| /******************************************************************************* |
| * Copyright (c) 2011-2016 EclipseSource Muenchen GmbH 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: |
| * Eugen Neufeld - initial API and implementation |
| * Johannes Faltermeier - refactorings |
| ******************************************************************************/ |
| package org.eclipse.emf.ecp.view.spi.table.swt; |
| |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.inject.Inject; |
| |
| import org.eclipse.core.databinding.Binding; |
| import org.eclipse.core.databinding.observable.IObserving; |
| import org.eclipse.core.databinding.observable.Observables; |
| import org.eclipse.core.databinding.observable.list.IListChangeListener; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.list.ListChangeEvent; |
| import org.eclipse.core.databinding.observable.map.IObservableMap; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.command.CompoundCommand; |
| import org.eclipse.emf.common.util.Diagnostic; |
| import org.eclipse.emf.databinding.EMFDataBindingContext; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EReference; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecore.EStructuralFeature.Setting; |
| import org.eclipse.emf.ecore.InternalEObject; |
| import org.eclipse.emf.ecp.edit.spi.DeleteService; |
| import org.eclipse.emf.ecp.edit.spi.EMFDeleteServiceImpl; |
| import org.eclipse.emf.ecp.edit.spi.swt.table.ECPCellEditor; |
| import org.eclipse.emf.ecp.edit.spi.swt.table.ECPCellEditorComparator; |
| import org.eclipse.emf.ecp.edit.spi.swt.table.ECPCustomUpdateCellEditor; |
| import org.eclipse.emf.ecp.edit.spi.swt.table.ECPElementAwareCellEditor; |
| import org.eclipse.emf.ecp.edit.spi.swt.util.ECPDialogExecutor; |
| import org.eclipse.emf.ecp.view.internal.table.swt.CellReadOnlyTesterHelper; |
| import org.eclipse.emf.ecp.view.internal.table.swt.MessageKeys; |
| import org.eclipse.emf.ecp.view.internal.table.swt.TableConfigurationHelper; |
| import org.eclipse.emf.ecp.view.spi.context.ViewModelContext; |
| import org.eclipse.emf.ecp.view.spi.core.swt.AbstractControlSWTRenderer; |
| import org.eclipse.emf.ecp.view.spi.model.DiagnosticMessageExtractor; |
| import org.eclipse.emf.ecp.view.spi.model.VDiagnostic; |
| import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference; |
| import org.eclipse.emf.ecp.view.spi.model.reporting.StatusReport; |
| import org.eclipse.emf.ecp.view.spi.provider.ECPTooltipModifierHelper; |
| import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption; |
| import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException; |
| import org.eclipse.emf.ecp.view.spi.swt.reporting.RenderingFailedReport; |
| import org.eclipse.emf.ecp.view.spi.table.model.VTableControl; |
| import org.eclipse.emf.ecp.view.spi.table.model.VTableDomainModelReference; |
| import org.eclipse.emf.ecp.view.spi.util.swt.ImageRegistryService; |
| import org.eclipse.emf.ecp.view.template.model.VTStyleProperty; |
| import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider; |
| import org.eclipse.emf.ecp.view.template.style.background.model.VTBackgroundFactory; |
| import org.eclipse.emf.ecp.view.template.style.background.model.VTBackgroundStyleProperty; |
| import org.eclipse.emf.ecp.view.template.style.fontProperties.model.VTFontPropertiesFactory; |
| import org.eclipse.emf.ecp.view.template.style.fontProperties.model.VTFontPropertiesStyleProperty; |
| import org.eclipse.emf.ecp.view.template.style.tableStyleProperty.model.VTTableStyleProperty; |
| import org.eclipse.emf.ecp.view.template.style.tableStyleProperty.model.VTTableStylePropertyFactory; |
| import org.eclipse.emf.ecp.view.template.style.tableValidation.model.VTTableValidationFactory; |
| import org.eclipse.emf.ecp.view.template.style.tableValidation.model.VTTableValidationStyleProperty; |
| 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.domain.EditingDomain; |
| import org.eclipse.emf.edit.ui.dnd.EditingDomainViewerDropAdapter; |
| import org.eclipse.emf.edit.ui.dnd.LocalTransfer; |
| import org.eclipse.emf.edit.ui.dnd.ViewerDragAdapter; |
| import org.eclipse.emfforms.common.Optional; |
| import org.eclipse.emfforms.spi.common.report.AbstractReport; |
| import org.eclipse.emfforms.spi.common.report.ReportService; |
| import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException; |
| import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport; |
| import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding; |
| import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF; |
| import org.eclipse.emfforms.spi.core.services.editsupport.EMFFormsEditSupport; |
| import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider; |
| import org.eclipse.emfforms.spi.core.services.label.NoLabelFoundException; |
| import org.eclipse.emfforms.spi.localization.LocalizationServiceHelper; |
| import org.eclipse.emfforms.spi.swt.core.SWTDataElementIdHelper; |
| import org.eclipse.emfforms.spi.swt.core.layout.EMFFormsSWTLayoutUtil; |
| import org.eclipse.emfforms.spi.swt.core.layout.GridDescriptionFactory; |
| import org.eclipse.emfforms.spi.swt.core.layout.SWTGridCell; |
| import org.eclipse.emfforms.spi.swt.core.layout.SWTGridDescription; |
| import org.eclipse.emfforms.spi.swt.table.AbstractTableViewerComposite; |
| import org.eclipse.emfforms.spi.swt.table.ButtonBarBuilder; |
| import org.eclipse.emfforms.spi.swt.table.CellLabelProviderFactory; |
| import org.eclipse.emfforms.spi.swt.table.DNDProvider; |
| import org.eclipse.emfforms.spi.swt.table.EditingSupportCreator; |
| import org.eclipse.emfforms.spi.swt.table.TableControl; |
| import org.eclipse.emfforms.spi.swt.table.TableViewerComparator; |
| import org.eclipse.emfforms.spi.swt.table.TableViewerCompositeBuilder; |
| import org.eclipse.emfforms.spi.swt.table.TableViewerCreator; |
| import org.eclipse.emfforms.spi.swt.table.TableViewerFactory; |
| import org.eclipse.emfforms.spi.swt.table.TableViewerSWTBuilder; |
| import org.eclipse.jface.databinding.swt.WidgetProperties; |
| import org.eclipse.jface.databinding.viewers.ObservableListContentProvider; |
| import org.eclipse.jface.databinding.viewers.ObservableMapCellLabelProvider; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.IDialogLabelKeys; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.layout.GridDataFactory; |
| import org.eclipse.jface.layout.GridLayoutFactory; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.viewers.AbstractTableViewer; |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.CellLabelProvider; |
| import org.eclipse.jface.viewers.ColumnViewer; |
| import org.eclipse.jface.viewers.ColumnViewerEditor; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationListener; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy; |
| import org.eclipse.jface.viewers.ColumnViewerEditorDeactivationEvent; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.EditingSupport; |
| import org.eclipse.jface.viewers.IColorProvider; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TableViewerEditor; |
| import org.eclipse.jface.viewers.TableViewerFocusCellManager; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerCell; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.DragSourceListener; |
| import org.eclipse.swt.dnd.DropTargetEvent; |
| import org.eclipse.swt.dnd.DropTargetListener; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.events.ControlAdapter; |
| import org.eclipse.swt.events.ControlEvent; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Item; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.ScrollBar; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.Widget; |
| import org.osgi.framework.FrameworkUtil; |
| |
| /** |
| * SWT Renderer for Table Control. |
| * |
| * @author Eugen Neufeld |
| * @author Johannes Faltermeier |
| * |
| */ |
| public class TableControlSWTRenderer extends AbstractControlSWTRenderer<VTableControl> { |
| /** |
| * @since 1.10 |
| */ |
| protected static final String FIXED_COLUMNS = "org.eclipse.rap.rwt.fixedColumns"; //$NON-NLS-1$ |
| /** |
| * @since 1.10 |
| */ |
| protected static final String TABLE_CUSTOM_VARIANT = "org_eclipse_emf_ecp_control_table"; //$NON-NLS-1$ |
| |
| private static final String ICON_ADD = "icons/add.png"; //$NON-NLS-1$ |
| private static final String ICON_DELETE = "icons/delete.png"; //$NON-NLS-1$ |
| |
| private final Map<Integer, ECPCellEditorComparator> columnIndexToComparatorMap = new LinkedHashMap<Integer, ECPCellEditorComparator>(); |
| |
| private final ImageRegistryService imageRegistryService; |
| private final EMFDataBindingContext viewModelDBC; |
| private final EMFFormsEditSupport emfFormsEditSupport; |
| |
| private SWTGridDescription rendererGridDescription; |
| |
| private AbstractTableViewer tableViewer; |
| |
| private Label validationIcon; |
| private boolean showValidationSummaryTooltip; |
| private Button addButton; |
| private Button removeButton; |
| |
| private Optional<Integer> minimumHeight; |
| private Optional<Integer> maximumHeight; |
| private TableControlSWTRendererButtonBarBuilder tableControlSWTRendererButtonBarBuilder; |
| private AbstractTableViewerComposite tableViewerComposite; |
| private int regularColumnsStartIndex; |
| private boolean isDisposing; |
| |
| /** |
| * Default constructor. |
| * |
| * @param vElement the view model element to be rendered |
| * @param viewContext the view context |
| * @param emfFormsDatabinding The {@link EMFFormsDatabinding} |
| * @param emfFormsLabelProvider The {@link EMFFormsLabelProvider} |
| * @param reportService The {@link ReportService} |
| * @param vtViewTemplateProvider The {@link VTViewTemplateProvider} |
| * @param imageRegistryService The {@link ImageRegistryService} |
| * @param emfFormsEditSupport The {@link EMFFormsEditSupport} |
| * @since 1.8 |
| */ |
| @Inject |
| // BEGIN COMPLEX CODE |
| public TableControlSWTRenderer( |
| VTableControl vElement, |
| ViewModelContext viewContext, |
