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mra/plots/ConfigIniPlot: Dropdown box to visualize long-ish configurations.
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‎src/java/pt/lsts/neptus/mra/plots/ConfigIniPlot.java‎

Lines changed: 190 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -28,27 +28,42 @@
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* For more information please see <http://lsts.fe.up.pt/neptus>.
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*
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* Author: jcordeiro
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* November 20, 2025
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* November 25, 2025
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*/
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package pt.lsts.neptus.mra.plots;
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import com.l2fprod.common.propertysheet.DefaultProperty;
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import com.l2fprod.common.propertysheet.Property;
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import com.l2fprod.common.propertysheet.PropertySheet;
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import com.l2fprod.common.propertysheet.PropertySheetPanel;
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import com.l2fprod.common.propertysheet.PropertySheetTable;
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import com.l2fprod.common.propertysheet.PropertySheetTableModel.Item;
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import net.miginfocom.swing.MigLayout;
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import pt.lsts.neptus.mra.MRAPanel;
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import pt.lsts.neptus.mra.importers.IMraLogGroup;
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import pt.lsts.neptus.mra.visualizations.SimpleMRAVisualization;
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import pt.lsts.neptus.plugins.PluginDescription;
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import javax.swing.BorderFactory;
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import javax.swing.JPanel;
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import javax.swing.JPopupMenu;
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import javax.swing.JScrollPane;
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import javax.swing.JLabel;
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import javax.swing.JComponent;
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import javax.swing.JButton;
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import javax.swing.JTable;
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import javax.swing.JTextArea;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.FontMetrics;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Window;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.io.File;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
@@ -64,13 +79,13 @@
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* @author jcordeiro
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*
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*/
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@PluginDescription(author = "jcordeiro", name = "Vehicle Configuration")
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@PluginDescription(author = "jcordeiro", name = "Vehicle Configuration", icon="images/settings2.png")
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public class ConfigIniPlot extends SimpleMRAVisualization {
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private File iniFile;
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private final Map<String, List<Property>> sectionMap = new LinkedHashMap<>();
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PropertySheetPanel sheet = new PropertySheetPanel();
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private JPopupMenu currentlyOpenDropdown = null;
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public ConfigIniPlot(MRAPanel panel) {
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super(panel);
@@ -106,7 +121,7 @@ public JComponent getVisualization(IMraLogGroup source, double timestep) {
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JLabel titleLabel = new JLabel("<html><h2>Vehicle Configuration</h2></html>");
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mainPanel.add(titleLabel, "w 100%, wrap");
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// expand/collapse buttons
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JButton collapseButton = new JButton("Collapse All");
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collapseButton.addActionListener(e -> collapseAllCategories());
@@ -130,7 +145,6 @@ public JComponent getVisualization(IMraLogGroup source, double timestep) {
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for (Map.Entry<String, List<Property>> entry : sections.entrySet()) {
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for (Property p : entry.getValue()) {
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sheet.addProperty(p);
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}
@@ -141,6 +155,11 @@ public JComponent getVisualization(IMraLogGroup source, double timestep) {
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}
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}
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SwingUtilities.invokeLater(() -> {
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collapseAllCategories();
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installDropdownOnTable(sheet);
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});
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JScrollPane scroll = new JScrollPane(sheet);
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scroll.setBorder(null);
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mainPanel.add(scroll, "grow, push");
@@ -234,5 +253,170 @@ private void expandAllCategories() {
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}
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}
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}
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private void installDropdownOnTable(PropertySheetPanel sheet) {
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PropertySheetTable table = (PropertySheetTable) sheet.getTable();
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table.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseClicked(MouseEvent e) {
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// close if already open
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if (currentlyOpenDropdown != null) {
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currentlyOpenDropdown.setVisible(false);
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currentlyOpenDropdown = null;
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return;
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}
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int row = table.rowAtPoint(e.getPoint());
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int col = table.columnAtPoint(e.getPoint());
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if (row < 0 || col != 1) {
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return;
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}
