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Support widget groups #60

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Support widget groups #60

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b227668
SwingInputPanel: support input widget groups with collapsible labels
karlduderstadt Aug 3, 2021
d435f5c
SwingInputPanel: simply group visibility logic
karlduderstadt Aug 3, 2021
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105 changes: 100 additions & 5 deletions src/main/java/org/scijava/ui/swing/widget/SwingInputPanel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,24 +29,38 @@

package org.scijava.ui.swing.widget;

import java.awt.Component;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.swing.JLabel;
import javax.swing.JPanel;

import net.miginfocom.swing.MigLayout;

import org.scijava.ItemVisibility;
import org.scijava.widget.AbstractInputPanel;
import org.scijava.widget.InputPanel;
import org.scijava.widget.InputWidget;
import org.scijava.widget.WidgetModel;

import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

/**
* Swing implementation of {@link InputPanel}.
*
* @author Curtis Rueden
* @author Karl Duderstadt
*/
public class SwingInputPanel extends AbstractInputPanel<JPanel, JPanel> {

private JPanel uiComponent;

private Map<String, List<Component>> widgetGroups;
private Map<String, Boolean> widgetGroupVisible;

// -- InputPanel methods --

Expand All @@ -55,20 +69,101 @@ public void addWidget(final InputWidget<?, JPanel> widget) {
super.addWidget(widget);
final JPanel widgetPane = widget.getComponent();
final WidgetModel model = widget.get();

final String group = (model.getItem().getVisibility() == ItemVisibility.GROUP) ? (String) model.getValue() : model.getGroup();

if (widgetGroups == null)
widgetGroups = new HashMap<String, List<Component>>();

if (widgetGroupVisible == null)
widgetGroupVisible = new HashMap<String, Boolean>();

if (!widgetGroups.containsKey(group))
widgetGroups.put(group, new ArrayList<Component>());

// add widget to panel
if (widget.isLabeled()) {
if (model.getItem().getVisibility() == ItemVisibility.GROUP) {
JPanel labelPanel = new JPanel(new MigLayout("fillx,insets 5 15 5 15, gapy 0"));
JLabel label = (model.getItem().isExpanded()) ? new JLabel("<html><strong>▼ " + group + "</strong></html>") :
new JLabel("<html><strong>▶ " + group + "</strong></html>");

widgetGroupVisible.put(group, model.getItem().isExpanded());

label.addMouseListener(new MouseAdapter() {
/**
* Invoked when the mouse button has been clicked (pressed
* and released) on a component.
* @param e the event to be processed
*/
@Override
public void mouseClicked(MouseEvent e) {
}

/**
* Invoked when a mouse button has been pressed on a component.
* @param e the event to be processed
*/
@Override
public void mousePressed(MouseEvent e) {
widgetGroupVisible.put(group, !widgetGroupVisible.get(group));
widgetGroups.get(group).forEach(comp -> comp.setVisible(widgetGroupVisible.get(group)));

if(widgetGroupVisible.get(group))
label.setText("<html><strong>▼ " + group + "</strong></html>");
else
label.setText("<html><strong>▶ " + group + "</strong></html>");

getComponent().revalidate();
}

/**
* Invoked when a mouse button has been released on a component.
* @param e the event to be processed
*/
@Override
public void mouseReleased(MouseEvent e) {
}

/**
* Invoked when the mouse enters a component.
* @param e the event to be processed
*/
@Override
public void mouseEntered(MouseEvent e) {
}

/**
* Invoked when the mouse exits a component.
* @param e the event to be processed
*/
@Override
public void mouseExited(MouseEvent e) {
}

});

labelPanel.add(label);
getComponent().add(labelPanel, "align left, wrap");
}
else if (widget.isLabeled()) {
// widget is prefixed by a label
final JLabel l = new JLabel(model.getWidgetLabel());
final String desc = model.getItem().getDescription();
if (desc != null && !desc.isEmpty()) l.setToolTipText(desc);
getComponent().add(l);
getComponent().add(widgetPane);
getComponent().add(l, "hidemode 3");
widgetGroups.get(group).add(l);

getComponent().add(widgetPane, "hidemode 3");
widgetGroups.get(group).add(widgetPane);
}
else {
// widget occupies entire row
getComponent().add(widgetPane, "span");
getComponent().add(widgetPane, "span, hidemode 3");
widgetGroups.get(group).add(widgetPane);
}

//Make sure components have correct starting visibility
if (widgetGroups.containsKey(group) && widgetGroupVisible.containsKey(group))
widgetGroups.get(group).forEach(comp -> comp.setVisible(widgetGroupVisible.get(group)));
}

@Override
Expand Down