/// <summary>
/// Handles when a mouse button was pressed.
/// </summary>
protected override void OnMouseDown(MouseEventArgs e) {
// the graph has not yet been dragged
_startMousePosition = e.Location;
_lastMousePosition = e.Location;
_objectDragType = ObjectDragTypes.kNone;
_dragAttachment = null;
_dragTargetAttachment = null;
_movedSubItem = null;
_fsmDragMode = FSMDragModes.kNone;
if (!_clipboardPasteMode) {
_currentNode = _rootNodeView.GetInsideNode(_lastMousePosition);
_dragTargetNode = null;
_movedNodeGraph = null;
_movedNode = null;
if (_currentNode != null) {
if (KeyCtrlIsDown || _currentNode.IsFSM || _currentNode.CanBeDragged() &&
(KeyShiftIsDown || _currentNode.Node.ParentCanAdoptChildren)) {
_objectDragType = ObjectDragTypes.kNode;
}
}
} else {
if (_currentNode == null) {
_currentNode = _rootNodeView.GetInsideNode(_lastMousePosition);
}
if (_dragTargetNode == null) {
_dragTargetNode = _currentNode;
}
}
if (e.Button == MouseButtons.Left && _currentNode != null) {
Debug.Check(_nodeLayoutManager != null);
NodeViewData.SubItem subItem = _currentNode.GetSubItem(_currentNode, _nodeLayoutManager.ViewToGraph(e.Location));
NodeViewData.SubItemAttachment attach = subItem as NodeViewData.SubItemAttachment;
if (attach != null && attach.IsSelected) {
_objectDragType = ObjectDragTypes.kAttachment;
}
PointF graphMousePos = _nodeLayoutManager.ViewToGraph(_lastMousePosition);
NodeViewData.RangeType rangeType = _currentNode.CheckFSMArrowRange(graphMousePos, out _fsmSubItem, out _fsmItemBoundingBox);
if (rangeType != NodeViewData.RangeType.kNode) {
_objectDragType = ObjectDragTypes.kNone;
if (Plugin.EditMode == EditModes.Design)
{
if (rangeType == NodeViewData.RangeType.kFSMLeftArrow)
{
_fsmDragMode = FSMDragModes.kLeft;
}
else if (rangeType == NodeViewData.RangeType.kFSMRightArrow)
{
_fsmDragMode = FSMDragModes.kRight;
}
}
}
}
if (_currentNode == null) {
_objectDragType = ObjectDragTypes.kGraph;
}
// focus the view if not focused
if (!Focused) {
// we focus twice to avoid an issue with focusing the view
Parent.Focus();
//OnMouseDown will cal OnGotFocus as well
//Focus();
}
base.OnMouseDown(e);
}
/// <summary>
/// Handles when a mouse button is let go of.
/// </summary>
protected override void OnMouseUp(MouseEventArgs e)
{
_movedSubItem = null;
// check if we were dragging a transition for the FSM.
if (e.Button == MouseButtons.Left && _currentNode != null && ((_objectDragType == ObjectDragTypes.kNode) && _currentNode.IsFSM || _fsmSubItem != null && _fsmDragMode != FSMDragModes.kNone)) {
if (Plugin.EditMode == EditModes.Design && _startMousePosition != e.Location) {
// drag and move the fsm node
if ((_objectDragType == ObjectDragTypes.kNode) && _currentNode.IsFSM) {
UndoManager.Save(this.RootNode);
LayoutChanged();
}
// drag and connector the target node
else {
NodeViewData targetNvd = _rootNodeView.GetInsideNode(e.Location);
if (targetNvd != null && targetNvd.IsFSM && (targetNvd.Parent != null) && _fsmSubItem is NodeViewData.SubItemAttachment) {
NodeViewData.SubItemAttachment subItemAttachment = _fsmSubItem as NodeViewData.SubItemAttachment;
if (subItemAttachment.Attachment != null && subItemAttachment.Attachment.TargetFSMNodeId != targetNvd.Node.Id) {
subItemAttachment.Attachment.TargetFSMNodeId = targetNvd.Node.Id;
UndoManager.Save(this.RootNode);
LayoutChanged();
}
}
}
}
}
// check if we were dragging an existing sub item.
