edu.cmu.tetradapp.editor.RegressionParamsEditorPanel Maven / Gradle / Ivy
///////////////////////////////////////////////////////////////////////////////
// For information as to what this class does, see the Javadoc, below. //
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, //
// 2007, 2008, 2009, 2010, 2014, 2015, 2022 by Peter Spirtes, Richard //
// Scheines, Joseph Ramsey, and Clark Glymour. //
// //
// 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 2 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, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
///////////////////////////////////////////////////////////////////////////////
package edu.cmu.tetradapp.editor;
import edu.cmu.tetrad.data.DataModel;
import edu.cmu.tetrad.data.DataSet;
import edu.cmu.tetrad.data.DataUtils;
import edu.cmu.tetrad.data.DiscreteVariable;
import edu.cmu.tetrad.graph.Node;
import edu.cmu.tetrad.util.NumberFormatUtil;
import edu.cmu.tetrad.util.Parameters;
import edu.cmu.tetradapp.model.RegressionModel;
import edu.cmu.tetradapp.util.DoubleTextField;
import edu.cmu.tetradapp.workbench.LayoutUtils;
import javax.swing.*;
import java.awt.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.*;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.io.IOException;
import java.util.List;
import java.util.*;
/**
* Allows one to drop/drap variables from a source list to a response area and a predictors list. Also lets one specify
* an alpha level.
*
* @author Tyler Gibson
*/
@SuppressWarnings("unchecked")
class RegressionParamsEditorPanel extends JPanel {
private static final long serialVersionUID = -194301447990323529L;
/**
* A mapping between variable names and what sort of variable they are: 1 - binary, 2- discrete, 3 - continuous.
*/
private static final Map VAR_MAP = new HashMap<>();
/**
* The font to render fields in.
*/
private static final Font FONT = new Font("Dialog", Font.PLAIN, 12);
/**
* The list of predictors.
*/
private static JList PREDICTORS_LIST;
/**
* The list of source variables.
*/
private static JList SOURCE_LIST;
/**
* A list with a single item in it for the response variable.
*/
private static JTextField RESPONSE_FIELD;
private final boolean logistic;
private final RegressionModel regressionModel;
/**
* The params that are being edited.
*/
private final Parameters params;
/**
* Constructs the editor given the Parameters and the
* DataModel that should be used.
*/
public RegressionParamsEditorPanel(RegressionModel regressionModel, Parameters parameters,
DataModel model, boolean logistic) {
this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
if (parameters == null) {
throw new NullPointerException("The given params must not be null");
}
this.params = parameters;
this.logistic = logistic;
List variableNames = regressionModel.getVariableNames();
this.regressionModel = regressionModel;
// create components
RegressionParamsEditorPanel.PREDICTORS_LIST = RegressionParamsEditorPanel.createList();
VariableListModel predictorsModel = (VariableListModel) RegressionParamsEditorPanel.getPredictorsList().getModel();
RegressionParamsEditorPanel.SOURCE_LIST = RegressionParamsEditorPanel.createList();
if (logistic && model instanceof DataSet) {
buildMap((DataSet) model);
RegressionParamsEditorPanel.getSourceList().setCellRenderer(new LogisticRegRenderer());
}
VariableListModel variableModel = (VariableListModel) RegressionParamsEditorPanel.getSourceList().getModel();
RegressionParamsEditorPanel.RESPONSE_FIELD = createResponse(RegressionParamsEditorPanel.getSourceList());
// if regressors are already set use'em.
