refactory: added UI removed from core plugin.

[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpeclipse / xml / ui / internal / compare / DTDMergeViewer.java

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/compare/DTDMergeViewer.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/compare/DTDMergeViewer.java
new file mode 100644 (file)
index 0000000..a833e92
--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/compare/DTDMergeViewer.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2002-2004 Widespace, OU and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ *     Igor Malinin - initial contribution
+ *
+ * $Id: DTDMergeViewer.java,v 1.3 2006-10-21 23:14:13 pombredanne Exp $
+ */
+
+package net.sourceforge.phpeclipse.xml.ui.internal.compare;
+
+import net.sourceforge.phpeclipse.xml.ui.XMLPlugin;
+import net.sourceforge.phpeclipse.xml.ui.internal.text.DTDConfiguration;
+import net.sourceforge.phpeclipse.xml.ui.text.DTDTextTools;
+
+import org.eclipse.compare.CompareConfiguration;
+import org.eclipse.compare.contentmergeviewer.TextMergeViewer;
+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;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.texteditor.AbstractTextEditor;
+
+/**
+ * @author Igor Malinin
+ */
+public class DTDMergeViewer extends TextMergeViewer {
+
+       /**
+        * The preference store.
+        */
+       private IPreferenceStore preferenceStore;
+
+       /**
+        * The listener for changes to the preference store.
+        */
+       private IPropertyChangeListener propertyChangeListener;
+
+       /**
+        * The DTD text tools.
+        */
+       private DTDTextTools textTools;
+
+       /*
+        * @see TextMergeViewer#TextMergeViewer(Composite, int,
+        *      CompareConfiguration)
+        */
+       public DTDMergeViewer(Composite parent, int style,
+                       CompareConfiguration configuration) {
+               super(parent, style, configuration);
+       }
+
+       // TextMergeViewer Implementation ------------------------------------------
+
+       /*
+        * @see TextMergeViewer#configureTextViewer()
+        */
+       protected void configureTextViewer(TextViewer textViewer) {
+               XMLPlugin plugin = XMLPlugin.getDefault();
+
+               preferenceStore = plugin.getPreferenceStore();
+               if (preferenceStore != null) {
+                       propertyChangeListener = new IPropertyChangeListener() {
+                               public void propertyChange(PropertyChangeEvent event) {
+                                       handlePreferenceStoreChanged(event);
+                               }
+                       };
+                       preferenceStore.addPropertyChangeListener(propertyChangeListener);
+               }
+
+               textTools = plugin.getDTDTextTools();
+
+               if (textViewer instanceof SourceViewer) {
+                       SourceViewer sourceViewer = (SourceViewer) textViewer;
+                       sourceViewer.configure(new DTDConfiguration(textTools));
+               }
+
+               updateBackgroundColor();
+       }
+
+       /*
+        * @see TextMergeViewer#getDocumentPartitioner()
+        */
+       protected IDocumentPartitioner getDocumentPartitioner() {
+               return textTools.createDTDPartitioner();
+       }
+
+       /*
+        * @see org.eclipse.compare.contentmergeviewer.ContentMergeViewer#getTitle()
+        */
+       public String getTitle() {
+               return XMLPlugin.getResourceString("DTDMergeViewer.title"); //$NON-NLS-1$
+       }
+
+       /*
+        * @see org.eclipse.jface.viewers.ContentViewer#handleDispose(org.eclipse.swt.events.DisposeEvent)
+        */
+       protected void handleDispose(DisposeEvent event) {
+               if (propertyChangeListener != null) {
+                       if (preferenceStore != null) {
+                               preferenceStore
+                                               .removePropertyChangeListener(propertyChangeListener);
+                       }
+
+                       propertyChangeListener = null;
+               }
+
+               super.handleDispose(event);
+       }
+
+       protected void handlePreferenceStoreChanged(PropertyChangeEvent event) {
+               String p = event.getProperty();
+
+               if (p.equals(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND)
+                               || p
+                                               .equals(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) {
+                       updateBackgroundColor();
+               } else if (textTools.affectsBehavior(event)) {
+                       invalidateTextPresentation();
+               }
+       }
+
+       private void updateBackgroundColor() {
+               boolean defaultBackgroundColor = preferenceStore
+                               .getBoolean(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT);
+
+               if (defaultBackgroundColor) {
+                       setBackgroundColor(null);
+               } else {
+                       RGB backgroundColor = PreferenceConverter.getColor(preferenceStore,
+                                       AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND);
+                       setBackgroundColor(backgroundColor);
+               }
+       }
+}