| ReportService reportService, |
| EMFFormsDatabindingEMF emfFormsDatabinding, |
| EMFFormsLabelProvider emfFormsLabelProvider, |
| VTViewTemplateProvider vtViewTemplateProvider, |
| ImageRegistryService imageRegistryService, |
| EMFFormsEditSupport emfFormsEditSupport) { |
| // END COMPLEX CODE |
| |
| super(vElement, viewContext, reportService, emfFormsDatabinding, emfFormsLabelProvider, vtViewTemplateProvider); |
| this.imageRegistryService = imageRegistryService; |
| this.emfFormsEditSupport = emfFormsEditSupport; |
| viewModelDBC = new EMFDataBindingContext(); |
| } |
| |
| @Override |
| public SWTGridDescription getGridDescription(SWTGridDescription gridDescription) { |
| if (rendererGridDescription == null) { |
| rendererGridDescription = GridDescriptionFactory.INSTANCE.createSimpleGrid(1, 1, this); |
| } |
| return rendererGridDescription; |
| } |
| |
| @Override |
| protected EMFFormsDatabindingEMF getEMFFormsDatabinding() { |
| return (EMFFormsDatabindingEMF) super.getEMFFormsDatabinding(); |
| } |
| |
| @Override |
| protected Control renderControl(SWTGridCell gridCell, final Composite parent) throws NoRendererFoundException, |
| NoPropertyDescriptorFoundExeption { |
| try { |
| /* get the list-setting which is displayed */ |
| final VDomainModelReference dmrToCheck = getDMRToMultiReference(); |
| |
| /* get the observable list */ |
| final IObservableList list = getEMFFormsDatabinding().getObservableList(dmrToCheck, |
| getViewModelContext().getDomainModel()); |
| |
| /* get the label text/tooltip */ |
| final IObservableValue labelText = getLabelText(dmrToCheck, false); |
| final IObservableValue labelTooltipText = getLabelTooltipText(dmrToCheck, false); |
| |
| /* content provider */ |
| final ObservableListContentProvider cp = new ObservableListContentProvider(); |
| |
| final ECPTableViewerComparator comparator = new ECPTableViewerComparator(); |
| |
| /* render */ |
| final TableViewerCompositeBuilder compositeBuilder = new TableControlSWTRendererCompositeBuilder(); |
| tableControlSWTRendererButtonBarBuilder = new TableControlSWTRendererButtonBarBuilder(); |
| |
| final TableViewerSWTBuilder tableViewerSWTBuilder = getTableViewerSWTBuilder(parent, list, labelText, |
| labelTooltipText, compositeBuilder, cp, comparator, tableControlSWTRendererButtonBarBuilder); |
| |
| regularColumnsStartIndex = 0; |
| |
| /* validation column */ |
| if (!getVElement().isReadonly()) { |
| regularColumnsStartIndex++; |
| createFixedValidationStatusColumn(tableViewerSWTBuilder); |
| } |
| regularColumnsStartIndex += addAdditionalColumns(tableViewerSWTBuilder); |
| addColumns(tableViewerSWTBuilder, EReference.class.cast(list.getElementType()).getEReferenceType(), cp); |
| |
| initCompositeHeight(); |
| |
| tableViewerComposite = tableViewerSWTBuilder.create(); |
| |
| /* setup selection changes listener */ |
| tableViewerComposite.getTableViewer().addSelectionChangedListener(new ViewerSelectionChangedListener()); |
| tableViewerComposite.getTableViewer().addDoubleClickListener(new DoubleClickListener()); |
| |
| /* setup sorting via column selection */ |
| setupSorting(comparator, regularColumnsStartIndex, tableViewerComposite); |
| |
| /* get validation icon */ |
| setupValidation(tableViewerComposite); |
| |
| /* create the table viewer editor */ |
| |
| setTableViewer(tableViewerComposite.getTableViewer()); |
| |
| SWTDataElementIdHelper.setElementIdDataForVControl(tableViewerComposite, getVElement(), |
| getViewModelContext()); |
| |
| // FIXME doesn't work with table with panel |
| // setLayoutData(compositeBuilder.getViewerComposite()); |
| GridData.class |
| .cast(compositeBuilder.getViewerComposite().getLayoutData()).heightHint = getTableHeightHint(); |
| |
| addRelayoutListenerIfNeeded(list, compositeBuilder.getViewerComposite()); |
| |
| addResizeListener(tableViewerComposite.getTableViewer().getControl(), regularColumnsStartIndex); |
| |
| return tableViewerComposite; |
| |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new RenderingFailedReport(ex)); |
| final Label errorLabel = new Label(parent, SWT.NONE); |
| errorLabel.setText(ex.getMessage()); |
| return errorLabel; |
| } |
| } |
| |
| /** |
| * Creates a new {@link TableViewerSWTBuilder}. |
| * |
| * @param parent the parent {@link Composite} |
| * @param list the input object |
| * @param labelText the title |
| * @param labelTooltipText the tooltip |
| * @param compositeBuilder the {@link TableViewerCompositeBuilder} |
| * @param cp the content provider |
| * @param comparator the {@link ViewerComparator} |
| * @param tableControlSWTRendererButtonBarBuilder2 the {@link ButtonBarBuilder} |
| * @return the {@link TableViewerSWTBuilder} |
| * @since 1.10 |
| * |
| */ |
| // CHECKSTYLE.OFF: ParameterNumber |
| protected TableViewerSWTBuilder getTableViewerSWTBuilder(Composite parent, IObservableList list, |
| IObservableValue labelText, IObservableValue labelTooltipText, TableViewerCompositeBuilder compositeBuilder, |
| ObservableListContentProvider cp, ECPTableViewerComparator comparator, |
| TableControlSWTRendererButtonBarBuilder tableControlSWTRendererButtonBarBuilder2) { |
| // CHECKSTYLE.ON: ParameterNumber |
| return TableViewerFactory.fillDefaults(parent, SWT.NONE, list, labelText, labelTooltipText) |
| .customizeCompositeStructure(compositeBuilder) |
| .customizeButtons(tableControlSWTRendererButtonBarBuilder) |
| .customizeTableViewerCreation(getTableViewerCreator()) |
| .customizeContentProvider(cp) |
| .customizeComparator(comparator) |
| .customizeDragAndDrop(new TableControlSWTRendererDragAndDrop()); |
| |
| } |
| |
| /** |
| * Creates a new instance of the {@link TableViewerCreator} to be used. |
| * |
| * @return the {@link TableViewerCreator} |
| * @since 1.10 |
| */ |
| protected TableViewerCreator<? extends AbstractTableViewer> getTableViewerCreator() { |
| return new TableControlSWTRendererTableViewerCreator(); |
| } |
| |
| /** |
| * Override this method to add additional static columns at the beginning of the table. |
| * |
| * @param tableViewerSWTBuilder the builder |
| * @return the number of columns added |
| * @since 1.9 |
| */ |
| protected int addAdditionalColumns(TableViewerSWTBuilder tableViewerSWTBuilder) { |
| return 0; |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently selected in the receiver, or -1 if no item is |
| * selected. |
| * |
| * @return the index of the selected item |
| * @since 1.10 |
| */ |
| protected int getSelectionIndex() { |
| return ((TableViewer) tableViewer).getTable().getSelectionIndex(); |
| } |
| |
| /** |
| * Returns an array of {@link Item items} which are the columns in the table. |
| * |
| * @return the columns of the table |
| * @since 1.10 |
| */ |
| protected Item[] getColumns() { |
| return ((TableViewer) tableViewer).getTable().getColumns(); |
| } |
| |
| /** |
| * Returns the receiver's horizontal scroll bar if it has one, and null if it does not. |
| * |
| * @return the horizontal scroll bar (or null) |
| * @since 1.10 |
| */ |
| protected ScrollBar getHorizontalBar() { |
| return ((TableViewer) tableViewer).getTable().getHorizontalBar(); |
| } |
| |
| /** |
| * Returns the receiver's vertical scroll bar if it has one, and null if it does not. |
| * |
| * @return the vertical scroll bar (or null) |
| * @since 1.10 |
| */ |
| protected ScrollBar getVerticalBar() { |
| return ((TableViewer) tableViewer).getTable().getVerticalBar(); |
| } |
| |
| private void addResizeListener(final Control control, final int regularColumnsStartIndex) { |
| final ControlAdapter controlAdapter = new ControlAdapter() { |
| @Override |
| public void controlResized(ControlEvent e) { |
| updateTableColumnWidths(control, regularColumnsStartIndex); |
| } |
| }; |
| control.addControlListener(controlAdapter); |
| |
| tableViewerComposite.addColumnListener(controlAdapter); |
| } |
| |
| private void updateTableColumnWidths(Control table, int regularColumnsStartIndex) { |
| if (isDisposing) { |
| return; |
| } |
| final VTableControl tableControl = getVElement(); |
| final Widget[] allColumns = tableViewerComposite.getColumns(); |
| for (int i = regularColumnsStartIndex; i < allColumns.length; i++) { |
| final Widget tableColumn = allColumns[i]; |
| final VDomainModelReference columnDMR = VTableDomainModelReference.class |
| .cast(tableControl.getDomainModelReference()).getColumnDomainModelReferences() |
| .get(i - regularColumnsStartIndex); |
| TableConfigurationHelper.updateWidthConfiguration(tableControl, columnDMR, tableColumn); |
| } |
| } |
| |
| private void initCompositeHeight() { |
| final VTTableStyleProperty styleProperty = getTableStyleProperty(); |
| minimumHeight = styleProperty.isSetMinimumHeight() ? Optional.of(styleProperty.getMinimumHeight()) |
| : Optional.<Integer> empty(); |
| maximumHeight = styleProperty.isSetMaximumHeight() ? Optional.of(styleProperty.getMaximumHeight()) |
| : Optional.<Integer> empty(); |
| } |
| |
| private void addRelayoutListenerIfNeeded(IObservableList list, final Composite composite) { |
| if (list == null) { |
| return; |
| } |
| |
| // relayout is only needed if min height != max height |
| if (!minimumHeight.isPresent() && !maximumHeight.isPresent()) { |
| return; |
| } |
| if (minimumHeight.isPresent() && maximumHeight.isPresent() && minimumHeight.get() == maximumHeight.get()) { |
| return; |
| } |
| |
| final GridData gridData = GridData.class.cast(composite.getLayoutData()); |
| list.addListChangeListener(new IListChangeListener() { |
| @Override |
| public void handleListChange(ListChangeEvent event) { |
| gridData.heightHint = getTableHeightHint(); |
| EMFFormsSWTLayoutUtil.adjustParentSize(composite); |
| } |
| }); |
| } |
| |
| /** |
| * Adds the table columns to the {@link TableViewerSWTBuilder}. |
| * |
| * @param tableViewerSWTBuilder the builder |
| * @param clazz the {@EClass} of the rendered object |
| * @param cp the content provider |
| * |
| */ |
| private void addColumns(TableViewerSWTBuilder tableViewerSWTBuilder, EClass clazz, |