List regressors = regressionModel.getRegressorNames();
if (regressors != null) {
predictorsModel.addAll(regressors);
List initVars = new ArrayList<>(variableNames);
initVars.removeAll(regressors);
variableModel.addAll(initVars);
} else {
variableModel.addAll(variableNames);
}
// if target is set use it too
String target = regressionModel.getTargetName();
if (target != null) {
variableModel.remove(target);
// response.setText(target);
}
// deal with drag and drop
new DropTarget(RegressionParamsEditorPanel.getSourceList(), DnDConstants.ACTION_MOVE, new TargetListener(), true);
new DropTarget(RegressionParamsEditorPanel.getResponseField(), DnDConstants.ACTION_MOVE, new TargetListener(), true);
new DropTarget(RegressionParamsEditorPanel.getPredictorsList(), DnDConstants.ACTION_MOVE, new TargetListener(), true);
DragSource dragSource = DragSource.getDefaultDragSource();
dragSource.createDefaultDragGestureRecognizer(RegressionParamsEditorPanel.getResponseField(), DnDConstants.ACTION_MOVE, new SourceListener());
dragSource = DragSource.getDefaultDragSource();
dragSource.createDefaultDragGestureRecognizer(RegressionParamsEditorPanel.getSourceList(), DnDConstants.ACTION_MOVE, new SourceListener());
dragSource = DragSource.getDefaultDragSource();
dragSource.createDefaultDragGestureRecognizer(RegressionParamsEditorPanel.getPredictorsList(), DnDConstants.ACTION_MOVE, new SourceListener());
// build the gui
Box box = Box.createHorizontalBox();
box.add(Box.createHorizontalStrut(10));
Box label = RegressionParamsEditorPanel.createLabel("Variables:");
int height = label.getPreferredSize().height + RegressionParamsEditorPanel.getResponseField().getPreferredSize().height + 10;
Box vBox1 = Box.createVerticalBox();
vBox1.add(label);
JScrollPane pane = RegressionParamsEditorPanel.createScrollPane(RegressionParamsEditorPanel.getSourceList(), new Dimension(100, 350 + height));
vBox1.add(pane);
vBox1.add(Box.createVerticalStrut(10));
vBox1.add(buildAlphaArea(this.params.getDouble("alpha", 0.001)));
vBox1.add(Box.createVerticalStrut(10));
vBox1.add(buildSortButton());
vBox1.add(Box.createVerticalGlue());
box.add(vBox1);
box.add(Box.createHorizontalStrut(4));
box.add(buildSelectorArea(label.getPreferredSize().height));
box.add(Box.createHorizontalStrut(4));
Box vBox = Box.createVerticalBox();
vBox.add(RegressionParamsEditorPanel.createLabel("Response:"));
vBox.add(RegressionParamsEditorPanel.getResponseField());
vBox.add(Box.createVerticalStrut(10));
vBox.add(RegressionParamsEditorPanel.createLabel("Predictor(s):"));
vBox.add(RegressionParamsEditorPanel.createScrollPane(RegressionParamsEditorPanel.getPredictorsList(), new Dimension(100, 350)));
vBox.add(Box.createVerticalGlue());
box.add(vBox);
box.add(Box.createHorizontalStrut(10));
box.add(Box.createHorizontalGlue());
this.add(Box.createVerticalStrut(20));
this.add(box);
}
//============================= Private Methods =================================//
private static List getSelected(JList list) {
List selected = list.getSelectedValuesList();
List selectedList = new ArrayList<>(selected == null ? 0 : selected.size());
if (selected != null) {
for (Object o : selected) {
selectedList.add((Comparable) o);
}
}
return selectedList;
}
private static JScrollPane createScrollPane(JList comp, Dimension dim) {
JScrollPane pane = new JScrollPane(comp);
LayoutUtils.setAllSizes(pane, dim);
return pane;
}
private static Box createLabel(String text) {
JLabel label = new JLabel(text);
label.setAlignmentX(Component.LEFT_ALIGNMENT);
Box box = Box.createHorizontalBox();
box.add(label);
box.add(Box.createHorizontalGlue());
return box;
}
private static JList createList() {
JList list = new JList(new VariableListModel());
list.setFont(RegressionParamsEditorPanel.getFONT());
list.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
list.setVisibleRowCount(10);
return list;
}
private static DataFlavor getListDataFlavor() {
try {
return new DataFlavor(DataFlavor.javaJVMLocalObjectMimeType + "; class=java.lang.Object",
"Local Variable List");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
private static Map getVarMap() {
