Java tutorial
/* * ARX: Powerful Data Anonymization * Copyright 2012 - 2018 Fabian Prasser and contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.deidentifier.arx.gui.view.impl.menu; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.deidentifier.arx.DataDefinition; import org.deidentifier.arx.DataGeneralizationScheme; import org.deidentifier.arx.DataHandle; import org.deidentifier.arx.gui.Controller; import org.deidentifier.arx.gui.model.Model; 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.MenuAdapter; import org.eclipse.swt.events.MenuEvent; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.TableItem; import de.linearbits.swt.table.DynamicTable; import de.linearbits.swt.table.DynamicTableColumn; /** * A dialog to select a generalization scheme * * @author Fabian Prasser */ public class DialogGeneralizationSelection extends TitleAreaDialog implements IDialog { /** Selection */ private String attribute = null; /** Selection */ private TableItem item = null; /** Map */ private Map<String, Integer> selection = new HashMap<String, Integer>(); /** Map */ private Map<String, String[][]> hierarchies = new HashMap<String, String[][]>(); /** List */ private List<String> attributes = new ArrayList<String>(); /** Model */ private DataDefinition definition; /** Button */ private Button ok; /** * Constructor. * * @param shell * @param controller * @param model */ public DialogGeneralizationSelection(final Shell shell, final Controller controller, final Model model, final DataGeneralizationScheme scheme) { super(shell); definition = model.getInputDefinition(); DataHandle handle = model.getInputConfig().getInput().getHandle(); for (int i = 0; i < handle.getNumColumns(); i++) { String attribute = handle.getAttributeName(i); if (definition.getQuasiIdentifiersWithGeneralization().contains(attribute)) { attributes.add(attribute); selection.put(attribute, scheme.getGeneralizationLevel(attribute, definition)); hierarchies.put(attribute, definition.getHierarchy(attribute)); } } } @Override public boolean close() { return super.close(); } /** * Returns the selected element * @return */ public Map<String, Integer> getSelection() { return selection; } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setImages(Resources.getIconSet(newShell.getDisplay())); } @Override protected void createButtonsForButtonBar(final Composite parent) { // 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(true); } @Override protected Control createContents(Composite parent) { Control contents = super.createContents(parent); setTitle(Resources.getMessage("DialogGeneralizationSelection.1")); //$NON-NLS-1$ setMessage(Resources.getMessage("DialogGeneralizationSelection.0"), IMessageProvider.INFORMATION); //$NON-NLS-1$ return contents; } @Override protected Control createDialogArea(final Composite parent) { parent.setLayout(SWTUtil.createGridLayout(1)); // Create table final DynamicTable table = SWTUtil.createTableDynamic(parent, SWT.BORDER | SWT.SINGLE | SWT.V_SCROLL | SWT.FULL_SELECTION); table.setHeaderVisible(true); GridData data = SWTUtil.createFillGridData(); data.heightHint = 300; table.setLayoutData(data); // Create column DynamicTableColumn column1 = new DynamicTableColumn(table, SWT.NONE); column1.setText(Resources.getMessage("DialogGeneralizationSelection.2")); //$NON-NLS-1$ column1.setWidth("33%", "30px"); //$NON-NLS-1$ //$NON-NLS-2$ DynamicTableColumn column2 = new DynamicTableColumn(table, SWT.NONE); column2.setText(Resources.getMessage("DialogGeneralizationSelection.3")); //$NON-NLS-1$ column2.setWidth("33%", "30px"); //$NON-NLS-1$ //$NON-NLS-2$ DynamicTableColumn column3 = new DynamicTableColumn(table, SWT.NONE); column3.setText(Resources.getMessage("DialogGeneralizationSelection.4")); //$NON-NLS-1$ column3.setWidth("33%", "30px"); //$NON-NLS-1$ //$NON-NLS-2$ column1.pack(); column2.pack(); column3.pack(); // Add for (String attribute : attributes) { TableItem item = new TableItem(table, SWT.NONE); int level = selection.get(attribute); item.setText(new String[] { attribute, String.valueOf(level), hierarchies.get(attribute)[0][level] }); } final Menu menu = new Menu(table); table.setMenu(menu); menu.addMenuListener(new MenuAdapter() { public void menuShown(MenuEvent e) { MenuItem[] items = menu.getItems(); for (int i = 0; i < items.length; i++) { items[i].dispose(); } if (attribute != null) { for (int i = 0; i < hierarchies.get(attribute)[0].length; i++) { MenuItem newItem = new MenuItem(menu, SWT.NONE); newItem.setText("Level " + i); final int level = i; newItem.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent arg0) { selection.put(attribute, level); item.setText(1, String.valueOf(level)); item.setText(2, hierarchies.get(attribute)[0][level]); } }); } } } }); table.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent arg0) { if (table.getSelectionIndex() != -1) { item = table.getItems()[table.getSelectionIndex()]; attribute = item.getText(0); } else { item = null; attribute = null; } } }); return parent; } @Override protected boolean isResizable() { return true; } }