org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/newsourcepage/GenerateBuildPathActionGroup.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2011 IBM Corporation 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.action.IMenuListener;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.MenuManager;
 import org.eclipse.jface.action.Separator;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.ISelectionProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;

 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.IViewPart;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.IWorkbenchSite;
 import org.eclipse.ui.IWorkingSet;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.actions.ActionGroup;
 import org.eclipse.ui.part.Page;

 import org.eclipse.ui.texteditor.IUpdate;

 import org.eclipse.jdt.ui.IContextMenuConstants;

 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
 import org.eclipse.jdt.internal.ui.JavaPluginImages;
 import org.eclipse.jdt.internal.ui.actions.ActionMessages;
 import org.eclipse.jdt.internal.ui.actions.JarImportWizardAction;
 import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;

 /**
  * Action group that adds the source and generate actions to a part's context
  * menu and installs handlers for the corresponding global menu actions.
  *
  * <p>
  * This class may be instantiated; it is not intended to be subclassed.
  * </p>
  *
  * @since 3.1
  */
 public class GenerateBuildPathActionGroup extends ActionGroup {
     /**
      * Pop-up menu: id of the source sub menu (value <code>org.eclipse.jdt.ui.buildpath.menu</code>).
      *
      * @since 3.1
      */
     public static final String MENU_ID= "org.eclipse.jdt.ui.buildpath.menu"; //$NON-NLS-1$

     /**
      * Pop-up menu: id of the build path (add /remove) group of the build path sub menu (value
      * <code>buildpathGroup</code>).
      *
      * @since 3.1
      */
     public static final String GROUP_BUILDPATH= "buildpathGroup";  //$NON-NLS-1$

     /**
      * Pop-up menu: id of the filter (include / exclude) group of the build path sub menu (value
      * <code>filterGroup</code>).
      *
      * @since 3.1
      */
     public static final String GROUP_FILTER= "filterGroup";  //$NON-NLS-1$

     /**
      * Pop-up menu: id of the customize (filters / output folder) group of the build path sub menu (value
      * <code>customizeGroup</code>).
      *
      * @since 3.1
      */
     public static final String GROUP_CUSTOMIZE= "customizeGroup";  //$NON-NLS-1$

 	private static class NoActionAvailable extends Action {
 		public NoActionAvailable() {
 			setEnabled(false);
 			setText(NewWizardMessages.GenerateBuildPathActionGroup_no_action_available);
 		}
 	}
 	private Action fNoActionAvailable= new NoActionAvailable();

     private class UpdateJarFileAction extends JarImportWizardAction implements IUpdate {

 		public UpdateJarFileAction() {
 			setText(ActionMessages.GenerateBuildPathActionGroup_update_jar_text);
 			setDescription(ActionMessages.GenerateBuildPathActionGroup_update_jar_description);
 			setToolTipText(ActionMessages.GenerateBuildPathActionGroup_update_jar_tooltip);
 			setImageDescriptor(JavaPluginImages.DESC_OBJS_JAR);
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.JARIMPORT_WIZARD_PAGE);
 		}

 		/**
 		 * {@inheritDoc}
 		 */
 		public void update() {
 			final IWorkbenchPart part= fSite.getPage().getActivePart();
 			if (part != null)
 				setActivePart(this, part);
 			selectionChanged(this, fSelectionProvider.getSelection());
 		}
 	}

     private final IWorkbenchSite fSite;
 	private final ISelectionProvider fSelectionProvider;
 	private final List<Action> fActions;

 	private String fGroupName= IContextMenuConstants.GROUP_REORGANIZE;


     /**
      * Creates a new <code>GenerateActionGroup</code>. The group
      * requires that the selection provided by the page's selection provider
      * is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
      *
      * @param page the page that owns this action group
      */
     public GenerateBuildPathActionGroup(Page page) {
 		this(page.getSite(), page.getSite().getSelectionProvider());
     }