| ObservableListContentProvider cp) { |
| InternalEObject tempInstance = null; |
| if (!clazz.isAbstract() && !clazz.isInterface()) { |
| tempInstance = getInstanceOf(clazz); |
| } |
| final VTableDomainModelReference tableDomainModelReference = VTableDomainModelReference.class |
| .cast(getVElement().getDomainModelReference()); |
| |
| /* regular columns */ |
| for (final VDomainModelReference dmr : tableDomainModelReference.getColumnDomainModelReferences()) { |
| try { |
| if (dmr == null) { |
| continue; |
| } |
| |
| final IObservableValue text = getLabelText(dmr, true); |
| final IObservableValue tooltip = getLabelTooltipText(dmr, true); |
| |
| final IValueProperty valueProperty = getEMFFormsDatabinding().getValueProperty(dmr, |
| getViewModelContext().getDomainModel()); |
| final EStructuralFeature eStructuralFeature = (EStructuralFeature) valueProperty.getValueType(); |
| |
| final IObservableMap observableMap = valueProperty.observeDetail(cp.getKnownElements()); |
| |
| final TableControlEditingSupportAndLabelProvider labelProvider = new TableControlEditingSupportAndLabelProvider( |
| tempInstance, eStructuralFeature, dmr, valueProperty, observableMap, |
| tableDomainModelReference.getColumnDomainModelReferences().indexOf(dmr)); |
| final EditingSupportCreator editingSupportCreator = TableConfigurationHelper |
| .isReadOnly(getVElement(), dmr) ? null : labelProvider; |
| |
| final Optional<Integer> weightConfig = TableConfigurationHelper.getColumnWeight(getVElement(), dmr); |
| final Optional<Integer> widthConfig = TableConfigurationHelper.getColumnWidth(getVElement(), dmr); |
| |
| int weight; |
| int minWidth; |
| if (weightConfig.isPresent()) { |
| minWidth = widthConfig.get(); |
| weight = weightConfig.get(); |
| } else { |
| // TODO ugly: we need this temporary cell editor so early just to get size information |
| final CellEditor tempCellEditor = createCellEditor(tempInstance, eStructuralFeature, |
| new Table(new Shell(), SWT.NONE)); |
| weight = ECPCellEditor.class.isInstance(tempCellEditor) |
| ? ECPCellEditor.class.cast(tempCellEditor).getColumnWidthWeight() : 100; |
| minWidth = ECPCellEditor.class.isInstance(tempCellEditor) |
| ? ECPCellEditor.class.cast(tempCellEditor).getMinWidth() : 10; |
| } |
| |
| // TODO: rewrite builder (ms) |
| tableViewerSWTBuilder.setData(AbstractTableViewerComposite.DMR, dmr); |
| tableViewerSWTBuilder.addColumn(true, false, SWT.NONE, weight, minWidth, text, tooltip, |
| labelProvider, editingSupportCreator, null); |
| |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new RenderingFailedReport(ex)); |
| continue; |
| } |
| } |
| |
| } |
| |
| private void setupValidation(final AbstractTableViewerComposite tableViewerComposite) { |
| if (tableViewerComposite.getValidationControls().isPresent()) { |
| final List<Control> validationControls = tableViewerComposite.getValidationControls().get(); |
| if (validationControls.size() == 1 && Label.class.isInstance(validationControls.get(0))) { |
| validationIcon = (Label) validationControls.get(0); |
| } |
| |
| final VTTableStyleProperty tableStyleProperty = getTableStyleProperty(); |
| showValidationSummaryTooltip = tableStyleProperty.isShowValidationSummaryTooltip(); |
| } |
| } |
| |
| private void setupSorting(final ECPTableViewerComparator comparator, int regularColumnsStartIndex, |
| final AbstractTableViewerComposite tableViewerComposite) { |
| final int length = tableViewerComposite.getColumns().length; |
| final List<Integer> sortableColumns = new ArrayList<Integer>(); |
| for (int i = 0; i < length; i++) { |
| if (i >= regularColumnsStartIndex) { |
| sortableColumns.add(i); |
| } |
| } |
| tableViewerComposite.setComparator(comparator, sortableColumns); |
| } |
| |
| private IObservableValue getLabelText(VDomainModelReference dmrToCheck, boolean forColumn) { |
| final EMFFormsLabelProvider labelService = getEMFFormsLabelProvider(); |
| if (forColumn) { |
| try { |
| return labelService.getDisplayName(dmrToCheck); |
| } catch (final NoLabelFoundException e) { |
| // FIXME Expectation? |
| getReportService().report(new RenderingFailedReport(e)); |
| return Observables.constantObservableValue(e.getMessage(), String.class); |
| } |
| } |
| switch (getVElement().getLabelAlignment()) { |
| case NONE: |
| return Observables.constantObservableValue("", String.class); //$NON-NLS-1$ |
| default: |
| try { |
| return labelService.getDisplayName(dmrToCheck, getViewModelContext().getDomainModel()); |
| } catch (final NoLabelFoundException e) { |
| // FIXME Expectation? |
| getReportService().report(new RenderingFailedReport(e)); |
| return Observables.constantObservableValue(e.getMessage(), String.class); |
| } |
| } |
| } |
| |
| private IObservableValue getLabelTooltipText(VDomainModelReference dmrToCheck, boolean forColumn) { |
| final EMFFormsLabelProvider labelService = getEMFFormsLabelProvider(); |
| try { |
| if (forColumn) { |
| return labelService.getDescription(dmrToCheck); |
| } |
| } catch (final NoLabelFoundException e) { |
| // FIXME Expectation? |
| getReportService().report(new RenderingFailedReport(e)); |
| return Observables.constantObservableValue(e.toString(), String.class); |
| } |
| switch (getVElement().getLabelAlignment()) { |
| case NONE: |
| return Observables.constantObservableValue("", String.class); //$NON-NLS-1$ |
| default: |
| try { |
| return labelService.getDescription(dmrToCheck, getViewModelContext().getDomainModel()); |
| } catch (final NoLabelFoundException e) { |
| // FIXME Expectation? |
| getReportService().report(new RenderingFailedReport(e)); |
| return Observables.constantObservableValue(e.toString(), String.class); |
| } |
| } |
| } |
| |
| /** |
| * @return the {@link VDomainModelReference} which ends at the table setting |
| * @since 1.11 |
| */ |
| protected VDomainModelReference getDMRToMultiReference() { |
| final VTableDomainModelReference tableDomainModelReference = (VTableDomainModelReference) getVElement() |
| .getDomainModelReference(); |
| final VDomainModelReference dmrToCheck = tableDomainModelReference.getDomainModelReference() == null |
| ? tableDomainModelReference |
| : tableDomainModelReference.getDomainModelReference(); |
| return dmrToCheck; |
| } |
| |
| /** |
| * Allows to add additional buttons to the button bar of the table control. |
| * <p> |
| * The default implementation does not add additional buttons. |
| * </p> |
| * |
| * @param buttonComposite the composite where the buttons are added |
| * @return the total number of buttons added |
| */ |
| protected int addButtonsToButtonBar(Composite buttonComposite) { |
| return 0; |
| } |
| |
| /** |
| * Creates and returns the composite which will be the parent for the table viewer. |
| * |
| * @param composite the parent composite including the title/button bar |
| * @return the parent for the table viewer |
| */ |
| protected Composite createControlComposite(Composite composite) { |
| final Composite controlComposite = new Composite(composite, SWT.NONE); |
| GridDataFactory.fillDefaults().grab(true, true).align(SWT.FILL, SWT.FILL).hint(1, getTableHeightHint()) |
| .applyTo(controlComposite); |
| GridLayoutFactory.fillDefaults().numColumns(1).applyTo(controlComposite); |
| return controlComposite; |
| } |
| |
| /** |
| * Returns the preferred height for the table. This will be passed to the layoutdata. |
| * |
| * @return the height in px |
| */ |
| protected int getTableHeightHint() { |
| /* if neither min nor max is set we use a fixed height */ |
| if (!minimumHeight.isPresent() && !maximumHeight.isPresent()) { |
| return 200; |
| } |
| |
| if (minimumHeight.isPresent() && maximumHeight.isPresent() && minimumHeight.get() == maximumHeight.get()) { |
| return minimumHeight.get(); |
| } |
| |
| final int requiredHeight = computeRequiredHeight(); |
| |
| if (minimumHeight.isPresent() && !maximumHeight.isPresent()) { |
| return requiredHeight < minimumHeight.get() ? minimumHeight.get() : requiredHeight; |
| } |
| |
| if (!minimumHeight.isPresent() && maximumHeight.isPresent()) { |
| return requiredHeight > maximumHeight.get() ? maximumHeight.get() : requiredHeight; |
| } |
| |
| if (requiredHeight < minimumHeight.get()) { |
| return minimumHeight.get(); |
| } |
| |
| if (requiredHeight > maximumHeight.get()) { |
| return maximumHeight.get(); |
| } |
| |
| return requiredHeight; |
| } |
| |
| private int computeRequiredHeight() { |
| if (tableViewer == null) { |
| return SWT.DEFAULT; |
| } |
| final TableControl table = tableViewerComposite.getTableControl(); |
| if (table == null) { |
| return SWT.DEFAULT; |
| } |
| if (table.isDisposed()) { |
| return SWT.DEFAULT; |
| } |
| final int itemHeight = table.getItemHeight(); |
| // show one empty row if table does not contain any items |
| final int itemCount = Math.max(table.getItemCount(), 1); |
| final int headerHeight = table.getHeaderVisible() ? table.getHeaderHeight() : 0; |
| // 4px needed as a buffer to avoid scrollbars |
| final int tableHeight = itemHeight * itemCount + headerHeight + 4; |
| return tableHeight; |
| } |
| |
| /** |
| * Returns the table viewer. |
| * |
| * @return the viewer |
| * @since 1.10 |
| */ |
| protected AbstractTableViewer getTableViewer() { |
| return tableViewer; |
| } |
| |
| /** |
| * Sets the table viewer. |
| * |
| * @param tableViewer the viewer |
| * @since 1.10 |
| */ |
| protected void setTableViewer(AbstractTableViewer tableViewer) { |
| this.tableViewer = tableViewer; |
| } |
| |
| // FIXME needed? |
| // /** |
| // * Applies the layout data to the given composite. |
| // * |
| // * @param composite the composite to which the layout data is applied |
| // * |
| // */ |
| // private void setLayoutData(Composite composite) { |
| // GridDataFactory.fillDefaults().grab(true, true).align(SWT.FILL, SWT.FILL).hint(1, getTableHeightHint()) |
| // .applyTo(composite); |
| // } |
| |
| /** |
| * This method gets called when the selection on the {@link TableViewer} (see {@link #getTableViewer()}) has |
| * changed. |
