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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.java;
   6
   7 import net.sourceforge.phpdt.core.ICodeFormatter;
   8 import net.sourceforge.phpdt.core.ToolFactory;
   9 import net.sourceforge.phpdt.internal.corext.codemanipulation.StubUtility;
  10 import net.sourceforge.phpdt.internal.corext.util.Strings;
  11 import net.sourceforge.phpdt.internal.ui.preferences.CodeFormatterPreferencePage;
  12
  13 import org.eclipse.jface.text.IDocument;
  14 import org.eclipse.jface.text.formatter.IFormattingStrategy;
  15 import org.eclipse.jface.text.source.ISourceViewer;
  16
  17 public class JavaFormattingStrategy implements IFormattingStrategy {
  18
  19         private String fInitialIndentation;
  20         private ISourceViewer fViewer;
  21
  22         public JavaFormattingStrategy(ISourceViewer viewer) {
  23                 fViewer = viewer;
  24         }
  25
  26         /**
  27          * @see IFormattingStrategy#formatterStarts(String)
  28          */
  29         public void formatterStarts(String initialIndentation) {
  30                 fInitialIndentation= initialIndentation;
  31         }
  32
  33         /**
  34          * @see IFormattingStrategy#formatterStops()
  35          */
  36         public void formatterStops() {
  37         }
  38
  39         /**
  40          * @see IFormattingStrategy#format(String, boolean, String, int[])
  41          */
  42         public String format(String content, boolean isLineStart, String indentation, int[] positions) {
  43                 ICodeFormatter formatter= ToolFactory.createCodeFormatter();
  44
  45                 IDocument doc= fViewer.getDocument();
  46                 String lineDelimiter= StubUtility.getLineDelimiterFor(doc);
  47
  48                 int indent= 0;
  49                 if (fInitialIndentation != null) {
  50                         indent= Strings.computeIndent(fInitialIndentation, CodeFormatterPreferencePage.getTabSize());
  51                 }
  52                 return formatter.format(content, indent, positions, lineDelimiter);
  53         }
  54 }