private void updateTreeCheckboxesForItem(TreeItem item) {
ICheckboxTreeContentProvider contentProvider = contentProvider();
while (item != null) {
item.setChecked(contentProvider.isChecked(item.getData()));
item = ((TreeViewerAccess) treeViewer).getNextItem(item, true);
}
}
public void updateTableCheckboxes() {
ICheckboxTreeContentProvider contentProvider = contentProvider();
Table table = tableViewer.getTable();
int count = table.getItemCount();
for (int i = 0; i < count; i++) {
TableItem item = table.getItem(i);
item.setChecked(contentProvider.isChecked(item.getData()));
}
}
public void updateTreeCheckboxesForAncestor(Object element) {
ICheckboxTreeContentProvider contentProvider = contentProvider();
if (element != null) {
treeViewer.setChecked(element, contentProvider.isChecked(element));
}
if (element == null) {
TreeItem[] items = treeViewer.getTree().getItems();
for (int i = 0, count = items.length; i < count; i++) {
updateTreeCheckboxesForItem(items[i]);
}
} else {
TreeItem item = ((TreeViewerAccess) treeViewer).itemForElement(element);
updateTreeCheckboxesForItem(item);
}
}
public void checkStateChanged(CheckStateChangedEvent event) {
if (ignoreCheckStateChanges) {
return;
}
ICheckboxTreeContentProvider contentProvider = contentProvider();
Object element = event.getElement();
// Update the model
contentProvider.setCheckedState(element, event.getChecked());
// Update the UI
ignoreCheckStateChanges = true;
try {
updateTreeCheckboxesForAncestor(element);
updateTableCheckboxes();
} finally {
ignoreCheckStateChanges = false;
}
}
