private Image GetImage(LayerItem it)
{
if (it.Image != null)
{
return(it.Image);
}
switch (it.LayerType)
{
case LayerItem.enumLayerTypes.OrbitData:
return(imageList1.Images[6]);
case LayerItem.enumLayerTypes.BaseVector:
return(imageList1.Images[7]);
case LayerItem.enumLayerTypes.DigitalNumberMeasure:
return(imageList1.Images[8]);
case LayerItem.enumLayerTypes.RoutineObser:
return(imageList1.Images[9]);
case LayerItem.enumLayerTypes.Raster:
return(imageList1.Images[10]);
default:
return(imageList1.Images[cstUnknowIco]);
}
}
public bool IsContainsAll(LayerItem item)
{
bool isContains = false;
IsContainsAll(this, item, ref isContains);
return(isContains);
}
public void Remove(LayerItem child)
{
if (_children != null && _children.Contains(child))
{
_children.Remove(child);
child.Parent = null;
}
}
public bool IsContains(LayerItem item)
{
if (item == null || _children == null)
{
return(false);
}
return(_children.Contains(item));
}
public int IndexOf(LayerItem item)
{
if (_children == null)
{
return(-1);
}
return(_children.IndexOf(item));
}
private int GetOffsetLeft(LayerItem it)
{
int n = 0;
while (it.Parent != null)
{
n++;
it = it.Parent;
}
return((n - 1) * cstGroupLeftRemainBank);
}
public void Insert(LayerItem item, int index)
{
if (_children.Contains(item))
{
_children.Remove(item);
}
if (item.Parent != null)
{
item.Parent.Remove(item);
}
_children.Insert(index, item);
item.Parent = this;
}
void UCLayerManager_Click(object sender, EventArgs e)
{
if (_activedLayerItem != null)
{
if (OnLayerItemClick != null)
{
OnLayerItemClick(_activedLayerItem);
_currentLayerItem = _activedLayerItem;
EnsureVisible(_currentLayerItem);
return;
}
}
_currentLayerItem = null;
}
private void FindActivedLayerItem(Point pt, LayerItem layerItem)
{
if (layerItem._bounds.Contains(pt))
{
_activedLayerItem = layerItem;
return;
}
if (layerItem.Children != null && !layerItem.IsCollpased)
{
foreach (LayerItem it in layerItem.Children)
{
FindActivedLayerItem(pt, it);
}
}
}
void UCLayerManager_MouseDown(object sender, MouseEventArgs e)
{
_activedLayerItem = null;
FindActivedLayerItem(e.Location, _rootLayerItem);
if (_activedLayerItem != null)
{
if (_activedLayerItem._visibleBounds.Contains(e.Location))
{
_activedLayerItem.Enabled = !_activedLayerItem.Enabled;
if (_activedLayerItem.ChildCount > 0)
{
foreach (LayerItem it in _activedLayerItem.Children)
{
it.Enabled = _activedLayerItem.Enabled;
}
}
if (OnLayerItemEnabledChanged != null)
{
OnLayerItemEnabledChanged(_activedLayerItem);
}
}
else if (_activedLayerItem._editBounds.Contains(e.Location) && _activedLayerItem.Editable)
{
_editLayerItem = _activedLayerItem;
Invalidate();
return;
}
else
{
if (_activedLayerItem._groupCollpaseBounds.Contains(e.Location))
{
_activedLayerItem.IsCollpased = !_activedLayerItem.IsCollpased;
}
}
if (_allowDrag && _activedLayerItem != null && !_activedLayerItem.IsFixed)
{
_isDraging = true;
_dragLayerItem = _activedLayerItem;
beginDrapPoint = e.Location;
}
}
if (_textBox.Visible)
{
_textBox.Visible = false;
}
_currentLayerItem = _activedLayerItem;
Invalidate();
}
void UCLayerManager_MouseUp(object sender, MouseEventArgs e)
{
try
{
Cursor = Cursors.Default;
if (e.Button == MouseButtons.Right)
{
contextMenuStrip1.Show(this, e.Location);
return;
}
LayerItem targetLayerItem = null;
if (_isDraging && _dragLayerItem != null && Math.Abs(e.Location.Y - beginDrapPoint.Y) > 6)
{
FindActivedLayerItem(e.Location, _rootLayerItem);
targetLayerItem = _activedLayerItem;
if (targetLayerItem != null)
{
if (targetLayerItem.Equals(_dragLayerItem) || !targetLayerItem.Parent.Equals(_dragLayerItem.Parent))
{
_isDraging = false;
return;
}
int idx = -1;
LayerItem desLayerItem = null;
idx = targetLayerItem.Parent.IndexOf(targetLayerItem);
desLayerItem = targetLayerItem.Parent;
if (OnLayerItemOrderChanged != null)
{
OnLayerItemOrderChanged(_dragLayerItem, desLayerItem, idx);
}
}
return;
}
_dragLayerItem = null;
if (targetLayerItem != null && !targetLayerItem.IsFixed)
{
if (OnMouseUpAtLayerItem != null)
{
OnMouseUpAtLayerItem(targetLayerItem);
}
}
}
finally
{
beginDrapPoint = Point.Empty;
_isDraging = false;
}
}
public void Add(LayerItem child)
{
if (child == null)
{
return;
}
if (_children == null)
{
_children = new List <LayerItem>(1);
}
if (!_children.Contains(child))
