private void createOptionalDependenciesButton(Composite container) {
if (isEditable()) {
fIncludeOptionalButton = new Button(container, SWT.CHECK);
fIncludeOptionalButton.setText(PDEUIMessages.PluginSection_includeOptional);
// initialize value
IEditorInput input = getPage().getEditorInput();
if (input instanceof IFileEditorInput) {
IFile file = ((IFileEditorInput) input).getFile();
try {
fIncludeOptionalButton.setSelection(
"true".equals(file.getPersistentProperty(OPTIONAL_PROPERTY))); // $NON-NLS-1$
} catch (CoreException e) {
}
}
// create listener to save value when the checkbox is changed
fIncludeOptionalButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
IEditorInput input = getPage().getEditorInput();
if (input instanceof IFileEditorInput) {
IFile file = ((IFileEditorInput) input).getFile();
try {
file.setPersistentProperty(
OPTIONAL_PROPERTY,
fIncludeOptionalButton.getSelection() ? "true" : null); // $NON-NLS-1$
} catch (CoreException e1) {
}
}
}
});
}
}
