/*
* ARX: Powerful Data Anonymization
* Copyright 2012 - 2017 Fabian Prasser, Florian Kohlmayer 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.risk;
import java.util.List;
import org.deidentifier.arx.gui.Controller;
import org.deidentifier.arx.gui.model.ModelEvent;
import org.deidentifier.arx.gui.model.ModelEvent.ModelPart;
import org.deidentifier.arx.gui.model.ModelRisk.ViewRiskType;
import org.deidentifier.arx.gui.resources.Resources;
import org.deidentifier.arx.gui.view.SWTUtil;
import org.deidentifier.arx.gui.view.impl.common.ClipboardHandlerTable;
import org.deidentifier.arx.gui.view.impl.common.ComponentStatusLabelProgressProvider;
import org.deidentifier.arx.gui.view.impl.common.async.Analysis;
import org.deidentifier.arx.gui.view.impl.common.async.AnalysisContext;
import org.deidentifier.arx.gui.view.impl.common.async.AnalysisManager;
import org.deidentifier.arx.risk.RiskEstimateBuilderInterruptible;
import org.deidentifier.arx.risk.RiskModelAttributes;
import org.deidentifier.arx.risk.RiskModelAttributes.QuasiIdentifierRisk;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import de.linearbits.swt.table.DynamicTable;
import de.linearbits.swt.table.DynamicTableColumn;
/**
* This view displays basic risk estimates.
*
* @author Fabian Prasser
* @author Maximilian Zitzmann
*/
public class ViewRisksQuasiIdentifiersTable extends ViewRisks<AnalysisContextRisk> {
/** View */
private DynamicTable table;
/** Internal stuff. */
private final AnalysisManager manager;
/**
* Creates a new instance.
*
* @param parent
* @param controller
* @param target
* @param reset
*/
public ViewRisksQuasiIdentifiersTable(final Composite parent,
final Controller controller,
final ModelPart target,
final ModelPart reset) {
super(parent, controller, target, reset);
controller.addListener(ModelPart.SELECTED_QUASI_IDENTIFIERS, this);
controller.addListener(ModelPart.POPULATION_MODEL, this);
this.manager = new AnalysisManager(parent.getDisplay());
}
@Override
public void update(ModelEvent event) {
super.update(event);
if (event.part == ModelPart.SELECTED_QUASI_IDENTIFIERS || event.part == ModelPart.POPULATION_MODEL) {
triggerUpdate();
}
}
/**
* Creates a table item
*
* @param risks
*/
private void createItem(QuasiIdentifierRisk risks) {
TableItem item = new TableItem(table, SWT.NONE);
List<String> list = risks.getIdentifier();
StringBuilder builder = new StringBuilder();
for (int i = 0; i < list.size(); i++) {
builder.append(list.get(i));
if (i < list.size() - 1) {
builder.append(", "); //$NON-NLS-1$
}
}
item.setText(0, builder.toString());
item.setData("1", risks.getDistinction()); //$NON-NLS-1$
item.setData("2", risks.getSeparation()); //$NON-NLS-1$
}
@Override
protected Control createControl(Composite parent) {
/* View */
Composite root = new Composite(parent, SWT.NONE);
root.setLayout(new FillLayout());
table = SWTUtil.createTableDynamic(root, SWT.SINGLE | SWT.BORDER |
SWT.V_SCROLL | SWT.FULL_SELECTION);
table.setHeaderVisible(true);
table.setLinesVisible(true);
table.setMenu(new ClipboardHandlerTable(table).getMenu());
DynamicTableColumn c = new DynamicTableColumn(table, SWT.LEFT);
c.setWidth("50%"); //$NON-NLS-1$ //$NON-NLS-2$
c.setText(Resources.getMessage("RiskAnalysis.19")); //$NON-NLS-1$
c.setResizable(true);
c = new DynamicTableColumn(table, SWT.LEFT);
SWTUtil.createColumnWithBarCharts(table, c);
c.setWidth("10%"); //$NON-NLS-1$ //$NON-NLS-2$
c.setText(Resources.getMessage("RiskAnalysis.43")); //$NON-NLS-1$
c.setResizable(true);
c = new DynamicTableColumn(table, SWT.LEFT);
SWTUtil.createColumnWithBarCharts(table, c);
c.setWidth("10%"); //$NON-NLS-1$ //$NON-NLS-2$
c.setText(Resources.getMessage("RiskAnalysis.44")); //$NON-NLS-1$
c.setResizable(true);
for (final TableColumn col : table.getColumns()) {
col.pack();
}
SWTUtil.createGenericTooltip(table);
return root;
}
@Override
protected AnalysisContextRisk createViewConfig(AnalysisContext context) {
return new AnalysisContextRisk(context);
}
@Override
protected void doReset() {
if (this.manager != null) {
this.manager.stop();
}
table.setRedraw(false);
for (final TableItem i : table.getItems()) {
i.dispose();
}
table.setRedraw(true);
setStatusEmpty();
}
@Override
protected void doUpdate(final AnalysisContextRisk context) {
// Enable/disable
final RiskEstimateBuilderInterruptible builder = getBuilder(context, context.context.getModel().getSelectedQuasiIdentifiers());
if (!this.isEnabled() || builder == null) {
if (manager != null) {
manager.stop();
}
this.setStatusEmpty();
return;
}
// Create an analysis
Analysis analysis = new Analysis() {
// The statistics builder
private boolean stopped = false;
private RiskModelAttributes risks;
@Override
public int getProgress() {
return builder.getProgress();
}
@Override
public void onError() {
setStatusEmpty();
}
@Override
public void onFinish() {
if (stopped || !isEnabled()) {
return;
}
// Disable drawing
table.setRedraw(false);
// Update chart
for (final TableItem i : table.getItems()) {
i.dispose();
}
// Create table items
for (QuasiIdentifierRisk item : risks.getAttributeRisks()) {
createItem(item);
}
// Pack columns
for (final TableColumn col : table.getColumns()) {
col.pack();
}
// Layout
table.layout();
// Enable drawing and redraw
table.setRedraw(true);
table.redraw();
// Update status
if (risks.getAttributeRisks().length == 0) {
setStatusEmpty();
} else {
setStatusDone();
}
}
@Override
public void onInterrupt() {
if (!isEnabled() || !isValid()) {
setStatusEmpty();
} else {
setStatusWorking();
}
}
@Override
public void run() throws InterruptedException {
// Timestamp
long time = System.currentTimeMillis();
risks = builder.getAttributeRisks();
// Our users are patient
while (System.currentTimeMillis() - time < MINIMAL_WORKING_TIME && !stopped) {
Thread.sleep(10);
}
}
@Override
public void stop() {
if (builder != null) builder.interrupt();
this.stopped = true;
}
};
this.manager.start(analysis);
}
@Override
protected ComponentStatusLabelProgressProvider getProgressProvider() {
return new ComponentStatusLabelProgressProvider() {
public int getProgress() {
if (manager == null) {
return 0;
} else {
return manager.getProgress();
}
}
};
}
@Override
protected ViewRiskType getViewType() {
return ViewRiskType.ATTRIBUTES;
}
/**
* Is an analysis running
*/
protected boolean isRunning() {
return manager != null && manager.isRunning();
}
}