     /**
      * Creates a new <code>GenerateActionGroup</code>. The group
      * requires that the selection provided by the part's selection provider
      * is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
      *
      * @param part the view part that owns this action group
      */
     public GenerateBuildPathActionGroup(IViewPart part) {
 		this(part.getSite(), part.getSite().getSelectionProvider());
     }
     /**
 	 * Creates a new <code>GenerateActionGroup</code>. The group requires
 	 * that the selection provided by the given selection provider is of type
 	 * {@link IStructuredSelection}.
 	 *
 	 * @param site the site that will own the action group.
 	 * @param selectionProvider the selection provider used instead of the
 	 *  page selection provider.
 	 *
 	 * @since 3.4
 	 */
 	public GenerateBuildPathActionGroup(IWorkbenchSite site, ISelectionProvider selectionProvider) {
         fSite= site;
 		fSelectionProvider= selectionProvider;
         fActions= new ArrayList<Action>();

 		final CreateLinkedSourceFolderAction addLinkedSourceFolderAction= new CreateLinkedSourceFolderAction(site);
 		fActions.add(addLinkedSourceFolderAction);

         final CreateSourceFolderAction addSourceFolderAction= new CreateSourceFolderAction(site);
         fActions.add(addSourceFolderAction);

 		final AddFolderToBuildpathAction addFolder= new AddFolderToBuildpathAction(site);
 		fActions.add(addFolder);

 		final AddSelectedLibraryToBuildpathAction addSelectedLibrary= new AddSelectedLibraryToBuildpathAction(site);
 		fActions.add(addSelectedLibrary);

 		final RemoveFromBuildpathAction remove= new RemoveFromBuildpathAction(site);
 		fActions.add(remove);

 		final AddArchiveToBuildpathAction addArchive= new AddArchiveToBuildpathAction(site);
 		fActions.add(addArchive);

 		final AddLibraryToBuildpathAction addLibrary= new AddLibraryToBuildpathAction(site);
 		fActions.add(addLibrary);

 		final UpdateJarFileAction updateAction= new UpdateJarFileAction();
 		fActions.add(updateAction);

 		final ExcludeFromBuildpathAction exclude= new ExcludeFromBuildpathAction(site);
 		fActions.add(exclude);

 		final IncludeToBuildpathAction include= new IncludeToBuildpathAction(site);
 		fActions.add(include);

 		final EditFilterAction editFilterAction= new EditFilterAction(site);
 		fActions.add(editFilterAction);

 		final EditOutputFolderAction editOutput= new EditOutputFolderAction(site);
 		fActions.add(editOutput);

 		final ConfigureBuildPathAction configure= new ConfigureBuildPathAction(site);
 		fActions.add(configure);

 		for (Iterator<Action> iter= fActions.iterator(); iter.hasNext();) {
 			Action action= iter.next();
 			if (action instanceof ISelectionChangedListener) {
 				ISelectionChangedListener listener= (ISelectionChangedListener)action;
 				selectionProvider.addSelectionChangedListener(listener);
 				listener.selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
 			}
 		}

     }

     /* (non-Javadoc)
      * Method declared in ActionGroup
      */
     @Override
 	public void fillActionBars(IActionBars actionBar) {
         super.fillActionBars(actionBar);
         setGlobalActionHandlers(actionBar);
     }

     /* (non-Javadoc)
      * Method declared in ActionGroup
      */
     @Override
 	public void fillContextMenu(IMenuManager menu) {
         super.fillContextMenu(menu);
         if (!canOperateOnSelection())
         	return;
         String menuText= ActionMessages.BuildPath_label;
         IMenuManager subMenu= new MenuManager(menuText, MENU_ID);
         subMenu.addMenuListener(new IMenuListener() {
         	public void menuAboutToShow(IMenuManager manager) {
         		fillViewSubMenu(manager);
         	}
         });
         subMenu.setRemoveAllWhenShown(true);
         subMenu.add(new ConfigureBuildPathAction(fSite));
         menu.appendToGroup(fGroupName, subMenu);
     }

