plugins/org.eclipse.oomph.setup.workbench/src/org/eclipse/oomph/setup/workbench/impl/KeyBindingTaskImpl.java - oomph/org.eclipse.oomph - Git at Google

 /*
  * Copyright (c) 2014, 2015 Eike Stepper (Berlin, Germany) and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *    Eike Stepper - initial API and implementation
  */
 package org.eclipse.oomph.setup.workbench.impl;

 import org.eclipse.oomph.setup.SetupTaskContext;
 import org.eclipse.oomph.setup.impl.SetupTaskImpl;
 import org.eclipse.oomph.setup.workbench.CommandParameter;
 import org.eclipse.oomph.setup.workbench.KeyBindingContext;
 import org.eclipse.oomph.setup.workbench.KeyBindingTask;
 import org.eclipse.oomph.setup.workbench.WorkbenchPackage;
 import org.eclipse.oomph.ui.UIUtil;
 import org.eclipse.oomph.util.ObjectUtil;

 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.notify.NotificationChain;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
 import org.eclipse.emf.ecore.util.EObjectContainmentEList;
 import org.eclipse.emf.ecore.util.InternalEList;

 import org.eclipse.core.commands.Command;
 import org.eclipse.core.commands.ParameterizedCommand;
 import org.eclipse.core.commands.common.NotDefinedException;
 import org.eclipse.jface.bindings.Binding;
 import org.eclipse.jface.bindings.Scheme;
 import org.eclipse.jface.bindings.keys.KeyBinding;
 import org.eclipse.jface.bindings.keys.KeySequence;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.commands.ICommandService;
 import org.eclipse.ui.keys.IBindingService;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 /**
  * <!-- begin-user-doc -->
  * An implementation of the model object '<em><b>Key Binding Task</b></em>'.
  * <!-- end-user-doc -->
  * <p>
  * The following features are implemented:
  * </p>
  * <ul>
  *   <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getScheme <em>Scheme</em>}</li>
  *   <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getContexts <em>Contexts</em>}</li>
  *   <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getPlatform <em>Platform</em>}</li>
  *   <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getLocale <em>Locale</em>}</li>
  *   <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getKeys <em>Keys</em>}</li>
  *   <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getCommand <em>Command</em>}</li>
  *   <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getCommandParameters <em>Command Parameters</em>}</li>
  * </ul>
  *
  * @generated
  */
 public class KeyBindingTaskImpl extends SetupTaskImpl implements KeyBindingTask
 {
   /**
    * The default value of the '{@link #getScheme() <em>Scheme</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getScheme()
    * @generated
    * @ordered
    */
   protected static final String SCHEME_EDEFAULT = "org.eclipse.ui.defaultAcceleratorConfiguration";

   /**
    * The cached value of the '{@link #getScheme() <em>Scheme</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getScheme()
    * @generated
    * @ordered
    */
   protected String scheme = SCHEME_EDEFAULT;

   /**
    * The cached value of the '{@link #getContexts() <em>Contexts</em>}' containment reference list.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getContexts()
    * @generated
    * @ordered
    */
   protected EList<KeyBindingContext> contexts;

   /**
    * The default value of the '{@link #getPlatform() <em>Platform</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getPlatform()
    * @generated
    * @ordered
    */
   protected static final String PLATFORM_EDEFAULT = null;

   /**
    * The cached value of the '{@link #getPlatform() <em>Platform</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getPlatform()
    * @generated
    * @ordered
    */
   protected String platform = PLATFORM_EDEFAULT;

   /**
    * The default value of the '{@link #getLocale() <em>Locale</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getLocale()
    * @generated
    * @ordered
    */
   protected static final String LOCALE_EDEFAULT = null;

   /**
    * The cached value of the '{@link #getLocale() <em>Locale</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getLocale()
    * @generated
    * @ordered
    */
   protected String locale = LOCALE_EDEFAULT;

