pjs/js/jsdj/classes/com/netscape/jsdebugging/ifcui/CommandTyrant.java

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28 KiB
Java
Исходник Обычный вид История

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
* Manages validating and routing user commands
*/
// when who what
// 06/27/97 jband added this header to my code
//
package com.netscape.jsdebugging.ifcui;
import java.util.Observable;
import java.util.Observer;
import netscape.security.PrivilegeManager;
import netscape.application.*;
import netscape.util.*;
import com.netscape.jsdebugging.ifcui.palomar.util.*;
import com.netscape.jsdebugging.ifcui.palomar.widget.PopupButton;
import com.netscape.jsdebugging.api.*;
public class CommandTyrant
extends Observable
implements Observer, Target
{
// this list of ids must start with 0 and be contiguous and have count set
// ............................................
public static final int RUN = 0;
public static final int ABORT = 1;
public static final int STEP_OVER = 2;
public static final int STEP_INTO = 3;
public static final int STEP_OUT = 4;
public static final int INTERRUPT = 5;
public static final int PAGELIST_CLICK = 6;
public static final int PAGELIST_DBLCLICK = 7;
public static final int PAGELIST_SHOW_HIDE = 8;
public static final int REFRESH_ALL = 9;
public static final int STACKVIEW_CLICK = 10;
public static final int STACKVIEW_DBLCLICK = 11;
public static final int EVAL_STRING = 12;
public static final int EVAL_SEL_STRING = 13;
public static final int SHOW_LINE_NUMBERS = 14;
public static final int TOGGLE_BREAKPOINT = 15;
public static final int COPY = 16;
public static final int PASTE = 17;
public static final int WATCHES_SHOW_HIDE = 18;
public static final int COPY_TO_WATCH = 19;
public static final int EDIT_BREAKPOINT = 20;
public static final int BREAKPOINTS_SHOW_HIDE = 21;
public static final int INSPECTOR_SHOW_HIDE = 22;
public static final int INSPECT_SEL_STRING = 23;
public static final int WATCH_STRING = 24;
public static final int CLEAR_CONSOLE = 25;
public static final int COPY_STRING = 26;
public static final int CUT = 27;
public static final int TEST = 28;
// XXX add the rest...
public static final int CMD_COUNT = 29; // just a count of the above
// ............................................
private void _initCmdStates()
{
// initialize the cmdStatesArray
int i;
_cmdStatesArray = new CmdState[CMD_COUNT];
for( i = 0; i < CMD_COUNT; i++ )
_cmdStatesArray[i] = new CmdState(i,null,true,false);
// add the names
// these must match the full list above
// ............................................
_cmdStatesArray[RUN ].name = "RUN";
_cmdStatesArray[ABORT ].name = "ABORT";
_cmdStatesArray[STEP_OVER ].name = "STEP_OVER";
_cmdStatesArray[STEP_INTO ].name = "STEP_INTO";
_cmdStatesArray[STEP_OUT ].name = "STEP_OUT";
_cmdStatesArray[INTERRUPT ].name = "INTERRUPT";
_cmdStatesArray[PAGELIST_CLICK ].name = "PAGELIST_CLICK";
_cmdStatesArray[PAGELIST_DBLCLICK ].name = "PAGELIST_DBLCLICK";
_cmdStatesArray[PAGELIST_SHOW_HIDE ].name = "PAGELIST_SHOW_HIDE";
_cmdStatesArray[REFRESH_ALL ].name = "REFRESH_ALL";
_cmdStatesArray[STACKVIEW_CLICK ].name = "STACKVIEW_CLICK";
_cmdStatesArray[STACKVIEW_DBLCLICK ].name = "STACKVIEW_DBLCLICK";
_cmdStatesArray[EVAL_STRING ].name = "EVAL_STRING";
_cmdStatesArray[EVAL_SEL_STRING ].name = "EVAL_SEL_STRING";
_cmdStatesArray[SHOW_LINE_NUMBERS ].name = "SHOW_LINE_NUMBERS";
_cmdStatesArray[TOGGLE_BREAKPOINT ].name = "TOGGLE_BREAKPOINT";
_cmdStatesArray[COPY ].name = "COPY";
_cmdStatesArray[PASTE ].name = "PASTE";
_cmdStatesArray[WATCHES_SHOW_HIDE ].name = "WATCHES_SHOW_HIDE";
_cmdStatesArray[COPY_TO_WATCH ].name = "COPY_TO_WATCH";
_cmdStatesArray[EDIT_BREAKPOINT ].name = "EDIT_BREAKPOINT";
_cmdStatesArray[BREAKPOINTS_SHOW_HIDE ].name = "BREAKPOINTS_SHOW_HIDE";
_cmdStatesArray[INSPECTOR_SHOW_HIDE ].name = "INSPECTOR_SHOW_HIDE";
_cmdStatesArray[INSPECT_SEL_STRING ].name = "INSPECT_SEL_STRING";
_cmdStatesArray[WATCH_STRING ].name = "WATCH_STRING";
_cmdStatesArray[CLEAR_CONSOLE ].name = "CLEAR_CONSOLE";
_cmdStatesArray[COPY_STRING ].name = "COPY_STRING";
_cmdStatesArray[CUT ].name = "CUT";
_cmdStatesArray[TEST ].name = "TEST";
// _cmdStatesArray[].name = "";
// XXX add the rest...
