public override Size LayoutCells(NodeLayoutContextInfo layoutInfo, int x, int y)
{
eCellLayout layout = layoutInfo.CellLayout;
if (layoutInfo.ContextNode.CellLayout != layoutInfo.CellLayout && layoutInfo.ContextNode.CellLayout != eCellLayout.Default)
layout = layoutInfo.ContextNode.CellLayout;
if (layout == eCellLayout.Default && !(layoutInfo.ContextNode.HasChildNodes && layoutInfo.IsViewGroupping) && layoutInfo.ContextNode.ImageAlignment == eCellPartAlignment.Default)
{
return TileLayout(layoutInfo, x, y);
}
else
return base.LayoutCells(layoutInfo, x, y);
}
//private int _ExpandAreaWidth = 24;
///// <summary>
///// Returns width of the expand button area. Default is 24 pixels.
///// </summary>
//public virtual int ExpandAreaWidth
//{
// get { return _ExpandAreaWidth; }
// set
// {
// _ExpandAreaWidth = value;
// }
//}
///// <summary>
///// Gets or sets width of command button area. Default is 8 pixels.
///// </summary>
//public virtual int CommandAreaWidth
//{
// get {return m_CommandAreaWidth;}
// set {m_CommandAreaWidth=value;}
//}
/// <summary>
/// Sets the position and size of the node command button.
/// </summary>
/// <param name="layoutInfo">Node layout context information</param>
protected virtual void LayoutCommandPart(NodeLayoutContextInfo layoutInfo, ElementStyle nodeStyle)
{
// Command part is right-aligned just before the node border
Rectangle bounds = new Rectangle(layoutInfo.ContextNode.ContentBounds.Right - this.LayoutSettings.CommandAreaWidth -
ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Border,eStyleSide.Right),layoutInfo.ContextNode.ContentBounds.Y+
ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Border,eStyleSide.Top),
this.LayoutSettings.CommandAreaWidth, layoutInfo.ContextNode.ContentBounds.Height -
ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Border,eStyleSide.Top)-
ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Border,eStyleSide.Bottom));
// Rectangle bounds=new Rectangle(layoutInfo.ContextNode.ContentBounds.Right-this.CommandAreaWidth-
// ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Border,eStyleSide.Right),layoutInfo.ContextNode.ContentBounds.Y,
// this.CommandAreaWidth, layoutInfo.ContextNode.ContentBounds.Height);
layoutInfo.ContextNode.CommandBoundsRelative=bounds;
}
private Size TileLayout(NodeLayoutContextInfo layoutInfo, int x, int y)
{
Node node = layoutInfo.ContextNode;
int height = 0, width = 0, realHeight = 0;
//eHorizontalAlign align = eHorizontalAlign.Left;
Size tileSize = layoutInfo.TileSize;
int iVisibleCells = 0;
int cellCount = node.Cells.Count;
bool isVerticalOverflow = false;
for (int i = 0; i < cellCount; i++)
{
Cell cell = node.Cells[i];
bool bCellVisible = isVerticalOverflow ? false : true;
// Setup cell layout helper class
LayoutCellInfo cellLayout = this.GetLayoutCellInfo();
cellLayout.Top = y;
cellLayout.Left = x;
cellLayout.CellWidth = tileSize.Width;
cellLayout.ContextCell = cell;
cellLayout.Graphics = layoutInfo.Graphics;
cellLayout.LeftToRight = layoutInfo.LeftToRight;
cellLayout.Font = layoutInfo.DefaultFont;
cellLayout.View = layoutInfo.View;
cellLayout.CellIndex = i;
if (cell.Layout != eCellPartLayout.Default)
cellLayout.VerticalPartAlignment = (cell.Layout == eCellPartLayout.Vertical);
else if (layoutInfo.CellPartLayout != eCellPartLayout.Default)
cellLayout.VerticalPartAlignment = (layoutInfo.CellPartLayout == eCellPartLayout.Vertical);
// Prepare union style
if (cell.StyleNormal != null)
cellLayout.LayoutStyle = cell.StyleNormal;
else
cellLayout.LayoutStyle = layoutInfo.DefaultCellStyle;
this.LayoutSingleTileCell(cellLayout);
if (bCellVisible && y + cell.BoundsRelative.Height > tileSize.Height && i > 0)
{
isVerticalOverflow = true;
bCellVisible = false;
}
cell.SetVisible(bCellVisible);
if (bCellVisible)
{
iVisibleCells++;
y += cell.BoundsRelative.Height;
height += cell.BoundsRelative.Height;
if (cell.BoundsRelative.Height > 0)
{
y += this.CellVerticalSpacing;
height += this.CellVerticalSpacing;
}
if (cell.BoundsRelative.Width > width)
width = cell.BoundsRelative.Width;
if (i == 0)
{
realHeight += cell.BoundsRelative.Height;
if (cell.BoundsRelative.Height > 0)
realHeight += this.CellVerticalSpacing;
}
else
realHeight = Math.Max(realHeight, height);
// Align other cells under the text of the first cell and to the right of the image, if any
if (i == 0 && !cell.Images.LargestImageSize.IsEmpty && cellCount > 1)
{
if (cell.TextContentBounds.IsEmpty)
x += cell.Images.LargestImageSize.Width + this.ImageTextSpacing;
else
x += (cell.TextContentBounds.X - x);
tileSize.Width = cell.TextContentBounds.Width;
height -= cell.BoundsRelative.Height;
height += cell.TextContentBounds.Height;
y -= cell.BoundsRelative.Height;
y += cell.TextContentBounds.Height;
}
}
}
// Take last added spacing off
y -= this.CellVerticalSpacing;
height -= this.CellVerticalSpacing;
realHeight -= this.CellVerticalSpacing;
if (node.Cells[0].BoundsRelative.Height > height && !node.Cells[0].Images.LargestImageSize.IsEmpty)
{
