/// <summary>
/// Initializes a new instance of the SelectPrintContentHelper class.
/// </summary>
/// <param name="designerView">workflow designer view</param>
/// <param name="zoomFactor">zoom factor of workflow designer</param>
/// <param name="rootActivityDesigner">the root activity designer</param>
public SelectPrintContentHelper(FrameworkElement designerView, double zoomFactor, ActivityDesigner rootActivityDesigner)
{
Contract.Requires(designerView != null);
Contract.Requires(rootActivityDesigner != null);
this.designerView = designerView;
this.zoomFactor = zoomFactor;
this.rootActivityDesigner = rootActivityDesigner;
}
public static Visibility GetExpandCollapseButtonVisibility(WorkflowViewElement viewElement)
{
ActivityDesigner designer = viewElement as ActivityDesigner;
bool hasDelegates = (designer != null) && designer.HasActivityDelegates;
Visibility visibility = Visibility.Visible;
if (viewElement == null || viewElement.IsRootDesigner || viewElement.DoesParentAlwaysExpandChild() ||
viewElement.DoesParentAlwaysCollapseChildren() || (viewElement.Content == null && !hasDelegates) ||
!viewElement.Collapsible || !(viewElement is ActivityDesigner))
{
visibility = Visibility.Collapsed;
}
return(visibility);
}
private Selection IsInSection(Rect selection, ActivityDesigner designer)
{
Rect activityDesignerRect = this.GetActivityDesignerRect(designer);
if (selection.Contains(activityDesignerRect))
{
return Selection.In;
}
else if (selection.IntersectsWith(activityDesignerRect))
{
return Selection.Intersect;
}
else
{
return Selection.Out;
}
}
private Rect GetActivityDesignerRect(ActivityDesigner designer)
{
Point offset = GetRelativeOffset(designer, this.designerView);
double designerWidth = this.GetActualSize(designer.ActualWidth);
double designerHeight = this.GetActualSize(designer.ActualHeight);
return new Rect(offset, new Size(designerWidth, designerHeight));
}
private void FilterActivityDesigners(ActivityDesigner rootDesigner, List<ActivityDesigner> foundItems, Rect selection)
{
Selection sel = this.IsInSection(selection, rootDesigner);
if (sel == Selection.In)
{
foundItems.Add(rootDesigner);
}
else if (sel == Selection.Intersect)
{
IEnumerable<DependencyObject> subDesigners = SearchDependencyObjects(rootDesigner, typeof(ActivityDesigner));
if (subDesigners.Any())
{
foreach (var sub in subDesigners)
{
this.FilterActivityDesigners((ActivityDesigner)sub, foundItems, selection);
}
}
}
}
private static bool Load(FrameworkElement element)
{
workflowItem = LoadWorkflowItem(element);
designerView = LoadDeignerView(element);
AdornerDecorator decorator = LoadAdornerDecorator(element);
workflowView = LoadWorkflowView(decorator);
RegisterWorkflowViewEvents(workflowView);
scrollViewer = LoadScrollViewer(decorator);
RegisterScrollViewChanged(scrollViewer);
workflowViewMask = CreateWorkflowViewMask(workflowView);
closeButton = CreateCloseButton(workflowView);
rootActivityDesigner = LoadRootActivityDesigner(workflowView);
if (rootActivityDesigner == null)
{
AddInMessageBoxService.PrintNoneActivityMessage();
ExitPrint();
return false;
}
return true;
}
