bundles/org.eclipse.e4.tools.emf.ui/src/org/eclipse/e4/tools/emf/ui/internal/common/component/MenuEditor.java - platform/eclipse.platform.ui.tools - Git at Google

 /*******************************************************************************
  * f * Copyright (c) 2010, 2017 BestSolution.at 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:
  * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
  * Marco Descher <marco@descher.at> - Bug 395982
  * Lars Vogel <Lars.Vogel@gmail.com> - Ongoing maintenance
  * Steven Spungin <steven@spungin.tv> - Bug 424730, Bug 437951
  * Olivier Prouvost <olivier@opcoach.com> - Bug 472658
  ******************************************************************************/
 package org.eclipse.e4.tools.emf.ui.internal.common.component;

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

 import javax.annotation.PostConstruct;
 import javax.inject.Inject;

 import org.eclipse.core.databinding.UpdateValueStrategy;
 import org.eclipse.core.databinding.observable.list.IObservableList;
 import org.eclipse.core.databinding.observable.list.ListDiffVisitor;
 import org.eclipse.core.databinding.observable.list.WritableList;
 import org.eclipse.core.databinding.observable.value.WritableValue;
 import org.eclipse.core.databinding.property.list.IListProperty;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.core.di.annotations.Optional;
 import org.eclipse.e4.tools.emf.ui.common.ImageTooltip;
 import org.eclipse.e4.tools.emf.ui.common.Util;
 import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor;
 import org.eclipse.e4.tools.emf.ui.internal.ResourceProvider;
 import org.eclipse.e4.tools.emf.ui.internal.common.E4PickList;
 import org.eclipse.e4.tools.emf.ui.internal.common.E4PickList.Struct;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory.TextPasteHandler;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.MenuItemEditor.EClass2EObject;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.MenuItemEditor.EObject2EClass;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.MenuIconDialogEditor;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.virtual.VMenuEditor;
 import org.eclipse.e4.tools.emf.ui.internal.common.uistructure.UIViewer;
 import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
 import org.eclipse.e4.ui.model.application.ui.MExpression;
 import org.eclipse.e4.ui.model.application.ui.MUIElement;
 import org.eclipse.e4.ui.model.application.ui.MUILabel;
 import org.eclipse.e4.ui.model.application.ui.MUiFactory;
 import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
 import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
 import org.eclipse.e4.ui.model.application.ui.menu.MMenu;
 import org.eclipse.e4.ui.model.application.ui.menu.MMenuElement;
 import org.eclipse.e4.ui.model.application.ui.menu.impl.MenuPackageImpl;
 import org.eclipse.emf.common.command.Command;
 import org.eclipse.emf.databinding.EMFDataBindingContext;
 import org.eclipse.emf.databinding.EMFProperties;
 import org.eclipse.emf.databinding.FeaturePath;
 import org.eclipse.emf.databinding.IEMFListProperty;
 import org.eclipse.emf.databinding.IEMFValueProperty;
 import org.eclipse.emf.databinding.edit.EMFEditProperties;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.emf.edit.command.AddCommand;
 import org.eclipse.emf.edit.command.SetCommand;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
 import org.eclipse.jface.databinding.swt.WidgetProperties;
 import org.eclipse.jface.databinding.viewers.ViewerProperties;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.ComboViewer;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CTabFolder;
 import org.eclipse.swt.custom.CTabItem;
 import org.eclipse.swt.custom.StackLayout;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;

 public class MenuEditor extends AbstractComponentEditor {

 	private Composite composite;
 	private EMFDataBindingContext context;

 	private final IListProperty ELEMENT_CONTAINER__CHILDREN = EMFProperties
 			.list(UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
 	private final IEMFValueProperty UI_ELEMENT__VISIBLE_WHEN = EMFProperties
 			.value(UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN);
 	private StackLayout stackLayout;
 	private final List<Action> actions = new ArrayList<>();

 	@Inject
 	@Optional
 	private IProject project;

 	@Inject
 	IEclipseContext eclipseContext;

 	private Action addExpression;

