protected virtual void DisposeHint()
{
if (this.dropHintWindow == null)
return;
this.dropHintWindow.Dispose();
this.dropHintWindow = (RadLayeredWindow) null;
}
protected virtual void PrepareDragHint(TreeNodeElement nodeElement)
{
RadTreeViewElement treeViewElement = nodeElement.TreeViewElement;
Bitmap bitmap = (Bitmap)null;
Size size = Size.Empty;
if (this.dropHintColor != Color.Empty)
{
size = new Size(this.GetDropHintWidth(treeViewElement), 1);
bitmap = new Bitmap(size.Width, size.Height);
using (Graphics graphics = Graphics.FromImage((Image)bitmap))
{
using (SolidBrush solidBrush = new SolidBrush(this.DropHintColor))
graphics.FillRectangle((Brush)solidBrush, new Rectangle(Point.Empty, size));
}
}
else if (treeViewElement.ItemDropHint != null)
{
size = new Size(this.GetDropHintWidth(treeViewElement), treeViewElement.ItemDropHint.Image.Size.Height);
bitmap = new Bitmap(size.Width, size.Height);
using (Graphics g = Graphics.FromImage((Image)bitmap))
treeViewElement.ItemDropHint.Paint(g, new RectangleF(PointF.Empty, (SizeF)size));
}
if (bitmap == null)
{
return;
}
this.dropHintWindow = new RadLayeredWindow();
this.dropHintWindow.BackgroundImage = (Image)bitmap;
}
protected virtual void DisposeHint()
{
if (this.dropHintWindow != null)
{
this.dropHintWindow.Dispose();
this.dropHintWindow = null;
}
}
protected virtual void DisposeDragHint()
{
if (this.dragHintWindow == null)
{
return;
}
this.dragHintWindow.Dispose();
this.dragHintWindow = (RadLayeredWindow)null;
}
protected virtual void PrepareDragHint()
{
this.dragHintWindow = new RadLayeredWindow();
if (this.owner.ViewElement.DragHint == null)
{
return;
}
this.UpdateDragHintSize();
}
protected override void PerformStop()
{
base.PerformStop();
this.owner.EndItemDrag(this.dragItem);
this.dragItem = (RadPageViewItem)null;
this.insertHintImage = (RadImageShape)null;
if (this.insertHint == null)
{
return;
}
this.insertHint.Dispose();
this.insertHint = (RadLayeredWindow)null;
}
protected virtual void PrepareDragHint()
{
this.dragHintWindow = new RadLayeredWindow();
if (this.owner.ColumnDragHint != null)
{
Size hintSize = this.GetDragHintSize(this.DropTarget);
Bitmap image = new Bitmap(hintSize.Width, hintSize.Height);
Graphics temp = Graphics.FromImage(image);
this.owner.ColumnDragHint.Paint(temp, new RectangleF(PointF.Empty, hintSize));
temp.Dispose();
this.dragHintWindow.BackgroundImage = image;
}
}
protected override void PerformStop()
{
base.PerformStop();
this.owner.EndItemDrag(this.dragItem);
this.dragItem = null;
this.insertHintImage = null;
if (this.insertHint != null)
{
this.insertHint.Dispose();
this.insertHint = null;
}
}
protected virtual void PrepareDragHint(RadListElement listElement)
{
Size size = Size.Empty;
size = new Size(this.GetDropHintWidth(listElement), 1);
Bitmap bitmap = new Bitmap(size.Width, size.Height);
using (Graphics graphics = Graphics.FromImage((Image) bitmap))
{
using (SolidBrush solidBrush = new SolidBrush(Color.Red))
graphics.FillRectangle((Brush) solidBrush, new Rectangle(Point.Empty, size));
}
if (bitmap == null)
return;
this.dropHintWindow = new RadLayeredWindow();
this.dropHintWindow.BackgroundImage = (Image) bitmap;
}
protected virtual void PrepareDragHint()
{
this.dragHintWindow = new RadLayeredWindow();
if (this.owner.ColumnDragHint == null)
{
return;
}
Size dragHintSize = this.GetDragHintSize(this.DropTarget);
Bitmap bitmap = new Bitmap(dragHintSize.Width, dragHintSize.Height);
Graphics g = Graphics.FromImage((Image)bitmap);
this.owner.ColumnDragHint.Paint(g, new RectangleF(PointF.Empty, (SizeF)dragHintSize));
g.Dispose();
this.dragHintWindow.BackgroundImage = (Image)bitmap;
}
protected virtual void PrepareDragHint(ISupportDrop dropTarget)
{
if (this.dragDropBehavior == null || this.dragDropBehavior.DragHint == null || this.dragDropBehavior.DragHint.Image == null)
{
return;
}
RadItem radItem = dropTarget as RadItem;
