+ /**
+ * Action on clicking Load scheme button.
+ * <ul>
+ * <li>Open a file chooser to browse for files with extension .jc</li>
+ * <li>Load in the colour scheme and transfer it to this panel's buttons</li>
+ * <li>Register the loaded colour scheme</li>
+ * </ul>
+ */
+ @Override
+ protected void loadbutton_actionPerformed()
+ {
+ upperCaseButtons = new ArrayList<>();
+ lowerCaseButtons = new ArrayList<>();
+ JalviewFileChooser chooser = new JalviewFileChooser("jc",
+ "Jalview User Colours");
+ chooser.setFileView(new JalviewFileView());
+ chooser.setDialogTitle(
+ MessageManager.getString("label.load_colour_scheme"));
+ chooser.setToolTipText(MessageManager.getString("action.load"));
+ chooser.setResponseHandler(0, new Runnable()
+ {
+ @Override
+ public void run()
+ {
+ File choice = chooser.getSelectedFile();
+ Cache.setProperty(LAST_DIRECTORY, choice.getParent());
+
+ UserColourScheme ucs = ColourSchemeLoader
+ .loadColourScheme(choice.getAbsolutePath());
+ Color[] colors = ucs.getColours();
+ schemeName.setText(ucs.getSchemeName());
+
+ if (ucs.getLowerCaseColours() != null)
+ {
+ caseSensitive.setSelected(true);
+ lcaseColour.setEnabled(true);
+ resetButtonPanel(true);
+ for (int i = 0; i < lowerCaseButtons.size(); i++)
+ {
+ JButton button = lowerCaseButtons.get(i);
+ button.setBackground(ucs.getLowerCaseColours()[i]);
+ }
+ }
+ else
+ {
+ caseSensitive.setSelected(false);
+ lcaseColour.setEnabled(false);
+ resetButtonPanel(false);
+ }
+
+ for (int i = 0; i < upperCaseButtons.size(); i++)
+ {
+ JButton button = upperCaseButtons.get(i);
+ button.setBackground(colors[i]);
+ }
+
+ addNewColourScheme(choice.getPath());
+ }
+ });
+
+ chooser.showOpenDialog(this);