// ............................................
// check in debugging build only...
if(AS.DEBUG)
{
for( i = 0; i < CMD_COUNT; i++ )
if(AS.S)ER.T(null!=_cmdStatesArray[i].name, "name not set for cmdstate number " + i, this);
}
// build the hashtable
_cmdStatesHashtable = new Hashtable(CMD_COUNT);
for( i = 0; i < CMD_COUNT; i++ )
_cmdStatesHashtable.put(_cmdStatesArray[i].name,_cmdStatesArray[i]);
}
public void refreshCmdStatesAndNotifyObservers()
{
refreshCmdStates();
_notify();
}
public void refreshCmdStates()
{
_getViewsFromEmperor();
boolean running = _controlTyrant.getState() == ControlTyrant.RUNNING;
if( running )
{
_cmdStatesArray[RUN ].enabled = false;
_cmdStatesArray[ABORT ].enabled = false;
_cmdStatesArray[STEP_OVER ].enabled = false;
_cmdStatesArray[STEP_INTO ].enabled = false;
_cmdStatesArray[STEP_OUT ].enabled = false;
_cmdStatesArray[EVAL_STRING ].enabled = false;
_cmdStatesArray[EVAL_SEL_STRING ].enabled = false;
_cmdStatesArray[INSPECT_SEL_STRING ].enabled = false;
_cmdStatesArray[WATCH_STRING ].enabled = false;
_cmdStatesArray[TEST ].enabled = false;
}
else
{
_cmdStatesArray[RUN ].enabled = true;
_cmdStatesArray[ABORT ].enabled = true;
_cmdStatesArray[STEP_OVER ].enabled = true;
_cmdStatesArray[STEP_INTO ].enabled = true;
_cmdStatesArray[STEP_OUT ].enabled = true;
_cmdStatesArray[EVAL_STRING ].enabled = true;
_cmdStatesArray[WATCH_STRING ].enabled = true;
_cmdStatesArray[TEST ].enabled = true;
if( null != _sourceTyrant && null != _sourceTyrant.getSelectedText())
{
_cmdStatesArray[EVAL_SEL_STRING ].enabled = true;
_cmdStatesArray[INSPECT_SEL_STRING ].enabled = true;
}
else
{
_cmdStatesArray[EVAL_SEL_STRING ].enabled = false;
_cmdStatesArray[INSPECT_SEL_STRING ].enabled = false;
}
}
if( _controlTyrant.getInterrupt() )
_cmdStatesArray[INTERRUPT ].checked = true;
else
_cmdStatesArray[INTERRUPT ].checked = false;
if( null == _pageListView || ! _pageListView.isVisible() )
_cmdStatesArray[PAGELIST_SHOW_HIDE ].checked = false;
else
_cmdStatesArray[PAGELIST_SHOW_HIDE ].checked = true;
if( null == _watchView || ! _watchView.isVisible() )
_cmdStatesArray[WATCHES_SHOW_HIDE ].checked = false;
else
_cmdStatesArray[WATCHES_SHOW_HIDE ].checked = true;
if( null == _breakpointView || ! _breakpointView.isVisible() )
_cmdStatesArray[BREAKPOINTS_SHOW_HIDE ].checked = false;
else
_cmdStatesArray[BREAKPOINTS_SHOW_HIDE ].checked = true;
if( null == _inspectorView || ! _inspectorView.isVisible() )
