protected override IScriptCommand executeInner(ParameterDic pm, ItemsControl ic, RoutedEventArgs evnt, IUIInput input, IList <IUIInputProcessor> inpProcs)
{
if (!_update)
{
var selectedIdList = pm.ContainsKey("SelectedIdList") ? pm["SelectedIdList"] as List <int>
: new List <int>();
logger.Debug(String.Format("Highlighting {0} items", selectedIdList.Count()));
for (int i = 0; i < ic.Items.Count; i++)
{
DependencyObject item = ic.ItemContainerGenerator.ContainerFromIndex(i);
if (item != null)
{
bool isSelecting = selectedIdList.Contains(i);
//UIEventHubProperties.SetIsSelecting(item, isSelecting);
var selectable = (item as FrameworkElement).DataContext as ISelectable;
if (selectable != null)
{
selectable.IsSelecting = isSelecting;
}
}
}
}
else
{
List <object> unselectedList = pm["UnselectedList"] as List <object>;
List <int> unselectedIdList = pm["UnselectedIdList"] as List <int>;
List <object> selectedList = pm["SelectedList"] as List <object>;
List <int> selectedIdList = pm["SelectedIdList"] as List <int>;
logger.Debug(String.Format("Highlighting {0} items", selectedIdList.Count()));
logger.Debug(String.Format("De-highlighting {0} items", unselectedIdList.Count()));
for (int i = 0; i < ic.Items.Count; i++)
{
DependencyObject ele = ic.ItemContainerGenerator.ContainerFromIndex(i);
ISelectable item = ic.Items[i] as ISelectable;
if (ele != null)
{
bool isSelecting = UIEventHubProperties.GetIsSelecting(ele);
if (isSelecting && unselectedList.Contains(ele))
{
item.IsSelecting = false;
}
//AttachedProperties.SetIsSelecting(item, false);
else if (!isSelecting && selectedList.Contains(ele))
{
item.IsSelecting = true;
}
//AttachedProperties.SetIsSelecting(ele, true);
}
}
}
return(NextCommand);
}
protected override IScriptCommand executeInner(ParameterDic pm, ItemsControl ic,
RoutedEventArgs evnt, IUIInput input, IList <IUIInputProcessor> inpProcs)
{
Point posRelToScp = pm.GetValue <Point>(CurrentRelativePositionKey);
var startSelected = UIEventHubProperties.GetStartSelectedItem(ic);
List <object> selectedList = new List <object>();
List <int> selectedIdList = new List <int>();
var scp = ControlUtils.GetScrollContentPresenter(ic);
var currentSelected = UITools.GetSelectedListBoxItem(scp, posRelToScp);
if (startSelected != null && currentSelected != null)
{
int startIdx = ic.ItemContainerGenerator.IndexFromContainer(startSelected);
int endIdx = ic.ItemContainerGenerator.IndexFromContainer(currentSelected);
for (int i = Math.Min(startIdx, endIdx); i <= Math.Max(startIdx, endIdx); i++)
{
selectedList.Add(ic.Items[i]);
selectedIdList.Add(i);
}
}
//UpdateStartSelectedItems, or clear it if no longer selecting.
if (UIEventHubProperties.GetIsSelecting(ic))
{
if (UIEventHubProperties.GetStartSelectedItem(ic) == null)
{
var itemUnderMouse = UITools.GetSelectedListBoxItem(scp, posRelToScp);
UIEventHubProperties.SetStartSelectedItem(ic, itemUnderMouse);
}
}
else
{
UIEventHubProperties.SetStartSelectedItem(ic, null);
}
if (UIEventHubProperties.GetIsSelecting(ic))
{
if (UIEventHubProperties.GetStartSelectedItem(ic) == null)
{
UITools.SetItemUnderMouseToAttachedProperty(ic, posRelToScp,
UIEventHubProperties.StartSelectedItemProperty);
}
}
pm.SetValue(SelectedListKey, selectedList);
pm.SetValue(SelectedIdListKey, selectedIdList);
logger.Debug(String.Format("Selected = {0}", selectedIdList.Count()));
return(NextCommand);
}
protected override Script.IScriptCommand executeInner(ParameterDic pm, ItemsControl ic, RoutedEventArgs evnt, IUIInput input, IList <IUIInputProcessor> inpProcs)
{
var scp = ControlUtils.GetScrollContentPresenter(ic);
bool isSelecting = UIEventHubProperties.GetIsSelecting(ic);
FindSelectionMode fsMode = FindSelectionMode.HitTest;
IChildInfo icInfo = UITools.FindVisualChild <Panel>(scp) as IChildInfo;
if (icInfo != null)
{
fsMode = FindSelectionMode.IChildInfo;
}
else
if (ic is ListView && (ic as ListView).View is GridView)
{
fsMode = FindSelectionMode.GridView;
}
logger.Debug(String.Format("SelectionMode = {0}", fsMode));
pm.SetValue(FindSelectionModeKey, fsMode, false);
return(NextCommand);
}
protected override Script.IScriptCommand executeInner(ParameterDic pm, ItemsControl sender,
RoutedEventArgs evnt, IUIInput input, IList <IUIInputProcessor> inpProcs)
{
var scp = ControlUtils.GetScrollContentPresenter(sender);
if (scp != null)
{
AdornerLayer adornerLayer = ControlUtils.GetAdornerLayer(sender);
switch (AdornerMode)
{
case UIEventHub.AdornerMode.Attach:
if (adornerLayer == null)
{
return(ResultCommand.Error(new Exception("Adorner layer not found.")));
}
if (UIEventHubProperties.GetSelectionAdorner(scp) == null)
{
Window parentWindow = UITools.FindAncestor <Window>(sender);
Point scpPos = scp.TranslatePoint(new Point(0, 0), sender);
//Create and register adorner.
SelectionAdorner adorner = new SelectionAdorner(scp)
{
//AdjustVector = new Vector(-scpPos.X, -scpPos.Y)
};
pm.SetValue(SelectionAdornerKey, adorner);
UIEventHubProperties.SetSelectionAdorner(scp, adorner);
UIEventHubProperties.SetLastScrollContentPresenter(sender, scp); //For used when detach.
adornerLayer.Add(adorner);
}
break;
case UIEventHub.AdornerMode.Detach:
var lastScp = UIEventHubProperties.GetLastScrollContentPresenter(sender); //For used when detach.
var lastAdorner = UIEventHubProperties.GetSelectionAdorner(scp);
if (lastAdorner != null)
{
adornerLayer.Remove(lastAdorner);
}
UIEventHubProperties.SetLastScrollContentPresenter(sender, null);
UIEventHubProperties.SetSelectionAdorner(scp, null);
pm.SetValue <Object>(SelectionAdornerKey, null);
break;
case UIEventHub.AdornerMode.Update:
var updateAdorner = pm.GetValue <SelectionAdorner>(SelectionAdornerKey) ??
UIEventHubProperties.GetSelectionAdorner(scp);
if (updateAdorner == null)
{
return(ResultCommand.Error(new Exception("Adorner not found.")));
}
updateAdorner.IsSelecting = UIEventHubProperties.GetIsSelecting(sender);
Point startAdjusted = pm.GetValue <Point>("{StartPosition}");
Point current = pm.GetValue <Point>(CurrentPositionKey);
updateAdorner.SetValue(SelectionAdorner.StartPositionProperty, startAdjusted);
updateAdorner.SetValue(SelectionAdorner.EndPositionProperty, current);
break;
}
}
return(NextCommand);
}