else if (e.Button == MouseButtons.Left && _currentNode != null && _dragTargetNode != null && _dragAttachment != null) {
NodeViewData.SubItem targetSubItem = _dragTargetNode.GetSubItem(_dragTargetNode, _nodeLayoutManager.ViewToGraph(e.Location));
if (KeyCtrlIsDown || targetSubItem != _dragAttachment) {
NodeViewData.SubItemAttachment targetAttachment = targetSubItem as NodeViewData.SubItemAttachment;
if ((_currentNode != _dragTargetNode || targetAttachment != null) &&
this.MoveSubItem(_currentNode, _dragTargetNode, _dragAttachment, targetAttachment, _dragAttachMode == NodeAttachMode.Top, KeyCtrlIsDown)) {
_currentNode.ClickEvent(_currentNode, _nodeLayoutManager.ViewToGraph(e.Location));
LayoutChanged();
}
}
_dragAttachment = null;
_dragTargetAttachment = null;
_dragAttachMode = NodeAttachMode.None;
}
// check if we were dragging or copying an existing node.
else if (e.Button == MouseButtons.Left && (_movedNode != null || _copiedNode != null || _clipboardPasteMode)) {
// if we have a valid target node continue
if (_dragTargetNode != null) {
Node sourceNode = null;
if (_copiedNode != null) {
bool cloneBranch = !(_copiedNode is ReferencedBehavior);
sourceNode = (KeyShiftIsDown && cloneBranch) ? (Nodes.Node)_copiedNode.CloneBranch() : (Nodes.Node)_copiedNode.Clone();
} else if (_clipboardPasteMode) {
bool cloneBranch = !(_clipboardNode is ReferencedBehavior);
sourceNode = (/*KeyShiftIsDown && */cloneBranch) ? (Nodes.Node)_clipboardNode.CloneBranch() : (Nodes.Node)_clipboardNode.Clone();
} else if (_movedNode != null) {
sourceNode = _movedNode;
}
Debug.Check(sourceNode != null);
Node sourceParent = (Node)sourceNode.Parent;
BehaviorNode sourceBehavior = sourceNode.Behavior;
if (_dragTargetNode.Node == sourceNode) {
_dragAttachMode = NodeAttachMode.None;
}
if (_dragAttachMode == NodeAttachMode.Top ||
_dragAttachMode == NodeAttachMode.Bottom ||
_dragAttachMode == NodeAttachMode.Left ||
_dragAttachMode == NodeAttachMode.Right ||
_dragAttachMode == NodeAttachMode.Center) {
// set the prefab dirty for its previous parent
if (sourceParent != null && !string.IsNullOrEmpty(sourceParent.PrefabName)) {
sourceParent.HasOwnPrefabData = true;
}
if (KeyShiftIsDown) {
if (sourceParent != null) {
sourceParent.RemoveChild(sourceNode.ParentConnector, sourceNode);
}
} else {
sourceNode.ExtractNode();
}
}
// move the dragged node to the target node, according to the attach mode
switch (_dragAttachMode) {
// the node will be placed above the target node
case (NodeAttachMode.Top):
int n = _dragTargetNode.Node.ParentConnector.GetChildIndex(_dragTargetNode.Node);
((Node)_dragTargetNode.Node.Parent).AddChild(_dragTargetNode.Node.ParentConnector, sourceNode, n);
_selectedNodePending = sourceNode;
_selectedNodePendingParent = _dragTargetNode.Parent;
LayoutChanged();
break;
// the node will be placed below the target node
case (NodeAttachMode.Bottom):
int m = _dragTargetNode.Node.ParentConnector.GetChildIndex(_dragTargetNode.Node);
((Node)_dragTargetNode.Node.Parent).AddChild(_dragTargetNode.Node.ParentConnector, sourceNode, m + 1);
_selectedNodePending = sourceNode;
_selectedNodePendingParent = _dragTargetNode.Parent;
LayoutChanged();
break;
// the node will be placed in front of the target node
case (NodeAttachMode.Left):
Node parent = (Node)_dragTargetNode.Node.Parent;
Node.Connector conn = _dragTargetNode.Node.ParentConnector;
int o = conn.GetChildIndex(_dragTargetNode.Node);
parent.RemoveChild(conn, _dragTargetNode.Node);
parent.AddChild(conn, sourceNode, o);
BaseNode.Connector sourceConn = sourceNode.GetConnector(conn.Identifier);
Debug.Check(sourceConn != null);
sourceNode.AddChild(sourceConn, _dragTargetNode.Node);
_selectedNodePending = sourceNode;
_selectedNodePendingParent = _dragTargetNode.Parent;
LayoutChanged();
break;
// the node will simply attached to the target node
case (NodeAttachMode.Right):
_dragTargetNode.Node.AddChild(_dragTargetConnector, sourceNode);
_selectedNodePending = sourceNode;
_selectedNodePendingParent = _dragTargetNode;
LayoutChanged();
break;
// the node will replace the target node
case (NodeAttachMode.Center):
if (replaceNode(_dragTargetNode.Node, sourceNode)) {
LayoutChanged();
}
break;
}
if (_dragAttachMode != NodeAttachMode.None) {
// If cloning a node, its Id should be reset.
