public virtual bool CloseWorkspace(IViewServiceProvider provider, IWorkspaceConstruct construct) {
bool? confirmation = (construct.ViewModel as IWorkspaceViewModel)?.Closing(provider);
if (confirmation.HasValue && !confirmation.Value) {
return false;
}
return Workspaces.Remove(construct);
}
public bool TryFind(IWorkspaceConstruct construct, out int index) {
index = -1;
if (construct.WorkspaceID == null) {
return false;
}
for (int i = 0; i < Workspaces.Count; i++) {
IWorkspaceConstruct item = Workspaces[i];
if (item.ViewModelType == construct.ViewModelType && object.Equals(item.WorkspaceID, construct.WorkspaceID)) {
index = i;
return true;
}
}
return false;
}
public virtual void ShowWorkspace(IWorkspaceConstruct construct) {
int i;
if (TryFind(construct, out i)) {
Workspaces[i].IsActive = true;
} else {
construct.Build();
construct.IsActive = true;
Workspaces.Add(construct);
construct.IsAttached = true;
var handle = Created;
if (handle != null) {
handle(construct);
}
}
}
