private void tvNavigation_NodeMouseClick(EventArgs e, PureComponents.TreeView.Node oNode)
{
// Select only this area/item if navigation node clicked.
if (Control.ModifierKeys == Keys.None)
{
NavigationTreeView.ClearNodeSelection();
oNode.Select();
}
}
private void RePathNodes(PureComponents.TreeView.Node node)
{
if (IsLeaf(node))
{
//if (IsItem(node))
//frmFlowChart.State.ModifyGraphicNodePath(out requestId, new Guid(node.Key), node.FullPath);
}
foreach (PureComponents.TreeView.Node subNode in node.Nodes)
{
RePathNodes(subNode);
}
}
private void tvNavigation_AfterNodePositionChange(PureComponents.TreeView.Node oNode)
{
NavigationTreeView.ClearNodeSelection();
foreach (MindFusion.FlowChartX.ChartObject chartObject in frmFlowChart.FlowChart.Objects)
{
chartObject.Visible = false;
}
RePathNodes(oNode);
if (oNode.Parent != null)
{
oNode.Parent.Select();
}
else
{
oNode.Select();
}
}
private void SelectSubNodes(PureComponents.TreeView.Node node)
{
bool isSelected = node.IsSelected;
bool wasSelected = wasSelectedNodes.Contains(node);
if (wasSelected == isSelected)
{
// Nothings changed at area level, update flowchart with innerNodes selection status.
foreach (PureComponents.TreeView.Node innerNode in node.Nodes)
{
frmFlowChart.State.SetVisible(innerNode.Key, innerNode.IsSelected);
SelectSubNodes(innerNode);
}
}
else if (wasSelected && !isSelected)
{
// Been deselected, deselect all underlings and update flowchart.
foreach (PureComponents.TreeView.Node innerNode in node.Nodes)
{
frmFlowChart.State.SetVisible(innerNode.Key, false);
NavigationTreeView.RemoveSelectedNode(innerNode);
SelectSubNodes(innerNode);
}
}
else if (!wasSelected && isSelected)
{
// Been selected, select all underlings and update flowchart.
foreach (PureComponents.TreeView.Node innerNode in node.Nodes)
{
frmFlowChart.State.SetVisible(innerNode.Key, true);
NavigationTreeView.AddSelectedNode(innerNode);
SelectSubNodes(innerNode);
}
}
}
/// <summary>Determine if this node represents a area.</summary>
/// <param name="node">Node to be tested</param>
/// <returns>True if node represents a area.</returns>
private static bool IsArea(PureComponents.TreeView.Node node)
{
return((node.Tag != null) && (node.Tag is EditorArea));
}
/// <summary>Determine if this node represents a branch (i.e. root or area.)</summary>
/// <param name="node">Node to be tested</param>
/// <returns>True if node represents a branch.</returns>
private static bool IsBranch(PureComponents.TreeView.Node node)
{
return((node.Tag == null) || (node.Tag is EditorArea));
}