return RegressionParamsEditorPanel.VAR_MAP;
}
private static JList getPredictorsList() {
return RegressionParamsEditorPanel.PREDICTORS_LIST;
}
private static JList getSourceList() {
return RegressionParamsEditorPanel.SOURCE_LIST;
}
private static JTextField getResponseField() {
return RegressionParamsEditorPanel.RESPONSE_FIELD;
}
private static Font getFONT() {
return RegressionParamsEditorPanel.FONT;
}
/**
* Bulids the arrows that allow one to move variables around (can also use drag and drop)
*/
private Box buildSelectorArea(int startHeight) {
Box box = Box.createVerticalBox();
JButton moveToResponse = new JButton(">");
JButton moveToPredictor = new JButton(">");
JButton moveToSource = new JButton("<");
moveToResponse.addActionListener((e) -> {
VariableListModel sourceModel = (VariableListModel) RegressionParamsEditorPanel.getSourceList().getModel();
String target = RegressionParamsEditorPanel.getResponseField().getText();
List selected = RegressionParamsEditorPanel.getSelected(RegressionParamsEditorPanel.getSourceList());
if (selected.isEmpty()) {
return;
} else if (1 < selected.size()) {
JOptionPane.showMessageDialog(this, "Cannot have more than one response variable");
return;
} else if (this.logistic && !isBinary((String) selected.get(0))) {
JOptionPane.showMessageDialog(this,
"Response variable must be binary.");
return;
}
sourceModel.removeAll(selected);
RegressionParamsEditorPanel.getResponseField().setText((String) selected.get(0));
RegressionParamsEditorPanel.getResponseField().setCaretPosition(0);
this.regressionModel.setTargetName((String) selected.get(0));
if (target != null && target.length() != 0) {
sourceModel.add(target);
}
});
moveToPredictor.addActionListener((e) -> {
VariableListModel predictorsModel = (VariableListModel) RegressionParamsEditorPanel.getPredictorsList().getModel();
VariableListModel sourceModel = (VariableListModel) RegressionParamsEditorPanel.getSourceList().getModel();
List selected = RegressionParamsEditorPanel.getSelected(RegressionParamsEditorPanel.getSourceList());
sourceModel.removeAll(selected);
predictorsModel.addAll(selected);
this.regressionModel.setRegressorName(getPredictors());
});
moveToSource.addActionListener((e) -> {
VariableListModel predictorsModel = (VariableListModel) RegressionParamsEditorPanel.getPredictorsList().getModel();
VariableListModel sourceModel = (VariableListModel) RegressionParamsEditorPanel.getSourceList().getModel();
List selected = RegressionParamsEditorPanel.getSelected(RegressionParamsEditorPanel.getPredictorsList());
// if not empty remove/add, otherwise try the response list.
if (!selected.isEmpty()) {
predictorsModel.removeAll(selected);
sourceModel.addAll(selected);
this.regressionModel.setRegressorName(getPredictors());
} else if (RegressionParamsEditorPanel.getResponseField().getText() != null && RegressionParamsEditorPanel.getResponseField().getText().length() != 0) {
String text = RegressionParamsEditorPanel.getResponseField().getText();
this.regressionModel.setTargetName(null);
RegressionParamsEditorPanel.getResponseField().setText(null);
sourceModel.addAll(Collections.singletonList(text));
}
});
box.add(Box.createVerticalStrut(startHeight));
box.add(moveToResponse);
box.add(Box.createVerticalStrut(150));
box.add(moveToPredictor);
box.add(Box.createVerticalStrut(10));
box.add(moveToSource);
box.add(Box.createVerticalGlue());
return box;
}
private Box buildSortButton() {
JButton sort = new JButton("Sort Variables");
sort.setFont(sort.getFont().deriveFont(11f));
sort.setMargin(new Insets(3, 3, 3, 3));
sort.addActionListener((e) -> {
VariableListModel predictorsModel = (VariableListModel) RegressionParamsEditorPanel.getPredictorsList().getModel();
VariableListModel sourceModel = (VariableListModel) RegressionParamsEditorPanel.getSourceList().getModel();
predictorsModel.sort();
sourceModel.sort();
});
Box box = Box.createHorizontalBox();
box.add(sort);
box.add(Box.createHorizontalGlue());
return box;
}
private Box buildAlphaArea(double alpha) {
DoubleTextField field = new DoubleTextField(alpha, 4, NumberFormatUtil.getInstance().getNumberFormat());
