public void setChecked(
final CheckboxTreeViewer checkboxTreeViewer, final Collection<IErlModule> modules) {
final Control tree = checkboxTreeViewer.getControl();
tree.setRedraw(false);
try {
doSetChecked(checkboxTreeViewer, modules);
} finally {
tree.setRedraw(true);
}
}
/** Updates the outline page. */
public void update() {
TreeViewer viewer = getTreeViewer();
if (viewer != null) {
Control control = viewer.getControl();
if (control != null && !control.isDisposed()) {
control.setRedraw(false);
viewer.setInput(fInput);
control.setRedraw(true);
}
}
}
/**
* Sets which elements are grayed in this viewer's tree. The given list contains the elements that
* are to be grayed; all other elements are to be ungrayed.
*
* <p>This method is typically used when restoring the interesting state of a viewer captured by
* an earlier call to <code>getGrayedElements</code>.
*
* @param elements the array of grayed elements
* @see #getGrayedElements
*/
public void setGrayedElements(Object[] elements) {
assertElementsNotNull(elements);
CustomHashtable grayedElements = newHashtable(elements.length * 2 + 1);
for (int i = 0; i < elements.length; ++i) {
Object element = elements[i];
// Ensure item exists for element
internalExpand(element, false);
grayedElements.put(element, element);
}
Control tree = getControl();
tree.setRedraw(false);
internalSetGrayed(grayedElements, tree);
tree.setRedraw(true);
}
public void update(OutlineNode input) {
this.input = input;
TreeViewer viewer = getTreeViewer();
if (viewer != null) {
Control control = viewer.getControl();
if (control != null && !control.isDisposed()) {
control.setRedraw(false);
// save viewer state
// ISelection selection = viewer.getSelection();
viewer.getTree().deselectAll();
Object[] expandedElements = viewer.getExpandedElements();
/*
* ArrayList oldNodes = new ArrayList(expandedElements.length);
* for (int i = 0; i < expandedElements.length; i++) {
* oldNodes.add(expandedElements[i]); }
*/
// set new input
viewer.setInput(input);
// restore viewer state
viewer.setExpandedElements(expandedElements);
/*
* ArrayList newNodes = new ArrayList(); OutlineNode newNode;
* for (Iterator iter = this.input.getRootNodes().iterator();
* iter.hasNext();) { newNode = (OutlineNode)iter.next();
* restoreExpandState(newNode, oldNodes, newNodes); }
*/
control.setRedraw(true);
}
}
}