| * <p> |
| * If you override this method make sure to call super. |
| * </p> |
| * |
| * @param event the {@link SelectionChangedEvent} |
| */ |
| protected void viewerSelectionChanged(SelectionChangedEvent event) { |
| if (event.getSelection().isEmpty()) { |
| if (getRemoveButton() != null) { |
| getRemoveButton().setEnabled(false); |
| } |
| } else { |
| if (getRemoveButton() != null) { |
| getRemoveButton().setEnabled(true); |
| } |
| } |
| } |
| |
| private void createFixedValidationStatusColumn(TableViewerSWTBuilder tableViewerSWTBuilder) { |
| final VTTableValidationStyleProperty tableValidationStyleProperty = getTableValidationStyleProperty(); |
| final int columnWidth = tableValidationStyleProperty.getColumnWidth(); |
| final String columnName = tableValidationStyleProperty.getColumnName(); |
| final String imagePath = tableValidationStyleProperty.getImagePath(); |
| Image image = null; |
| if (imagePath != null && !imagePath.isEmpty()) { |
| try { |
| image = getImage(new File(imagePath).toURI().toURL()); |
| } catch (final MalformedURLException ex) { |
| getReportService().report(new AbstractReport(ex)); |
| } |
| } |
| |
| tableViewerSWTBuilder.addColumn( |
| true, |
| false, |
| SWT.NONE, |
| 0, |
| columnWidth, |
| columnName, |
| columnName, |
| new ValidationStatusCellLabelProvider(getVElement()), |
| null, |
| image); |
| |
| } |
| |
| /** |
| * Retrieve images from the {@link ImageRegistryService} using an {@link URL}. |
| * |
| * @param url The {@link URL} pointing to the image |
| * @return The retrieved Image |
| * @since 1.6 |
| */ |
| protected Image getImage(URL url) { |
| return imageRegistryService.getImage(url); |
| } |
| |
| /** |
| * Retrieve images from the {@link ImageRegistryService} using a bundle relative path. |
| * |
| * @param path The bundle relative path pointing to the image |
| * @return The retrieved Image |
| * @since 1.6 |
| */ |
| protected Image getImage(String path) { |
| return imageRegistryService.getImage(FrameworkUtil.getBundle(TableControlSWTRenderer.class), path); |
| } |
| |
| private VTTableValidationStyleProperty getTableValidationStyleProperty() { |
| VTTableValidationStyleProperty tableValidationStyleProperties = getStyleProperty( |
| VTTableValidationStyleProperty.class); |
| if (tableValidationStyleProperties == null) { |
| tableValidationStyleProperties = getDefaultTableValidationStyleProperty(); |
| } |
| return tableValidationStyleProperties; |
| } |
| |
| private VTTableValidationStyleProperty getDefaultTableValidationStyleProperty() { |
| final VTTableValidationStyleProperty tableValidationProp = VTTableValidationFactory.eINSTANCE |
| .createTableValidationStyleProperty(); |
| tableValidationProp.setColumnWidth(80); |
| tableValidationProp.setColumnName(LocalizationServiceHelper.getString(TableControlSWTRenderer.class, |
| MessageKeys.TableControl_ValidationStatusColumn)); |
| tableValidationProp.setImagePath(null); |
| return tableValidationProp; |
| } |
| |
| /** |
| * Returns the {@link VTBackgroundStyleProperty}. |
| * |
| * @return the {@link VTBackgroundStyleProperty} |
| * |
| * @since 1.10 |
| */ |
| protected VTBackgroundStyleProperty getBackgroundStyleProperty() { |
| VTBackgroundStyleProperty styleProperty = getStyleProperty(VTBackgroundStyleProperty.class); |
| if (styleProperty == null) { |
| styleProperty = getDefaultBackgroundStyleProperty(); |
| } |
| return styleProperty; |
| } |
| |
| private VTBackgroundStyleProperty getDefaultBackgroundStyleProperty() { |
| return VTBackgroundFactory.eINSTANCE.createBackgroundStyleProperty(); |
| } |
| |
| private VTTableStyleProperty getTableStyleProperty() { |
| VTTableStyleProperty styleProperty = getStyleProperty(VTTableStyleProperty.class); |
| if (styleProperty == null) { |
| styleProperty = getDefaultTableStyleProperty(); |
| } |
| return styleProperty; |
| } |
| |
| private VTTableStyleProperty getDefaultTableStyleProperty() { |
| final VTTableStyleProperty tableStyleProperty = VTTableStylePropertyFactory.eINSTANCE |
| .createTableStyleProperty(); |
| tableStyleProperty.setMaximumHeight(200); |
| if (!getVElement().isReadonly()) { |
| tableStyleProperty.setMinimumHeight(200); |
| } |
| return tableStyleProperty; |
| } |
| |
| /** |
| * Returns the {@link VTFontPropertiesStyleProperty}. |
| * |
| * @return the {@link VTFontPropertiesStyleProperty} |
| * @since 1.10 |
| */ |
| protected VTFontPropertiesStyleProperty getFontPropertiesStyleProperty() { |
| VTFontPropertiesStyleProperty styleProperty = getStyleProperty(VTFontPropertiesStyleProperty.class); |
| if (styleProperty == null) { |
| styleProperty = getDefaultFontPropertiesStyleProperty(); |
| } |
| return styleProperty; |
| } |
| |
| private VTFontPropertiesStyleProperty getDefaultFontPropertiesStyleProperty() { |
| final VTFontPropertiesStyleProperty property = VTFontPropertiesFactory.eINSTANCE |
| .createFontPropertiesStyleProperty(); |
| property.setColorHEX("000000"); //$NON-NLS-1$ |
| return property; |
| } |
| |
| /** |
| * Returns a {@link VTStyleProperty} of the given class or <code>null</code> if none was found. |
| * |
| * @param stylePropertyClass the style property class |
| * @return the property or <code>null</code> |
| */ |
| private <SP extends VTStyleProperty> SP getStyleProperty(Class<SP> stylePropertyClass) { |
| final Set<VTStyleProperty> styleProperties = getVTViewTemplateProvider() |
| .getStyleProperties(getVElement(), getViewModelContext()); |
| for (final VTStyleProperty styleProperty : styleProperties) { |
| if (stylePropertyClass.isInstance(styleProperty)) { |
| return stylePropertyClass.cast(styleProperty); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the {@link Color} specified by the provided String. |
| * |
| * @param colorHex the Hex String describing the color |
| * @return the {@link Color} |
| * @since 1.10 |
| * |
| */ |
| protected Color getSWTColor(String colorHex) { |
| final String redString = colorHex.substring(0, 2); |
| final String greenString = colorHex.substring(2, 4); |
| final String blueString = colorHex.substring(4, 6); |
| final int red = Integer.parseInt(redString, 16); |
| final int green = Integer.parseInt(greenString, 16); |
| final int blue = Integer.parseInt(blueString, 16); |
| return new Color(Display.getDefault(), red, green, blue); |
| } |
| |
| /** |
| * This is called in order to setup the editing support for a table column. |
| * |
| * @param tempInstance the temporary input instance of the table |
| * @param feature the feature of the column |
| * @param table the table/parent |
| * @return the cell editor |
| * @since 1.10 |
| */ |
| protected CellEditor createCellEditor(final EObject tempInstance, final EStructuralFeature feature, |
| Composite table) { |
| return CellEditorFactory.INSTANCE.getCellEditor(feature, |
| tempInstance, table, getViewModelContext()); |
| } |
| |
| private InternalEObject getInstanceOf(EClass clazz) { |
| return InternalEObject.class.cast(clazz.getEPackage().getEFactoryInstance().create(clazz)); |
| } |
| |
| private Button createRemoveRowButton(EClass clazz, final Composite buttonComposite, final EObject eObject, |
| final EStructuralFeature structuralFeature) { |
| removeButton = new Button(buttonComposite, SWT.None); |
| final Image image = getImage(ICON_DELETE); |
| removeButton.setImage(image); |
| removeButton.setEnabled(false); |
| final String instanceName = clazz.getInstanceClass() == null ? "" : clazz.getInstanceClass().getSimpleName(); //$NON-NLS-1$ |
| removeButton.setToolTipText(String.format( |
| LocalizationServiceHelper.getString(TableControlSWTRenderer.class, MessageKeys.TableControl_RemoveSelected), |
| instanceName)); |
| |
| final List<?> containments = (List<?>) eObject.eGet(structuralFeature, true); |
| if (containments.size() <= structuralFeature.getLowerBound()) { |
| removeButton.setEnabled(false); |
| } |
| SWTDataElementIdHelper.setElementIdDataWithSubId(removeButton, getVElement(), "table_remove", //$NON-NLS-1$ |
| getViewModelContext()); |
| return removeButton; |
| } |
| |
| private Button createAddRowButton(final EClass clazz, final Composite buttonComposite, final EObject eObject, |
| final EStructuralFeature structuralFeature) { |
| addButton = new Button(buttonComposite, SWT.None); |
| final Image image = getImage(ICON_ADD); |
| addButton.setImage(image); |
| final String instanceName = clazz.getInstanceClass() == null ? "" : clazz.getInstanceClass().getSimpleName(); //$NON-NLS-1$ |
| addButton.setToolTipText(String.format( |
| LocalizationServiceHelper.getString(TableControlSWTRenderer.class, MessageKeys.TableControl_AddInstanceOf), |
| instanceName)); |
| |
| final List<?> containments = (List<?>) eObject.eGet(structuralFeature, true); |
| if (structuralFeature.getUpperBound() != -1 && containments.size() >= structuralFeature.getUpperBound()) { |
| addButton.setEnabled(false); |
| } |
| SWTDataElementIdHelper.setElementIdDataWithSubId(addButton, getVElement(), "table_add", getViewModelContext()); //$NON-NLS-1$ |
| return addButton; |
| } |
| |
| /** |
| * This method shows a user confirmation dialog when the user attempts to delete a row in the table. |
| * |
| * @param deletionList the list of selected EObjects to delete |
| * @param eObject The containment reference {@link EObject} |
| * @param structuralFeature The containment reference {@link EStructuralFeature} |
| * @param addButton the add button |
| * @param removeButton the remove button |
| * @since 1.6 |
| */ |
| protected void deleteRowUserConfirmDialog(final List<EObject> deletionList, final EObject eObject, |
| final EStructuralFeature structuralFeature, final Button addButton, final Button removeButton) { |
| final MessageDialog dialog = new MessageDialog(addButton.getShell(), |
| LocalizationServiceHelper.getString(TableControlSWTRenderer.class, MessageKeys.TableControl_Delete), null, |
| LocalizationServiceHelper.getString(TableControlSWTRenderer.class, |
| MessageKeys.TableControl_DeleteAreYouSure), |
