/**
* Helper method that fills the values of the "root element" combo box based on the currently
* selected type radio button. Also disables the combo is there's only one choice. Always select
* the first root element for the given type.
*
* @param type The currently selected {@link TypeInfo}, or null
*/
private void updateRootCombo(TypeInfo type) {
IBaseLabelProvider labelProvider =
new ColumnLabelProvider() {
@Override
public Image getImage(Object element) {
return IconFactory.getInstance().getIcon(element.toString());
}
};
mRootTableViewer.setContentProvider(new ArrayContentProvider());
mRootTableViewer.setLabelProvider(labelProvider);
if (type != null) {
// get the list of roots. The list can be empty but not null.
ArrayList<String> roots = type.getRoots();
mRootTableViewer.setInput(roots.toArray());
int index = 0; // default is to select the first one
String defaultRoot = type.getDefaultRoot(mValues.project);
if (defaultRoot != null) {
index = roots.indexOf(defaultRoot);
}
mRootTable.select(index < 0 ? 0 : index);
mRootTable.showSelection();
}
}
/** Initialize the root values of the type infos based on the current framework values. */
private void initializeRootValues() {
IProject project = mValues.project;
for (TypeInfo type : sTypes) {
// Clear all the roots for this type
ArrayList<String> roots = type.getRoots();
if (roots.size() > 0) {
roots.clear();
}
// depending of the type of the seed, initialize the root in different ways
Object rootSeed = type.getRootSeed();
if (rootSeed instanceof String) {
// The seed is a single string, Add it as-is.
roots.add((String) rootSeed);
} else if (rootSeed instanceof String[]) {
// The seed is an array of strings. Add them as-is.
for (String value : (String[]) rootSeed) {
roots.add(value);
}
} else if (rootSeed instanceof Integer && project != null) {
// The seed is a descriptor reference defined in AndroidTargetData.DESCRIPTOR_*
// In this case add all the children element descriptors defined, recursively,
// and avoid infinite recursion by keeping track of what has already been added.
// Note: if project is null, the root list will be empty since it has been
// cleared above.
// get the AndroidTargetData from the project
IAndroidTarget target = null;
AndroidTargetData data = null;
target = Sdk.getCurrent().getTarget(project);
if (target == null) {
// A project should have a target. The target can be missing if the project
// is an old project for which a target hasn't been affected or if the
// target no longer exists in this SDK. Simply log the error and dismiss.
AdtPlugin.log(
IStatus.INFO,
"NewXmlFile wizard: no platform target for project %s", //$NON-NLS-1$
project.getName());
continue;
} else {
data = Sdk.getCurrent().getTargetData(target);
if (data == null) {
// We should have both a target and its data.
// However if the wizard is invoked whilst the platform is still being
// loaded we can end up in a weird case where we have a target but it
// doesn't have any data yet.
// Lets log a warning and silently ignore this root.
AdtPlugin.log(
IStatus.INFO,
"NewXmlFile wizard: no data for target %s, project %s", //$NON-NLS-1$
target.getName(),
project.getName());
continue;
}
}
IDescriptorProvider provider = data.getDescriptorProvider((Integer) rootSeed);
ElementDescriptor descriptor = provider.getDescriptor();
if (descriptor != null) {
HashSet<ElementDescriptor> visited = new HashSet<ElementDescriptor>();
initRootElementDescriptor(roots, descriptor, visited);
}
// Sort alphabetically.
Collections.sort(roots);
}
}
}
