public List <HierarchicalViewModelBase> LoadModel(HierarchicalViewModelBase parent)
{
var list = new List <SiteExplorerNode>();
var service = new MaterialService(User);
if (parent == null)
{
list.AddRange(service.GetTopLevelExplorerItems());
}
else
{
var parentElem = parent as SiteExplorerNodeViewModel;
list.AddRange(service.GetExplorerElementsForParent(parentElem.ElemID, parentElem.NodeType));
}
if (Filter != null)
{
list.RemoveAll(Filter);
}
list.Sort((item1, item2) => {
int compare = item1.ElemType.CompareTo(item2.ElemType);
if (compare == 0)
{
return(item1.Name.CompareTo(item2.Name));
}
return(compare);
});
return(list.ConvertAll((model) => {
var viewModel = (HierarchicalViewModelBase) new SiteExplorerNodeViewModel(model);
viewModel.Parent = parent;
return viewModel;
}));
}
public List <HierarchicalViewModelBase> LoadModel(HierarchicalViewModelBase parent)
{
var service = new TaxaService(User);
List <Taxon> model = null;
if (parent == null)
{
model = service.GetTopLevelTaxa();
}
else
{
model = service.GetTaxaForParent((parent as TaxonViewModel).TaxaID.Value);
}
if (model != null)
{
var temp = model.Where((taxon) => {
return(_options == LookupOptions.TaxonExcludeAvailableNames ? !taxon.AvailableName.ValueOrFalse() : true);
}).Select((m) => {
return(new TaxonViewModel(parent, m, _explorer.GenerateTaxonDisplayLabel));
});
var list = new List <HierarchicalViewModelBase>(temp);
return(list);
}
return(null);
}
public DatabaseCommand DeleteItem(HierarchicalViewModelBase selectedItem)
{
var item = selectedItem as SiteExplorerNodeViewModel;
if (item != null)
{
return(new DeleteRegionCommand(item.ElemID));
}
return(null);
}
public int?GetElementIDForViewModel(HierarchicalViewModelBase item)
{
var viewmodel = item as SiteExplorerNodeViewModel;
if (viewmodel != null)
{
return(viewmodel.ElemID);
}
return(null);
}
public int?GetElementIDForViewModel(HierarchicalViewModelBase item)
{
var taxon = item as TaxonViewModel;
if (taxon != null)
{
return(taxon.TaxaID);
}
return(-1);
}
public TaxonViewModel(HierarchicalViewModelBase parent, Taxon taxon, TaxonLabelGenerator labelGenerator, bool isRoot = false)
: base()
{
this.Parent = parent;
this.Taxon = taxon;
this.IsChanged = false;
this.DataChanged += new DataChangedHandler(TaxonViewModel_DataChanged);
_labelGenerator = labelGenerator;
this.IsRootNode = isRoot;
TaxonLabel = GenerateLabel();
}
public DatabaseCommand RenameItem(HierarchicalViewModelBase selectedItem, string newName)
{
var item = selectedItem as SiteExplorerNodeViewModel;
if (item != null)
{
item.Name = newName;
return(new RenameRegionCommand(item.Model));
}
return(null);
}
public ContextMenu GetContextMenu(HierarchicalViewModelBase selected)
{
if (selected is SiteExplorerNodeViewModel)
{
return(SiteExplorerMenuBuilder.Build(selected as SiteExplorerNodeViewModel, Explorer));
}
else if (selected is SiteFavoriteViewModel)
{
var fav = selected as SiteFavoriteViewModel;
return(SiteExplorerMenuBuilder.BuildForFavorite(fav, Explorer));
}
return(null);
}
public SelectionResult CreateSelectionResult(HierarchicalViewModelBase selectedItem)
{
var taxon = selectedItem as TaxonViewModel;
if (taxon != null)
{
var result = new SelectionResult();
result.DataObject = taxon;
result.ObjectID = taxon.TaxaID;
result.Description = taxon.TaxaFullName;
result.LookupType = LookupType.Taxon;
return(result);
}
return(null);
}
protected int FindIDOfParentType(SiteExplorerNodeViewModel node, SiteExplorerNodeType nodeType, int defaultId = -1)
{
HierarchicalViewModelBase p = node;
while (p != null && (p as SiteExplorerNodeViewModel).NodeType != nodeType)
{
p = p.Parent;
}
if (p != null)
{
return((p as SiteExplorerNodeViewModel).ElemID);
}
return(defaultId);
}
internal ContextMenu BuildFavoritesMenu(HierarchicalViewModelBase node)
{
int? favoriteId = null;
bool isFavoriteGroup = false;
if (node is TaxonFavoriteViewModel)
{
var fav = node as TaxonFavoriteViewModel;
favoriteId = fav.FavoriteID;
isFavoriteGroup = fav.IsGroup;