 	private void fillViewSubMenu(IMenuManager source) {
         int added= 0;
         int i=0;
         for (Iterator<Action> iter= fActions.iterator(); iter.hasNext();) {
 			Action action= iter.next();
 			if (action instanceof IUpdate)
 				((IUpdate) action).update();

             if (i == 2)
                 source.add(new Separator(GROUP_BUILDPATH));
             else if (i == 8)
                 source.add(new Separator(GROUP_FILTER));
             else if (i == 10)
                 source.add(new Separator(GROUP_CUSTOMIZE));
             added+= addAction(source, action);
             i++;
 		}

         if (added == 0) {
         	source.add(fNoActionAvailable);
         }
     }

 	/**
 	 * @param actionBar the action bars to set the handler for
 	 */
 	private void setGlobalActionHandlers(IActionBars actionBar) {
         // TODO implement
     }

     private int addAction(IMenuManager menu, IAction action) {
         if (action != null && action.isEnabled()) {
             menu.add(action);
             return 1;
         }
         return 0;
     }

     private boolean canOperateOnSelection() {
 		ISelection sel= fSelectionProvider.getSelection();
     	if (!(sel instanceof IStructuredSelection))
     		return false;
     	IStructuredSelection selection= (IStructuredSelection)sel;
     	if (selection.isEmpty())
 			return false;
     	for (Iterator<?> iter= selection.iterator(); iter.hasNext();) {
 			Object element= iter.next();
 			if (element instanceof IWorkingSet)
 				return false;
 		}
     	return true;
     }

 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	public void dispose() {
 		if (fActions != null) {
 			for (Iterator<Action> iter= fActions.iterator(); iter.hasNext();) {
 				Action action= iter.next();
 				if (action instanceof ISelectionChangedListener)
 					fSelectionProvider.removeSelectionChangedListener((ISelectionChangedListener) action);
 			}
 			fActions.clear();
 		}
 		super.dispose();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2011 IBM Corporation 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.action.IMenuListener;
	import org.eclipse.jface.action.IMenuManager;
	import org.eclipse.jface.action.MenuManager;
	import org.eclipse.jface.action.Separator;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.ISelectionProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;

	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.IViewPart;
	import org.eclipse.ui.IWorkbenchPart;
	import org.eclipse.ui.IWorkbenchSite;
	import org.eclipse.ui.IWorkingSet;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.actions.ActionGroup;
	import org.eclipse.ui.part.Page;

	import org.eclipse.ui.texteditor.IUpdate;

	import org.eclipse.jdt.ui.IContextMenuConstants;

	import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
	import org.eclipse.jdt.internal.ui.JavaPluginImages;
	import org.eclipse.jdt.internal.ui.actions.ActionMessages;
	import org.eclipse.jdt.internal.ui.actions.JarImportWizardAction;
	import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;

	/**
	* Action group that adds the source and generate actions to a part's context
	* menu and installs handlers for the corresponding global menu actions.
	*
	* <p>
	* This class may be instantiated; it is not intended to be subclassed.
	* </p>
	*
	* @since 3.1
	*/
	public class GenerateBuildPathActionGroup extends ActionGroup {
	/**
	* Pop-up menu: id of the source sub menu (value <code>org.eclipse.jdt.ui.buildpath.menu</code>).
	*
	* @since 3.1
	*/
	public static final String MENU_ID= "org.eclipse.jdt.ui.buildpath.menu"; //$NON-NLS-1$

	/**
	* Pop-up menu: id of the build path (add /remove) group of the build path sub menu (value
	* <code>buildpathGroup</code>).
	*
	* @since 3.1
	*/
	public static final String GROUP_BUILDPATH= "buildpathGroup"; //$NON-NLS-1$

