	public Options()
	{
		filterOpt  = new Filter();
		displayOpt = new Display();

	} // Options(): <init>


	public ChangeListener getListener() { return listener; }


	//-------------------------------------------------------------------------
	/**
	 * The method that sets the option object's state to reflect the values
	 * specified by the passed PropertyAccessor.
	 */
	public void load(PropertyAccessor props)
	{
		// General Options
		setShowStatusBar(
				!"off".equals(props.getProperty("jbrowse.showStatusBar")));

		// Filter Options
		filterOpt.setShowAttributes(
				"on".equals(props.getProperty("jbrowse.showAttr")));
		filterOpt.setShowPrimitives(
				"on".equals(props.getProperty("jbrowse.showPrimAttr")));
		filterOpt.setShowGeneralizations(
				"on".equals(props.getProperty("jbrowse.showGeneralizations")));
		filterOpt.setShowThrows(
				"on".equals(props.getProperty("jbrowse.showThrows")));

		int topLevelVisIndex;
		try {
			topLevelVisIndex = Integer.parseInt(
					props.getProperty("jbrowse.topLevelVisIndex"));
		} catch(NumberFormatException nf) {
			topLevelVisIndex = RWModifier.TOPLEVEL_VIS_PACKAGE;
		}
		if (topLevelVisIndex < RWModifier.TOPLEVEL_VIS_PACKAGE
				|| topLevelVisIndex > RWModifier.TOPLEVEL_VIS_PUBLIC ) {
			topLevelVisIndex = RWModifier.TOPLEVEL_VIS_PACKAGE;
		}
		filterOpt.setTopLevelVisIndex( topLevelVisIndex );

		int memberVisIndex;
		try {
			memberVisIndex = Integer.parseInt(
					props.getProperty("jbrowse.memberVisIndex"));
		} catch(NumberFormatException nf) {
			memberVisIndex = RWModifier.MEMBER_VIS_PRIVATE;
		}
		if (memberVisIndex < RWModifier.MEMBER_VIS_PRIVATE
				|| memberVisIndex > RWModifier.MEMBER_VIS_PUBLIC ) {
			memberVisIndex = RWModifier.MEMBER_VIS_PRIVATE;
		}
		filterOpt.setMemberVisIndex( memberVisIndex );

		// Display Options
		displayOpt.setShowArguments(
				"on".equals(props.getProperty("jbrowse.showArgs")));
		displayOpt.setShowArgumentNames(
				"on".equals(props.getProperty("jbrowse.showArgNames")));
		displayOpt.setShowNestedName(
				"on".equals(props.getProperty("jbrowse.showNestedName")));
		displayOpt.setShowIconKeywords(
				"on".equals(props.getProperty("jbrowse.showIconKeywords")));
		displayOpt.setShowMiscMod(
				"on".equals(props.getProperty("jbrowse.showMiscMod")));
		displayOpt.setAlphaSort(
				"on".equals(props.getProperty("jbrowse.alphaSortMethods")));
		displayOpt.setShowLineNum(
				"on".equals(props.getProperty("jbrowse.showLineNums")));

		int styleIndex;
		try
		{
			styleIndex = Integer.parseInt(
					props.getProperty("jbrowse.displayStyle"));
		}
		catch(NumberFormatException nf)
		{
			styleIndex = Options.Display.STYLE_UML;
		}
		if (styleIndex < Options.Display.STYLE_FIRST
				|| styleIndex > Options.Display.STYLE_LAST ) {
			styleIndex = Options.Display.STYLE_UML;
		}
		displayOpt.setStyleIndex( styleIndex );

		displayOpt.setVisSymbols(
				"on".equals(props.getProperty("jbrowse.custVisAsSymbol")));
		displayOpt.setAbstractItalic(
				"on".equals(props.getProperty("jbrowse.custAbsAsItalic")));
		displayOpt.setStaticUlined(
				"on".equals(props.getProperty("jbrowse.custStaAsUlined")));
		displayOpt.setTypeIsSuffixed(
				"on".equals(props.getProperty("jbrowse.custTypeIsSuffixed")));

