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org.datacleaner.widgets.result.ValueDistributionResultSwingRendererGroupDelegate Maven / Gradle / Ivy
/**
* DataCleaner (community edition)
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.datacleaner.widgets.result;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Insets;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JSplitPane;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import org.datacleaner.api.AnalyzerResult;
import org.datacleaner.bootstrap.WindowContext;
import org.datacleaner.panels.DCPanel;
import org.datacleaner.result.AnnotatedRowsResult;
import org.datacleaner.result.ValueCountingAnalyzerResult;
import org.datacleaner.result.ValueFrequency;
import org.datacleaner.result.renderer.RendererFactory;
import org.datacleaner.util.ChartUtils;
import org.datacleaner.util.IconUtils;
import org.datacleaner.util.LabelUtils;
import org.datacleaner.util.WidgetFactory;
import org.datacleaner.util.WidgetUtils;
import org.datacleaner.widgets.Alignment;
import org.datacleaner.widgets.table.DCTable;
import org.datacleaner.windows.DetailsResultWindow;
import org.jdesktop.swingx.VerticalLayout;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.title.ShortTextTitle;
import org.jfree.chart.title.Title;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Delegate for {@link ValueDistributionResultSwingRenderer}, which renders a
* single Value Distribution group result.
*/
final class ValueDistributionResultSwingRendererGroupDelegate {
private static final Logger logger =
LoggerFactory.getLogger(ValueDistributionResultSwingRendererGroupDelegate.class);
private static final Color[] SLICE_COLORS = DCDrawingSupplier.DEFAULT_FILL_COLORS;
private static final int DEFAULT_PREFERRED_SLICES = 32;
private final DefaultCategoryDataset _dataset = new DefaultCategoryDataset();
private final Map _valueColorMap;
private final JButton _backButton = WidgetFactory.createDefaultButton("Back", IconUtils.ACTION_BACK);
private final int _preferredSlices;
private final String _groupOrColumnName;
private final DCTable _table;
private final RendererFactory _rendererFactory;
private final WindowContext _windowContext;
private final DCPanel _rightPanel = new DCPanel();
private Collection _valueCounts;
/**
* Default constructor
*/
public ValueDistributionResultSwingRendererGroupDelegate(final String groupOrColumnName,
final RendererFactory rendererFactory, final WindowContext windowContext) {
this(groupOrColumnName, DEFAULT_PREFERRED_SLICES, rendererFactory, windowContext);
}
/**
* Alternative constructor (primarily used for testing) with customizable
* slice count
*
* @param groupOrColumnName
* @param preferredSlices
* @param rendererFactory
* @param windowContext
*/
public ValueDistributionResultSwingRendererGroupDelegate(final String groupOrColumnName, final int preferredSlices,
final RendererFactory rendererFactory, final WindowContext windowContext) {
_groupOrColumnName = groupOrColumnName;
_preferredSlices = preferredSlices;
_rendererFactory = rendererFactory;
_windowContext = windowContext;
_table = new DCTable("Value", LabelUtils.COUNT_LABEL);
_table.setColumnControlVisible(false);
_table.setRowHeight(22);
// create a map of predefined color mappings
_valueColorMap = new HashMap<>();
_valueColorMap.put(LabelUtils.BLANK_LABEL.toUpperCase(), WidgetUtils.BG_COLOR_BRIGHTEST);
_valueColorMap.put(LabelUtils.UNIQUE_LABEL.toUpperCase(), WidgetUtils.BG_COLOR_BRIGHT);
_valueColorMap.put(LabelUtils.NULL_LABEL.toUpperCase(), WidgetUtils.BG_COLOR_DARKEST);
_valueColorMap.put(LabelUtils.UNEXPECTED_LABEL.toUpperCase(), WidgetUtils.BG_COLOR_LESS_DARK);
_valueColorMap.put("RED", WidgetUtils.ADDITIONAL_COLOR_RED_BRIGHT);
_valueColorMap.put("ORANGE", WidgetUtils.BG_COLOR_ORANGE_BRIGHT);
_valueColorMap.put("GREEN", WidgetUtils.BG_COLOR_GREEN_BRIGHT);
_valueColorMap.put("PURPLE", WidgetUtils.ADDITIONAL_COLOR_PURPLE_BRIGHT);
_valueColorMap.put("CYAN", WidgetUtils.ADDITIONAL_COLOR_CYAN_BRIGHT);
_valueColorMap.put("BLUE", WidgetUtils.BG_COLOR_BLUE_BRIGHT);
