protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
try
{
Cursor = Cursors.Default;
if (e.Button == MouseButtons.Right)
{
contextMenuStrip.Show(this, e.Location);
return;
}
ILayerItem targetLayerItem = null;
if (_isDraging && _dragLayerItem != null && Math.Abs(e.Location.Y - beginDrapPoint.Y) > 6)
{
FindFocusedLayer(e.Location, _provider);
targetLayerItem = _focusedItem;
if (targetLayerItem != null)
{
ILayerItem parent = FindLayerParent(targetLayerItem);
ILayerItem dragParent = FindLayerParent(_dragLayerItem);
if (parent == null)
{
return;
}
if (targetLayerItem.Equals(_dragLayerItem) || !parent.Equals(dragParent))
{
_provider.Group(_dragLayerItem, parent as ILayerItemGroup);
Update();
return;
}
int idx = -1;
ILayerItem desLayerItem = null;
idx = (parent as ILayerItemGroup).Items.IndexOf(targetLayerItem);
desLayerItem = parent;
_provider.AdjustOrder(idx, _dragLayerItem);
Update();
}
return;
}
_dragLayerItem = null;
}
finally
{
beginDrapPoint = Point.Empty;
_dragLayerItem = null;
_isDraging = false;
}
}
public ILayerItem FindParent(ILayerItem item)
{
foreach (ILayerItem layer in _items)
{
if (item.Equals(layer))
{
return(this);
}
if (layer is ILayerItemGroup)
{
ILayerItem parent = (layer as ILayerItemGroup).FindParent(item);
if (parent != null)
{
return(parent);
}
}
}
return(null);
}
public ILayerItem FindLayerParent(ILayerItem layer)
{
if (Items == null || Items.Count == 0)
{
return(null);
}
foreach (ILayerItem item in Items)
{
if (layer.Equals(item))
{
return(this);
}
if (item is ILayerItemGroup)
{
ILayerItem parent = (item as ILayerItemGroup).FindParent(layer);
if (parent != null)
{
return(parent);
}
}
}
return(null);
}
private void DrawLayerItem(Graphics g, ILayerItem item, ref int x, ref int y, ref int maxWidth)
{
if (item == null)
{
return;
}
int offsetLeft = 0;
if (item is ILayerItemGroup)
{
if (!_helpers.ContainsKey(item))
{
_helpers.Add(item, new ItemDrawHelper());
}
ItemDrawHelper helper = _helpers[item];
helper.Bounds = new Rectangle(0, y, Width, cstGroupBarHeight);
g.FillRectangle(groupFillBrush, helper.Bounds);
g.DrawRectangle(Pens.Gray, helper.Bounds);
g.DrawLine(Pens.Gray, x + cstVisibleBarWidth, y, x + cstVisibleBarWidth, y + cstGroupBarHeight);
ILayerItem itemParent = FindLayerParent(item);
if (itemParent != null && !_provider.Equals(itemParent))
{
offsetLeft = GetOffsetLeft(item);
}
else if (_provider.Equals(itemParent))
{
offsetLeft = cstFistItemLeftBank;
}
helper.GroupCollpaseBounds = new Rectangle();
helper.GroupCollpaseBounds.X = offsetLeft + cstVisibleBarWidth;
helper.GroupCollpaseBounds.Y = y + cstGroupImageTopRemainBank;
helper.GroupCollpaseBounds.Width = imageList.Images[cstUpIco].Width;
helper.GroupCollpaseBounds.Height = imageList.Images[cstUpIco].Height;
if (helper.IsCollpased)
{
g.DrawImage(imageList.Images[cstUpIco], helper.GroupCollpaseBounds.X, helper.GroupCollpaseBounds.Y);
}
else
{
g.DrawImage(imageList.Images[cstDownIco], helper.GroupCollpaseBounds.X, helper.GroupCollpaseBounds.Y);
}
g.DrawImage(_groupImage, offsetLeft + cstVisibleBarWidth + 22, y + cstGroupImageTopRemainBank);
helper.VisibleBounds = new Rectangle();
helper.VisibleBounds.X = 4;
helper.VisibleBounds.Y = y + 6;
helper.VisibleBounds.Width = imageList.Images[cstEyeIcoOpen].Width;
helper.VisibleBounds.Height = imageList.Images[cstEyeIcoOpen].Height;