if (_copiedNode != null || _clipboardPasteMode) {
// Cross two different behavior files
if (_clipboardPasteMode && _clipboardRootNode != this.RootNodeView) {
try {
// Copy the used Pars from the current behavior to the new one.
if (_clipboardNode != null && _clipboardRootNode != null && _clipboardRootNode.Node is Behavior) {
foreach(ParInfo par in((Behavior)(_clipboardRootNode.Node)).LocalVars) {
List<Node.ErrorCheck> result = new List<Node.ErrorCheck>();
Plugin.CheckPar(_clipboardNode, par, ref result);
if (result.Count > 0) {
bool bExist = false;
foreach(ParInfo p in((Behavior)this.RootNode).LocalVars) {
if (p.Name == par.Name) {
bExist = true;
break;
}
}
if (!bExist) {
((Behavior)this.RootNode).LocalVars.Add(par);
}
}
}
}
// reset its properties and methods
sourceNode.ResetMembers(false, this.RootNode.AgentType, true);
} catch {
}
}
// reset its Id
sourceNode.ResetId(true);
}
// update the node's label
sourceNode.OnPropertyValueChanged(false);
// set the prefab dirty for its current parent
if (sourceNode.Parent != null) {
Node parent = (Node)sourceNode.Parent;
if (!string.IsNullOrEmpty(parent.PrefabName)) {
parent.HasOwnPrefabData = true;
sourceNode.SetPrefab(parent.PrefabName, true);
}
}
UndoManager.Save(this.RootNode);
}
}
// reset all the drag data
if (!_clipboardPasteMode) {
_copiedNode = null;
_movedNode = null;
_dragTargetNode = null;
_dragNodeDefaults = null;
_movedNodeGraph = null;
}
// redraw the graph
Invalidate();
}
// popup the menu for the current hit node
else if (e.Button == MouseButtons.Right && !KeyAltIsDown && !KeyCtrlIsDown && !KeyShiftIsDown) {
bool itemEnabled = (SelectedNode != null && SelectedNode.Node.Parent != null);
itemEnabled &= (Plugin.EditMode == EditModes.Design);
deleteMenuItem.ShortcutKeys = Keys.Delete;
deleteTreeMenuItem.ShortcutKeys = Keys.Shift | Keys.Delete;
cutMenuItem.Enabled = SelectedNodeCanBeCut();
cutTreeMenuItem.Enabled = (SelectedNode != null) && !SelectedNode.IsFSM && SelectedTreeCanBeCut();
copyMenuItem.Enabled = itemEnabled;
copySubtreeMenuItem.Enabled = (SelectedNode != null) && !SelectedNode.IsFSM;
pasteMenuItem.Enabled = SelectedNodeCanBePasted();
deleteMenuItem.Enabled = SelectedNodeCanBeDeleted();
deleteTreeMenuItem.Enabled = (SelectedNode != null) && !SelectedNode.IsFSM && SelectedTreeCanBeDeleted();
bool isReferencedBehavior = SelectedNode != null && SelectedNode.Node is ReferencedBehavior;
bool isEvent = SelectedNode != null && SelectedNode.SelectedSubItem != null && SelectedNode.SelectedSubItem.SelectableObject is Attachments.Event;