}
ContextMenuBuilder builder = new ContextMenuBuilder(FormatterFunc);
builder.New("TaxonExplorer.menu.ShowInContents").Handler(() => { Explorer.ShowInExplorer(Taxon.TaxaID); });
MenuItem reports = CreateReportMenuItems();
if (reports != null && reports.HasItems)
{
builder.Separator();
builder.New("Distribution _Map").Handler(() => { Explorer.DistributionMap(Taxon); }).End();
builder.AddMenuItem(reports);
}
if (favoriteId != null && favoriteId.HasValue)
{
builder.Separator();
if (isFavoriteGroup)
{
builder.New("Rename group").Handler(() => { Explorer.RenameFavoriteGroup(node as TaxonFavoriteViewModel); });
builder.New("Add favorite group").Handler(() => { Explorer.AddFavoriteGroup(node); }).End();
}
builder.New("Remove from favorites").Handler(() => { Explorer.RemoveFromFavorites(favoriteId.Value); });
}
builder.Separator();
builder.New("_Pin to pin board").Handler(() => { PluginManager.Instance.PinObject(new PinnableObject(TaxaPlugin.TAXA_PLUGIN_NAME, LookupType.Taxon, Taxon.TaxaID.Value)); });
builder.Separator();
builder.New("_Permissions...").Handler(() => Explorer.EditBiotaPermissions(Taxon)).End();
builder.Separator();
builder.New("_Edit Name...").Handler(() => { Explorer.EditTaxonName(Taxon); });
builder.New("_Edit Details...").Handler(() => { Explorer.EditTaxonDetails(Taxon.TaxaID); }).End();
return(builder.ContextMenu);
}
private void DeleteFavoriteGroup(HierarchicalViewModelBase model)
{
var favorite = model as TaxonFavoriteViewModel;
if (favorite == null)
{
return;
}
if (favorite.IsDeleted)
{
return;
}
model.IsDeleted = true;
RegisterUniquePendingChange(new DeleteFavoriteCommand(favorite.FavoriteID));
}
public SelectionResult CreateSelectionResult(HierarchicalViewModelBase selectedItem)
{
var item = selectedItem as SiteExplorerNodeViewModel;
if (item == null)
{
return(null);
}
var result = new SelectionResult();
result.ObjectID = item.ElemID;
result.Description = item.Name;
result.DataObject = item.Model;
result.LookupType = MaterialExplorer.GetLookupTypeFromNodeType(item.NodeType);
return(result);
}
void viewModel_LazyLoadChildren(HierarchicalViewModelBase item)
{
using (new OverrideCursor(Cursors.Wait)) {
var parent = item as SiteExplorerNodeViewModel;
if (parent != null)
{
parent.Children.Clear();
var service = new MaterialService(User);
var list = service.GetExplorerElementsForParent(parent.ElemID, parent.ElemType);
var viewModel = BuildExplorerModel(list, parent.IsFindViewModel);
foreach (HierarchicalViewModelBase childViewModel in viewModel)
{
childViewModel.Parent = parent;
parent.Children.Add(childViewModel);
}
}
}
}
public void ShowInContents(SiteExplorerNodeViewModel node)
{
if (node == null)
{
return;
}
var parentage = new MaterialService(User).GetSiteExplorerNodeParentage(node.ElemID, node.NodeType);
var childlist = RegionsModel;
tabMaterial.InvokeIfRequired(() => {
tabMaterial.SelectedIndex = 0; // ensure contents tab is showing
});
tvwMaterial.InvokeIfRequired(() => {
tvwMaterial.Focus();
});
tvwMaterial.InvokeIfRequired(() => {
HierarchicalViewModelBase child = null;
foreach (SiteExplorerNode element in parentage)
{
child = childlist.FirstOrDefault((vm) => (vm.ObjectID.HasValue ? vm.ObjectID.Value : 0) == element.ElemID);
if (child == null)
{
break;
}
if (child.Parent != null && !child.Parent.IsExpanded)
{
child.Parent.IsExpanded = true;
}
child.IsExpanded = true;
childlist = child.Children;
}
if (child != null)
{
tvwMaterial.BringModelToView(child, regionsNode);
child.IsSelected = true;
}
});
}
public bool CanSelectItem(HierarchicalViewModelBase candidate)
{
var item = candidate as SiteExplorerNodeViewModel;
if (item == null)
{
return(false);
}
foreach (SiteExplorerNodeType nodeType in TargetTypes)
{
if (item.NodeType == nodeType)
{
return(true);
}
}
return(false);
}
private void BuildTaxaChildrenViewModel(HierarchicalViewModelBase item, int taxaID)
{
// The model node is a Taxon favorites, so we can get the 'real' taxon children for it...