_cmdStatesArray[INSPECTOR_SHOW_HIDE ].checked = false;
else
_cmdStatesArray[INSPECTOR_SHOW_HIDE ].checked = true;
if( null == _sourceViewManager || ! _sourceViewManager.getShowLineNumbers() )
_cmdStatesArray[SHOW_LINE_NUMBERS ].checked = false;
else
_cmdStatesArray[SHOW_LINE_NUMBERS ].checked = true;
SourceTextItem item;
String selURL;
int selLine;
if( null == _breakpointTyrant ||
null == _sourceTyrant ||
null == (selURL = _sourceTyrant.getUrlOfSelectedLine()) ||
0 == (selLine = _sourceTyrant.getLineNumberOfSelectedLine()) ||
null == (item = _sourceTyrant.findSourceItem(selURL)) )
{
_cmdStatesArray[TOGGLE_BREAKPOINT ].enabled = false;
_cmdStatesArray[TOGGLE_BREAKPOINT ].checked = false;
_cmdStatesArray[EDIT_BREAKPOINT ].enabled = false;
}
else
{
_cmdStatesArray[TOGGLE_BREAKPOINT ].enabled = true;
int sysline = _sourceTyrant.userLine2SystemLine(item,selLine);
if( null != _breakpointTyrant.findBreakpoint( new Location(selURL,sysline) ) )
{
_cmdStatesArray[TOGGLE_BREAKPOINT ].checked = true;
_cmdStatesArray[EDIT_BREAKPOINT ].enabled = true;
}
else
{
_cmdStatesArray[TOGGLE_BREAKPOINT ].checked = false;
_cmdStatesArray[EDIT_BREAKPOINT ].enabled = false;
}
}
if( null == _consoleView ||
null == _inspectorView ||
null == _sourceTyrant )
{
_cmdStatesArray[COPY].enabled = false;
_cmdStatesArray[COPY_TO_WATCH].enabled = false;
_cmdStatesArray[PASTE].enabled = false;
_cmdStatesArray[CUT].enabled = false;
}
else
{
if( null != _sourceTyrant.getSelectedText() ||
_inspectorView.canCopy() ||
_consoleView.canCopy() )
{
_cmdStatesArray[COPY].enabled = true;
_cmdStatesArray[COPY_TO_WATCH].enabled = true;
}
else
{
_cmdStatesArray[COPY].enabled = false;
_cmdStatesArray[COPY_TO_WATCH].enabled = false;
}
if( _inspectorView.canCopy() || _consoleView.canCopy() )
_cmdStatesArray[CUT].enabled = true;
else
_cmdStatesArray[CUT].enabled = false;
if( _consoleView.canPaste() || _inspectorView.canPaste() )
_cmdStatesArray[PASTE].enabled = true;
else
_cmdStatesArray[PASTE].enabled = false;
}
}
public CommandTyrant(Emperor emperor)
{
_app = Application.application();
_emperor = emperor;
_controlTyrant = emperor.getControlTyrant ();
_breakpointTyrant = emperor.getBreakpointTyrant();
_sourceTyrant = emperor.getSourceTyrant ();
_stackTyrant = emperor.getStackTyrant ();
_watchTyrant = emperor.getWatchTyrant ();
_consoleTyrant = emperor.getConsoleTyrant ();
_inspectorTyrant = emperor.getInspectorTyrant ();
// figure out if native clipboard is supported...