 	@Inject
 	public MenuEditor() {
 		super();
 	}

 	@PostConstruct
 	void init() {
 		actions.add(new Action(Messages.MenuEditor_AddHandledMenuItem,
 				createImageDescriptor(ResourceProvider.IMG_HandledMenuItem)) {
 			@Override
 			public void run() {
 				handleAdd(MenuPackageImpl.Literals.HANDLED_MENU_ITEM, false);
 			}
 		});
 		actions.add(new Action(Messages.MenuEditor_AddMenu, createImageDescriptor(ResourceProvider.IMG_Menu)) {
 			@Override
 			public void run() {
 				handleAdd(MenuPackageImpl.Literals.MENU, false);
 			}
 		});
 		actions.add(new Action(Messages.MenuEditor_AddDirectMenuItem,
 				createImageDescriptor(ResourceProvider.IMG_DirectMenuItem)) {
 			@Override
 			public void run() {
 				handleAdd(MenuPackageImpl.Literals.DIRECT_MENU_ITEM, false);
 			}
 		});
 		actions.add(new Action(Messages.MenuEditor_AddSeparator,
 				createImageDescriptor(ResourceProvider.IMG_MenuSeparator)) {
 			@Override
 			public void run() {
 				handleAdd(MenuPackageImpl.Literals.MENU_SEPARATOR, true);
 			}
 		});
 		actions.add(new Action(Messages.MenuEditor_AddDynamicMenuContribution,
 				createImageDescriptor(ResourceProvider.IMG_DynamicMenuContribution)) {
 			@Override
 			public void run() {
 				handleAdd(MenuPackageImpl.Literals.DYNAMIC_MENU_CONTRIBUTION, false);
 			}
 		});
 		addExpression = new Action(Messages.MenuEditor_AddCoreExpression,
 				createImageDescriptor(ResourceProvider.IMG_CoreExpression)) {
 			@Override
 			public void run() {
 				final MUIElement e = (MUIElement) getMaster().getValue();
 				final Command cmd = SetCommand.create(getEditingDomain(), e,
 						UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN, MUiFactory.INSTANCE.createCoreExpression());
 				if (cmd.canExecute()) {
 					getEditingDomain().getCommandStack().execute(cmd);
 				}
 			}
 		};
 	}

 	@Override
 	public Image getImage(Object element) {
 		return getImage(element, ResourceProvider.IMG_Menu);
 	}

 	@Override
 	public String getDescription(Object element) {
 		return Messages.MenuEditor_Description;
 	}

 	@Override
 	public Composite doGetEditor(Composite parent, Object object) {
 		if (composite == null) {
 			context = new EMFDataBindingContext();
 			composite = new Composite(parent, SWT.NONE);
 			stackLayout = new StackLayout();
 			composite.setLayout(stackLayout);

 			createForm(composite, context, getMaster(), false, false);
 			createForm(composite, context, getMaster(), true, false);
 			if (getEditor().isModelFragment()) {
 				createForm(composite, context, getMaster(), false, true);
 			}
 		}
 		final EObject o = (EObject) object;
 		Control topControl;
 		if (Util.isImport(o) && getEditor().isModelFragment()) {
 			topControl = composite.getChildren()[2];
 		} else if (o.eContainer() instanceof MWindow || o.eContainer() == null) {
 			topControl = composite.getChildren()[1];
 		} else {
 			topControl = composite.getChildren()[0];
 		}

 		if (stackLayout.topControl != topControl) {
 			stackLayout.topControl = topControl;
 			composite.layout(true, true);
 		}

 		getMaster().setValue(object);
 		enableIdGenerator(UiPackageImpl.Literals.UI_LABEL__LABEL,
 				ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID, null);
 		return composite;
 	}

 	protected Composite createForm(Composite parent, EMFDataBindingContext context, WritableValue master,
 			boolean rootMenu, boolean isImport) {
 		final CTabFolder folder = new CTabFolder(parent, SWT.BOTTOM);

 		CTabItem item = new CTabItem(folder, SWT.NONE);
 		item.setText(Messages.ModelTooling_Common_TabDefault);

 		parent = createScrollableContainer(folder);
 		item.setControl(parent.getParent());

 		if (getEditor().isShowXMIId() || getEditor().isLiveModel()) {
 			ControlFactory.createXMIId(parent, this);
 		}

 		final IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);

 		if (isImport) {
 			ControlFactory.createFindImport(parent, Messages, this, context);
 			folder.setSelection(0);
 			return folder;
 		}

 		ControlFactory.createTextField(parent, Messages.ModelTooling_Common_Id, master, context, textProp,
 				EMFEditProperties
 				.value(getEditingDomain(), ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID));

 		// ------------------------------------------------------------
 		if (!rootMenu) {
 			ControlFactory.createTranslatedTextField(parent, Messages.MenuEditor_LabelLabel, master, context, textProp,
 					EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__LABEL), resourcePool,
 					project);
 		}

 		ControlFactory.createTextField(parent, Messages.MenuEditor_Mnemonics, master, context, textProp,
 				EMFEditProperties.value(getEditingDomain(), MenuPackageImpl.Literals.MENU_ELEMENT__MNEMONICS));