   /**
    * The default value of the '{@link #getKeys() <em>Keys</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getKeys()
    * @generated
    * @ordered
    */
   protected static final String KEYS_EDEFAULT = null;

   /**
    * The cached value of the '{@link #getKeys() <em>Keys</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getKeys()
    * @generated
    * @ordered
    */
   protected String keys = KEYS_EDEFAULT;

   /**
    * The default value of the '{@link #getCommand() <em>Command</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getCommand()
    * @generated
    * @ordered
    */
   protected static final String COMMAND_EDEFAULT = null;

   /**
    * The cached value of the '{@link #getCommand() <em>Command</em>}' attribute.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getCommand()
    * @generated
    * @ordered
    */
   protected String command = COMMAND_EDEFAULT;

   /**
    * The cached value of the '{@link #getCommandParameters() <em>Command Parameters</em>}' containment reference list.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @see #getCommandParameters()
    * @generated
    * @ordered
    */
   protected EList<CommandParameter> commandParameters;

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected KeyBindingTaskImpl()
   {
     super();
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   protected EClass eStaticClass()
   {
     return WorkbenchPackage.Literals.KEY_BINDING_TASK;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public String getScheme()
   {
     return scheme;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setScheme(String newScheme)
   {
     String oldScheme = scheme;
     scheme = newScheme;
     if (eNotificationRequired())
     {
       eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__SCHEME, oldScheme, scheme));
     }
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public EList<KeyBindingContext> getContexts()
   {
     if (contexts == null)
     {
       contexts = new EObjectContainmentEList<KeyBindingContext>(KeyBindingContext.class, this, WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS);
     }
     return contexts;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public String getPlatform()
   {
     return platform;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setPlatform(String newPlatform)
   {
     String oldPlatform = platform;
     platform = newPlatform;
     if (eNotificationRequired())
     {
       eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__PLATFORM, oldPlatform, platform));
     }
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public String getLocale()
   {
     return locale;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setLocale(String newLocale)
   {
     String oldLocale = locale;
     locale = newLocale;
     if (eNotificationRequired())
     {
       eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__LOCALE, oldLocale, locale));
     }
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public String getKeys()
   {
     return keys;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setKeys(String newKeys)
   {
     String oldKeys = keys;
     keys = newKeys;
     if (eNotificationRequired())
     {
       eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__KEYS, oldKeys, keys));
     }
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public String getCommand()
   {
     return command;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setCommand(String newCommand)
   {
     String oldCommand = command;
     command = newCommand;
     if (eNotificationRequired())
     {
       eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__COMMAND, oldCommand, command));
     }
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public EList<CommandParameter> getCommandParameters()
   {
     if (commandParameters == null)
     {
       commandParameters = new EObjectContainmentEList<CommandParameter>(CommandParameter.class, this, WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS);
     }
     return commandParameters;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
   {
     switch (featureID)
     {
       case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
         return ((InternalEList<?>)getContexts()).basicRemove(otherEnd, msgs);
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
         return ((InternalEList<?>)getCommandParameters()).basicRemove(otherEnd, msgs);
     }
     return super.eInverseRemove(otherEnd, featureID, msgs);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public Object eGet(int featureID, boolean resolve, boolean coreType)
   {
     switch (featureID)
     {
       case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
         return getScheme();
       case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
         return getContexts();
       case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
         return getPlatform();
       case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
         return getLocale();
       case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
         return getKeys();
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
         return getCommand();
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
         return getCommandParameters();
     }
     return super.eGet(featureID, resolve, coreType);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @SuppressWarnings("unchecked")
   @Override
   public void eSet(int featureID, Object newValue)
   {
     switch (featureID)
     {
       case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
         setScheme((String)newValue);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
         getContexts().clear();
         getContexts().addAll((Collection<? extends KeyBindingContext>)newValue);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
         setPlatform((String)newValue);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
         setLocale((String)newValue);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
         setKeys((String)newValue);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
         setCommand((String)newValue);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
         getCommandParameters().clear();
         getCommandParameters().addAll((Collection<? extends CommandParameter>)newValue);
         return;
     }
     super.eSet(featureID, newValue);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public void eUnset(int featureID)
   {
     switch (featureID)
     {
       case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
         setScheme(SCHEME_EDEFAULT);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
         getContexts().clear();
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
         setPlatform(PLATFORM_EDEFAULT);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
         setLocale(LOCALE_EDEFAULT);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
         setKeys(KEYS_EDEFAULT);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
         setCommand(COMMAND_EDEFAULT);
         return;
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
         getCommandParameters().clear();
         return;
     }
     super.eUnset(featureID);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public boolean eIsSet(int featureID)
   {
     switch (featureID)
     {
       case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
         return SCHEME_EDEFAULT == null ? scheme != null : !SCHEME_EDEFAULT.equals(scheme);
       case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
         return contexts != null && !contexts.isEmpty();
       case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
         return PLATFORM_EDEFAULT == null ? platform != null : !PLATFORM_EDEFAULT.equals(platform);
       case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
         return LOCALE_EDEFAULT == null ? locale != null : !LOCALE_EDEFAULT.equals(locale);
       case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
         return KEYS_EDEFAULT == null ? keys != null : !KEYS_EDEFAULT.equals(keys);
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
         return COMMAND_EDEFAULT == null ? command != null : !COMMAND_EDEFAULT.equals(command);
       case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
         return commandParameters != null && !commandParameters.isEmpty();
     }
     return super.eIsSet(featureID);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public String toString()
   {
     if (eIsProxy())
     {
       return super.toString();
     }