int textOffset = ((realHeight - height) / iVisibleCells) / 2;
if (textOffset > 0)
{
foreach (Cell cell in node.Cells)
{
if (!cell.IsVisible) continue;
cell.TextContentBounds = new Rectangle(cell.TextContentBounds.X, cell.TextContentBounds.Y + textOffset, cell.TextContentBounds.Width, cell.TextContentBounds.Height);
}
}
}
else if(iVisibleCells == 1)
{
Rectangle rtc = node.Cells[0].TextContentBounds;
node.Cells[0].TextContentBounds = new Rectangle(rtc.X, rtc.Y, rtc.Width, node.Cells[0].BoundsRelative.Height);
}
// Additional pass needed if horizontal alignment is other than left and there is more than one cell visible
//if (align != eHorizontalAlign.Left && iVisibleCells > 1)
//{
// foreach (Cell cell in node.Cells)
// {
// if (!cell.IsVisible)
// continue;
// if (align == eHorizontalAlign.Center)
// this.Offset(cell, (width - cell.BoundsRelative.Width) / 2, 0);
// else // Right aligned cells
// this.Offset(cell, width - cell.BoundsRelative.Width, 0);
// }
//}
if (width < layoutInfo.TileSize.Width)
width = layoutInfo.TileSize.Width;
if (realHeight < layoutInfo.TileSize.Height)
realHeight = layoutInfo.TileSize.Height;
return new Size(width, realHeight);
}
public virtual Size LayoutCells(NodeLayoutContextInfo layoutInfo, int x, int y)
{
eCellLayout layout=layoutInfo.CellLayout;
if (layoutInfo.ContextNode.CellLayout != layoutInfo.CellLayout && layoutInfo.ContextNode.CellLayout != eCellLayout.Default)
layout = layoutInfo.ContextNode.CellLayout;
if (layout == eCellLayout.Horizontal || layout == eCellLayout.Default && layoutInfo.View == eView.Tree || layoutInfo.View == eView.Tile && layoutInfo.IsViewGroupping && layoutInfo.ContextNode.HasChildNodes)
return this.LayoutCellsHorizontal(layoutInfo, x, y);
else
return this.LayoutCellsVertical(layoutInfo, x, y);
}
private Rectangle ProcessChildNodes(NodeLayoutContextInfo layoutInfo, Node node, int nodeVerticalSpacing, NodeColumnInfo childColumns)
{
Rectangle childNodesBounds = new Rectangle(layoutInfo.Left, layoutInfo.Top, 0, 0);
foreach (Node childNode in node.Nodes)
{
if (!childNode.Visible) continue;
layoutInfo.ContextNode = childNode;
layoutInfo.ChildColumns = childColumns;
ProcessNode(layoutInfo);
childNodesBounds.Width = Math.Max(childNodesBounds.Width,
Math.Max(childNode.BoundsRelative.Width, (childNode.Expanded && childNode.ChildNodesBounds.Width > 0 ? childNode.ChildNodesBounds.Right - childNodesBounds.X : 0)));
childNodesBounds.Height += childNode.BoundsRelative.Height + (childNode.Expanded ? childNode.ChildNodesBounds.Height + childNode.ColumnHeaderHeight : 0) + nodeVerticalSpacing;
}
return childNodesBounds;
}
/// <summary>
/// Returns true if given node has expand part.
/// </summary>
/// <param name="layoutInfo">Layout context information.</param>
/// <returns></returns>
protected virtual bool HasExpandPart(NodeLayoutContextInfo layoutInfo)
{
Node node=layoutInfo.ContextNode;
if(node.ExpandVisibility==eNodeExpandVisibility.Auto)
{
if(IsRootNode(node) && !RootHasExpandedPart || !NodeOperations.GetAnyVisibleNodes(node))
return false;
return true;
}
else
return (node.ExpandVisibility==eNodeExpandVisibility.Visible);
}
protected virtual NodeLayoutContextInfo GetDefaultNodeLayoutContextInfo(System.Drawing.Graphics graphics)
{
NodeLayoutContextInfo layoutInfo=new NodeLayoutContextInfo();
layoutInfo.ClientRectangle=m_ClientArea;
layoutInfo.DefaultColumns=this.GetDefaultColumnInfo();
layoutInfo.ChildColumns=null;
layoutInfo.Indent = m_Tree.Indent;
layoutInfo.Left=0;
layoutInfo.Top=0; // TODO: Include Columns if visible into this...
layoutInfo.DefaultFont=m_Tree.Font;
layoutInfo.LeftToRight=(this.LeftRight==System.Windows.Forms.LeftRightAlignment.Left);
layoutInfo.Graphics=graphics;
layoutInfo.Styles=m_Tree.Styles;
layoutInfo.FullRowBackgroundNodes = new ArrayList();
if(m_Tree.CellLayout!=eCellLayout.Default)
layoutInfo.CellLayout=m_Tree.CellLayout;
if(m_Tree.CellPartLayout!=eCellPartLayout.Default)
layoutInfo.CellPartLayout=m_Tree.CellPartLayout;
if(m_Tree.NodeStyle!=null)
layoutInfo.DefaultNodeStyle=m_Tree.NodeStyle;
if(m_Tree.CellStyleDefault!=null)
layoutInfo.DefaultCellStyle=m_Tree.CellStyleDefault;
else
layoutInfo.DefaultCellStyle=ElementStyle.GetDefaultCellStyle(layoutInfo.DefaultNodeStyle);
// Determine size of the default Column Header
if(m_Tree.ColumnStyleNormal!=null)
{
ElementStyleLayout.CalculateStyleSize(m_Tree.ColumnStyleNormal,layoutInfo.DefaultFont);
layoutInfo.DefaultHeaderSize=m_Tree.ColumnStyleNormal.Size;
}
if(layoutInfo.DefaultHeaderSize.IsEmpty)
layoutInfo.DefaultHeaderSize.Height=layoutInfo.DefaultFont.Height+4;
layoutInfo.ExpandPartWidth = this.Tree.ExpandWidth;
layoutInfo.View = this.Tree.View;
layoutInfo.TileSize = this.Tree.TileSize;
layoutInfo.ColumnStyle = this.Tree.ColumnStyleNormal;
return layoutInfo;
}
private void ProcessNode(NodeLayoutContextInfo layoutInfo)
{
Node node=layoutInfo.ContextNode;
if (!node.Visible || node.Cells.Count == 0) return;
if (node.SizeChanged || _Groupping && node.HasChildNodes)
{
// Calculate size of the node itself...
