/**
* Handle a button style selection event.
*
* @param event the selection event
*/
void buttonStyleSelected(SelectionEvent event) {
/*
* Only certain combinations of button styles are
* supported for various dialogs. Make sure the
* control widget reflects only valid combinations.
*/
boolean ok = okButton.getSelection();
boolean cancel = cancelButton.getSelection();
boolean yes = yesButton.getSelection();
boolean no = noButton.getSelection();
boolean abort = abortButton.getSelection();
boolean retry = retryButton.getSelection();
boolean ignore = ignoreButton.getSelection();
okButton.setEnabled(!(yes || no || retry || abort || ignore));
cancelButton.setEnabled(!(abort || ignore || (yes != no)));
yesButton.setEnabled(!(ok || retry || abort || ignore || (cancel && !yes && !no)));
noButton.setEnabled(!(ok || retry || abort || ignore || (cancel && !yes && !no)));
retryButton.setEnabled(!(ok || yes || no));
abortButton.setEnabled(!(ok || cancel || yes || no));
ignoreButton.setEnabled(!(ok || cancel || yes || no));
createButton.setEnabled(
!(ok || cancel || yes || no || retry || abort || ignore)
|| ok
|| (ok && cancel)
|| (yes && no)
|| (yes && no && cancel)
|| (retry && cancel)
|| (abort && retry && ignore));
}
/** Creates the "Example" widgets. */
void createExampleWidgets() {
/* Compute the widget style */
int style = getDefaultStyle();
if (horizontalButton.getSelection()) style |= SWT.H_SCROLL;
if (verticalButton.getSelection()) style |= SWT.V_SCROLL;
if (borderButton.getSelection()) style |= SWT.BORDER;
if (noBackgroundButton.getSelection()) style |= SWT.NO_BACKGROUND;
if (noFocusButton.getSelection()) style |= SWT.NO_FOCUS;
if (noMergePaintsButton.getSelection()) style |= SWT.NO_MERGE_PAINTS;
if (noRedrawResizeButton.getSelection()) style |= SWT.NO_REDRAW_RESIZE;
/* Create the example widgets */
paintCount = 0;
cx = 0;
cy = 0;
canvas = new Canvas(canvasGroup, style);
canvas.addPaintListener(
new PaintListener() {
public void paintControl(PaintEvent e) {
paintCount++;
GC gc = e.gc;
if (fillDamageButton.getSelection()) {
Color color = e.display.getSystemColor(colors[paintCount % colors.length]);
gc.setBackground(color);
gc.fillRectangle(e.x, e.y, e.width, e.height);
}
Point size = canvas.getSize();
gc.drawArc(cx + 1, cy + 1, size.x - 2, size.y - 2, 0, 360);
gc.drawRectangle(cx + (size.x - 10) / 2, cy + (size.y - 10) / 2, 10, 10);
}
});
canvas.addControlListener(
new ControlAdapter() {
public void controlResized(ControlEvent event) {
Point size = canvas.getSize();
maxX = size.x * 3 / 2;
maxY = size.y * 3 / 2;
resizeScrollBars();
}
});
ScrollBar bar = canvas.getHorizontalBar();
if (bar != null) {
bar.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
scrollHorizontal((ScrollBar) event.widget);
}
});
}
bar = canvas.getVerticalBar();
if (bar != null) {
bar.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
scrollVertical((ScrollBar) event.widget);
}
});
}
}
/** Sets or clears the caret in the "Example" widget. */
void setCaret() {
Caret oldCaret = canvas.getCaret();
if (caretButton.getSelection()) {
Caret newCaret = new Caret(canvas, SWT.NONE);
Font font = canvas.getFont();
newCaret.setFont(font);
GC gc = new GC(canvas);
gc.setFont(font);
newCaret.setBounds(1, 1, 1, gc.getFontMetrics().getHeight());
gc.dispose();
canvas.setCaret(newCaret);
canvas.setFocus();
} else {
canvas.setCaret(null);
}
if (oldCaret != null) oldCaret.dispose();
}
protected int getStyle() {
int result = SWT.NONE;
Control[] ctrls = styleComp.getChildren();
if (ctrls.length == 0) {
result = defaultStyle;
} else {
for (int i = 0; i < ctrls.length; i++) {
if (ctrls[i] instanceof Button) {
Button button = (Button) ctrls[i];
if (button.getSelection()) {
Object data = button.getData("style");
if (data instanceof Integer) {
int style = ((Integer) data).intValue();
result |= style;
}
}
}
}
}
return result;
}
/**
* Handle the create button selection event.