     StringBuffer result = new StringBuffer(super.toString());
     result.append(" (scheme: ");
     result.append(scheme);
     result.append(", platform: ");
     result.append(platform);
     result.append(", locale: ");
     result.append(locale);
     result.append(", keys: ");
     result.append(keys);
     result.append(", command: ");
     result.append(command);
     result.append(')');
     return result.toString();
   }

   public boolean isNeeded(SetupTaskContext context) throws Exception
   {
     IBindingService bindingService = UIUtil.getService(PlatformUI.getWorkbench(), IBindingService.class);
     Binding[] bindings = bindingService.getBindings();

     for (KeyBindingContext keyBindingContext : getContexts())
     {
       if (isNeeded(keyBindingContext, bindings))
       {
         return true;
       }
     }

     return false;
   }

   private boolean isNeeded(KeyBindingContext keyBindingContext, Binding[] bindings) throws Exception
   {
     for (int i = 0; i < bindings.length; i++)
     {
       Binding binding = bindings[i];
       if (binding instanceof KeyBinding)
       {
         KeyBinding keyBinding = (KeyBinding)binding;
         if (isEqual(keyBindingContext, keyBinding))
         {
           return false;
         }
       }
     }

     return true;
   }

   private boolean isEqual(KeyBindingContext keyBindingContext, KeyBinding keyBinding) throws Exception
   {
     if (!ObjectUtil.equals(keyBinding.getSchemeId(), getScheme()))
     {
       return false;
     }

     if (!ObjectUtil.equals(keyBinding.getContextId(), keyBindingContext.getID()))
     {
       return false;
     }

     if (!ObjectUtil.equals(keyBinding.getPlatform(), getPlatform()))
     {
       return false;
     }

     if (!ObjectUtil.equals(keyBinding.getLocale(), getLocale()))
     {
       return false;
     }

     KeySequence keySequence = KeySequence.getInstance(getKeys());
     if (!ObjectUtil.equals(keyBinding.getKeySequence(), keySequence))
     {
       return false;
     }

