/** Updates this cell. */
protected void updateCellValues() {
if (getColumn() == null) {
LogUtils.debug(this, "cell disposed! @" + hashCode());
return;
}
IManagerRunnable.Factory.asyncExec(
"update",
this,
new Runnable() {
@Override
public void run() {
updateCellValuesDelayed();
}
});
}
/**
* Checks if any current {@link IScriptDependency} match the specified notification.
*
* <p>If one does match, all associated expressions are re-evaluated.
*
* @param msg the notification to check
*/
protected void checkChangedDependencies(Notification msg) {
final EList<IScriptDependency> dList = getDependencies().get(msg.getNotifier());
/*
* Should probably never happen!
*/
if (dList == null) return;
for (final IScriptDependency d : dList) {
if (d.getFeature() != msg.getFeature()) {
continue;
}
if (d.getIndex() != -1) {
if (d.getIndex() != msg.getPosition()) {
continue;
}
}
if (d.getKey() != null) {
// TODO
LogUtils.debug(this, "key=" + d.getKey() + "\nmsg=" + ToStringUtils.toString(msg));
}
/*
* We have a match...
*/
for (final IScriptExpression e : d.getExpressions()) {
IManagerRunnable.Factory.asyncExec(
"evaluate",
e,
new Runnable() {
@Override
public void run() {
e.evaluate();
}
});
}
}
}
/**
* Checks if the current state have changed, and reports these.
*
* @param event the current event
* @return the resulting map
*/
public Map<String, Object> reportSourceChanges(Event event) {
if (Activator.getDefault().TRACE_SOURCE_PROVIDER_VERBOSE
&& Activator.getDefault().TRACE_EVENTS_SWT) {
LogUtils.debug(
this, (event == myPreviousValueEvent ? "REPLAY " : "") + TSSWTUtils.toString(event));
}
/*
* If the event is FocusIn for the very same widget as last time, but with x,y=0,0, then...
* ignore it... It is seen whenever the current shell is send to front.
*/
if (event.type == SWT.FocusIn && event.widget == myLastWidget && event.x == 0 && event.y == 0)
return myCurrentState;
/*
* Ignore all key up events, except those that navigate...
*/
// if (event.type == SWT.KeyUp && (SWT.KEYCODE_BIT & event.keyCode) == 0) {
// return myOldState;
// }
final Map<String, Object> newState = getCurrentState(event);
myLastWidget = event.widget;
/*
* Update the current state with changes - keeping them in newState as well.
*/
for (final Iterator<Map.Entry<String, Object>> is = newState.entrySet().iterator();
is.hasNext(); ) {
final Map.Entry<String, Object> i = is.next();
final String s = i.getKey();
final Object n = i.getValue();
final Object o = myCurrentState.get(s);
if (BasicUtils.equals(n, o)) {
is.remove();
} else {
myCurrentState.put(s, n);
}
}
if (!newState.isEmpty()) {
/*
* Reset the property testers as well, when any of the values changes
*/
newState.put(Constants.PREFIX + Constants.PROPERTY_CAN_DELETE, true);
newState.put(Constants.PREFIX + Constants.PROPERTY_CAN_DELETE_SELECTED_OBJECTS, true);
if (Activator.getDefault().TRACE_SOURCE_PROVIDER) {
final StringBuilder sb = new StringBuilder("Binding sources change(" + myLastBinding + ")");
for (final Map.Entry<String, Object> i : newState.entrySet()) {
final String s = i.getKey();
sb.append("\n ").append(s).append('=');
final Object v = i.getValue();
if (v == null) {
sb.append("<null>");
} else if (v == IEvaluationContext.UNDEFINED_VARIABLE) {
sb.append("<undef>");
} else {
sb.append('\'')
.append(v.toString())
.append('\'')
.append(" [")
.append(ClassUtils.getLastClassName(v))
.append(']');
}
}
LogUtils.debug(this, sb.toString());
}
fireSourceChanged(ISources.ACTIVE_CURRENT_SELECTION, newState);
/*
* TODO: describe why
*
* TODO: only when changing?
*/
final Object activeBindingObject = myCurrentState.get(Constants.SOURCES_ACTIVE_BINDING);
if (activeBindingObject instanceof IValueBinding) {
final IValueBinding vb = (IValueBinding) activeBindingObject;
IManagerRunnable.Factory.asyncExec(
"update",
vb,
new Runnable() {
@Override
public void run() {
if (vb.isDisposed()) return;
vb.updateBinding();
}
});
}
/*
* And lastly, update the active contexts
*/
handleContextChanges(myCurrentState);
}
return myCurrentState;
}