item.Children.Clear();
var taxaService = new TaxaService(User);
List <Taxon> taxa = taxaService.GetTaxaForParent(taxaID);
foreach (Taxon taxon in taxa)
{
TaxonViewModel child = new TaxonViewModel(item, taxon, null);
if (child.NumChildren > 0)
{
child.LazyLoadChildren += new HierarchicalViewModelAction(viewModel_LazyLoadChildren);
child.Children.Add(new ViewModelPlaceholder("Loading..."));
}
item.Children.Add(child);
}
}
private void BuildFavoritesModel(HierarchicalViewModelBase root, bool global)
{
var service = new SupportService(User);
var list = service.GetTopTaxaFavorites(global);
foreach (TaxonFavorite item in list)
{
var viewModel = new TaxonFavoriteViewModel(item);
viewModel.Parent = root;
if (item.NumChildren > 0)
{
viewModel.LazyLoadChildren += new HierarchicalViewModelAction(viewModel_LazyLoadChildren);
viewModel.Children.Add(new ViewModelPlaceholder("Loading..."));
}
root.Children.Add(viewModel);
root.IsExpanded = true;
root.Tag = global;
}
}
public void LoadFavorites()
{
if (_model == null)
{
_model = new ObservableCollection <HierarchicalViewModelBase>();
_userRoot = new ViewModelPlaceholder("User Favorites");
_globalRoot = new ViewModelPlaceholder("Global Favorites");
BuildFavoritesModel(_userRoot, false);
BuildFavoritesModel(_globalRoot, true);
_model.Add(_userRoot);
_model.Add(_globalRoot);
tvwFavorites.ItemsSource = _model;
btnCancel.IsEnabled = false;
btnApply.IsEnabled = false;
}
}
private void AddViewModelByPath(ObservableCollection <HierarchicalViewModelBase> collection, TaxonDistribution model)
{
String[] bits = model.DistRegionFullPath.Split('\\');
var pCol = collection;
HierarchicalViewModelBase parent = null;
for (int i = 0; i < bits.Length; ++i)
{
string bit = bits[i];
var current = pCol.FirstOrDefault((candidate) => { return(candidate.DisplayLabel == bit); });
if (current == null)
{
if (i == bits.Length - 1)
{
current = new DistributionViewModel(model, bit);
current.Parent = parent;
current.DataChanged += new DataChangedHandler((d) => {
RegisterUniquePendingChange(new SaveDistributionRegionsCommand(Taxon.Taxon, _model));
});
}
else
{
current = new DistributionPlaceholder(bit);
current.Parent = parent;
parent = current;
}
pCol.Add(current);
}
else
{
parent = current;
if (i == bits.Length - 1)
{
// This region exists already, but will be overridden by this one...
