/// <summary>
/// To make shapes collection panel invisible when item is getting unselection
/// </summary>
/// <param name="param">
/// </param>
private void OnItemUnselectCommandExecute(object param)
{
if ((param as DiagramEventArgs).Item is NodeVM)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
sd.PanelVisibility = Visibility.Collapsed;
}
}
/// <summary>
/// To make shapes collection panel visible when item is getting selection
/// </summary>
/// <param name="param">
/// The param.
/// </param>
private void OnItemSelectionCommandExecute(object param)
{
int val = ((this.SelectedItems as FlowChartSelectorVm).Nodes as ObservableCollection <object>).Count();
if (val == 1)
{
if ((param as DiagramEventArgs).Item is NodeVM)
{
this.FindQuickCommandVisibility(param as DiagramEventArgs);
}
}
else if (val > 1)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
sd.LeftButtonVisibility = Visibility.Hidden;
sd.RightButtonVisibility = Visibility.Hidden;
sd.TopButtonVisibility = Visibility.Hidden;
sd.BottomButtonVisibility = Visibility.Hidden;
}
}
/// <summary>
/// The find quick command visibilty method handles the visibility of the quickcommand.
/// </summary>
/// <param name="param">
/// The param.
/// </param>
private void FindQuickCommandVisibility(DiagramEventArgs param)
{
// right side intersecting bounds
Rect nodeBounds = ((param.Item as NodeVM).Info as INodeInfo).Bounds;
double right_x = nodeBounds.Right + 50;
double right_y = (param.Item as NodeVM).OffsetY - 25;
Rect rightintersectbounds = new Rect(right_x, right_y, 100, 50);
// left side intersecting bounds
double left_x = nodeBounds.Left - 150;
double left_y = (param.Item as NodeVM).OffsetY - 25;
Rect leftIntersectBounds = new Rect(left_x, left_y, 100, 50);
// bottom side intersecting bounds
double bottom_x = (param.Item as NodeVM).OffsetX - 50;
double bottom_y = nodeBounds.Bottom + 50;
Rect bottomIntersectbounds = new Rect(bottom_x, bottom_y, 100, 50);
// top side intersecting bounds
double top_x = (param.Item as NodeVM).OffsetX - 50;
double top_y = nodeBounds.Top - 100;
Rect topIntersectbounds = new Rect(top_x, top_y, 100, 50);
ObservableCollection <NodeVM> nodesCollection = this.Nodes as ObservableCollection <NodeVM>;
double Nodeangle = (param.Item as NodeVM).RotateAngle;
if (nodesCollection != null)
{
if (Nodeangle >= 315 && Nodeangle <= 360 || Nodeangle >= 0 && Nodeangle <= 45)
{
// To hide or show right side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(rightintersectbounds))
{
sd.RightButtonVisibility = Visibility.Hidden;
break;
}
sd.RightButtonVisibility = Visibility.Visible;
}
;
// To hide or show left side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(leftIntersectBounds))
{
sd.LeftButtonVisibility = Visibility.Hidden;
break;
}
sd.LeftButtonVisibility = Visibility.Visible;
}
;
// To hide or show top side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(topIntersectbounds))
{
sd.TopButtonVisibility = Visibility.Hidden;
break;
}
sd.TopButtonVisibility = Visibility.Visible;
}
;
// To hide or show bottom side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(bottomIntersectbounds))
{
sd.BottomButtonVisibility = Visibility.Hidden;
break;
}
sd.BottomButtonVisibility = Visibility.Visible;
}
;
}
else if (Nodeangle >= 45 && Nodeangle <= 135)
{
// To hide or show right side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(rightintersectbounds))
{
sd.TopButtonVisibility = Visibility.Hidden;
break;
}
sd.TopButtonVisibility = Visibility.Visible;
}
;
// To hide or show left side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(leftIntersectBounds))
{
sd.BottomButtonVisibility = Visibility.Hidden;
break;
}
sd.BottomButtonVisibility = Visibility.Visible;
}
;
// To hide or show top side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(topIntersectbounds))
{
sd.LeftButtonVisibility = Visibility.Hidden;
break;
}
sd.LeftButtonVisibility = Visibility.Visible;
}
;
// To hide or show bottom side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(bottomIntersectbounds))
{
sd.RightButtonVisibility = Visibility.Hidden;
break;
}
sd.RightButtonVisibility = Visibility.Visible;
}
;
}
else if (Nodeangle >= 135 && Nodeangle <= 225)
{
// To hide or show right side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(rightintersectbounds))
{
sd.LeftButtonVisibility = Visibility.Hidden;
break;
}
sd.LeftButtonVisibility = Visibility.Visible;
}
;
// To hide or show left side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(leftIntersectBounds))
{
sd.RightButtonVisibility = Visibility.Hidden;
break;
}
sd.RightButtonVisibility = Visibility.Visible;
}
;
// To hide or show top side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(topIntersectbounds))
{
sd.BottomButtonVisibility = Visibility.Hidden;
break;
}
sd.BottomButtonVisibility = Visibility.Visible;
}
;
// To hide or show bottom side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(bottomIntersectbounds))
{
sd.TopButtonVisibility = Visibility.Hidden;
break;
}
sd.TopButtonVisibility = Visibility.Visible;
}
;
}
else if (Nodeangle >= 225 && Nodeangle <= 325)
{
// To hide or show right side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(rightintersectbounds))
{
sd.BottomButtonVisibility = Visibility.Hidden;
break;
}
sd.BottomButtonVisibility = Visibility.Visible;
}
;
// To hide or show left side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(leftIntersectBounds))
{
sd.TopButtonVisibility = Visibility.Hidden;
break;
}
sd.TopButtonVisibility = Visibility.Visible;
}
;
// To hide or show top side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(topIntersectbounds))
{
sd.RightButtonVisibility = Visibility.Hidden;
break;
}
sd.RightButtonVisibility = Visibility.Visible;
}
;
// To hide or show bottom side button
foreach (NodeVM node in nodesCollection)
{
FlowChartSelectorVm sd = this.SelectedItems as FlowChartSelectorVm;
if ((node.Info as INodeInfo).Bounds.IntersectsWith(bottomIntersectbounds))
{
sd.LeftButtonVisibility = Visibility.Hidden;
break;
}
sd.LeftButtonVisibility = Visibility.Visible;
}
;
}
}
}
