1 files changed, 0 insertions, 153 deletions
diff --git a/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/contentmergeviewer/MirrorUtil.java b/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/contentmergeviewer/MirrorUtil.java
deleted file mode 100644
index 08c99a993..000000000
--- a/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/contentmergeviewer/MirrorUtil.java
+++ /dev/null
@@ -1,153 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2017 EclipseSource Services GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors:
- *      Martin Fleck - initial API and implementation
- *******************************************************************************/
-package org.eclipse.emf.compare.ide.ui.internal.contentmergeviewer;
-
-import java.lang.reflect.Field;
-
-import org.eclipse.compare.CompareConfiguration;
-import org.eclipse.compare.contentmergeviewer.ContentMergeViewer;
-import org.eclipse.emf.compare.ide.ui.internal.configuration.EMFCompareConfiguration;
-import org.eclipse.jface.action.Action;
-import org.eclipse.jface.action.ActionContributionItem;
-import org.eclipse.jface.action.IAction;
-import org.eclipse.jface.action.IContributionItem;
-import org.eclipse.jface.action.ToolBarManager;
-
-/**
- * A utility class to handle the common functionality of mirroring the content merge viewer sides, i.e.,
- * swapping the left and right viewer. The mirroring functionality was introduced in Eclipse Compare v3.7 and
- * therefore needs to be handled reflectively to avoid backwards compatibility issues.
- * 
- * @author Martin Fleck <mfleck@eclipsesource.com>
- */
-public class MirrorUtil {
-	/** Mirrored: Compare configuration property key. */
-	public static final String CONFIG_MIRRORED = "MIRRORED"; //$NON-NLS-1$
-
-	/** Mirrored: Compare preference store key. */
-	public static final String PREF_MIRRORED = "org.eclipse.compare.Swapped"; //$NON-NLS-1$
-
-	/** Mirrored: Name of the 'Switch Left and Right' action field in {@link ContentMergeViewer}. */
-	public static final String SWITCH_LEFT_RIGHT_ACTION = "fSwitchLeftAndRight"; //$NON-NLS-1$
-
-	/**
-	 * Reflectively returns the action for switching the left and right side of the viewer. The returned
-	 * action may be null, if it is not available or cannot be retrieved.
-	 * 
-	 * @param contentMergeViewer
-	 *            content merge viewer
-	 * @return switch left and right action or null
-	 */
-	public static Action getAction(ContentMergeViewer contentMergeViewer) {
-		if (contentMergeViewer == null) {
-			return null;
-		}
-
-		try {
-			Field declaredField = ContentMergeViewer.class.getDeclaredField(SWITCH_LEFT_RIGHT_ACTION);
-			declaredField.setAccessible(true);
-			Object action = declaredField.get(contentMergeViewer);
-			if (action != null && action instanceof Action) {
-				return (Action)action;
-			}
-		} catch (NoSuchFieldException | SecurityException | IllegalArgumentException
-				| IllegalAccessException e) {
-			// ignore as the action is not available on all platforms
-		}
-		return null;
-	}
-
-	/**
-	 * Removes the action for switching the left and right side of the viewer from the toolbar, if it is
-	 * available.
-	 * 
-	 * @param contentMergeViewer
-	 *            content merge viewer
-	 * @param toolBarManager
-	 *            tool bar manager of the content merge viewer
-	 * @return the removed action or null, if the action was not available
-	 * @see #getAction(ContentMergeViewer)
-	 */
-	public static Action removeFromToolBar(ContentMergeViewer contentMergeViewer,
-			ToolBarManager toolBarManager) {
-		// switch left and right view action, may be null -> remove as it destroys the view
-		Action switchLeftAndRightAction = getAction(contentMergeViewer);
-		if (switchLeftAndRightAction != null && toolBarManager != null) {
-			IContributionItem[] items = toolBarManager.getItems();
-			for (IContributionItem iContributionItem : items) {
-				if (iContributionItem instanceof ActionContributionItem) {
-					IAction action = ((ActionContributionItem)iContributionItem).getAction();
-					if (switchLeftAndRightAction == action) {
-						toolBarManager.remove(iContributionItem);
-					}
-				}
-			}
-		}
-		return switchLeftAndRightAction;
-	}
-
-	/**
-	 * Evaluates whether the left and right side of the viewer should be mirrored.
-	 * 
-	 * @param compareConfiguration
-	 *            compare configuration holding the mirrored property
-	 * @return true if the left and right side of the viewer should be mirrored. Default is false.
-	 */
-	public static boolean isMirrored(CompareConfiguration compareConfiguration) {
-		if (compareConfiguration == null) {
-			return false;
-		}
-
-		boolean isMirrored = false;
-		Object value = compareConfiguration.getProperty(CONFIG_MIRRORED);
-		if (value instanceof Boolean) {
-			isMirrored = ((Boolean)value).booleanValue();
-		}
-		return isMirrored;
-	}
-
-	/**
-	 * Sets the mirrored property for the given compare configuration.
-	 * 
-	 * @param compareConfiguration
-	 *            compare configuration holding the mirrored property
-	 * @param mirrored
-	 *            true if the left and right side of the viewer should be mirrored, false otherwise.
-	 */
-	public static void setMirrored(EMFCompareConfiguration compareConfiguration, boolean mirrored) {
-		compareConfiguration.setProperty(CONFIG_MIRRORED, Boolean.valueOf(mirrored));
-	}
-
-	/**
-	 * Returns true if the given property is used to store the mirrored value in the compare configuration,
-	 * false otherwise.
-	 * 
-	 * @param configProperty
-	 *            compare configuration property
-	 * @return true if the given property is the mirrored property, false otherwise
-	 */
-	public static boolean isMirroredProperty(String configProperty) {
-		return CONFIG_MIRRORED.equals(configProperty);
-	}
-
-	/**
-	 * Returns true if the given property is used to store the mirrored value in the preference store, false
-	 * otherwise.
-	 * 
-	 * @param preferenceProperty
-	 *            preference property
-	 * @return true if the given property is the mirrored property, false otherwise
-	 */
-	public static boolean isMirroredPreference(String preferenceProperty) {
-		return PREF_MIRRORED.equals(preferenceProperty);
-	}
-
-}