LayoutNode(layoutInfo);
}
if (node.FullRowBackground)
layoutInfo.FullRowBackgroundNodes.Add(node);
// Position the node
if (_Groupping && node.HasChildNodes)
{
if (layoutInfo.CurrentLineHeight > 0)
layoutInfo.Top += layoutInfo.CurrentLineHeight + this.LayoutSettings.NodeVerticalSpacing;
layoutInfo.CurrentLineHeight = 0;
}
else
{
if (layoutInfo.Left + node.BoundsRelative.Width > this.ClientArea.Right)
{
layoutInfo.Left = layoutInfo.CurrentLevelLeft;
layoutInfo.Top += layoutInfo.CurrentLineHeight + this.LayoutSettings.NodeVerticalSpacing;
layoutInfo.CurrentLineHeight = 0;
}
}
layoutInfo.CurrentLineHeight = Math.Max(layoutInfo.CurrentLineHeight, node.BoundsRelative.Height);
if (node.BoundsRelative.X != layoutInfo.Left || node.BoundsRelative.Y != layoutInfo.Top)
{
// Adjust top position
node.SetBounds(new Rectangle(layoutInfo.Left,layoutInfo.Top,node.BoundsRelative.Width,node.BoundsRelative.Height));
}
// Position the node
if (_Groupping && node.HasChildNodes)
{
if (layoutInfo.CurrentLineHeight > 0)
layoutInfo.Top += layoutInfo.CurrentLineHeight + this.LayoutSettings.NodeVerticalSpacing;
layoutInfo.CurrentLineHeight = 0;
}
int nodeVerticalSpacing = this.LayoutSettings.NodeVerticalSpacing;
// Need to set the Top position properly
//layoutInfo.Top += (node.BoundsRelative.Height + nodeVerticalSpacing);
// No columns in tile view
//if (DevComponents.AdvTree.Display.NodeDisplay.HasColumnsVisible(node))
// layoutInfo.Top += node.ColumnHeaderHeight;
if(_Groupping && node.HasChildNodes && node.Expanded)
{
int originalLevelOffset=layoutInfo.Left;
int originalLevelLeft = layoutInfo.CurrentLevelLeft;
int childNodesTop = layoutInfo.Top;
layoutInfo.Left += this.NodeLevelOffset + node.NodesIndent;
layoutInfo.CurrentLevelLeft = layoutInfo.Left;
NodeColumnInfo parentColumns = layoutInfo.ChildColumns;
NodeColumnInfo childColumns = GetNodeColumnInfo(node);
Rectangle childNodesBounds = ProcessChildNodes(layoutInfo, node, nodeVerticalSpacing, childColumns);
//if (childColumns != null && childColumns.HasAutoSizeColumn)
//{
// foreach (ColumnInfo columnInfo in childColumns.ColumnInfo)
// {
// if (columnInfo.AutoSize)
// {
// columnInfo.Width = columnInfo.MaxWidth;
// columnInfo.ColumnHeader.Width.SetAutoSizeWidth(columnInfo.MaxWidth);
// columnInfo.AutoSize = false;
// columnInfo.MaxWidth = 0;
// }
// }
// layoutInfo.Top = originalTop;
// layoutInfo.Left = originalLevelOffset;
// layoutInfo.ContextNode = node;
// layoutInfo.ChildColumns = null;
// LayoutNode(layoutInfo);
// layoutInfo.Top = childNodesTop;
// layoutInfo.Left += this.NodeLevelOffset + node.NodesIndent;
// childNodesBounds = ProcessChildNodes(layoutInfo, node, nodeVerticalSpacing, childColumns);
//}
node.ChildNodesBounds = childNodesBounds;
layoutInfo.ChildColumns=parentColumns;
layoutInfo.ContextNode=node;
layoutInfo.Left=originalLevelOffset;
layoutInfo.CurrentLevelLeft = originalLevelLeft;
}
else
node.ChildNodesBounds = Rectangle.Empty;
}
/// <summary>
/// Returns true if given node has expand part.
/// </summary>
/// <param name="layoutInfo">Layout context information.</param>
/// <returns></returns>
protected override bool HasExpandPart(NodeLayoutContextInfo layoutInfo)
{
Node node = layoutInfo.ContextNode;
if (node.ExpandVisibility == eNodeExpandVisibility.Auto)
{
if (!_Groupping || !NodeOperations.GetAnyVisibleNodes(node))
return false;
return true;
}
else
return (node.ExpandVisibility == eNodeExpandVisibility.Visible);
}
private Rectangle ProcessTopLevelNodes(Rectangle area, NodeLayoutContextInfo layoutInfo, Node[] topLevelNodes)
{
layoutInfo.CurrentLevelLeft = layoutInfo.Left;
bool isPreviousGroupNode = false;
foreach (Node childNode in topLevelNodes)
{
layoutInfo.ContextNode = childNode;
if (childNode.Visible)
{
if (_Groupping && childNode.HasChildNodes)
{
if (layoutInfo.CurrentLineHeight > 0)
layoutInfo.Top += layoutInfo.CurrentLineHeight + this.LayoutSettings.NodeVerticalSpacing;
layoutInfo.CurrentLineHeight = 0;
layoutInfo.Left = layoutInfo.CurrentLevelLeft;
isPreviousGroupNode = true;
}
else
{
if (isPreviousGroupNode)
{
if (layoutInfo.CurrentLineHeight > 0)
layoutInfo.Top += layoutInfo.CurrentLineHeight + this.LayoutSettings.NodeVerticalSpacing;
layoutInfo.CurrentLineHeight = 0;
layoutInfo.Left = layoutInfo.CurrentLevelLeft;
}
isPreviousGroupNode = false;
}
}
ProcessNode(layoutInfo);
if (childNode.Visible)
{
area = Rectangle.Union(area, childNode.BoundsRelative);
if (childNode.Expanded && childNode.HasChildNodes)
area = Rectangle.Union(area, childNode.ChildNodesBounds);
if (!(_Groupping && childNode.HasChildNodes))
layoutInfo.Left += childNode.BoundsRelative.Width + this.LayoutSettings.NodeHorizontalSpacing;
}
}
return area;
}
private Rectangle ProcessChildNodes(NodeLayoutContextInfo layoutInfo, Node node, int nodeVerticalSpacing, NodeColumnInfo childColumns)
{
Rectangle childNodesBounds = new Rectangle(layoutInfo.Left, layoutInfo.Top, 0, 0);
bool isPreviousGroupNode = false;
foreach (Node childNode in node.Nodes)
{
if (!childNode.Visible) continue;
if (_Groupping && childNode.HasChildNodes)
{
if (layoutInfo.CurrentLineHeight > 0)
layoutInfo.Top += layoutInfo.CurrentLineHeight + this.LayoutSettings.NodeVerticalSpacing;
