From d9981e639bcf212209cddb86ddc7d703859efdea Mon Sep 17 00:00:00 2001
From: Bruno Sinou <bsinou@argeo.org>
Date: Wed, 22 Aug 2012 14:46:29 +0000
Subject: [PATCH] Add some utils method to simplify command call

git-svn-id: https://svn.argeo.org/commons/trunk@5532 4cfe0d0a-d680-48aa-b62c-e0a02a3f76cc
---
 .../argeo/eclipse/ui/utils/CommandUtils.java  | 119 +++++++++++++++++-
 1 file changed, 118 insertions(+), 1 deletion(-)

diff --git a/base/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java b/base/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java
index eb0de934f..7bb5c2791 100644
--- a/base/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java
+++ b/base/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java
@@ -16,6 +16,8 @@
 package org.argeo.eclipse.ui.utils;
 
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.argeo.ArgeoException;
 import org.argeo.eclipse.ui.ArgeoUiPlugin;
@@ -23,10 +25,17 @@ import org.eclipse.core.commands.Command;
 import org.eclipse.core.commands.IParameter;
 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.IWorkbenchWindow;
 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 and generic methods concerning eclipse commands.
@@ -75,4 +84,112 @@ public class CommandUtils {
 					+ commandId, e);
 		}
 	}
-}
+
+	/**
+	 * Commodities the refresh of a single command with no parameter in a
+	 * Menu.aboutToShow method to simplify further development
+	 * 
+	 * @param menuManager
+	 * @param locator
+	 * @param cmdId
+	 * @param label
+	 * @param iconPath
+	 * @param showCommand
+	 */
+	public static void refreshCommand(IMenuManager menuManager,
+			IServiceLocator locator, String cmdId, String label,
+			ImageDescriptor icon, boolean showCommand) {
+		refreshParametrizedCommand(menuManager, locator, cmdId, label, icon,
+				showCommand, null);
+	}
+
+	/**
+	 * Commodities the refresh of a single command with a map of parameters in a
+	 * Menu.aboutToShow method to simplify further development
+	 * 
+	 * @param menuManager
+	 * @param locator
+	 * @param cmdId
+	 * @param label
+	 * @param iconPath
+	 * @param showCommand
+	 */
+	public static void refreshParametrizedCommand(IMenuManager menuManager,
+			IServiceLocator locator, String cmdId, String label,
+			ImageDescriptor icon, boolean showCommand,
+			Map<String, String> params) {
+		IContributionItem ici = menuManager.find(cmdId);
+		if (ici != null)
+			menuManager.remove(ici);
+		CommandContributionItemParameter contributionItemParameter = new CommandContributionItemParameter(
+				locator, null, cmdId, SWT.PUSH);
+
+		if (showCommand) {
+			// Set Params
+			contributionItemParameter.label = label;
+			contributionItemParameter.icon = icon;
+
+			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 = ArgeoUiPlugin.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;
+			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);
+				}
+			}
+			// build the parameterized command
+			ParameterizedCommand pc = new ParameterizedCommand(cmd,
+					parameters.toArray(new Parameterization[parameters.size()]));
+			// execute the command
+			handlerService.executeCommand(pc, null);
+		} catch (Exception e) {
+			throw new ArgeoException(
+					"Unexepected exception while opening node editor", e);
+		}
+	}
+}
\ No newline at end of file
-- 
2.30.2