//default node function implementions - override to change
public virtual void DeleteSingleLink(CustomContextMenuTag clickedItemTag)
{
if (this.LinkID.HasValue)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
if (myTree != null && this.LinkID.HasValue)
{
try
{
if (myTree.Controller.ViewUpdateStatus == false)
{
myTree.DeleteNodeWithID(this.LinkID.Value, false, false, false); // updating is off, don't force
}
else
{
myTree.DeleteNodeWithID(this.LinkID.Value, true, false, false);
}
myTree.OnItemDelete(clickedItemTag.GetFunctionValue(), this);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}
}
public virtual void createObjectInstance(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
// bring up a form for input
//InputForm tempInput = new InputForm(clickedItemTag.GetFunctionName(), clickedItemTag.GetNode().NodeType); // create the dialog
InputForm tempInput = new InputForm(clickedItemTag.GetFunctionName(), "CreateEvent"); // create the dialog
tempInput.StartPosition = FormStartPosition.Manual;
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
tempInput.Location = new Point(x, y);
DialogResult result = tempInput.ShowDialog(myTree);
if (result == DialogResult.OK)
{
// create a resource
String name = tempInput.TopInputFieldValue;
if (NodeType.ToLowerInvariant() != name.ToLowerInvariant())
{
try
{
int addID;
if (NodeID >= 0) // fake nodes are -1
{
addID = NodeID;
}
else
{
addID = myTree.GetCustomTreeRootId(this.LinkType);
}
//int added = myTree.Controller.AddComponent(myTree.GetCustomTreeRootId(this.LinkType), addID, NodeType, tempInput.TopInputFieldValue, this.LinkType, tempInput.BottomInputFieldValue);
//myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), added, NodeType, tempInput.TopInputFieldValue);
//int ceId = myTree.Controller.CreateComponent("CreateEvent", tempInput.TopInputFieldValue, tempInput.BottomInputFieldValue);
myTree.Controller.TurnViewUpdateOff(); // because add and connect will both send out component udpates and update the whole screen
ComponentAndLinkID added = myTree.Controller.AddComponent(myTree.GetCustomTreeRootId(this.LinkType), myTree.GetCustomTreeRootId(this.LinkType), "CreateEvent", tempInput.TopInputFieldValue, this.LinkType, tempInput.BottomInputFieldValue);
int ceLinkId = myTree.Controller.Connect(myTree.GetCustomTreeRootId(this.LinkType), added.ComponentID, clickedItemTag.GetNode().NodeID, this.LinkType);
myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), added.ComponentID, ceLinkId, "CreateEvent", tempInput.TopInputFieldValue, this.LinkType);
myTree.Controller.TurnViewUpdateOn(false, false); // update should be locale to this tree, so
myTree.UpdateViewComponent(); // update manually
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Unable to add item", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
else
{
MessageBox.Show("Cannot enter item with same name as parent type");
}
}
}
public virtual void createChild(CustomContextMenuTag clickedItemTag, String[] args)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
VSGController myController = (VSGController)myTree.Controller;
try
{
int addID;
if (NodeID >= 0) // fake nodes are -1
{
addID = NodeID;
}
else
{
addID = myTree.GetCustomTreeRootId(this.LinkType);
}
((VSGController)myTree.Controller).TurnViewUpdateOff();
ComponentAndLinkID added = myTree.Controller.AddComponent(myTree.GetCustomTreeRootId(this.LinkType), addID, args[0], args[0], this.LinkType, "");
myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), added.ComponentID, added.LinkID, args[0], args[0], this.LinkType);
//ProcessingNode parent = (ProcessingNode)Parent;
if (NodeType == "CreateEvent")
{
myTree.Controller.Connect(added.ComponentID, added.ComponentID, NodeID, "EventID");
}
if (NodeType == "ReiterateEvent")
{
List<int> ids = myController.GetChildIDs(NodeID, "CreateEvent", "EventID");
if (ids.Count > 0)
{
myTree.Controller.Connect(added.ComponentID, added.ComponentID, ids[0], "EventID");
}
}
((VSGController)myTree.Controller).TurnViewUpdateOn(true, false); // only do component update
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Unable to add item", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
public virtual void deleteDecisionMaker(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
VSGController myController = (VSGController)myTree.Controller;
List<int> ids = myController.GetChildIDs(myController.ScenarioId, "CreateEvent", "Scenario");
List<int> dmIDs;
bool stopDelete = false;
foreach (int id in ids)
{
dmIDs = myController.GetChildIDs(id, "DecisionMaker", "Scenario");
if (dmIDs.Contains(NodeID))
{
stopDelete = true;
}
}
if (stopDelete)
{
MessageBox.Show("Warning: Cannot delete Decision Maker because it owns units.\nPlease delete or reassign units with the Scenario Director first.");
return;
}
this.DeleteComponent(clickedItemTag);
}
public virtual void createArmament(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
try
{
int addID;
addID = NodeID;
ComponentAndLinkID added = myTree.Controller.AddComponent(myTree.GetCustomTreeRootId(this.LinkType), addID, "Armament", "Armament", this.LinkType, "");
myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), added.ComponentID, added.LinkID, "Armament", "Armament", this.LinkType);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Unable to add item", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
public virtual void AddListItem(CustomContextMenuTag clickedItemTag)
{
// C.K.