try
{
Class.forName("java.awt.datatransfer.Clipboard");
Class.forName("netscape.application.jdk11compatibility.JDKClipboard");
// if(AS.DEBUG)System.out.println( "using native clipboard");
}
catch(Exception e)
{
_usingLocalClipboard = true;
// if(AS.DEBUG)System.out.println( "using local clipboard");
}
if(AS.S)ER.T(null!=_controlTyrant ,"emperor init order problem", this);
if(AS.S)ER.T(null!=_breakpointTyrant,"emperor init order problem", this);
if(AS.S)ER.T(null!=_sourceTyrant ,"emperor init order problem", this);
if(AS.S)ER.T(null!=_stackTyrant ,"emperor init order problem", this);
if(AS.S)ER.T(null!=_watchTyrant ,"emperor init order problem", this);
if(AS.S)ER.T(null!=_consoleTyrant ,"emperor init order problem", this);
if(AS.S)ER.T(null!=_inspectorTyrant ,"emperor init order problem", this);
_controlTyrant.addObserver(this);
_sourceTyrant.addObserver(this);
_breakpointTyrant.addObserver(this);
_initCmdStates();
refreshCmdStates();
}
public CmdState findCmdState(int id) {return _cmdStatesArray[id];}
public CmdState findCmdState(String name){return (CmdState)_cmdStatesHashtable.get(name);}
public String cmdString(int id) {return _cmdStatesArray[id].name;}
public int cmdID(String name) {return ((CmdState)_cmdStatesHashtable.get(name)).id;}
// implement observer interface
public void update(Observable o, Object arg)
{
refreshCmdStatesAndNotifyObservers();
}
private void _notify()
{
setChanged();
notifyObservers(null);
}
// implement target interface
public void performCommand(String cmd, Object data)
{
SourceTextItem item;
String selURL;
int selLine;
Location loc;
Breakpoint bp;
int sysline;
_getViewsFromEmperor();
CmdState cmdState = findCmdState(cmd);
if( null == cmdState )
{
if(AS.S)ER.T( false, "failed to find cmdState named: " + cmd, this);
return;
}
switch(cmdState.id)
{
case RUN:
_controlTyrant.runit();
break;
case ABORT:
_controlTyrant.abort();
break;
case STEP_OVER:
_controlTyrant.stepOver();
break;
case STEP_INTO:
_controlTyrant.stepInto();
break;
case STEP_OUT :
_controlTyrant.stepOut();
break;
case INTERRUPT:
if( null != _controlTyrant )
_controlTyrant.interrupt(! _controlTyrant.getInterrupt());
refreshCmdStatesAndNotifyObservers();
break;
case PAGELIST_CLICK:
_updateSelectedPageListItem( (ListView)data );
break;
case PAGELIST_DBLCLICK:
_updateSelectedPageListItem( (ListView)data );
SourceTextItem sti = _sourceTyrant.getSelectedSourceItem();
if( null != sti && null != _sourceViewManager )
{
SourceView view = _sourceViewManager.findView(sti);
if( null != view )
_sourceViewManager.activateView(view);
else
_sourceViewManager.createView(sti);
}
// fall through to hide the list...
// break;
case PAGELIST_SHOW_HIDE:
if( null == _pageListView )
break;
if( _pageListView.isVisible() )
_pageListView.hide();
else
{
_sourceTyrant.refreshSourceTextItemVector();
_pageListView.show();
}
refreshCmdStatesAndNotifyObservers();
break;
case REFRESH_ALL:
// XXX do other things...
_sourceTyrant.refreshSourceTextItemVector();
break;
case STACKVIEW_CLICK:
_emperor.setWaitCursor(true);
_stackTyrant.setCurrentFrame( ((ListView)data).selectedIndex() );
_emperor.setWaitCursor(false);
break;
case STACKVIEW_DBLCLICK:
// ignored
break;
case EVAL_STRING:
_emperor.setWaitCursor(true);
_consoleTyrant.eval((String)data);
_emperor.setWaitCursor(false);
break;
case EVAL_SEL_STRING:
if( null != _sourceTyrant && null != _sourceTyrant.getSelectedText())
{
_emperor.setWaitCursor(true);
_consoleTyrant.eval(_sourceTyrant.getSelectedText());
_emperor.setWaitCursor(false);
}
break;
case SHOW_LINE_NUMBERS:
if( null != _sourceViewManager )
{
_emperor.setWaitCursor(true);
_sourceViewManager.setShowLineNumbers( ! _sourceViewManager.getShowLineNumbers() );
_emperor.setWaitCursor(false);
}
refreshCmdStatesAndNotifyObservers();
break;
case TOGGLE_BREAKPOINT:
if( null == _breakpointTyrant ||
null == _sourceTyrant ||
null == (selURL = _sourceTyrant.getUrlOfSelectedLine()) ||
0 == (selLine = _sourceTyrant.getLineNumberOfSelectedLine()) ||
null == (item = _sourceTyrant.findSourceItem(selURL)) )
{
break;
}
sysline = _sourceTyrant.userLine2SystemLine(item,selLine);
loc = new Location( selURL, sysline );
bp = _breakpointTyrant.findBreakpoint(loc);
if( null == bp )
_breakpointTyrant.addBreakpoint(loc);
else
_breakpointTyrant.removeBreakpoint(bp);
// redraw done on notification from BreakpointTyrant...