 		{

 			// Label l = new Label(parent, SWT.NONE);
 			// l.setText(Messages.MenuEditor_Children);
 			// l.setLayoutData(new GridData(GridData.END, GridData.BEGINNING,
 			// false, false));
 			//
 			// new Label(parent, SWT.NONE);
 			// new Label(parent, SWT.NONE);

 			final E4PickList pickList = new E4PickList(parent, SWT.NONE, null, Messages, this,
 					UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
 			pickList.setText(Messages.MenuEditor_Children);
 			pickList.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));

 			final Struct defaultStruct = new Struct(Messages.MenuEditor_HandledMenuItem,
 					MenuPackageImpl.Literals.HANDLED_MENU_ITEM, false);
 			pickList.setInput(new Struct[] {
 					new Struct(Messages.MenuEditor_Separator, MenuPackageImpl.Literals.MENU_SEPARATOR, true),
 					new Struct(Messages.MenuEditor_Menu, MenuPackageImpl.Literals.MENU, false),
 					defaultStruct,
 					new Struct(Messages.MenuEditor_DirectMenuItem, MenuPackageImpl.Literals.DIRECT_MENU_ITEM, false),
 					new Struct(Messages.MenuEditor_DynamicMenuContribution,
 							MenuPackageImpl.Literals.DYNAMIC_MENU_CONTRIBUTION, false) });
 			pickList.setSelection(new StructuredSelection(defaultStruct));

 			final IEMFListProperty prop = EMFEditProperties.list(getEditingDomain(),
 					UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
 			pickList.getList().setInput(prop.observeDetail(master));

 		}

 		// ------------------------------------------------------------
 		if (!rootMenu) {
 			ControlFactory.createTranslatedTextField(parent, Messages.MenuEditor_Tooltip, master, context, textProp,
 					EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__TOOLTIP), resourcePool,
 					project);
 		}

 		// ------------------------------------------------------------
 		if (!rootMenu) {
 			final Label l = new Label(parent, SWT.NONE);
 			l.setText(Messages.MenuEditor_IconURI);
 			l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));

 			final Text t = new Text(parent, SWT.BORDER);
 			TextPasteHandler.createFor(t);
 			t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 			context.bindValue(
 					textProp.observeDelayed(200, t),
 					EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__ICON_URI).observeDetail(
 							master));

 			new ImageTooltip(t, Messages, this);

 			final Button b = new Button(parent, SWT.PUSH | SWT.FLAT);
 			b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, false, false));
 			b.setImage(createImage(ResourceProvider.IMG_Obj16_zoom));
 			b.setText(Messages.ModelTooling_Common_FindEllipsis);
 			b.addSelectionListener(new SelectionAdapter() {
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					final MenuIconDialogEditor dialog = new MenuIconDialogEditor(b.getShell(), eclipseContext, project,
 							getEditingDomain(), (MMenu) getMaster().getValue(), Messages);
 					dialog.open();
 				}
 			});
 		}

 		{
 			final Label l = new Label(parent, SWT.NONE);
 			l.setText(Messages.ModelTooling_UIElement_VisibleWhen);
 			l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));

 			final ComboViewer combo = new ComboViewer(parent);
 			combo.getControl().setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false, 2, 1));
 			combo.setContentProvider(new ArrayContentProvider());
 			combo.setLabelProvider(new LabelProvider() {
 				@Override
 				public String getText(Object element) {
 					if (element instanceof EClass) {
 						final EClass eClass = (EClass) element;
 						return eClass.getName();
 					}

 					return super.getText(element);
 				}
 			});
 			final List<Object> list = new ArrayList<>();
 			list.add(Messages.MenuItemEditor_NoExpression);
 			list.add(UiPackageImpl.Literals.CORE_EXPRESSION);
 			list.add(UiPackageImpl.Literals.IMPERATIVE_EXPRESSION);
 			list.addAll(getEditor().getFeatureClasses(UiPackageImpl.Literals.EXPRESSION,
 					UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN));
 			combo.setInput(list);
 			context.bindValue(ViewerProperties.singleSelection().observe(combo),
 					EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN)
 					.observeDetail(getMaster()), new UpdateValueStrategy().setConverter(new EClass2EObject(Messages)),
 					new UpdateValueStrategy().setConverter(new EObject2EClass(Messages)));
 		}

 		ControlFactory.createCheckBox(parent, Messages.ModelTooling_UIElement_ToBeRendered, getMaster(), context,
 				WidgetProperties.selection(),
 				EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__TO_BE_RENDERED));
 		ControlFactory.createCheckBox(parent, Messages.ModelTooling_UIElement_Visible, getMaster(), context,
 				WidgetProperties.selection(),
 				EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__VISIBLE));

 		item = new CTabItem(folder, SWT.NONE);
 		item.setText(Messages.ModelTooling_Common_TabSupplementary);

 		parent = createScrollableContainer(folder);
 		item.setControl(parent.getParent());