// Implementation should be the same for all functions.
// It seems this call just acts as a pass through to the application side ti implement the behavior.
// Other calls here have base behavior.
// We need to streamline this. Lets provide a method to easily extend this class and override behavior.
CustomTreeView myTree = (CustomTreeView)this.TreeView;
// C.K.
// We should call something else besides OnItemAdd. This can be confusing since we are not
// adding anything here. Instead of piggybacking on this we could create OnCreateList...
// Also, we have duplicate functionality:
// XML - Argument elements under Function elements
// Attribute parsing - action(arg1, agr2)
// Do we really need both? Lets adopt one way and go with it.
if (clickedItemTag.Arguments.Length > 0)
myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), NodeID, NodeID, clickedItemTag.Arguments[0], Name, LinkType);
else
myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), NodeID, NodeID, NodeType, Name, LinkType);
}
public virtual void AddClass(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
// bring up a form for input
InputForm tempInput = new InputForm(clickedItemTag.GetFunctionName(), clickedItemTag.GetNode().myType); // create the dialog
tempInput.StartPosition = FormStartPosition.Manual;
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
tempInput.Location = new Point(x, y);
DialogResult result = tempInput.ShowDialog(myTree);
if (result == DialogResult.OK)
{
// create a resource
String name = tempInput.TopInputFieldValue;
if (NodeType.ToLowerInvariant() != name.ToLowerInvariant())
{
try
{
int addID;
if (NodeID >= 0) // fake nodes are -1
{
addID = NodeID;
}
else
{
addID = myTree.GetCustomTreeRootId(LinkType);// myTree.RootID;
}
//myTree.RootID
ComponentAndLinkID added = myTree.Controller.AddComponentClass(myTree.GetCustomTreeRootId(LinkType), addID, NodeType, tempInput.TopInputFieldValue, LinkType, tempInput.BottomInputFieldValue);
myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), added.ComponentID, added.LinkID, NodeType, tempInput.TopInputFieldValue, LinkType);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Unable to add item", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
else
{
MessageBox.Show("Cannot enter item with same name as parent type");
}
}
}
protected void CustomTreeView_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs args)
{
if (AllowUserInput)
{
if (args.Button == MouseButtons.Right) // right click
{
this.ContextMenuStrip.Items.Clear();
// detect node click
if (args.Node != null && (args.X >= args.Node.Bounds.Left) && (args.X <= args.Node.Bounds.Right) &&
(args.Y >= args.Node.Bounds.Top) && (args.Y <= args.Node.Bounds.Bottom))
{
ProcessingNode cast = (ProcessingNode)args.Node;
// handle right click by populating with node functions
List<Function> functions = cast.Functions;
if (functions != null)
{
ToolStripItem newItem;
if (functions.Count > 0)
{
NodeFunctionListEventArgs e = new NodeFunctionListEventArgs(cast, functions);
OnNodeFunctionList(e);
}
foreach (Function f in functions)
{
if (f.Visible)
{
newItem = this.ContextMenuStrip.Items.Add(f.FunctionName);
if (!f.Enabled)
newItem.Enabled = f.Enabled;
CustomContextMenuTag customTag = new CustomContextMenuTag(cast, f.FunctionName, f.FunctionAction);
customTag.Arguments = f.Arguments;
newItem.Tag = customTag;
}
}
}
} // arg check
} // right click
} // input
}
public virtual void copyMultipleCreateEvent(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
ProcessingNode myNode = (ProcessingNode)this;
VSGController myController = (VSGController)myTree.Controller;
int incrementedSuffix = 0;
int counter = 0;
int numberOfDuplicates;
VSG.Dialogs.SingleIntegerInputDialog input = new VSG.Dialogs.SingleIntegerInputDialog("How many duplicates would you like to create?", "Amount of duplication");
if (input.ShowDialog(out numberOfDuplicates) == DialogResult.Cancel)
{
return;
}
try
{
String baseName = myController.GetComponentName(myNode.NodeID);
String insertName;
List<String> ignoreComp = new List<string>();
ignoreComp.Add("DecisionMaker");
List<string> componentNames = new List<string>();
