/// <summary>
/// Creates a new instance.
/// </summary>
public NewWizardTreeContentProvider()
{
IConfigurationElement[] configurationElements = ExtensionService.Instance
.GetConfigurationElements(ExtensionPointId);
IConfigurationElement[] categories = configurationElements.Where(x => x.Prefix == "category").ToArray();
IConfigurationElement[] wizards = configurationElements.Where(x => x.Prefix == "wizard").ToArray();
IDictionary <string, CategoryContribution> idToCategoryMap = new Dictionary <string, CategoryContribution>(categories.Length);
// Processing categories
for (int i = -1; ++i < categories.Length;)
{
IConfigurationElement category = categories[i];
string id = category["id"];
string label = category["label"];
CategoryContribution contribution = new CategoryContribution {
Id = id, Label = label
};
idToCategoryMap.Add(id, contribution);
iContributions.Add(contribution);
}
// Processing wizards
for (int i = -1; ++i < wizards.Length;)
{
IConfigurationElement wizard = wizards[i];
string id = wizard["id"];
string category = wizard["category"];
string label = wizard["label"];
string className = wizard["class"];
if (string.IsNullOrEmpty(className))
{
continue;
}
IBundle providingBundle = ExtensionService.Instance.GetProvidingBundle(wizard);
Type wizardType = TypeLoader.TypeForName(providingBundle, className);
IWizard wizardImpl = Activator.CreateInstance(wizardType) as IWizard;
WizardContribution contribution = new WizardContribution {
Id = id, Label = label, Category = category, Wizard = wizardImpl
};
// Is it a categorized item?
if (!string.IsNullOrEmpty(category))
{
CategoryContribution categoryContr;
if (idToCategoryMap.TryGetValue(category, out categoryContr))
{
categoryContr.Wizards.Add(contribution);
continue;
}
}
iContributions.Add(contribution);
}
}
private void OnSelectionChanged(object sender, SelectionEventArgs selectionEventArgs)
{
WizardContribution wizard = selectionEventArgs.Selection as WizardContribution;
bool canLeave = wizard != null;
CanLeave = canLeave;
SelectedWizard = null;
if (wizard != null)
{
SelectedWizard = wizard.Wizard;
}
}
