| /******************************************************************************* |
| * Copyright (c) 2010 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 |
| ******************************************************************************/ |
| package org.eclipse.e4.tools.emf.ui.internal.common.component.virtual; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.list.WritableList; |
| import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.observable.value.IValueChangeListener; |
| import org.eclipse.core.databinding.observable.value.ValueChangeEvent; |
| import org.eclipse.core.databinding.observable.value.WritableValue; |
| import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor; |
| import org.eclipse.e4.tools.emf.ui.internal.Messages; |
| import org.eclipse.e4.tools.emf.ui.internal.ObservableColumnLabelProvider; |
| import org.eclipse.e4.tools.emf.ui.internal.common.ComponentLabelProvider; |
| import org.eclipse.e4.tools.emf.ui.internal.common.ModelEditor; |
| import org.eclipse.e4.tools.emf.ui.internal.common.VirtualEntry; |
| import org.eclipse.e4.ui.model.application.commands.MBindingContext; |
| import org.eclipse.e4.ui.model.application.commands.MBindingTable; |
| import org.eclipse.e4.ui.model.application.commands.MBindingTableContainer; |
| import org.eclipse.e4.ui.model.application.commands.MCommandsFactory; |
| import org.eclipse.e4.ui.model.application.commands.impl.CommandsPackageImpl; |
| import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl; |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.command.CompoundCommand; |
| import org.eclipse.emf.databinding.EMFDataBindingContext; |
| import org.eclipse.emf.databinding.EMFProperties; |
| import org.eclipse.emf.databinding.IEMFListProperty; |
| import org.eclipse.emf.databinding.IEMFValueProperty; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.command.AddCommand; |
| import org.eclipse.emf.edit.command.MoveCommand; |
| import org.eclipse.emf.edit.command.RemoveCommand; |
| import org.eclipse.emf.edit.command.SetCommand; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.jface.databinding.viewers.ObservableListContentProvider; |
| import org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider; |
| import org.eclipse.jface.databinding.viewers.TreeStructureAdvisor; |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.ColumnViewerEditor; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy; |
| import org.eclipse.jface.viewers.EditingSupport; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TextCellEditor; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.TreeViewerColumn; |
| import org.eclipse.jface.viewers.TreeViewerEditor; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.MouseEvent; |
| 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.Display; |
| import org.eclipse.swt.widgets.Label; |
| |
| public class VBindingTableEditor extends AbstractComponentEditor { |
| private Composite composite; |
| private EMFDataBindingContext context; |
| private ModelEditor editor; |
| private TableViewer bindingViewer; |
| private TreeViewer contextsViewer; |
| |
| public VBindingTableEditor(EditingDomain editingDomain, ModelEditor editor) { |
| super(editingDomain); |
| this.editor = editor; |
| } |
| |
| @Override |
| public Image getImage(Object element, Display display) { |
| return null; |
| } |
| |
| @Override |
| public String getLabel(Object element) { |
| return Messages.VBindingTableEditor_Label; |
| } |
| |
| @Override |
| public String getDetailLabel(Object element) { |
| return null; |
| } |
| |
| @Override |
| public String getDescription(Object element) { |
| return Messages.VBindingTableEditor_Description; |
| } |
| |
| @Override |
| public Composite getEditor(Composite parent, Object object) { |
| if (composite == null) { |
| context = new EMFDataBindingContext(); |
| composite = createForm(parent, context, getMaster()); |
| } |
| VirtualEntry<?> o = (VirtualEntry<?>) object; |
| bindingViewer.setInput(o.getList()); |
| getMaster().setValue(o.getOriginalParent()); |
| return composite; |
| } |
| |
| private Composite createForm(Composite parent, EMFDataBindingContext context, WritableValue master) { |
| parent = new Composite(parent, SWT.NONE); |
| parent.setLayout(new GridLayout(3, false)); |
| |
| { |
| Label l = new Label(parent, SWT.NONE); |
| l.setText(Messages.VBindingTableEditor_Contexts); |
| l.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING)); |
| |
| contextsViewer = new TreeViewer(parent); |