_valueColorMap.put("GREY", WidgetUtils.BG_COLOR_MEDIUM);
_valueColorMap.put("GRAY", WidgetUtils.BG_COLOR_MEDIUM);
_valueColorMap.put("NOT_PROCESSED", WidgetUtils.BG_COLOR_LESS_DARK);
_valueColorMap.put("FAILURE", WidgetUtils.BG_COLOR_DARKEST);
}
public JComponent renderGroupResult(final ValueCountingAnalyzerResult result) {
_valueCounts = result.getReducedValueFrequencies(_preferredSlices);
_valueCounts = moveUniqueToEnd(_valueCounts);
for (final ValueFrequency valueCount : _valueCounts) {
setDataSetValue(valueCount.getName(), valueCount.getCount());
}
final ChartPanel chartPanel = createChartPanel(result);
logger.info("Rendering with {} slices", getDataSetItemCount());
drillToOverview(result);
_backButton.setMargin(new Insets(0, 0, 0, 0));
_backButton.addActionListener(e -> drillToOverview(result));
_rightPanel.setLayout(new VerticalLayout());
_rightPanel.add(_backButton);
_rightPanel.add(WidgetUtils.decorateWithShadow(_table.toPanel()));
if (chartPanel == null) {
return _rightPanel;
} else {
final DCPanel leftPanel = new DCPanel();
leftPanel.setLayout(new VerticalLayout());
leftPanel.add(WidgetUtils.decorateWithShadow(chartPanel));
final JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
split.setOpaque(false);
split.add(leftPanel);
split.add(_rightPanel);
split.setDividerLocation(550);
return split;
}
}
/**
* Creates a chart panel, or null if chart display is not applicable.
*
* @param result
* @return
*/
private ChartPanel createChartPanel(final ValueCountingAnalyzerResult result) {
if (_valueCounts.size() > ChartUtils.CATEGORY_COUNT_DISPLAY_THRESHOLD) {
logger.info("Display threshold of {} in chart surpassed (got {}). Skipping chart.",
ChartUtils.CATEGORY_COUNT_DISPLAY_THRESHOLD, _valueCounts.size());
return null;
}
final Integer distinctCount = result.getDistinctCount();
final Integer unexpectedValueCount = result.getUnexpectedValueCount();
final int totalCount = result.getTotalCount();
// chart for display of the dataset
final String title = "Value distribution of " + _groupOrColumnName;
final JFreeChart chart = ChartFactory
.createBarChart(title, "Value", "Count", _dataset, PlotOrientation.HORIZONTAL, true, true, false);
final List titles = new ArrayList<>();
titles.add(new ShortTextTitle("Total count: " + totalCount));
if (distinctCount != null) {
titles.add(new ShortTextTitle("Distinct count: " + distinctCount));
}
if (unexpectedValueCount != null) {
titles.add(new ShortTextTitle("Unexpected value count: " + unexpectedValueCount));
}
chart.setSubtitles(titles);
ChartUtils.applyStyles(chart);
// code-block for tweaking style and coloring of chart
{
final CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.getDomainAxis().setVisible(false);
int colorIndex = 0;
for (int i = 0; i < getDataSetItemCount(); i++) {
final String key = getDataSetKey(i);
final Color color;
final String upperCaseKey = key.toUpperCase();
if (_valueColorMap.containsKey(upperCaseKey)) {
color = _valueColorMap.get(upperCaseKey);
} else {
if (i == getDataSetItemCount() - 1) {
// the last color should not be the same as the first
if (colorIndex == 0) {
colorIndex++;
}
}
Color colorCandidate = SLICE_COLORS[colorIndex];
final int darkAmount = i / SLICE_COLORS.length;
for (int j = 0; j < darkAmount; j++) {
colorCandidate = WidgetUtils.slightlyDarker(colorCandidate);
}
color = colorCandidate;
colorIndex++;
if (colorIndex >= SLICE_COLORS.length) {
colorIndex = 0;
}
}
plot.getRenderer().setSeriesPaint(i, color);
}
}
return ChartUtils.createPanel(chart, false);
}
private Collection<ValueFrequency> moveUniqueToEnd(final Collection<ValueFrequency> valueCounts) {
ValueFrequency uniqueValueFrequency = null;
for (final ValueFrequency valueFrequency : valueCounts) {
if ("<unique>".equals(valueFrequency.getName())) {
uniqueValueFrequency = valueFrequency;
break;
}
}
if (uniqueValueFrequency != null) {
final List<ValueFrequency> valueCountsList = new ArrayList<>(valueCounts);
valueCountsList.remove(uniqueValueFrequency);
valueCountsList.add(uniqueValueFrequency);
return valueCountsList;
} else {
return valueCounts;
}
}
public CategoryDataset getDataset() {