referenceMenuItem.Enabled = itemEnabled || isReferencedBehavior || isEvent;
referenceMenuItem.Text = (isReferencedBehavior || isEvent) ? Resources.OpenReference : Resources.SaveReference;
disableMenuItem.Enabled = false;
if (itemEnabled)
{
if (SelectedNode.SelectedSubItem != null && SelectedNode.SelectedSubItem.SelectableObject is Attachments.Attachment)
{
Attachments.Attachment attach = SelectedNode.SelectedSubItem.SelectableObject as Attachments.Attachment;
disableMenuItem.Enabled = attach.CanBeDisabled();
disableMenuItem.Text = attach.Enable ? Resources.DisableNode : Resources.EnableNode;
}
else
{
disableMenuItem.Enabled = SelectedNode.Node.CanBeDisabled();
disableMenuItem.Text = SelectedNode.Node.Enable ? Resources.DisableNode : Resources.EnableNode;
}
}
expandMenuItem.Enabled = (SelectedNode != null && SelectedNode.CanBeExpanded());
collapseMenuItem.Enabled = expandMenuItem.Enabled;
expandAllMenuItem.Enabled = expandMenuItem.Enabled;
collapseAllMenuItem.Enabled = expandMenuItem.Enabled;
bool isPrefabInstance = SelectedNode != null && !string.IsNullOrEmpty(SelectedNode.Node.PrefabName);
breakPrefabMenuItem.Enabled = itemEnabled && isPrefabInstance;
if (isPrefabInstance) {
string fullpath = FileManagers.FileManager.GetFullPath(SelectedNode.Node.PrefabName);
isPrefabInstance = File.Exists(fullpath);
}
savePrefabMenuItem.Enabled = itemEnabled;
savePrefabMenuItem.Text = isPrefabInstance ? Resources.OpenPrefab : Resources.SavePrefab;
if (SelectedNode != null) {
Node prefabRoot = SelectedNode.Node.GetPrefabRoot();
string relativeFilename = FileManagers.FileManager.GetRelativePath(this.RootNode.Filename);
applyMenuItem.Enabled = itemEnabled && isPrefabInstance && SelectedNode.Node.PrefabName != relativeFilename && prefabRoot.IsPrefabDataDirty();
}
breakpointMenuItem.Enabled = SelectedNode != null && SelectedNode.Parent != null;
if (SelectedNode != null) {
enterBreakpointMenuItem.Text = SelectedNode.GetBreakpointOperation(HighlightBreakPoint.kEnter);
exitBreakpointMenuItem.Text = SelectedNode.GetBreakpointOperation(HighlightBreakPoint.kExit);
this.beakpointPlanning.Visible = false;
if (SelectedNode.Node is Task) {
this.beakpointPlanning.Visible = true;
beakpointPlanning.Text = SelectedNode.GetBreakpointOperation(HighlightBreakPoint.kPlanning);
}
}
contextMenu.Show(this, new Point(e.X, e.Y));
}
Cursor = Cursors.Default;
_fsmDragMode = FSMDragModes.kNone;
// redraw the graph
Invalidate();
base.OnMouseUp(e);
}
/// <summary>
/// Handles when the mouse is moved.
