private void doSelectionChanged() {
StatusInfo status = new StatusInfo();
List selected = fHistoryList.getSelectedElements();
if (selected.size() != 1) {
status.setError(""); // $NON-NLS-1$
fResult = null;
} else {
fResult = (IModelElement) selected.get(0);
}
fHistoryList.enableButton(
0, fHistoryList.getSize() > selected.size() && selected.size() != 0);
fHistoryStatus = status;
updateStatus(status);
}
/*
* @see Dialog#createDialogArea(Composite)
*/
protected Control createDialogArea(Composite parent) {
initializeDialogUnits(parent);
Composite composite = (Composite) super.createDialogArea(parent);
Composite inner = new Composite(composite, SWT.NONE);
inner.setFont(parent.getFont());
inner.setLayoutData(new GridData(GridData.FILL_BOTH));
LayoutUtil.doDefaultLayout(inner, new DialogField[] {fHistoryList}, true, 0, 0);
LayoutUtil.setHeightHint(fHistoryList.getListControl(null), convertHeightInCharsToPixels(12));
LayoutUtil.setHorizontalGrabbing(fHistoryList.getListControl(null));
applyDialogFont(composite);
return composite;
}
private HistoryListDialog(Shell shell, IModelElement[] elements) {
super(shell);
setTitle(TypeHierarchyMessages.HistoryListDialog_title);
String[] buttonLabels =
new String[] {
TypeHierarchyMessages.HistoryListDialog_remove_button,
};
IListAdapter adapter =
new IListAdapter() {
public void customButtonPressed(ListDialogField field, int index) {
doCustomButtonPressed();
}
public void selectionChanged(ListDialogField field) {
doSelectionChanged();
}
public void doubleClicked(ListDialogField field) {
doDoubleClicked();
}
};
ModelElementLabelProvider labelProvider =
new ModelElementLabelProvider(
ModelElementLabelProvider.SHOW_QUALIFIED | ModelElementLabelProvider.SHOW_ROOT);
fHistoryList = new ListDialogField(adapter, buttonLabels, labelProvider);
fHistoryList.setLabelText(TypeHierarchyMessages.HistoryListDialog_label);
fHistoryList.setElements(Arrays.asList(elements));
ISelection sel;
if (elements.length > 0) {
sel = new StructuredSelection(elements[0]);
} else {
sel = new StructuredSelection();
}
fHistoryList.selectElements(sel);
}
public IModelElement[] getRemaining() {
List elems = fHistoryList.getElements();
return (IModelElement[]) elems.toArray(new IModelElement[elems.size()]);
}
/** Method doCustomButtonPressed. */
private void doCustomButtonPressed() {
fHistoryList.removeElements(fHistoryList.getSelectedElements());
}