return _dataset;
}
private void drillToOverview(final ValueCountingAnalyzerResult result) {
final TableModel model =
new DefaultTableModel(new String[] { "Value", LabelUtils.COUNT_LABEL }, _valueCounts.size());
int i = 0;
for (final ValueFrequency valueFreq : _valueCounts) {
final String key = valueFreq.getName();
final int count = valueFreq.getCount();
model.setValueAt(key, i, 0);
if (valueFreq.isComposite() && valueFreq.getChildren() != null && !valueFreq.getChildren().isEmpty()) {
final DCPanel panel = new DCPanel();
panel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
final JLabel label = new JLabel(count + "");
final JButton button = WidgetFactory.createSmallButton(IconUtils.ACTION_DRILL_TO_DETAIL);
button.addActionListener(e -> drillToGroup(result, valueFreq, true));
panel.add(label);
panel.add(Box.createHorizontalStrut(4));
panel.add(button);
model.setValueAt(panel, i, 1);
} else {
setCountValue(result, model, i, valueFreq);
}
i++;
}
_table.setModel(model);
_backButton.setVisible(false);
_rightPanel.updateUI();
}
protected void setDataSetValue(final String label, final Integer value) {
_dataset.setValue(value, label, "");
}
protected int getDataSetValue(final int index) {
return _dataset.getValue(index, 0).intValue();
}
public int getDataSetValue(final String label) {
return _dataset.getValue(label, "").intValue();
}
protected String getDataSetKey(final int index) {
final Comparable<?> key = _dataset.getRowKey(index);
assert key instanceof String;
return key.toString();
}
protected int getDataSetItemCount() {
return _dataset.getRowCount();
}
private void setCountValue(final ValueCountingAnalyzerResult result, final TableModel model, final int index,
final ValueFrequency vc) {
final String value = vc.getName();
final int count = vc.getCount();
final boolean hasAnnotation;
final boolean isNullValue = value == null || LabelUtils.NULL_LABEL.equals(value);
final boolean isUnexpectedValues = LabelUtils.UNEXPECTED_LABEL.equals(value);
final boolean isBlank = "".equals(value) || LabelUtils.BLANK_LABEL.equals(value);
if (count == 0) {
hasAnnotation = false;
} else {
if (isNullValue) {
hasAnnotation = result.hasAnnotatedRows(null);
} else if (isUnexpectedValues) {
hasAnnotation = result.hasAnnotatedRows(null);
} else if (isBlank) {
hasAnnotation = result.hasAnnotatedRows("");
} else {
hasAnnotation = result.hasAnnotatedRows(value);
}
}
if (hasAnnotation) {
final ActionListener action = action1 -> {
final String title = "Detailed results for [" + value + "]";
final List<AnalyzerResult> results = new ArrayList<>();
final AnnotatedRowsResult annotatedRows;
if (isNullValue) {
annotatedRows = result.getAnnotatedRowsForNull();
} else if (isUnexpectedValues) {
annotatedRows = result.getAnnotatedRowsForUnexpectedValues();
} else if (isBlank) {
annotatedRows = result.getAnnotatedRowsForValue("");
} else {
annotatedRows = result.getAnnotatedRowsForValue(value);
}
results.add(annotatedRows);
final DetailsResultWindow window =
new DetailsResultWindow(title, results, _windowContext, _rendererFactory);
window.setVisible(true);
};
final DCPanel panel = AbstractCrosstabResultSwingRenderer
.createActionableValuePanel(count, Alignment.LEFT, action, IconUtils.ACTION_DRILL_TO_DETAIL);
model.setValueAt(panel, index, 1);
} else {
model.setValueAt(count, index, 1);
}
}
private void drillToGroup(final ValueCountingAnalyzerResult result, final ValueFrequency valueFrequency,
final boolean showBackButton) {
final List<ValueFrequency> children = valueFrequency.getChildren();
final TableModel model =
new DefaultTableModel(new String[] { valueFrequency.getName() + " value", LabelUtils.COUNT_LABEL },
children.size());
final Iterator<ValueFrequency> valueCounts = children.iterator();
int i = 0;
while (valueCounts.hasNext()) {
final ValueFrequency vc = valueCounts.next();
model.setValueAt(LabelUtils.getLabel(vc.getValue()), i, 0);
setCountValue(result, model, i, vc);
i++;
}
_table.setModel(model);
_backButton.setVisible(showBackButton);
_rightPanel.updateUI();
}
}
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