| MessageDialog.CONFIRM, new String[] { |
| JFaceResources.getString(IDialogLabelKeys.YES_LABEL_KEY), |
| JFaceResources.getString(IDialogLabelKeys.NO_LABEL_KEY) }, |
| 0); |
| |
| new ECPDialogExecutor(dialog) { |
| |
| @Override |
| public void handleResult(int codeResult) { |
| if (codeResult == IDialogConstants.CANCEL_ID |
| || codeResult == SWT.DEFAULT) { // SWT.DEFAULT is return by closing a message dialog |
| return; |
| } |
| |
| deleteRows(deletionList, eObject, structuralFeature); |
| |
| final List<?> containments = (List<?>) eObject.eGet(structuralFeature, true); |
| if (containments.size() < structuralFeature.getUpperBound()) { |
| addButton.setEnabled(true); |
| } |
| if (containments.size() <= structuralFeature.getLowerBound()) { |
| removeButton.setEnabled(false); |
| } |
| } |
| }.execute(); |
| } |
| |
| /** |
| * This is called by {@link #deleteRowUserConfirmDialog(List)} after the user confirmed to delete the selected |
| * elements. |
| * |
| * @param deletionList the list of {@link EObject EObjects} to delete |
| * @param eObject The containment reference {@link EObject} |
| * @param structuralFeature The containment reference {@link EStructuralFeature} |
| * @since 1.6 |
| */ |
| protected void deleteRows(List<EObject> deletionList, final EObject eObject, |
| final EStructuralFeature structuralFeature) { |
| |
| final EditingDomain editingDomain = getEditingDomain(eObject); |
| |
| /* assured by #isApplicable */ |
| final EReference reference = EReference.class.cast(structuralFeature); |
| final List<Object> toDelete = new ArrayList<Object>(deletionList); |
| if (reference.isContainment()) { |
| DeleteService deleteService = getViewModelContext().getService(DeleteService.class); |
| if (deleteService == null) { |
| /* |
| * #getService(Class<?>) will report to the reportservice if it could not be found |
| * Use Default |
| */ |
| deleteService = new EMFDeleteServiceImpl(); |
| } |
| deleteService.deleteElements(toDelete); |
| } else { |
| removeElements(editingDomain, eObject, reference, toDelete); |
| } |
| } |
| |
| private void removeElements(EditingDomain editingDomain, Object source, EStructuralFeature feature, |
| Collection<Object> toRemove) { |
| final Command removeCommand = RemoveCommand.create(editingDomain, source, feature, toRemove); |
| if (removeCommand.canExecute()) { |
| if (editingDomain.getCommandStack() == null) { |
| removeCommand.execute(); |
| } else { |
| editingDomain.getCommandStack().execute(removeCommand); |
| } |
| } |
| } |
| |
| /** |
| * This method is called to add a new entry in the domain model and thus to create a new row in the table. The |
| * element to create is defined by the provided class. |
| * You can override this method but you have to call super nonetheless. |
| * |
| * @param clazz the {@link EClass} defining the EObject to create |
| * @param eObject The containment reference {@link EObject} |
| * @param structuralFeature The containment reference {@link EStructuralFeature} |
| * @since 1.6 |
| */ |
| protected void addRow(EClass clazz, EObject eObject, EStructuralFeature structuralFeature) { |
| Optional<EObject> eObjectToAdd; |
| |
| /* no table service available, fall back to default */ |
| if (!getViewModelContext().hasService(TableControlService.class)) { |
| if (clazz.isAbstract() || clazz.isInterface()) { |
| getReportService().report(new StatusReport( |
| new Status(IStatus.WARNING, "org.eclipse.emf.ecp.view.table.ui.swt", //$NON-NLS-1$ |
| String.format("The class %1$s is abstract or an interface.", clazz.getName())))); //$NON-NLS-1$ |
| eObjectToAdd = Optional.empty(); |
| } else { |
| eObjectToAdd = Optional.of(clazz.getEPackage().getEFactoryInstance().create(clazz)); |
| } |
| } |
| /* table service available */ |
| else { |
| final TableControlService tableService = getViewModelContext() |
| .getService(TableControlService.class); |
| eObjectToAdd = tableService.createNewElement(clazz, eObject, structuralFeature); |
| } |
| |
| if (!eObjectToAdd.isPresent()) { |
| return; |
| } |
| |
| final EObject instance = eObjectToAdd.get(); |
| final EditingDomain editingDomain = getEditingDomain(eObject); |
| if (editingDomain == null) { |
| } |
| editingDomain.getCommandStack().execute( |
| AddCommand.create(editingDomain, eObject, structuralFeature, instance)); |
| tableViewer.setSelection(new StructuredSelection(eObjectToAdd.get()), true); |
| } |
| |
| @Override |
| protected void applyValidation() { |
| Display.getDefault().asyncExec(new ApplyValidationRunnable()); |
| |
| } |
| |
| /** |
| * Returns the add button created by the framework. |
| * |
| * @return the addButton |
| * @since 1.6 |
| */ |
| protected Button getAddButton() { |
| return addButton; |
| } |
| |
| /** |
| * Returns the remove button created by the framework. |
| * |
| * @return the removeButton |
| * @since 1.6 |
| */ |
| protected Button getRemoveButton() { |
| return removeButton; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#applyEnable() |
| */ |
| @Override |
| protected void applyEnable() { |
| if (getAddButton() != null) { |
| getAddButton().setVisible(getVElement().isEnabled() && !getVElement().isReadonly()); |
| } |
| if (getRemoveButton() != null) { |
| getRemoveButton().setVisible(getVElement().isEnabled() && !getVElement().isReadonly()); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#applyReadOnly() |
| */ |
| @Override |
| protected void applyReadOnly() { |
| if (getAddButton() != null) { |
| getAddButton().setVisible(getVElement().isEnabled() && !getVElement().isReadonly()); |
| } |
| if (getRemoveButton() != null) { |
| getRemoveButton().setVisible(getVElement().isEnabled() && !getVElement().isReadonly()); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#dispose() |
| */ |
| @Override |
| protected void dispose() { |
| isDisposing = true; |
| rendererGridDescription = null; |
| viewModelDBC.dispose(); |
| super.dispose(); |
| } |
| |
| /** |
| * Get called by the {@link ECPTableViewerComparator} in order to compare the given objects. |
| * |
| * @param viewer the tavle viewer |
| * @param e1 the first object of the comparison |
| * @param e2 the second object of the comparison |
| * @param propertyIndex index of the selection column. the index is aligned with the index of the associated column |
| * domain model reference |
| * @param direction {@link SWT#NONE}, {@link SWT#UP} or {@link SWT#DOWN} according to the indication displayed at |
| * the table column. |
| * @return a negative number if the first element is less than the |
| * second element; the value <code>0</code> if the first element is |
| * equal to the second element; and a positive number if the first |
| * element is greater than the second element |
| * @since 1.8 |
| */ |
| protected int compare(Viewer viewer, Object e1, Object e2, int direction, int propertyIndex) { |
| if (direction == 0) { |
| return 0; |
| } |
| // We might have ignored columns at the beginning |
| propertyIndex = propertyIndex - regularColumnsStartIndex; |
| int rc = 0; |
| final EObject object1 = (EObject) e1; |
| final EObject object2 = (EObject) e2; |
| |
| Object value1; |
| Object value2; |
| |
| final VDomainModelReference dmr = ((VTableDomainModelReference) getVElement().getDomainModelReference()) |
| .getColumnDomainModelReferences().get(propertyIndex); |
| final EMFFormsDatabinding emfFormsDatabinding = getEMFFormsDatabinding(); |
| |
| try { |
| final IObservableValue observableValue1 = emfFormsDatabinding.getObservableValue(dmr, object1); |
| final EStructuralFeature structuralFeature1 = (EStructuralFeature) observableValue1.getValueType(); |
| final EObject observed1 = (EObject) ((IObserving) observableValue1).getObserved(); |
| value1 = observed1.eGet(structuralFeature1, true); |
| observableValue1.dispose(); |
| } catch (final DatabindingFailedException ex) { |
| value1 = null; |
| } |
| |
| try { |
| final IObservableValue observableValue2 = emfFormsDatabinding.getObservableValue(dmr, object2); |
| final EStructuralFeature structuralFeature2 = (EStructuralFeature) observableValue2.getValueType(); |
| final EObject observed2 = (EObject) ((IObserving) observableValue2).getObserved(); |
| value2 = observed2.eGet(structuralFeature2, true); |
| observableValue2.dispose(); |
| } catch (final DatabindingFailedException ex) { |
| value2 = null; |
| } |
| |
| if (columnIndexToComparatorMap.containsKey(propertyIndex)) { |
| return columnIndexToComparatorMap.get(propertyIndex).compare(value1, value2, direction); |
| } |
| |
| if (value1 == null) { |
| rc = 1; |
| } else if (value2 == null) { |
| rc = -1; |
| } else { |
| rc = value1.toString().compareTo(value2.toString()); |
| } |
| // If descending order, flip the direction |
| if (direction == 2) { |
| rc = -rc; |
| } |
| return rc; |
| } |
| |
| @Override |
| protected void rootDomainModelChanged() throws DatabindingFailedException { |
| // TODO rebind tooltip and text? |
| |
| final IObservableList oldList = (IObservableList) getTableViewer().getInput(); |
| oldList.dispose(); |
| |
| final IObservableList list = getEMFFormsDatabinding().getObservableList(getDMRToMultiReference(), |
| getViewModelContext().getDomainModel()); |
| // addRelayoutListenerIfNeeded(list, composite); |
| getTableViewer().setInput(list); |
| |
| tableControlSWTRendererButtonBarBuilder.updateValues(); |
| } |
| |
| /** |
| * Checks whether an element is editable or not. |
| * |
| * @param element The list entry to be checked |
| * @return True if the element can be edited, false otherwise |
| * |
| * @since 1.11 |
| */ |
| protected boolean canEditObject(Object element) { |
| return true; |
| } |
| |
| /** |
| * Called by the {@link TableControlEditingSupportAndLabelProvider}. |
| * |
| * @param feature the feature of the column |
| * @param cellEditor the cell editor for the column |
| * @param attributeMap the attribute map displayed in the table |
| * @param vTableControl the table view model element |
| * @param dmr the domain model reference of the column |
