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

 /*******************************************************************************
  * 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
  * Steven Spungin <steven@spungin.tv> - Bug 424730, Bug 437951, Ongoing Maintenance
  * Olivier Prouvost <olivier@opcoach.com> - Bug 472658
  ******************************************************************************/
 package org.eclipse.e4.tools.emf.ui.internal.common.component;

 import javax.inject.Inject;

 import org.eclipse.core.databinding.Binding;
 import org.eclipse.core.databinding.UpdateValueStrategy;
 import org.eclipse.core.databinding.observable.list.IObservableList;
 import org.eclipse.core.databinding.observable.list.WritableList;
 import org.eclipse.core.databinding.observable.value.IObservableValue;
 import org.eclipse.core.databinding.property.list.IListProperty;
 import org.eclipse.core.databinding.property.value.IValueProperty;
 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.ContributionURIValidator;
 import org.eclipse.e4.tools.emf.ui.common.IContributionClassCreator;
 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.ModelEditor;
 import org.eclipse.e4.tools.emf.ui.internal.common.VirtualEntry;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory.TextPasteHandler;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.ContributionClassDialog;
 import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.PartIconDialogEditor;
 import org.eclipse.e4.tools.emf.ui.internal.common.objectdata.ObjectViewer;
 import org.eclipse.e4.tools.emf.ui.internal.common.uistructure.UIViewer;
 import org.eclipse.e4.ui.model.application.MContribution;
 import org.eclipse.e4.ui.model.application.commands.impl.CommandsPackageImpl;
 import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
 import org.eclipse.e4.ui.model.application.ui.MUILabel;
 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
 import org.eclipse.e4.ui.model.application.ui.basic.impl.BasicPackageImpl;
 import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
 import org.eclipse.e4.ui.model.application.ui.menu.MMenuFactory;
 import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
 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.edit.EMFEditProperties;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.edit.command.SetCommand;
 import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
 import org.eclipse.jface.databinding.swt.WidgetProperties;
 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.Link;
 import org.eclipse.swt.widgets.Text;

 public class PartEditor extends AbstractComponentEditor {

 	private Composite composite;
 	private EMFDataBindingContext context;

 	private final IListProperty PART__MENUS = EMFProperties.list(BasicPackageImpl.Literals.PART__MENUS);
 	private final IListProperty HANDLER_CONTAINER__HANDLERS = EMFProperties
 			.list(CommandsPackageImpl.Literals.HANDLER_CONTAINER__HANDLERS);
 	private final IValueProperty PART__TOOLBAR = EMFProperties.value(BasicPackageImpl.Literals.PART__TOOLBAR);
 	private Button createRemoveToolBar;
 	private StackLayout stackLayout;

 	@Inject
 	@Optional
 	private IProject project;

 	@Inject
 	IEclipseContext eclipseContext;

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

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

 	@Override
 	public String getLabel(Object element) {
 		if (element == BasicPackageImpl.Literals.INPUT_PART) {
 			return Messages.PartEditor_InputPart;
 		}
 		return Messages.PartEditor_Label;
 	}

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

 	@Override
 	public Composite doGetEditor(Composite parent, Object object) {
 		if (composite == null) {
 			context = new EMFDataBindingContext();
 			if (getEditor().isModelFragment()) {
 				composite = new Composite(parent, SWT.NONE);
 				stackLayout = new StackLayout();
 				composite.setLayout(stackLayout);
 				createForm(composite, context, getMaster(), false);
 				createForm(composite, context, getMaster(), true);
 			} else {
 				composite = createForm(parent, context, getMaster(), false);
 			}
 		}

 		if (getEditor().isModelFragment()) {
 			Control topControl;
 			if (Util.isImport((EObject) object)) {
 				topControl = composite.getChildren()[1];
 			} else {
 				topControl = composite.getChildren()[0];
 			}

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

 		if (createRemoveToolBar != null) {
 			createRemoveToolBar.setSelection(((MPart) object).getToolbar() != null);
 		}

