From: Bruno Sinou <bsinou@argeo.org>
Date: Tue, 6 Sep 2011 10:07:05 +0000 (+0000)
Subject: Add a wrapper to simplify programmatic call on commands
X-Git-Tag: argeo-commons-2.1.30~1173
X-Git-Url: https://git.argeo.org/?a=commitdiff_plain;h=f8b2f056bcddf6c27679c78fcfa436e799dc8a6c;p=lgpl%2Fargeo-commons.git

Add a wrapper to simplify programmatic call on commands

git-svn-id: https://svn.argeo.org/commons/trunk@4719 4cfe0d0a-d680-48aa-b62c-e0a02a3f76cc
---

diff --git a/eclipse/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java b/eclipse/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java
new file mode 100644
index 000000000..df519e01d
--- /dev/null
+++ b/eclipse/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java
@@ -0,0 +1,63 @@
+package org.argeo.eclipse.ui.utils;
+
+import java.util.ArrayList;
+
+import org.argeo.ArgeoException;
+import org.argeo.eclipse.ui.ArgeoUiPlugin;
+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.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.commands.ICommandService;
+import org.eclipse.ui.handlers.IHandlerService;
+
+/**
+ * Centralizes useful and generic methods concerning eclipse commands.
+ * 
+ */
+public class CommandUtils {
+
+	/**
+	 * Factorizes command call that is quite verbose and always the same
+	 * 
+	 * NOTE that none of the parameter can be null
+	 */
+	public static void CallCommandWithOneParameter(String commandId,
+			String paramId, String paramValue) {
+		try {
+			IWorkbench iw = ArgeoUiPlugin.getDefault().getWorkbench();
+
+			IHandlerService handlerService = (IHandlerService) iw
+					.getService(IHandlerService.class);
+
+			// get the command from plugin.xml
+			IWorkbenchWindow window = iw.getActiveWorkbenchWindow();
+			ICommandService cmdService = (ICommandService) window
+					.getService(ICommandService.class);
+
+			Command cmd = cmdService.getCommand(commandId);
+
+			ArrayList<Parameterization> parameters = new ArrayList<Parameterization>();
+
+			// get the parameter
+			IParameter iparam = cmd.getParameter(paramId);
+
+			Parameterization params = new Parameterization(iparam, paramValue);
+			parameters.add(params);
+
+			// build the parameterized command
+			ParameterizedCommand pc = new ParameterizedCommand(cmd,
+					parameters.toArray(new Parameterization[parameters.size()]));
+
+			// execute the command
+			handlerService = (IHandlerService) window
+					.getService(IHandlerService.class);
+			handlerService.executeCommand(pc, null);
+		} catch (Exception e) {
+			throw new ArgeoException("Error while calling command of id :"
+					+ commandId, e);
+		}
+	}
+}