private int GetCellContentHeight(IFastGridCell cell)
{
if (cell == null)
{
return(0);
}
var font = GetFont(false, false);
var res = font.TextHeight;
for (var i = 0; i < cell.BlockCount; i++)
{
var block = cell.GetBlock(i);
if (block.BlockType != FastGridBlockType.Text)
{
continue;
}
var text = block.TextData;
if (text == null)
{
continue;
}
var hi = font.GetTextHeight(text);
if (hi > res)
{
res = hi;
}
}
return(res);
}
private int GetCellContentWidth(IFastGridCell cell, int?maxSize = null)
{
if (cell == null)
{
return(0);
}
var count = cell.BlockCount;
var witdh = 0;
for (var i = 0; i < count; i++)
{
var block = cell.GetBlock(i);
if (block == null)
{
continue;
}
if (i > 0)
{
witdh += BlockPadding;
}
switch (block.BlockType)
{
case FastGridBlockType.Text:
var text = block.TextData;
var font = GetFont(block.IsBold, block.IsItalic);
witdh += font.GetTextWidth(text, maxSize);
break;
case FastGridBlockType.Image:
witdh += block.ImageWidth;
break;
}
}
return(witdh);
}
private void RenderCell(IFastGridCell cell, IntRect rect, Color?selectedTextColor, Color bgColor, FastGridCellAddress cellAddr)
{
var isHoverCell = !cellAddr.IsEmpty && cellAddr == _mouseOverCell;
if (isHoverCell)
{
_mouseOverCellIsTrimmed = false;
CurrentCellActiveRegions.Clear();
CurrentHoverRegion = null;
}
if (cell == null)
{
return;
}
var rectContent = GetContentRect(rect);
_drawBuffer.DrawRectangle(rect, GridLineColor);
_drawBuffer.FillRectangle(rect.GrowSymmetrical(-1, -1), bgColor);
var count = cell.BlockCount;
var rightCount = cell.RightAlignBlockCount;
var leftCount = count - rightCount;
var leftPos = rectContent.Left;
var rightPos = rectContent.Right;
for (var i = count - 1; i >= count - rightCount; i--)
{
var block = cell.GetBlock(i);
if (block == null)
{
continue;
}
if (i < count - 1)
{
rightPos -= BlockPadding;
}
var blockWi = RenderBlock(leftPos, rightPos, selectedTextColor, bgColor, rectContent, block, cellAddr, false, isHoverCell);
rightPos -= blockWi;
}
for (var i = 0; i < leftCount && leftPos < rightPos; i++)
{
var block = cell.GetBlock(i);
if (block == null)
{
continue;
}
if (i > 0)
{
leftPos += BlockPadding;
}
var blockWi = RenderBlock(leftPos, rightPos, selectedTextColor, bgColor, rectContent, block, cellAddr, true, isHoverCell);
leftPos += blockWi;
}
switch (cell.Decoration)
{
case CellDecoration.StrikeOutHorizontal:
_drawBuffer.DrawLine(rect.Left, rect.Top + rect.Height / 2, rect.Right, rect.Top + rect.Height / 2, cell.DecorationColor ?? Colors.Black);
break;
}
if (isHoverCell)
{
_mouseOverCellIsTrimmed = leftPos > rightPos;
}
}