 		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, IObservableValue master,
 			boolean isImport) {
 		final CTabFolder folder = new CTabFolder(parent, SWT.BOTTOM);

 		CTabItem item = new CTabItem(folder, SWT.BORDER);
 		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));
 		ControlFactory.createTextField(parent, Messages.PartEditor_LabelLabel, master, context, textProp,
 				EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__LABEL));
 		ControlFactory.createTextField(parent, Messages.ModelTooling_UIElement_AccessibilityPhrase, master, context,
 				textProp,
 				EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__ACCESSIBILITY_PHRASE));
 		ControlFactory.createTextField(parent, Messages.PartEditor_Tooltip, master, context, textProp,
 				EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__TOOLTIP));

 		// ------------------------------------------------------------
 		{
 			final Label l = new Label(parent, SWT.NONE);
 			l.setText(Messages.PartEditor_IconURI);
 			l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
 			l.setToolTipText(Messages.PartEditor_IconURI_Tooltip);

 			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 PartIconDialogEditor dialog = new PartIconDialogEditor(b.getShell(), eclipseContext, project,
 							getEditingDomain(), (MPart) getMaster().getValue(), Messages);
 					dialog.open();
 				}
 			});
 		}

 		// ------------------------------------------------------------
 		final Link lnk;
 		{
 			final IContributionClassCreator c = getEditor().getContributionCreator(BasicPackageImpl.Literals.PART);
 			if (project != null && c != null) {
 				lnk = new Link(parent, SWT.NONE);
 				lnk.setText("<A>" + Messages.PartEditor_ClassURI + "</A>"); //$NON-NLS-1$//$NON-NLS-2$
 				lnk.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
 				lnk.addSelectionListener(new SelectionAdapter() {
 					@Override
 					public void widgetSelected(SelectionEvent e) {
 						c.createOpen((MContribution) getMaster().getValue(), getEditingDomain(), project,
 								lnk.getShell());
 					}
 				});
 			} else {
 				// Dispose the lnk widget, which is unused in this else branch
 				// and screws up the layout: see https://bugs.eclipse.org/421369
 				lnk = null;

 				final Label l = new Label(parent, SWT.NONE);
 				l.setText(Messages.PartEditor_ClassURI);
 				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));
 			t.addModifyListener(e -> {
 				// lnk might be disposed if else branch above taken
 				if (lnk != null) {
 					lnk.setToolTipText(((Text) e.getSource()).getText());
 				}
 			});
 			final Binding binding = context.bindValue(
 					textProp.observeDelayed(200, t),
 					EMFEditProperties.value(getEditingDomain(),
 							ApplicationPackageImpl.Literals.CONTRIBUTION__CONTRIBUTION_URI).observeDetail(master),
 					new UpdateValueStrategy().setAfterConvertValidator(new ContributionURIValidator()),
 					new UpdateValueStrategy());
 			Util.addDecoration(t, binding);

 			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 ContributionClassDialog dialog = new ContributionClassDialog(b.getShell(), eclipseContext,
 							getEditingDomain(), (MContribution) getMaster().getValue(),
 							ApplicationPackageImpl.Literals.CONTRIBUTION__CONTRIBUTION_URI, Messages);
 					dialog.open();
 				}
 			});
 		}

 		// ------------------------------------------------------------
 		ControlFactory.createTextField(parent, Messages.PartEditor_ContainerData, master, context, textProp,
 				EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__CONTAINER_DATA));

 		createSubformElements(parent, context, master);

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

 			createRemoveToolBar = new Button(parent, SWT.CHECK);
 			createRemoveToolBar.addSelectionListener(new SelectionAdapter() {
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					final MPart window = (MPart) getMaster().getValue();
 					if (window.getToolbar() == null) {
 						addToolBar();
 					} else {
 						removeToolBar();
 					}
 				}
 			});
 			createRemoveToolBar.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false, 2, 1));
 		}