if (item.IsVisible)
{
g.DrawImage(imageList.Images[cstEyeIcoOpen], helper.VisibleBounds.X, helper.VisibleBounds.Y);
}
else
{
g.DrawImage(imageList.Images[cstEyeIcoClose], helper.VisibleBounds.X, helper.VisibleBounds.Y);
}
int beginX = offsetLeft + cstVisibleBarWidth + 42;
if (item.Equals(_currentLayerItem))
{
g.DrawString(item.Name, Font, Brushes.Gray, offsetLeft + cstVisibleBarWidth + 42, y + cstRemainBank);
if (maxWidth < g.MeasureString(item.Name, Font).Width)
{
maxWidth = (int)g.MeasureString(item.Name, Font).Width + beginX;
}
}
else
{
g.DrawString(item.Name, Font, Brushes.Black, offsetLeft + cstVisibleBarWidth + 42, y + cstRemainBank);
if (maxWidth < g.MeasureString(item.Name, Font).Width)
{
maxWidth = (int)g.MeasureString(item.Name, Font).Width + beginX;
}
}
y += cstGroupBarHeight;
if (!helper.IsCollpased)
{
foreach (ILayerItem child in (item as ILayerItemGroup).Items)
{
DrawLayerItem(g, child, ref x, ref y, ref maxWidth);
}
}
}
else
{
ILayerItem itemParent = FindLayerParent(item);
if (itemParent != null && !_provider.Equals(itemParent))
{
offsetLeft = GetOffsetLeft(item);
}
else if (_provider.Equals(itemParent))
{
offsetLeft = cstFistItemLeftBank;
}
if (!_helpers.ContainsKey(item))
{
_helpers.Add(item, new ItemDrawHelper());
}
ItemDrawHelper helper = _helpers[item];
helper.Bounds = new Rectangle();
helper.Bounds.X = 0;
helper.Bounds.Y = y;
helper.Bounds.Width = Width;
helper.Bounds.Height = cstLayerItemHeight;
g.DrawRectangle(Pens.Gray, helper.Bounds);
g.DrawLine(Pens.Gray, x + cstVisibleBarWidth, y, x + cstVisibleBarWidth, y + cstGroupBarHeight);
g.DrawImage(GetImage(item), offsetLeft + cstVisibleBarWidth, y + cstRemainBank, 16, 16);
helper.VisibleBounds = new Rectangle();
helper.VisibleBounds.X = 4;
helper.VisibleBounds.Y = y + cstRemainBank;
helper.VisibleBounds.Width = imageList.Images[cstEyeIcoOpen].Width;
helper.VisibleBounds.Height = imageList.Images[cstEyeIcoOpen].Height;
helper.EditBounds = new Rectangle(helper.VisibleBounds.Right + 2, helper.VisibleBounds.Y, helper.VisibleBounds.Width, helper.VisibleBounds.Height);
if (item.IsVisible)
{
g.DrawImage(imageList.Images[cstEyeIcoOpen], helper.VisibleBounds.X, helper.VisibleBounds.Y);
}
else
{
g.DrawImage(imageList.Images[cstEyeIcoClose], helper.VisibleBounds.X, helper.VisibleBounds.Y);
}
//if (_editLayerItem != null && item.Equals(_editLayerItem))
//{
// g.DrawImage(imageList.Images[cstEditIco], helper.EditBounds.X, helper.EditBounds.Y);
//}
if (item.IsSelected)
{
g.DrawImage(imageList.Images[cstEditIco], helper.EditBounds.X, helper.EditBounds.Y);
}
int beginX = offsetLeft + cstVisibleBarWidth + imageList.ImageSize.Width + 8;
if (item.Equals(_currentLayerItem))
{
g.DrawString(item.Name, Font, Brushes.Gray, offsetLeft + cstVisibleBarWidth + imageList.ImageSize.Width + 8, y + cstRemainBank + 2);
if (maxWidth < g.MeasureString(item.Name, Font).Width)
{
maxWidth = (int)g.MeasureString(item.Name, Font).Width + beginX;
}
}
else
{
g.DrawString(item.Name, Font, Brushes.Black, offsetLeft + cstVisibleBarWidth + imageList.ImageSize.Width + 8, y + cstRemainBank + 2);
if (maxWidth < g.MeasureString(item.Name, Font).Width)
{
maxWidth = (int)g.MeasureString(item.Name, Font).Width + beginX;
}
}
y += cstLayerItemHeight;
offsetLeft = 0;
}
}