protected override void OnMeasureItem(MeasureItemEventArgs e)
{
base.OnMeasureItem(e);
if (e.Index < 0)
{
return;
}
if (Items.Count == 0)
{
return;
}
object listItem = this.Items[e.Index];
if (listItem == null)
{
return;
}
ListItemViewControl listItemRenderer = GetRenderer(listItem);
listItemRenderer.Item = listItem;
listItemRenderer.UpdateView();
listItemRenderer.TabStop = false;
listItemRenderer.Parent = this;
listItemRenderer.Top = -2000;
listItemRenderer.PerformAutoScale();
e.ItemHeight = listItemRenderer.Height;
e.ItemWidth = listItemRenderer.Width;
}
private ListItemViewControl GetRenderer(object listItem)
{
Type viewType = GetItemViewType(listItem.GetType());
if (!listItemViewRenderers.ContainsKey(viewType.Name))
{
listItemViewRenderers.Add(viewType.Name, Activator.CreateInstance(viewType) as ListItemViewControl);
}
ListItemViewControl listItemRenderer = listItemViewRenderers[viewType.Name];
return(listItemRenderer);
}
protected override void OnSelectedIndexChanged(EventArgs e)
{
try
{
if (this.SelectedIndex < 0)
{
return;
}
object selectedItem = Items[this.SelectedIndex];
if (selectedItem == null)
{
return;
}
SelectedItemViewControl = Activator.CreateInstance(GetDetailViewType(selectedItem.GetType())) as ListItemViewControl;
SelectedItemViewControl.ServiceProvider = this.serviceProvider;
SelectedItemViewControl.Item = selectedItem;
SelectedItemViewControl.DrawItemState = DrawItemState.Selected;
SelectedItemViewControl.ItemChanged += new EventHandler(SelectedItemDetailViewControlItemChanged);
SelectedItemViewControl.UpdateView();
if (Editable)
{
if (activeItemViewControl != null)
{
this.Controls.Remove(activeItemViewControl);
}
if (selectedItem != null)
{
activeItemViewControl = Activator.CreateInstance(GetItemViewType(selectedItem.GetType())) as ListItemViewControl;
if (itemLocations.ContainsKey(selectedItem))
{
activeItemDetailViewControl.Location = itemLocations[selectedItem];
}
activeItemViewControl.DrawItemState = DrawItemState.Selected;
activeItemViewControl.UpdateView();
activeItemViewControl.Item = selectedItem;
this.Controls.Add(activeItemViewControl);
}
}
}
catch (Exception exception)
{
DesignerHelpers.ShowMessage(serviceProvider, exception.Message, DR.GetString(DR.WorkflowDesignerTitle), MessageBoxButtons.OK,
MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
throw;
}
base.OnSelectedIndexChanged(e);
}
private Bitmap GetRendererBitmap(object listItem)
{
Type viewType = GetItemViewType(listItem.GetType());
ListItemViewControl listItemRenderer = GetRenderer(listItem);
if (listItemRenderer == null)
{
return(null);
}
if (!listItemBitmapCache.ContainsKey(viewType.Name))
{
listItemBitmapCache.Add(viewType.Name, new Bitmap(listItemRenderer.Size.Width, listItemRenderer.Size.Height));
}
Bitmap rendererBitmap = listItemBitmapCache[viewType.Name];
return(rendererBitmap);
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (e.Index < 0)
{
return;
}
if (Items.Count < 1)
{
return;
}
object itemToDraw = Items[e.Index];
if (itemToDraw == null)
{
return;
}
ListItemViewControl listItemRenderer = GetRenderer(itemToDraw);
listItemRenderer.DrawItemState = e.State;
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
if (Editable)
{
if (activeItemViewControl != null)
{
activeItemViewControl.Location = e.Bounds.Location;
activeItemViewControl.DrawItemState = e.State;
}
}
}
listItemRenderer.Item = itemToDraw;
listItemRenderer.UpdateView();
listItemRenderer.TabStop = false;
listItemRenderer.Parent = this;
listItemRenderer.Top = -2000;
Bitmap rendererBitmap = GetRendererBitmap(itemToDraw);
itemLocations[itemToDraw] = e.Bounds.Location;
listItemRenderer.DrawToBitmap(rendererBitmap, new Rectangle(new Point(0, 0), listItemRenderer.Size));
e.Graphics.DrawImage(rendererBitmap, e.Bounds.Location);
}
protected override void OnSelectedIndexChanged(EventArgs e)
{
try
{
if (this.SelectedIndex < 0)
{
return;
}
object selectedItem = Items[this.SelectedIndex];
if (selectedItem == null)
{
return;
}
SelectedItemViewControl = Activator.CreateInstance(GetDetailViewType(selectedItem.GetType())) as ListItemViewControl;
SelectedItemViewControl.ServiceProvider = this.serviceProvider;
SelectedItemViewControl.Item = selectedItem;
SelectedItemViewControl.DrawItemState = DrawItemState.Selected;
SelectedItemViewControl.ItemChanged += new EventHandler(SelectedItemDetailViewControlItemChanged);
SelectedItemViewControl.UpdateView();
if (Editable)
{
if (activeItemViewControl != null)
{
this.Controls.Remove(activeItemViewControl);
}
if (selectedItem != null)
{
activeItemViewControl = Activator.CreateInstance(GetItemViewType(selectedItem.GetType())) as ListItemViewControl;
if (itemLocations.ContainsKey(selectedItem))
{
activeItemDetailViewControl.Location = itemLocations[selectedItem];
}
activeItemViewControl.DrawItemState = DrawItemState.Selected;
activeItemViewControl.UpdateView();
activeItemViewControl.Item = selectedItem;
this.Controls.Add(activeItemViewControl);
}
}
}
catch (Exception exception)
{
DesignerHelpers.ShowMessage(serviceProvider, exception.Message, DR.GetString(DR.WorkflowDesignerTitle), MessageBoxButtons.OK,
MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
throw;
}
base.OnSelectedIndexChanged(e);
}