/// </summary>
protected override void OnMouseMove(MouseEventArgs e)
{
if (_lostFocus)
{
_lostFocus = false;
// update the last ouse position
_lastMousePosition = e.Location;
base.OnMouseMove(e);
return;
}
// returns the mouse under the mouse cursor
NodeViewData nodeFound = _rootNode.IsInside(e.Location);
// clear previously stored node which can cause problems when dragging to another view
//_dragTargetNode = null;
// if a different node is the current one, update it
if (nodeFound != _currentNode || _currentExpandNode != null)
{
if (_dragAttachment == null)
{
_currentNode = nodeFound;
}
if (nodeFound == null)
{
this.toolTip.Hide(this);
}
else if (Settings.Default.ShowNodeToolTips)
{
if (!string.IsNullOrEmpty(nodeFound.ToolTip))
this.toolTipTimer.Start();
}
Invalidate();
}
// check if we are currently dragging the graph
if ((e.Button == MouseButtons.Middle || e.Button == MouseButtons.Left && IsPanMode) && _lastMousePosition != e.Location && !this.contextMenu.Visible)
{
_isGraphDragged = true;
// move the graph according to the last mouse position
_nodeLayoutManager.Offset = new PointF(_nodeLayoutManager.Offset.X - (_lastMousePosition.X - e.X), _nodeLayoutManager.Offset.Y - (_lastMousePosition.Y - e.Y));
Invalidate();
}
// check if we start duplicating an existing node step 1
else if (e.Button == MouseButtons.Left && KeyCtrlIsDown && _lastMousePosition != e.Location && _dragNodeDefaults == null && _copiedNode == null && _currentNode != null && !(_currentNode.Node is BehaviorNode))
{
_movedNode = null;
_copiedNode = _currentNode.Node;
// create the layout manager used to draw the graph
_movedNodeGraph = new NodeLayoutManager(_copiedNode.CloneBranch().CreateNodeViewData(null, _rootNode.RootBehavior), _nodeLayoutManager.EdgePen, _nodeLayoutManager.EdgePenHighlight, _nodeLayoutManager.EdgePenUpdate, _nodeLayoutManager.EdgePenReadOnly, true);
_movedNodeGraph.Scale = 0.3f;
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
// use the existing node as the node defaults
_dragNodeDefaults = _copiedNode;
Invalidate();
}
// check if we are duplicating an existing node step 2
else if (e.Button == MouseButtons.Left && KeyCtrlIsDown && _copiedNode != null)
{
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
_dragTargetNode = _currentNode;
Cursor = _currentNode == null ? Cursors.No : Cursors.Default;
//Point movedGraphGraphPos= new Point(e.Location.X + _movedNodeGraph.Offset.X, e.Location.Y + _movedNodeGraph.Offset.Y /-2);
//_movedNodeGraph.Location= movedGraphGraphPos;
Invalidate();
}
// check if we start dragging an existing node step 1
else if (e.Button == MouseButtons.Left && _lastMousePosition != e.Location && !KeyCtrlIsDown && _movedNode == null && _currentNode != null && !(_currentNode.Node is BehaviorNode))
{
if (_isNodeDragged) // node
{
if (KeyShiftIsDown || _currentNode.Node.ParentCanAdoptChildren)
{
_movedNode = _currentNode.Node;
// create the layout manager used to draw the graph
if (_movedNodeGraph == null)
_movedNodeGraph = new NodeLayoutManager(_movedNode.CloneBranch().CreateNodeViewData(null, _rootNode.RootBehavior), _nodeLayoutManager.EdgePen, _nodeLayoutManager.EdgePenHighlight, _nodeLayoutManager.EdgePenUpdate, _nodeLayoutManager.EdgePenReadOnly, true);
_movedNodeGraph.Scale = 0.3f;
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
}
}
else // attachment
{
_movedNodeGraph = null;
if (_dragAttachment == null)
{
NodeViewData.SubItem subItem = _currentNode.GetSubItem(_currentNode, _nodeLayoutManager.ViewToGraph(e.Location));
_dragAttachment = subItem as NodeViewData.SubItemAttachment;
}
else
{