 		ControlFactory.createCheckBox(parent, Messages.PartEditor_Closeable, Messages.PartEditor_Closeable_Tooltip,
 				getMaster(), context, WidgetProperties.selection(),
 				EMFEditProperties.value(getEditingDomain(), BasicPackageImpl.Literals.PART__CLOSEABLE));

 		// ------------------------------------------------------------
 		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));

 		ControlFactory.createBindingContextWiget(parent, Messages, this, Messages.PartEditor_BindingContexts);
 		ControlFactory.createMapProperties(parent, Messages, this, Messages.ModelTooling_Contribution_PersistedState,
 				ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__PERSISTED_STATE, VERTICAL_LIST_WIDGET_INDENT);
 		ControlFactory.createMapProperties(parent, Messages, this, Messages.ModelTooling_Context_Properties,
 				UiPackageImpl.Literals.CONTEXT__PROPERTIES, VERTICAL_LIST_WIDGET_INDENT);

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

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

 		ControlFactory.createStringListWidget(parent, Messages, this, Messages.ModelTooling_Context_Variables,
 				Messages.ModelTooling_Context_Variables_Tooltip, UiPackageImpl.Literals.CONTEXT__VARIABLES,
 				VERTICAL_LIST_WIDGET_INDENT);
 		ControlFactory.createStringListWidget(parent, Messages, this, Messages.CategoryEditor_Tags,
 				ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__TAGS, VERTICAL_LIST_WIDGET_INDENT);

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

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

 		folder.setSelection(0);

 		return folder;
 	}

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

 		final ObjectViewer objectViewer = new ObjectViewer();
 		final TreeViewer viewer = objectViewer.createViewer(container,
 				ApplicationPackageImpl.Literals.CONTRIBUTION__OBJECT, getMaster(), resourcePool, Messages);
 		viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
 	}

 	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));
 	}

 	private void addToolBar() {
 		final MToolBar menu = MMenuFactory.INSTANCE.createToolBar();
 		setElementId(menu);

 		final Command cmd = SetCommand.create(getEditingDomain(), getMaster().getValue(),
 				BasicPackageImpl.Literals.PART__TOOLBAR, menu);
 		if (cmd.canExecute()) {
 			getEditingDomain().getCommandStack().execute(cmd);
 		}
 	}

 	private void removeToolBar() {
 		final Command cmd = SetCommand.create(getEditingDomain(), getMaster().getValue(),
 				BasicPackageImpl.Literals.PART__TOOLBAR, null);
 		if (cmd.canExecute()) {
 			getEditingDomain().getCommandStack().execute(cmd);
 		}
 	}

 	protected void createSubformElements(Composite parent, EMFDataBindingContext context, IObservableValue master) {

 	}

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

 		if (getEditor().isModelFragment() && Util.isImport((EObject) element)) {
 			return list;
 		}

 		list.add(new VirtualEntry<Object>(ModelEditor.VIRTUAL_PART_MENU, PART__MENUS, element,
 				Messages.PartEditor_Menus) {

 			@Override
 			protected boolean accepted(Object o) {
 				return true;
 			}

 		});

 		list.add(new VirtualEntry<Object>(ModelEditor.VIRTUAL_HANDLER, HANDLER_CONTAINER__HANDLERS, element,
 				Messages.PartEditor_Handlers) {

 			@Override
 			protected boolean accepted(Object o) {
 				return true;
 			}

 		});

 		final MPart window = (MPart) element;
 		if (window.getToolbar() != null) {
 			list.add(0, window.getToolbar());
 		}

 		PART__TOOLBAR.observe(element).addValueChangeListener(event -> {
 			if (event.diff.getOldValue() != null) {
 				list.remove(event.diff.getOldValue());
 				if (getMaster().getValue() == element && !createRemoveToolBar.isDisposed()) {
 					createRemoveToolBar.setSelection(false);
 				}