layoutInfo.CurrentLineHeight = 0;
layoutInfo.Left = layoutInfo.CurrentLevelLeft;
isPreviousGroupNode = true;
}
else
{
if (isPreviousGroupNode)
{
if (layoutInfo.CurrentLineHeight > 0)
layoutInfo.Top += layoutInfo.CurrentLineHeight + this.LayoutSettings.NodeVerticalSpacing;
layoutInfo.CurrentLineHeight = 0;
layoutInfo.Left = layoutInfo.CurrentLevelLeft;
isPreviousGroupNode = false;
}
}
layoutInfo.ContextNode = childNode;
layoutInfo.ChildColumns = childColumns;
ProcessNode(layoutInfo);
if (!(_Groupping && childNode.HasChildNodes))
layoutInfo.Left += childNode.BoundsRelative.Width + this.LayoutSettings.NodeHorizontalSpacing;
if (isPreviousGroupNode)
{
childNodesBounds.Width = Math.Max(childNodesBounds.Width,
Math.Max(childNode.BoundsRelative.Width, (childNode.Expanded && childNode.ChildNodesBounds.Width > 0 ? childNode.ChildNodesBounds.Right - childNodesBounds.X : 0)));
childNodesBounds.Height += childNode.BoundsRelative.Height + (childNode.Expanded ? childNode.ChildNodesBounds.Height + childNode.ColumnHeaderHeight : 0) + nodeVerticalSpacing;
}
else
{
childNodesBounds = Rectangle.Union(childNodesBounds, childNode.BoundsRelative);
}
}
return childNodesBounds;
}
private void LayoutTopLevelColumns(NodeLayoutContextInfo layoutInfo)
{
// There are no columns in Tile view
this.Tree.SetColumnHeaderControlVisibility(false);
}
protected virtual Size LayoutCellsVertical(NodeLayoutContextInfo layoutInfo, int x, int y)
{
Node node=layoutInfo.ContextNode;
int height=0, width=0;
eHorizontalAlign align = node.VerticalCellLayoutAlignment; // eHorizontalAlign.Center;
int iVisibleCells=0;
int cellCount = node.Cells.Count;
for(int i=0;i<cellCount;i++)
{
Cell cell = null;
if (layoutInfo.ChildColumns != null && layoutInfo.ChildColumns.ColumnInfo.Count == cellCount)
cell = node.Cells[layoutInfo.ChildColumns.ColumnInfo[i].AbsoluteIndex];
else if(layoutInfo.DefaultColumns.ColumnInfo.Count == cellCount)
cell = node.Cells[layoutInfo.DefaultColumns.ColumnInfo[i].AbsoluteIndex];
else
cell = node.Cells[i];
bool bCellVisible=true;
// Setup cell layout helper class
LayoutCellInfo cellLayout=this.GetLayoutCellInfo();
cellLayout.Top=y;
cellLayout.Left=x;
cellLayout.CellWidth=0;
cellLayout.ContextCell=cell;
cellLayout.Graphics=layoutInfo.Graphics;
cellLayout.LeftToRight=layoutInfo.LeftToRight;
cellLayout.Font=layoutInfo.DefaultFont;
if(cell.Layout!=eCellPartLayout.Default)
cellLayout.VerticalPartAlignment=(cell.Layout==eCellPartLayout.Vertical);
else if(layoutInfo.CellPartLayout!=eCellPartLayout.Default)
cellLayout.VerticalPartAlignment=(layoutInfo.CellPartLayout==eCellPartLayout.Vertical);
if (layoutInfo.DefaultColumns.ColumnInfo.Count > 0 || layoutInfo.ChildColumns != null && layoutInfo.ChildColumns.ColumnInfo.Count > 0)
{
ColumnInfo ci=null;
if (layoutInfo.ChildColumns != null && layoutInfo.ChildColumns.ColumnInfo.Count > 0)
ci=layoutInfo.ChildColumns.ColumnInfo[i] as ColumnInfo;
else
ci=layoutInfo.DefaultColumns.ColumnInfo[i] as ColumnInfo;
bCellVisible=ci.Visible;
cellLayout.CellWidth=ci.Width;
}
else if (layoutInfo.View == eView.Tile)
{
cellLayout.CellWidth = layoutInfo.TileSize.Width;
cellLayout.CellHeight = layoutInfo.TileSize.Height;
}
// Prepare union style
if(cell.StyleNormal!=null)
cellLayout.LayoutStyle=cell.StyleNormal;
else
cellLayout.LayoutStyle=layoutInfo.DefaultCellStyle;
this.LayoutSingleCell(cellLayout);
cell.SetVisible(bCellVisible);
if(bCellVisible)
{
iVisibleCells++;
y+=cell.BoundsRelative.Height;
height+=cell.BoundsRelative.Height;
if(cell.BoundsRelative.Height>0)
{
y+=this.CellVerticalSpacing;
height+=this.CellVerticalSpacing;
}
if(cell.BoundsRelative.Width>width)
width=cell.BoundsRelative.Width;
}
}
// Take last added spacing off
y-=this.CellVerticalSpacing;
height-=this.CellVerticalSpacing;
// Additional pass needed if horizontal alignment is other than left and there is more than one cell visible
if(align!=eHorizontalAlign.Left && iVisibleCells>1)
{
foreach(Cell cell in node.Cells)
{
if(!cell.IsVisible)
continue;
if(align==eHorizontalAlign.Center)
this.Offset(cell,(width-cell.BoundsRelative.Width)/2,0);
else // Right aligned cells
this.Offset(cell,width-cell.BoundsRelative.Width,0);
}
}
return new Size(width,height);
}
protected virtual Size LayoutCellsHorizontal(NodeLayoutContextInfo layoutInfo, int x, int y)
{
Node node=layoutInfo.ContextNode;
int height=0, width=0;
bool adjustHeight = false;
int cellCount = node.Cells.Count;
bool firstVisible = true;
for(int i=0;i<cellCount;i++)
{
Cell cell = null;
if (layoutInfo.ChildColumns != null && layoutInfo.ChildColumns.ColumnInfo.Count == cellCount)
cell = node.Cells[layoutInfo.ChildColumns.ColumnInfo[i].AbsoluteIndex];
else if (layoutInfo.DefaultColumns.ColumnInfo.Count == cellCount)
cell = node.Cells[layoutInfo.DefaultColumns.ColumnInfo[i].AbsoluteIndex];
else
cell = node.Cells[i];
bool bCellVisible=true;
// Setup cell layout helper class
LayoutCellInfo cellLayout=this.GetLayoutCellInfo();
cellLayout.View = layoutInfo.View;
cellLayout.Top=y;
cellLayout.Left=x;
cellLayout.CellWidth=0;
cellLayout.CellHeight = 0;
cellLayout.ContextCell=cell;
cellLayout.Graphics=layoutInfo.Graphics;