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Object o = table.getSheetModel().getObject(row);
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if (!(o instanceof Item)) {
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return;
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}
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Item item = (Item) o;
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// ignore if category
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if (item.hasToggle()) {
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return;
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}
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Property property = item.getProperty();
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if (property == null) {
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return;
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}
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Object val = property.getValue();
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if (val == null) {
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return;
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}
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String full = val.toString().trim();
300+
if (full.isEmpty()) {
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return;
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}
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// show dropdown only if the content is long-ish
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FontMetrics fm = table.getFontMetrics(table.getFont());
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int colWidth = table.getColumnModel().getColumn(col).getWidth();
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int textWidth = SwingUtilities.computeStringWidth(fm, full);
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if (textWidth <= colWidth - 10) {
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return;
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}
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// split by comma and trim, each value per line
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String[] values = full.split("\\s*,\\s*");
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// build multiline text
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StringBuilder multiline = new StringBuilder();
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for (int i = 0; i < values.length; i++) {
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multiline.append(values[i]);
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if (i < values.length - 1)
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multiline.append("\n");
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}
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String text = multiline.toString();
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// create popup
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JPopupMenu dropdown = new JPopupMenu();
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dropdown.setLayout(new BorderLayout());
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// selectable text area
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JTextArea textArea = new JTextArea(text);
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textArea.setEditable(false);
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textArea.setLineWrap(false);
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textArea.setWrapStyleWord(false);
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textArea.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
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textArea.setBackground(UIManager.getColor("Panel.background"));
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textArea.setFont(table.getFont());
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textArea.setCaretPosition(0);
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// select whole line with one click
340+
textArea.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseClicked(MouseEvent me) {
343+
int pos = textArea.viewToModel2D(me.getPoint());
344+
if (pos >= 0) {
345+
try {
346+
int line = textArea.getLineOfOffset(pos);
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int start = textArea.getLineStartOffset(line);
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int end = textArea.getLineEndOffset(line);
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// trim trailing newline from selection
350+
if (end > start && textArea.getText(end - 1, 1).equals("\n")) {
351+
end = end - 1;
352+
}
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textArea.requestFocusInWindow();
354+
textArea.select(start, end);
355+
} catch (Exception ex) {
356+
// ignore
357+
}
358+
}
359+
}
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});
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362+
JScrollPane scroll = new JScrollPane(textArea);
363+
scroll.setBorder(null);
364+
scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
365+
366+
int maxWidth = 200;
367+
for (String v : values) {
368+
maxWidth = Math.max(maxWidth, SwingUtilities.computeStringWidth(fm, v) + 40);
369+
}
370+
maxWidth = Math.min(800, maxWidth);
371+
372+
configureScrollSize(scroll, fm, values.length, maxWidth);
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374+
dropdown.add(scroll, BorderLayout.CENTER);
375+
376+
positionDropdown(dropdown, table, row, col);
377+
showDropdown(dropdown, table);
378+
379+
currentlyOpenDropdown = dropdown;
380+
}
381+
});
382+
}
383+
384+
private void configureScrollSize(JScrollPane scroll, FontMetrics fm, int lineCount, int maxWidth) {
385+
int lineHeight = fm.getHeight();
386+
int visibleLines = Math.min(lineCount, 6);
387+
int prefHeight = visibleLines * lineHeight + 10;
388+
scroll.setPreferredSize(new Dimension(maxWidth, prefHeight));
389+
}
390+
391+
private void positionDropdown(JPopupMenu dropdown, JTable table, int row, int col) {
392+
Rectangle rect = table.getCellRect(row, col, true);
393+
Point p = new Point(rect.x, rect.y + rect.height);
394+
SwingUtilities.convertPointToScreen(p, table);
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396+
Window parentWindow = SwingUtilities.getWindowAncestor(table);
397+
if (parentWindow != null) {
398+
Rectangle parentBounds = parentWindow.getBounds();
399+
Dimension dropdownSize = dropdown.getPreferredSize();
400+
401+
if (p.y + dropdownSize.height > parentBounds.y + parentBounds.height) {
402+
p.y = parentBounds.y + parentBounds.height - dropdownSize.height;
403+
}
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405+
if (p.x + dropdownSize.width > parentBounds.x + parentBounds.width) {
406+
p.x = parentBounds.x + parentBounds.width - dropdownSize.width;
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}
408+
409+
p.y = Math.max(p.y, parentBounds.y);
410+
p.x = Math.max(p.x, parentBounds.x);
411+
}
412+
413+
dropdown.setLocation(p);
414+
}
415+
416+
private void showDropdown(JPopupMenu dropdown, JTable table) {
417+
dropdown.setInvoker(table);
418+
dropdown.setSize(dropdown.getPreferredSize());
419+
dropdown.setVisible(true);
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}
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}
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