(current as DistributionViewModel).Model = model;
}
}
pCol = current.Children;
}
// return result;
}
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);
}
}
}
}
public ContextMenu GetContextMenu(HierarchicalViewModelBase selected)
{
ContextMenuBuilder builder = new ContextMenuBuilder(null);
int refId = -1;
string refCode = null;
if (selected is ReferenceFavoriteViewModel)
{
var fav = selected as ReferenceFavoriteViewModel;
if (!fav.IsGroup)
{
refId = fav.RefID;
refCode = fav.RefCode;
}
else
{
builder.New("Export favorite group").Handler(() => ExportReferenceFavorite(fav)).End();
}
}
else if (selected is ReferenceSearchResultViewModel)
{
var vm = selected as ReferenceSearchResultViewModel;
refId = vm.RefID;
refCode = vm.RefCode;
}
builder.New("Add New...").Handler(() => RefManager.Owner.AddNewReference()).End();
if (refId >= 0)
{
builder.Separator();
builder.New("Delete").Handler(() => RefManager.DeleteReference(refId, refCode)).End();
builder.Separator();
builder.New("Edit Details...").Handler(() => RefManager.Owner.EditReference(refId)).End();
}
return(builder.ContextMenu);
}
public Data.DatabaseCommand RenameItem(HierarchicalViewModelBase selectedItem, string newName)
{
var taxon = selectedItem as TaxonViewModel;
if (taxon != null)
{
TaxonName name = TaxonNameParser.ParseName(taxon, newName);
if (name != null)
{
taxon.Author = name.Author;
taxon.Epithet = name.Epithet;
taxon.YearOfPub = name.Year;
taxon.ChgComb = name.ChangeCombination;
return(new UpdateTaxonCommand(taxon.Taxon));
}
else
{
ErrorMessage.Show("Please enter at least the epithet, with author and year where appropriate.");
}
}
return(null);
}
internal void AddFavoriteGroup(HierarchicalViewModelBase parent)
{
int parentGroupID = 0;
if (parent == null)
{
return;
}
bool isGlobal = false;
if (parent is ViewModelPlaceholder)
{
isGlobal = (bool)(parent as ViewModelPlaceholder).Tag;
}
else if (parent is TaxonFavoriteViewModel)
{
var parentViewModel = parent as TaxonFavoriteViewModel;
isGlobal = parentViewModel.IsGlobal;
parentGroupID = parentViewModel.FavoriteID;
}
TaxonFavorite model = new TaxonFavorite();
model.IsGroup = true;
model.GroupName = "<New Folder>";
model.IsGlobal = isGlobal;
model.FavoriteParentID = parentGroupID;
TaxonFavoriteViewModel viewModel = new TaxonFavoriteViewModel(model);
viewModel.Parent = parent;
parent.Children.Add(viewModel);
RegisterUniquePendingChange(new InsertFavoriteGroupCommand(model));
viewModel.IsRenaming = true;
}
void vm_LazyLoadChildren(HierarchicalViewModelBase item)
{
using (new OverrideCursor(Cursors.Wait)) {
var groupNode = item as GroupViewModel;
if (groupNode != null)
{
item.Children.Clear();
var service = new SupportService(User);
var permissions = service.GetPermissions(groupNode.GroupID);
var permGroupNodes = new Dictionary <string, PermissionGroupViewModel>();
foreach (PermissionCategory perm in Enum.GetValues(typeof(PermissionCategory)))
{
String desc = PermissionGroups.GetDescriptionForPermission(perm);
PermissionGroupViewModel permGroupNode = null;
if (!permGroupNodes.ContainsKey(desc))
{
permGroupNode = new PermissionGroupViewModel(desc);
item.Children.Insert(0, permGroupNode);
permGroupNodes[desc] = permGroupNode;
}
else
{
permGroupNode = permGroupNodes[desc];
}
var permission = permissions.FirstOrDefault((p) => {
return(p.PermissionID == (int)perm);
});
var mask = permission == null ? 0 : permission.Mask1;
permGroupNode.Children.Add(new PermissionViewModel(groupNode.GroupID, perm, mask));
}
}
}
}
public DatabaseCommand AddNewItem(HierarchicalViewModelBase selectedItem)
{
var parent = selectedItem as SiteExplorerNodeViewModel;
Debug.Assert(parent != null);
var model = new SiteExplorerNode();
model.ElemID = -1;
model.ElemType = "Region";
model.Name = "<New Region>";
model.ParentID = parent.ElemID;
model.RegionID = parent.RegionID;
var viewModel = new SiteExplorerNodeViewModel(model);
parent.Children.Add(viewModel);
viewModel.IsSelected = true;
viewModel.IsRenaming = true;
return(new InsertRegionCommand(viewModel.Model, viewModel));
}
void viewModel_LazyLoadChildren(HierarchicalViewModelBase item)
{
var vm = item as TaxonFavoriteViewModel;
if (vm != null)
{
if (vm.IsGroup)
{
// Load the children of this favorites group...