NodeViewData.SubItem subItem = _currentNode.GetSubItem(_currentNode, _nodeLayoutManager.ViewToGraph(e.Location));
_dragTargetAttachment = subItem as NodeViewData.SubItemAttachment;
Invalidate();
}
}
}
// check if we start dragging an existing node step 2
else if (e.Button == MouseButtons.Left && _movedNode != null && !_clipboardPasteMode)
{
// create the layout manager used to draw the graph
if (_movedNodeGraph == null)
_movedNodeGraph = new NodeLayoutManager(_movedNode.CloneBranch().CreateNodeViewData(null, _rootNode.RootBehavior), _nodeLayoutManager.EdgePen, _nodeLayoutManager.EdgePenHighlight, _nodeLayoutManager.EdgePenUpdate, _nodeLayoutManager.EdgePenReadOnly, true);
_movedNodeGraph.Scale = 0.3f;
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
_dragNodeDefaults = _movedNode;
_dragTargetNode = _currentNode;
Cursor = _currentNode == null ? Cursors.No : Cursors.Default;
Invalidate();
}
else if (e.Button == MouseButtons.Right && IsPanMode && _panStartMousePosition != e.Location)
{
int delta = e.X - (int)_panStartMousePosition.X + (int)_panStartMousePosition.Y - e.Y;
scaleGraph(delta / 16, false);
}
else if (_clipboardPasteMode)
{
if (_movedNodeGraph != null)
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
_dragTargetNode = _currentNode;
Cursor = _currentNode == null ? Cursors.No : Cursors.Default;
Invalidate();
}
else if (_currentNode != null && _dragAttachment == null)
{
// Highlight the expand/collapse flag
PointF graphMousePos = _nodeLayoutManager.ViewToGraph(e.Location);
if (_currentNode.IsInExpandRange(graphMousePos))
{
_currentExpandNode = _currentNode;
Invalidate();
}
else if (_currentExpandNode != null)
{
_currentExpandNode = null;
Invalidate();
}
}
// update the last ouse position
_lastMousePosition = e.Location;
base.OnMouseMove(e);
}
/// <summary>
/// Handles when the mouse is moved.
/// </summary>
protected override void OnMouseMove(MouseEventArgs e) {
if (_lostFocus) {
_lostFocus = false;
// update the last ouse position
_lastMousePosition = e.Location;
base.OnMouseMove(e);
return;
}
// returns the mouse under the mouse cursor
NodeViewData nodeFound = _rootNodeView.GetInsideNode(e.Location);
NodeViewData.SubItem subItemFound = null;
if (nodeFound != null) {
subItemFound = nodeFound.GetSubItem(nodeFound, _nodeLayoutManager.ViewToGraph(e.Location));
} else {
this.toolTip.Hide(this);
}
// clear previously stored node which can cause problems when dragging to another view
//_dragTargetNode = null;
if (nodeFound != null || _currentExpandNode != null || subItemFound != null) {
if (_dragAttachment == null) {
_currentNode = nodeFound;
}
if (Settings.Default.ShowNodeToolTips) {
if (nodeFound != null) {
_nodeToolTip = (subItemFound != null) ? subItemFound.ToolTip : nodeFound.ToolTip;
}
if (!string.IsNullOrEmpty(_nodeToolTip)) {
this.toolTipTimer.Start();
}
}
Invalidate();
}
// check if we are currently dragging the graph
if ((e.Button == MouseButtons.Middle || (e.Button == MouseButtons.Left && _objectDragType == ObjectDragTypes.kGraph)) && _lastMousePosition != e.Location && !this.contextMenu.Visible) {
Cursor = Cursors.SizeAll;
// move the graph according to the last mouse position
_nodeLayoutManager.Offset = new PointF(_nodeLayoutManager.Offset.X - (_lastMousePosition.X - e.X), _nodeLayoutManager.Offset.Y - (_lastMousePosition.Y - e.Y));
Invalidate();
}
// check if we start duplicating an existing node step 1
else if (e.Button == MouseButtons.Left && KeyCtrlIsDown && _lastMousePosition != e.Location && _dragNodeDefaults == null && _copiedNode == null && _currentNode != null && !(_currentNode.Node is BehaviorNode)) {
