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   1 /*
   2  * (c) Copyright IBM Corp. 2000, 2001.
   3  * All Rights Reserved.
   4  */
   5 package net.sourceforge.phpdt.internal.ui.text.template;
   6
   7 import net.sourceforge.phpdt.internal.corext.template.TemplateMessages;
   8 import net.sourceforge.phpdt.internal.corext.template.TemplateVariable;
   9 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  10 import org.eclipse.jface.dialogs.MessageDialog;
  11 import org.eclipse.jface.text.BadLocationException;
  12 import org.eclipse.jface.text.IDocument;
  13 import org.eclipse.jface.text.ITextViewer;
  14 import org.eclipse.jface.text.contentassist.ICompletionProposal;
  15 import org.eclipse.jface.text.contentassist.IContextInformation;
  16 import org.eclipse.swt.graphics.Image;
  17 import org.eclipse.swt.graphics.Point;
  18 import org.eclipse.swt.widgets.Shell;
  19 //import org.eclipse.jdt.internal.ui.JavaPlugin;
  20
  21 /**
  22  * A proposal for insertion of template variables.
  23  */
  24 public class TemplateVariableProposal implements ICompletionProposal {
  25
  26         private TemplateVariable fVariable;
  27         private int fOffset;
  28         private int fLength;
  29         private ITextViewer fViewer;
  30
  31         private Point fSelection;
  32
  33         /**
  34          * Creates a template variable proposal.
  35          *
  36          * @param variable the template variable
  37          * @param offset the offset to replace
  38          * @param length the length to replace
  39          * @param viewer the viewer
  40          */
  41         public TemplateVariableProposal(TemplateVariable variable, int offset, int length, ITextViewer viewer) {
  42                 fVariable= variable;
  43                 fOffset= offset;
  44                 fLength= length;
  45                 fViewer= viewer;
  46         }
  47
  48         /*
  49          * @see ICompletionProposal#apply(IDocument)
  50          */
  51         public void apply(IDocument document) {
  52
  53                 try {
  54                         String variable= fVariable.getName().equals("dollar") ? "$$" : "${" + fVariable.getName() + '}'; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  55                         document.replace(fOffset, fLength, variable);
  56                         fSelection= new Point(fOffset + variable.length(), 0);
  57
  58                 } catch (BadLocationException e) {
  59                         PHPeclipsePlugin.log(e);
  60
  61                         Shell shell= fViewer.getTextWidget().getShell();
  62                         MessageDialog.openError(shell, TemplateMessages.getString("TemplateVariableProposal.error.title"), e.getMessage()); //$NON-NLS-1$
  63                 }
  64         }
  65
  66         /*
  67          * @see ICompletionProposal#getSelection(IDocument)
  68          */
  69         public Point getSelection(IDocument document) {
  70                 return fSelection;
  71         }
  72
  73         /*
  74          * @see ICompletionProposal#getAdditionalProposalInfo()
  75          */
  76         public String getAdditionalProposalInfo() {
  77                 return null;
  78         }
  79
  80         /*
  81          * @see ICompletionProposal#getDisplayString()
  82          */
  83         public String getDisplayString() {
  84                 return fVariable.getName() + " - " + fVariable.getDescription(); //$NON-NLS-1$
  85         }
  86
  87         /*
  88          * @see ICompletionProposal#getImage()
  89          */
  90         public Image getImage() {
  91                 return null;
  92         }
  93
  94         /*
  95          * @see ICompletionProposal#getContextInformation()
  96          */
  97         public IContextInformation getContextInformation() {
  98                 return null;
  99         }
 100 }