/**
* Write all state to persistent properties in the given project
*
* @param p
*/
public void persistState() {
TableTreeItem[] items = getItems();
for (TableTreeItem item : items) {
String id = (String) item.getData("id");
String val = (item.getChecked()) ? "true" : "false";
String mPatterns = item.getText(1);
try {
project.setPersistentProperty(
new QualifiedName(Constants.PLUGIN_ID, id + ".enabled"), val);
project.setPersistentProperty(
new QualifiedName(Constants.PLUGIN_ID, id + ".patterns"), mPatterns);
TableTreeItem[] folders = item.getItems();
for (TableTreeItem folder : folders) {
IPackageFragmentRoot f = (IPackageFragmentRoot) folder.getData("element");
String handle = f.getHandleIdentifier();
String fVal = (folder.getChecked()) ? "true" : "false";
String fPatterns = folder.getText(1);
project.setPersistentProperty(
new QualifiedName(Constants.PLUGIN_ID, id + "_" + handle + ".enabled"), fVal);
project.setPersistentProperty(
new QualifiedName(Constants.PLUGIN_ID, id + "_" + handle + ".patterns"), fPatterns);
}
} catch (CoreException e) {
Log.logError("Could not persist property", e);
}
}
}
/**
* 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);
}
/**
* Check to see that all required metrics for item are met.
*
* @param item item to be checked
* @param j index of metric to check
* @return true if all required metrics of given metric are checked
*/
private boolean allowEnable(TableTreeItem item) {
MetricDescriptor md = (MetricDescriptor) item.getData("md");
String[] requires = md.getRequiredMetricIds();
if (requires != null && requires.length > 0) {
for (String require : requires) {
TableTreeItem reqItem = rowLookup.get(require);
if (!reqItem.getChecked()) {
return false;
}
}
}
return true;
}
/**
* enable/disable all metrics that depend on the given metric
*
* @param descriptor
* @param enable
*/
private void enableDependentMetrics(MetricDescriptor descriptor, boolean enable) {
MetricsPlugin plugin = MetricsPlugin.getDefault();
String[] dependents = plugin.getDependentMetrics(descriptor);
TableTreeItem[] items = getItems();
if (dependents != null && dependents.length > 0) {
for (String dependent : dependents) {
for (TableTreeItem item : items) {
String id = (String) item.getData("id");
if (id.equals(dependent)) {
if (!enable) { // simply disable
enableItem(item, false, true);
} else {
// check all requirements and if ok, enable
if (allowEnable(item)) {
enableItem(item, true, false);
}
}
}
}
}
}
}
