src/main/java/org/pdf/forms/gui/properties/object/field/RadioButtonFieldPanel.java
package org.pdf.forms.gui.properties.object.field;
import static java.util.stream.Collectors.toUnmodifiableList;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import javax.swing.*;
import org.jdesktop.layout.GroupLayout;
import org.jdesktop.layout.LayoutStyle;
import org.pdf.forms.document.Page;
import org.pdf.forms.gui.IMainFrame;
import org.pdf.forms.gui.designer.IDesigner;
import org.pdf.forms.gui.windows.RadioButtonGroupOrganiser;
import org.pdf.forms.widgets.ButtonGroup;
import org.pdf.forms.widgets.IWidget;
import org.pdf.forms.widgets.RadioButtonWidget;
public class RadioButtonFieldPanel extends JPanel {
private static final String[] APPEARANCES = {
"None",
"Underline",
"Solid",
"Sunken Box",
"Custom..."
};
private final IDesigner designerPanel;
private Set<IWidget> widgets;
private List<ButtonGroup> buttonGroups;
private JComboBox<String> buttonGroupBox;
public RadioButtonFieldPanel(final IDesigner designerPanel) {
this.designerPanel = designerPanel;
initComponents();
}
private void initComponents() {
final JComboBox<String> appearanceBox = new JComboBox<>(APPEARANCES);
appearanceBox.setEnabled(false);
final JLabel appearanceLabel = new JLabel("Appearance:");
appearanceLabel.setEnabled(false);
final JLabel radioButtonGroupLabel = new JLabel("Radio Button Group:");
buttonGroupBox = new JComboBox<>();
buttonGroupBox.addActionListener(this::updateButtonGroup);
final JButton organiseButton = new JButton("Organise");
organiseButton.addActionListener(this::organiseClicked);
final GroupLayout layout = new GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.addContainerGap()
.add(layout.createParallelGroup(GroupLayout.LEADING, false)
.add(layout.createSequentialGroup()
.add(appearanceLabel)
.addPreferredGap(LayoutStyle.RELATED)
.add(appearanceBox,
GroupLayout.PREFERRED_SIZE,
190,
GroupLayout.PREFERRED_SIZE))
.add(layout.createSequentialGroup()
.add(radioButtonGroupLabel)
.addPreferredGap(LayoutStyle.RELATED)
.add(layout.createParallelGroup(GroupLayout.LEADING)
.add(organiseButton)
.add(buttonGroupBox,
0,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))))
.addContainerGap(140, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.addContainerGap()
.add(layout.createParallelGroup(GroupLayout.BASELINE)
.add(appearanceLabel)
.add(appearanceBox,
GroupLayout.PREFERRED_SIZE,
GroupLayout.DEFAULT_SIZE,
GroupLayout.PREFERRED_SIZE))
.addPreferredGap(LayoutStyle.RELATED)
.add(layout.createParallelGroup(GroupLayout.BASELINE)
.add(radioButtonGroupLabel)
.add(buttonGroupBox,
GroupLayout.PREFERRED_SIZE,
GroupLayout.DEFAULT_SIZE,
GroupLayout.PREFERRED_SIZE))
.addPreferredGap(LayoutStyle.RELATED)
.add(organiseButton)
.addContainerGap(214, Short.MAX_VALUE))
);
}
private void organiseClicked(final ActionEvent event) {
final IMainFrame mainFrame = designerPanel.getMainFrame();
final List<IWidget> widgets = mainFrame.getFormsDocument().getPage(mainFrame.getCurrentPage()).getWidgets();
final JDialog dialog = new JDialog();
final RadioButtonGroupOrganiser buttonGroupOrganiser = new RadioButtonGroupOrganiser(dialog,
buttonGroups,
widgets);
dialog.getContentPane().add(buttonGroupOrganiser);
dialog.setModal(true);
dialog.pack();
dialog.setLocationRelativeTo((JFrame) mainFrame);
dialog.setVisible(true);
populateButtonGroups();
setProperties(this.widgets);
}
private void updateButtonGroup(final ActionEvent event) {
widgets.stream()
.map(widget -> (RadioButtonWidget) widget)
.forEach(radioButtonWidget -> {
radioButtonWidget.setRadioButtonGroupName((String) buttonGroupBox.getSelectedItem());
radioButtonWidget.getWidgetModel().getProperties().getObject().getValue().setDefault("Off");
});
designerPanel.repaint();
}
public void setProperties(final Set<IWidget> widgets) {
this.widgets = widgets;
final IMainFrame mainFrame = designerPanel.getMainFrame();
final Page page = mainFrame.getFormsDocument().getPage(mainFrame.getCurrentPage());
this.buttonGroups = page.getRadioButtonGroups();
populateButtonGroups();
final String buttonGroupToUse = getButtonGroupToUse(widgets);
if (buttonGroupToUse.equals("mixed")) {
setComboValue(buttonGroupBox, null);
} else {
setComboValue(buttonGroupBox, buttonGroupToUse);
}
}
private String getButtonGroupToUse(final Set<IWidget> widgets) {
final List<String> buttonGroupValues = widgets.stream()
.map(widget -> widget.getWidgetModel().getProperties().getObject().getField().getGroupName().orElse(""))
.collect(toUnmodifiableList());
return findCommonOrMixedValue(buttonGroupValues);
}
private void populateButtonGroups() {
final ActionListener[] listeners = buttonGroupBox.getActionListeners();
Arrays.stream(listeners).forEach(buttonGroupBox::removeActionListener);
buttonGroupBox.removeAllItems();
for (final ButtonGroup buttonGroup: buttonGroups) {
buttonGroupBox.addItem(buttonGroup.getName());
}
Arrays.stream(listeners).forEach(buttonGroupBox::addActionListener);
}
private void setComboValue(
final JComboBox<String> comboBox,
final Object value) {
final ActionListener[] listeners = comboBox.getActionListeners();
Arrays.stream(listeners).forEach(comboBox::removeActionListener);
if (value instanceof Integer) {
comboBox.setSelectedIndex((Integer) value);
} else {
comboBox.setSelectedItem(value);
}
Arrays.stream(listeners).forEach(comboBox::addActionListener);
}
private String findCommonOrMixedValue(final List<String> values) {
final boolean listContainsOnlyEqualValues = Collections
.frequency(values, values.get(0)) == values.size();
if (listContainsOnlyEqualValues) {
return values.get(0);
}
return "mixed";
}
}