field.setFilter((value, oldValue) -> {
if (0.0 <= value && value <= 1.0) {
this.params.set("alpha", value);
this.firePropertyChange("significanceChanged", oldValue, value);
return value;
}
return oldValue;
});
Box box = Box.createHorizontalBox();
box.add(new JLabel("Alpha: "));
box.add(field);
box.add(Box.createHorizontalGlue());
return box;
}
private void buildMap(DataSet model) {
for (Node node : model.getVariables()) {
if (DataUtils.isBinary(model, model.getColumn(node))) {
RegressionParamsEditorPanel.getVarMap().put(node.getName(), 1);
} else if (node instanceof DiscreteVariable) {
RegressionParamsEditorPanel.getVarMap().put(node.getName(), 2);
} else {
RegressionParamsEditorPanel.getVarMap().put(node.getName(), 3);
}
}
}
private JTextField createResponse(JList list) {
JTextField pane = new JTextField();
pane.setFont(RegressionParamsEditorPanel.getFONT());
pane.setFocusable(true);
pane.setEditable(false);
pane.setBackground(list.getBackground());
String target = this.regressionModel.getTargetName();
if (target != null) {
pane.setText(target);
} else {
pane.setText("Hello");
}
pane.setCaretPosition(0);
LayoutUtils.setAllSizes(pane, new Dimension(100, pane.getPreferredSize().height));
if (target == null) {
pane.setText(null);
}
pane.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
RegressionParamsEditorPanel.getPredictorsList().clearSelection();
}
});
return pane;
}
private List getPredictors() {
ListModel model = RegressionParamsEditorPanel.getPredictorsList().getModel();
List predictors = new ArrayList<>();
for (int i = 0; i < model.getSize(); i++) {
predictors.add((String) model.getElementAt(i));
}
return predictors;
}
private void addToSource(String var) {
VariableListModel model = (VariableListModel) RegressionParamsEditorPanel.getSourceList().getModel();
model.add(var);
}
private boolean isBinary(String node) {
int i = RegressionParamsEditorPanel.getVarMap().get(node);
return i == 1;
}
//========================== Inner classes (a lot of'em) =========================================//
public Parameters getParams() {
return this.params;
}
/**
* A renderer that adds info about whether a variable is binary or not.
*/
private static class LogisticRegRenderer extends DefaultListCellRenderer {
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
String var = (String) value;
if (var == null) {
setText(" ");
return this;
}
int binary = RegressionParamsEditorPanel.getVarMap().get(var);
if (binary == 1) {
var += " (Binary)";
} else if (binary == 2) {
var += " (Discrete)";
} else if (binary == 3) {
var += " (Continuous)";
}
setText(var);
if (isSelected) {
setBackground(list.getSelectionBackground());
setForeground(list.getSelectionForeground());
} else {
setBackground(list.getBackground());
setForeground(list.getForeground());
}
return this;
}
}
/**
* A basic model for the list (needed an addAll feature, which the detault model didn't have)
*/
private static class VariableListModel extends AbstractListModel {
private final Vector delegate = new Vector<>();
public int getSize() {
return this.delegate.size();
}
public Object getElementAt(int index) {
return this.delegate.get(index);
}
public void remove(Comparable element) {
int index = this.delegate.indexOf(element);
if (0 <= index) {
this.delegate.remove(index);
this.fireIntervalRemoved(this, index, index);
}
}
public void add(Comparable element) {
this.delegate.add(element);
this.fireIntervalAdded(this, this.delegate.size(), this.delegate.size());
}
public void removeFirst(Comparable element) {
this.delegate.removeElement(element);
this.fireContentsChanged(this, 0, this.delegate.size());
}
public void removeAll(List elements) {
this.delegate.removeAll(elements);
this.fireContentsChanged(this, 0, this.delegate.size());
}
public void addAll(List elements) {
this.delegate.addAll(elements);
this.fireContentsChanged(this, 0, this.delegate.size());
}
public void removeAll() {
this.delegate.clear();
this.fireContentsChanged(this, 0, 0);
}
public void sort() {
Collections.sort(this.delegate);
this.fireContentsChanged(this, 0, this.delegate.size());
}
}
/**
* A basic transferable.
