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Code Issues Wiki Activity

2005-03-30 Alain Magloire

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Fix PR 87334
	* src/org/eclipse/cdt/internal/ui/compare/CMergeViewer.java
This commit is contained in:
Alain Magloire 2005-03-30 16:27:08 +00:00
parent 3097c2f126
commit 61da45c653
2 changed files with 109 additions and 3 deletions
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4
core/org.eclipse.cdt.ui/ChangeLog
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@ -1,3 +1,7 @@
2005-03-30 Alain Magloire
Fix PR 87334
* src/org/eclipse/cdt/internal/ui/compare/CMergeViewer.java
2005-03-29 Chris Wiebe
prevent duplicate #includes
* src/org/eclipse/cdt/internal/ui/wizards/NewClassCodeGenerator.java

106
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/compare/CMergeViewer.java
View file

@ -7,10 +7,14 @@ package org.eclipse.cdt.internal.ui.compare;
import org.eclipse.cdt.internal.ui.text.CSourceViewerConfiguration;
import org.eclipse.cdt.internal.ui.text.CTextTools;
import org.eclipse.cdt.internal.ui.text.ICColorConstants;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.texteditor.AbstractTextEditor;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.contentmergeviewer.ITokenComparator;
@ -18,24 +22,121 @@ import org.eclipse.compare.contentmergeviewer.TextMergeViewer;
import org.eclipse.compare.internal.TokenComparator;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.TextViewer;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
public class CMergeViewer extends TextMergeViewer {
private static final String TITLE= "CMergeViewer.title"; //$NON-NLS-1$
private IPropertyChangeListener fPreferenceChangeListener;
private IPreferenceStore fPreferenceStore;
private boolean fUseSystemColors;
private CSourceViewerConfiguration fSourceViewerConfiguration;
private CTextTools fCTextTools;
public CMergeViewer(Composite parent, int styles, CompareConfiguration mp) {
super(parent, styles, mp);
fPreferenceStore= CUIPlugin.getDefault().getCombinedPreferenceStore();
if (fPreferenceStore != null) {
fPreferenceChangeListener= new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
handlePropertyChange(event);
}
};
fPreferenceStore.addPropertyChangeListener(fPreferenceChangeListener);
}
fUseSystemColors= fPreferenceStore.getBoolean(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT);
if (! fUseSystemColors) {
RGB bg= createColor(fPreferenceStore, AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND);
setBackgroundColor(bg);
RGB fg= createColor(fPreferenceStore, ICColorConstants.C_DEFAULT);
setForegroundColor(fg);
}
}
protected void handleDispose(DisposeEvent event) {
if (fPreferenceChangeListener != null) {
fPreferenceStore.removePropertyChangeListener(fPreferenceChangeListener);
fPreferenceChangeListener= null;
}
super.handleDispose(event);
}
protected void handlePropertyChange(PropertyChangeEvent event) {
String key= event.getProperty();
if (key.equals(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND)) {
if (!fUseSystemColors) {
RGB bg= createColor(fPreferenceStore, AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND);
setBackgroundColor(bg);
}
} else if (key.equals(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) {
fUseSystemColors= fPreferenceStore.getBoolean(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT);
if (fUseSystemColors) {
setBackgroundColor(null);
setForegroundColor(null);
} else {
RGB bg= createColor(fPreferenceStore, AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND);
setBackgroundColor(bg);
RGB fg= createColor(fPreferenceStore, ICColorConstants.C_DEFAULT);
setForegroundColor(fg);
}
} else if (key.equals(ICColorConstants.C_DEFAULT)) {
if (!fUseSystemColors) {
RGB fg= createColor(fPreferenceStore, ICColorConstants.C_DEFAULT);
setForegroundColor(fg);
}
}
if (getTextTools().affectsBehavior(event)) {
invalidateTextPresentation();
}
}
/**
* Creates a color from the information stored in the given preference store.
* Returns <code>null</code> if there is no such information available.
*/
private static RGB createColor(IPreferenceStore store, String key) {
if (!store.contains(key))
return null;
if (store.isDefault(key))
return PreferenceConverter.getDefaultColor(store, key);
return PreferenceConverter.getColor(store, key);
}
private CTextTools getTextTools() {
if (fCTextTools == null) {
fCTextTools = CUIPlugin.getDefault().getTextTools();
}
return fCTextTools;
}
private CSourceViewerConfiguration getSourceViewerConfiguration() {
if (fSourceViewerConfiguration == null) {
CTextTools tools= getTextTools();
fSourceViewerConfiguration = new CSourceViewerConfiguration(tools, null);
}
return fSourceViewerConfiguration;
}
public String getTitle() {
return CUIPlugin.getResourceString(TITLE);
}
protected ITokenComparator createTokenComparator(String s) {
return new TokenComparator(s);
}
@ -47,7 +148,8 @@ public class CMergeViewer extends TextMergeViewer {
protected void configureTextViewer(TextViewer textViewer) {
if (textViewer instanceof SourceViewer) {
CTextTools tools= CUIPlugin.getDefault().getTextTools();
((SourceViewer)textViewer).configure(new CSourceViewerConfiguration(tools, null));
((SourceViewer)textViewer).configure(getSourceViewerConfiguration());
}
}
}