| /******************************************************************************* |
| * Copyright (c) 2009, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Matthew Hall - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.databinding.typed; |
| |
| import org.eclipse.core.databinding.property.Properties; |
| import org.eclipse.core.databinding.property.list.IListProperty; |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| import org.eclipse.core.runtime.IAdapterManager; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IEditorReference; |
| import org.eclipse.ui.IPageService; |
| import org.eclipse.ui.IPartService; |
| import org.eclipse.ui.ISelectionService; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPartReference; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.internal.databinding.ActivePageProperty; |
| import org.eclipse.ui.internal.databinding.ActivePartProperty; |
| import org.eclipse.ui.internal.databinding.ActiveWindowProperty; |
| import org.eclipse.ui.internal.databinding.AdaptedValueProperty; |
| import org.eclipse.ui.internal.databinding.EditorInputProperty; |
| import org.eclipse.ui.internal.databinding.MultiSelectionProperty; |
| import org.eclipse.ui.internal.databinding.SingleSelectionProperty; |
| |
| /** |
| * Factory methods for creating properties for the Workbench. |
| * |
| * <p> |
| * Examples: |
| * </p> |
| * |
| * <pre> |
| * WorkbenchProperties.singleSelection().observe(getSite().getService(ISelectionService.class)) |
| * </pre> |
| * |
| * <p> |
| * This class is a new version of the deprecated class with the same name in the |
| * parent package. The difference is that this class returns typed property |
| * objects. This class is located in its own package to be able to coexist with |
| * the old version while having the same name. |
| * |
| * @since 3.117 |
| */ |
| public class WorkbenchProperties { |
| /** |
| * Returns a value property which observes the source object as the adapted |
| * type, using the platform adapter manager. If the source is of the target |
| * type, or can be adapted to the target type, this is used as the value of |
| * property, otherwise <code>null</code>. |
| * |
| * @param adapter the adapter class |
| * @return a value property which observes the source object as the adapted |
| * type. |
| */ |
| public static <S, T> IValueProperty<S, T> adaptedValue(Class<T> adapter) { |
| return adaptedValue(adapter, Platform.getAdapterManager()); |
| } |
| |
| /** |
| * Returns a value property which observes the source object as the adapted |
| * type. If the source object is of the target type, or can be adapted to the |
| * target type, this is used as the value of property, otherwise |
| * <code>null</code>. |
| * |
| * @param adapter the adapter class |
| * @param adapterManager the adapter manager used to adapt source objects |
| * @return a value property which observes the source object as the adapted |
| * type. |
| */ |
| public static <S, T> IValueProperty<S, T> adaptedValue(Class<T> adapter, |
| final IAdapterManager adapterManager) { |
| return new AdaptedValueProperty<>(adapter, adapterManager); |
| } |
| |
| /** |
| * Returns a property for observing the first element of a structured selection |
| * as exposed by {@link ISelectionService}. |
| * |
| * @return an observable value |
| */ |
| public static <S extends ISelectionService, T> IValueProperty<S, T> singleSelection() { |
| return singleSelection(null, false); |
| } |
| |
| /** |
| * Returns a property for observing the first element of a structured selection |
| * as exposed by {@link ISelectionService}. |
| * |
| * @param partId the part id, or <code>null</code> if the selection can |
| * be from any part |
| * @param postSelection <code>true</code> if the selection should be delayed for |
| * keyboard-triggered selections |
| * |
| * @return an observable value |
| */ |
| @SuppressWarnings("unchecked") |
| public static <S extends ISelectionService, T> IValueProperty<S, T> singleSelection(String partId, |
| boolean postSelection) { |
| return (IValueProperty<S, T>) singleSelection(partId, postSelection, Object.class); |
| } |
| |
| /** |
| * Returns a property for observing the first element of a structured selection |
| * as exposed by {@link ISelectionService}. |
| * |
| * @param partId the part id, or <code>null</code> if the selection can |
| * be from any part |
| * @param postSelection <code>true</code> if the selection should be delayed for |
| * keyboard-triggered selections |
| * @param valueType value type of the selection |
| * |
| * @return an observable value |
| */ |
| public static <S extends ISelectionService, T> IValueProperty<S, T> singleSelection(String partId, |
