--- /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.slc.client.ui.dist.utils;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.argeo.ArgeoException;
+import org.argeo.slc.client.ui.dist.DistPlugin;
+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.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;
+
+/**
+ * Centralizes useful methods to manage command updates
+ */
+public class CommandHelpers {
+
+ /**
+ * Refresh the given command.
+ */
+ public static void refreshCommand(IMenuManager menuManager,
+ IServiceLocator locator, String cmdId, String label, String iconPath,
+ boolean showCommand) {
+ IContributionItem ici = menuManager.find(cmdId);
+ if (ici != null)
+ menuManager.remove(ici);
+
+ if (showCommand) {
+ // Set Params
+ CommandContributionItemParameter contributionItemParameter = new CommandContributionItemParameter(
+ locator, null, cmdId, SWT.PUSH);
+ contributionItemParameter.label = label;
+ contributionItemParameter.icon = DistPlugin.getImageDescriptor(iconPath);
+ CommandContributionItem cci = new CommandContributionItem(
+ contributionItemParameter);
+ cci.setId(cmdId);
+ menuManager.add(cci);
+ }
+ }
+
+ /**
+ * Refresh the given command and optionally corresponding parameters.
+ *
+ * @param menuManager
+ * @param locator
+ * @param cmdId
+ * @param label
+ * @param showCommand
+ * Command must be explicitly removed from the context menu at
+ * each refresh setting this to false.
+ * @param params
+ * maps a paramId with a String value
+ */
+ public static void refreshParameterizedCommand(IMenuManager menuManager,
+ IServiceLocator locator, String cmdId, String label, String iconPath,
+ boolean showCommand, Map<String, String> params) {
+ IContributionItem ici = menuManager.find(cmdId);
+ if (ici != null)
+ menuManager.remove(ici);
+
+ if (showCommand) {
+ // Set Params
+ CommandContributionItemParameter contributionItemParameter = new CommandContributionItemParameter(
+ locator, null, cmdId, SWT.PUSH);
+ contributionItemParameter.label = label;
+ contributionItemParameter.icon = DistPlugin.getImageDescriptor(iconPath);
+
+ if (params != null)
+ contributionItemParameter.parameters = params;
+
+ CommandContributionItem cci = new CommandContributionItem(
+ contributionItemParameter);
+ cci.setId(cmdId);
+ 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 commands ids with corresponding
+ * String values.
+ */
+ public static void callCommand(String commandID,
+ Map<String, String> paramMap) {
+ try {
+ IWorkbench iw = DistPlugin.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);
+
+ // build the parameterized command
+ // execute the command
+ handlerService.executeCommand(pc, null);
+ } catch (Exception e) {
+ throw new ArgeoException(
+ "Unexepected exception while opening node editor", e);
+ }
+ }
+
+}
projects / gpl / argeo-slc.git / blobdiff