     ParameterizedCommand parameterizedCommand = keyBinding.getParameterizedCommand();
     if (parameterizedCommand == null || !ObjectUtil.equals(parameterizedCommand.getId(), getCommand()))
     {
       return false;
     }

     if (!ObjectUtil.equals(parameterizedCommand.getParameterMap(), getCommandParameterMap()))
     {
       return false;
     }

     return true;
   }

   public void perform(SetupTaskContext context) throws Exception
   {
     final IBindingService bindingService = UIUtil.getService(PlatformUI.getWorkbench(), IBindingService.class);
     final List<Binding> bindings = new ArrayList<Binding>(Arrays.asList(bindingService.getBindings()));

     for (KeyBindingContext keyBindingContext : getContexts())
     {
       KeyBinding binding = new KeyBinding(KeySequence.getInstance(getKeys()), getParameterizedCommand(), getScheme(), keyBindingContext.getID(), getLocale(),
           getPlatform(), null, Binding.USER);
       bindings.add(binding);
     }

     final Exception[] exception = { null };
     Display.getDefault().syncExec(new Runnable()
     {
       public void run()
       {
         try
         {
           Scheme activeScheme = bindingService.getActiveScheme();
           bindingService.savePreferences(activeScheme, bindings.toArray(new Binding[bindings.size()]));
         }
         catch (IOException ex)
         {
           exception[0] = ex;
         }
       }
     });

     if (exception[0] != null)
     {
       throw exception[0];
     }
   }

   private ParameterizedCommand getParameterizedCommand() throws NotDefinedException
   {
     ICommandService commandService = UIUtil.getService(PlatformUI.getWorkbench(), ICommandService.class);
     Command command = commandService.getCommand(getCommand());

     @SuppressWarnings("rawtypes")
     Map params = getCommandParameterMap();

     return ParameterizedCommand.generateCommand(command, params);
   }

   @SuppressWarnings({ "rawtypes", "unchecked" })
   private Map getCommandParameterMap()
   {
     Map params = new HashMap();
     for (CommandParameter commandParameter : getCommandParameters())
     {
       params.put(commandParameter.getID(), commandParameter.getValue());
     }

     return params;
   }

 } // KeyBindingTaskImpl
	/*
	* Copyright (c) 2014, 2015 Eike Stepper (Berlin, Germany) and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Eike Stepper - initial API and implementation
	*/
	package org.eclipse.oomph.setup.workbench.impl;

	import org.eclipse.oomph.setup.SetupTaskContext;
	import org.eclipse.oomph.setup.impl.SetupTaskImpl;
	import org.eclipse.oomph.setup.workbench.CommandParameter;
	import org.eclipse.oomph.setup.workbench.KeyBindingContext;
	import org.eclipse.oomph.setup.workbench.KeyBindingTask;
	import org.eclipse.oomph.setup.workbench.WorkbenchPackage;
	import org.eclipse.oomph.ui.UIUtil;
	import org.eclipse.oomph.util.ObjectUtil;

	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.notify.NotificationChain;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.InternalEObject;
	import org.eclipse.emf.ecore.impl.ENotificationImpl;
	import org.eclipse.emf.ecore.util.EObjectContainmentEList;
	import org.eclipse.emf.ecore.util.InternalEList;

	import org.eclipse.core.commands.Command;
	import org.eclipse.core.commands.ParameterizedCommand;
	import org.eclipse.core.commands.common.NotDefinedException;
	import org.eclipse.jface.bindings.Binding;
	import org.eclipse.jface.bindings.Scheme;
	import org.eclipse.jface.bindings.keys.KeyBinding;
	import org.eclipse.jface.bindings.keys.KeySequence;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.commands.ICommandService;
	import org.eclipse.ui.keys.IBindingService;