| boolean postSelection, Class<T> valueType) { |
| return new SingleSelectionProperty<>(partId, postSelection, valueType); |
| } |
| |
| /** |
| * Returns a property for observing the elements of a structured selection as |
| * exposed by {@link ISelectionService}. |
| * |
| * @return an observable value |
| */ |
| @SuppressWarnings("unchecked") |
| public static <S extends ISelectionService, E> IListProperty<S, E> multipleSelection() { |
| return (IListProperty<S, E>) multipleSelection(Object.class); |
| } |
| |
| /** |
| * Returns a property for observing the elements of a structured selection as |
| * exposed by {@link ISelectionService}. |
| * |
| * @param elementType element type of the selection |
| * |
| * @return an observable value |
| */ |
| public static <S extends ISelectionService, E> IListProperty<S, E> multipleSelection(Class<E> elementType) { |
| return multipleSelection(null, false, elementType); |
| } |
| |
| |
| /** |
| * Returns a property for observing the elements of a structured selection as |
| * exposed by {@link ISelectionService}. |
| * |
| * @param partId the part id, or <code>null</code> if the selection can |
| * be from any part |
| * @param postSelection <code>true</code> if the selection should be delayed for |
| * keyboard-triggered selections |
| * |
| * @return an observable value |
| */ |
| @SuppressWarnings("unchecked") |
| public static <S extends ISelectionService, E> IListProperty<S, E> multipleSelection(String partId, |
| boolean postSelection) { |
| return (IListProperty<S, E>) multipleSelection(partId, postSelection, Object.class); |
| } |
| |
| /** |
| * Returns a property for observing the elements of a structured selection as |
| * exposed by {@link ISelectionService}. |
| * |
| * @param partId the part id, or <code>null</code> if the selection can |
| * be from any part |
| * @param postSelection <code>true</code> if the selection should be delayed for |
| * keyboard-triggered selections |
| * @param elementType type of selection elements |
| * |
| * @return an observable value |
| */ |
| public static <S extends ISelectionService, E> IListProperty<S, E> multipleSelection(String partId, |
| boolean postSelection, Class<E> elementType) { |
| return new MultiSelectionProperty<>(partId, postSelection, elementType); |
| } |
| |
| /** |
| * Returns a property for observing the active window of a workbench. The value |
| * is null if there is no active window. |
| * |
| * @return the property |
| * @see IWorkbench#getActiveWorkbenchWindow |
| * @see IWorkbench#addWindowListener |
| * @since 3.120 |
| */ |
| public static <S extends IWorkbench> IValueProperty<S, IWorkbenchWindow> activeWindow() { |
| return new ActiveWindowProperty<>(); |
| } |
| |
| /** |
| * Returns a property for observing the active page of a workbench window. The |
| * value is null if there is no active page. |
| * |
| * @return the property |
| * @see IWorkbenchWindow#getActivePage |
| * @see IWorkbenchWindow#addPageListener |
| * @since 3.120 |
| */ |
| public static <S extends IPageService> IValueProperty<S, IWorkbenchPage> activePage() { |
| return new ActivePageProperty<>(); |
| } |
| |
| /** |
| * Returns a property for observing the active part reference of a part service. |
| * The value is null if there is no active part. |
| * |
| * @return the property |
| * @see IPartService#getActivePart |
| * @see IPartService#addPartListener |
| * @since 3.120 |
| */ |
| public static <S extends IPartService> IValueProperty<S, IWorkbenchPartReference> activePartReference() { |
| return new ActivePartProperty<>(); |
| } |
| |
| /** |
| * Returns a property for observing the active part reference of a part service, |
| * casted to {@link IEditorReference}. The value is null if the active part is |
| * not an {@code IEditorReference}. Note that this value is different from |
| * {@link IWorkbenchPage#getActiveEditor}. |
| * |
| * @return the property |
| * @see IPartService#getActivePart |
| * @see IPartService#addPartListener |
| * @since 3.120 |
| */ |
| public static <S extends IPartService> IValueProperty<S, IEditorReference> activePartAsEditorReference() { |
| return WorkbenchProperties.<S>activePartReference().value(Properties.convertedValue(IEditorReference.class, |
| part -> part instanceof IEditorReference ? (IEditorReference) part : null)); |
| } |
| |
| /** |
| * Returns a property for observing the editor input an editor part. |
| * |
| * @return the property |
| * @see IEditorPart#getEditorInput |
| * @see IEditorPart#addPropertyListener |
| * @since 3.120 |
| */ |
| public static <S extends IEditorPart> IValueProperty<S, IEditorInput> editorInput() { |
| return new EditorInputProperty<>(); |
| } |
| } |