DotNet 4.8.1 build of DotNetBar
This commit is contained in:
393
PROMS/DotNetBar Source Code/AdvTree/Layout/CellTileLayout.cs
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393
PROMS/DotNetBar Source Code/AdvTree/Layout/CellTileLayout.cs
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Drawing;
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using DevComponents.DotNetBar;
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namespace DevComponents.AdvTree.Layout
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{
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internal class CellTileLayout : CellLayout
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{
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/// <summary>
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/// Initializes a new instance of the CellTileLayout class.
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/// </summary>
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public CellTileLayout(LayoutSettings layoutSettings) : base(layoutSettings)
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{
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}
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public override Size LayoutCells(NodeLayoutContextInfo layoutInfo, int x, int y)
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{
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eCellLayout layout = layoutInfo.CellLayout;
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if (layoutInfo.ContextNode.CellLayout != layoutInfo.CellLayout && layoutInfo.ContextNode.CellLayout != eCellLayout.Default)
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layout = layoutInfo.ContextNode.CellLayout;
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if (layout == eCellLayout.Default && !(layoutInfo.ContextNode.HasChildNodes && layoutInfo.IsViewGroupping) && layoutInfo.ContextNode.ImageAlignment == eCellPartAlignment.Default)
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{
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return TileLayout(layoutInfo, x, y);
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}
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else
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return base.LayoutCells(layoutInfo, x, y);
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}
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private Size TileLayout(NodeLayoutContextInfo layoutInfo, int x, int y)
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{
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Node node = layoutInfo.ContextNode;
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int height = 0, width = 0, realHeight = 0;
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//eHorizontalAlign align = eHorizontalAlign.Left;
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Size tileSize = layoutInfo.TileSize;
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int iVisibleCells = 0;
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int cellCount = node.Cells.Count;
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bool isVerticalOverflow = false;
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for (int i = 0; i < cellCount; i++)
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{
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Cell cell = node.Cells[i];
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bool bCellVisible = isVerticalOverflow ? false : true;
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// Setup cell layout helper class
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LayoutCellInfo cellLayout = this.GetLayoutCellInfo();
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cellLayout.Top = y;
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cellLayout.Left = x;
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cellLayout.CellWidth = tileSize.Width;
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cellLayout.ContextCell = cell;
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cellLayout.Graphics = layoutInfo.Graphics;
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cellLayout.LeftToRight = layoutInfo.LeftToRight;
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cellLayout.Font = layoutInfo.DefaultFont;
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cellLayout.View = layoutInfo.View;
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cellLayout.CellIndex = i;
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if (cell.Layout != eCellPartLayout.Default)
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cellLayout.VerticalPartAlignment = (cell.Layout == eCellPartLayout.Vertical);
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else if (layoutInfo.CellPartLayout != eCellPartLayout.Default)
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cellLayout.VerticalPartAlignment = (layoutInfo.CellPartLayout == eCellPartLayout.Vertical);
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// Prepare union style
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if (cell.StyleNormal != null)
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cellLayout.LayoutStyle = cell.StyleNormal;
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else
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cellLayout.LayoutStyle = layoutInfo.DefaultCellStyle;
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this.LayoutSingleTileCell(cellLayout);
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if (bCellVisible && y + cell.BoundsRelative.Height > tileSize.Height && i > 0)
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{
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isVerticalOverflow = true;
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bCellVisible = false;
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}
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cell.SetVisible(bCellVisible);
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if (bCellVisible)
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{
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iVisibleCells++;
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y += cell.BoundsRelative.Height;
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height += cell.BoundsRelative.Height;
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if (cell.BoundsRelative.Height > 0)
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{
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y += this.CellVerticalSpacing;
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height += this.CellVerticalSpacing;
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}
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if (cell.BoundsRelative.Width > width)
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width = cell.BoundsRelative.Width;
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if (i == 0)
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{
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realHeight += cell.BoundsRelative.Height;
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if (cell.BoundsRelative.Height > 0)
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realHeight += this.CellVerticalSpacing;
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}
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else
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realHeight = Math.Max(realHeight, height);
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// Align other cells under the text of the first cell and to the right of the image, if any
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if (i == 0 && !cell.Images.LargestImageSize.IsEmpty && cellCount > 1)
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{
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Size largestImageSize = Dpi.ImageSize(cell.Images.LargestImageSize);
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if (cell.TextContentBounds.IsEmpty)
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x += largestImageSize.Width + this.ImageTextSpacing;
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else
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x += (cell.TextContentBounds.X - x);
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tileSize.Width = cell.TextContentBounds.Width;
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height -= cell.BoundsRelative.Height;
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height += cell.TextContentBounds.Height;
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y -= cell.BoundsRelative.Height;
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y += cell.TextContentBounds.Height;
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}
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}
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}
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// Take last added spacing off