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Collection;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	/**
	* <!-- begin-user-doc -->
	* An implementation of the model object '<em><b>Key Binding Task</b></em>'.
	* <!-- end-user-doc -->
	* <p>
	* The following features are implemented:
	* </p>
	* <ul>
	* <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getScheme <em>Scheme</em>}</li>
	* <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getContexts <em>Contexts</em>}</li>
	* <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getPlatform <em>Platform</em>}</li>
	* <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getLocale <em>Locale</em>}</li>
	* <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getKeys <em>Keys</em>}</li>
	* <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getCommand <em>Command</em>}</li>
	* <li>{@link org.eclipse.oomph.setup.workbench.impl.KeyBindingTaskImpl#getCommandParameters <em>Command Parameters</em>}</li>
	* </ul>
	*
	* @generated
	*/
	public class KeyBindingTaskImpl extends SetupTaskImpl implements KeyBindingTask
	{
	/**
	* The default value of the '{@link #getScheme() <em>Scheme</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getScheme()
	* @generated
	* @ordered
	*/
	protected static final String SCHEME_EDEFAULT = "org.eclipse.ui.defaultAcceleratorConfiguration";

	/**
	* The cached value of the '{@link #getScheme() <em>Scheme</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getScheme()
	* @generated
	* @ordered
	*/
	protected String scheme = SCHEME_EDEFAULT;

	/**
	* The cached value of the '{@link #getContexts() <em>Contexts</em>}' containment reference list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getContexts()
	* @generated
	* @ordered
	*/
	protected EList<KeyBindingContext> contexts;

	/**
	* The default value of the '{@link #getPlatform() <em>Platform</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getPlatform()
	* @generated
	* @ordered
	*/
	protected static final String PLATFORM_EDEFAULT = null;

	/**
	* The cached value of the '{@link #getPlatform() <em>Platform</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getPlatform()
	* @generated
	* @ordered
	*/
	protected String platform = PLATFORM_EDEFAULT;

	/**
	* The default value of the '{@link #getLocale() <em>Locale</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getLocale()
	* @generated
	* @ordered
	*/
	protected static final String LOCALE_EDEFAULT = null;

	/**
	* The cached value of the '{@link #getLocale() <em>Locale</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getLocale()
	* @generated
	* @ordered
	*/
	protected String locale = LOCALE_EDEFAULT;

	/**
	* The default value of the '{@link #getKeys() <em>Keys</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getKeys()
	* @generated
	* @ordered
	*/
	protected static final String KEYS_EDEFAULT = null;

	/**
	* The cached value of the '{@link #getKeys() <em>Keys</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getKeys()
	* @generated
	* @ordered
	*/
	protected String keys = KEYS_EDEFAULT;

	/**
	* The default value of the '{@link #getCommand() <em>Command</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getCommand()
	* @generated
	* @ordered
	*/
	protected static final String COMMAND_EDEFAULT = null;

	/**
	* The cached value of the '{@link #getCommand() <em>Command</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getCommand()
	* @generated
	* @ordered
	*/
	protected String command = COMMAND_EDEFAULT;

	/**
	* The cached value of the '{@link #getCommandParameters() <em>Command Parameters</em>}' containment reference list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getCommandParameters()
	* @generated
	* @ordered
	*/
	protected EList<CommandParameter> commandParameters;

