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1
11 package org.eclipse.jdt.internal.ui.preferences;
12
13 import java.util.Iterator  ;
14
15 import org.eclipse.swt.SWT;
16 import org.eclipse.swt.graphics.Color;
17 import org.eclipse.swt.graphics.RGB;
18 import org.eclipse.swt.widgets.Shell;
19
20 import org.eclipse.jface.internal.text.html.HTMLTextPresenter;
21 import org.eclipse.jface.preference.IPreferenceStore;
22 import org.eclipse.jface.preference.PreferenceConverter;
23
24 import org.eclipse.jface.text.BadLocationException;
25 import org.eclipse.jface.text.DefaultInformationControl;
26 import org.eclipse.jface.text.IDocument;
27 import org.eclipse.jface.text.IInformationControl;
28 import org.eclipse.jface.text.IInformationControlCreator;
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
38 import org.eclipse.ui.texteditor.ITextEditor;
39
40 import org.eclipse.jdt.ui.PreferenceConstants;
41 import org.eclipse.jdt.ui.text.IColorManager;
42 import org.eclipse.jdt.ui.text.IJavaPartitions;
43 import org.eclipse.jdt.ui.text.JavaTextTools;
44
45 import org.eclipse.jdt.internal.ui.JavaPlugin;
46 import org.eclipse.jdt.internal.ui.text.JavaWordFinder;
47 import org.eclipse.jdt.internal.ui.text.SimpleJavaSourceViewerConfiguration;
48 import org.eclipse.jdt.internal.ui.text.template.preferences.TemplateVariableProcessor;
49
50
51 public class CodeTemplateSourceViewerConfiguration extends SimpleJavaSourceViewerConfiguration {
52
53 private static class TemplateVariableTextHover implements ITextHover {
54
55 private TemplateVariableProcessor fProcessor;
56
57
60 public TemplateVariableTextHover(TemplateVariableProcessor processor) {
61 fProcessor= processor;
62 }
63
64
67 public String getHoverInfo(ITextViewer textViewer, IRegion subject) {
68 try {
69 IDocument doc= textViewer.getDocument();
70 int offset= subject.getOffset();
71 if (offset >= 2 && "${".equals(doc.get(offset-2, 2))) { String varName= doc.get(offset, subject.getLength());
73 TemplateContextType contextType= fProcessor.getContextType();
74 if (contextType != null) {
75 Iterator iter= contextType.resolvers();
76 while (iter.hasNext()) {
77 TemplateVariableResolver var= (TemplateVariableResolver) iter.next();
78 if (varName.equals(var.getType())) {
79 return var.getDescription();
80 }
81 }
82 }
83 }
84 } catch (BadLocationException e) {
85 }
86 return null;
87 }
88
89
92 public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
93 if (textViewer != null) {
94 return JavaWordFinder.findWord(textViewer.getDocument(), offset);
95 }
96 return null;
97 }
98
99 }
100
101 private final TemplateVariableProcessor fProcessor;
102
103 public CodeTemplateSourceViewerConfiguration(IColorManager colorManager, IPreferenceStore store, ITextEditor editor, TemplateVariableProcessor processor) {
104 super(colorManager, store, editor, IJavaPartitions.JAVA_PARTITIONING, false);
105 fProcessor= processor;
106 }
107
108
111 public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
112
113 IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
114 JavaTextTools textTools= JavaPlugin.getDefault().getJavaTextTools();
115 IColorManager manager= textTools.getColorManager();
116
117
118 ContentAssistant assistant= new ContentAssistant();
119 assistant.setContentAssistProcessor(fProcessor, IDocument.DEFAULT_CONTENT_TYPE);
120 assistant.setContentAssistProcessor(fProcessor, IJavaPartitions.JAVA_STRING);
122 assistant.setContentAssistProcessor(fProcessor, IJavaPartitions.JAVA_CHARACTER);
123 assistant.setContentAssistProcessor(fProcessor, IJavaPartitions.JAVA_SINGLE_LINE_COMMENT);
124 assistant.setContentAssistProcessor(fProcessor, IJavaPartitions.JAVA_MULTI_LINE_COMMENT);
125 assistant.setContentAssistProcessor(fProcessor, IJavaPartitions.JAVA_DOC);
126
127 assistant.enableAutoInsert(store.getBoolean(PreferenceConstants.CODEASSIST_AUTOINSERT));
128 assistant.enableAutoActivation(store.getBoolean(PreferenceConstants.CODEASSIST_AUTOACTIVATION));
129 assistant.setAutoActivationDelay(store.getInt(PreferenceConstants.CODEASSIST_AUTOACTIVATION_DELAY));
130 assistant.setProposalPopupOrientation(IContentAssistant.PROPOSAL_OVERLAY);
131 assistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
132 assistant.setInformationControlCreator(new IInformationControlCreator() {
133 public IInformationControl createInformationControl(Shell parent) {
134 return new DefaultInformationControl(parent, SWT.NONE, new HTMLTextPresenter(true));
135 }
136 });
137
138 Color background= getColor(store, PreferenceConstants.CODEASSIST_PROPOSALS_BACKGROUND, manager);
139 assistant.setContextInformationPopupBackground(background);
140 assistant.setContextSelectorBackground(background);
141 assistant.setProposalSelectorBackground(background);
142
143 Color foreground= getColor(store, PreferenceConstants.CODEASSIST_PROPOSALS_FOREGROUND, manager);
144 assistant.setContextInformationPopupForeground(foreground);
145 assistant.setContextSelectorForeground(foreground);
146 assistant.setProposalSelectorForeground(foreground);
147
148 return assistant;
149 }
150
151 private Color getColor(IPreferenceStore store, String key, IColorManager manager) {
152 RGB rgb= PreferenceConverter.getColor(store, key);
153 return manager.getColor(rgb);
154 }
155
156
160 public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType, int stateMask) {
161 return new TemplateVariableTextHover(fProcessor);
162 }
163
164 }
165 |
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