net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/java/JavaFormattingStrategy.java

   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 org.eclipse.jface.text.IDocument;
   8 import org.eclipse.jface.text.formatter.IFormattingStrategy;
   9 import org.eclipse.jface.text.source.ISourceViewer;
  10
  11 import net.sourceforge.phpdt.core.ICodeFormatter;
  12 import net.sourceforge.phpdt.core.ToolFactory;
  13
  14 import net.sourceforge.phpdt.internal.corext.codemanipulation.StubUtility;
  15 import net.sourceforge.phpdt.internal.corext.util.Strings;
  16 import net.sourceforge.phpdt.internal.ui.preferences.CodeFormatterPreferencePage;
  17
  18 public class JavaFormattingStrategy implements IFormattingStrategy {
  19
  20         private String fInitialIndentation;
  21         private ISourceViewer fViewer;
  22
  23         public JavaFormattingStrategy(ISourceViewer viewer) {
  24                 fViewer = viewer;
  25         }
  26
  27         /**
  28          * @see IFormattingStrategy#formatterStarts(String)
  29          */
  30         public void formatterStarts(String initialIndentation) {
  31                 fInitialIndentation= initialIndentation;
  32         }
  33
  34         /**
  35          * @see IFormattingStrategy#formatterStops()
  36          */
  37         public void formatterStops() {
  38         }
  39
  40         /**
  41          * @see IFormattingStrategy#format(String, boolean, String, int[])
  42          */
  43         public String format(String content, boolean isLineStart, String indentation, int[] positions) {
  44                 ICodeFormatter formatter= ToolFactory.createCodeFormatter();
  45
  46                 IDocument doc= fViewer.getDocument();
  47                 String lineDelimiter= StubUtility.getLineDelimiterFor(doc);
  48
  49                 int indent= 0;
  50                 if (fInitialIndentation != null) {
  51                         indent= Strings.computeIndent(fInitialIndentation, CodeFormatterPreferencePage.getTabSize());
  52                 }
  53                 return formatter.format(content, indent, positions, lineDelimiter);
  54         }
  55 }