/// <summary>
/// Select the next node in the view. The next node is defined as the next one
/// down in the tree view. It will go through child nodes if they exist.
/// Will return true if next node was successfully selected. Will return
/// false if no more nodes to select.
/// </summary>
/// <returns>True when node is selected</returns>
/// <exception cref="System.Exception">Cannot find the current selected model in the .apsimx file</exception>
public bool SelectNextNode()
{
this.HideRightHandPanel();
// Get a complete list of all models in this file.
List <IModel> allModels = Apsim.ChildrenRecursivelyVisible(this.ApsimXFile);
allModels.Insert(0, ApsimXFile);
/* If the current node path is '.Simulations' (the root node) then
* select the first item in the 'allModels' list. */
if (this.view.Tree.SelectedNode == string.Empty)
{
this.view.Tree.SelectedNode = Apsim.FullPath(allModels[0]);
return(true);
}
// Find the current node in this list.
int index = -1;
for (int i = 0; i < allModels.Count; i++)
{
if (Apsim.FullPath(allModels[i]) == this.view.Tree.SelectedNode)
{
index = i;
break;
}
}
if (index == -1)
{
throw new Exception("Cannot find the current selected model in the .apsimx file");
}
// If the current model is the last one in the list then return false.
if (index >= allModels.Count - 1)
{
return(false);
}
// Select the next node.
this.view.Tree.SelectedNode = Apsim.FullPath(allModels[index + 1]);
return(true);
}