/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnKeyUp(KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
if (this._selectedNode != null)
{
this.SelectedNode = this._selectedNode;
}
if (this._previousNode != null)
{
this._previousNode.BackColor = SystemColors.HighlightText;
this._previousNode.ForeColor = SystemColors.ControlText;
}
this.Cursor = Cursors.Default;
this._formDrag.Visible = false;
// Call cancel event
if (this.DragCancel != null)
{
DragItemEventArgs ea = new DragItemEventArgs();
ea.Node = this._selectedNode;
this.DragCancel(this, ea);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnDragLeave(EventArgs e)
{
if (this._selectedNode != null)
{
this.SelectedNode = this._selectedNode;
}
if (this._previousNode != null)
{
this._previousNode.BackColor = this._dragOverNodeBackColor;
this._previousNode.ForeColor = this._dragOverNodeForeColor;
}
this._formDrag.Visible = false;
this.Cursor = Cursors.Default;
// Call cancel event
if (this.DragCancel != null)
{
DragItemEventArgs ea = new DragItemEventArgs();
ea.Node = this._selectedNode;
this.DragCancel(this, ea);
}
}
private void tvBots_DragStart(object sender, DragItemEventArgs e)
{
if (e.Node.Tag == null)
{
tvNewBots.AllowDrop = false;
}
else
{
tvNewBots.AllowDrop = true;
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnItemDrag(System.Windows.Forms.ItemDragEventArgs e)
{
this._selectedNode = (TreeNode)e.Item;
// Call dragstart event
if (this.DragStart != null)
{
DragItemEventArgs ea = new DragItemEventArgs();
ea.Node = this._selectedNode;
this.DragStart(this, ea);
}
// Change any previous node back
if (this._previousNode != null)
{
this._previousNode.BackColor = SystemColors.HighlightText;
this._previousNode.ForeColor = SystemColors.ControlText;
}
// Move the form with the icon/label on it
// A better width measurement algo for the form is needed here
int width = Width = this._selectedNode.Text.Length * (int)this._formDrag.labelText.Font.Size;
if (this._selectedNode.Text.Length < 5)
{
width += 20;
}
this._formDrag.Size = new Size(width, this._formDrag.Height);
this._formDrag.labelText.Size = new Size(width, this._formDrag.labelText.Size.Height);
this._formDrag.labelText.Text = this._selectedNode.Text;
// Start drag drop
this.DoDragDrop(e.Item, this._dragMode);
}
private void tvNewBots_DragStart(object sender, DragItemEventArgs e)
{
tvNewBots.AllowDrop = false;
tvBots.AllowDrop = false;
}
private void tvBots_DragStart(object sender, DragItemEventArgs e)
{
if (e.Node.Tag == null)
{
tvNewBots.AllowDrop = false;
}
else
{
tvNewBots.AllowDrop = true;
}
}
private void tvNewBots_DragStart(object sender, DragItemEventArgs e)
{
tvNewBots.AllowDrop = false;
tvBots.AllowDrop = false;
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnKeyUp(KeyEventArgs e)
{
if ( e.KeyCode == Keys.Escape )
{
if ( this._selectedNode != null )
{
this.SelectedNode = this._selectedNode;
}
if ( this._previousNode != null )
{
this._previousNode.BackColor = SystemColors.HighlightText;
this._previousNode.ForeColor = SystemColors.ControlText;
}
this.Cursor = Cursors.Default;
this._formDrag.Visible = false;
// Call cancel event
if ( this.DragCancel != null )
{
DragItemEventArgs ea = new DragItemEventArgs();
ea.Node = this._selectedNode;
this.DragCancel(this,ea);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnItemDrag(System.Windows.Forms.ItemDragEventArgs e)
{
this._selectedNode = (TreeNode) e.Item;
// Call dragstart event
if ( this.DragStart != null )
{
DragItemEventArgs ea = new DragItemEventArgs();
ea.Node = this._selectedNode;
this.DragStart(this,ea);
}
// Change any previous node back
if ( this._previousNode != null )
{
this._previousNode.BackColor = SystemColors.HighlightText;
this._previousNode.ForeColor = SystemColors.ControlText;
}
// Move the form with the icon/label on it
// A better width measurement algo for the form is needed here
int width = Width = this._selectedNode.Text.Length * (int) this._formDrag.labelText.Font.Size;
if ( this._selectedNode.Text.Length < 5 )
width += 20;
this._formDrag.Size = new Size(width,this._formDrag.Height);
this._formDrag.labelText.Size = new Size(width,this._formDrag.labelText.Size.Height);
this._formDrag.labelText.Text = this._selectedNode.Text;
// Start drag drop
this.DoDragDrop(e.Item,this._dragMode);
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnDragLeave(EventArgs e)
{
if ( this._selectedNode != null )
{
this.SelectedNode = this._selectedNode;
}
if ( this._previousNode != null )
{
this._previousNode.BackColor = this._dragOverNodeBackColor;
this._previousNode.ForeColor = this._dragOverNodeForeColor;
}
this._formDrag.Visible = false;
this.Cursor = Cursors.Default;
// Call cancel event
if ( this.DragCancel != null )
{
DragItemEventArgs ea = new DragItemEventArgs();
ea.Node = this._selectedNode;
this.DragCancel(this,ea);
}
}