private void DoFind()
{
var searchTerm = txtFind.Text;
tvwFind.ItemsSource = null;
if (string.IsNullOrWhiteSpace(searchTerm))
{
ErrorMessage.Show("Please supply a search term");
return;
}
var service = new SupportService(User);
var results = service.FindDistributionRegions(searchTerm);
if (results.Count == 0)
{
InfoBox.Show("No matching regions found.", "No results", this);
return;
}
var model = new ObservableCollection <DistributionRegionViewModel>(results.Select((region) => {
var vm = new DistributionRegionViewModel(region);
vm.LazyLoadChildren += new HierarchicalViewModelAction(vm_LazyLoadChildren);
vm.Children.Add(new ViewModelPlaceholder("Loading..."));
return(vm);
}));
tvwFind.ItemsSource = model;
}
private void RenameRegion(DistributionRegionViewModel selected)
{
if (selected != null)
{
selected.IsRenaming = true;
}
}
private void AddRegion(DistributionRegionViewModel parent)
{
if (parent != null)
{
if (!parent.IsExpanded)
{
parent.IsExpanded = true;
}
var newRegion = new DistributionRegion {
DistRegionName = "<New Distribution Region>", DistRegionParentID = parent.DistRegionID, DistRegionID = -1
};
var newVm = new DistributionRegionViewModel(newRegion);
newVm.Parent = parent;
parent.Children.Add(newVm);
newVm.IsSelected = true;
newVm.IsRenaming = true;
RegisterPendingChange(new InsertDistributionRegionCommand(newRegion, parent.Model));
}
else
{
var newRegion = new DistributionRegion {
DistRegionName = "<New Distribution Region>", DistRegionParentID = 0, DistRegionID = -1
};
var newVm = new DistributionRegionViewModel(newRegion);
RegionsModel.Add(newVm);
newVm.IsSelected = true;
newVm.IsRenaming = true;
RegisterPendingChange(new InsertDistributionRegionCommand(newRegion, null));
}
}
private void RunTaxaForDistRegionReport(DistributionRegionViewModel selected)
{
if (selected != null)
{
PluginManager.Instance.RunReport(Plugin, new TaxaForDistributionRegionReport(User, selected.Model));
}
}
private void DeleteRegion(DistributionRegionViewModel selected)
{
if (selected != null)
{
selected.IsDeleted = true;
selected.Traverse((child) => {
child.IsDeleted = true;
});
RegisterUniquePendingChange(new DeleteDistributionRegion(selected.Model));
}
}
private void ExpandAll(DistributionRegionViewModel selected)
{
using (new OverrideCursor(Cursors.Wait)) {
if (selected != null)
{
selected.Traverse((child) => {
child.IsExpanded = true;
});
}
else
{
RegionsModel.ForEach((vm) => {
vm.Traverse((child) => {
child.IsExpanded = true;
});
});
}
}
}
void vm_LazyLoadChildren(HierarchicalViewModelBase item)
{
var parent = item as DistributionRegionViewModel;
if (parent != null)
{
using (new OverrideCursor(Cursors.Wait)) {
var service = new SupportService(User);
var list = service.GetDistributionRegions(parent.DistRegionID);
parent.Children.Clear();
foreach (DistributionRegion region in list)
{
var childVm = new DistributionRegionViewModel(region);
childVm.Parent = parent;
childVm.LazyLoadChildren += new HierarchicalViewModelAction(vm_LazyLoadChildren);
childVm.Children.Add(new ViewModelPlaceholder("Loading..."));
parent.Children.Add(childVm);
}
}
}
}
private void LoadModel()
{
using (new OverrideCursor(Cursors.Wait)) {
var service = new SupportService(User);
var rootList = service.GetDistributionRegions(0);
RegionsModel = new ObservableCollection <HierarchicalViewModelBase>(rootList.Select((m) => {
var vm = new DistributionRegionViewModel(m);
vm.LazyLoadChildren += new HierarchicalViewModelAction(vm_LazyLoadChildren);
vm.Children.Add(new ViewModelPlaceholder("Loading..."));
return(vm);
}));
regionsNode.ItemsSource = RegionsModel;
regionsNode.IsExpanded = true;
var expanded = Config.GetUser <List <String> >(User, "DistributionRegion.LastExpanded", null);
if (expanded != null)
{
ExpandParentages(RegionsModel, expanded);
}
}
}
