eclipse/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/utils/CommandUtils.java

   1 package org.argeo.eclipse.ui.utils;
   2
   3 import java.util.ArrayList;
   4
   5 import org.argeo.ArgeoException;
   6 import org.argeo.eclipse.ui.ArgeoUiPlugin;
   7 import org.eclipse.core.commands.Command;
   8 import org.eclipse.core.commands.IParameter;
   9 import org.eclipse.core.commands.Parameterization;
  10 import org.eclipse.core.commands.ParameterizedCommand;
  11 import org.eclipse.ui.IWorkbench;
  12 import org.eclipse.ui.IWorkbenchWindow;
  13 import org.eclipse.ui.commands.ICommandService;
  14 import org.eclipse.ui.handlers.IHandlerService;
  15
  16 /**
  17  * Centralizes useful and generic methods concerning eclipse commands.
  18  *
  19  */
  20 public class CommandUtils {
  21
  22         /**
  23          * Factorizes command call that is quite verbose and always the same
  24          *
  25          * NOTE that none of the parameter can be null
  26          */
  27         public static void CallCommandWithOneParameter(String commandId,
  28                         String paramId, String paramValue) {
  29                 try {
  30                         IWorkbench iw = ArgeoUiPlugin.getDefault().getWorkbench();
  31
  32                         IHandlerService handlerService = (IHandlerService) iw
  33                                         .getService(IHandlerService.class);
  34
  35                         // get the command from plugin.xml
  36                         IWorkbenchWindow window = iw.getActiveWorkbenchWindow();
  37                         ICommandService cmdService = (ICommandService) window
  38                                         .getService(ICommandService.class);
  39
  40                         Command cmd = cmdService.getCommand(commandId);
  41
  42                         ArrayList<Parameterization> parameters = new ArrayList<Parameterization>();
  43
  44                         // get the parameter
  45                         IParameter iparam = cmd.getParameter(paramId);
  46
  47                         Parameterization params = new Parameterization(iparam, paramValue);
  48                         parameters.add(params);
  49
  50                         // build the parameterized command
  51                         ParameterizedCommand pc = new ParameterizedCommand(cmd,
  52                                         parameters.toArray(new Parameterization[parameters.size()]));
  53
  54                         // execute the command
  55                         handlerService = (IHandlerService) window
  56                                         .getService(IHandlerService.class);
  57                         handlerService.executeCommand(pc, null);
  58                 } catch (Exception e) {
  59                         throw new ArgeoException("Error while calling command of id :"
  60                                         + commandId, e);
  61                 }
  62         }
  63 }