	/**
	* Pop-up menu: id of the filter (include / exclude) group of the build path sub menu (value
	* <code>filterGroup</code>).
	*
	* @since 3.1
	*/
	public static final String GROUP_FILTER= "filterGroup"; //$NON-NLS-1$

	/**
	* Pop-up menu: id of the customize (filters / output folder) group of the build path sub menu (value
	* <code>customizeGroup</code>).
	*
	* @since 3.1
	*/
	public static final String GROUP_CUSTOMIZE= "customizeGroup"; //$NON-NLS-1$

	private static class NoActionAvailable extends Action {
	public NoActionAvailable() {
	setEnabled(false);
	setText(NewWizardMessages.GenerateBuildPathActionGroup_no_action_available);
	}
	}
	private Action fNoActionAvailable= new NoActionAvailable();

	private class UpdateJarFileAction extends JarImportWizardAction implements IUpdate {

	public UpdateJarFileAction() {
	setText(ActionMessages.GenerateBuildPathActionGroup_update_jar_text);
	setDescription(ActionMessages.GenerateBuildPathActionGroup_update_jar_description);
	setToolTipText(ActionMessages.GenerateBuildPathActionGroup_update_jar_tooltip);
	setImageDescriptor(JavaPluginImages.DESC_OBJS_JAR);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.JARIMPORT_WIZARD_PAGE);
	}

	/**
	* {@inheritDoc}
	*/
	public void update() {
	final IWorkbenchPart part= fSite.getPage().getActivePart();
	if (part != null)
	setActivePart(this, part);
	selectionChanged(this, fSelectionProvider.getSelection());
	}
	}

	private final IWorkbenchSite fSite;
	private final ISelectionProvider fSelectionProvider;
	private final List<Action> fActions;

	private String fGroupName= IContextMenuConstants.GROUP_REORGANIZE;


	/**
	* Creates a new <code>GenerateActionGroup</code>. The group
	* requires that the selection provided by the page's selection provider
	* is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
	*
	* @param page the page that owns this action group
	*/
	public GenerateBuildPathActionGroup(Page page) {
	this(page.getSite(), page.getSite().getSelectionProvider());
	}

	/**
	* Creates a new <code>GenerateActionGroup</code>. The group
	* requires that the selection provided by the part's selection provider
	* is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
	*
	* @param part the view part that owns this action group
	*/
	public GenerateBuildPathActionGroup(IViewPart part) {
	this(part.getSite(), part.getSite().getSelectionProvider());
	}
	/**
	* Creates a new <code>GenerateActionGroup</code>. The group requires
	* that the selection provided by the given selection provider is of type
	* {@link IStructuredSelection}.
	*
	* @param site the site that will own the action group.
	* @param selectionProvider the selection provider used instead of the
	* page selection provider.
	*
	* @since 3.4
	*/
	public GenerateBuildPathActionGroup(IWorkbenchSite site, ISelectionProvider selectionProvider) {
	fSite= site;
	fSelectionProvider= selectionProvider;
	fActions= new ArrayList<Action>();

	final CreateLinkedSourceFolderAction addLinkedSourceFolderAction= new CreateLinkedSourceFolderAction(site);
	fActions.add(addLinkedSourceFolderAction);

	final CreateSourceFolderAction addSourceFolderAction= new CreateSourceFolderAction(site);
	fActions.add(addSourceFolderAction);

	final AddFolderToBuildpathAction addFolder= new AddFolderToBuildpathAction(site);
	fActions.add(addFolder);

	final AddSelectedLibraryToBuildpathAction addSelectedLibrary= new AddSelectedLibraryToBuildpathAction(site);
	fActions.add(addSelectedLibrary);

	final RemoveFromBuildpathAction remove= new RemoveFromBuildpathAction(site);
	fActions.add(remove);

	final AddArchiveToBuildpathAction addArchive= new AddArchiveToBuildpathAction(site);
	fActions.add(addArchive);