*/
private static class ListTransferable implements Transferable {
private static final DataFlavor FLAVOR = RegressionParamsEditorPanel.getListDataFlavor();
private final List object;
public ListTransferable(List object) {
if (object == null) {
throw new NullPointerException();
}
this.object = object;
}
public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[]{ListTransferable.FLAVOR};
}
public boolean isDataFlavorSupported(DataFlavor flavor) {
return flavor == ListTransferable.FLAVOR;
}
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
if (ListTransferable.FLAVOR != flavor) {
throw new UnsupportedFlavorException(flavor);
}
return this.object;
}
}
private class TargetListener extends DropTargetAdapter {
public void drop(DropTargetDropEvent dtde) {
Transferable t = dtde.getTransferable();
Component comp = dtde.getDropTargetContext().getComponent();
if (comp instanceof JList || comp instanceof JTextField) {
try {
// if response, remove everything first
if (comp == RegressionParamsEditorPanel.getResponseField()) {
String var = RegressionParamsEditorPanel.getResponseField().getText();
if (var != null && var.length() != 0) {
addToSource(var);
}
List vars = (List) t.getTransferData(ListTransferable.FLAVOR);
if (vars.isEmpty()) {
dtde.rejectDrop();
return;
} else if (1 < vars.size()) {
JOptionPane.showMessageDialog(RegressionParamsEditorPanel.this,
"There can only be one response variable.");
dtde.rejectDrop();
return;
} else if (RegressionParamsEditorPanel.this.logistic && !isBinary((String) vars.get(0))) {
JOptionPane.showMessageDialog(RegressionParamsEditorPanel.this,
"The response variable must be binary");
dtde.rejectDrop();
return;
}
RegressionParamsEditorPanel.getResponseField().setText((String) vars.get(0));
RegressionParamsEditorPanel.getResponseField().setCaretPosition(0);
} else {
JList list = (JList) comp;
VariableListModel model = (VariableListModel) list.getModel();
List vars = (List) t.getTransferData(ListTransferable.FLAVOR);
model.addAll(vars);
}
RegressionParamsEditorPanel.this.regressionModel.setTargetName(RegressionParamsEditorPanel.getResponseField().getText());
RegressionParamsEditorPanel.this.regressionModel.setRegressorName(getPredictors());
dtde.getDropTargetContext().dropComplete(true);
} catch (Exception ex) {
dtde.rejectDrop();
ex.printStackTrace();
}
} else {
dtde.rejectDrop();
}
}
}
/**
* A source/gesture listener for the JLists
*/
private class SourceListener extends DragSourceAdapter implements DragGestureListener {
public void dragDropEnd(DragSourceDropEvent evt) {
if (evt.getDropSuccess()) {
Component comp = evt.getDragSourceContext().getComponent();
Transferable t = evt.getDragSourceContext().getTransferable();
if (t instanceof ListTransferable) {
try {
//noinspection unchecked
List o = (List) t.getTransferData(ListTransferable.FLAVOR);
if (comp instanceof JList) {
JList list = (JList) comp;
VariableListModel model = (VariableListModel) list.getModel();
for (Comparable c : o) {
model.removeFirst(c);
}
} else {
JTextField pane = (JTextField) comp;
pane.setText(null);
}
RegressionParamsEditorPanel.this.regressionModel.setTargetName(RegressionParamsEditorPanel.getResponseField().getText());
RegressionParamsEditorPanel.this.regressionModel.setRegressorName(getPredictors());
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
public void dragGestureRecognized(DragGestureEvent dge) {
Component comp = dge.getComponent();
List selected = null;
if (comp instanceof JList) {
JList list = (JList) comp;
selected = list.getSelectedValuesList();
} else {
JTextField pane = (JTextField) comp;
String text = pane.getText();
if (text != null && text.length() != 0) {
selected = Collections.singletonList(text);
}
}
if (selected != null) {
ListTransferable t = new ListTransferable(Collections.singletonList(selected));
dge.startDrag(DragSource.DefaultMoveDrop, t, this);
}
}
}
}
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