	} // load(PropertyAccessor props): void


	//-------------------------------------------------------------------------
	/**
	 * The method that sets the passed PropertyAccessor's state to reflect
	 * the current state of this Options object.
	 */
	public void save(PropertyAccessor props)
	{
		// General Options
		//----------------
		props.setProperty( "jbrowse.showStatusBar",
				getShowStatusBar() ? "on" : "off" );


		// Filter Options
		//---------------
		props.setProperty( "jbrowse.showAttr",
				filterOpt.getShowAttributes() ? "on" : "off" );
		props.setProperty( "jbrowse.showPrimAttr",
				filterOpt.getShowPrimitives() ? "on" : "off" );
		props.setProperty( "jbrowse.showGeneralizations",
				filterOpt.getShowGeneralizations() ? "on" : "off" );
		props.setProperty( "jbrowse.showThrows",
				filterOpt.getShowThrows() ? "on" : "off" );

		/* Visibility Level */
		props.setProperty( "jbrowse.topLevelVisIndex",
				String.valueOf(filterOpt.getTopLevelVisIndex()) );
		props.setProperty( "jbrowse.memberVisIndex",
				String.valueOf(filterOpt.getMemberVisIndex()) );


		// Display Options
		//----------------
		props.setProperty( "jbrowse.showArgs",
				displayOpt.getShowArguments() ? "on" : "off" );
		props.setProperty( "jbrowse.showArgNames",
				displayOpt.getShowArgumentNames() ? "on" : "off" );
		props.setProperty( "jbrowse.showNestedName",
				displayOpt.getShowNestedName() ? "on" : "off" );
		props.setProperty( "jbrowse.showIconKeywords",
				displayOpt.getShowIconKeywords() ? "on" : "off" );
		props.setProperty( "jbrowse.showMiscMod",
				displayOpt.getShowMiscMod() ? "on" : "off" );
		props.setProperty( "jbrowse.alphaSortMethods",
				displayOpt.getAlphaSort() ? "on" : "off" );
		props.setProperty( "jbrowse.showLineNums",
				displayOpt.getShowLineNum() ? "on" : "off" );

		/* Display Style */
		props.setProperty("jbrowse.displayStyle",
				String.valueOf(displayOpt.getStyleIndex()) );

		/* Custom Style Options */
		props.setProperty("jbrowse.custVisAsSymbol",
				displayOpt.getVisSymbols() ? "on" : "off" );
		props.setProperty("jbrowse.custAbsAsItalic",
				displayOpt.getAbstractItalic() ? "on" : "off" );
		props.setProperty("jbrowse.custStaAsUlined",
				displayOpt.getStaticUlined() ? "on" : "off" );
		props.setProperty("jbrowse.custTypeIsSuffixed",
				displayOpt.getTypeIsSuffixed() ? "on" : "off" );

	} // save(PropertyAccessor props): void


	// Accessor methods
	//-------------------------------------------------------------------------

	public final boolean getShowStatusBar()  { return showStatusBar; }

	public final void setShowStatusBar(boolean flag) {
		showStatusBar = flag;
	}

	public final Filter  getFilterOptions()  { return filterOpt; }
	public final Display getDisplayOptions() { return displayOpt; }


	//-------------------------------------------------------------------------
	/**
	 * This is the method that is called in order to associate the JBrowse
	 * session's ChangeListener with this Option object.
	 */
	public void addChangeListener(ChangeListener listener)
	{
		this.listener = listener; // there can only be one at this time
	}


	// Other Object methods
	//-------------------------------------------------------------------------

	public final String toString()
	{
		return  filterOpt.toString() + "\n"
				+ displayOpt.toString();
	}


	//=========================================================================
	public static class Display implements DisplayIro
	{
		// Display Style options (HOW)

		private boolean showArguments;
		private boolean showArgumentNames;
		private boolean showNestedName;
		private boolean showIconKeywords;
		private boolean showMiscMod;
		private boolean alphaSort;
		private boolean showLineNum;

		private int styleIndex = STYLE_UML;

		private boolean visSymbols;
		private boolean abstractItalic;
		private boolean staticUlined;
		private boolean typeIsSuffixed;


		// Accessor methods