public void TestGetSnapshotGeneric()
{
ActiveCollection <object> test = new ActiveCollection <object>();
CollectionAssert.IsEmpty(test.GetSnapshot());
test.Add("a");
test.Add(this);
Assert.AreEqual(test.GetSnapshot <object>(), new object[] { "a", this });
Assert.AreEqual(test.GetSnapshot <string>(), new string[] { "a" });
}
public void TestGetSnapshot()
{
ActiveCollection <object> test = new ActiveCollection <object>();
CollectionAssert.IsEmpty(test.GetSnapshot());
test.Add("a");
object[] snapshot = test.GetSnapshot();
Assert.AreEqual(snapshot, new object[] { "a" });
test.Add("b");
snapshot = test.GetSnapshot();
Assert.AreEqual(snapshot, new object[] { "a", "b" });
}
/// <summary>
/// Begins dragging any selected items managed by the adapter. May be called
/// by another adapter when it begins dragging.</summary>
/// <param name="initiator">Control adapter that is initiating the drag</param>
void IItemDragAdapter.BeginDrag(ControlAdapter initiator)
{
// drag all selected nodes, and any edges impinging on them
var draggingNodes = new ActiveCollection <Element>();
foreach (var node in m_selectionContext.GetSelection <Element>())
{
draggingNodes.Add(node);
}
m_draggingNodes.AddRange(draggingNodes.GetSnapshot());
var draggingGrpPins = new ActiveCollection <GroupPin>();
// add the selected floating pins
foreach (var grpin in m_selectionContext.GetSelection <GroupPin>())
{
draggingGrpPins.Add(grpin);
}
m_draggingGroupPins.AddRange(draggingGrpPins.GetSnapshot());
if (m_draggingGroupPins.Any())
{
m_originalPinY = new int[m_draggingGroupPins.Count];
for (int i = 0; i < m_originalPinY.Length; i++)
{
m_originalPinY[i] = m_draggingGroupPins[i].Bounds.Location.Y;
}
}
}
void IItemDragAdapter.BeginDrag(ControlAdapter initiator)
{
m_isDragging = true;
// drag all selected nodes, and any edges impinging on them
ActiveCollection <TNode> draggingNodes = new ActiveCollection <TNode>();
List <TEdge> draggingEdges = new List <TEdge>();
HashSet <TNode> nodes = new HashSet <TNode>();
foreach (TNode node in m_selectionContext.GetSelection <TNode>())
{
AddDragNode(node, draggingNodes, nodes);
}
// render all edges connected to the dragging nodes
foreach (TEdge edge in m_graph.Edges)
{
if (nodes.Contains(edge.FromNode) ||
nodes.Contains(edge.ToNode))
{
draggingEdges.Add(edge);
m_graphAdapter.SetStyle(edge, DiagramDrawingStyle.Ghosted);
}
}
m_draggingNodes = draggingNodes.GetSnapshot <TNode>();
m_newPositions = new Point[m_draggingNodes.Length];
m_oldPositions = new Point[m_draggingNodes.Length];
for (int i = 0; i < m_draggingNodes.Length; i++)
{
// Initialize m_newPositions in case the mouse up event occurs before
// a paint event, which can happen during rapid clicking.
Point currentLocation = m_draggingNodes[i].Bounds.Location;
m_newPositions[i] = currentLocation;
m_oldPositions[i] = currentLocation;
}
m_draggingEdges = draggingEdges.ToArray();
}
void IItemDragAdapter.BeginDrag(ControlAdapter initiator)
{
// drag all selected nodes, and any edges impinging on them
ActiveCollection <TNode> draggingNodes = new ActiveCollection <TNode>();
HashSet <TNode> nodes = new HashSet <TNode>();
foreach (TNode node in m_selectionContext.GetSelection <TNode>())
{
AddDragNode(node, draggingNodes, nodes);
}
m_draggingNodes = draggingNodes.GetSnapshot <TNode>();
m_newPositions = new Point[m_draggingNodes.Length];
m_oldPositions = new Point[m_draggingNodes.Length];
for (int i = 0; i < m_draggingNodes.Length; i++)
{
// Initialize m_newPositions in case the mouse up event occurs before
// a paint event, which can happen during rapid clicking.
