/** Populate tree. */
protected void populateTree() {
if (getTreeViewer() == null
|| getTreeViewer().getTree() == null
|| getViewInfo() == null
|| getDiagram() == null) {
return;
}
Diagram diagram = getDiagram();
Collection<Integer> filters = MDTUtil.getAllViewsToFilterFromDiagram(diagram);
for (TreeItem item : getTreeViewer().getTree().getItems()) {
Object data = item.getData();
if (data instanceof ViewInfo) {
ViewInfo info = (ViewInfo) data;
if (filters.contains(info.getVisualID())) {
item.setChecked(false);
} else {
item.setChecked(true);
}
if (((ViewInfo) data).isSelectable() == false) {
item.setForeground(ColorConstants.gray);
}
}
setChecked(item, filters);
}
}
/**
* Sets the checked.
*
* @param root the root
* @param filters the filters
*/
protected void setChecked(TreeItem root, Collection<Integer> filters) {
for (TreeItem item : root.getItems()) {
Object data = item.getData();
if (data instanceof ViewInfo) {
ViewInfo info = (ViewInfo) data;
if (filters.contains(info.getVisualID())) {
item.setChecked(false);
} else {
item.setChecked(true);
}
}
setChecked(item, filters);
}
}
/**
* When one element from the tree is selected, all elements with the same VisualID are put into
* the same state (checked or unchecked).
*
* @param items
* @param visualID
* @param check
*/
protected void setAllVisualIDsChecked(TreeItem[] items, int visualID, boolean check) {
ViewInfo viewInfo = null;
for (TreeItem item : items) {
if (item != null) {
viewInfo =
(ViewInfo) Platform.getAdapterManager().getAdapter(item.getData(), ViewInfo.class);
if (viewInfo != null && visualID == viewInfo.getVisualID()) {
item.setChecked(check);
}
if (item.getItems() != null) {
setAllVisualIDsChecked(item.getItems(), visualID, check);
}
}
}
}
protected void treeItemSelected(SelectionEvent e) {
if (e.detail == SWT.CHECK && isChecking == false) {
isChecking = true;
try {
Object data = e.item.getData();
ViewInfo viewInfo =
(ViewInfo) Platform.getAdapterManager().getAdapter(data, ViewInfo.class);
TreeItem item = (TreeItem) Platform.getAdapterManager().getAdapter(e.item, TreeItem.class);
if (viewInfo != null && item != null && getTreeViewer().getTree().getItems() != null) {
if (viewInfo.isSelectable()) {
setAllVisualIDsChecked(
getTreeViewer().getTree().getItems(), viewInfo.getVisualID(), item.getChecked());
} else {
item.setChecked(!item.getChecked());
}
}
} finally {
isChecking = false;
}
}
}