| * @param table the table control |
| * @return the {@link CellLabelProvider} of the column |
| * @since 1.12 |
| */ |
| protected CellLabelProvider createCellLabelProvider( |
| EStructuralFeature feature, |
| CellEditor cellEditor, |
| IObservableMap attributeMap, |
| VTableControl vTableControl, |
| VDomainModelReference dmr, |
| Control table) { |
| return new ECPCellLabelProvider( |
| feature, |
| cellEditor, |
| attributeMap, |
| getVElement(), |
| dmr, |
| table); |
| } |
| |
| /** |
| * The {@link DNDProvider} for this renderer. |
| * |
| * @author Johannes Faltermeier |
| * |
| */ |
| private final class TableControlSWTRendererDragAndDrop implements DNDProvider { |
| |
| /** |
| * The drop adapter. |
| */ |
| private final class TableControlDropAdapter extends EditingDomainViewerDropAdapter { |
| |
| private final AbstractTableViewer tableViewer; |
| private EObject eObject; |
| private EStructuralFeature eStructuralFeature; |
| private List<Object> list; |
| |
| @SuppressWarnings("unchecked") |
| TableControlDropAdapter(EditingDomain domain, Viewer viewer, AbstractTableViewer tableViewer) { |
| super(domain, viewer); |
| this.tableViewer = tableViewer; |
| try { |
| final Setting setting = getEMFFormsDatabinding().getSetting(getDMRToMultiReference(), |
| getViewModelContext().getDomainModel()); |
| eObject = setting.getEObject(); |
| eStructuralFeature = setting.getEStructuralFeature(); |
| list = (List<Object>) setting.get(true); |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new AbstractReport(ex)); |
| } |
| } |
| |
| @Override |
| protected void helper(DropTargetEvent event) { |
| final Object target = extractDropTarget(event.item); |
| final Collection<?> dragSource = getDragSource(event); |
| |
| if (dragSource == null) { |
| /* possible on non-win32 platforms */ |
| /* in this case we will just wait until the data is available without setting a detail */ |
| return; |
| } |
| |
| if (target == null || dragSource.contains(target)) { |
| event.detail = DND.DROP_NONE; |
| return; |
| } |
| |
| event.detail = DND.DROP_MOVE; |
| } |
| |
| @Override |
| public void drop(DropTargetEvent event) { |
| |
| final Collection<?> dragSource = getDragSource(event); |
| final Object target = extractDropTarget(event.item); |
| final float location = getLocation(event); |
| |
| final List<Command> commands = new ArrayList<Command>(); |
| final boolean insertAfter = location >= 0.5; |
| |
| for (final Object toMove : dragSource) { |
| final int indexTarget = list.indexOf(target); |
| final int indexToMove = list.indexOf(toMove); |
| |
| if (indexTarget == -1 || indexToMove == -1) { |
| return; |
| } |
| |
| final boolean moveIsLocatedBeforeTarget = indexToMove < indexTarget; |
| |
| int index; |
| if (insertAfter) { |
| if (moveIsLocatedBeforeTarget) { |
| index = indexTarget; |
| } else { |
| index = indexTarget + 1; |
| } |
| } else { |
| /* insert Before Target */ |
| if (moveIsLocatedBeforeTarget) { |
| index = indexTarget - 1; |
| } else { |
| index = indexTarget; |
| } |
| } |
| |
| commands.add(MoveCommand.create(domain, eObject, eStructuralFeature, toMove, index)); |
| } |
| |
| final Command command = new CompoundCommand(commands); |
| |
| if (!command.canExecute()) { |
| return; |
| } |
| domain.getCommandStack().execute(command); |
| |
| tableViewer.refresh(); |
| } |
| } |
| |
| @Override |
| public int getDragOperations() { |
| return getDNDOperations(); |
| } |
| |
| @Override |
| public Transfer[] getDragTransferTypes() { |
| return getDNDTransferTypes(); |
| } |
| |
| @Override |
| public DragSourceListener getDragListener(AbstractTableViewer tableViewer) { |
| return new ViewerDragAdapter(tableViewer); |
| } |
| |
| @Override |
| public int getDropOperations() { |
| return getDNDOperations(); |
| } |
| |
| @Override |
| public Transfer[] getDropTransferTypes() { |
| return getDNDTransferTypes(); |
| } |
| |
| @Override |
| public DropTargetListener getDropListener(final AbstractTableViewer tableViewer) { |
| return new TableControlDropAdapter(getEditingDomain(getViewModelContext().getDomainModel()), tableViewer, |
| tableViewer); |
| } |
| |
| private int getDNDOperations() { |
| return DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK; |
| } |
| |
| private Transfer[] getDNDTransferTypes() { |
| return new Transfer[] { LocalTransfer.getInstance() }; |
| } |
| |
| @Override |
| public boolean hasDND() { |
| return true; |
| } |
| } |
| |
| /** |
| * Double click listener. |
| * |
| */ |
| private final class DoubleClickListener implements IDoubleClickListener { |
| @Override |
| public void doubleClick(DoubleClickEvent event) { |
| if (!getViewModelContext().hasService(TableControlService.class)) { |
| return; |
| } |
| final ISelection selection = event.getSelection(); |
| if (!StructuredSelection.class.isInstance(selection)) { |
| return; |
| } |
| final TableControlService tableService = getViewModelContext() |
| .getService(TableControlService.class); |
| tableService.doubleClick(getVElement(), |
| (EObject) StructuredSelection.class.cast(selection).getFirstElement()); |
| } |
| } |
| |
| /** |
| * The Listener which is set on the table viewer to inform the renderer about selection changes. |
| * |
| */ |
| private final class ViewerSelectionChangedListener implements ISelectionChangedListener { |
| @Override |
| public void selectionChanged(SelectionChangedEvent event) { |
| viewerSelectionChanged(event); |
| } |
| } |
| |
| /** |
| * Runnable which is called by {@link TableControlSWTRenderer#applyValidation() applyValidation}. |
| * |
| */ |
| private final class ApplyValidationRunnable implements Runnable { |
| @Override |
| public void run() { |
| if (isDisposing) { |
| return; |
| } |
| // triggered due to another validation rule before this control is rendered |
| if (validationIcon == null) { |
| return; |
| } |
| // validation rule triggered after the control was disposed |
| if (validationIcon.isDisposed()) { |
| return; |
| } |
| // no diagnostic set |
| if (getVElement().getDiagnostic() == null) { |
| return; |
| } |
| |
| final VTableDomainModelReference tableDMR = (VTableDomainModelReference) getVElement() |
| .getDomainModelReference(); |
| IObservableValue observableValue; |
| try { |
| if (tableDMR.getDomainModelReference() != null) { |
| observableValue = getEMFFormsDatabinding().getObservableValue( |
| tableDMR.getDomainModelReference(), getViewModelContext().getDomainModel()); |
| } else { |
| observableValue = getEMFFormsDatabinding().getObservableValue(tableDMR, |
| getViewModelContext().getDomainModel()); |
| } |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new DatabindingFailedReport(ex)); |
| return; |
| } |
| final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType(); |
| final EObject eObject = (EObject) ((IObserving) observableValue).getObserved(); |
| observableValue.dispose(); |
| |
| validationIcon.setImage(getValidationIcon(getVElement().getDiagnostic().getHighestSeverity())); |
| showValidationSummaryTooltip(showValidationSummaryTooltip); |
| |
| final Collection<?> collection = (Collection<?>) eObject.eGet(structuralFeature, true); |
| if (!collection.isEmpty()) { |
| for (final Object object : collection) { |
| tableViewer.update(object, null); |
| } |
| } |
| } |
| |
| // extracted in order to avoid checkstyle complexity warning |
| private void showValidationSummaryTooltip(boolean doShow) { |
| if (doShow) { |
| validationIcon.setToolTipText(ECPTooltipModifierHelper.modifyString(getVElement().getDiagnostic() |
| .getMessage(), null)); |
| } |
| } |
| } |
| |
| /** |
| * Implements {@link EditingSupportCreator} and {@link CellLabelProviderFactory} for the table control swt renderer. |
| * |
| * This allows us to access the actual cell editor from the cell label provider. |
| * |
| * @author Johannes Faltermeier |
| * |
| */ |
| protected final class TableControlEditingSupportAndLabelProvider |
| implements EditingSupportCreator, CellLabelProviderFactory { |
| private final InternalEObject tempInstance; |
| private final EStructuralFeature eStructuralFeature; |
| private final VDomainModelReference dmr; |
| private final IValueProperty valueProperty; |
| private final IObservableMap observableMap; |
| |
| private CellEditor cellEditor; |
| private ECPTableEditingSupport observableSupport; |
| |
| private boolean initialized; |
| private final int indexOfColumn; |
| |
| private TableControlEditingSupportAndLabelProvider(InternalEObject tempInstance, |
| EStructuralFeature eStructuralFeature, VDomainModelReference dmr, |
| IValueProperty valueProperty, IObservableMap observableMap, int indexOfColumn) { |
| this.tempInstance = tempInstance; |
| this.eStructuralFeature = eStructuralFeature; |
| this.dmr = dmr; |
| this.valueProperty = valueProperty; |
| this.observableMap = observableMap; |
| this.indexOfColumn = indexOfColumn; |
| } |
| |
| @Override |
| public EditingSupport createEditingSupport(AbstractTableViewer tableViewer) { |
| if (!initialized) { |
| init(tableViewer); |
| } |
| return observableSupport; |
| } |
| |
| private void init(AbstractTableViewer tableViewer) { |
| cellEditor = createCellEditor(tempInstance, eStructuralFeature, |
| (Composite) tableViewer.getControl()); |
| if (ECPCellEditorComparator.class.isInstance(cellEditor)) { |
| columnIndexToComparatorMap.put(indexOfColumn, ECPCellEditorComparator.class.cast(cellEditor)); |
| } |
| observableSupport = new ECPTableEditingSupport(tableViewer, cellEditor, |
| getVElement(), dmr, valueProperty); |
| initialized = true; |
| } |
| |
| @Override |
| public CellLabelProvider createCellLabelProvider(AbstractTableViewer table) { |
| if (!initialized) { |
| init(table); |
| } |
| return TableControlSWTRenderer.this.createCellLabelProvider(eStructuralFeature, cellEditor, observableMap, |
| getVElement(), dmr, table.getControl()); |
| } |
| } |
| |
| /** |
| * {@link TableViewerCreator} for the table control swt renderer. It will create a GridTableViewer with the expected |