System.Data.DataTable dt = myController.GetComponentTable();
foreach (System.Data.DataRow dr in dt.Rows)
{
componentNames.Add(dr["name"].ToString());
}
myController.TurnViewUpdateOff();
while (counter < numberOfDuplicates)
{
insertName = String.Format("{0}_{1}", baseName, incrementedSuffix);
while (componentNames.Contains(insertName))
{
insertName = String.Format("{0}_{1}", baseName, ++incrementedSuffix);
}
myController.EventClone(myTree.GetCustomTreeRootId(this.LinkType), myNode.NodeID, insertName, "Scenario", ignoreComp, myTree.GetCustomTreeRootId(this.LinkType), "Scenario", -1, -1);
componentNames.Add(insertName);
incrementedSuffix++;
counter++;
}
myController.TurnViewUpdateOn(false, false); // don't push out events
myTree.UpdateViewComponent(); // manaully update
}
catch (Exception e)
{
myController.TurnViewUpdateOn(false, false); // don't push out events
myTree.UpdateViewComponent(); // manaully update
System.Windows.Forms.MessageBox.Show(e.Message, "Duplication Error");
}
}
public virtual void deleteCreateEvent(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
ProcessingNode myNode = (ProcessingNode)this;
VSGController myController = (VSGController)myTree.Controller;
List<String> ignore = new List<string>();
ignore.Add("DecisionMaker");
myController.TurnViewUpdateOff();
myController.DeleteComponentAndChildren(myNode.NodeID, "Scenario", ignore);
//myNode.DeleteComponent(clickedItemTag);
myController.TurnViewUpdateOn();
}
public void CommonRename(InputForm tempInput, CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
ComponentOptions compOptions = new ComponentOptions();
compOptions.LevelDown = 0;
IXPathNavigable component = myTree.Controller.GetComponentAndChildren(NodeID, LinkType, compOptions);
XPathNavigator componentNav = component.CreateNavigator();
componentNav = componentNav.SelectSingleNode(String.Format("//*[@ID='{0}']", NodeID));
string name = componentNav.GetAttribute("Name", componentNav.NamespaceURI);
string description = componentNav.GetAttribute("Description", componentNav.NamespaceURI);
tempInput.TopInputFieldValue = name;
tempInput.BottomInputFieldValue = description;
DialogResult result = tempInput.ShowDialog(myTree);
if (result == DialogResult.OK)
{
String newName = tempInput.TopInputFieldValue;
String newDescription = tempInput.BottomInputFieldValue;
if (!newName.Equals(name))
{
try
{
//myTree.RootID
myTree.Controller.UpdateComponentName(myTree.GetCustomTreeRootId(LinkType), NodeID, LinkType, newName);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Unable to update name", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
if (!newDescription.Equals(description))
{
try
{
myTree.Controller.UpdateComponentDescription(NodeID, newDescription);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Unable to update description", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
myTree.OnItemRename(this.NodeID, this.NodeType, newName, newDescription);
}
}
public virtual void RenameComponent(CustomContextMenuTag clickedItemTag)
{
// bring up a form for input
InputForm tempInput = new InputForm(clickedItemTag.GetFunctionName(), clickedItemTag.GetNode().myType); // create the dialog
tempInput.StartPosition = FormStartPosition.Manual;
tempInput.ButtonAddText = "OK";
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
tempInput.Location = new Point(x, y);
CommonRename(tempInput, clickedItemTag);
}
public virtual void RenameComponent(CustomContextMenuTag clickedItemTag, Object[] args)
{
InputForm tempInput = new InputForm(clickedItemTag.GetFunctionName(), clickedItemTag.GetNode().myType);
tempInput.StartPosition = FormStartPosition.Manual;
tempInput.ButtonAddText = "OK";
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
tempInput.Location = new Point(x, y);
if (args.Length >= 1)
{
tempInput.AlphaNumericTop = Boolean.Parse((String)args[0]);
}
if (args.Length >= 2)
{
tempInput.AlphaNumericBottom = Boolean.Parse((String)args[0]);
}
CommonRename(tempInput, clickedItemTag);
}
public virtual void DeleteComponentAndLinkTypeChildren(CustomContextMenuTag clickedItemTag, Object[] args)
{
for (int i = 0, length = args.Length; i < length; i++)
{
try
