public void testCheckProviderWithFilter() {
CheckboxTreeViewer ctv = (CheckboxTreeViewer) fViewer;
final CheckStateProviderTestsUtil.Filter filter = new CheckStateProviderTestsUtil.Filter();
ctv.addFilter(filter);
// First provider
// Should cause visible items' check state adhere to provider
final TestCheckStateProvider checkStateProvider = new TestCheckStateProvider(0);
ctv.setCheckStateProvider(checkStateProvider);
ctv.expandAll();
// Check that all states are properly set
checkAllStates("Testing checkbox state with a sorter", ctv, 0);
// Check that the provider is only invoked on elements which pass the filter
for (Iterator i = checkStateProvider.isCheckedInvokedOn.iterator(); i.hasNext(); ) {
TestElement element = (TestElement) i.next();
assertTrue(
"The check provider should not be invoked on elements which did not get through the filter",
filter.select(ctv, null, element));
}
for (Iterator i = checkStateProvider.isGrayedInvokedOn.iterator(); i.hasNext(); ) {
TestElement element = (TestElement) i.next();
assertTrue(
"The check provider should not be invoked on elements which did not get through the filter",
filter.select(ctv, null, element));
}
}
/**
* Creates the tree viewer.
*
* @param parent the parent composite
* @return the tree viewer
*/
protected CheckboxTreeViewer createTreeViewer(Composite parent) {
fViewer = new CheckboxTreeViewer(parent, SWT.BORDER);
fViewer.setContentProvider(fContentProvider);
fViewer.setLabelProvider(fLabelProvider);
fViewer.addCheckStateListener(
new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
updateOKStatus();
}
});
fViewer.setComparator(new ResourceComparator(ResourceComparator.NAME));
if (fFilters != null) {
for (int i = 0; i != fFilters.size(); i++) fViewer.addFilter(fFilters.get(i));
}
fViewer.setInput(fInput);
return fViewer;
}
/**
* Creates the tree viewer.
*
* @param parent the parent composite
* @return the tree viewer
*/
protected CheckboxTreeViewer createTreeViewer(Composite parent) {
if (fContainerMode) {
fViewer = new ContainerCheckedTreeViewer(parent, this.fStyle);
} else {
fViewer = new CheckboxTreeViewer(parent, this.fStyle);
}
fViewer.setContentProvider(fContentProvider);
fViewer.setLabelProvider(fLabelProvider);
fViewer.addCheckStateListener(
new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
updateOKStatus();
}
});
fViewer.setComparator(fComparator);
if (fFilters != null) {
for (int i = 0; i != fFilters.size(); i++) {
fViewer.addFilter((ViewerFilter) fFilters.get(i));
}
}
fViewer.setInput(fInput);
return fViewer;
}
/**
* Adds the given filter to the tree viewer and triggers refiltering and resorting of the
* elements.
*
* @param filter a viewer filter
*/
public void addTreeFilter(ViewerFilter filter) {
fTreeViewer.addFilter(filter);
}