/// <summary>
/// Adds an item to the current XML tree, underneath the currently selected node.
/// <para>DEVNOTE: This method makes many presumptions upon the Views' structure and format.
/// As such any changes to the View will likely break this method.</para>
/// </summary>
/// <param name="parameter"></param>
internal void AddItem(object parameter)
{
// Parameter should be the button that launched the command.
var btn = parameter as Button;
// Check we have both a button and a node to use.
if (btn == null || SelectedNode == null)
{
return;
}
// As such it's parent should be a stackpanel.
var parent = LogicalTreeHelper.GetParent(btn) as StackPanel;
if (parent != null)
{
// There should only be 1 textbox control.
var textBox = parent.Children.OfType <TextBox>().First();
// If no text, exit here. We cannot create an element with no name.
if (string.IsNullOrEmpty(textBox?.Text))
{
return;
}
// Name of control should contain type of item to add.
ProjectItemType itemType;
if (textBox.Name.ToLower().Contains(Strings.FOLDER_TAG))
{
itemType = ProjectItemType.Folder;
}
else if (textBox.Name.ToLower().Contains(Strings.FILE_TAG))
{
itemType = ProjectItemType.File;
}
else
{
return; // We should show an error here?
}
// Create new node.
var newNode = SelectedNode.OwnerDocument.CreateNode(XmlNodeType.Element, itemType.ToString().ToLower(), SelectedNode.NamespaceURI);
// Set node name.
((XmlElement)newNode).SetAttribute(Strings.Attributes[XmlAttributeName.Name], textBox.Text);
// Append new node to selected node.
SelectedNode.AppendChild(newNode);
// Save XML file.
SelectedNode.OwnerDocument.Save(CurrentDataFile);
// Reload XML file. (Seems to help prevent errors)
LoadXml(CurrentDataFile);
// Select the new node for editing.
SelectedNode = newNode;
// Clear text box for next input.
textBox.Text = "";
}
// Close context menu
var upLevel = LogicalTreeHelper.GetParent(parent);
ContextMenu menu = upLevel as ContextMenu;
while (menu == null && upLevel != null)
{
upLevel = LogicalTreeHelper.GetParent(upLevel);
menu = upLevel as ContextMenu;
}
if (menu != null)
{
menu.IsOpen = false;
}
}