{
_children.Add(child);
child.Parent = this;
}
}
public void EnsureVisible(LayerItem layerItem)
{
if (Parent == null)
{
return;
}
using (Control c = new Control())
{
c.Location = layerItem._bounds.Location;
c.Width = Width;
c.Height = layerItem._bounds.Height;
Parent.Controls.Add(c);
(Parent as Panel).ScrollControlIntoView(c);
(Parent as Panel).Controls.Remove(c);
}
}
private void IsContainsAll(LayerItem parent, LayerItem item, ref bool isContains)
{
if (parent == null || item == null)
{
isContains = false;
}
if (parent.IsContains(item))
{
isContains = true;
return;
}
if (parent.ChildCount > 0)
{
foreach (LayerItem subItem in parent.Children)
{
IsContainsAll(subItem, item, ref isContains);
}
}
}
private void DrawLayerItem(LayerItem it, Graphics g, ref int top, ref int left)
{
if (it == null)
{
return;
}
int offsetLeft = 0;
if (it.ChildCount == 0)
{
if (it.Parent != null && !_rootLayerItem.Equals(it.Parent))
{
offsetLeft = GetOffsetLeft(it);
}
it._bounds.X = 0;
it._bounds.Y = top;
it._bounds.Width = Width;
it._bounds.Height = cstLayerItemHeight;
//if (_activedLayerItem != null && _activedLayerItem.Equals(it) || it.Equals(_currentLayerItem))
// g.FillRectangle(focusFillBrush, it._bounds);
g.DrawRectangle(Pens.Gray, it._bounds);
g.DrawImage(GetImage(it), offsetLeft + cstVisibleBarWidth + 4, top + cstRemainBank);
it._visibleBounds.X = 4;
it._visibleBounds.Y = top + cstRemainBank;
it._visibleBounds.Width = imageList1.Images[cstEyeIcoOpen].Width;
it._visibleBounds.Height = imageList1.Images[cstEyeIcoOpen].Height;
//
it._editBounds = new Rectangle(it._visibleBounds.Right + 2, it._visibleBounds.Y, it._visibleBounds.Width, it._visibleBounds.Height);
if (it.Enabled)
{
g.DrawImage(imageList1.Images[cstEyeIcoOpen], it._visibleBounds.X, it._visibleBounds.Y);
}
else
{
g.DrawImage(imageList1.Images[cstEyeIcoClose], it._visibleBounds.X, it._visibleBounds.Y);
}
if (_editLayerItem != null && it.Equals(_editLayerItem))
{
g.DrawImage(imageList1.Images[cstEditIco], it._editBounds.X, it._editBounds.Y);
}
if (it.Equals(_currentLayerItem))
{
g.DrawString(it.Name, Font, Brushes.Gray, offsetLeft + cstVisibleBarWidth + imageList1.ImageSize.Width + 8, top + cstRemainBank + 2);
}
else
{
g.DrawString(it.Name, Font, Brushes.Black, offsetLeft + cstVisibleBarWidth + imageList1.ImageSize.Width + 8, top + cstRemainBank + 2);
}
top += cstLayerItemHeight;
offsetLeft = 0;
}
else//group
{
it._bounds = new Rectangle(cstVisibleBarWidth, top, Width, cstGroupBarHeight);
it._bounds.X = 0;
it._bounds.Y = top;
it._bounds.Width = Width;
it._bounds.Height = cstGroupBarHeight;
g.FillRectangle(groupFillBrush, it._bounds);
//if (_activedLayerItem != null && _activedLayerItem.Equals(it))
// g.FillRectangle(focusFillBrush, it._bounds);
g.DrawRectangle(Pens.Gray, it._bounds);
if (it.Parent != null && !_rootLayerItem.Equals(it.Parent))
{
offsetLeft = GetOffsetLeft(it);
}
it._groupCollpaseBounds.X = offsetLeft + cstVisibleBarWidth + 4;
it._groupCollpaseBounds.Y = top + cstGroupImageTopRemainBank;
it._groupCollpaseBounds.Width = imageList1.Images[2].Width;
it._groupCollpaseBounds.Height = imageList1.Images[2].Height;
if (it.IsCollpased)
{
g.DrawImage(imageList1.Images[cstUpIco], it._groupCollpaseBounds.X, it._groupCollpaseBounds.Y);
}
else
{
g.DrawImage(imageList1.Images[cstDownIco], it._groupCollpaseBounds.X, it._groupCollpaseBounds.Y);
}
g.DrawImage(_groupImage, offsetLeft + cstVisibleBarWidth + 22, top + cstGroupImageTopRemainBank);
it._visibleBounds.X = 4;
it._visibleBounds.Y = top + 6;
it._visibleBounds.Width = imageList1.Images[cstEyeIcoOpen].Width;
it._visibleBounds.Height = imageList1.Images[cstEyeIcoOpen].Height;
if (it.Enabled)
{
g.DrawImage(imageList1.Images[cstEyeIcoOpen], it._visibleBounds.X, it._visibleBounds.Y);
}
else
{
g.DrawImage(imageList1.Images[cstEyeIcoClose], it._visibleBounds.X, it._visibleBounds.Y);
}
if (it.Equals(_currentLayerItem))
{
g.DrawString(it.Name, Font, Brushes.Gray, offsetLeft + cstVisibleBarWidth + 38, top + cstRemainBank);
}
else
{
g.DrawString(it.Name, Font, Brushes.Black, offsetLeft + cstVisibleBarWidth + 38, top + cstRemainBank);
}
top += cstGroupBarHeight;
//
if (!it.IsCollpased)
{
foreach (LayerItem child in it.Children)
{
DrawLayerItem(child, g, ref top, ref left);
}
}
}
}