 		ControlFactory.createTextField(parent, Messages.ModelTooling_UIElement_AccessibilityPhrase, getMaster(),
 				context, textProp,
 				EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__ACCESSIBILITY_PHRASE));
 		ControlFactory.createStringListWidget(parent, Messages, this, Messages.CategoryEditor_Tags,
 				ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__TAGS, VERTICAL_LIST_WIDGET_INDENT);
 		ControlFactory.createMapProperties(parent, Messages, this, Messages.ModelTooling_Contribution_PersistedState,
 				ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__PERSISTED_STATE, VERTICAL_LIST_WIDGET_INDENT);

 		if (project == null) {
 			createUITreeInspection(folder);
 		}

 		createContributedEditorTabs(folder, context, getMaster(), MMenu.class);

 		folder.setSelection(0);

 		return folder;
 	}

 	private void createUITreeInspection(CTabFolder folder) {
 		final CTabItem item = new CTabItem(folder, SWT.NONE);
 		item.setText(Messages.ModelTooling_Common_RuntimeWidgetTree);
 		final Composite container = new Composite(folder, SWT.NONE);
 		container.setLayout(new GridLayout());
 		item.setControl(container);

 		final UIViewer objectViewer = new UIViewer();
 		final TreeViewer viewer = objectViewer.createViewer(container, UiPackageImpl.Literals.UI_ELEMENT__WIDGET,
 				getMaster(), resourcePool, Messages);
 		viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
 	}

 	@Override
 	public IObservableList getChildList(Object element) {
 		final WritableList list = new WritableList();

 		if (((MUIElement) element).getVisibleWhen() != null) {
 			list.add(0, ((MUIElement) element).getVisibleWhen());
 		}

 		UI_ELEMENT__VISIBLE_WHEN.observe(element).addValueChangeListener(event -> {
 			if (event.diff.getOldValue() != null) {
 				list.remove(event.diff.getOldValue());
 			}

 			if (event.diff.getNewValue() != null) {
 				list.add(0, event.diff.getNewValue());
 			}
 		});

 		final IObservableList l = ELEMENT_CONTAINER__CHILDREN.observe(element);
 		l.addListChangeListener(event -> event.diff.accept(new ListDiffVisitor() {

 			@Override
 			public void handleRemove(int index, Object element) {
 				list.remove(element);
 			}

 			@Override
 			public void handleMove(int oldIndex, int newIndex, Object element) {
 				if (list.get(0) instanceof MExpression) {
 					oldIndex += 1;
 					newIndex += 1;
 				}
 				list.move(oldIndex, newIndex);
 			}

 			@Override
 			public void handleAdd(int index, Object element) {
 				list.add(element);
 			}
 		}));
 		list.addAll(l);

 		return list;
 	}

 	@Override
 	public String getLabel(Object element) {
 		final MMenu menu = (MMenu) element;
 		if (menu.getParent() == null) {
 			final EObject o = (EObject) element;
 			if (o.eContainer() instanceof MWindow) {
 				return Messages.MenuEditor_MainMenu;
 			} else if (menu.getTags().contains(VMenuEditor.VIEW_MENU_TAG)) {
 				return Messages.MenuEditor_Label_ViewMenu;
 			}
 		} else if (menu.getTags().contains(VMenuEditor.VIEW_MENU_TAG)) {
 			return Messages.MenuEditor_Label_ViewMenu;
 		}
 		return Messages.MenuEditor_Label;
 	}

 	@Override
 	public String getDetailLabel(Object element) {
 		return getLocalizedLabel((MUILabel) element);
 	}

 	@Override
 	public FeaturePath[] getLabelProperties() {
 		return new FeaturePath[] { FeaturePath.fromList(UiPackageImpl.Literals.UI_LABEL__LABEL),
 				FeaturePath.fromList(UiPackageImpl.Literals.UI_LABEL__ICON_URI),
 				FeaturePath.fromList(UiPackageImpl.Literals.UI_ELEMENT__TO_BE_RENDERED) };
 	}

 	protected void handleAdd(EClass eClass, boolean separator) {
 		final MMenuElement eObject = (MMenuElement) EcoreUtil.create(eClass);
 		setElementId(eObject);
 		final Command cmd = AddCommand.create(getEditingDomain(), getMaster().getValue(),
 				UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN, eObject);

 		if (cmd.canExecute()) {
 			getEditingDomain().getCommandStack().execute(cmd);
 			if (!separator) {
 				getEditor().setSelection(eObject);
 			}
 		}
 	}