cellLayout.LeftToRight=layoutInfo.LeftToRight;
cellLayout.Font=layoutInfo.DefaultFont;
if(cell.Layout!=eCellPartLayout.Default)
cellLayout.VerticalPartAlignment=(cell.Layout==eCellPartLayout.Vertical);
else if(layoutInfo.CellPartLayout!=eCellPartLayout.Default)
cellLayout.VerticalPartAlignment=(layoutInfo.CellPartLayout==eCellPartLayout.Vertical);
ColumnInfo ci = null;
if ((layoutInfo.DefaultColumns.ColumnInfo.Count > 0 || layoutInfo.ChildColumns != null && layoutInfo.ChildColumns.ColumnInfo.Count > 0) &&
(node.Cells.Count > 1 || node.Cells.Count == layoutInfo.DefaultColumns.ColumnInfo.Count ||
layoutInfo.ChildColumns != null && layoutInfo.ChildColumns.ColumnInfo.Count == node.Cells.Count))
{
bool usingTopLevelColumns = false;
if (layoutInfo.ChildColumns != null && layoutInfo.ChildColumns.ColumnInfo.Count > 0 && i < layoutInfo.ChildColumns.ColumnInfo.Count)
ci = layoutInfo.ChildColumns.ColumnInfo[i] as ColumnInfo;
else if (i < layoutInfo.DefaultColumns.ColumnInfo.Count)
{
ci = layoutInfo.DefaultColumns.ColumnInfo[i] as ColumnInfo;
usingTopLevelColumns = true;
}
if (ci != null)
{
bCellVisible = ci.Visible;
if (ci.AutoSize && cell.HostedControl == null)
cellLayout.CellWidth = 0;
else
{
cellLayout.CellWidth = ci.Width;
if (firstVisible && usingTopLevelColumns && cellLayout.CellWidth > 0)
{
cellLayout.CellWidth = Math.Max(-1, cellLayout.CellWidth - (layoutInfo.Left + x));
if (cellLayout.CellWidth == 0) cellLayout.CellWidth = -1; // this ensures that cell content is not visible since 0 indicates to take as much space as needed
}
}
}
}
else if (layoutInfo.View == eView.Tile)
{
if (layoutInfo.IsViewGroupping && node.HasChildNodes)
{
cellLayout.CellWidth = layoutInfo.ClientRectangle.Width - layoutInfo.Left - layoutInfo.ExpandPartWidth - 1;
}
else
{
cellLayout.CellWidth = layoutInfo.TileSize.Width;
cellLayout.CellHeight = layoutInfo.TileSize.Height;
}
}
// Prepare union style
if(cell.StyleNormal!=null)
cellLayout.LayoutStyle=cell.StyleNormal;
else
{
if(layoutInfo.ContextNode.Style!=null)
{
ElementStyle styleCopy = layoutInfo.DefaultCellStyle.Copy();
styleCopy.ApplyStyle(layoutInfo.ContextNode.Style);
cellLayout.LayoutStyle = styleCopy;
}
else
cellLayout.LayoutStyle=layoutInfo.DefaultCellStyle;
}
this.LayoutSingleCell(cellLayout);
cell.SetVisible(bCellVisible);
if(bCellVisible)
{
if (ci != null && ci.AutoSize && cell.HostedControl==null)
{
if (ci.ColumnHeader.Parent.ParentNode == null && firstVisible)
ci.MaxWidth = Math.Max(ci.MaxWidth, cell.BoundsRelative.Width + (layoutInfo.Left + x) + this.LayoutSettings.CellHorizontalSpacing);
else
ci.MaxWidth = Math.Max(ci.MaxWidth, cell.BoundsRelative.Width + this.LayoutSettings.CellHorizontalSpacing);
}
x+=cell.BoundsRelative.Width;
width+=cell.BoundsRelative.Width;
if(cell.BoundsRelative.Width>0)
{
x += this.LayoutSettings.CellHorizontalSpacing;
width += this.LayoutSettings.CellHorizontalSpacing;
}
if (cell.BoundsRelative.Height > height)
{
if (height != 0) adjustHeight = true;
height = cell.BoundsRelative.Height;
}
else if (!firstVisible && cell.BoundsRelative.Height < height && !cell.TextContentBounds.IsEmpty)
adjustHeight = true;
firstVisible = false;
}
}
// Apply the uniform cell text height to all cells
if (adjustHeight)
{
for (int i = 0; i < node.Cells.Count; i++)
{
Cell cell = node.Cells[i];
if (cell.BoundsRelative.Height != height && !cell.TextContentBounds.IsEmpty)
{
cell.TextContentBounds = new Rectangle(cell.TextContentBounds.X, cell.TextContentBounds.Y,
cell.TextContentBounds.Width, cell.TextContentBounds.Height + (height - cell.BoundsRelative.Height));
int diff = height - cell.BoundsRelative.Height;
if (!cell.CheckBoxBoundsRelative.IsEmpty)
{
eVerticalAlign va = GetCheckBoxVerticalAlign(cell.CheckBoxAlignment, layoutInfo.View);
if (va == eVerticalAlign.Middle)
cell.SetCheckBoxBounds(new Rectangle(cell.CheckBoxBoundsRelative.X, cell.CheckBoxBoundsRelative.Y + (int)Math.Ceiling((double)diff / 2), cell.CheckBoxBoundsRelative.Width, cell.CheckBoxBoundsRelative.Height));
if (va == eVerticalAlign.Bottom)
cell.SetCheckBoxBounds(new Rectangle(cell.CheckBoxBoundsRelative.X, cell.CheckBoxBoundsRelative.Y + diff, cell.CheckBoxBoundsRelative.Width, cell.CheckBoxBoundsRelative.Height));
}
if (!cell.ImageBoundsRelative.IsEmpty)
{
eVerticalAlign va = GetVerticalAlign(cell.ImageAlignment, layoutInfo.View);
if(va== eVerticalAlign.Middle)
cell.SetImageBounds(new Rectangle(cell.ImageBoundsRelative.X, cell.ImageBoundsRelative.Y + (int)Math.Ceiling((double)diff / 2), cell.ImageBoundsRelative.Width, cell.ImageBoundsRelative.Height));
else if (va == eVerticalAlign.Bottom)
cell.SetImageBounds(new Rectangle(cell.ImageBoundsRelative.X, cell.ImageBoundsRelative.Y + diff, cell.ImageBoundsRelative.Width, cell.ImageBoundsRelative.Height));
}
cell.SetBounds(new Rectangle(cell.BoundsRelative.X, cell.BoundsRelative.Y, cell.BoundsRelative.Width, height));
}
}
}
// Take last added spacing off
x -= this.LayoutSettings.CellHorizontalSpacing;
width -= this.LayoutSettings.CellHorizontalSpacing;
return new Size(width,height);
}
/// <summary>
/// Determines the rectangle of the +/- part of the tree node that is used to expand node.
