private void treeViewCrowd_PreviewDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(Constants.CROWD_MEMBER_DRAG_FROM_CHAR_XPLORER_KEY))
{
FindDropTarget((TreeView)sender, out currentDropItemNode, e);
if (currentDropItemNode != null)
{
var dropMember = (currentDropItemNode != null && currentDropItemNode.IsVisible ? currentDropItemNode.DataContext : null);
var dragMember = e.Data.GetData(Constants.CROWD_MEMBER_DRAG_FROM_CHAR_XPLORER_KEY);
CrowdModel targetCrowd = null;
if (dropMember is CrowdModel)
{
targetCrowd = dropMember as CrowdModel;
currentDropItemNodeParent = currentDropItemNode;
}
else
{
currentDropItemNodeParent = GetImmediateTreeViewItemParent(currentDropItemNode);
targetCrowd = currentDropItemNodeParent != null ? currentDropItemNodeParent.DataContext as CrowdModel : null;
}
this.viewModel.DragDropSelectedCrowdMember(targetCrowd);
}
}
}
private void treeViewCrowd_PreviewKeyUp(object sender, KeyEventArgs e)
{
TreeViewItem treeViewItem = VisualUpwardSearch(e.OriginalSource as DependencyObject);
if (treeViewItem != null)
{
TreeViewItem item = GetRootTreeViewItemParent(treeViewItem);
if (item != null)
{
this.selectedCrowdRoot = item.DataContext as CrowdModel;
}
else
{
this.selectedCrowdRoot = null;
}
if (treeViewItem.DataContext is CrowdModel)
{
treeViewItem = GetImmediateTreeViewItemParent(treeViewItem);
if (treeViewItem != null)
{
this.viewModel.SelectedCrowdParent = treeViewItem.DataContext as CrowdModel;
}
else
{
this.viewModel.SelectedCrowdParent = null;
}
}
else
{
this.viewModel.SelectedCrowdParent = null;
}
}
}
/// <summary>
/// This will recursively expand a matched item and its matched children
/// </summary>
/// <param name="tvi"></param>
private void ExpandMatchedItems(TreeViewItem tvi)
{
if (tvi != null)
{
tvi.UpdateLayout();
if (tvi.Items != null && tvi.Items.Count > 0)
{
for (int i = 0; i < tvi.Items.Count; i++)
{
TreeViewItem item = tvi.ItemContainerGenerator.ContainerFromItem(tvi.Items[i]) as TreeViewItem;
if (item != null)
{
CrowdModel model = item.DataContext as CrowdModel;
if (model != null && model.IsMatched)
{
item.IsExpanded = true;
ExpandMatchedItems(item);
}
else
{
item.IsExpanded = false;
}
}
}
}
}
}
private void viewModel_ExpansionUpdateNeeded(object sender, CustomEventArgs <ExpansionUpdateEvent> e)
{
CrowdModel crowdModel = sender as CrowdModel;
DependencyObject dObject = null;
ExpansionUpdateEvent updateEvent = e.Value;
if (updateEvent == ExpansionUpdateEvent.Filter)
{
ExpandMatchedNode(sender);
}
else if (updateEvent == ExpansionUpdateEvent.DragDrop)
{
if (this.currentDropItemNode != null)
{
this.currentDropItemNode.IsExpanded = true;
}
}
else
{
if (this.selectedCrowdRoot != null && crowdModel != null)
{
TreeViewItem item = treeViewCrowd.ItemContainerGenerator.ContainerFromItem(this.selectedCrowdRoot) as TreeViewItem;
dObject = FindTreeViewItemUnderTreeViewItemByModelName(item, crowdModel.Name);
if (dObject == null)
{
dObject = treeViewCrowd.GetItemFromSelectedObject(crowdModel);
}
}
else
{
dObject = treeViewCrowd.GetItemFromSelectedObject(crowdModel);
}