*
* @param event org.eclipse.swt.events.SelectionEvent
*/
void createButtonSelected(SelectionEvent event) {
/* Compute the appropriate dialog style */
int style = getDefaultStyle();
if (okButton.getEnabled() && okButton.getSelection()) style |= SWT.OK;
if (cancelButton.getEnabled() && cancelButton.getSelection()) style |= SWT.CANCEL;
if (yesButton.getEnabled() && yesButton.getSelection()) style |= SWT.YES;
if (noButton.getEnabled() && noButton.getSelection()) style |= SWT.NO;
if (retryButton.getEnabled() && retryButton.getSelection()) style |= SWT.RETRY;
if (abortButton.getEnabled() && abortButton.getSelection()) style |= SWT.ABORT;
if (ignoreButton.getEnabled() && ignoreButton.getSelection()) style |= SWT.IGNORE;
if (iconErrorButton.getEnabled() && iconErrorButton.getSelection()) style |= SWT.ICON_ERROR;
if (iconInformationButton.getEnabled() && iconInformationButton.getSelection())
style |= SWT.ICON_INFORMATION;
if (iconQuestionButton.getEnabled() && iconQuestionButton.getSelection())
style |= SWT.ICON_QUESTION;
if (iconWarningButton.getEnabled() && iconWarningButton.getSelection())
style |= SWT.ICON_WARNING;
if (iconWorkingButton.getEnabled() && iconWorkingButton.getSelection())
style |= SWT.ICON_WORKING;
if (primaryModalButton.getEnabled() && primaryModalButton.getSelection())
style |= SWT.PRIMARY_MODAL;
if (applicationModalButton.getEnabled() && applicationModalButton.getSelection())
style |= SWT.APPLICATION_MODAL;
if (systemModalButton.getEnabled() && systemModalButton.getSelection())
style |= SWT.SYSTEM_MODAL;
if (saveButton.getEnabled() && saveButton.getSelection()) style |= SWT.SAVE;
if (openButton.getEnabled() && openButton.getSelection()) style |= SWT.OPEN;
if (multiButton.getEnabled() && multiButton.getSelection()) style |= SWT.MULTI;
/* Open the appropriate dialog type */
String name = dialogCombo.getText();
if (name.equals(ControlExample.getResourceString("ColorDialog"))) {
ColorDialog dialog = new ColorDialog(shell, style);
dialog.setRGB(new RGB(100, 100, 100));
dialog.setText(ControlExample.getResourceString("Title"));
RGB result = dialog.open();
textWidget.append(ControlExample.getResourceString("ColorDialog") + Text.DELIMITER);
textWidget.append(
ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
textWidget.append("getRGB() = " + dialog.getRGB() + Text.DELIMITER + Text.DELIMITER);
return;
}
if (name.equals(ControlExample.getResourceString("DirectoryDialog"))) {
DirectoryDialog dialog = new DirectoryDialog(shell, style);
dialog.setMessage(ControlExample.getResourceString("Example_string"));
dialog.setText(ControlExample.getResourceString("Title"));
String result = dialog.open();
textWidget.append(ControlExample.getResourceString("DirectoryDialog") + Text.DELIMITER);
textWidget.append(
ControlExample.getResourceString("Result", new String[] {"" + result})
+ Text.DELIMITER
+ Text.DELIMITER);
return;
}
if (name.equals(ControlExample.getResourceString("FileDialog"))) {
FileDialog dialog = new FileDialog(shell, style);
dialog.setFileName(ControlExample.getResourceString("readme_txt"));
dialog.setFilterNames(FilterNames);
dialog.setFilterExtensions(FilterExtensions);
dialog.setText(ControlExample.getResourceString("Title"));
String result = dialog.open();
