/**
* Update ProgressBar widget.<br>
* Try to reuse the old ProgressBar if possible, otherwise dispose it and create a new one.
*
* @param parent
* @param indeterminate
* @param visible
*/
void eswtUpdateProgressbar(Composite parent, boolean indeterminate, boolean visible) {
// Only dispose old ProgressBar if it has wrong style
if (eswtProgressBar != null) {
boolean isIndeterminate = (eswtProgressBar.getStyle() & SWT.INDETERMINATE) != 0;
if (indeterminate != isIndeterminate) {
eswtProgressBar.setLayoutData(null);
eswtProgressBar.dispose();
eswtProgressBar = null;
}
}
// create new ProgressBar
if (eswtProgressBar == null) {
int newStyle = indeterminate ? SWT.INDETERMINATE : SWT.NONE;
eswtProgressBar = new ProgressBar(parent, newStyle);
eswtProgressBar.setLayoutData(eswtProgbarLD);
// update ScrolledText's layoutdata
FormData imageLD = (FormData) eswtImgLabel.getLayoutData();
imageLD.bottom = new FormAttachment(eswtProgressBar);
}
// set Progressbar visibility
if (eswtProgressBar != null) {
eswtProgbarLD.top = (visible ? null : new FormAttachment(100));
eswtProgressBar.setVisible(visible);
}
}
public void close() {
progressBar.dispose();
shell.close();
}
public void dispose() {
progressBar.dispose();
childShell.dispose();
}