 			}

 			if (event.diff.getNewValue() != null) {
 				list.add(0, event.diff.getNewValue());
 				if (getMaster().getValue() == element && !createRemoveToolBar.isDisposed()) {
 					createRemoveToolBar.setSelection(true);
 				}
 			}
 		});

 		return list;
 	}

 	@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) };
 	}
 }
	/*******************************************************************************
	* 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
	* Steven Spungin <steven@spungin.tv> - Bug 424730, Bug 437951, Ongoing Maintenance
	* Olivier Prouvost <olivier@opcoach.com> - Bug 472658
	******************************************************************************/
	package org.eclipse.e4.tools.emf.ui.internal.common.component;

	import javax.inject.Inject;

	import org.eclipse.core.databinding.Binding;
	import org.eclipse.core.databinding.UpdateValueStrategy;
	import org.eclipse.core.databinding.observable.list.IObservableList;
	import org.eclipse.core.databinding.observable.list.WritableList;
	import org.eclipse.core.databinding.observable.value.IObservableValue;
	import org.eclipse.core.databinding.property.list.IListProperty;
	import org.eclipse.core.databinding.property.value.IValueProperty;
	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.ContributionURIValidator;
	import org.eclipse.e4.tools.emf.ui.common.IContributionClassCreator;
	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.ModelEditor;
	import org.eclipse.e4.tools.emf.ui.internal.common.VirtualEntry;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory.TextPasteHandler;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.ContributionClassDialog;
	import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.PartIconDialogEditor;
	import org.eclipse.e4.tools.emf.ui.internal.common.objectdata.ObjectViewer;
	import org.eclipse.e4.tools.emf.ui.internal.common.uistructure.UIViewer;
	import org.eclipse.e4.ui.model.application.MContribution;
	import org.eclipse.e4.ui.model.application.commands.impl.CommandsPackageImpl;
	import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
	import org.eclipse.e4.ui.model.application.ui.MUILabel;
	import org.eclipse.e4.ui.model.application.ui.basic.MPart;
	import org.eclipse.e4.ui.model.application.ui.basic.impl.BasicPackageImpl;
	import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
	import org.eclipse.e4.ui.model.application.ui.menu.MMenuFactory;
	import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
	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.edit.EMFEditProperties;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.edit.command.SetCommand;
	import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
	import org.eclipse.jface.databinding.swt.WidgetProperties;
	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.Link;
	import org.eclipse.swt.widgets.Text;

	public class PartEditor extends AbstractComponentEditor {

	private Composite composite;
	private EMFDataBindingContext context;

	private final IListProperty PART__MENUS = EMFProperties.list(BasicPackageImpl.Literals.PART__MENUS);
	private final IListProperty HANDLER_CONTAINER__HANDLERS = EMFProperties
	.list(CommandsPackageImpl.Literals.HANDLER_CONTAINER__HANDLERS);
	private final IValueProperty PART__TOOLBAR = EMFProperties.value(BasicPackageImpl.Literals.PART__TOOLBAR);
	private Button createRemoveToolBar;
	private StackLayout stackLayout;

	@Inject
	@Optional
	private IProject project;

	@Inject
	IEclipseContext eclipseContext;

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

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

	@Override
	public String getLabel(Object element) {
	if (element == BasicPackageImpl.Literals.INPUT_PART) {
	return Messages.PartEditor_InputPart;
	}
	return Messages.PartEditor_Label;
	}

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

	@Override
	public Composite doGetEditor(Composite parent, Object object) {
	if (composite == null) {
	context = new EMFDataBindingContext();
	if (getEditor().isModelFragment()) {
	composite = new Composite(parent, SWT.NONE);
	stackLayout = new StackLayout();
	composite.setLayout(stackLayout);
	createForm(composite, context, getMaster(), false);
	createForm(composite, context, getMaster(), true);
	} else {
	composite = createForm(parent, context, getMaster(), false);
	}
	}

	if (getEditor().isModelFragment()) {
	Control topControl;
	if (Util.isImport((EObject) object)) {
	topControl = composite.getChildren()[1];
	} else {
	topControl = composite.getChildren()[0];
	}