var service = new SupportService(User);
var list = service.GetTaxaFavorites(vm.FavoriteID, vm.IsGlobal);
vm.Children.Clear();
list.ForEach((tf) => {
var viewModel = new TaxonFavoriteViewModel(tf);
viewModel.Parent = item;
if (tf.NumChildren > 0)
{
viewModel.LazyLoadChildren += new HierarchicalViewModelAction(viewModel_LazyLoadChildren);
viewModel.Children.Add(new ViewModelPlaceholder("Loading..."));
}
vm.Children.Add(viewModel);
});
}
else
{
BuildTaxaChildrenViewModel(item, vm.TaxaID);
}
}
else
{
if (item is TaxonViewModel)
{
var tvm = item as TaxonViewModel;
BuildTaxaChildrenViewModel(item, tvm.TaxaID.Value);
}
}
}
internal SiteExplorerNodeViewModel AddNewNode(HierarchicalViewModelBase parent, SiteExplorerNodeType nodeType, Func <SiteExplorerNodeViewModel, DatabaseCommand> commandFactoryFunction)
{
if (parent != null)
{
parent.IsExpanded = true;
}
var model = new SiteExplorerNode();
model.Name = string.Format("<New {0}>", nodeType.ToString());
if (parent is SiteExplorerNodeViewModel)
{
model.ParentID = (parent as SiteExplorerNodeViewModel).ElemID;
}
model.ElemType = nodeType.ToString();
model.ElemID = -1;
model.RegionID = -1;
var viewModel = new SiteExplorerNodeViewModel(model);
if (parent != null)
{
viewModel.Parent = parent;
parent.Children.Add(viewModel);
}
viewModel.IsSelected = true;
viewModel.IsRenaming = true;
if (commandFactoryFunction != null)
{
RegisterPendingChange(commandFactoryFunction(viewModel), this);
}
return(viewModel);
}
private void BuildTaxaChildrenViewModel(HierarchicalViewModelBase item, int taxaID)
{
// The model node is a Taxon favorites, so we can get the 'real' taxon children for it...
item.Children.Clear();
var taxaService = new TaxaService(User);
List<Taxon> taxa = taxaService.GetTaxaForParent(taxaID);
foreach (Taxon taxon in taxa) {
TaxonViewModel child = new TaxonViewModel(item, taxon, null);
if (child.NumChildren > 0) {
child.LazyLoadChildren += new HierarchicalViewModelAction(viewModel_LazyLoadChildren);
child.Children.Add(new ViewModelPlaceholder("Loading..."));
}
item.Children.Add(child);
}
}
public bool CanSelectItem(HierarchicalViewModelBase candidate)
{
var taxon = candidate as TaxonViewModel;
return taxon != null;
}
public Data.DatabaseCommand RenameItem(HierarchicalViewModelBase selectedItem, string newName)
{
var taxon = selectedItem as TaxonViewModel;
if (taxon != null) {
TaxonName name = TaxonNameParser.ParseName(taxon, newName);
if (name != null) {
taxon.Author = name.Author;
taxon.Epithet = name.Epithet;
taxon.YearOfPub = name.Year;
taxon.ChgComb = name.ChangeCombination;
return new UpdateTaxonCommand(taxon.Taxon);
} else {
ErrorMessage.Show("Please enter at least the epithet, with author and year where appropriate.");
}
}
return null;
}
public int? GetElementIDForViewModel(HierarchicalViewModelBase item)
{
var taxon = item as TaxonViewModel;
if (taxon != null) {
return taxon.TaxaID;
}
return -1;
}
void viewModel_LazyLoadChildren(HierarchicalViewModelBase item)
{
var vm = item as TaxonFavoriteViewModel;
if (vm != null) {
if (vm.IsGroup) {
// Load the children of this favorites group...