Point currentLocation = m_draggingNodes[i].Bounds.Location;
m_newPositions[i] = currentLocation;
m_oldPositions[i] = currentLocation;
}
}
/// <summary>
/// Begins dragging any selected items managed by the adapter. May be called
/// by another adapter when it begins dragging.</summary>
/// <param name="initiator">Control adapter that is initiating the drag</param>
void IItemDragAdapter.BeginDrag(ControlAdapter initiator)
{
// drag all selected nodes, and any edges impinging on them
var draggingNodes = new ActiveCollection<Element>();
foreach (var node in m_selectionContext.GetSelection<Element>())
draggingNodes.Add(node);
m_draggingNodes.AddRange(draggingNodes.GetSnapshot());
var draggingGrpPins= new ActiveCollection<GroupPin>();
// add the selected floating pins
foreach (var grpin in m_selectionContext.GetSelection<GroupPin>())
draggingGrpPins.Add(grpin);
m_draggingGroupPins.AddRange(draggingGrpPins.GetSnapshot());
if (m_draggingGroupPins.Any())
{
m_originalPinY = new int[m_draggingGroupPins.Count];
for (int i = 0; i < m_originalPinY.Length; i++)
m_originalPinY[i] = m_draggingGroupPins[i].Bounds.Location.Y;
}
}
/// <summary>
/// Raises the BeginDrag event and performs custom processing</summary>
/// <param name="e">A MouseEventArgs that contains the event data</param>
protected override void OnBeginDrag(MouseEventArgs e)
{
base.OnBeginDrag(e);
if (m_layoutContext != null && e.Button == MouseButtons.Left &&
((Control.ModifierKeys & Keys.Alt) == 0) &&
!AdaptedControl.Capture)
{
m_firstPoint = GdiUtil.InverseTransform(m_transformAdapter.Transform, FirstPoint);
m_mousePick = m_graphAdapter.Pick(FirstPoint);
if (CanDragging())
{
foreach (var itemDragAdapter in AdaptedControl.AsAll <IItemDragAdapter>())
{
if (itemDragAdapter != this)
{
itemDragAdapter.BeginDrag(this);
}
}
// drag all selected nodes, and any edges impinging on them
ActiveCollection <TNode> draggingNodes = new ActiveCollection <TNode>();
HashSet <TNode> nodes = new HashSet <TNode>();
foreach (var node in m_selectionContext.GetSelection <TNode>())
{
if (AllowDragging(node))
{
AddDragNode(node, draggingNodes, nodes);
}
}
m_draggingNodes = draggingNodes.GetSnapshot <TNode>();
if ((m_draggingNodes.Length == 1) && m_draggingNodes[0] == m_mousePick.Item)
{
if (m_mousePick.SubItem != null)
{
if (m_mousePick.SubItem.Is <TNode>()) // favor dragging sub item
{
m_draggingNodes[0] = m_mousePick.SubItem.Cast <TNode>();
}
if (m_mousePick.SubPart.Is <DiagramBorder>()) // sub-container resizing?
{
var borderPart = m_mousePick.SubPart.Cast <DiagramBorder>();
if (m_editableGraphContainer != null && m_editableGraphContainer.CanResize(m_mousePick.SubItem, borderPart))
{
m_firstBound = m_graphAdapter.GetLocalBound(m_mousePick.SubItem.As <TNode>());
m_resizing = true;
m_targetItem = m_mousePick.SubItem;
}
}
}
else if (m_mousePick.Part.Is <DiagramBorder>()) // then favor container resizing
{
var borderPart = m_mousePick.Part.Cast <DiagramBorder>();
if (m_editableGraphContainer != null && m_editableGraphContainer.CanResize(m_mousePick.Item, borderPart))
{
m_firstBound = m_graphAdapter.GetLocalBound(m_mousePick.Item.As <TNode>());
m_resizing = true;
m_targetItem = m_mousePick.Item;
}
}
}
m_newPositions = new Point[m_draggingNodes.Length];
m_oldPositions = new Point[m_draggingNodes.Length];
for (int i = 0; i < m_draggingNodes.Length; i++)
{
// Initialize m_newPositions in case the mouse up event occurs before
// a paint event, which can happen during rapid clicking.
Point currentLocation = m_draggingNodes[i].Bounds.Location;
m_newPositions[i] = currentLocation;
m_oldPositions[i] = currentLocation;
}
AdaptedControl.Capture = true;
if (m_autoTranslateAdapter != null)
{
m_autoTranslateAdapter.Enabled = true;
}
}
}
}
public void TestGetSnapshotGeneric()
{
ActiveCollection<object> test = new ActiveCollection<object>();
CollectionAssert.IsEmpty(test.GetSnapshot());
test.Add("a");
test.Add(this);
Assert.AreEqual(test.GetSnapshot<object>(), new object[] { "a", this });
Assert.AreEqual(test.GetSnapshot<string>(), new string[] { "a" });
}
public void TestGetSnapshot()
{
ActiveCollection<object> test = new ActiveCollection<object>();
CollectionAssert.IsEmpty(test.GetSnapshot());
test.Add("a");
object[] snapshot = test.GetSnapshot();
Assert.AreEqual(snapshot, new object[] { "a" });
test.Add("b");
snapshot = test.GetSnapshot();
Assert.AreEqual(snapshot, new object[] { "a", "b" });
}