 	@Override
 	public List<Action> getActions(Object element) {
 		final ArrayList<Action> l = new ArrayList<>(super.getActions(element));
 		l.addAll(actions);
 		if (((MUIElement) getMaster().getValue()).getVisibleWhen() == null) {
 			l.add(addExpression);
 		}
 		return l;
 	}
 }
	/*******************************************************************************
	* f * Copyright (c) 2010, 2017 BestSolution.at 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:
	* Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
	* Marco Descher <marco@descher.at> - Bug 395982
	* Lars Vogel <Lars.Vogel@gmail.com> - Ongoing maintenance
	* Steven Spungin <steven@spungin.tv> - Bug 424730, Bug 437951
	* Olivier Prouvost <olivier@opcoach.com> - Bug 472658
	******************************************************************************/
	package org.eclipse.e4.tools.emf.ui.internal.common.component;

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

	import javax.annotation.PostConstruct;
	import javax.inject.Inject;

	import org.eclipse.core.databinding.UpdateValueStrategy;
	import org.eclipse.core.databinding.observable.list.IObservableList;
	import org.eclipse.core.databinding.observable.list.ListDiffVisitor;
	import org.eclipse.core.databinding.observable.list.WritableList;
	import org.eclipse.core.databinding.observable.value.WritableValue;
	import org.eclipse.core.databinding.property.list.IListProperty;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.e4.core.contexts.IEclipseContext;
	import org.eclipse.e4.core.di.annotations.Optional;
	import org.eclipse.e4.tools.emf.ui.common.ImageTooltip;
	import org.eclipse.e4.tools.emf.ui.common.Util;
	import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor;
	import org.eclipse.e4.tools.emf.ui.internal.ResourceProvider;
	import org.eclipse.e4.tools.emf.ui.internal.common.E4PickList;
	import org.eclipse.e4.tools.emf.ui.internal.common.E4PickList.Struct;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory.TextPasteHandler;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.MenuItemEditor.EClass2EObject;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.MenuItemEditor.EObject2EClass;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.MenuIconDialogEditor;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.virtual.VMenuEditor;
	import org.eclipse.e4.tools.emf.ui.internal.common.uistructure.UIViewer;
	import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
	import org.eclipse.e4.ui.model.application.ui.MExpression;
	import org.eclipse.e4.ui.model.application.ui.MUIElement;
	import org.eclipse.e4.ui.model.application.ui.MUILabel;
	import org.eclipse.e4.ui.model.application.ui.MUiFactory;
	import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
	import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
	import org.eclipse.e4.ui.model.application.ui.menu.MMenu;
	import org.eclipse.e4.ui.model.application.ui.menu.MMenuElement;
	import org.eclipse.e4.ui.model.application.ui.menu.impl.MenuPackageImpl;
	import org.eclipse.emf.common.command.Command;
	import org.eclipse.emf.databinding.EMFDataBindingContext;
	import org.eclipse.emf.databinding.EMFProperties;
	import org.eclipse.emf.databinding.FeaturePath;
	import org.eclipse.emf.databinding.IEMFListProperty;
	import org.eclipse.emf.databinding.IEMFValueProperty;
	import org.eclipse.emf.databinding.edit.EMFEditProperties;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.util.EcoreUtil;
	import org.eclipse.emf.edit.command.AddCommand;
	import org.eclipse.emf.edit.command.SetCommand;
	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
	import org.eclipse.jface.databinding.swt.WidgetProperties;
	import org.eclipse.jface.databinding.viewers.ViewerProperties;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.ComboViewer;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TreeViewer;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.CTabFolder;
	import org.eclipse.swt.custom.CTabItem;
	import org.eclipse.swt.custom.StackLayout;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;

	public class MenuEditor extends AbstractComponentEditor {

	private Composite composite;
	private EMFDataBindingContext context;

	private final IListProperty ELEMENT_CONTAINER__CHILDREN = EMFProperties
	.list(UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
	private final IEMFValueProperty UI_ELEMENT__VISIBLE_WHEN = EMFProperties
	.value(UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN);
	private StackLayout stackLayout;
	private final List<Action> actions = new ArrayList<>();

	@Inject
	@Optional
	private IProject project;

	@Inject
	IEclipseContext eclipseContext;

	private Action addExpression;