TreeViewItem tvi = dObject as TreeViewItem;
if (tvi != null)
{
ICrowdMemberModel model = tvi.DataContext as ICrowdMemberModel;
if (tvi.Items != null && tvi.Items.Count > 0)
{
if (updateEvent != ExpansionUpdateEvent.Delete)
{
tvi.IsExpanded = true;
}
else
{
UpdateExpansions(tvi);
}
}
else
{
tvi.IsExpanded = false;
}
}
}
}
public override ICrowdMember Clone()
{
CrowdModel clonedCrowdModel = new CrowdModel(this.Name);
foreach (var member in this.crowdMemberCollection)
{
clonedCrowdModel.Add(member.Clone() as ICrowdMemberModel);
}
clonedCrowdModel.crowdMemberCollection = new HashedObservableCollection <ICrowdMemberModel, string>(clonedCrowdModel.CrowdMemberCollection, x => x.Name, x => x.Order, x => x.Name);
clonedCrowdModel.CrowdMemberCollection = new ReadOnlyHashedObservableCollection <ICrowdMemberModel, string>(clonedCrowdModel.crowdMemberCollection);
return(clonedCrowdModel);
}
public CrowdFromModelsViewModel(IBusyService busyService, IUnityContainer container, IMessageBoxService messageBoxService, IDesktopKeyEventHandler keyEventHandler, EventAggregator eventAggregator)
: base(busyService, container)
{
this.eventAggregator = eventAggregator;
this.messageBoxService = messageBoxService;
this.desktopKeyEventHandler = keyEventHandler;
InitializeCommands();
CreateModelsViewSource();
charExpVM = this.Container.Resolve <CharacterExplorerViewModel>();
this.eventAggregator.GetEvent <CreateCrowdFromModelsEvent>().Subscribe(this.LoadCrowd);
tmpCrowd = new CrowdModel();
InitializeDesktopKeyEventHandlers();
}
/// <summary>
/// This will expand a matched item and its matched children
/// </summary>
/// <param name="sender"></param>
private void ExpandMatchedNode(object sender)
{
CrowdModel crowdModel = sender as CrowdModel;
if (crowdModel.IsMatched)
{
DependencyObject dObject = treeViewCrowd.GetItemFromSelectedObject(crowdModel);
TreeViewItem tvi = dObject as TreeViewItem;
if (tvi != null)
{
tvi.IsExpanded = true;
ExpandMatchedItems(tvi);
}
}
}
private void treeViewCrowd_OnPreviewMouseDown(object sender, MouseButtonEventArgs e)
{
startPoint = e.GetPosition(null);
TreeViewItem treeViewItem = VisualUpwardSearch(e.OriginalSource as DependencyObject);
if (treeViewItem != null)
{
treeViewItem.Focus();
TreeViewItem item = GetRootTreeViewItemParent(treeViewItem);
if (item != null)
{
this.selectedCrowdRoot = item.DataContext as CrowdModel;
}
else
{
this.selectedCrowdRoot = null;
}
if (treeViewItem.DataContext is CrowdModel)
{
treeViewItem = GetImmediateTreeViewItemParent(treeViewItem);
if (treeViewItem != null)
{
this.viewModel.SelectedCrowdParent = treeViewItem.DataContext as CrowdModel;
}
else
{
this.viewModel.SelectedCrowdParent = null;
}
}
else
{
this.viewModel.SelectedCrowdParent = null;
}
}
}
private void viewModel_EditNeeded(object sender, CustomEventArgs <string> e)
{
ICrowdMemberModel modelToSelect = sender as ICrowdMemberModel;
if (sender == null) // need to unselect
{
DependencyObject dObject = treeViewCrowd.GetItemFromSelectedObject(treeViewCrowd.SelectedItem);
TreeViewItem tvi = dObject as TreeViewItem; // got the selected treeviewitem
