| /******************************************************************************* |
| * Copyright (c) 2014 TwelveTone LLC 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: |
| * Steven Spungin <steven@spungin.tv> - initial API and implementation, Bug 432555, Bug 436889 |
| *******************************************************************************/ |
| |
| package org.eclipse.e4.tools.emf.ui.internal.common.component.tabs; |
| |
| import org.eclipse.e4.core.contexts.IEclipseContext; |
| import org.eclipse.e4.tools.emf.ui.internal.ResourceProvider; |
| import org.eclipse.e4.tools.services.IResourcePool; |
| import org.eclipse.emf.ecore.EAttribute; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jface.viewers.ColumnLabelProvider; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TableViewerColumn; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * A table viewer column for editing an EMF EAttribute If the object does not |
| * have an attribute with the given ID, the field is disabled. |
| * |
| * @author Steven Spungin |
| * |
| */ |
| public class EAttributeTableViewerColumn { |
| |
| private TableViewerColumn tableViewerColumn; |
| private IResourcePool resourcePool; |
| private String attName; |
| private TableViewer tvResults; |
| |
| public EAttributeTableViewerColumn(final TableViewer tvResults, String label, final String attName, |
| final IEclipseContext context) { |
| this.tvResults = tvResults; |
| this.attName = attName; |
| tableViewerColumn = new TableViewerColumn(tvResults, SWT.NONE); |
| |
| // CAN be null. Used for checkbox icon. |
| resourcePool = context.get(IResourcePool.class); |
| |
| tableViewerColumn.getColumn().setText(label); |
| tableViewerColumn.setLabelProvider(new ColumnLabelProvider() { |
| @Override |
| public String getText(Object element) { |
| final EObject eObject = (EObject) element; |
| final EAttribute eAtt = EmfUtil.getAttribute(eObject, attName); |
| Object value; |
| if (eAtt != null) { |
| value = eObject.eGet(eAtt); |
| } else { |
| value = ""; //$NON-NLS-1$ |
| } |
| switch (EAttributeEditingSupport.getAttributeType(element, attName)) { |
| case BOOLEAN: |
| // if no icons provided, use text instead of checkbox |
| return resourcePool == null && (Boolean) value ? "X" : ""; //$NON-NLS-1$ //$NON-NLS-2$ |
| case STRING: |
| case NOT_AN_ATTRIBUTE: |
| case OTHER: |
| default: |
| return super.getText(value); |
| } |
| } |
| |
| @Override |
| public Image getImage(Object element) { |
| switch (EAttributeEditingSupport.getAttributeType(element, attName)) { |
| case BOOLEAN: |
| if (resourcePool != null) { |
| final Object value = EmfUtil.getAttributeValue((EObject) element, attName); |
| if (value != null && value.equals(true)) { |
| return resourcePool.getImageUnchecked(ResourceProvider.IMG_Widgets_checkbox_obj); |
| } |
| } |
| // fall through |
| //$FALL-THROUGH$ |
| case STRING: |
| case NOT_AN_ATTRIBUTE: |
| case OTHER: |
| default: |
| return super.getImage(element); |
| } |
| } |
| |
| @Override |
| public Color getBackground(Object element) { |
| return EAttributeTableViewerColumn.this.getBackground(element); |
| } |
| }); |
| tableViewerColumn.setEditingSupport(new EAttributeEditingSupport(tvResults, attName, context)); |
| } |
| |
| public Color getBackground(Object element) { |
| final EObject eObject = (EObject) element; |
| final EAttribute eAtt = EmfUtil.getAttribute(eObject, attName); |
| if (eAtt == null) { |
| return tvResults.getTable().getDisplay().getSystemColor(SWT.COLOR_GRAY); |
| } |
| return null; |
| } |
| |
| public void dispose() { |
| tableViewerColumn.getColumn().dispose(); |
| } |
| |
| public TableViewerColumn getTableViewerColumn() { |
| return tableViewerColumn; |
| } |
| |
| } |