if (_objectDragType == ObjectDragTypes.kNode) { // node
_movedNode = null;
_copiedNode = _currentNode.Node;
// create the layout manager used to draw the graph
_movedNodeGraph = new NodeLayoutManager(_copiedNode.CloneBranch().CreateNodeViewData(null, _rootNodeView.RootBehavior), _nodeLayoutManager.EdgePen, _nodeLayoutManager.EdgePenSelected, _nodeLayoutManager.EdgePenHighlighted, _nodeLayoutManager.EdgePenUpdate, _nodeLayoutManager.EdgePenReadOnly, true);
_movedNodeGraph.Scale = 0.3f;
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
// use the existing node as the node defaults
_dragNodeDefaults = _copiedNode;
} else if (_objectDragType == ObjectDragTypes.kAttachment) { // attachment
if (_dragAttachment == null) {
NodeViewData.SubItem subItem = _currentNode.GetSubItem(_currentNode, _nodeLayoutManager.ViewToGraph(e.Location));
_dragAttachment = subItem as NodeViewData.SubItemAttachment;
}
}
Invalidate();
}
// check if we are duplicating an existing node step 2
else if (e.Button == MouseButtons.Left && KeyCtrlIsDown && (_copiedNode != null || _dragAttachment != null)) {
if (_objectDragType == ObjectDragTypes.kNode) { // node
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
_dragTargetNode = _currentNode;
Cursor = _currentNode == null ? Cursors.No : Cursors.Default;
//Point movedGraphGraphPos= new Point(e.Location.X + _movedNodeGraph.Offset.X, e.Location.Y + _movedNodeGraph.Offset.Y /-2);
//_movedNodeGraph.Location= movedGraphGraphPos;
} else if (_objectDragType == ObjectDragTypes.kAttachment) { // attachment
_dragTargetNode = nodeFound;
if (_dragTargetNode != null) {
NodeViewData.SubItem subItem = _dragTargetNode.GetSubItem(_dragTargetNode, _nodeLayoutManager.ViewToGraph(e.Location));
_dragTargetAttachment = subItem as NodeViewData.SubItemAttachment;
}
}
Invalidate();
}
// check if we start dragging an existing node step 1
else if (e.Button == MouseButtons.Left && _lastMousePosition != e.Location && !KeyCtrlIsDown && _movedNode == null && _currentNode != null) {
if (_objectDragType == ObjectDragTypes.kNode) { // node
if (_currentNode.CanBeDragged())
{
if (_currentNode.IsFSM)
{
PointF currentGraphMousePos = _nodeLayoutManager.ViewToGraph(e.Location);
PointF lastGraphMousePos = _nodeLayoutManager.ViewToGraph(_lastMousePosition);
_currentNode.ScreenLocation = new PointF(_currentNode.ScreenLocation.X + currentGraphMousePos.X - lastGraphMousePos.X,
_currentNode.ScreenLocation.Y + currentGraphMousePos.Y - lastGraphMousePos.Y);
LayoutChanged();
}
else if ((KeyShiftIsDown || _currentNode.Node.ParentCanAdoptChildren))
{
_movedNode = _currentNode.Node;
// create the layout manager used to draw the graph
if (_movedNodeGraph == null)
{
_movedNodeGraph = new NodeLayoutManager(_movedNode.CloneBranch().CreateNodeViewData(null, _rootNodeView.RootBehavior), _nodeLayoutManager.EdgePen, _nodeLayoutManager.EdgePenSelected, _nodeLayoutManager.EdgePenHighlighted, _nodeLayoutManager.EdgePenUpdate, _nodeLayoutManager.EdgePenReadOnly, true);
}
_movedNodeGraph.Scale = 0.3f;
//_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
_movedNodeGraph.RenderDepth = int.MaxValue;
}
}
} else if (_objectDragType == ObjectDragTypes.kAttachment) { // attachment
if (_fsmDragMode == FSMDragModes.kNone && Plugin.EditMode == EditModes.Design) {
_movedNodeGraph = null;
_dragTargetNode = nodeFound;
if (_dragAttachment == null) {
NodeViewData.SubItem subItem = _currentNode.GetSubItem(_currentNode, _nodeLayoutManager.ViewToGraph(e.Location));
_dragAttachment = subItem as NodeViewData.SubItemAttachment;
if (_dragAttachment != null) {