/// </summary>
/// <param name="layoutInfo">Node layout context information</param>
protected virtual void LayoutExpandPart(NodeLayoutContextInfo layoutInfo, bool bLeftNode, int x)
{
Node node=layoutInfo.ContextNode;
Size partSize=GetExpandPartSize();
Rectangle bounds=new Rectangle(x,0,partSize.Width,partSize.Height);
bounds.Y=(node.BoundsRelative.Height-bounds.Height)/2;
if (bLeftNode || layoutInfo.ExpandPartAlignedLeft && layoutInfo.LeftToRight)
bounds.X += (this.LayoutSettings.ExpandAreaWidth - bounds.Width) / 2;
else
bounds.X = node.BoundsRelative.Right - this.LayoutSettings.ExpandAreaWidth + (this.LayoutSettings.ExpandAreaWidth - partSize.Width) / 2;
node.SetExpandPartRectangle(bounds);
}
private void LayoutTopLevelColumns(NodeLayoutContextInfo layoutInfo)
{
// Layout tree columns
if (this.Tree.Columns.Count > 0)
{
Rectangle columnsBounds = DevComponents.DotNetBar.ElementStyleLayout.GetInnerRect(this.Tree.BackgroundStyle, this.Tree.ClientRectangle);
if (this.Tree.VScrollBar != null) columnsBounds.Width -= this.Tree.VScrollBar.Width;
layoutInfo.TreeColumns = this.Tree.Columns;
int columnHeight = Layout.ColumnHeaderLayout.LayoutColumnHeader(layoutInfo, 0,
0, columnsBounds.Width, this.GetCellLayout().LayoutSettings.CellHorizontalSpacing);
columnHeight += this.LayoutSettings.NodeVerticalSpacing;
if (this.Tree.ColumnsVisible)
{
Rectangle headerBounds = layoutInfo.TreeColumns.Bounds;
if (headerBounds.Width > 0 && headerBounds.Width < columnsBounds.Width)
{
headerBounds.Width = columnsBounds.Width;
layoutInfo.TreeColumns.SetBounds(headerBounds);
}
layoutInfo.Top += columnHeight;
this.Tree.SetColumnHeaderControlVisibility(true);
}
else
this.Tree.SetColumnHeaderControlVisibility(false);
layoutInfo.TreeColumns = null;
}
else
this.Tree.SetColumnHeaderControlVisibility(false);
}
///// <summary>
///// Gets or sets the size of the expand part that is expanding/collapsing the node. Default value is 8,8.
///// </summary>
//public System.Drawing.Size ExpandPartSize
//{
// get {return m_ExpandPartSize;}
// set {m_ExpandPartSize=value;}
//}
/// <summary>
/// Provides the layout for single node.
/// </summary>
/// <param name="layoutInfo">Layout information.</param>
protected virtual void LayoutNode(NodeLayoutContextInfo layoutInfo)
{
bool bHasExpandPart=this.HasExpandPart(layoutInfo);
bool bHasCommandPart=this.HasCommandPart(layoutInfo);
Node node=layoutInfo.ContextNode;
Rectangle nodeRect = new Rectangle(layoutInfo.Left, layoutInfo.Top, 0, 0);
Rectangle nodeContentRect=Rectangle.Empty; // Node content rect excludes expand rect
int height=0, width=0;
// Left node relative to the main root node...
bool bLeftNode = layoutInfo.LeftToRight; // (layoutInfo.MapPositionNear && layoutInfo.LeftToRight);
layoutInfo.LayoutNodeExpandPartWidth = 0;
if(bLeftNode && bHasExpandPart || this.ReserveExpandPartSpace)
{
layoutInfo.LayoutNodeExpandPartWidth = (this.LayoutSettings.ExpandAreaWidth + this.GetCellLayout().CellPartSpacing);
width += (this.LayoutSettings.ExpandAreaWidth + this.GetCellLayout().CellPartSpacing);
}
int x=width; // relative to 0,0 of the node
int y=0; // Relative to 0,0 of the node
// Apply node style
ElementStyle nodeStyle=null;
if(node.Expanded && node.StyleExpanded!=null)
nodeStyle=node.StyleExpanded;
else if(node.Style!=null)
nodeStyle=node.Style;
else
nodeStyle=layoutInfo.DefaultNodeStyle;
nodeContentRect.X=x;
if(nodeStyle!=null)
{
x+=ElementStyleLayout.LeftWhiteSpace(nodeStyle);
y+=ElementStyleLayout.TopWhiteSpace(nodeStyle);
nodeContentRect.X+=nodeStyle.MarginLeft;
nodeContentRect.Y+=nodeStyle.MarginTop;
}
Size size = this.GetCellLayout().LayoutCells(layoutInfo, x, y);
node.SetCellsBounds(new Rectangle(x, y, size.Width, size.Height));
height=size.Height;
width+=size.Width;
nodeContentRect.Width=size.Width;
nodeContentRect.Height=size.Height;
if(nodeStyle!=null)
{
nodeContentRect.Width+=(ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Padding | eSpacePart.Border,eStyleSide.Left)+
ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Padding | eSpacePart.Border,eStyleSide.Right));
nodeContentRect.Height+=(ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Padding | eSpacePart.Border,eStyleSide.Top)+
ElementStyleLayout.StyleSpacing(nodeStyle,eSpacePart.Padding | eSpacePart.Border,eStyleSide.Bottom));
width+=(ElementStyleLayout.HorizontalStyleWhiteSpace(nodeStyle));
height+=(ElementStyleLayout.VerticalStyleWhiteSpace(nodeStyle));
}
if (!bLeftNode && bHasExpandPart && !this.ReserveExpandPartSpace)
width += this.LayoutSettings.ExpandAreaWidth;
if(bHasCommandPart)
{
width += this.LayoutSettings.CommandAreaWidth;
nodeContentRect.Width += this.LayoutSettings.CommandAreaWidth;
}
nodeRect.Height=height;
nodeRect.Width=width;
node.SetBounds(nodeRect);
node.SetContentBounds(nodeContentRect);
if(bHasCommandPart)
LayoutCommandPart(layoutInfo, nodeStyle);
else
node.CommandBoundsRelative=Rectangle.Empty;
if (bHasExpandPart || this.ReserveExpandPartSpace)
LayoutExpandPart(layoutInfo,bLeftNode, 0);
else
node.SetExpandPartRectangle(Rectangle.Empty);
node.SizeChanged=false;
// Calculate size and location of node column header if any
//if(node.NodesColumnHeaderVisible)
{
//layoutInfo.Left+=this.NodeLevelOffset;
LayoutColumnHeader(layoutInfo);
//layoutInfo.Left-=this.NodeLevelOffset;
}
}
private Rectangle ProcessTopLevelNodes(Rectangle area, NodeLayoutContextInfo layoutInfo, Node[] topLevelNodes)
{
foreach (Node childNode in topLevelNodes)
{
layoutInfo.ContextNode = childNode;
ProcessNode(layoutInfo);
if (childNode.Visible)
{
area = Rectangle.Union(area, childNode.BoundsRelative);
if (childNode.Expanded)
area = Rectangle.Union(area, childNode.ChildNodesBounds);
}
}
return area;
}
/// <summary>
/// Returns whether given node has command part.
