Java tutorial
/* * ARX: Powerful Data Anonymization * Copyright (C) 2012 - 2014 Florian Kohlmayer, Fabian Prasser * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.deidentifier.arx.gui.view.impl.menu; import java.util.List; import org.deidentifier.arx.gui.Controller; import org.deidentifier.arx.gui.model.ModelExplicitCriterion; import org.deidentifier.arx.gui.model.ModelLDiversityCriterion; import org.deidentifier.arx.gui.model.ModelTClosenessCriterion; import org.deidentifier.arx.gui.resources.Resources; import org.deidentifier.arx.gui.view.SWTUtil; import org.deidentifier.arx.gui.view.def.IDialog; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.ShellAdapter; import org.eclipse.swt.events.ShellEvent; import org.eclipse.swt.events.ShellListener; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.TableItem; /** * A dialog for selecting privacy criteria * @author Fabian Prasser */ public class DialogCriterionSelection extends TitleAreaDialog implements IDialog { private Button ok = null; private Button cancel = null; private List<ModelExplicitCriterion> elements = null; private ModelExplicitCriterion selection = null; private Image symbolL = null; private Image symbolT = null; private Controller controller = null; /** * Constructor * @param controller * @param parent * @param elements */ public DialogCriterionSelection(final Controller controller, final Shell parent, List<ModelExplicitCriterion> elements) { super(parent); this.elements = elements; this.controller = controller; } @Override public boolean close() { if (symbolL != null) symbolL.dispose(); if (symbolT != null) symbolT.dispose(); return super.close(); } /** * Returns the selected criterion * @return */ public ModelExplicitCriterion getCriterion() { return this.selection; } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setImages(Resources.getIconSet(newShell.getDisplay())); } @Override protected void createButtonsForButtonBar(final Composite parent) { parent.setLayoutData(SWTUtil.createFillGridData()); // Create OK Button ok = createButton(parent, Window.OK, Resources.getMessage("ProjectDialog.3"), true); //$NON-NLS-1$ ok.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { setReturnCode(Window.OK); close(); } }); ok.setEnabled(false); // Create Cancel Button cancel = createButton(parent, Window.CANCEL, Resources.getMessage("ProjectDialog.4"), false); //$NON-NLS-1$ cancel.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { setReturnCode(Window.CANCEL); close(); } }); } @Override protected Control createContents(Composite parent) { Control contents = super.createContents(parent); setTitle(Resources.getMessage("CriterionSelectionDialog.1")); //$NON-NLS-1$ setMessage(Resources.getMessage("CriterionSelectionDialog.0"), IMessageProvider.NONE); //$NON-NLS-1$ return contents; } @Override protected Control createDialogArea(final Composite parent) { parent.setLayout(new GridLayout()); final Table table = new Table(parent, SWT.BORDER | SWT.SINGLE | SWT.V_SCROLL); table.setHeaderVisible(true); final GridData d = SWTUtil.createFillGridData(); d.heightHint = 100; table.setLayoutData(d); TableColumn column1 = new TableColumn(table, SWT.NONE); column1.setText(""); TableColumn column2 = new TableColumn(table, SWT.NONE); column2.setText(Resources.getMessage("CriterionSelectionDialog.2")); //$NON-NLS-1$ TableColumn column3 = new TableColumn(table, SWT.NONE); column3.setText(Resources.getMessage("CriterionSelectionDialog.3")); //$NON-NLS-1$ this.symbolL = controller.getResources().getImage("symbol_l.png"); //$NON-NLS-1$ this.symbolT = controller.getResources().getImage("symbol_t.png"); //$NON-NLS-1$ for (ModelExplicitCriterion c : elements) { TableItem item = new TableItem(table, SWT.NONE); item.setText(new String[] { "", c.toString(), c.getAttribute() }); if (c instanceof ModelLDiversityCriterion) { item.setImage(0, symbolL); } else if (c instanceof ModelTClosenessCriterion) { item.setImage(0, symbolT); } } table.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent arg0) { if (table.getSelectionIndex() != -1) { selection = elements.get(table.getSelectionIndex()); ok.setEnabled(true); } else { selection = null; ok.setEnabled(false); } } }); column1.pack(); column2.pack(); column3.pack(); return parent; } @Override protected ShellListener getShellListener() { return new ShellAdapter() { @Override public void shellClosed(final ShellEvent event) { setReturnCode(Window.CANCEL); } }; } @Override protected boolean isResizable() { return false; } }