Java tutorial
/***************************************************************************** * * Copyright 2012-2016 SkillPro Consortium * * Author: PDE, FZI, pde@fzi.de * * Date of creation: 2012-2016 * * Module: Production System Configuration Manager (PSCM) * * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * * This file is part of the AMS (Asset Management System), which has been developed * at the PDE department of the FZI, Karlsruhe. It is part of the SkillPro Framework, * which is is developed in the SkillPro project, funded by the European FP7 * programme (Grant Agreement 287733). * * The SkillPro Framework is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The SkillPro Framework is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the SkillPro Framework. If not, see <http://www.gnu.org/licenses/>. *****************************************************************************/ package skillpro.view.impl; import java.util.Map.Entry; import masterviews.composite.abstracts.TreeTableComposite; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.CheckboxCellEditor; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ColumnViewer; import org.eclipse.jface.viewers.EditingSupport; import org.eclipse.jface.viewers.IContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TreeViewerColumn; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Tree; import org.eclipse.swt.widgets.TreeColumn; import skillpro.model.skills.ExecutableSkill; import skillpro.model.skills.ResourceExecutableSkill; import skillpro.providers.skill.ExecutableSkillSelectionContentProvider; import skillpro.providers.skill.ExecutableSkillSelectionLabelProvider; import eu.skillpro.ams.pscm.icons.IconActivator; public class ExecutableSkillSelectionTreeTableComposite extends TreeTableComposite { public ExecutableSkillSelectionTreeTableComposite(Composite parent, int style) { super(parent, style); } @Override protected LabelProvider initLabelProvider() { return new ExecutableSkillSelectionLabelProvider(); } @Override protected IContentProvider initContentProvider() { return new ExecutableSkillSelectionContentProvider(); } @Override protected void addColumn(Tree tree) { addExecutableSkillColumn(tree); addSelectionColumn(tree); } @Override protected void initColumn(Tree tree) { } private void addExecutableSkillColumn(final Tree tree) { TreeColumn secondColumn = new TreeColumn(tree, SWT.LEFT | SWT.CHECK, 0); secondColumn.setAlignment(SWT.LEFT); secondColumn.setText("ExecutableSkill"); secondColumn.setWidth(150); TreeViewerColumn treeViewerColumn = new TreeViewerColumn(viewer, secondColumn); treeViewerColumn.setLabelProvider(new ExecutableSkillColumnProvider()); } private void addSelectionColumn(final Tree tree) { TreeColumn secondColumn = new TreeColumn(tree, SWT.CENTER | SWT.CHECK, 1); secondColumn.setAlignment(SWT.CENTER); secondColumn.setText("Selection"); secondColumn.setWidth(50); TreeViewerColumn treeViewerColumn = new TreeViewerColumn(viewer, secondColumn); treeViewerColumn.setLabelProvider(new SelectionColumnProvider()); treeViewerColumn.setEditingSupport(new SelectionEditingSupport(treeViewerColumn.getViewer())); } private class SelectionEditingSupport extends EditingSupport { public SelectionEditingSupport(ColumnViewer columnViewer) { super(columnViewer); } @Override protected CellEditor getCellEditor(Object element) { return new CheckboxCellEditor(null, SWT.CHECK | SWT.READ_ONLY); } @Override protected boolean canEdit(Object element) { if (element instanceof ResourceExecutableSkill) { return false; } return true; } @Override protected Object getValue(Object element) { if (element instanceof Entry<?, ?>) { return ((Entry<?, ?>) element).getValue(); } return null; } @SuppressWarnings({ "unchecked" }) @Override protected void setValue(Object element, Object value) { if (value == null) { return; } if (element instanceof Entry<?, ?>) { ((Entry<?, Boolean>) element).setValue((Boolean) value); viewer.update(element, null); } } } private class ExecutableSkillColumnProvider extends ColumnLabelProvider { private Image exSkillIcon; private Image rexSkillIcon; @Override public String getText(Object element) { if (element instanceof Entry<?, ?>) { if (((Entry<?, ?>) element).getKey() instanceof ExecutableSkill) { ExecutableSkill executableSkill = (ExecutableSkill) ((Entry<?, ?>) element).getKey(); return executableSkill.getName(); } } else if (element instanceof ResourceExecutableSkill) { return ((ResourceExecutableSkill) element).toString(); } return "ERROR (not an executable skill)"; } @Override public Image getImage(Object element) { if (element instanceof Entry<?, ?>) { if (!(((Entry<?, ?>) element).getKey() instanceof ExecutableSkill)) { throw new IllegalArgumentException("Not an ExSkill"); } return getExecutableSkillIcon(); } else if (element instanceof ResourceExecutableSkill) { return getResourceExecutableSkillIcon(); } return null; } private Image getExecutableSkillIcon() { if (exSkillIcon == null) { exSkillIcon = IconActivator.getImageDescriptor("icons/skill/exSkill.png").createImage(); } return exSkillIcon; } private Image getResourceExecutableSkillIcon() { if (rexSkillIcon == null) { rexSkillIcon = IconActivator.getImageDescriptor("icons/skill/rexSkill.png").createImage(); } return rexSkillIcon; } } private class SelectionColumnProvider extends ColumnLabelProvider { @Override public String getText(Object element) { return ""; } @Override public Image getImage(Object element) { if (element instanceof Entry<?, ?>) { if (((Entry<?, ?>) element).getValue() instanceof Boolean) { Boolean value = (Boolean) ((Entry<?, ?>) element).getValue(); if (value) { return IconActivator.getImageDescriptor("icons/commons/checked.png").createImage(); } else { return IconActivator.getImageDescriptor("icons/commons/unchecked.png").createImage(); } } } return null; } } }