| ObservableListTreeContentProvider pv = new ObservableListTreeContentProvider(new ObservableFactoryImpl(), new TreeStructureAdvisorImpl()); |
| contextsViewer.setContentProvider(pv); |
| contextsViewer.getTree().setHeaderVisible(true); |
| GridData gd = new GridData(GridData.FILL_HORIZONTAL); |
| gd.heightHint = 200; |
| contextsViewer.getControl().setLayoutData(gd); |
| |
| final WritableList list = new WritableList(); |
| |
| IEMFValueProperty listProp = EMFProperties.value(CommandsPackageImpl.Literals.BINDING_TABLE_CONTAINER__ROOT_CONTEXT); |
| IObservableValue val = listProp.observeDetail(getMaster()); |
| val.addValueChangeListener(new IValueChangeListener() { |
| |
| public void handleValueChange(ValueChangeEvent event) { |
| list.clear(); |
| MBindingContext ctx = (MBindingContext) event.getObservableValue().getValue(); |
| if( ctx != null ) { |
| list.add(ctx); |
| } |
| } |
| }); |
| |
| |
| contextsViewer.setInput(list); |
| |
| |
| { |
| IEMFValueProperty prop = EMFProperties.value(CommandsPackageImpl.Literals.BINDING_CONTEXT__NAME); |
| |
| TreeViewerColumn column = new TreeViewerColumn(contextsViewer, SWT.NONE); |
| column.getColumn().setText(Messages.VBindingTableEditor_Name); |
| column.getColumn().setWidth(200); |
| column.setLabelProvider(new ObservableColumnLabelProvider<MBindingContext>(prop.observeDetail(pv.getKnownElements()))); |
| column.setEditingSupport(new EditingSupport(contextsViewer) { |
| private TextCellEditor editor = new TextCellEditor(contextsViewer.getTree()); |
| |
| @Override |
| protected void setValue(Object element, Object value) { |
| Command cmd = SetCommand.create(getEditingDomain(), element, CommandsPackageImpl.Literals.BINDING_CONTEXT__NAME, value); |
| if( cmd.canExecute() ) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| } |
| } |
| |
| @Override |
| protected Object getValue(Object element) { |
| MBindingContext ctx = (MBindingContext) element; |
| return ctx.getName() != null ? ctx.getName() : ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| protected CellEditor getCellEditor(Object element) { |
| return editor; |
| } |
| |
| @Override |
| protected boolean canEdit(Object element) { |
| return true; |
| } |
| }); |
| } |
| |
| { |
| IEMFValueProperty prop = EMFProperties.value(CommandsPackageImpl.Literals.BINDING_CONTEXT__DESCRIPTION); |
| |
| TreeViewerColumn column = new TreeViewerColumn(contextsViewer, SWT.NONE); |
| column.getColumn().setText(Messages.VBindingTableEditor_LabelDescription); |
| column.getColumn().setWidth(200); |
| column.setLabelProvider(new ObservableColumnLabelProvider<MBindingContext>(prop.observeDetail(pv.getKnownElements()))); |
| column.setEditingSupport(new EditingSupport(contextsViewer) { |
| private TextCellEditor editor = new TextCellEditor(contextsViewer.getTree()); |
| |
| @Override |
| protected void setValue(Object element, Object value) { |
| Command cmd = SetCommand.create(getEditingDomain(), element, CommandsPackageImpl.Literals.BINDING_CONTEXT__DESCRIPTION, value); |
| if( cmd.canExecute() ) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| } |
| } |
| |
| @Override |
| protected Object getValue(Object element) { |
| MBindingContext ctx = (MBindingContext) element; |
| return ctx.getDescription() != null ? ctx.getDescription() : ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| protected CellEditor getCellEditor(Object element) { |
| return editor; |
| } |
| |
| @Override |
| protected boolean canEdit(Object element) { |
| return true; |
| } |
| }); |
| } |
| |
| { |
| IEMFValueProperty prop = EMFProperties.value(ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID); |
| |
| TreeViewerColumn column = new TreeViewerColumn(contextsViewer, SWT.NONE); |
| column.getColumn().setText(Messages.VBindingTableEditor_Id); |
| column.getColumn().setWidth(200); |
| column.setLabelProvider(new ObservableColumnLabelProvider<MBindingContext>(prop.observeDetail(pv.getKnownElements()))); |
| column.setEditingSupport(new EditingSupport(contextsViewer) { |
| private TextCellEditor editor = new TextCellEditor(contextsViewer.getTree()); |
| |
| @Override |
| protected void setValue(Object element, Object value) { |
| Command cmd = SetCommand.create(getEditingDomain(), element, ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID, value); |
| if( cmd.canExecute() ) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| } |
| } |
| |
| @Override |
| protected Object getValue(Object element) { |
| MBindingContext ctx = (MBindingContext) element; |