	@Inject
	public MenuEditor() {
	super();
	}

	@PostConstruct
	void init() {
	actions.add(new Action(Messages.MenuEditor_AddHandledMenuItem,
	createImageDescriptor(ResourceProvider.IMG_HandledMenuItem)) {
	@Override
	public void run() {
	handleAdd(MenuPackageImpl.Literals.HANDLED_MENU_ITEM, false);
	}
	});
	actions.add(new Action(Messages.MenuEditor_AddMenu, createImageDescriptor(ResourceProvider.IMG_Menu)) {
	@Override
	public void run() {
	handleAdd(MenuPackageImpl.Literals.MENU, false);
	}
	});
	actions.add(new Action(Messages.MenuEditor_AddDirectMenuItem,
	createImageDescriptor(ResourceProvider.IMG_DirectMenuItem)) {
	@Override
	public void run() {
	handleAdd(MenuPackageImpl.Literals.DIRECT_MENU_ITEM, false);
	}
	});
	actions.add(new Action(Messages.MenuEditor_AddSeparator,
	createImageDescriptor(ResourceProvider.IMG_MenuSeparator)) {
	@Override
	public void run() {
	handleAdd(MenuPackageImpl.Literals.MENU_SEPARATOR, true);
	}
	});
	actions.add(new Action(Messages.MenuEditor_AddDynamicMenuContribution,
	createImageDescriptor(ResourceProvider.IMG_DynamicMenuContribution)) {
	@Override
	public void run() {
	handleAdd(MenuPackageImpl.Literals.DYNAMIC_MENU_CONTRIBUTION, false);
	}
	});
	addExpression = new Action(Messages.MenuEditor_AddCoreExpression,
	createImageDescriptor(ResourceProvider.IMG_CoreExpression)) {
	@Override
	public void run() {
	final MUIElement e = (MUIElement) getMaster().getValue();
	final Command cmd = SetCommand.create(getEditingDomain(), e,
	UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN, MUiFactory.INSTANCE.createCoreExpression());
	if (cmd.canExecute()) {
	getEditingDomain().getCommandStack().execute(cmd);
	}
	}
	};
	}

	@Override
	public Image getImage(Object element) {
	return getImage(element, ResourceProvider.IMG_Menu);
	}

	@Override
	public String getDescription(Object element) {
	return Messages.MenuEditor_Description;
	}

	@Override
	public Composite doGetEditor(Composite parent, Object object) {
	if (composite == null) {
	context = new EMFDataBindingContext();
	composite = new Composite(parent, SWT.NONE);
	stackLayout = new StackLayout();
	composite.setLayout(stackLayout);

	createForm(composite, context, getMaster(), false, false);
	createForm(composite, context, getMaster(), true, false);
	if (getEditor().isModelFragment()) {
	createForm(composite, context, getMaster(), false, true);
	}
	}
	final EObject o = (EObject) object;
	Control topControl;
	if (Util.isImport(o) && getEditor().isModelFragment()) {
	topControl = composite.getChildren()[2];
	} else if (o.eContainer() instanceof MWindow \|\| o.eContainer() == null) {
	topControl = composite.getChildren()[1];
	} else {
	topControl = composite.getChildren()[0];
	}

	if (stackLayout.topControl != topControl) {
	stackLayout.topControl = topControl;
	composite.layout(true, true);
	}

	getMaster().setValue(object);
	enableIdGenerator(UiPackageImpl.Literals.UI_LABEL__LABEL,
	ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID, null);
	return composite;
	}

	protected Composite createForm(Composite parent, EMFDataBindingContext context, WritableValue master,
	boolean rootMenu, boolean isImport) {
	final CTabFolder folder = new CTabFolder(parent, SWT.BOTTOM);

	CTabItem item = new CTabItem(folder, SWT.NONE);
	item.setText(Messages.ModelTooling_Common_TabDefault);

	parent = createScrollableContainer(folder);
	item.setControl(parent.getParent());

	if (getEditor().isShowXMIId() \|\| getEditor().isLiveModel()) {
	ControlFactory.createXMIId(parent, this);
	}

	final IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);

	if (isImport) {
	ControlFactory.createFindImport(parent, Messages, this, context);
	folder.setSelection(0);
	return folder;
	}

	ControlFactory.createTextField(parent, Messages.ModelTooling_Common_Id, master, context, textProp,
	EMFEditProperties
	.value(getEditingDomain(), ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID));

	// ------------------------------------------------------------
	if (!rootMenu) {
	ControlFactory.createTranslatedTextField(parent, Messages.MenuEditor_LabelLabel, master, context, textProp,
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__LABEL), resourcePool,
	project);
	}

	ControlFactory.createTextField(parent, Messages.MenuEditor_Mnemonics, master, context, textProp,
	EMFEditProperties.value(getEditingDomain(), MenuPackageImpl.Literals.MENU_ELEMENT__MNEMONICS));

