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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 java.util.WeakHashMap;
   8
   9 import net.sourceforge.phpdt.internal.corext.template.TemplateMessages;
  10 import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
  11 import net.sourceforge.phpeclipse.ui.WebUI;
  12 //import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  13
  14 import org.eclipse.core.runtime.CoreException;
  15 import org.eclipse.jface.dialogs.MessageDialog;
  16 import org.eclipse.jface.text.BadLocationException;
  17 import org.eclipse.jface.text.IDocument;
  18 import org.eclipse.jface.text.IRegion;
  19 import org.eclipse.jface.text.ITextViewer;
  20 import org.eclipse.jface.text.contentassist.ContextInformation;
  21 import org.eclipse.jface.text.contentassist.IContextInformation;
  22 import org.eclipse.swt.graphics.Point;
  23 import org.eclipse.swt.widgets.Shell;
  24
  25
  26 /**
  27  * A PHP identifier proposal.
  28  */
  29 public abstract class AbstractProposal implements IPHPCompletionProposal {
  30         protected IRegion fSelectedRegion; // initialized by apply()
  31
  32         protected final ITextViewer fViewer;
  33
  34         protected ContextInformation fContextInfo;
  35
  36         public AbstractProposal(ITextViewer viewer) {
  37                 fContextInfo = null;
  38                 fViewer = viewer;
  39         }
  40
  41         protected static String textToHTML(String string) {
  42                 StringBuffer buffer = new StringBuffer(string.length());
  43                 buffer.append("<pre>"); //$NON-NLS-1$
  44
  45                 for (int i = 0; i != string.length(); i++) {
  46                         char ch = string.charAt(i);
  47
  48                         switch (ch) {
  49                         case '&':
  50                                 buffer.append("&amp;"); //$NON-NLS-1$
  51                                 break;
  52
  53                         case '<':
  54                                 buffer.append("&lt;"); //$NON-NLS-1$
  55                                 break;
  56
  57                         case '>':
  58                                 buffer.append("&gt;"); //$NON-NLS-1$
  59                                 break;
  60
  61                         case '\t':
  62                                 buffer.append("    "); //$NON-NLS-1$
  63                                 break;
  64
  65                         case '\n':
  66                                 buffer.append("<br>"); //$NON-NLS-1$
  67                                 break;
  68
  69                         default:
  70                                 buffer.append(ch);
  71                                 break;
  72                         }
  73                 }
  74
  75                 buffer.append("</pre>"); //$NON-NLS-1$
  76                 return buffer.toString();
  77         }
  78
  79         /*
  80          * @see ICompletionProposal#getSelection(IDocument)
  81          */
  82         public Point getSelection(IDocument document) {
  83                 return new Point(fSelectedRegion.getOffset(), fSelectedRegion
  84                                 .getLength());
  85         }
  86
  87         protected void handleException(CoreException e) {
  88                 WebUI.log(e);
  89         }
  90
  91         protected void openErrorDialog(BadLocationException e) {
  92                 Shell shell = fViewer.getTextWidget().getShell();
  93                 MessageDialog.openError(shell, TemplateMessages
  94                                 .getString("TemplateEvaluator.error.title"), e.getMessage()); //$NON-NLS-1$
  95         }
  96
  97         public IContextInformation getContextInformation() {
  98                 return null;
  99         }
 100
 101 }