	final AddLibraryToBuildpathAction addLibrary= new AddLibraryToBuildpathAction(site);
	fActions.add(addLibrary);

	final UpdateJarFileAction updateAction= new UpdateJarFileAction();
	fActions.add(updateAction);

	final ExcludeFromBuildpathAction exclude= new ExcludeFromBuildpathAction(site);
	fActions.add(exclude);

	final IncludeToBuildpathAction include= new IncludeToBuildpathAction(site);
	fActions.add(include);

	final EditFilterAction editFilterAction= new EditFilterAction(site);
	fActions.add(editFilterAction);

	final EditOutputFolderAction editOutput= new EditOutputFolderAction(site);
	fActions.add(editOutput);

	final ConfigureBuildPathAction configure= new ConfigureBuildPathAction(site);
	fActions.add(configure);

	for (Iterator<Action> iter= fActions.iterator(); iter.hasNext();) {
	Action action= iter.next();
	if (action instanceof ISelectionChangedListener) {
	ISelectionChangedListener listener= (ISelectionChangedListener)action;
	selectionProvider.addSelectionChangedListener(listener);
	listener.selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
	}
	}

	}

	/* (non-Javadoc)
	* Method declared in ActionGroup
	*/
	@Override
	public void fillActionBars(IActionBars actionBar) {
	super.fillActionBars(actionBar);
	setGlobalActionHandlers(actionBar);
	}

	/* (non-Javadoc)
	* Method declared in ActionGroup
	*/
	@Override
	public void fillContextMenu(IMenuManager menu) {
	super.fillContextMenu(menu);
	if (!canOperateOnSelection())
	return;
	String menuText= ActionMessages.BuildPath_label;
	IMenuManager subMenu= new MenuManager(menuText, MENU_ID);
	subMenu.addMenuListener(new IMenuListener() {
	public void menuAboutToShow(IMenuManager manager) {
	fillViewSubMenu(manager);
	}
	});
	subMenu.setRemoveAllWhenShown(true);
	subMenu.add(new ConfigureBuildPathAction(fSite));
	menu.appendToGroup(fGroupName, subMenu);
	}

	private void fillViewSubMenu(IMenuManager source) {
	int added= 0;
	int i=0;
	for (Iterator<Action> iter= fActions.iterator(); iter.hasNext();) {
	Action action= iter.next();
	if (action instanceof IUpdate)
	((IUpdate) action).update();

	if (i == 2)
	source.add(new Separator(GROUP_BUILDPATH));
	else if (i == 8)
	source.add(new Separator(GROUP_FILTER));
	else if (i == 10)
	source.add(new Separator(GROUP_CUSTOMIZE));
	added+= addAction(source, action);
	i++;
	}

	if (added == 0) {
	source.add(fNoActionAvailable);
	}
	}

	/**
	* @param actionBar the action bars to set the handler for
	*/
	private void setGlobalActionHandlers(IActionBars actionBar) {
	// TODO implement
	}

	private int addAction(IMenuManager menu, IAction action) {
	if (action != null && action.isEnabled()) {
	menu.add(action);
	return 1;
	}
	return 0;
	}

	private boolean canOperateOnSelection() {
	ISelection sel= fSelectionProvider.getSelection();
	if (!(sel instanceof IStructuredSelection))
	return false;
	IStructuredSelection selection= (IStructuredSelection)sel;
	if (selection.isEmpty())
	return false;
	for (Iterator<?> iter= selection.iterator(); iter.hasNext();) {
	Object element= iter.next();
	if (element instanceof IWorkingSet)
	return false;
	}
	return true;
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void dispose() {
	if (fActions != null) {
	for (Iterator<Action> iter= fActions.iterator(); iter.hasNext();) {
	Action action= iter.next();
	if (action instanceof ISelectionChangedListener)
	fSelectionProvider.removeSelectionChangedListener((ISelectionChangedListener) action);
	}
	fActions.clear();
	}
	super.dispose();
	}
	}