if (radItem != null && radItem.ElementTree != null && (this.GridViewElement.ElementTree != null && radItem.ElementTree.Control != this.GridViewElement.ElementTree.Control))
{
return;
}
this.dragDropBehavior.UpdateDropContext(this.Context as ISupportDrag, dropTarget, this.beginPoint);
Size dragHintSize = this.dragDropBehavior.GetDragHintSize(dropTarget);
Bitmap bitmap = new Bitmap(dragHintSize.Width, dragHintSize.Height);
Graphics g = Graphics.FromImage((Image)bitmap);
this.dragDropBehavior.DragHint.Paint(g, new RectangleF(PointF.Empty, (SizeF)dragHintSize));
g.Dispose();
this.dragHintWindow = new RadLayeredWindow();
this.dragHintWindow.BackgroundImage = (Image)bitmap;
}
private void PrepareInsertHint()
{
if (this.insertHintImage == null || this.insertHintImage.Image == null)
{
return;
}
PageViewLayoutInfo info = this.owner.ItemLayoutInfo;
RectangleF itemsRectangle = this.owner.GetItemsRect();
int length = info.vertical ? (int)itemsRectangle.Size.Width : (int)itemsRectangle.Size.Height;
if (length <= 0)
{
return;
}
Size imageSize = this.insertHintImage.Image.Size;
Size hintSize;
if (info.vertical)
{
hintSize = new Size(length + this.insertHintImage.Margins.Horizontal, imageSize.Height);
}
else
{
hintSize = new Size(imageSize.Width, length + this.insertHintImage.Margins.Vertical);
}
//generate hint image
Bitmap image = new Bitmap(hintSize.Width, hintSize.Height);
Graphics temp = Graphics.FromImage(image);
this.insertHintImage.Paint(temp, new RectangleF(PointF.Empty, hintSize));
temp.Dispose();
this.insertHint = new RadLayeredWindow();
this.insertHint.BackgroundImage = image;
}
protected virtual void PrepareDragHint(RadListElement listElement)
{
Bitmap image = null;
Size hintSize = Size.Empty;
hintSize = new Size(this.GetDropHintWidth(listElement), 1);
image = new Bitmap(hintSize.Width, hintSize.Height);
using (Graphics temp = Graphics.FromImage(image))
{
using (SolidBrush solidBrush = new SolidBrush(Color.Red))
{
temp.FillRectangle(solidBrush, new Rectangle(Point.Empty, hintSize));
}
}
if (image != null)
{
this.dropHintWindow = new RadLayeredWindow();
this.dropHintWindow.BackgroundImage = image;
}
}
protected virtual void PrepareDragHint(TreeNodeElement nodeElement)
{
RadTreeViewElement treeView = nodeElement.TreeViewElement;
Bitmap image = null;
Size hintSize = Size.Empty;
if (this.dropHintColor != Color.Empty)
{
hintSize = new Size(this.GetDropHintWidth(treeView), 1);
image = new Bitmap(hintSize.Width, hintSize.Height);
using (Graphics temp = Graphics.FromImage(image))
{
using (SolidBrush solidBrush = new SolidBrush(this.DropHintColor))
{
temp.FillRectangle(solidBrush, new Rectangle(Point.Empty, hintSize));
}
}
}
else if (treeView.ItemDropHint != null)
{
hintSize = new Size(this.GetDropHintWidth(treeView), treeView.ItemDropHint.Image.Size.Height);
image = new Bitmap(hintSize.Width, hintSize.Height);
using (Graphics temp = Graphics.FromImage(image))
{
treeView.ItemDropHint.Paint(temp, new RectangleF(PointF.Empty, hintSize));
}
}
if (image != null)
{
this.dropHintWindow = new RadLayeredWindow();
this.dropHintWindow.BackgroundImage = image;
}
}
private void PrepareInsertHint()
{
if (this.insertHintImage == null || this.insertHintImage.Image == null)
{
return;
}
PageViewLayoutInfo itemLayoutInfo = this.owner.ItemLayoutInfo;
RectangleF itemsRect = this.owner.GetItemsRect();
int num = itemLayoutInfo.vertical ? (int)itemsRect.Size.Width : (int)itemsRect.Size.Height;
if (num <= 0)
{
return;
}
Size size1 = this.insertHintImage.Image.Size;
Size size2 = !itemLayoutInfo.vertical ? new Size(size1.Width, num + this.insertHintImage.Margins.Vertical) : new Size(num + this.insertHintImage.Margins.Horizontal, size1.Height);
Bitmap bitmap = new Bitmap(size2.Width, size2.Height);
Graphics g = Graphics.FromImage((Image)bitmap);
this.insertHintImage.Paint(g, new RectangleF(PointF.Empty, (SizeF)size2));
g.Dispose();
this.insertHint = new RadLayeredWindow();
this.insertHint.BackgroundImage = (Image)bitmap;
}
