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   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.preferences;
  12
  13 import java.util.Iterator;
  14
  15 import net.sourceforge.phpdt.internal.ui.text.IPHPPartitions;
  16 import net.sourceforge.phpdt.internal.ui.text.JavaWordFinder;
  17 import net.sourceforge.phpdt.internal.ui.text.template.preferences.TemplateVariableProcessor;
  18 import net.sourceforge.phpdt.ui.PreferenceConstants;
  19 import net.sourceforge.phpdt.ui.text.IColorManager;
  20 import net.sourceforge.phpdt.ui.text.JavaTextTools;
  21 import net.sourceforge.phpdt.ui.text.PHPSourceViewerConfiguration;
  22 //import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  23 import net.sourceforge.phpeclipse.ui.WebUI;
  24
  25 import org.eclipse.jface.preference.IPreferenceStore;
  26 import org.eclipse.jface.preference.PreferenceConverter;
  27 import org.eclipse.jface.text.BadLocationException;
  28 import org.eclipse.jface.text.IDocument;
  29 import org.eclipse.jface.text.IRegion;
  30 import org.eclipse.jface.text.ITextHover;
  31 import org.eclipse.jface.text.ITextViewer;
  32 import org.eclipse.jface.text.contentassist.ContentAssistant;
  33 import org.eclipse.jface.text.contentassist.IContentAssistant;
  34 import org.eclipse.jface.text.source.ISourceViewer;
  35 import org.eclipse.jface.text.templates.TemplateContextType;
  36 import org.eclipse.jface.text.templates.TemplateVariableResolver;
  37 import org.eclipse.swt.graphics.Color;
  38 import org.eclipse.swt.graphics.RGB;
  39 import org.eclipse.ui.texteditor.ITextEditor;
  40
  41 public class TemplateEditorSourceViewerConfiguration extends
  42                 PHPSourceViewerConfiguration {
  43
  44         private static class TemplateVariableTextHover implements ITextHover {
  45
  46                 private TemplateVariableProcessor fProcessor;
  47
  48                 /**
  49                  * @param type
  50                  */
  51                 public TemplateVariableTextHover(TemplateVariableProcessor processor) {
  52                         fProcessor = processor;
  53                 }
  54
  55                 /*
  56                  * (non-Javadoc)
  57                  *
  58                  * @see org.eclipse.jface.text.ITextHover#getHoverInfo(org.eclipse.jface.text.ITextViewer,
  59                  *      org.eclipse.jface.text.IRegion)
  60                  */
  61                 public String getHoverInfo(ITextViewer textViewer, IRegion subject) {
  62                         try {
  63                                 IDocument doc = textViewer.getDocument();
  64                                 int offset = subject.getOffset();
  65                                 if (offset >= 2 && "${".equals(doc.get(offset - 2, 2))) { //$NON-NLS-1$
  66                                         String varName = doc.get(offset, subject.getLength());
  67                                         TemplateContextType contextType = fProcessor
  68                                                         .getContextType();
  69                                         if (contextType != null) {
  70                                                 Iterator iter = contextType.resolvers();
  71                                                 while (iter.hasNext()) {
  72                                                         TemplateVariableResolver var = (TemplateVariableResolver) iter
  73                                                                         .next();
  74                                                         if (varName.equals(var.getType())) {
  75                                                                 return var.getDescription();
  76                                                         }
  77                                                 }
  78                                         }
  79                                 }
  80                         } catch (BadLocationException e) {
  81                         }
  82                         return null;
  83                 }
  84
  85                 /*
  86                  * (non-Javadoc)
  87                  *
  88                  * @see org.eclipse.jface.text.ITextHover#getHoverRegion(org.eclipse.jface.text.ITextViewer,
  89                  *      int)
  90                  */
  91                 public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
  92                         if (textViewer != null) {
  93                                 return JavaWordFinder
  94                                                 .findWord(textViewer.getDocument(), offset);
  95                         }
  96                         return null;
  97                 }
  98
  99         }
 100
 101         private final TemplateVariableProcessor fProcessor;
 102
 103         public TemplateEditorSourceViewerConfiguration(IColorManager colorManager,
 104                         IPreferenceStore store, ITextEditor editor,
 105                         TemplateVariableProcessor processor) {
 106                 super(colorManager, store, editor, IPHPPartitions.PHP_PARTITIONING);
 107                 fProcessor = processor;
 108         }
 109
 110         /*
 111          * @see SourceViewerConfiguration#getContentAssistant(ISourceViewer)
 112          */
 113         public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
 114
 115                 IPreferenceStore store = WebUI.getDefault()
 116                                 .getPreferenceStore();
 117                 JavaTextTools textTools = WebUI.getDefault()
 118                                 .getJavaTextTools();
 119                 IColorManager manager = textTools.getColorManager();
 120
 121                 ContentAssistant assistant = new ContentAssistant();
 122                 assistant.setContentAssistProcessor(fProcessor,
 123                                 IDocument.DEFAULT_CONTENT_TYPE);
 124                 // Register the same processor for strings and single line comments to
 125                 // get code completion at the start of those partitions.