var service = new SupportService(User);
var list = service.GetTaxaFavorites(vm.FavoriteID, vm.IsGlobal);
vm.Children.Clear();
list.ForEach((tf) => {
var viewModel = new TaxonFavoriteViewModel(tf);
viewModel.Parent = item;
if (tf.NumChildren > 0) {
viewModel.LazyLoadChildren += new HierarchicalViewModelAction(viewModel_LazyLoadChildren);
viewModel.Children.Add(new ViewModelPlaceholder("Loading..."));
}
vm.Children.Add(viewModel);
});
} else {
BuildTaxaChildrenViewModel(item, vm.TaxaID);
}
} else {
if (item is TaxonViewModel) {
var tvm = item as TaxonViewModel;
BuildTaxaChildrenViewModel(item, tvm.TaxaID.Value);
}
}
}
internal void CollapseChildren(HierarchicalViewModelBase taxon)
{
foreach (HierarchicalViewModelBase m in taxon.Children) {
if (m.IsExpanded) {
CollapseChildren(m);
m.IsExpanded = false;
}
}
}
private void MarkItemAsDeleted(HierarchicalViewModelBase taxon)
{
taxon.IsDeleted = true;
// the alternate way, don'note strikethrough - just remove it, and mark the current as changed
// taxon.Parent.IsChanged = true;
// taxon.Parent.Children.Remove(taxon);
// Although we don'note need to delete children explicitly from the database (the stored proc will take care of that for us),
// we still need to mark each child as deleted in the UI
foreach (HierarchicalViewModelBase child in taxon.Children) {
MarkItemAsDeleted(child);
}
}
internal SiteExplorerNodeViewModel AddRegion(HierarchicalViewModelBase parent)
{
return AddNewNode(parent, SiteExplorerNodeType.Region, (viewModel) => { return new InsertRegionCommand(viewModel.Model, viewModel); });
}
void viewModel_LazyLoadChildren(HierarchicalViewModelBase item)
{
using (new OverrideCursor(Cursors.Wait)) {
var parent = item as SiteExplorerNodeViewModel;
if (parent != null) {
parent.Children.Clear();
var service = new MaterialService(User);
var list = service.GetExplorerElementsForParent(parent.ElemID, parent.ElemType);
var viewModel = BuildExplorerModel(list, parent.IsFindViewModel);
foreach (HierarchicalViewModelBase childViewModel in viewModel) {
childViewModel.Parent = parent;
parent.Children.Add(childViewModel);
}
}
}
}
public void ExpandParentages(HierarchicalViewModelBase rootNode, List<string> expanded)
{
if (expanded != null && expanded.Count > 0) {
var todo = new Stack<HierarchicalViewModelBase>(rootNode.Children);
while (todo.Count > 0) {
var vm = todo.Pop();
if (vm is TaxonViewModel) {
var tvm = vm as TaxonViewModel;
string parentage = tvm.GetParentage();
if (expanded.Contains(parentage)) {
tvm.IsExpanded = true;
expanded.Remove(parentage);
tvm.Children.ForEach(child => todo.Push(child));
}
}
}
}
}
public TaxonViewModel(HierarchicalViewModelBase parent, Taxon taxon, TaxonLabelGenerator labelGenerator, bool isRoot = false)
: base()
{
this.Parent = parent;
this.Taxon = taxon;
this.IsChanged = false;
this.DataChanged += new DataChangedHandler(TaxonViewModel_DataChanged);
_labelGenerator = labelGenerator;
this.IsRootNode = isRoot;
TaxonLabel = GenerateLabel();
}
public void LoadFavorites()
{
if (_model == null) {
_model = new ObservableCollection<HierarchicalViewModelBase>();
_userRoot = new ViewModelPlaceholder("User Favorites");
_globalRoot = new ViewModelPlaceholder("Global Favorites");
BuildFavoritesModel(_userRoot, false);
BuildFavoritesModel(_globalRoot, true);
_model.Add(_userRoot);
_model.Add(_globalRoot);
tvwFavorites.ItemsSource = _model;
btnCancel.IsEnabled = false;
btnApply.IsEnabled = false;
}
}
void item_LazyLoadChildren(HierarchicalViewModelBase item)
{
using (new OverrideCursor(Cursors.Wait)) {
item.Children.Clear();
if (item is TaxonViewModel) {
TaxonViewModel tvm = item as TaxonViewModel;
Debug.Assert(tvm.TaxaID.HasValue, "TaxonViewModel has no favorites id!");
List<Taxon> taxa = Service.GetTaxaForParent(tvm.TaxaID.Value);
foreach (Taxon taxon in taxa) {
TaxonViewModel child = new TaxonViewModel(tvm, taxon, GenerateTaxonDisplayLabel);
if (child.NumChildren > 0) {
child.LazyLoadChildren += new HierarchicalViewModelAction(item_LazyLoadChildren);
