net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/template/contentassist/VariablePosition.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation 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 API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.ui.text.template.contentassist;
  12
  13 import org.eclipse.jface.text.Assert;
  14 import org.eclipse.jface.text.IDocument;
  15 import org.eclipse.jface.text.contentassist.ICompletionProposal;
  16 import org.eclipse.jface.text.link.LinkedPositionGroup;
  17 import org.eclipse.jface.text.link.ProposalPosition;
  18
  19 /**
  20  *
  21  */
  22 public class VariablePosition extends ProposalPosition {
  23
  24         private MultiVariableGuess fGuess;
  25
  26         private MultiVariable fVariable;
  27
  28         public VariablePosition(IDocument document, int offset, int length,
  29                         MultiVariableGuess guess, MultiVariable variable) {
  30                 this(document, offset, length, LinkedPositionGroup.NO_STOP, guess,
  31                                 variable);
  32         }
  33
  34         public VariablePosition(IDocument document, int offset, int length,
  35                         int sequence, MultiVariableGuess guess, MultiVariable variable) {
  36                 super(document, offset, length, sequence, null);
  37                 Assert.isNotNull(guess);
  38                 Assert.isNotNull(variable);
  39                 fVariable = variable;
  40                 fGuess = guess;
  41         }
  42
  43         /*
  44          * @see org.eclipse.jface.text.link.ProposalPosition#equals(java.lang.Object)
  45          */
  46         public boolean equals(Object o) {
  47                 if (o instanceof VariablePosition && super.equals(o)) {
  48                         return fGuess.equals(((VariablePosition) o).fGuess);
  49                 }
  50                 return false;
  51         }
  52
  53         /*
  54          * @see org.eclipse.jface.text.link.ProposalPosition#hashCode()
  55          */
  56         public int hashCode() {
  57                 return super.hashCode() | fGuess.hashCode();
  58         }
  59
  60         /*
  61          * @see org.eclipse.jface.text.link.ProposalPosition#getChoices()
  62          */
  63         public ICompletionProposal[] getChoices() {
  64                 return fGuess.getProposals(fVariable, offset, length);
  65         }
  66
  67         /**
  68          * @return
  69          */
  70         public MultiVariable getVariable() {
  71                 return fVariable;
  72         }
  73
  74 }