/*
* (non-Javadoc) react to check/uncheck events and check/uncheck and gray/ungray children and dependent metrics
*
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse .swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent e) {
TableTreeItem item = (TableTreeItem) e.item;
if (item != null) {
boolean checked = item.getChecked();
if (e.detail == 32) {
// check to see if metric can be enabled and undo check if
// it can't
TableTreeItem parent = item.getParentItem();
if (parent == null) {
if (checked) {
if (allowEnable(item)) {
enableItem(item, true, false);
} else { // undo damage done by UI
item.setChecked(false);
item.setGrayed(true);
}
} else {
enableItem(item, false, false);
}
} else {
// disable and gray a folder if metric is disabled
if (!parent.getChecked()) {
item.setChecked(false);
item.setGrayed(true);
}
}
}
addPattern.setEnabled(item.getChecked() && !item.getGrayed());
} else {
addPattern.setEnabled(false);
}
}
/**
* enable/disable an item, its children and dependents elsewhere
*
* @param item
* @param enable
* @param gray
*/
private void enableItem(TableTreeItem item, boolean enable, boolean gray) {
item.setChecked(enable);
item.setGrayed(gray);
TableTreeItem[] children = item.getItems();
for (TableTreeItem element2 : children) {
element2.setChecked(enable);
element2.setGrayed(!enable);
}
enableDependentMetrics((MetricDescriptor) item.getData("md"), enable);
}
private TableTreeItem createNewRow(MetricDescriptor md, IPackageFragmentRoot[] roots) {
TableTreeItem item = new TableTreeItem(this, SWT.NONE);
item.setText(0, md.getName() + " (" + md.getId() + ")");
item.setData("id", md.getId());
item.setData("md", md);
item.setChecked(isEnabled(md.getId()));
String[] patterns = getExclusionPatterns(md.getId());
item.setData("patterns", patterns);
item.setText(1, concat(patterns));
rowLookup.put(md.getId(), item);
for (IPackageFragmentRoot root : roots) {
TableTreeItem next = new TableTreeItem(item, SWT.NONE);
next.setText(0, root.getElementName());
next.setData("id", md.getId());
next.setData("element", root);
next.setData("md", md);
patterns = getExclusionPatterns(md.getId(), root);
next.setData("patterns", patterns);
next.setText(1, concat(patterns));
next.setChecked(isEnabled(md.getId(), root));
next.setGrayed(!item.getChecked());
}
return item;
}