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
myTree.Controller.DeleteComponentAndChildren(NodeID, (String)args[i]);
myTree.OnItemDelete(clickedItemTag.GetFunctionValue(), this);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}
/// <summary>
/// Delete component and all children, following tree's linktype
/// </summary>
/// <param name="clickedItemTag"></param>
public virtual void DeleteComponentAndLinkTypeChildren(CustomContextMenuTag clickedItemTag)
{
try
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
myTree.Controller.DeleteComponentAndChildren(NodeID, LinkType);
myTree.OnItemDelete(clickedItemTag.GetFunctionValue(), this);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
public virtual void moveDown(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
//ProcessingNode nextNode = (ProcessingNode)this.NextNode;
//ProcessingNode myNode = (ProcessingNode)this;
myTree.MoveSelectedNodeDown();
//String nextName = "";
//String myName = "";
//
//if (nextNode == null)
//{
// return;
//}
//int myNum = GetNumFromIDString(myNode.Name);
//int nextNum = GetNumFromIDString(nextNode.Name);
//((VSGController)myTree.Controller).ViewUpdateStatus = false;
//myName = UpdateIDString(nextNum, myNode.Name);
//nextName = UpdateIDString(myNum, nextNode.Name);
//((VSGController)myTree.Controller).UpdateComponentName(myTree.GetCustomTreeRootId(this.LinkType), myNode.NodeID, this.LinkType, myName);
//((VSGController)myTree.Controller).UpdateComponentName(myTree.GetCustomTreeRootId(this.LinkType), nextNode.NodeID, this.LinkType, nextName);
//((VSGController)myTree.Controller).ViewUpdateStatus = true;
}
public virtual void deleteEvent(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
ProcessingNode myNode = (ProcessingNode)this;
myNode.DeleteComponent(clickedItemTag);
}
public virtual void CreateComponent(CustomContextMenuTag clickedItemTag, Object[] args)
{
String type = clickedItemTag.GetNode().myType;
if (args.Length == 1)
{
String var = args[0].ToString();
Boolean useDesc = Boolean.Parse(var);
this.useDescription = useDesc;
this.CreateComponent(clickedItemTag);
this.useDescription = true; // reset
}
else if (args.Length >= 2)
{
if (args.Length == 3)
{
type = (String)args[2];
}
// bring up a form for input
InputForm tempInput = new InputForm(clickedItemTag.GetFunctionName(), type); // create the dialog
tempInput.StartPosition = FormStartPosition.Manual;
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
tempInput.Location = new Point(x, y);
if (args.Length >= 1)
{
tempInput.AlphaNumericTop = Boolean.Parse((String)args[0]);
}
if (args.Length >= 2)
{
tempInput.AlphaNumericBottom = Boolean.Parse((String)args[0]);
}
if (!useDescription)
{
tempInput.HideDescriptionField();
}
CommonCreate(tempInput, clickedItemTag, type);
}
}
public virtual void copyCreateEvent(CustomContextMenuTag clickedItemTag)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
ProcessingNode myNode = (ProcessingNode)this;
VSGController myController = (VSGController)myTree.Controller;
try
{
String name = String.Format("{0}_copy", myController.GetComponentName(myNode.NodeID));
List<String> ignoreComp = new List<string>();
ignoreComp.Add("DecisionMaker");
myController.TurnViewUpdateOff();
myController.EventClone(myTree.GetCustomTreeRootId(this.LinkType), myNode.NodeID, name, "Scenario", ignoreComp, myTree.GetCustomTreeRootId(this.LinkType), "Scenario", -1, -1);
myController.TurnViewUpdateOn(false, false); // don't push out events
myTree.UpdateViewComponent(); // manaully update
}
catch (Exception e)
{
myController.TurnViewUpdateOn(false, false); // don't push out events
myTree.UpdateViewComponent(); // manaully update
System.Windows.Forms.MessageBox.Show(e.Message, "Duplication Error");
}
}
public virtual void CommonCreate(InputForm tempInput, CustomContextMenuTag clickedItemTag, String type)
{
CustomTreeView myTree = (CustomTreeView)this.TreeView;
DialogResult result = tempInput.ShowDialog(myTree);
if (result == DialogResult.OK)
{
// create a resource
String name = tempInput.TopInputFieldValue;
if (NodeType.ToLowerInvariant() != name.ToLowerInvariant())
{
try
{
int addID = -1;
if (NodeID >= 0) // fake nodes are -1
{
addID = NodeID;