| return ctx.getElementId() != null ? ctx.getElementId() : ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| protected CellEditor getCellEditor(Object element) { |
| return editor; |
| } |
| |
| @Override |
| protected boolean canEdit(Object element) { |
| return true; |
| } |
| }); |
| } |
| |
| ColumnViewerEditorActivationStrategy editorActivationStrategy = new ColumnViewerEditorActivationStrategy(contextsViewer) { |
| @Override |
| protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event) { |
| boolean singleSelect = ((IStructuredSelection)contextsViewer.getSelection()).size() == 1; |
| boolean isLeftDoubleMouseSelect = event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION && ((MouseEvent)event.sourceEvent).button == 1; |
| |
| return singleSelect && (isLeftDoubleMouseSelect |
| || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC |
| || event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL); |
| } |
| }; |
| TreeViewerEditor.create(contextsViewer, editorActivationStrategy, ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR | ColumnViewerEditor.KEEP_EDITOR_ON_DOUBLE_CLICK); |
| |
| |
| Composite buttonComp = new Composite(parent, SWT.NONE); |
| buttonComp.setLayoutData(new GridData(GridData.FILL, GridData.END, false, false)); |
| GridLayout gl = new GridLayout(); |
| gl.marginLeft = 0; |
| gl.marginRight = 0; |
| gl.marginWidth = 0; |
| gl.marginHeight = 0; |
| buttonComp.setLayout(gl); |
| |
| Button b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText(Messages.VBindingTableEditor_Up); |
| b.setImage(getImage(b.getDisplay(), ARROW_UP)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| |
| b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText(Messages.VBindingTableEditor_Down); |
| b.setImage(getImage(b.getDisplay(), ARROW_DOWN)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| |
| b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText(Messages.VBindingTableEditor_Add); |
| b.setImage(getImage(b.getDisplay(), TABLE_ADD_IMAGE)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| b.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| IStructuredSelection s = (IStructuredSelection) contextsViewer.getSelection(); |
| MBindingContext context = MCommandsFactory.INSTANCE.createBindingContext(); |
| MBindingContext parentContext = null; |
| |
| if( ! s.isEmpty() ) { |
| parentContext = (MBindingContext) s.getFirstElement(); |
| Command cmd = AddCommand.create(getEditingDomain(), parentContext, CommandsPackageImpl.Literals.BINDING_CONTEXT__CHILDREN, context); |
| |
| if( cmd.canExecute() ) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| contextsViewer.setSelection(new StructuredSelection(context)); |
| } |
| } else if( s.isEmpty() && ((MBindingTableContainer)getMaster().getValue()).getRootContext() == null ) { |
| Command cmd = SetCommand.create(getEditingDomain(), getMaster().getValue(), CommandsPackageImpl.Literals.BINDING_TABLE_CONTAINER__ROOT_CONTEXT, context); |
| if( cmd.canExecute() ) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| contextsViewer.setSelection(new StructuredSelection(context)); |
| } |
| } |
| |
| |
| } |
| }); |
| |
| b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText(Messages.VBindingTableEditor_Remove); |
| b.setImage(getImage(b.getDisplay(), TABLE_DELETE_IMAGE)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| b.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| IStructuredSelection s = (IStructuredSelection) contextsViewer.getSelection(); |
| if( ! s.isEmpty() ) { |
| List<Command> commands = new ArrayList<Command>(); |
| |
| for( Object o : s.toArray() ) { |
| MBindingContext ctx = (MBindingContext) o; |
| EObject owner = ((EObject)ctx).eContainer(); |
| if( owner instanceof MBindingTableContainer ) { |
| Command cmd = SetCommand.create(getEditingDomain(), owner, CommandsPackageImpl.Literals.BINDING_TABLE_CONTAINER__ROOT_CONTEXT, null); |
| if( cmd.canExecute() ) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| return; |
| } |
| } else { |
| commands.add(RemoveCommand.create(getEditingDomain(), owner, CommandsPackageImpl.Literals.BINDING_CONTEXT__CHILDREN, ctx)); |
| } |
| } |
| |
| CompoundCommand cmd = new CompoundCommand(commands); |
| if( cmd.canExecute() ) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| } |
| } |
| } |
| }); |
| } |
| |
| { |
| Label l = new Label(parent, SWT.NONE); |
| l.setText("Binding Tables"); |
| l.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING)); |
| |
