/// <summary>
/// Defines behoaviour when a group is clicked. If not all connectors in the group are selected, then it selects them.
/// If there are all connectors in the group selected, then the funcion deselects them.
/// </summary>
/// <param name="group">Group to check and de/select items in.</param>
private void OnGroupClicked(ConnectorGroupViewModel group)
{
bool allConnectorsInGroupSelected = true;
foreach (var connector in group.ConnectorViewModels)
{
if (!this.IsConnectorSelected(connector))
{
allConnectorsInGroupSelected = false;
}
}
if (allConnectorsInGroupSelected)
{
foreach (var connector in group.ConnectorViewModels)
{
this.DeselectConnector(connector);
}
}
else
{
foreach (var connector in group.ConnectorViewModels)
{
this.SelectConnector(connector);
}
}
}
/// <summary>
/// Defines behaviour when an item in tree is clicked with Ctrl.
/// </summary>
/// <param name="sender">sender item.</param>
/// <param name="e">event args.</param>
private void ControlLeftMouseDownHandler(object sender, MouseButtonEventArgs e)
{
TreeViewItem item = (TreeViewItem)sender;
if (item == null)
{
return;
}
var connector = new ConnectorViewModel();
if (item.Header is ConnectorViewModel)
{
connector = (ConnectorViewModel)item.Header;
this.OnCtrlProjectClicked(connector);
}
else
{
var group = new ConnectorGroupViewModel();
if (item.Header is ConnectorGroupViewModel)
{
group = (ConnectorGroupViewModel)item.Header;
this.OnGroupClicked(group);
}
}
this.model.UpdateSelectedConnectors(this.selectedConnectors);
}
/// <summary>
/// Based on group and connector function generates container from item and calls style set for the generated container.
/// </summary>
/// <param name="connectorGroupViewModel">Group of the connector.</param>
/// <param name="connectorViewModel">Connector to set its style.</param>
private void SetConnectorInGroupStyle(ConnectorGroupViewModel connectorGroupViewModel, ConnectorViewModel connectorViewModel)
{
TreeViewItem groupTreeViewItem = (TreeViewItem)this.mainTreeView.ItemContainerGenerator.ContainerFromItem(connectorGroupViewModel);
var treeViewItemInGroup = (TreeViewItem)groupTreeViewItem?.ItemContainerGenerator.ContainerFromItem(connectorViewModel)
?? (TreeViewItem)this.mainTreeView.ItemContainerGenerator.ContainerFromItem(connectorViewModel);
if (treeViewItemInGroup != null)
{
this.SetStyle(ref treeViewItemInGroup);
}
}
/// <summary>
/// Defines behaviour when LMB is released.
/// </summary>
/// <param name="sender">sender item.</param>
/// <param name="e">event args.</param>
private void ControlLeftMouseUpHandler(object sender, MouseButtonEventArgs e)
{
TreeViewItem item = (TreeViewItem)sender;
var connector = new ConnectorViewModel();
if (item == null)
{
return;
}
if (item.Header is ConnectorViewModel)
{
connector = (ConnectorViewModel)item.Header;
this.DeselectAllConnectors();
this.connectorItemEventFired = true;
this.OnCtrlProjectClicked(connector);
}
else
{
if (this.connectorItemEventFired)
{
this.connectorItemEventFired = false;
}
else
{
var group = new ConnectorGroupViewModel();
if (item.Header is ConnectorGroupViewModel)
{
group = (ConnectorGroupViewModel)item.Header;
this.DeselectAllConnectors();
this.OnGroupClicked(group);
}
}
}
this.model.UpdateSelectedConnectors(this.selectedConnectors);
}