 126                 assistant.setContentAssistProcessor(fProcessor,
 127                                 IPHPPartitions.PHP_STRING_DQ);
 128                 assistant.setContentAssistProcessor(fProcessor,
 129                                 IPHPPartitions.PHP_STRING_SQ);
 130                 assistant.setContentAssistProcessor(fProcessor,
 131                                 IPHPPartitions.PHP_STRING_HEREDOC);
 132                 assistant.setContentAssistProcessor(fProcessor,
 133                                 IPHPPartitions.PHP_SINGLELINE_COMMENT);
 134                 assistant.setContentAssistProcessor(fProcessor,
 135                                 IPHPPartitions.PHP_MULTILINE_COMMENT);
 136                 assistant.setContentAssistProcessor(fProcessor,
 137                                 IPHPPartitions.PHP_PHPDOC_COMMENT);
 138
 139                 assistant.enableAutoInsert(store
 140                                 .getBoolean(PreferenceConstants.CODEASSIST_AUTOINSERT));
 141                 assistant.enableAutoActivation(store
 142                                 .getBoolean(PreferenceConstants.CODEASSIST_AUTOACTIVATION));
 143                 assistant.setAutoActivationDelay(store
 144                                 .getInt(PreferenceConstants.CODEASSIST_AUTOACTIVATION_DELAY));
 145                 assistant
 146                                 .setProposalPopupOrientation(ContentAssistant.PROPOSAL_OVERLAY);
 147                 assistant
 148                                 .setContextInformationPopupOrientation(ContentAssistant.CONTEXT_INFO_ABOVE);
 149                 assistant
 150                                 .setInformationControlCreator(getInformationControlCreator(sourceViewer));
 151
 152                 Color background = getColor(store,
 153                                 PreferenceConstants.CODEASSIST_PROPOSALS_BACKGROUND, manager);
 154                 assistant.setContextInformationPopupBackground(background);
 155                 assistant.setContextSelectorBackground(background);
 156                 assistant.setProposalSelectorBackground(background);
 157
 158                 Color foreground = getColor(store,
 159                                 PreferenceConstants.CODEASSIST_PROPOSALS_FOREGROUND, manager);
 160                 assistant.setContextInformationPopupForeground(foreground);
 161                 assistant.setContextSelectorForeground(foreground);
 162                 assistant.setProposalSelectorForeground(foreground);
 163
 164                 return assistant;
 165         }
 166
 167         private Color getColor(IPreferenceStore store, String key,
 168                         IColorManager manager) {
 169                 RGB rgb = PreferenceConverter.getColor(store, key);
 170                 return manager.getColor(rgb);
 171         }
 172
 173         /*
 174          * @see SourceViewerConfiguration#getTextHover(ISourceViewer, String, int)
 175          * @since 2.1
 176          */
 177         public ITextHover getTextHover(ISourceViewer sourceViewer,
 178                         String contentType, int stateMask) {
 179                 return new TemplateVariableTextHover(fProcessor);
 180         }
 181
 182 }