break;
case COPY:
String s = _getCopyText();
if( null != s )
{
_setClipboardContents(s);
refreshCmdStatesAndNotifyObservers();
}
break;
case PASTE:
String contents = _getClipboardContents();
if( null != contents )
{
if( null != _inspectorView && _inspectorView.canPaste() )
_inspectorView.paste(contents);
else if( null != _consoleView && _consoleView.canPaste() )
_consoleView.paste(contents);
refreshCmdStatesAndNotifyObservers();
}
break;
case WATCHES_SHOW_HIDE:
if( null == _watchView )
break;
if( _watchView.isVisible() )
_watchView.hide();
else
{
_watchView.refresh();
_watchView.show();
}
refreshCmdStatesAndNotifyObservers();
break;
case COPY_TO_WATCH:
String str = _getCopyText();
if( null != str )
{
_watchTyrant.addWatchString(str);
_watchTyrant.evalList();
if( null != _watchView )
_watchView.refresh();
refreshCmdStatesAndNotifyObservers();
}
break;
case EDIT_BREAKPOINT:
if( null == _breakpointView ||
null == _breakpointTyrant ||
null == _sourceTyrant ||
null == (selURL = _sourceTyrant.getUrlOfSelectedLine()) ||
0 == (selLine = _sourceTyrant.getLineNumberOfSelectedLine()) ||
null == (item = _sourceTyrant.findSourceItem(selURL)) )
{
break;
}
sysline = _sourceTyrant.userLine2SystemLine(item,selLine);
loc = new Location( selURL, sysline );
bp = _breakpointTyrant.findBreakpoint(loc);
// if( null == bp )
// bp = _breakpointTyrant.addBreakpoint(loc);
if( null != bp )
_breakpointView.editBreakpoint(bp);
// redraw done on notification from BreakpointTyrant...
break;
case BREAKPOINTS_SHOW_HIDE:
if( null == _breakpointView )
break;
if( _breakpointView.isVisible() )
_breakpointView.hide();
else
{
_breakpointView.refresh();
_breakpointView.show();
}
refreshCmdStatesAndNotifyObservers();
break;
case INSPECTOR_SHOW_HIDE:
if( null == _inspectorView )
break;
if( _inspectorView.isVisible() )
_inspectorView.hide();
else
{
_inspectorView.refresh();
_inspectorView.show();
}
refreshCmdStatesAndNotifyObservers();
break;
case INSPECT_SEL_STRING:
if( null != _sourceTyrant && null != _sourceTyrant.getSelectedText())
{
_emperor.setWaitCursor(true);
_inspectorTyrant.setNewRootNode(_sourceTyrant.getSelectedText());
_emperor.setWaitCursor(false);
}
InspectorView iView = _emperor.getInspectorView();
if( null == _inspectorView )
break;
if( ! _inspectorView.isVisible() )
{
_inspectorView.refresh();
_inspectorView.show();
}
refreshCmdStatesAndNotifyObservers();
break;
case WATCH_STRING:
if( null != data )
{
_watchTyrant.addWatchString((String)data);
_watchTyrant.evalList();
if( null != _watchView )
_watchView.refresh();
refreshCmdStatesAndNotifyObservers();
}
break;
case CLEAR_CONSOLE:
if( null != _consoleView )
_consoleView.clear();
break;
case COPY_STRING:
if( null != data )
{
_setClipboardContents((String)data);
refreshCmdStatesAndNotifyObservers();
}
break;
case CUT:
String s2 = _getCutText();
if( null != s2 )
{
_setClipboardContents(s2);
refreshCmdStatesAndNotifyObservers();
}
break;
case TEST:
Test.doTest(_emperor);
break;
default:
if(AS.S)ER.T( false, "cmdState id not handled: " + cmdState.id, this);
break;
}
}
private void _setClipboardContents(String s)
{
if( ! _usingLocalClipboard )
{
try
{
