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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
  11 import org.eclipse.jface.dialogs.MessageDialog;
  12 import org.eclipse.jface.text.BadLocationException;
  13 import org.eclipse.jface.text.IDocument;
  14 import org.eclipse.jface.text.ITextViewer;
  15 import org.eclipse.jface.text.contentassist.ICompletionProposal;
  16 import org.eclipse.jface.text.contentassist.IContextInformation;
  17 import org.eclipse.swt.graphics.Image;
  18 import org.eclipse.swt.graphics.Point;
  19 import org.eclipse.swt.widgets.Shell;
  20 //import org.eclipse.jdt.internal.ui.JavaPlugin;
  21
  22 /**
  23  * A proposal for insertion of template variables.
  24  */
  25 public class TemplateVariableProposal implements ICompletionProposal {
  26
  27         private TemplateVariable fVariable;
  28         private int fOffset;
  29         private int fLength;
  30         private ITextViewer fViewer;
  31
  32         private Point fSelection;
  33
  34         /**
  35          * Creates a template variable proposal.
  36          *
  37          * @param variable the template variable
  38          * @param offset the offset to replace
  39          * @param length the length to replace
  40          * @param viewer the viewer
  41          */
  42         public TemplateVariableProposal(TemplateVariable variable, int offset, int length, ITextViewer viewer) {
  43                 fVariable= variable;
  44                 fOffset= offset;
  45                 fLength= length;
  46                 fViewer= viewer;
  47         }
  48
  49         /*
  50          * @see ICompletionProposal#apply(IDocument)
  51          */
  52         public void apply(IDocument document) {
  53
  54                 try {
  55                         String variable= fVariable.getName().equals("dollar") ? "$$" : "${" + fVariable.getName() + '}'; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  56                         document.replace(fOffset, fLength, variable);
  57                         fSelection= new Point(fOffset + variable.length(), 0);
  58
  59                 } catch (BadLocationException e) {
  60                         PHPeclipsePlugin.log(e);
  61
  62                         Shell shell= fViewer.getTextWidget().getShell();
  63                         MessageDialog.openError(shell, TemplateMessages.getString("TemplateVariableProposal.error.title"), e.getMessage()); //$NON-NLS-1$
  64                 }
  65         }
  66
  67         /*
  68          * @see ICompletionProposal#getSelection(IDocument)
  69          */
  70         public Point getSelection(IDocument document) {
  71                 return fSelection;
  72         }
  73
  74         /*
  75          * @see ICompletionProposal#getAdditionalProposalInfo()
  76          */
  77         public String getAdditionalProposalInfo() {
  78                 return null;
  79         }
  80
  81         /*
  82          * @see ICompletionProposal#getDisplayString()
  83          */
  84         public String getDisplayString() {
  85                 return fVariable.getName() + " - " + fVariable.getDescription(); //$NON-NLS-1$
  86         }
  87
  88         /*
  89          * @see ICompletionProposal#getImage()
  90          */
  91         public Image getImage() {
  92                 return null;
  93         }
  94
  95         /*
  96          * @see ICompletionProposal#getContextInformation()
  97          */
  98         public IContextInformation getContextInformation() {
  99                 return null;
 100         }
 101 }