/**
* Returns true if given structured selection matches the conditions specified in the registry for
* this action.
*/
private boolean isEnabledFor(IStructuredSelection ssel) {
int count = ssel.size();
if (verifySelectionCount(count) == false) {
return false;
}
// Compare selection to enablement expression.
if (enablementExpression != null) {
return enablementExpression.isEnabledFor(ssel);
}
// Compare selection to class requirements.
if (classes.isEmpty()) {
return true;
}
for (Iterator elements = ssel.iterator(); elements.hasNext(); ) {
Object obj = elements.next();
if (obj instanceof IAdaptable) {
IAdaptable element = (IAdaptable) obj;
if (verifyElement(element) == false) {
return false;
}
} else {
return false;
}
}
return true;
}
/**
* Returns true if given structured selection matches the conditions specified in the registry for
* this action.
*/
private boolean isEnabledFor(ISelection sel) {
Object obj = sel;
int count = sel.isEmpty() ? 0 : 1;
if (verifySelectionCount(count) == false) {
return false;
}
// Compare selection to enablement expression.
if (enablementExpression != null) {
return enablementExpression.isEnabledFor(obj);
}
// Compare selection to class requirements.
if (classes.isEmpty()) {
return true;
}
if (obj instanceof IAdaptable) {
IAdaptable element = (IAdaptable) obj;
if (verifyElement(element) == false) {
return false;
}
} else {
return false;
}
return true;
}
/**
* Verifies if the given element matches one of the selection requirements. Element must at least
* pass the type test, and optionally wildcard name match.
*/
private boolean verifyElement(IAdaptable element) {
if (classes.isEmpty()) {
return true;
}
for (int i = 0; i < classes.size(); i++) {
SelectionClass sc = (SelectionClass) classes.get(i);
if (verifyClass(element, sc.className) == false) {
continue;
}
if (sc.nameFilter == null) {
return true;
}
IWorkbenchAdapter de = (IWorkbenchAdapter) Util.getAdapter(element, IWorkbenchAdapter.class);
if ((de != null) && verifyNameMatch(de.getLabel(element), sc.nameFilter)) {
return true;
}
}
return false;
}
/**
* Returns true if given text selection matches the conditions specified in the registry for this
* action.
*/
private boolean isEnabledFor(ISelection sel, int count) {
if (verifySelectionCount(count) == false) {
return false;
}
// Compare selection to enablement expression.
if (enablementExpression != null) {
return enablementExpression.isEnabledFor(sel);
}
// Compare selection to class requirements.
if (classes.isEmpty()) {
return true;
}
for (int i = 0; i < classes.size(); i++) {
SelectionClass sc = (SelectionClass) classes.get(i);
if (verifyClass(sel, sc.className)) {
return true;
}
}
return false;
}