void radListBox1_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left)
{
return;
}
if (this.isDragging)
{
return;
}
Point currentPosition = e.Location;
if ((Math.Abs(currentPosition.X - this.mouseDownPosition.X) >= SystemInformation.DragSize.Width) ||
(Math.Abs(currentPosition.Y - this.mouseDownPosition.Y) >= SystemInformation.DragSize.Height))
{
this.isDragging = true;
DragObject dragObject = new DragObject();
RadListVisualItem item = this.radListBox1.ElementTree.GetElementAtPoint(e.Location) as RadListVisualItem;
if (item != null)
{
dragObject.Values.Add(AppointmentFields.Summary, item.Text);
dragObject.Status = AppointmentFields.Summary;
(sender as RadListControl).DoDragDrop(dragObject, DragDropEffects.Copy);
}
}
}
void ClosePopup(object sender, EventArgs ea)
{
this.popupShown = false;
this.UnWireEvents();
this.item = null;
this.popup = null;
}
public override void OnPropertyChange(RadElement element, RadPropertyChangedEventArgs e)
{
if ((bool)e.NewValue == true)
{
this.item = element as RadListVisualItem;
if (!this.popupShown)
{
comboPopup = item.ElementTree.Control as DropDownPopupForm;
if (comboPopup == null)
{
return;
}
comboPopup.PopupClosing += comboPopup_PopupClosing;
if (comboPopup.IsDisplayed)
{
this.popupShown = true;
this.popup = new ZoomPopup(element, new SizeF(1.1f, 1.1f));
this.popup.BeginInit();
this.WireEvents();
this.popup.EndInit();
this.popup.Show();
}
}
}
}
void radListControl1_VisualItemFormatting(object sender, Telerik.WinControls.UI.VisualItemFormattingEventArgs args)
{
RadListVisualItem item = args.VisualItem;
int rowIndex = item.Data.RowIndex;
System.ComponentModel.TypeConverter typeConverter = TypeDescriptor.GetConverter(typeof(Color));
item.DrawFill = true;
item.BackColor = (Color)typeConverter.ConvertFromString(null, CultureInfo.InvariantCulture, bgColors[rowIndex % 7]);
item.GradientStyle = Telerik.WinControls.GradientStyles.Solid;
}
public VisualItemFormattingEventArgs(RadListVisualItem item)
{
this.item = item;
}
private void DrawFeedBack(MouseEventArgs e)
{
if (targetListBox == null)
{
feedBackForm.Hide(); return;
}
this.targetComponentElementTree = this.targetListBox.ElementTree;
Point p4 = new Point();
p4 = sourceListBox.PointToScreen(new Point(e.X, e.Y));
p4 = targetListBox.PointToClient(p4);
RadElement elementAtPoint = targetComponentElementTree.GetElementAtPoint(p4);
RadListVisualItem visualReplacedItem = elementAtPoint as RadListVisualItem;
this.replacedItem = visualReplacedItem != null ? visualReplacedItem.Data : null;
if (visualReplacedItem == null)
{
feedBackForm.Hide(); return;
}
if (visualReplacedItem != null)
{
int UpperBound = visualReplacedItem.Bounds.Height * this.targetListBox.Items.IndexOf(this.replacedItem);
int MiddleBound = UpperBound + visualReplacedItem.Bounds.Height / 2;
int LowerBound = UpperBound + visualReplacedItem.Bounds.Height;
if (p4.Y < UpperBound || p4.Y > LowerBound)
{
//FeedBack shouldnt be drawn
feedBackForm.StartPoint = null;
}
if (p4.Y <= MiddleBound && p4.Y > UpperBound)
{
//FeedBack should be drawn above the replceditem
feedBackForm.StartPoint = this.targetListBox.PointToScreen(new Point(0 + 3, UpperBound + 1));
}
if (p4.Y <= LowerBound && p4.Y > MiddleBound)
{
//FeedBack should be drawn below the replaceditem
feedBackForm.StartPoint = this.targetListBox.PointToScreen(new Point(0 + 3, UpperBound + 1 + visualReplacedItem.Bounds.Height));
}
}
if (elementAtPoint is RadListElement)
{
if (targetListBox.Items.Count > 0)
{
RadListDataItem lastItem = this.targetListBox.Items[this.targetListBox.Items.Count - 1];
//FeedBack should be drawn always below the last item of the targetListBox
if (feedBackForm == null)
{
return;
}
feedBackForm.StartPoint = this.targetListBox.PointToScreen(new Point(3, 1 + lastItem.VisualItem.Bounds.Height * this.targetListBox.Items.IndexOf(lastItem) + lastItem.VisualItem.Bounds.Height));
}
else
{
feedBackForm.StartPoint = null;
}
}
SetFeedBackForm();
}