/// </summary>
/// <param name="layoutInfo">Layout context information.</param>
/// <returns>True if command part should be drawn otherwise false.</returns>
protected virtual bool HasCommandPart(NodeLayoutContextInfo layoutInfo)
{
return layoutInfo.ContextNode.CommandButton;
}
private void ProcessNode(NodeLayoutContextInfo layoutInfo)
{
Node node=layoutInfo.ContextNode;
if (!node.Visible) return;
int originalTop = layoutInfo.Top;
if (node.SizeChanged || node.HasColumns || layoutInfo.DefaultColumns!=null && layoutInfo.DefaultColumns.HasAutoSizeColumn || layoutInfo.ChildColumns!=null && layoutInfo.ChildColumns.HasAutoSizeColumn)
{
// Calculate size of the node itself...
LayoutNode(layoutInfo);
}
if (node.FullRowBackground)
layoutInfo.FullRowBackgroundNodes.Add(node);
if (node.BoundsRelative.X != layoutInfo.Left || node.BoundsRelative.Y != layoutInfo.Top)
{
// Adjust top position
node.SetBounds(new Rectangle(layoutInfo.Left,layoutInfo.Top,node.BoundsRelative.Width,node.BoundsRelative.Height));
//foreach(Cell c in node.Cells)
// c.SetBounds(new Rectangle(c.BoundsRelative.X + layoutInfo.Left, c.BoundsRelative.Y+layoutInfo.Top, c.BoundsRelative.Width, c.BoundsRelative.Height));
}
int nodeVerticalSpacing = this.LayoutSettings.NodeVerticalSpacing;
// Need to set the Top position properly
layoutInfo.Top += (node.BoundsRelative.Height + nodeVerticalSpacing);
if (DevComponents.AdvTree.Display.NodeDisplay.HasColumnsVisible(node))
layoutInfo.Top += node.ColumnHeaderHeight;
if(node.Expanded)
{
int originalLevelOffset=layoutInfo.Left;
int childNodesTop = layoutInfo.Top;
layoutInfo.Left += this.NodeLevelOffset + node.NodesIndent;
NodeColumnInfo parentColumns = layoutInfo.ChildColumns;
NodeColumnInfo childColumns = GetNodeColumnInfo(node);
Rectangle childNodesBounds = ProcessChildNodes(layoutInfo, node, nodeVerticalSpacing, childColumns);
if (childColumns != null && childColumns.HasAutoSizeColumn)
{
bool hasMinColumnAutoSizeWidth = false;
foreach (ColumnInfo columnInfo in childColumns.ColumnInfo)
{
if (columnInfo.AutoSize)
{
columnInfo.Width = columnInfo.MaxWidth;
columnInfo.ColumnHeader.Width.SetAutoSizeWidth(columnInfo.MaxWidth);
columnInfo.AutoSize = false;
columnInfo.MaxWidth = 0;
if (columnInfo.ColumnHeader.Width.AutoSizeMinHeader)
hasMinColumnAutoSizeWidth = true;
}
}
layoutInfo.Top = originalTop;
layoutInfo.Left = originalLevelOffset;
layoutInfo.ContextNode = node;
layoutInfo.ChildColumns = parentColumns;
LayoutNode(layoutInfo);
layoutInfo.Top = childNodesTop;
layoutInfo.Left += this.NodeLevelOffset + node.NodesIndent;
// Adjust the of auto sized columns in case minimum header width is used
if (hasMinColumnAutoSizeWidth)
{
foreach (ColumnInfo columnInfo in childColumns.ColumnInfo)
{
if (columnInfo.ColumnHeader.Width.AutoSize && columnInfo.ColumnHeader.Width.AutoSizeMinHeader)
{
columnInfo.Width = columnInfo.ColumnHeader.Bounds.Width;
}
}
}
childNodesBounds = ProcessChildNodes(layoutInfo, node, nodeVerticalSpacing, childColumns);
}
node.ChildNodesBounds = childNodesBounds;
layoutInfo.ChildColumns=parentColumns;
layoutInfo.ContextNode=node;
layoutInfo.Left=originalLevelOffset;
}
}
// Assumes that layoutInfo is up-to-date and that Node that is connected with
// columns is already processed and it's size and location calculated.
// layoutInfo.Top member reflects the next position below the node
// layoutInfo.LevelOffset should reflect the X offset for the child nodes.
public void LayoutColumnHeader(NodeLayoutContextInfo layoutInfo)
{
Node node=layoutInfo.ContextNode;
if (!node.HasColumns || !node.Expanded)
{
node.ColumnHeaderHeight = 0;
return;
}
int spacing = 2;
int x = layoutInfo.Left + this.NodeLevelOffset + node.NodesIndent;
int y=layoutInfo.ContextNode.BoundsRelative.Bottom + spacing;
bool bLeftNode=(layoutInfo.MapPositionNear && layoutInfo.LeftToRight);
int expandPartWidth = this.LayoutSettings.ExpandAreaWidth;
int cellPartSpacing=GetCellLayout().CellPartSpacing;
if (!bLeftNode)
x += (expandPartWidth + cellPartSpacing);
int clientWidth = layoutInfo.ClientRectangle.Width - (layoutInfo.Left + expandPartWidth);
if (clientWidth <= 0)
clientWidth = layoutInfo.ClientRectangle.Width;
node.ColumnHeaderHeight = Layout.ColumnHeaderLayout.LayoutColumnHeader(layoutInfo, x, y, clientWidth, this.GetCellLayout().LayoutSettings.CellHorizontalSpacing) + spacing;
if (!node.NodesColumnsHeaderVisible)
node.ColumnHeaderHeight = 0;
}
// Assumes that layoutInfo is up-to-date and that Node that is connected with
// columns is already processed and it's size and location calculated.