	{

	// Label l = new Label(parent, SWT.NONE);
	// l.setText(Messages.MenuEditor_Children);
	// l.setLayoutData(new GridData(GridData.END, GridData.BEGINNING,
	// false, false));
	//
	// new Label(parent, SWT.NONE);
	// new Label(parent, SWT.NONE);

	final E4PickList pickList = new E4PickList(parent, SWT.NONE, null, Messages, this,
	UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
	pickList.setText(Messages.MenuEditor_Children);
	pickList.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));

	final Struct defaultStruct = new Struct(Messages.MenuEditor_HandledMenuItem,
	MenuPackageImpl.Literals.HANDLED_MENU_ITEM, false);
	pickList.setInput(new Struct[] {
	new Struct(Messages.MenuEditor_Separator, MenuPackageImpl.Literals.MENU_SEPARATOR, true),
	new Struct(Messages.MenuEditor_Menu, MenuPackageImpl.Literals.MENU, false),
	defaultStruct,
	new Struct(Messages.MenuEditor_DirectMenuItem, MenuPackageImpl.Literals.DIRECT_MENU_ITEM, false),
	new Struct(Messages.MenuEditor_DynamicMenuContribution,
	MenuPackageImpl.Literals.DYNAMIC_MENU_CONTRIBUTION, false) });
	pickList.setSelection(new StructuredSelection(defaultStruct));

	final IEMFListProperty prop = EMFEditProperties.list(getEditingDomain(),
	UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
	pickList.getList().setInput(prop.observeDetail(master));

	}

	// ------------------------------------------------------------
	if (!rootMenu) {
	ControlFactory.createTranslatedTextField(parent, Messages.MenuEditor_Tooltip, master, context, textProp,
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__TOOLTIP), resourcePool,
	project);
	}

	// ------------------------------------------------------------
	if (!rootMenu) {
	final Label l = new Label(parent, SWT.NONE);
	l.setText(Messages.MenuEditor_IconURI);
	l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));

	final Text t = new Text(parent, SWT.BORDER);
	TextPasteHandler.createFor(t);
	t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	context.bindValue(
	textProp.observeDelayed(200, t),
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__ICON_URI).observeDetail(
	master));

	new ImageTooltip(t, Messages, this);

	final Button b = new Button(parent, SWT.PUSH \| SWT.FLAT);
	b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, false, false));
	b.setImage(createImage(ResourceProvider.IMG_Obj16_zoom));
	b.setText(Messages.ModelTooling_Common_FindEllipsis);
	b.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	final MenuIconDialogEditor dialog = new MenuIconDialogEditor(b.getShell(), eclipseContext, project,
	getEditingDomain(), (MMenu) getMaster().getValue(), Messages);
	dialog.open();
	}
	});
	}

	{
	final Label l = new Label(parent, SWT.NONE);
	l.setText(Messages.ModelTooling_UIElement_VisibleWhen);
	l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));

	final ComboViewer combo = new ComboViewer(parent);
	combo.getControl().setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false, 2, 1));
	combo.setContentProvider(new ArrayContentProvider());
	combo.setLabelProvider(new LabelProvider() {
	@Override
	public String getText(Object element) {
	if (element instanceof EClass) {
	final EClass eClass = (EClass) element;
	return eClass.getName();
	}

	return super.getText(element);
	}
	});
	final List<Object> list = new ArrayList<>();
	list.add(Messages.MenuItemEditor_NoExpression);
	list.add(UiPackageImpl.Literals.CORE_EXPRESSION);
	list.add(UiPackageImpl.Literals.IMPERATIVE_EXPRESSION);
	list.addAll(getEditor().getFeatureClasses(UiPackageImpl.Literals.EXPRESSION,
	UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN));
	combo.setInput(list);
	context.bindValue(ViewerProperties.singleSelection().observe(combo),
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__VISIBLE_WHEN)
	.observeDetail(getMaster()), new UpdateValueStrategy().setConverter(new EClass2EObject(Messages)),
	new UpdateValueStrategy().setConverter(new EObject2EClass(Messages)));
	}

	ControlFactory.createCheckBox(parent, Messages.ModelTooling_UIElement_ToBeRendered, getMaster(), context,
	WidgetProperties.selection(),
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__TO_BE_RENDERED));
	ControlFactory.createCheckBox(parent, Messages.ModelTooling_UIElement_Visible, getMaster(), context,
	WidgetProperties.selection(),
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__VISIBLE));

	item = new CTabItem(folder, SWT.NONE);
	item.setText(Messages.ModelTooling_Common_TabSupplementary);

	parent = createScrollableContainer(folder);
	item.setControl(parent.getParent());