| bindingViewer = new TableViewer(parent); |
| ObservableListContentProvider cp = new ObservableListContentProvider(); |
| bindingViewer.setContentProvider(cp); |
| GridData gd = new GridData(GridData.FILL_HORIZONTAL); |
| gd.heightHint = 180; |
| bindingViewer.getControl().setLayoutData(gd); |
| bindingViewer.setLabelProvider(new ComponentLabelProvider(editor)); |
| |
| Composite buttonComp = new Composite(parent, SWT.NONE); |
| buttonComp.setLayoutData(new GridData(GridData.FILL, GridData.END, false, false)); |
| GridLayout gl = new GridLayout(); |
| gl.marginLeft = 0; |
| gl.marginRight = 0; |
| gl.marginWidth = 0; |
| gl.marginHeight = 0; |
| buttonComp.setLayout(gl); |
| |
| Button b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText("Up"); |
| b.setImage(getImage(b.getDisplay(), ARROW_UP)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| b.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| if (!bindingViewer.getSelection().isEmpty()) { |
| IStructuredSelection s = (IStructuredSelection) bindingViewer.getSelection(); |
| if (s.size() == 1) { |
| Object obj = s.getFirstElement(); |
| MBindingTableContainer container = (MBindingTableContainer) getMaster().getValue(); |
| int idx = container.getBindingTables().indexOf(obj) - 1; |
| if (idx >= 0) { |
| Command cmd = MoveCommand.create(getEditingDomain(), getMaster().getValue(), CommandsPackageImpl.Literals.BINDING_TABLE_CONTAINER__BINDING_TABLES, obj, idx); |
| |
| if (cmd.canExecute()) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| bindingViewer.setSelection(new StructuredSelection(obj)); |
| } |
| } |
| |
| } |
| } |
| } |
| }); |
| |
| b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText("Down"); |
| b.setImage(getImage(b.getDisplay(), ARROW_DOWN)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| b.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| if (!bindingViewer.getSelection().isEmpty()) { |
| IStructuredSelection s = (IStructuredSelection) bindingViewer.getSelection(); |
| if (s.size() == 1) { |
| Object obj = s.getFirstElement(); |
| MBindingTableContainer container = (MBindingTableContainer) getMaster().getValue(); |
| int idx = container.getBindingTables().indexOf(obj) + 1; |
| if (idx < container.getBindingTables().size()) { |
| Command cmd = MoveCommand.create(getEditingDomain(), getMaster().getValue(), CommandsPackageImpl.Literals.BINDING_TABLE_CONTAINER__BINDING_TABLES, obj, idx); |
| |
| if (cmd.canExecute()) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| bindingViewer.setSelection(new StructuredSelection(obj)); |
| } |
| } |
| |
| } |
| } |
| } |
| }); |
| |
| b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText("Add ..."); |
| b.setImage(getImage(b.getDisplay(), TABLE_ADD_IMAGE)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| b.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| MBindingTable command = MCommandsFactory.INSTANCE.createBindingTable(); |
| Command cmd = AddCommand.create(getEditingDomain(), getMaster().getValue(), CommandsPackageImpl.Literals.BINDING_TABLE_CONTAINER__BINDING_TABLES, command); |
| |
| if (cmd.canExecute()) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| editor.setSelection(command); |
| } |
| } |
| }); |
| |
| b = new Button(buttonComp, SWT.PUSH | SWT.FLAT); |
| b.setText("Remove"); |
| b.setImage(getImage(b.getDisplay(), TABLE_DELETE_IMAGE)); |
| b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); |
| b.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| if (!bindingViewer.getSelection().isEmpty()) { |
| List<?> commands = ((IStructuredSelection) bindingViewer.getSelection()).toList(); |
| Command cmd = RemoveCommand.create(getEditingDomain(), getMaster().getValue(), CommandsPackageImpl.Literals.BINDING_TABLE_CONTAINER__BINDING_TABLES, commands); |
| if (cmd.canExecute()) { |
| getEditingDomain().getCommandStack().execute(cmd); |
| } |
| } |
| } |
| }); |
| } |
| |
| return parent; |
| } |
| |
| @Override |
| public IObservableList getChildList(Object element) { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| private class ObservableFactoryImpl implements IObservableFactory { |
| private IEMFListProperty prop = EMFProperties.list(CommandsPackageImpl.Literals.BINDING_CONTEXT__CHILDREN); |
| |
| public IObservable createObservable(Object target) { |
| if( target instanceof IObservableList ) { |
| return (IObservable) target; |
| } |
| return prop.observe(target); |
| } |
| } |
| |
| private class TreeStructureAdvisorImpl extends TreeStructureAdvisor { |
| |
| } |
| } |
