| /******************************************************************************* |
| * Copyright (c) 2001, 2008 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.wst.xsd.ui.internal.editor; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.GraphicalEditPart; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.wst.xsd.ui.internal.adapters.XSDAttributeDeclarationAdapter; |
| import org.eclipse.wst.xsd.ui.internal.adapters.XSDElementDeclarationAdapter; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.IKeyboardDrag; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.editpolicies.KeyBoardAccessibilityEditPolicy; |
| import org.eclipse.wst.xsd.ui.internal.commands.BaseDragAndDropCommand; |
| import org.eclipse.wst.xsd.ui.internal.commands.XSDAttributeDragAndDropCommand; |
| import org.eclipse.wst.xsd.ui.internal.commands.XSDElementDragAndDropCommand; |
| import org.eclipse.wst.xsd.ui.internal.design.editparts.XSDBaseFieldEditPart; |
| import org.eclipse.xsd.XSDWildcard; |
| |
| public class KeyboardDragImpl implements IKeyboardDrag |
| { |
| public void performKeyboardDrag(GraphicalEditPart movingElement, int direction) |
| { |
| KeyBoardAccessibilityEditPolicy policy = (KeyBoardAccessibilityEditPolicy) movingElement.getEditPolicy(KeyBoardAccessibilityEditPolicy.KEY); |
| |
| EditPart rightElement = policy.getRelativeEditPart(movingElement, direction); |
| policy = (KeyBoardAccessibilityEditPolicy) rightElement.getEditPolicy(KeyBoardAccessibilityEditPolicy.KEY); |
| EditPart leftElement = (policy != null) ? policy.getRelativeEditPart(rightElement, direction) : null; |
| |
| // TODO: add support for extenders |
| if (!(movingElement instanceof XSDBaseFieldEditPart)) return; |
| |
| XSDBaseFieldEditPart movingField = (XSDBaseFieldEditPart) movingElement; |
| XSDBaseFieldEditPart leftField = (XSDBaseFieldEditPart) leftElement; |
| XSDBaseFieldEditPart rightField = (XSDBaseFieldEditPart) rightElement; |
| |
| Object movingObject = movingField.getModel(); |
| |
| BaseDragAndDropCommand command = null; |
| if (movingObject instanceof XSDElementDeclarationAdapter || movingObject instanceof XSDWildcard) |
| { |
| command = new XSDElementDragAndDropCommand(movingField, leftField, rightField, direction); |
| } |
| else if (movingObject instanceof XSDAttributeDeclarationAdapter) |
| { |
| command = new XSDAttributeDragAndDropCommand(movingField, leftField, rightField, direction); |
| } |
| |
| if (command != null && command.canExecute()) |
| { |
| command.execute(); |
| // This is to reselect the moved item |
| try |
| { |
| IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor(); |
| if (editor != null && editor.getAdapter(ISelectionProvider.class) != null) |
| { |
| ISelectionProvider provider = (ISelectionProvider) editor.getAdapter(ISelectionProvider.class); |
| if (provider != null) |
| { |
| provider.setSelection(new StructuredSelection(movingElement.getModel())); |
| } |
| } |
| } |
| catch (Exception e) |
| { |
| |
| } |
| } |
| } |
| } |