	ControlFactory.createTextField(parent, Messages.ModelTooling_UIElement_AccessibilityPhrase, getMaster(),
	context, textProp,
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__ACCESSIBILITY_PHRASE));
	ControlFactory.createStringListWidget(parent, Messages, this, Messages.CategoryEditor_Tags,
	ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__TAGS, VERTICAL_LIST_WIDGET_INDENT);
	ControlFactory.createMapProperties(parent, Messages, this, Messages.ModelTooling_Contribution_PersistedState,
	ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__PERSISTED_STATE, VERTICAL_LIST_WIDGET_INDENT);

	if (project == null) {
	createUITreeInspection(folder);
	}

	createContributedEditorTabs(folder, context, getMaster(), MMenu.class);

	folder.setSelection(0);

	return folder;
	}

	private void createUITreeInspection(CTabFolder folder) {
	final CTabItem item = new CTabItem(folder, SWT.NONE);
	item.setText(Messages.ModelTooling_Common_RuntimeWidgetTree);
	final Composite container = new Composite(folder, SWT.NONE);
	container.setLayout(new GridLayout());
	item.setControl(container);

	final UIViewer objectViewer = new UIViewer();
	final TreeViewer viewer = objectViewer.createViewer(container, UiPackageImpl.Literals.UI_ELEMENT__WIDGET,
	getMaster(), resourcePool, Messages);
	viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
	}

	@Override
	public IObservableList getChildList(Object element) {
	final WritableList list = new WritableList();

	if (((MUIElement) element).getVisibleWhen() != null) {
	list.add(0, ((MUIElement) element).getVisibleWhen());
	}

	UI_ELEMENT__VISIBLE_WHEN.observe(element).addValueChangeListener(event -> {
	if (event.diff.getOldValue() != null) {
	list.remove(event.diff.getOldValue());
	}

	if (event.diff.getNewValue() != null) {
	list.add(0, event.diff.getNewValue());
	}
	});

	final IObservableList l = ELEMENT_CONTAINER__CHILDREN.observe(element);
	l.addListChangeListener(event -> event.diff.accept(new ListDiffVisitor() {

	@Override
	public void handleRemove(int index, Object element) {
	list.remove(element);
	}

	@Override
	public void handleMove(int oldIndex, int newIndex, Object element) {
	if (list.get(0) instanceof MExpression) {
	oldIndex += 1;
	newIndex += 1;
	}
	list.move(oldIndex, newIndex);
	}

	@Override
	public void handleAdd(int index, Object element) {
	list.add(element);
	}
	}));
	list.addAll(l);

	return list;
	}

	@Override
	public String getLabel(Object element) {
	final MMenu menu = (MMenu) element;
	if (menu.getParent() == null) {
	final EObject o = (EObject) element;
	if (o.eContainer() instanceof MWindow) {
	return Messages.MenuEditor_MainMenu;
	} else if (menu.getTags().contains(VMenuEditor.VIEW_MENU_TAG)) {
	return Messages.MenuEditor_Label_ViewMenu;
	}
	} else if (menu.getTags().contains(VMenuEditor.VIEW_MENU_TAG)) {
	return Messages.MenuEditor_Label_ViewMenu;
	}
	return Messages.MenuEditor_Label;
	}

	@Override
	public String getDetailLabel(Object element) {
	return getLocalizedLabel((MUILabel) element);
	}

	@Override
	public FeaturePath[] getLabelProperties() {
	return new FeaturePath[] { FeaturePath.fromList(UiPackageImpl.Literals.UI_LABEL__LABEL),
	FeaturePath.fromList(UiPackageImpl.Literals.UI_LABEL__ICON_URI),
	FeaturePath.fromList(UiPackageImpl.Literals.UI_ELEMENT__TO_BE_RENDERED) };
	}

	protected void handleAdd(EClass eClass, boolean separator) {
	final MMenuElement eObject = (MMenuElement) EcoreUtil.create(eClass);
	setElementId(eObject);
	final Command cmd = AddCommand.create(getEditingDomain(), getMaster().getValue(),
	UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN, eObject);

	if (cmd.canExecute()) {
	getEditingDomain().getCommandStack().execute(cmd);
	if (!separator) {
	getEditor().setSelection(eObject);
	}
	}
	}

	@Override
	public List<Action> getActions(Object element) {
	final ArrayList<Action> l = new ArrayList<>(super.getActions(element));
	l.addAll(actions);
	if (((MUIElement) getMaster().getValue()).getVisibleWhen() == null) {
	l.add(addExpression);
	}
	return l;
	}
	}