if (tvi != null)
{
tvi.IsSelected = false;
this.selectedCrowdRoot = null;
}
}
else
{
bool itemFound = false;
TextBox txtBox = null;
treeViewCrowd.UpdateLayout();
if (this.viewModel.SelectedCrowdModel == null)
{
var allCharsCrowd = this.viewModel.CrowdCollection[Constants.ALL_CHARACTER_CROWD_NAME];
if (allCharsCrowd != null)
{
TreeViewItem firstItem = treeViewCrowd.ItemContainerGenerator.ContainerFromItem(allCharsCrowd) as TreeViewItem;
if (firstItem != null)
{
firstItem.IsSelected = true;
this.viewModel.SelectedCrowdModel = firstItem.DataContext as CrowdModel;
}
}
}
if (sender is CrowdModel)
{
if (this.viewModel.SelectedCrowdModel == null || this.viewModel.SelectedCrowdModel.Name == Constants.ALL_CHARACTER_CROWD_NAME) // A new crowd has been added to the collection
{
for (int i = 0; i < treeViewCrowd.Items.Count; i++)
{
TreeViewItem item = treeViewCrowd.ItemContainerGenerator.ContainerFromItem(treeViewCrowd.Items[i]) as TreeViewItem;
if (item != null)
{
var model = item.DataContext as ICrowdMemberModel;
if (model.Name == modelToSelect.Name)
{
item.IsSelected = true;
itemFound = true;
txtBox = FindTextBoxInTemplate(item);
this.viewModel.SelectedCrowdModel = model as CrowdModel;
break;
}
}
}
}
}
if (!itemFound)
{
DependencyObject dObject = null;
if (e != null) // Something sent as event args
{
if (e.Value == "EditAfterDragDrop" && this.currentDropItemNodeParent != null)
{
dObject = currentDropItemNodeParent;
}
}
else
{
if (this.selectedCrowdRoot != null && this.viewModel.SelectedCrowdModel != null)
{
TreeViewItem item = treeViewCrowd.ItemContainerGenerator.ContainerFromItem(this.selectedCrowdRoot) as TreeViewItem;
dObject = FindTreeViewItemUnderTreeViewItemByModelName(item, this.viewModel.SelectedCrowdModel.Name);
}
else
{
dObject = treeViewCrowd.GetItemFromSelectedObject(this.viewModel.SelectedCrowdModel);
}
}
TreeViewItem tvi = dObject as TreeViewItem; // got the selected treeviewitem
if (tvi != null)
{
ICrowdMemberModel model = tvi.DataContext as ICrowdMemberModel;
if (tvi.Items != null)
{
tvi.IsExpanded = true;
tvi.UpdateLayout();
for (int i = 0; i < tvi.Items.Count; i++)
{
TreeViewItem item = tvi.ItemContainerGenerator.ContainerFromItem(tvi.Items[i]) as TreeViewItem;
if (item != null)
{
model = item.DataContext as ICrowdMemberModel;
if (model.Name == modelToSelect.Name)
{
item.IsSelected = true;
itemFound = true;
item.UpdateLayout();
txtBox = FindTextBoxInTemplate(item);
if (model is CrowdModel)
{
this.viewModel.SelectedCrowdModel = model as CrowdModel;
this.viewModel.SelectedCrowdParent = tvi.DataContext as CrowdModel;
}
else
{
this.viewModel.SelectedCrowdMemberModel = model as CrowdMemberModel;
this.viewModel.SelectedCrowdModel = tvi.DataContext as CrowdModel;
}
if (this.selectedCrowdRoot == null)
{
this.selectedCrowdRoot = tvi.DataContext as CrowdModel;
}
break;
}
}
}
}
}
}
if (txtBox != null)
{
this.viewModel.EnterEditModeCommand.Execute(txtBox);
}
}
}
private void LoadCrowd(CrowdModel crowd)
{
Filter = null;
this.EditedCrowd = crowd;
this.Visibility = Visibility.Visible;
}