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

	if (createRemoveToolBar != null) {
	createRemoveToolBar.setSelection(((MPart) object).getToolbar() != null);
	}

	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, IObservableValue master,
	boolean isImport) {
	final CTabFolder folder = new CTabFolder(parent, SWT.BOTTOM);

	CTabItem item = new CTabItem(folder, SWT.BORDER);
	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));
	ControlFactory.createTextField(parent, Messages.PartEditor_LabelLabel, master, context, textProp,
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__LABEL));
	ControlFactory.createTextField(parent, Messages.ModelTooling_UIElement_AccessibilityPhrase, master, context,
	textProp,
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__ACCESSIBILITY_PHRASE));
	ControlFactory.createTextField(parent, Messages.PartEditor_Tooltip, master, context, textProp,
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_LABEL__TOOLTIP));

	// ------------------------------------------------------------
	{
	final Label l = new Label(parent, SWT.NONE);
	l.setText(Messages.PartEditor_IconURI);
	l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
	l.setToolTipText(Messages.PartEditor_IconURI_Tooltip);

	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 PartIconDialogEditor dialog = new PartIconDialogEditor(b.getShell(), eclipseContext, project,
	getEditingDomain(), (MPart) getMaster().getValue(), Messages);
	dialog.open();
	}
	});
	}

	// ------------------------------------------------------------
	final Link lnk;
	{
	final IContributionClassCreator c = getEditor().getContributionCreator(BasicPackageImpl.Literals.PART);
	if (project != null && c != null) {
	lnk = new Link(parent, SWT.NONE);
	lnk.setText("<A>" + Messages.PartEditor_ClassURI + "</A>"); //$NON-NLS-1$//$NON-NLS-2$
	lnk.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
	lnk.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	c.createOpen((MContribution) getMaster().getValue(), getEditingDomain(), project,
	lnk.getShell());
	}
	});
	} else {
	// Dispose the lnk widget, which is unused in this else branch
	// and screws up the layout: see https://bugs.eclipse.org/421369
	lnk = null;

	final Label l = new Label(parent, SWT.NONE);
	l.setText(Messages.PartEditor_ClassURI);
	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));
	t.addModifyListener(e -> {
	// lnk might be disposed if else branch above taken
	if (lnk != null) {
	lnk.setToolTipText(((Text) e.getSource()).getText());
	}
	});
	final Binding binding = context.bindValue(
	textProp.observeDelayed(200, t),
	EMFEditProperties.value(getEditingDomain(),
	ApplicationPackageImpl.Literals.CONTRIBUTION__CONTRIBUTION_URI).observeDetail(master),
	new UpdateValueStrategy().setAfterConvertValidator(new ContributionURIValidator()),
	new UpdateValueStrategy());
	Util.addDecoration(t, binding);

	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 ContributionClassDialog dialog = new ContributionClassDialog(b.getShell(), eclipseContext,
	getEditingDomain(), (MContribution) getMaster().getValue(),
	ApplicationPackageImpl.Literals.CONTRIBUTION__CONTRIBUTION_URI, Messages);
	dialog.open();
	}
	});
	}

	// ------------------------------------------------------------
	ControlFactory.createTextField(parent, Messages.PartEditor_ContainerData, master, context, textProp,
	EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__CONTAINER_DATA));

	createSubformElements(parent, context, master);

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

	createRemoveToolBar = new Button(parent, SWT.CHECK);
	createRemoveToolBar.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	final MPart window = (MPart) getMaster().getValue();
	if (window.getToolbar() == null) {
	addToolBar();
	} else {
	removeToolBar();
	}
	}
	});
	createRemoveToolBar.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false, 2, 1));
	}