child.Children.Add(new ViewModelPlaceholder("Loading..."));
}
item.Children.Add(child);
}
}
}
}
private void AddNewItem(HierarchicalViewModelBase parent)
{
var action = _content.AddNewItem(parent);
if (action != null) {
RegisterPendingChange(action, this);
}
}
private void ShowContextMenu(HierarchicalViewModelBase selected, FrameworkElement control)
{
ContextMenuBuilder builder = new ContextMenuBuilder(null);
if (_content.CanAddNewItem) {
builder.New("Add new").Handler(() => { AddNewItem(selected); }).End();
}
if (_content.CanRenameItem) {
builder.Separator();
builder.New("Rename").Handler(() => { RenameItem(selected); }).End();
}
if (_content.CanDeleteItem) {
builder.Separator();
builder.New("Delete").Handler(() => { DeleteItem(selected); }).End();
}
if (builder.HasItems) {
control.ContextMenu = builder.ContextMenu;
}
}
internal ContextMenu BuildFavoritesMenu(HierarchicalViewModelBase node)
{
int? favoriteId = null;
bool isFavoriteGroup = false;
if (node is TaxonFavoriteViewModel) {
var fav = node as TaxonFavoriteViewModel;
favoriteId = fav.FavoriteID;
isFavoriteGroup = fav.IsGroup;
}
ContextMenuBuilder builder = new ContextMenuBuilder(FormatterFunc);
builder.New("TaxonExplorer.menu.ShowInContents").Handler(() => { Explorer.ShowInExplorer(Taxon.TaxaID); });
MenuItem reports = CreateReportMenuItems();
if (reports != null && reports.HasItems) {
builder.Separator();
builder.New("Distribution _Map").Handler(() => { Explorer.DistributionMap(Taxon); }).End();
builder.AddMenuItem(reports);
}
if (favoriteId != null && favoriteId.HasValue) {
builder.Separator();
if (isFavoriteGroup) {
builder.New("Rename group").Handler(() => { Explorer.RenameFavoriteGroup(node as TaxonFavoriteViewModel); });
builder.New("Add favorite group").Handler(() => { Explorer.AddFavoriteGroup(node); }).End();
}
builder.New("Remove from favorites").Handler(() => { Explorer.RemoveFromFavorites(favoriteId.Value); });
}
builder.Separator();
builder.New("_Pin to pin board").Handler(() => { PluginManager.Instance.PinObject(new PinnableObject(TaxaPlugin.TAXA_PLUGIN_NAME, LookupType.Taxon, Taxon.TaxaID.Value)); });
builder.Separator();
builder.New("_Permissions...").Handler(() => Explorer.EditBiotaPermissions(Taxon)).End();
builder.Separator();
builder.New("_Edit Name...").Handler(() => { Explorer.EditTaxonName(Taxon); });
builder.New("_Edit Details...").Handler(() => { Explorer.EditTaxonDetails(Taxon.TaxaID); }).End();
return builder.ContextMenu;
}
private bool Select(HierarchicalViewModelBase selected)
{
SaveExpandedNodes();
if (_content != null) {
var result = _content.CreateSelectionResult(selected);
if (SelectedAction != null) {
SelectedAction(result);
return true;
}
}
return false;
}
private void DeleteFavoriteGroup(HierarchicalViewModelBase model)
{
var favorite = model as TaxonFavoriteViewModel;
if (favorite == null) {
return;
}
if (favorite.IsDeleted) {
return;
}
model.IsDeleted = true;
RegisterUniquePendingChange(new DeleteFavoriteCommand(favorite.FavoriteID));
}
public int Compare(HierarchicalViewModelBase x, HierarchicalViewModelBase y)
{
return(Compare(x as TaxonViewModel, y as TaxonViewModel));
}
public List<HierarchicalViewModelBase> LoadModel(HierarchicalViewModelBase parent)
{
var service = new TaxaService(User);
List<Taxon> model = null;
if (parent == null) {
model = service.GetTopLevelTaxa();
} else {
model = service.GetTaxaForParent((parent as TaxonViewModel).TaxaID.Value);
}
if (model != null) {
var temp = model.Where((taxon) => {
return _options == LookupOptions.TaxonExcludeAvailableNames ? !taxon.AvailableName.ValueOrFalse() : true;
}).Select((m) => {
return new TaxonViewModel(parent, m, _explorer.GenerateTaxonDisplayLabel);
});
var list = new List<HierarchicalViewModelBase>(temp);
return list;
}
return null;
}
private void RenameItem(HierarchicalViewModelBase item)
{
if (item != null) {
// This starts the rename, and the change is registered when the edit is complete. See EditableTextBlock_EditingComplete
item.IsRenaming = true;
}
}