}
else // find the next parent with non negative ID
{
bool IDFound = false;
object parentTest = this.Parent;
while (parentTest != null)
{
if (parentTest is ProcessingNode && !IDFound)
{
ProcessingNode cast = (ProcessingNode)parentTest;
if (cast.NodeID >= 0)
{
IDFound = true;
addID = cast.NodeID;
}
else
{
parentTest = cast.Parent; // keep looking
}
}
else
{
parentTest = null;
}
}
if (!IDFound)
{
addID = myTree.GetCustomTreeRootId(LinkType);// myTree.RootID; // if no valid parent can be found, use the rootID of the tree
}
}
//myTree.RootID
ComponentAndLinkID added = myTree.Controller.AddComponent(myTree.GetCustomTreeRootId(LinkType), addID, type, tempInput.TopInputFieldValue, LinkType, tempInput.BottomInputFieldValue);
myTree.OnItemAdd(clickedItemTag.GetFunctionValue(), added.ComponentID, added.LinkID, type, tempInput.TopInputFieldValue, LinkType);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Unable to add item", MessageBoxButtons.OK, MessageBoxIcon.Warning);
if (myTree.Controller != null)
{
if (!myTree.Controller.ViewUpdateStatus)
{
// turn updating back on
myTree.Controller.TurnViewUpdateOn(false, false);
}
}
}
}
else
{
MessageBox.Show("Cannot enter item with same name as parent type");
}
}
}
public virtual void CreateComponent(CustomContextMenuTag clickedItemTag)
{
// bring up a form for input
String type = clickedItemTag.GetNode().myType;
InputForm tempInput = new InputForm(clickedItemTag.GetFunctionName(), type); // create the dialog
tempInput.StartPosition = FormStartPosition.Manual;
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
tempInput.Location = new Point(x, y);
if (!useDescription)
{
tempInput.HideDescriptionField();
}
CommonCreate(tempInput, clickedItemTag, type);
}
// key, mouse events
protected void CustomTreeView_KeyDown(object sender, KeyEventArgs e)
{
if (AllowUserInput)
{
if (e.KeyCode == Keys.Delete) // delete pressed
{
myController.UnregisterForUpdate(this);
myController.TurnViewUpdateOff();
List<ProcessingNode> forDelete = CloneSelectedNodes();
foreach (ProcessingNode delNode in forDelete)
{
List<Function> functions = delNode.Functions;
bool found = false;
foreach (Function f in functions)
{
switch (f.FunctionAction)
{
case ConfigFileConstants.DeleteLink:
found = true;
delNode.DeleteLink(new CustomContextMenuTag(delNode, f.FunctionName, f.FunctionAction));
break;
case ConfigFileConstants.DeleteComponent:
found = true;
delNode.DeleteComponent(new CustomContextMenuTag(delNode, f.FunctionName, f.FunctionAction));
break;
}
}
if (!found)
{
foreach (Function f in functions)
{
// try reflection delete
if (f.FunctionAction.Contains("Delete"))
{
BindingFlags flags = BindingFlags.Public | BindingFlags.Instance;
MethodInfo[] methods = delNode.GetType().GetMethods(flags);
foreach (MethodInfo aMethod in methods)
{
if (aMethod.Name == f.FunctionAction)
{
try
{
CustomContextMenuTag customTag = new CustomContextMenuTag(delNode, f.FunctionName, f.FunctionAction);
Object returnObject = aMethod.Invoke(delNode, new object[] { customTag });
break;
}
catch (TargetParameterCountException tpce)
{
MessageBox.Show("Could not match specified arguments to function " + f.FunctionAction, tpce.Message);
}
}
}
}
}
}
}
myController.RegisterForUpdate(this);
myController.TurnViewUpdateOn();
}
else if (e.KeyCode == Keys.Up && e.Shift)
{
MoveSelectedNodeUp();
}
else if (e.KeyCode == Keys.Down && e.Shift)
{
MoveSelectedNodeDown();
}
else if (e.KeyCode == Keys.Up) // select previous node
{
if (selectedNodes.Count == 1)
{
ProcessingNode currentSelect = selectedNodes[0];
ProcessingNode previous = (ProcessingNode)currentSelect.PrevVisibleNode;
if (previous != null)
{
UnpaintSelectedNodes();
selectedNodes.Clear();
selectedNodes.Add(previous);
PaintSelectedNodes();
OnAfterSelect(new TreeViewEventArgs(previous));
}
}
}
else if (e.KeyCode == Keys.Down) // select next node
{
if (selectedNodes.Count == 1)
{
ProcessingNode currentSelect = selectedNodes[0];
ProcessingNode next = (ProcessingNode)currentSelect.NextVisibleNode;
if (next != null)
{
UnpaintSelectedNodes();
selectedNodes.Clear();
selectedNodes.Add(next);
PaintSelectedNodes();
OnAfterSelect(new TreeViewEventArgs(next));
}
}
}
}
}