PrivilegeManager.enablePrivilege("UniversalSystemClipboardAccess");
_app.setClipboardText(s);
return;
}
catch(Exception e)
{
_usingLocalClipboard = true;
// if(AS.DEBUG)System.out.println( "switching to use local clipboard");
}
}
_localClipboard = s;
}
private String _getClipboardContents()
{
if( ! _usingLocalClipboard )
{
try
{
PrivilegeManager.enablePrivilege("UniversalSystemClipboardAccess");
return _app.clipboardText();
}
catch(Exception e)
{
_usingLocalClipboard = true;
// if(AS.DEBUG)System.out.println( "switching to use local clipboard");
}
}
return _localClipboard;
}
private String _getCopyText()
{
String s = null;
if( null != _sourceTyrant )
s = _sourceTyrant.getSelectedText();
if( null == s )
{
if( null != _inspectorView && _inspectorView.canCopy() )
s = _inspectorView.copy();
else if( null != _consoleView && _consoleView.canCopy() )
s = _consoleView.copy();
}
return s;
}
private String _getCutText()
{
String s = null;
if( null != _inspectorView && _inspectorView.canCopy() )
s = _inspectorView.cut();
else if( null != _consoleView && _consoleView.canCopy() )
s = _consoleView.cut();
return s;
}
private void _updateSelectedPageListItem( ListView listview )
{
ListItem li = listview.selectedItem();
if( null != li )
{
SourceTextItem sti = PageListView.sourceTextItemForListItem(li);
_sourceTyrant.setSelectedSourceItem(sti);
}
else
_sourceTyrant.setSelectedSourceItem(null);
}
private void _getViewsFromEmperor()
{
if( _haveAllViews )
return;
if( null == _pageListView )
_pageListView = _emperor.getPageListView();
if( null == _sourceViewManager )
_sourceViewManager = _emperor.getSourceViewManager();
if( null == _commandView )
_commandView = _emperor.getCommandView();
if( null == _stackView )
_stackView = _emperor.getStackView();
if( null == _consoleView )
_consoleView = _emperor.getConsoleView();
if( null == _watchView )
_watchView = _emperor.getWatchView();
if( null == _breakpointView )
_breakpointView = _emperor.getBreakpointView();
if( null == _inspectorView )
_inspectorView = _emperor.getInspectorView();
_haveAllViews =
null != _pageListView &&
null != _sourceViewManager &&
null != _commandView &&
null != _stackView &&
null != _consoleView &&
null != _watchView &&
null != _breakpointView &&
null != _inspectorView ;
}
// data...
private Application _app;
private Emperor _emperor;
private ControlTyrant _controlTyrant ;
private BreakpointTyrant _breakpointTyrant;
private SourceTyrant _sourceTyrant ;
private StackTyrant _stackTyrant ;
private WatchTyrant _watchTyrant ;
private ConsoleTyrant _consoleTyrant ;
private InspectorTyrant _inspectorTyrant ;
// if any views are added, then add them to _getViewsFromEmperor()
private boolean _haveAllViews = false;
private PageListView _pageListView ;
private SourceViewManager _sourceViewManager;
private CommandView _commandView ;
private StackView _stackView ;
private ConsoleView _consoleView ;
private WatchView _watchView ;
private BreakpointView _breakpointView ;
private InspectorView _inspectorView ;
private String _localClipboard;
private boolean _usingLocalClipboard;
private CmdState[] _cmdStatesArray;
private Hashtable _cmdStatesHashtable;
}