public Data.DatabaseCommand AddNewItem(HierarchicalViewModelBase selectedItem)
{
throw new NotImplementedException();
}
private ObservableCollection<HierarchicalViewModelBase> LoadModel(HierarchicalViewModelBase parent)
{
var model = new ObservableCollection<HierarchicalViewModelBase>();
if (_content != null) {
var list = _content.LoadModel(parent);
foreach (HierarchicalViewModelBase vm in list) {
vm.Children.Add(new ViewModelPlaceholder("Loading..."));
vm.LazyLoadChildren += new HierarchicalViewModelAction((p) => {
using (new OverrideCursor(Cursors.Wait)) {
p.Children.Clear();
var children = LoadModel(p);
foreach (HierarchicalViewModelBase child in children) {
p.Children.Add(child);
}
}
});
}
model = new ObservableCollection<HierarchicalViewModelBase>(list);
}
return model;
}
public SelectionResult CreateSelectionResult(HierarchicalViewModelBase selectedItem)
{
var taxon = selectedItem as TaxonViewModel;
if (taxon != null) {
var result = new SelectionResult();
result.DataObject = taxon;
result.ObjectID = taxon.TaxaID;
result.Description = taxon.TaxaFullName;
result.LookupType = LookupType.Taxon;
return result;
}
return null;
}
internal SiteExplorerNodeViewModel AddRegion(HierarchicalViewModelBase parent)
{
return(AddNewNode(parent, SiteExplorerNodeType.Region, (viewModel) => { return new InsertRegionCommand(viewModel.Model, viewModel); }));
}
private void BuildFavoritesModel(HierarchicalViewModelBase root, bool global)
{
var service = new SupportService(User);
var list = service.GetTopTaxaFavorites(global);
foreach (TaxonFavorite item in list) {
var viewModel = new TaxonFavoriteViewModel(item);
viewModel.Parent = root;
if (item.NumChildren > 0) {
viewModel.LazyLoadChildren += new HierarchicalViewModelAction(viewModel_LazyLoadChildren);
viewModel.Children.Add(new ViewModelPlaceholder("Loading..."));
}
root.Children.Add(viewModel);
root.IsExpanded = true;
root.Tag = global;
}
}
private string GetParentage(HierarchicalViewModelBase item)
{
if (item != null) {
return GetParentage(item.Parent) + "/" + _content.GetElementIDForViewModel(item);
}
return "";
}
internal void AddFavoriteGroup(HierarchicalViewModelBase parent)
{
int parentGroupID = 0;
if (parent == null) {
return;
}
bool isGlobal = false;
if (parent is ViewModelPlaceholder) {
isGlobal = (bool) (parent as ViewModelPlaceholder).Tag;
} else if (parent is TaxonFavoriteViewModel) {
var parentViewModel = parent as TaxonFavoriteViewModel;
isGlobal = parentViewModel.IsGlobal;
parentGroupID = parentViewModel.FavoriteID;
}
TaxonFavorite model = new TaxonFavorite();
model.IsGroup = true;
model.GroupName = "<New Folder>";
model.IsGlobal = isGlobal;
model.FavoriteParentID = parentGroupID;
TaxonFavoriteViewModel viewModel = new TaxonFavoriteViewModel(model);
viewModel.Parent = parent;
parent.Children.Add(viewModel);
RegisterUniquePendingChange(new InsertFavoriteGroupCommand(model));
viewModel.IsRenaming = true;
}
private void DeleteItem(HierarchicalViewModelBase item)
{
var action = _content.DeleteItem(item);
if (action != null) {
RegisterPendingChange(action, this);
item.IsDeleted = true;
}
}
internal SiteExplorerNodeViewModel AddNewNode(HierarchicalViewModelBase parent, SiteExplorerNodeType nodeType, Func<SiteExplorerNodeViewModel, DatabaseCommand> commandFactoryFunction)
{
if (parent != null) {
parent.IsExpanded = true;
}
var model = new SiteExplorerNode();
model.Name = string.Format("<New {0}>", nodeType.ToString());
if (parent is SiteExplorerNodeViewModel) {
model.ParentID = (parent as SiteExplorerNodeViewModel).ElemID;
}
model.ElemType = nodeType.ToString();
model.ElemID = -1;
model.RegionID = -1;
var viewModel = new SiteExplorerNodeViewModel(model);
if (parent != null) {
viewModel.Parent = parent;
parent.Children.Add(viewModel);
}
viewModel.IsSelected = true;
viewModel.IsRenaming = true;
if (commandFactoryFunction != null) {
RegisterPendingChange(commandFactoryFunction(viewModel), this);
}
return viewModel;
}
internal void AddFavoriteGroup(HierarchicalViewModelBase parentNode)
{
favorites.AddFavoriteGroup(parentNode);
}