X-Git-Url: http://secure.phpeclipse.com

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
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);
+		}
+	}
+}