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	protected KeyBindingTaskImpl()
	{
	super();
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	protected EClass eStaticClass()
	{
	return WorkbenchPackage.Literals.KEY_BINDING_TASK;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public String getScheme()
	{
	return scheme;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void setScheme(String newScheme)
	{
	String oldScheme = scheme;
	scheme = newScheme;
	if (eNotificationRequired())
	{
	eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__SCHEME, oldScheme, scheme));
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public EList<KeyBindingContext> getContexts()
	{
	if (contexts == null)
	{
	contexts = new EObjectContainmentEList<KeyBindingContext>(KeyBindingContext.class, this, WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS);
	}
	return contexts;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public String getPlatform()
	{
	return platform;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void setPlatform(String newPlatform)
	{
	String oldPlatform = platform;
	platform = newPlatform;
	if (eNotificationRequired())
	{
	eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__PLATFORM, oldPlatform, platform));
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public String getLocale()
	{
	return locale;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void setLocale(String newLocale)
	{
	String oldLocale = locale;
	locale = newLocale;
	if (eNotificationRequired())
	{
	eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__LOCALE, oldLocale, locale));
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public String getKeys()
	{
	return keys;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void setKeys(String newKeys)
	{
	String oldKeys = keys;
	keys = newKeys;
	if (eNotificationRequired())
	{
	eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__KEYS, oldKeys, keys));
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public String getCommand()
	{
	return command;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void setCommand(String newCommand)
	{
	String oldCommand = command;
	command = newCommand;
	if (eNotificationRequired())
	{
	eNotify(new ENotificationImpl(this, Notification.SET, WorkbenchPackage.KEY_BINDING_TASK__COMMAND, oldCommand, command));
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public EList<CommandParameter> getCommandParameters()
	{
	if (commandParameters == null)
	{
	commandParameters = new EObjectContainmentEList<CommandParameter>(CommandParameter.class, this, WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS);
	}
	return commandParameters;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
	{
	switch (featureID)
	{
	case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
	return ((InternalEList<?>)getContexts()).basicRemove(otherEnd, msgs);
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
	return ((InternalEList<?>)getCommandParameters()).basicRemove(otherEnd, msgs);
	}
	return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType)
	{
	switch (featureID)
	{
	case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
	return getScheme();
	case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
	return getContexts();
	case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
	return getPlatform();
	case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
	return getLocale();
	case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
	return getKeys();
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
	return getCommand();
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
	return getCommandParameters();
	}
	return super.eGet(featureID, resolve, coreType);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue)
	{
	switch (featureID)
	{
	case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
	setScheme((String)newValue);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
	getContexts().clear();
	getContexts().addAll((Collection<? extends KeyBindingContext>)newValue);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
	setPlatform((String)newValue);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
	setLocale((String)newValue);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
	setKeys((String)newValue);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
	setCommand((String)newValue);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
	getCommandParameters().clear();
	getCommandParameters().addAll((Collection<? extends CommandParameter>)newValue);
	return;
	}
	super.eSet(featureID, newValue);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public void eUnset(int featureID)
	{
	switch (featureID)
	{
	case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
	setScheme(SCHEME_EDEFAULT);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
	getContexts().clear();
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
	setPlatform(PLATFORM_EDEFAULT);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
	setLocale(LOCALE_EDEFAULT);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
	setKeys(KEYS_EDEFAULT);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
	setCommand(COMMAND_EDEFAULT);
	return;
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
	getCommandParameters().clear();
	return;
	}
	super.eUnset(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public boolean eIsSet(int featureID)
	{
	switch (featureID)
	{
	case WorkbenchPackage.KEY_BINDING_TASK__SCHEME:
	return SCHEME_EDEFAULT == null ? scheme != null : !SCHEME_EDEFAULT.equals(scheme);
	case WorkbenchPackage.KEY_BINDING_TASK__CONTEXTS:
	return contexts != null && !contexts.isEmpty();
	case WorkbenchPackage.KEY_BINDING_TASK__PLATFORM:
	return PLATFORM_EDEFAULT == null ? platform != null : !PLATFORM_EDEFAULT.equals(platform);
	case WorkbenchPackage.KEY_BINDING_TASK__LOCALE:
	return LOCALE_EDEFAULT == null ? locale != null : !LOCALE_EDEFAULT.equals(locale);
	case WorkbenchPackage.KEY_BINDING_TASK__KEYS:
	return KEYS_EDEFAULT == null ? keys != null : !KEYS_EDEFAULT.equals(keys);
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND:
	return COMMAND_EDEFAULT == null ? command != null : !COMMAND_EDEFAULT.equals(command);
	case WorkbenchPackage.KEY_BINDING_TASK__COMMAND_PARAMETERS:
	return commandParameters != null && !commandParameters.isEmpty();
	}
	return super.eIsSet(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public String toString()
	{
	if (eIsProxy())
	{
	return super.toString();
	}

