public synchronized void sendFocus(Widget widget) {
if (widget.isDisposed()) {
return;
}
if (!(widget instanceof Control)) {
return;
}
Control ctrl = (Control) widget;
boolean sendUnfocus = TeslaCellEditorManager.getInstance().getEditors().length > 0;
if (sendUnfocus) {
if (ctrl != lastFocusControl) {
// new focus control
// send focusOut for real last focused control
if (ctrl == lastFocusControl) {
return;
}
if (lastFocusControl != null && !lastFocusControl.isDisposed()) {
if (lastFocusControl.isFocusControl()) {
sendEvent(lastFocusControl, SWT.FocusOut);
if (!lastFocusControl.isDisposed()) {
sendEvent(lastFocusControl, SWT.Deactivate);
}
if (!lastFocusControl.isDisposed()) {
sendEvent(lastFocusControl, SWT.MouseExit);
}
}
}
lastFocusControl = ctrl;
if (!ctrl.isFocusControl()) {
ctrl.setFocus();
sendEvent(lastFocusControl, SWT.MouseEnter);
sendEvent(lastFocusControl, SWT.MouseMove);
sendEvent(lastFocusControl, SWT.Activate);
sendEvent(lastFocusControl, SWT.FocusIn);
}
}
} else {
// ctrl.getShell().forceActive();
if (!ctrl.isFocusControl()) {
try {
ShellUtilsProvider.getShellUtils().forceActive(ctrl.getShell());
} catch (CoreException e) {
throw new RuntimeException(e);
}
ctrl.setFocus();
ctrl.forceFocus();
sendEvent(ctrl, SWT.MouseEnter);
sendEvent(ctrl, SWT.MouseMove);
sendEvent(ctrl, SWT.Activate);
sendEvent(ctrl, SWT.FocusIn);
}
lastFocusControl = ctrl;
}
}
public synchronized void sendUnfocus(Widget widget) {
if (widget.isDisposed()) {
return;
}
if (!(widget instanceof Control)) {
return;
}
Control ctrl = (Control) widget;
boolean sendUnfocus = TeslaCellEditorManager.getInstance().getEditors().length > 0;
if (!sendUnfocus) {
if (ctrl.isFocusControl() || widget == lastFocusControl) {
if (!ctrl.isDisposed()) {
sendEvent(ctrl, SWT.FocusOut);
}
if (!ctrl.isDisposed()) {
sendEvent(ctrl, SWT.Deactivate);
}
if (!ctrl.isDisposed()) {
sendEvent(ctrl, SWT.MouseMove);
}
if (!ctrl.isDisposed()) {
sendEvent(ctrl, SWT.MouseExit);
}
}
lastFocusControl = null;
TeslaEventManager.getManager().setForceFocusControl(null);
}
}
private FocusHandler(Navigable navigable) {
fIterator = new JavaWordIterator();
fNavigable = navigable;
Control control = navigable.getControl();
control.addFocusListener(this);
if (control.isFocusControl()) activate();
control.addDisposeListener(
new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
deactivate();
}
});
}
@Override
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
if (!(receiver instanceof SQLEditorBase)) {
return false;
}
SQLEditor editor = (SQLEditor) receiver;
final Control editorControl = editor.getEditorControl();
if (editorControl == null) {
return false;
}
boolean isFocused = editorControl.isFocusControl();
boolean isConnected =
editor.getDataSourceContainer() != null && editor.getDataSourceContainer().isConnected();
switch (property) {
case PROP_CAN_EXECUTE:
return isConnected
&& isFocused
&& (!"statement".equals(expectedValue) || editor.hasActiveQuery());
case PROP_CAN_EXPLAIN:
return isConnected
&& isFocused
&& editor.hasActiveQuery()
&& DBUtils.getAdapter(DBCQueryPlanner.class, editor.getDataSource()) != null;
case PROP_CAN_NAVIGATE:
{
// Check whether some word is under cursor
ISelectionProvider selectionProvider = editor.getSelectionProvider();
if (selectionProvider == null) {
return false;
}
ITextSelection selection = (ITextSelection) selectionProvider.getSelection();
Document document = editor.getDocument();
return selection != null
&& document != null
&& !new SQLIdentifierDetector(
editor.getSyntaxManager().getStructSeparator(),
editor.getSyntaxManager().getQuoteSymbol())
.detectIdentifier(
document, new Region(selection.getOffset(), selection.getLength()))
.isEmpty();
}
case PROP_CAN_EXPORT:
return isConnected && editor.hasActiveQuery();
}
return false;
}
