public DataTableTreeExample()
{
InitializeComponent();
DataTable table = CreateSampleDataTable();
this.dataGridView1.Columns.Clear();
this.dataGridView1.DataSource = table;
treeViewAdv1.LoadOnDemand = true;
treeViewAdv1.SelectionMode = TreeSelectionMode.Multi;
treeViewAdv1.NodeControls.Clear();
NodeStateIcon ni = new NodeStateIcon();
ni.DataPropertyName = "Icon";
treeViewAdv1.NodeControls.Add(ni);
NodeTextBox tb = new NodeTextBox();
tb.DataPropertyName = "Text";
treeViewAdv1.NodeControls.Add(tb);
m_dataTableModel = new DataTableTreeModel(table,"id");
this.treeViewAdv1.Model = m_dataTableModel;
this.treeViewAdv1.SelectionChanged += new EventHandler(treeViewAdv1_SelectionChanged);
}
private void AddStateIcon() {
if (tvWorkitems.Columns.Count > 0) {
var nodeIcon = new NodeStateIcon {DataPropertyName = "Icon", ParentColumn = tvWorkitems.Columns[0]};
tvWorkitems.NodeControls.Insert(0, nodeIcon);
}
}
/// <summary>
/// The constructor that has to be overwritten in the derived model classes
/// </summary>
/// <param name="TreeView">The TreeViewAdv control this model is used for</param>
/// <param name="GrtTree">The GRT tree this model is representing</param>
/// <param name="StateIcon">The NodeStateIcon Node Control that displays the icon</param>
/// <param name="DynamicContextMenu">Use context menu definition provided by backend</param>
protected GrtTreeModel(TreeViewAdv TreeView, MySQL.Grt.TreeModelWrapper GrtTree, Aga.Controls.Tree.NodeControls.NodeStateIcon NodeStateIcon, bool DynamicContextMenu)
: this(TreeView, GrtTree, DynamicContextMenu)
{
nodeStateIcon = NodeStateIcon;
if (nodeStateIcon != null)
{
// Ensure that the VirtualMode is enabled
nodeStateIcon.VirtualMode = true;
// Assign virtual value events for displaying and processing the edited value content
nodeStateIcon.ValueNeeded += new EventHandler <NodeControlValueEventArgs>(StateIconNeeded);
}
}
/// <summary>
/// The constructor that has to be overwritten in the derived model classes
/// </summary>
/// <param name="TreeView">The TreeViewAdv control this model is used for</param>
/// <param name="GrtTree">The GRT tree this model is representing</param>
/// <param name="StateIcon">The NodeStateIcon Node Control that displays the icon</param>
/// <param name="DynamicContextMenu">Use context menu definition provided by backend</param>
protected GrtTreeModel(TreeViewAdv TreeView, MySQL.Grt.TreeModelWrapper GrtTree, Aga.Controls.Tree.NodeControls.NodeStateIcon NodeStateIcon, bool DynamicContextMenu)
: this(TreeView, GrtTree, DynamicContextMenu)
{
nodeStateIcon = NodeStateIcon;
if (nodeStateIcon != null)
{
// Ensure that the VirtualMode is enabled
nodeStateIcon.VirtualMode = true;
// Assign virtual value events for displaying and processing the edited value content
nodeStateIcon.ValueNeeded += new EventHandler<NodeControlValueEventArgs>(StateIconNeeded);
}
}
public SimpleGrtTreeModel(TreeViewAdv TreeView, MySQL.Grt.TreeModelWrapper GrtTree, NodeStateIcon nodeIcon, bool DynamicContextMenu)
: base(TreeView, GrtTree, nodeIcon, DynamicContextMenu)
{
model = GrtTree;
treeControl = TreeView;
}