net.sourceforge.phpeclipse.xdebug.ui/src/net/sourceforge/phpeclipse/xdebug/ui/actions/ToggleBreakpointRulerAction.java

   1 /**********************************************************************
   2 Copyright (c) 2000, 2002 IBM Corp. and others.
   3 All rights reserved. This program and the accompanying materials
   4 are made available under the terms of the Common Public License v1.0
   5 which accompanies this distribution, and is available at
   6 http://www.eclipse.org/legal/cpl-v10.html
   7
   8 Contributors:
   9     IBM Corporation - Initial implementation
  10     Vicente Fernando - www.alfersoft.com.ar
  11 **********************************************************************/
  12 package net.sourceforge.phpeclipse.xdebug.ui.actions;
  13
  14 import net.sourceforge.phpeclipse.xdebug.ui.XDebugUIPlugin;
  15 import net.sourceforge.phpeclipse.xdebug.ui.php.model.PHPLineBreakpointAdapter;
  16
  17 import org.eclipse.core.runtime.CoreException;
  18 import org.eclipse.debug.core.DebugPlugin;
  19 import org.eclipse.jface.action.Action;
  20 import org.eclipse.jface.text.BadLocationException;
  21 import org.eclipse.jface.text.IDocument;
  22 import org.eclipse.jface.text.IRegion;
  23 import org.eclipse.jface.text.TextSelection;
  24 import org.eclipse.jface.text.source.IVerticalRulerInfo;
  25 import org.eclipse.jface.viewers.ISelection;
  26 import org.eclipse.ui.IWorkbenchPart;
  27 import org.eclipse.ui.texteditor.IDocumentProvider;
  28 import org.eclipse.ui.texteditor.ITextEditor;
  29
  30 public class ToggleBreakpointRulerAction extends Action {
  31
  32         static class EmptySelection implements ISelection {
  33
  34                 public boolean isEmpty() {
  35                         return true;
  36                 }
  37         }
  38
  39         private IVerticalRulerInfo fRuler;
  40         private IWorkbenchPart fTargetPart;
  41         private PHPLineBreakpointAdapter fBreakpointAdapter;
  42         private static final ISelection EMPTY_SELECTION = new EmptySelection();
  43
  44         public ToggleBreakpointRulerAction( IWorkbenchPart part, IVerticalRulerInfo ruler ) {
  45                 super( "Toggle Breakpoint" ); //$NON-NLS-1$
  46
  47                 fRuler= ruler;
  48                 fRuler = ruler;
  49                 setTargetPart( part );
  50                 fBreakpointAdapter = new PHPLineBreakpointAdapter();
  51 //              part.getSite().getWorkbenchWindow().getWorkbench().getHelpSystem().setHelp( this, ICDebugHelpContextIds.TOGGLE_BREAKPOINT_ACTION );
  52 //              setId( IInternalCDebugUIConstants.ACTION_TOGGLE_BREAKPOINT );
  53         }
  54
  55
  56         /**
  57          * @see Action#run()
  58          */
  59         public void run() {
  60                 try {
  61                                 fBreakpointAdapter.toggleLineBreakpoints( getTargetPart(), getTargetSelection() );
  62                 }
  63                 catch( CoreException e ) {
  64                         XDebugUIPlugin.errorDialog( getTargetPart().getSite().getShell(),"Error", "Operation failed" , e.getStatus() );
  65                 }
  66         }
  67
  68         /**
  69          * Returns this action's vertical ruler info.
  70          *
  71          * @return this action's vertical ruler
  72          */
  73         protected IVerticalRulerInfo getVerticalRulerInfo() {
  74                 return fRuler;
  75         }
  76
  77         private IWorkbenchPart getTargetPart() {
  78                 return this.fTargetPart;
  79         }
  80
  81         private void setTargetPart( IWorkbenchPart targetPart ) {
  82                 this.fTargetPart = targetPart;
  83         }
  84
  85         /**
  86          * Returns the current selection in the active part, possibly
  87          * and empty selection, but never <code>null</code>.
  88          *
  89          * @return the selection in the active part, possibly empty
  90          */
  91         private ISelection getTargetSelection() {
  92                 IDocument doc = getDocument();
  93                 if ( doc != null ) {
  94                         int line = getVerticalRulerInfo().getLineOfLastMouseButtonActivity();
  95                         try {
  96                                 IRegion region = doc.getLineInformation( line );
  97                                 return new TextSelection( doc, region.getOffset(), region.getLength() );
  98                         }
  99                         catch( BadLocationException e ) {
 100                                 DebugPlugin.log( e );
 101                         }
 102                 }
 103                 return EMPTY_SELECTION;
 104         }
 105
 106         private IDocument getDocument() {
 107                 IWorkbenchPart targetPart = getTargetPart();
 108                 if ( targetPart instanceof ITextEditor ) {
 109                         ITextEditor textEditor = (ITextEditor)targetPart;
 110                         IDocumentProvider provider = textEditor.getDocumentProvider();
 111                         if ( provider != null )
 112                                 return provider.getDocument( textEditor.getEditorInput() );
 113                 }
 114 //              else if ( targetPart instanceof DisassemblyView ) {
 115 //                      DisassemblyView dv = (DisassemblyView)targetPart;
 116 //                      IDocumentProvider provider = dv.getDocumentProvider();
 117 //                      if ( provider != null )
 118 //                              return provider.getDocument( dv.getInput() );
 119 //              }
 120                 return null;
 121         }
 122
 123 }