| * custom variant data and the correct style properties as defined in the template model. |
| * |
| * @since 1.10 |
| * |
| */ |
| protected class TableControlSWTRendererTableViewerCreator implements TableViewerCreator<TableViewer> { |
| |
| @Override |
| public TableViewer createTableViewer(Composite parent) { |
| final TableViewer tableViewer = new TableViewer(parent, |
| SWT.MULTI | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER); |
| tableViewer.getTable().setData(CUSTOM_VARIANT, TABLE_CUSTOM_VARIANT); |
| tableViewer.getTable().setHeaderVisible(true); |
| tableViewer.getTable().setLinesVisible(true); |
| |
| /* Set background color */ |
| final VTBackgroundStyleProperty backgroundStyleProperty = getBackgroundStyleProperty(); |
| if (backgroundStyleProperty.getColor() != null) { |
| tableViewer.getTable().setBackground(getSWTColor(backgroundStyleProperty.getColor())); |
| } |
| |
| /* Set foreground color */ |
| final VTFontPropertiesStyleProperty fontPropertiesStyleProperty = getFontPropertiesStyleProperty(); |
| if (fontPropertiesStyleProperty.getColorHEX() != null) { |
| tableViewer.getTable() |
| .setForeground(getSWTColor(fontPropertiesStyleProperty.getColorHEX())); |
| } |
| |
| tableViewer.getTable().setData(FIXED_COLUMNS, new Integer(1)); |
| |
| /* manage editing support activation */ |
| createTableViewerEditor(tableViewer); |
| return tableViewer; |
| } |
| |
| /** |
| * This method creates and initialises a {@link TableViewerEditor} for the given {@link TableViewer}. |
| * |
| * @param tableViewer the table viewer |
| */ |
| protected void createTableViewerEditor(final TableViewer tableViewer) { |
| final TableViewerFocusCellManager focusCellManager = new TableViewerFocusCellManager(tableViewer, |
| new org.eclipse.emf.ecp.edit.internal.swt.controls.ECPFocusCellDrawHighlighter(tableViewer)); |
| final ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy( |
| tableViewer) { |
| @Override |
| protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event) { |
| return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL |
| || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_CLICK_SELECTION |
| || event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR |
| || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC; |
| } |
| }; |
| TableViewerEditor.create( |
| tableViewer, |
| focusCellManager, |
| actSupport, |
| ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR |
| | ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION); |
| } |
| } |
| |
| /** |
| * {@link ButtonBarBuilder} for the table control swt renderer. It will call the existing template methods which |
| * allows subclasses to change the buttons. |
| * |
| */ |
| protected final class TableControlSWTRendererButtonBarBuilder implements ButtonBarBuilder { |
| private EStructuralFeature structuralFeature; |
| private EClass clazz; |
| private EObject eObject; |
| |
| private TableControlSWTRendererButtonBarBuilder() throws DatabindingFailedException { |
| setValues(); |
| } |
| |
| /** |
| * Reloads the model values. |
| * |
| * @throws DatabindingFailedException if the databinding could not be executed successfully |
| */ |
| public void updateValues() throws DatabindingFailedException { |
| setValues(); |
| } |
| |
| private void setValues() throws DatabindingFailedException { |
| final Setting setting = getEMFFormsDatabinding().getSetting(getDMRToMultiReference(), |
| getViewModelContext().getDomainModel()); |
| eObject = setting.getEObject(); |
| structuralFeature = setting.getEStructuralFeature(); |
| clazz = ((EReference) structuralFeature).getEReferenceType(); |
| } |
| |
| @Override |
| public void fillButtonComposite(Composite buttonComposite, AbstractTableViewer viewer) { |
| int numButtons = addButtonsToButtonBar(buttonComposite); |
| if (!getVElement().isAddRemoveDisabled()) { |
| addButton = createAddRowButton( |
| clazz, buttonComposite, eObject, structuralFeature); |
| removeButton = createRemoveRowButton( |
| clazz, buttonComposite, eObject, structuralFeature); |
| |
| numButtons = numButtons + 2; |
| |
| initButtons(addButton, removeButton, viewer); |
| } |
| GridLayoutFactory.fillDefaults().numColumns(numButtons).equalWidth(false) |
| .applyTo(buttonComposite); |
| } |
| |
| private void initButtons(final Button addButton, final Button removeButton, final AbstractTableViewer viewer) { |
| addButton.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| addRow(clazz, eObject, structuralFeature); |
| |
| final List<?> containments = (List<?>) eObject.eGet(structuralFeature, true); |
| if (structuralFeature.getUpperBound() != -1 |
| && containments.size() >= structuralFeature.getUpperBound()) { |
| addButton.setEnabled(false); |
| } |
| if (containments.size() > structuralFeature.getLowerBound()) { |
| addButton.setEnabled(true); |
| } |
| } |
| }); |
| removeButton.addSelectionListener(new SelectionAdapter() { |
| |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| final IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); |
| |
| if (selection == null || selection.getFirstElement() == null) { |
| return; |
| } |
| |
| final List<EObject> deletionList = new ArrayList<EObject>(); |
| final Iterator<?> iterator = selection.iterator(); |
| |
| while (iterator.hasNext()) { |
| deletionList.add((EObject) iterator.next()); |
| } |
| |
| deleteRowUserConfirmDialog(deletionList, eObject, |
| structuralFeature, addButton, removeButton); |
| } |
| }); |
| } |
| |
| @Override |
| public Object createNewElement(Button button) { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| /** |
| * {@link org.eclipse.emfforms.spi.swt.table.TableViewerCompositeBuilder TableViewerCompositeBuilder} which calls |
| * the existing template method to create the validation label. |
| * |
| */ |
| @SuppressWarnings("restriction") |
| private final class TableControlSWTRendererCompositeBuilder |
| extends org.eclipse.emfforms.internal.swt.table.DefaultTableViewerCompositeBuilder { |
| @Override |
| protected Label createValidationLabel(Composite topComposite) { |
| final Label validationLabel = createValidationIcon(topComposite); |
| GridDataFactory.fillDefaults().hint(16, 17).grab(false, false).applyTo(validationLabel); |
| return validationLabel; |
| } |
| |
| @Override |
| protected Composite createViewerComposite(Composite composite) { |
| return createControlComposite(composite); |
| } |
| } |
| |
| /** |
| * The {@link ViewerComparator} for this table which allows 3 states for sort order: |
| * none, up and down. |
| * |
| * @author Eugen Neufeld |
| * @since 1.10 |
| * |
| */ |
| protected class ECPTableViewerComparator extends ViewerComparator implements TableViewerComparator { |
| private int propertyIndex; |
| private static final int NONE = 0; |
| private int direction = NONE; |
| |
| /** Constructs a new instance. */ |
| ECPTableViewerComparator() { |
| propertyIndex = 0; |
| direction = NONE; |
| } |
| |
| @Override |
| public int getDirection() { |
| switch (direction) { |
| case 0: |
| return SWT.NONE; |
| case 1: |
| return SWT.UP; |
| case 2: |
| return SWT.DOWN; |
| default: |
| return SWT.NONE; |
| } |
| |
| } |
| |
| @Override |
| public void setColumn(int column) { |
| if (column == propertyIndex) { |
| // Same column as last sort; toggle the direction |
| direction = (direction + 1) % 3; |
| } else { |
| // New column; do an ascending sort |
| propertyIndex = column; |
| direction = 1; |
| } |
| } |
| |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| return TableControlSWTRenderer.this.compare(viewer, e1, e2, direction, propertyIndex); |
| } |
| } |
| |
| /** |
| * ECP specific cell label provider that does also implement {@link IColorProvider} in |
| * order to correctly. |
| * |
| * @author emueller |
| * |
| */ |
| public class ECPCellLabelProvider extends ObservableMapCellLabelProvider implements IColorProvider { |
| |
| private final EStructuralFeature feature; |
| private final CellEditor cellEditor; |
| private final VTableControl vTableControl; |
| private final VDomainModelReference dmr; |
| private final Control table; |
| |
| /** |
| * Constructor. |
| * |
| * @param feature |
| * the {@link EStructuralFeature} the cell is bound to |
| * @param cellEditor |
| * the {@link CellEditor} instance |
| * @param attributeMap |
| * an {@link IObservableMap} instance that is passed to the {@link ObservableMapCellLabelProvider} |
| * @param vTableControl the {@link VTableControl} |
| * @param dmr the {@link VDomainModelReference} for this cell |
| * @param table the swt table |
| * @since 1.10 |
| */ |
| public ECPCellLabelProvider(EStructuralFeature feature, CellEditor cellEditor, IObservableMap attributeMap, |
| VTableControl vTableControl, VDomainModelReference dmr, Control table) { |
| super(attributeMap); |
| this.vTableControl = vTableControl; |
| this.feature = feature; |
| this.cellEditor = cellEditor; |
| this.dmr = dmr; |
| this.table = table; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.CellLabelProvider#getToolTipText(java.lang.Object) |
| */ |
| @Override |
| public String getToolTipText(Object element) { |
| final EObject domainObject = (EObject) element; |
| IObservableValue observableValue; |
| try { |
| observableValue = getEMFFormsDatabinding() |
| .getObservableValue(dmr, domainObject); |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new DatabindingFailedReport(ex)); |
| return null; |
| } |
| final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType(); |
| final EObject eObject = (EObject) ((IObserving) observableValue).getObserved(); |
| final Setting setting = ((InternalEObject) eObject).eSetting(structuralFeature); |
| observableValue.dispose(); |
| |
| final VDiagnostic vDiagnostic = vTableControl.getDiagnostic(); |
| if (vDiagnostic != null) { |
| final String message = DiagnosticMessageExtractor.getMessage(vDiagnostic.getDiagnostic(domainObject, |
| feature)); |
| if (message != null && !message.isEmpty()) { |
