1 files changed, 137 insertions, 0 deletions
diff --git a/plugins/infra/org.eclipse.papyrus.infra.ui/src/org/eclipse/papyrus/infra/ui/util/EclipseCommandUtils.java b/plugins/infra/org.eclipse.papyrus.infra.ui/src/org/eclipse/papyrus/infra/ui/util/EclipseCommandUtils.java
new file mode 100644
index 00000000000..d7d462e82ca
--- /dev/null
+++ b/plugins/infra/org.eclipse.papyrus.infra.ui/src/org/eclipse/papyrus/infra/ui/util/EclipseCommandUtils.java
@@ -0,0 +1,137 @@
+/*****************************************************************************
+ * Copyright (c) 2013 CEA LIST.
+ *
+ *
+ * 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:
+ *  Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.ui.util;
+
+import java.util.Collection;
+import java.util.Set;
+import java.util.TreeSet;
+
+import org.eclipse.core.commands.Category;
+import org.eclipse.core.commands.Command;
+import org.eclipse.core.commands.State;
+import org.eclipse.core.commands.common.NotDefinedException;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.papyrus.infra.ui.Activator;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.commands.ICommandImageService;
+import org.eclipse.ui.commands.ICommandService;
+
+/**
+ * This class provides useful methods to manipulate Eclipse Command
+ *
+ * @author vl222926
+ *
+ */
+public class EclipseCommandUtils {
+
+	private EclipseCommandUtils() {
+		// to prevent instanciation
+	}
+
+	public static final String TOGGLE_STATE = "org.eclipse.ui.commands.toggleState"; //$NON-NLS-1$
+
+	public static final String RADIO_STATE = "org.eclipse.ui.commands.radioState"; //$NON-NLS-1$
+
+	public static final String DELETE_COMMAND = "org.eclipse.ui.edit.delete"; //$NON-NLS-1$
+
+	/**
+	 *
+	 * @param categoryId
+	 *            a category id
+	 * @return
+	 * 		all commands defined for this category
+	 */
+	public static final Collection<Command> getAllExistingCommandsInCategory(final String categoryId) {
+		final Set<Command> commands = new TreeSet<Command>();
+		final ICommandService commandService = PlatformUI.getWorkbench().getService(ICommandService.class);
+		final Category category = commandService.getCategory(categoryId);
+		for (final Command command : commandService.getDefinedCommands()) {
+			Category currentCategory = null;
+			try {
+				currentCategory = command.getCategory();
+			} catch (NotDefinedException e) {
+				Activator.log.debug(e.getLocalizedMessage());
+				continue;
+			}
+			if (/* command.isDefined() && */category.equals(currentCategory)) {
+				commands.add(command);
+			}
+		}
+		return commands;
+	}
+
+	/**
+	 *
+	 * @param command
+	 *            an Eclipse command
+	 * @return
+	 * 		the image descriptor associated to this command
+	 */
+	public static final ImageDescriptor getCommandIcon(final Command command) {
+		final IWorkbench workbench = PlatformUI.getWorkbench();
+		final ICommandImageService service = workbench.getService(ICommandImageService.class);
+		final ImageDescriptor imageDescriptor = service.getImageDescriptor(command.getId());
+		return imageDescriptor;
+	}
+
+	/**
+	 *
+	 * @param command
+	 *            an eclipse command
+	 * @param newValue
+	 *            the new boolean value to set to the state of this command
+	 */
+	public static final void updateToggleCommandState(final org.eclipse.core.commands.Command command, final boolean newValue) {
+		if (command != null) {
+			final State state = command.getState(TOGGLE_STATE);
+			if (state != null) {
+				state.setValue(newValue);
+			}
+		}
+	}
+
+	/**
+	 *
+	 * @param command
+	 *            an eclipse command
+	 * @param newValue
+	 *            the new value to set to the state of this command
+	 */
+	public static final void updateRadioCommandState(final org.eclipse.core.commands.Command command, final Object newValue) {
+		if (command != null) {
+			final State state = command.getState(RADIO_STATE);
+			if (state != null) {
+				state.setValue(newValue);
+			}
+		}
+	}
+
+	/**
+	 * 
+	 * @return
+	 * 		the eclipse command service
+	 */
+	public static final ICommandService getCommandService() {
+		IWorkbench wb = PlatformUI.getWorkbench();
+		if (wb != null) {
+			IWorkbenchWindow ww = wb.getActiveWorkbenchWindow();
+			if (ww != null) {
+				return ww.getService(ICommandService.class);
+			}
+		}
+		return null;
+	}
+}