/**
* Adds a radio button group.
*
* @param label group label (or null)
* @param items radio button labels
* @param rows number of rows
* @param columns number of columns
* @param defaultItem button initially selected
*/
public void addRadioButtonGroup(
String label, String[] items, int rows, int columns, String defaultItem) {
Panel panel = new Panel();
int n = items.length;
panel.setLayout(new GridLayout(rows, columns, 0, 0));
CheckboxGroup cg = new CheckboxGroup();
for (int i = 0; i < n; i++) {
Checkbox cb = new Checkbox(items[i], cg, items[i].equals(defaultItem));
cb.addItemListener(this);
panel.add(cb);
}
if (radioButtonGroups == null) radioButtonGroups = new Vector();
radioButtonGroups.addElement(cg);
Insets insets = getInsets(5, 10, 0, 0);
if (label == null || label.equals("")) {
label = "rbg" + radioButtonGroups.size();
insets.top += 5;
} else {
setInsets(10, insets.left, 0);
addMessage(label);
insets.top = 2;
insets.left += 10;
}
c.gridx = 0;
c.gridy = y;
c.gridwidth = 2;
c.anchor = GridBagConstraints.WEST;
c.insets = new Insets(insets.top, insets.left, 0, 0);
grid.setConstraints(panel, c);
add(panel);
if (Recorder.record || macro) saveLabel(cg, label);
y++;
}
/**
* Adds a group of checkboxs using a grid layout.
*
* @param rows the number of rows
* @param columns the number of columns
* @param labels the labels
* @param defaultValues the initial states
* @param headings the column headings Example:
* http://imagej.nih.gov/ij/plugins/multi-column-dialog/index.html
*/
public void addCheckboxGroup(
int rows, int columns, String[] labels, boolean[] defaultValues, String[] headings) {
Panel panel = new Panel();
int nRows = headings != null ? rows + 1 : rows;
panel.setLayout(new GridLayout(nRows, columns, 6, 0));
int startCBIndex = cbIndex;
if (checkbox == null) checkbox = new Vector(12);
if (headings != null) {
Font font = new Font("SansSerif", Font.BOLD, 12);
for (int i = 0; i < columns; i++) {
if (i > headings.length - 1 || headings[i] == null) panel.add(new Label(""));
else {
Label label = new Label(headings[i]);
label.setFont(font);
panel.add(label);
}
}
}
int i1 = 0;
int[] index = new int[labels.length];
for (int row = 0; row < rows; row++) {
for (int col = 0; col < columns; col++) {
int i2 = col * rows + row;
if (i2 >= labels.length) break;
index[i1] = i2;
String label = labels[i1];
if (label == null || label.length() == 0) {
Label lbl = new Label("");
panel.add(lbl);
i1++;
continue;
}
if (label.indexOf('_') != -1) label = label.replace('_', ' ');
Checkbox cb = new Checkbox(label);
checkbox.addElement(cb);
cb.setState(defaultValues[i1]);
cb.addItemListener(this);
if (Recorder.record || macro) saveLabel(cb, labels[i1]);
if (IJ.isLinux()) {
Panel panel2 = new Panel();
panel2.setLayout(new BorderLayout());
panel2.add("West", cb);
panel.add(panel2);
} else panel.add(cb);
i1++;
}
}
c.gridx = 0;
c.gridy = y;
c.gridwidth = 2;
c.anchor = GridBagConstraints.WEST;
c.insets = getInsets(10, 0, 0, 0);
grid.setConstraints(panel, c);
add(panel);
y++;
}
/** Returns the state of the next checkbox. */
public boolean getNextBoolean() {
if (checkbox == null) return false;
Checkbox cb = (Checkbox) (checkbox.elementAt(cbIndex));
if (recorderOn) recordCheckboxOption(cb);
boolean state = cb.getState();
if (macro) {
String label = (String) labels.get((Object) cb);
String key = Macro.trimKey(label);
state = isMatch(macroOptions, key + " ");
}
cbIndex++;
return state;
}
/** Returns the selected item in the next radio button group. */
public String getNextRadioButton() {
if (radioButtonGroups == null) return null;
CheckboxGroup cg = (CheckboxGroup) (radioButtonGroups.elementAt(radioButtonIndex));
radioButtonIndex++;
Checkbox checkbox = cg.getSelectedCheckbox();
String item = "null";
if (checkbox != null) item = checkbox.getLabel();
if (macro) {
String label = (String) labels.get((Object) cg);
item = Macro.getValue(macroOptions, label, item);
}
if (recorderOn) recordOption(cg, item);
return item;
}
/**
* Notify any DialogListeners of changes having occurred If a listener returns false, do not call
* further listeners and disable the OK button and preview Checkbox (if it exists). For
* PlugInFilters, this ensures that the PlugInFilterRunner, which listens as the last one, is not
* called if the PlugInFilter has detected invalid parameters. Thus, unnecessary calling the
* run(ip) method of the PlugInFilter for preview is avoided in that case.