	StringBuffer result = new StringBuffer(super.toString());
	result.append(" (scheme: ");
	result.append(scheme);
	result.append(", platform: ");
	result.append(platform);
	result.append(", locale: ");
	result.append(locale);
	result.append(", keys: ");
	result.append(keys);
	result.append(", command: ");
	result.append(command);
	result.append(')');
	return result.toString();
	}

	public boolean isNeeded(SetupTaskContext context) throws Exception
	{
	IBindingService bindingService = UIUtil.getService(PlatformUI.getWorkbench(), IBindingService.class);
	Binding[] bindings = bindingService.getBindings();

	for (KeyBindingContext keyBindingContext : getContexts())
	{
	if (isNeeded(keyBindingContext, bindings))
	{
	return true;
	}
	}

	return false;
	}

	private boolean isNeeded(KeyBindingContext keyBindingContext, Binding[] bindings) throws Exception
	{
	for (int i = 0; i < bindings.length; i++)
	{
	Binding binding = bindings[i];
	if (binding instanceof KeyBinding)
	{
	KeyBinding keyBinding = (KeyBinding)binding;
	if (isEqual(keyBindingContext, keyBinding))
	{
	return false;
	}
	}
	}

	return true;
	}

	private boolean isEqual(KeyBindingContext keyBindingContext, KeyBinding keyBinding) throws Exception
	{
	if (!ObjectUtil.equals(keyBinding.getSchemeId(), getScheme()))
	{
	return false;
	}

	if (!ObjectUtil.equals(keyBinding.getContextId(), keyBindingContext.getID()))
	{
	return false;
	}

	if (!ObjectUtil.equals(keyBinding.getPlatform(), getPlatform()))
	{
	return false;
	}

	if (!ObjectUtil.equals(keyBinding.getLocale(), getLocale()))
	{
	return false;
	}

	KeySequence keySequence = KeySequence.getInstance(getKeys());
	if (!ObjectUtil.equals(keyBinding.getKeySequence(), keySequence))
	{
	return false;
	}

	ParameterizedCommand parameterizedCommand = keyBinding.getParameterizedCommand();
	if (parameterizedCommand == null \|\| !ObjectUtil.equals(parameterizedCommand.getId(), getCommand()))
	{
	return false;
	}

	if (!ObjectUtil.equals(parameterizedCommand.getParameterMap(), getCommandParameterMap()))
	{
	return false;
	}

	return true;
	}

	public void perform(SetupTaskContext context) throws Exception
	{
	final IBindingService bindingService = UIUtil.getService(PlatformUI.getWorkbench(), IBindingService.class);
	final List<Binding> bindings = new ArrayList<Binding>(Arrays.asList(bindingService.getBindings()));

	for (KeyBindingContext keyBindingContext : getContexts())
	{
	KeyBinding binding = new KeyBinding(KeySequence.getInstance(getKeys()), getParameterizedCommand(), getScheme(), keyBindingContext.getID(), getLocale(),
	getPlatform(), null, Binding.USER);
	bindings.add(binding);
	}

	final Exception[] exception = { null };
	Display.getDefault().syncExec(new Runnable()
	{
	public void run()
	{
	try
	{
	Scheme activeScheme = bindingService.getActiveScheme();
	bindingService.savePreferences(activeScheme, bindings.toArray(new Binding[bindings.size()]));
	}
	catch (IOException ex)
	{
	exception[0] = ex;
	}
	}
	});

	if (exception[0] != null)
	{
	throw exception[0];
	}
	}

	private ParameterizedCommand getParameterizedCommand() throws NotDefinedException
	{
	ICommandService commandService = UIUtil.getService(PlatformUI.getWorkbench(), ICommandService.class);
	Command command = commandService.getCommand(getCommand());

	@SuppressWarnings("rawtypes")
	Map params = getCommandParameterMap();

	return ParameterizedCommand.generateCommand(command, params);
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	private Map getCommandParameterMap()
	{
	Map params = new HashMap();
	for (CommandParameter commandParameter : getCommandParameters())
	{
	params.put(commandParameter.getID(), commandParameter.getValue());
	}

	return params;
	}

	} // KeyBindingTaskImpl