	ControlFactory.createCheckBox(parent, Messages.PartEditor_Closeable, Messages.PartEditor_Closeable_Tooltip,
	getMaster(), context, WidgetProperties.selection(),
	EMFEditProperties.value(getEditingDomain(), BasicPackageImpl.Literals.PART__CLOSEABLE));

	// ------------------------------------------------------------
	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));

	ControlFactory.createBindingContextWiget(parent, Messages, this, Messages.PartEditor_BindingContexts);
	ControlFactory.createMapProperties(parent, Messages, this, Messages.ModelTooling_Contribution_PersistedState,
	ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__PERSISTED_STATE, VERTICAL_LIST_WIDGET_INDENT);
	ControlFactory.createMapProperties(parent, Messages, this, Messages.ModelTooling_Context_Properties,
	UiPackageImpl.Literals.CONTEXT__PROPERTIES, VERTICAL_LIST_WIDGET_INDENT);

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

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

	ControlFactory.createStringListWidget(parent, Messages, this, Messages.ModelTooling_Context_Variables,
	Messages.ModelTooling_Context_Variables_Tooltip, UiPackageImpl.Literals.CONTEXT__VARIABLES,
	VERTICAL_LIST_WIDGET_INDENT);
	ControlFactory.createStringListWidget(parent, Messages, this, Messages.CategoryEditor_Tags,
	ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__TAGS, VERTICAL_LIST_WIDGET_INDENT);

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

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

	folder.setSelection(0);

	return folder;
	}

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

	final ObjectViewer objectViewer = new ObjectViewer();
	final TreeViewer viewer = objectViewer.createViewer(container,
	ApplicationPackageImpl.Literals.CONTRIBUTION__OBJECT, getMaster(), resourcePool, Messages);
	viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
	}

	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));
	}

	private void addToolBar() {
	final MToolBar menu = MMenuFactory.INSTANCE.createToolBar();
	setElementId(menu);

	final Command cmd = SetCommand.create(getEditingDomain(), getMaster().getValue(),
	BasicPackageImpl.Literals.PART__TOOLBAR, menu);
	if (cmd.canExecute()) {
	getEditingDomain().getCommandStack().execute(cmd);
	}
	}

	private void removeToolBar() {
	final Command cmd = SetCommand.create(getEditingDomain(), getMaster().getValue(),
	BasicPackageImpl.Literals.PART__TOOLBAR, null);
	if (cmd.canExecute()) {
	getEditingDomain().getCommandStack().execute(cmd);
	}
	}

	protected void createSubformElements(Composite parent, EMFDataBindingContext context, IObservableValue master) {

	}

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

	if (getEditor().isModelFragment() && Util.isImport((EObject) element)) {
	return list;
	}

	list.add(new VirtualEntry<Object>(ModelEditor.VIRTUAL_PART_MENU, PART__MENUS, element,
	Messages.PartEditor_Menus) {

	@Override
	protected boolean accepted(Object o) {
	return true;
	}

	});

	list.add(new VirtualEntry<Object>(ModelEditor.VIRTUAL_HANDLER, HANDLER_CONTAINER__HANDLERS, element,
	Messages.PartEditor_Handlers) {

	@Override
	protected boolean accepted(Object o) {
	return true;
	}

	});

	final MPart window = (MPart) element;
	if (window.getToolbar() != null) {
	list.add(0, window.getToolbar());
	}

	PART__TOOLBAR.observe(element).addValueChangeListener(event -> {
	if (event.diff.getOldValue() != null) {
	list.remove(event.diff.getOldValue());
	if (getMaster().getValue() == element && !createRemoveToolBar.isDisposed()) {
	createRemoveToolBar.setSelection(false);
	}

	}

	if (event.diff.getNewValue() != null) {
	list.add(0, event.diff.getNewValue());
	if (getMaster().getValue() == element && !createRemoveToolBar.isDisposed()) {
	createRemoveToolBar.setSelection(true);
	}
	}
	});

	return list;
	}

	@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) };
	}
	}