// layoutInfo.Top member reflects the next position below the node
// layoutInfo.LevelOffset should reflect the X offset for the child nodes.
public static int LayoutColumnHeader(NodeLayoutContextInfo layoutInfo,int x, int y, int clientWidth, int cellHorizontalSpacing)
{
ColumnHeaderCollection columns = null;
Node node=layoutInfo.ContextNode;
if (node == null)
columns = layoutInfo.TreeColumns;
else
columns = node.NodesColumns;
columns.UsesRelativeSize = false;
int height=0;
bool adjustHeight = false;
Rectangle totalBounds = Rectangle.Empty;
ColumnHeader lastVisibleColumn = null;
ColumnHeader stretchToFillColumn = null;
bool allRelative = true;
bool firstVisible = true;
for (int i = 0; i < columns.Count; i++)
{
ColumnHeader col = columns.ColumnAtDisplayIndex(i);
col.IsLastVisible = false;
if(!col.Visible)
continue;
col.IsFirstVisible = firstVisible;
firstVisible = false;
//if(col.SizeChanged)
{
// Column for child nodes is always placed below the current node and
// is not included in the node's rectangle
Rectangle bounds=Rectangle.Empty;
bounds.X=x;
bounds.Y=y;
if (col.Width.AutoSize)
{
int autoWidth = col.Width.AutoSizeWidth;
if (col.Width.AutoSizeMinHeader)
{
Font headerFont = layoutInfo.DefaultFont;
if (!string.IsNullOrEmpty(col.StyleNormal))
{
ElementStyle style = layoutInfo.Styles[col.StyleNormal];
if (style != null && style.Font != null)
headerFont = style.Font;
}
else if (layoutInfo.ColumnStyle != null && layoutInfo.ColumnStyle.Font != null)
headerFont = layoutInfo.ColumnStyle.Font;
if (headerFont != null)
{
int columnHeaderTextWidth = (int)Math.Ceiling(layoutInfo.Graphics.MeasureString(col.Text, headerFont).Width) + 2;
autoWidth = Math.Max(autoWidth, columnHeaderTextWidth);
}
}
bounds.Width = autoWidth;
allRelative = false;
}
else if (col.Width.Absolute > 0)
{
bounds.Width = col.Width.Absolute;
allRelative = false;
}
else if (col.Width.Absolute == -1)
{
bounds.Width = 0;
allRelative = false;
}
else if (col.Width.Relative > 0)
{
if (col.IsFirstVisible)
{
clientWidth -= layoutInfo.ExpandPartWidth;
bounds.Width = (clientWidth * col.Width.Relative) / 100 - cellHorizontalSpacing;
bounds.Width += layoutInfo.ExpandPartWidth;
}
else
bounds.Width = (clientWidth * col.Width.Relative) / 100 - cellHorizontalSpacing;
columns.UsesRelativeSize = true;
}
lastVisibleColumn = col;
if (col.StretchToFill)
{
stretchToFillColumn = col;
columns.UsesRelativeSize = true;
}
if(col.StyleNormal=="" && col.StyleMouseDown=="" && col.StyleMouseOver=="")
{
bounds.Height=layoutInfo.DefaultHeaderSize.Height;
}
else
{
Size sz=Size.Empty;
if(col.StyleNormal!="")
{
ElementStyleLayout.CalculateStyleSize(layoutInfo.Styles[col.StyleNormal],layoutInfo.DefaultFont);
sz=layoutInfo.Styles[col.StyleNormal].Size;
}
if(sz.Height==0)
bounds.Height=layoutInfo.DefaultHeaderSize.Height;
else
bounds.Height=sz.Height;
}
if (col.Image != null && col.Image.Height+4>bounds.Height)
{
bounds.Height = col.Image.Height + 4;
}
col.SetBounds(bounds);
col.SizeChanged=false;
x += (bounds.Width + cellHorizontalSpacing);
if (bounds.Height > height)
{
if (height > 0)
adjustHeight = true;
height = bounds.Height;
}
else if (bounds.Height < height)
adjustHeight = true;
}
if (totalBounds.IsEmpty)
totalBounds = col.Bounds;
else
totalBounds = Rectangle.Union(totalBounds, col.Bounds);
}
if (adjustHeight)
{
foreach (ColumnHeader col in columns)
{
col.SetBounds(new Rectangle(col.Bounds.X, col.Bounds.Y, col.Bounds.Width, height));
}
}
if (lastVisibleColumn != null && allRelative)
{
lastVisibleColumn.SetBounds(new Rectangle(lastVisibleColumn.Bounds.X, lastVisibleColumn.Bounds.Y, lastVisibleColumn.Bounds.Width + cellHorizontalSpacing, lastVisibleColumn.Bounds.Height));
totalBounds = Rectangle.Union(totalBounds, lastVisibleColumn.Bounds);
}
if (lastVisibleColumn != null) lastVisibleColumn.IsLastVisible = true;
if (stretchToFillColumn != null && totalBounds.Width < clientWidth)
{
int stretch = clientWidth - totalBounds.Width;
if (stretchToFillColumn.IsFirstVisible && stretchToFillColumn.IsLastVisible) // Single column visible only case
stretch -= layoutInfo.Indent;
else if (stretchToFillColumn.Parent != null && stretchToFillColumn.Parent.ParentNode != null)
stretch -= layoutInfo.Indent;
stretchToFillColumn.SetBounds(new Rectangle(stretchToFillColumn.Bounds.X, stretchToFillColumn.Bounds.Y,
stretchToFillColumn.Bounds.Width + stretch, stretchToFillColumn.Bounds.Height));
totalBounds = Rectangle.Union(totalBounds, stretchToFillColumn.Bounds);
if (!stretchToFillColumn.IsLastVisible) // Offset columns to the right if this was not last visible column
{
int startIndex = columns.GetDisplayIndex(stretchToFillColumn) + 1;
for (int i = startIndex; i < columns.Count; i++)
{
ColumnHeader col = columns.ColumnAtDisplayIndex(i);
if (!col.Visible) continue;
col.SetBounds(new Rectangle(col.Bounds.X + stretch, col.Bounds.Y, col.Bounds.Width, col.Bounds.Height));
totalBounds = Rectangle.Union(totalBounds, col.Bounds);
}
}
}
columns.SetBounds(totalBounds);
return height;
}