--- /dev/null
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.cms.ui.workbench.util;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
+import org.argeo.eclipse.ui.EclipseUiException;
+import org.eclipse.core.commands.Command;
+import org.eclipse.core.commands.Parameterization;
+import org.eclipse.core.commands.ParameterizedCommand;
+import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.SWT;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.commands.ICommandService;
+import org.eclipse.ui.handlers.IHandlerService;
+import org.eclipse.ui.menus.CommandContributionItem;
+import org.eclipse.ui.menus.CommandContributionItemParameter;
+import org.eclipse.ui.services.IServiceLocator;
+
+/**
+ * Centralises useful and generic methods when dealing with commands in an
+ * Eclipse Workbench context
+ */
+public class CommandUtils {
+
+ /**
+ * Commodities the refresh of a single command with no parameter in a
+ * Menu.aboutToShow method to simplify further development
+ *
+ * Note: that this method should be called with a false show command flag to
+ * remove a contribution that have been previously contributed
+ */
+ public static void refreshCommand(IMenuManager menuManager, IServiceLocator locator, String cmdId, String label,
+ ImageDescriptor icon, boolean showCommand) {
+ refreshParameterizedCommand(menuManager, locator, cmdId, label, icon, showCommand, null);
+ }
+
+ /**
+ * Commodities the refresh the contribution of a command with a map of
+ * parameters in a context menu
+ *
+ * The command ID is used has contribution item ID
+ */
+ public static void refreshParameterizedCommand(IMenuManager menuManager, IServiceLocator locator, String cmdId,
+ String label, ImageDescriptor icon, boolean showCommand, Map<String, String> params) {
+ refreshParameterizedCommand(menuManager, locator, cmdId, cmdId, label, icon, showCommand, params);
+ }
+
+ /**
+ * Commodities the refresh the contribution of a command with a map of
+ * parameters in a context menu
+ *
+ * @param menuManager
+ * @param locator
+ * @param contributionId
+ * @param commandId
+ * @param label
+ * @param icon
+ * @param showCommand
+ * @param params
+ */
+ public static void refreshParameterizedCommand(IMenuManager menuManager, IServiceLocator locator,
+ String contributionId, String commandId, String label, ImageDescriptor icon, boolean showCommand,
+ Map<String, String> params) {
+ IContributionItem ici = menuManager.find(contributionId);
+ if (ici != null)
+ menuManager.remove(ici);
+ if (showCommand) {
+ CommandContributionItemParameter contributionItemParameter = new CommandContributionItemParameter(locator,
+ null, commandId, SWT.PUSH);
+
+ // Set Params
+ contributionItemParameter.label = label;
+ contributionItemParameter.icon = icon;
+
+ if (params != null)
+ contributionItemParameter.parameters = params;
+
+ CommandContributionItem cci = new CommandContributionItem(contributionItemParameter);
+ cci.setId(contributionId);
+ menuManager.add(cci);
+ }
+ }
+
+ /** Helper to call a command without parameter easily */
+ public static void callCommand(String commandID) {
+ callCommand(commandID, null);
+ }
+
+ /** Helper to call a command with a single parameter easily */
+ public static void callCommand(String commandID, String parameterID, String parameterValue) {
+ Map<String, String> params = new HashMap<String, String>();
+ params.put(parameterID, parameterValue);
+ callCommand(commandID, params);
+ }
+
+ /**
+ * Helper to call a command with a map of parameters easily
+ *
+ * @param paramMap
+ * a map that links various command IDs with corresponding String
+ * values.
+ */
+ public static void callCommand(String commandID, Map<String, String> paramMap) {
+ try {
+ IWorkbench iw = WorkbenchUiPlugin.getDefault().getWorkbench();
+ IHandlerService handlerService = (IHandlerService) iw.getService(IHandlerService.class);
+ ICommandService cmdService = (ICommandService) iw.getActiveWorkbenchWindow()
+ .getService(ICommandService.class);
+ Command cmd = cmdService.getCommand(commandID);
+
+ ArrayList<Parameterization> parameters = null;
+ ParameterizedCommand pc;
+
+ if (paramMap != null) {
+ // Set parameters of the command to launch :
+ parameters = new ArrayList<Parameterization>();
+ Parameterization parameterization;
+
+ for (String id : paramMap.keySet()) {
+ parameterization = new Parameterization(cmd.getParameter(id), paramMap.get(id));
+ parameters.add(parameterization);
+ }
+ pc = new ParameterizedCommand(cmd, parameters.toArray(new Parameterization[parameters.size()]));
+ } else
+ pc = new ParameterizedCommand(cmd, null);
+
+ // execute the command
+ handlerService.executeCommand(pc, null);
+ } catch (Exception e) {
+ throw new EclipseUiException("Unexpected error while" + " calling the command " + commandID, e);
+ }
+ }
+}