textWidget.append(ControlExample.getResourceString("FileDialog") + Text.DELIMITER);
textWidget.append(
ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
textWidget.append("getFileNames() =" + Text.DELIMITER);
if ((dialog.getStyle() & SWT.MULTI) != 0) {
String[] files = dialog.getFileNames();
for (int i = 0; i < files.length; i++) {
textWidget.append("\t" + files[i] + Text.DELIMITER);
}
}
textWidget.append(
"getFilterIndex() = " + dialog.getFilterIndex() + Text.DELIMITER + Text.DELIMITER);
return;
}
if (name.equals(ControlExample.getResourceString("FontDialog"))) {
FontDialog dialog = new FontDialog(shell, style);
dialog.setText(ControlExample.getResourceString("Title"));
FontData result = dialog.open();
textWidget.append(ControlExample.getResourceString("FontDialog") + Text.DELIMITER);
textWidget.append(
ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
textWidget.append("getFontList() =" + Text.DELIMITER);
FontData[] fonts = dialog.getFontList();
if (fonts != null) {
for (int i = 0; i < fonts.length; i++) {
textWidget.append("\t" + fonts[i] + Text.DELIMITER);
}
}
textWidget.append("getRGB() = " + dialog.getRGB() + Text.DELIMITER + Text.DELIMITER);
return;
}
if (name.equals(ControlExample.getResourceString("PrintDialog"))) {
PrintDialog dialog = new PrintDialog(shell, style);
dialog.setText(ControlExample.getResourceString("Title"));
PrinterData result = dialog.open();
textWidget.append(ControlExample.getResourceString("PrintDialog") + Text.DELIMITER);
textWidget.append(
ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
textWidget.append("getScope() = " + dialog.getScope() + Text.DELIMITER);
textWidget.append("getStartPage() = " + dialog.getStartPage() + Text.DELIMITER);
textWidget.append("getEndPage() = " + dialog.getEndPage() + Text.DELIMITER);
textWidget.append(
"getPrintToFile() = " + dialog.getPrintToFile() + Text.DELIMITER + Text.DELIMITER);
return;
}
if (name.equals(ControlExample.getResourceString("MessageBox"))) {
MessageBox dialog = new MessageBox(shell, style);
dialog.setMessage(ControlExample.getResourceString("Example_string"));
dialog.setText(ControlExample.getResourceString("Title"));
int result = dialog.open();
textWidget.append(ControlExample.getResourceString("MessageBox") + Text.DELIMITER);
/*
* The resulting integer depends on the original
* dialog style. Decode the result and display it.
*/
switch (result) {
case SWT.OK:
textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.OK"}));
break;
case SWT.YES:
textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.YES"}));
break;
case SWT.NO:
textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.NO"}));
break;
case SWT.CANCEL:
textWidget.append(
ControlExample.getResourceString("Result", new String[] {"SWT.CANCEL"}));
break;
case SWT.ABORT:
textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.ABORT"}));
break;
case SWT.RETRY:
textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.RETRY"}));
break;
case SWT.IGNORE:
textWidget.append(
ControlExample.getResourceString("Result", new String[] {"SWT.IGNORE"}));
break;
default:
textWidget.append(ControlExample.getResourceString("Result", new String[] {"" + result}));
break;
}
textWidget.append(Text.DELIMITER + Text.DELIMITER);
}
}