net.sourceforge.phpeclipse/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  */
  23 public class VariablePosition extends ProposalPosition {
  24
  25         private MultiVariableGuess fGuess;
  26         private MultiVariable fVariable;
  27
  28         public VariablePosition(IDocument document, int offset, int length, MultiVariableGuess guess, MultiVariable variable) {
  29                 this(document, offset, length, LinkedPositionGroup.NO_STOP, guess, variable);
  30         }
  31
  32         public VariablePosition(IDocument document, int offset, int length, int sequence, MultiVariableGuess guess, MultiVariable variable) {
  33                 super(document, offset, length, sequence, null);
  34                 Assert.isNotNull(guess);
  35                 Assert.isNotNull(variable);
  36                 fVariable= variable;
  37                 fGuess= guess;
  38         }
  39
  40
  41         /*
  42          * @see org.eclipse.jface.text.link.ProposalPosition#equals(java.lang.Object)
  43          */
  44         public boolean equals(Object o) {
  45                 if (o instanceof VariablePosition && super.equals(o)) {
  46                         return fGuess.equals(((VariablePosition) o).fGuess);
  47                 }
  48                 return false;
  49         }
  50
  51         /*
  52          * @see org.eclipse.jface.text.link.ProposalPosition#hashCode()
  53          */
  54         public int hashCode() {
  55                 return super.hashCode() | fGuess.hashCode();
  56         }
  57
  58         /*
  59          * @see org.eclipse.jface.text.link.ProposalPosition#getChoices()
  60          */
  61         public ICompletionProposal[] getChoices() {
  62                 return fGuess.getProposals(fVariable, offset, length);
  63         }
  64
  65         /**
  66          * @return
  67          */
  68         public MultiVariable getVariable() {
  69                 return fVariable;
  70         }
  71
  72 }