| return ECPTooltipModifierHelper.modifyString(message, setting); |
| } |
| } |
| final Object value = eObject.eGet(structuralFeature, true); |
| if (value == null) { |
| return null; |
| } |
| return ECPTooltipModifierHelper.modifyString(String.valueOf(value), setting); |
| } |
| |
| @Override |
| public void update(ViewerCell cell) { |
| final EObject element = (EObject) cell.getElement(); |
| final Object value = attributeMaps[0].get(element); |
| if (ECPCustomUpdateCellEditor.class.isInstance(cellEditor)) { |
| ((ECPCustomUpdateCellEditor) cellEditor).updateCell(cell, value); |
| } else if (ECPCellEditor.class.isInstance(cellEditor)) { |
| final ECPCellEditor ecpCellEditor = (ECPCellEditor) cellEditor; |
| final String text = ecpCellEditor.getFormatedString(value); |
| cell.setText(text == null ? "" : text); //$NON-NLS-1$ |
| cell.setImage(ecpCellEditor.getImage(value)); |
| } else { |
| cell.setText(value == null ? "" : value.toString()); //$NON-NLS-1$ |
| cell.getControl().setData(CUSTOM_VARIANT, "org_eclipse_emf_ecp_edit_cellEditor_string"); //$NON-NLS-1$ |
| } |
| |
| cell.setForeground(getForeground(element)); |
| cell.setBackground(getBackground(element)); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object) |
| */ |
| @Override |
| public Color getForeground(Object element) { |
| return table.getForeground(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object) |
| */ |
| @Override |
| public Color getBackground(Object element) { |
| final VDiagnostic vDiagnostic = vTableControl.getDiagnostic(); |
| if (vDiagnostic == null) { |
| return getValidationBackgroundColor(Diagnostic.OK); |
| } |
| final List<Diagnostic> diagnostic = vDiagnostic.getDiagnostic((EObject) element, feature); |
| return getValidationBackgroundColor(diagnostic.size() == 0 ? Diagnostic.OK : diagnostic.get(0) |
| .getSeverity()); |
| } |
| } |
| |
| /** |
| * Implementation of the {@link EditingSupport} for the generic ECP Table. |
| * |
| * @author Eugen Neufeld |
| * |
| */ |
| private class ECPTableEditingSupport extends EditingSupport { |
| |
| private final CellEditor cellEditor; |
| |
| private final VTableControl tableControl; |
| |
| private final IValueProperty valueProperty; |
| |
| private final VDomainModelReference domainModelReference; |
| |
| /** |
| * @param viewer |
| */ |
| ECPTableEditingSupport(ColumnViewer viewer, CellEditor cellEditor, |
| VTableControl tableControl, VDomainModelReference domainModelReference, IValueProperty valueProperty) { |
| super(viewer); |
| this.cellEditor = cellEditor; |
| this.tableControl = tableControl; |
| this.valueProperty = valueProperty; |
| this.domainModelReference = domainModelReference; |
| } |
| |
| private EditingState editingState; |
| |
| private final ColumnViewerEditorActivationListenerHelper activationListener = new ColumnViewerEditorActivationListenerHelper(); |
| |
| /** |
| * Default implementation always returns <code>true</code>. |
| * |
| * @see org.eclipse.jface.viewers.EditingSupport#canEdit(java.lang.Object) |
| */ |
| @Override |
| protected boolean canEdit(Object element) { |
| final boolean isObjectEditable = canEditObject(element); |
| if (!isObjectEditable) { |
| return false; |
| } |
| boolean editable = tableControl.isEnabled() |
| && !tableControl.isReadonly(); |
| if (!editable) { |
| return false; |
| } |
| final IObservableValue observableValue = valueProperty.observe(element); |
| final EObject eObject = (EObject) ((IObserving) observableValue).getObserved(); |
| final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType(); |
| final Setting setting = ((InternalEObject) eObject).eSetting(structuralFeature); |
| |
| editable &= emfFormsEditSupport.canSetProperty(domainModelReference, (EObject) element); |
| editable &= !CellReadOnlyTesterHelper.getInstance().isReadOnly(getVElement(), setting); |
| |
| if (ECPCellEditor.class.isInstance(cellEditor)) { |
| ECPCellEditor.class.cast(cellEditor).setEditable(editable); |
| return true; |
| } |
| return editable; |
| } |
| |
| /** |
| * Default implementation always returns <code>null</code> as this will be |
| * handled by the Binding. |
| * |
| * @see org.eclipse.jface.viewers.EditingSupport#getValue(java.lang.Object) |
| */ |
| @Override |
| protected Object getValue(Object element) { |
| // no op |
| return null; |
| } |
| |
| /** |
| * Default implementation does nothing as this will be handled by the |
| * Binding. |
| * |
| * @see org.eclipse.jface.viewers.EditingSupport#setValue(java.lang.Object, java.lang.Object) |
| */ |
| @Override |
| protected void setValue(Object element, Object value) { |
| // no op |
| } |
| |
| /** |
| * Creates a {@link Binding} between the editor and the element to be |
| * edited. Invokes {@link #doCreateCellEditorObservable(CellEditor)}, |
| * {@link #doCreateElementObservable(Object, ViewerCell)}, and then |
| * {@link #createBinding(IObservableValue, IObservableValue)}. |
| */ |
| @Override |
| protected void initializeCellEditorValue(CellEditor cellEditor, ViewerCell cell) { |
| |
| if (ECPElementAwareCellEditor.class.isInstance(cellEditor)) { |
| ECPElementAwareCellEditor.class.cast(cellEditor).updateRowElement(cell.getElement()); |
| } |
| |
| final IObservableValue target = doCreateCellEditorObservable(cellEditor); |
| Assert.isNotNull(target, "doCreateCellEditorObservable(...) did not return an observable"); //$NON-NLS-1$ |
| |
| final IObservableValue model = valueProperty.observe(cell.getElement()); |
| Assert.isNotNull(model, "The databinding service did not return an observable"); //$NON-NLS-1$ |
| |
| final Binding binding = createBinding(target, model); |
| |
| Assert.isNotNull(binding, "createBinding(...) did not return a binding"); //$NON-NLS-1$ |
| |
| editingState = new EditingState(binding, target, model); |
| |
| getViewer().getColumnViewerEditor().addEditorActivationListener(activationListener); |
| } |
| |
| @Override |
| protected CellEditor getCellEditor(Object element) { |
| return cellEditor; |
| } |
| |
| protected Binding createBinding(IObservableValue target, IObservableValue model) { |
| if (ECPCellEditor.class.isInstance(cellEditor)) { |
| return getDataBindingContext().bindValue(target, model, |
| ((ECPCellEditor) cellEditor).getTargetToModelStrategy(getDataBindingContext()), |
| ((ECPCellEditor) cellEditor).getModelToTargetStrategy(getDataBindingContext())); |
| } |
| return getDataBindingContext().bindValue(target, model); |
| } |
| |
| protected IObservableValue doCreateCellEditorObservable(CellEditor cellEditor) { |
| if (ECPCellEditor.class.isInstance(cellEditor)) { |
| return ((ECPCellEditor) cellEditor).getValueProperty().observe(cellEditor); |
| } |
| return WidgetProperties.text(SWT.FocusOut).observe(cellEditor.getControl()); |
| } |
| |
| @Override |
| protected final void saveCellEditorValue(CellEditor cellEditor, ViewerCell cell) { |
| editingState.binding.updateTargetToModel(); |
| } |
| |
| /** |
| * A ColumnViewerEditorActivationListener to reset the cells after focus lost. |
| * |
| * @author Eugen Neufeld |
| * |
| */ |
| private class ColumnViewerEditorActivationListenerHelper extends ColumnViewerEditorActivationListener { |
| |
| @Override |
| public void afterEditorActivated(ColumnViewerEditorActivationEvent event) { |
| // set colors for cell editor |
| final Control control = cellEditor.getControl(); |
| if (control == null || control.isDisposed()) { |
| return; |
| } |
| control.setBackground(getViewer().getControl().getBackground()); |
| control.setForeground(getViewer().getControl().getForeground()); |
| } |
| |
| @Override |
| public void afterEditorDeactivated(ColumnViewerEditorDeactivationEvent event) { |
| editingState.dispose(); |
| editingState = null; |
| |
| getViewer().getColumnViewerEditor().removeEditorActivationListener(this); |
| final ViewerCell focusCell = getViewer().getColumnViewerEditor().getFocusCell(); |
| if (focusCell != null) { |
| getViewer().update(focusCell.getElement(), null); |
| } |
| } |
| |
| @Override |
| public void beforeEditorActivated(ColumnViewerEditorActivationEvent event) { |
| // do nothing |
| } |
| |
| @Override |
| public void beforeEditorDeactivated(ColumnViewerEditorDeactivationEvent event) { |
| // do nothing |
| } |
| } |
| |
| /** |
| * Maintains references to objects that only live for the length of the edit |
| * cycle. |
| */ |
| class EditingState { |
| |
| private final IObservableValue target; |
| private final IObservableValue model; |
| private final Binding binding; |
| |
| EditingState(Binding binding, IObservableValue target, IObservableValue model) { |
| this.binding = binding; |
| this.target = target; |
| this.model = model; |
| } |
| |
| void dispose() { |
| binding.dispose(); |
| target.dispose(); |
| model.dispose(); |
| } |
| } |
| } |
| |
| /** |
| * The {@link CellLabelProvider} to update the validation status on the cells. |
| * |
| * @author Eugen Neufeld |
| * |
| */ |
| private class ValidationStatusCellLabelProvider extends CellLabelProvider { |
| private final VTableControl vTableControl; |
| |
| ValidationStatusCellLabelProvider( |
| VTableControl vTableControl) { |
| this.vTableControl = vTableControl; |
| } |
| |
| @Override |
| public void update(ViewerCell cell) { |
| Integer mostSevere = Diagnostic.OK; |
| final VDiagnostic vDiagnostic = vTableControl.getDiagnostic(); |
| if (vDiagnostic == null) { |
| return; |
| } |
| final List<Diagnostic> diagnostics = vDiagnostic.getDiagnostics((EObject) cell.getElement()); |
| if (diagnostics.size() != 0) { |
| mostSevere = diagnostics.get(0).getSeverity(); |
| } |
| cell.setImage(getValidationIcon(mostSevere)); |
| } |
| |
| @Override |
| public String getToolTipText(Object element) { |
| final VDiagnostic vDiagnostic = vTableControl.getDiagnostic(); |
| if (vDiagnostic == null) { |
| return null; |
| } |
| final String message = DiagnosticMessageExtractor.getMessage(vDiagnostic.getDiagnostics((EObject) element)); |
| return ECPTooltipModifierHelper.modifyString(message, null); |
| } |
| } |
| } |