*/
private void notifyListeners(AWTEvent e) {
if (dialogListeners == null) return;
boolean everythingOk = true;
for (int i = 0; everythingOk && i < dialogListeners.size(); i++)
try {
resetCounters();
if (!((DialogListener) dialogListeners.elementAt(i)).dialogItemChanged(this, e))
everythingOk = false;
} // disable further listeners if false (invalid parameters) returned
catch (Exception err) { // for exceptions, don't cover the input by a window but
IJ.beep(); // show them at in the "Log"
IJ.log(
"ERROR: "
+ err
+ "\nin DialogListener of "
+ dialogListeners.elementAt(i)
+ "\nat "
+ (err.getStackTrace()[0])
+ "\nfrom "
+ (err.getStackTrace()[1])); // requires Java 1.4
}
boolean workaroundOSXbug = IJ.isMacOSX() && okay != null && !okay.isEnabled() && everythingOk;
if (previewCheckbox != null) previewCheckbox.setEnabled(everythingOk);
if (okay != null) okay.setEnabled(everythingOk);
if (workaroundOSXbug) repaint(); // OSX 10.4 bug delays update of enabled until the next input
}
private void recordCheckboxOption(Checkbox cb) {
String label = (String) labels.get((Object) cb);
if (label != null) {
if (cb.getState()) // checked
Recorder.recordOption(label);
else if (Recorder.getCommandOptions() == null) Recorder.recordOption(" ");
}
}
/**
* Adds a checkbox; does not make it recordable if isPreview is true. With isPreview true, the
* checkbox can be referred to as previewCheckbox from hereon.
*/
private void addCheckbox(String label, boolean defaultValue, boolean isPreview) {
String label2 = label;
if (label2.indexOf('_') != -1) label2 = label2.replace('_', ' ');
if (checkbox == null) {
checkbox = new Vector(4);
c.insets = getInsets(15, 20, 0, 0);
} else c.insets = getInsets(0, 20, 0, 0);
c.gridx = 0;
c.gridy = y;
c.gridwidth = 2;
c.anchor = GridBagConstraints.WEST;
Checkbox cb = new Checkbox(label2);
grid.setConstraints(cb, c);
cb.setState(defaultValue);
cb.addItemListener(this);
cb.addKeyListener(this);
add(cb);
checkbox.addElement(cb);
// ij.IJ.write("addCheckbox: "+ y+" "+cbIndex);
if (!isPreview && (Recorder.record || macro)) // preview checkbox is not recordable
saveLabel(cb, label);
if (isPreview) previewCheckbox = cb;
y++;
}
/**
* Used by PlugInFilterRunner to provide visable feedback whether preview is running or not by
* switching from "Preview" to "wait..."
*/
public void previewRunning(boolean isRunning) {
if (previewCheckbox != null) {
previewCheckbox.setLabel(isRunning ? previewRunning : previewLabel);
if (IJ.isMacOSX()) repaint(); // workaround OSX 10.4 refresh bug
}
}
/** Returns 'true' if this dialog has a "Preview" checkbox and it is enabled. */
public boolean isPreviewActive() {
return previewCheckbox != null && previewCheckbox.getState();
}