_movedSubItem = _dragAttachment.Clone(_currentNode.Node);
}
} else if (_dragTargetNode != null) {
NodeViewData.SubItem subItem = _dragTargetNode.GetSubItem(_dragTargetNode, _nodeLayoutManager.ViewToGraph(e.Location));
_dragTargetAttachment = subItem as NodeViewData.SubItemAttachment;
}
}
}
Invalidate();
}
// check if we start dragging an existing node step 2
else if (e.Button == MouseButtons.Left && _movedNode != null && !_clipboardPasteMode) {
// create the layout manager used to draw the graph
if (_movedNodeGraph == null) {
_movedNodeGraph = new NodeLayoutManager(_movedNode.CloneBranch().CreateNodeViewData(null, _rootNodeView.RootBehavior), _nodeLayoutManager.EdgePen, _nodeLayoutManager.EdgePenSelected, _nodeLayoutManager.EdgePenHighlighted, _nodeLayoutManager.EdgePenUpdate, _nodeLayoutManager.EdgePenReadOnly, true);
}
_movedNodeGraph.Scale = 0.3f;
_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
_dragNodeDefaults = _movedNode;
_dragTargetNode = _currentNode;
Cursor = _currentNode == null ? Cursors.No : Cursors.Default;
Invalidate();
} else if (_clipboardPasteMode) {
if (_movedNodeGraph != null) {
//_movedNodeGraph.RenderDepth = KeyShiftIsDown ? int.MaxValue : 0;
_movedNodeGraph.RenderDepth = int.MaxValue;
}
_dragTargetNode = _currentNode;
Cursor = _currentNode == null ? Cursors.No : Cursors.Default;
Invalidate();
} else if (_currentNode != null && _dragAttachment == null) {
// Highlight the expand/collapse flag
PointF graphMousePos = _nodeLayoutManager.ViewToGraph(e.Location);
bool isInExandRange = _currentNode.IsInExpandRange(graphMousePos);
bool isInExandConnectorRange = _currentNode.IsInExpandConnectorRange(graphMousePos);
if (isInExandRange || isInExandConnectorRange) {
_currentExpandNode = _currentNode;
_nodeToolTip = isInExandRange ? Resources.ExpandAllInfo : Resources.ExpandConnectorInfo;
Invalidate();
} else if (_currentExpandNode != null) {
_currentExpandNode = null;
Invalidate();
}
}
// update the last ouse position
_lastMousePosition = e.Location;
base.OnMouseMove(e);
}
/// <summary>
/// Handles when a mouse button was pressed.
/// </summary>
protected override void OnMouseDown(MouseEventArgs e)
{
// the graph has not yet been dragged
_lastMousePosition = e.Location;
_isGraphDragged = false;
_isNodeDragged = false;
_dragAttachment = null;
_dragTargetAttachment = null;
if (!_clipboardPasteMode)
{
_currentNode = _rootNode.IsInside(_lastMousePosition);
_dragTargetNode = null;
_movedNodeGraph = null;
_movedNode = null;
if (_currentNode != null)
{
_isNodeDragged = _currentNode.CanBeDragged() && !KeyCtrlIsDown &&
(KeyShiftIsDown || _currentNode.Node.ParentCanAdoptChildren);
}
}
else
{
if (_currentNode == null)
{
_currentNode = _rootNode.IsInside(e.Location);
}
if (_dragTargetNode == null)
{
_dragTargetNode = _currentNode;
}
}
// update the mouse cursor when dragging nodes
if (IsPanMode || e.Button == MouseButtons.Middle)
{
_panStartMousePosition = e.Location;
Cursor = (e.Button == MouseButtons.Right) ? Cursors.NoMove2D : Cursors.SizeAll;
}
else if (e.Button == MouseButtons.Left && _currentNode != null)
{
Debug.Check(_nodeLayoutManager != null);
NodeViewData.SubItem subItem = _currentNode.GetSubItem(_currentNode, _nodeLayoutManager.ViewToGraph(e.Location));
NodeViewData.SubItemAttachment attach = subItem as NodeViewData.SubItemAttachment;
if (attach != null && attach.IsSelected)
{
_isNodeDragged = false;
}
}
// focus the view if not focused
if (!Focused)
{
// we focus twice to avoid an issue with focusing the view
Parent.Focus();
//OnMouseDown will cal OnGotFocus as well
//Focus();
}
base.OnMouseDown(e);
}