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y -= this.CellVerticalSpacing;
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height -= this.CellVerticalSpacing;
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realHeight -= this.CellVerticalSpacing;
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if (node.Cells[0].BoundsRelative.Height > height && !node.Cells[0].Images.LargestImageSize.IsEmpty)
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{
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int textOffset = ((realHeight - height) / iVisibleCells) / 2;
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if (textOffset > 0)
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{
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foreach (Cell cell in node.Cells)
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{
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if (!cell.IsVisible) continue;
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cell.TextContentBounds = new Rectangle(cell.TextContentBounds.X, cell.TextContentBounds.Y + textOffset, cell.TextContentBounds.Width, cell.TextContentBounds.Height);
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}
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}
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}
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else if(iVisibleCells == 1)
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{
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Rectangle rtc = node.Cells[0].TextContentBounds;
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node.Cells[0].TextContentBounds = new Rectangle(rtc.X, rtc.Y, rtc.Width, node.Cells[0].BoundsRelative.Height);
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}
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// Additional pass needed if horizontal alignment is other than left and there is more than one cell visible
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//if (align != eHorizontalAlign.Left && iVisibleCells > 1)
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//{
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// foreach (Cell cell in node.Cells)
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// {
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// if (!cell.IsVisible)
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// continue;
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// if (align == eHorizontalAlign.Center)
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// this.Offset(cell, (width - cell.BoundsRelative.Width) / 2, 0);
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// else // Right aligned cells
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// this.Offset(cell, width - cell.BoundsRelative.Width, 0);
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// }
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//}
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if (width < layoutInfo.TileSize.Width)
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width = layoutInfo.TileSize.Width;
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if (realHeight < layoutInfo.TileSize.Height)
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realHeight = layoutInfo.TileSize.Height;
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return new Size(width, realHeight);
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}
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protected virtual void LayoutSingleTileCell(LayoutCellInfo info)
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{
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Size textSize = Size.Empty;
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Font font = info.Font;
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int fontHeight = info.FontHeight;
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int height = 0;
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if (info.LayoutStyle.Font != null)
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{
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font = info.LayoutStyle.Font;
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fontHeight = font.Height;
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}
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info.ContextCell.OnLayoutCell();
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Size largestImageSize = info.ContextCell.Images.LargestImageSize;
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if (largestImageSize.IsEmpty && HasImage(info.ContextCell))
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info.ContextCell.Images.RefreshLargestImageSize();
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largestImageSize = Dpi.ImageSize(info.ContextCell.Images.LargestImageSize);
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if (info.ContextCell.HostedControl != null)
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{
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Size controlSize = info.ContextCell.HostedControl.Size;
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if (!info.ContextCell.HostedControlSize.IsEmpty)
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controlSize = info.ContextCell.HostedControlSize;
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if (info.CellWidth == 0)
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textSize = new Size(controlSize.Width, controlSize.Height);
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else
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{
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int availTextWidth = info.CellWidth -
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ElementStyleLayout.HorizontalStyleWhiteSpace(info.LayoutStyle);
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textSize = new Size(availTextWidth, controlSize.Height);
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}
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}
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else if (info.ContextCell.HostedItem != null)
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{
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if (info.CellWidth != 0) info.ContextCell.HostedItem.WidthInternal = info.CellWidth;
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info.ContextCell.HostedItem.RecalcSize();
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Size controlSize = info.ContextCell.HostedItem.Size;
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if (info.CellWidth == 0)
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textSize = new Size(controlSize.Width, controlSize.Height);
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else
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{
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int availTextWidth = info.CellWidth -
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ElementStyleLayout.HorizontalStyleWhiteSpace(info.LayoutStyle);
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textSize = new Size(availTextWidth, controlSize.Height);
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info.ContextCell.HostedItem.WidthInternal = availTextWidth;
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}
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}
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else
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{
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// Calculate Text Width and Height
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if (info.CellWidth == 0)
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{
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if (info.ContextCell.TextMarkupBody == null)
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{
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string text = info.ContextCell.DisplayText;
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if (text != "")
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{
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if (info.LayoutStyle.WordWrap && info.LayoutStyle.MaximumWidth > 0)
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textSize = TextDrawing.MeasureString(info.Graphics, text, font, info.LayoutStyle.MaximumWidth);
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else if (info.ContextCell.Parent != null && info.ContextCell.Parent.Style != null && info.ContextCell.Parent.Style.WordWrap && info.ContextCell.Parent.Style.MaximumWidth > 0)
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textSize = TextDrawing.MeasureString(info.Graphics, text, font, info.ContextCell.Parent.Style.MaximumWidth);
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else
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textSize = TextDrawing.MeasureString(info.Graphics, text, font, 0, eTextFormat.Left | eTextFormat.LeftAndRightPadding | eTextFormat.GlyphOverhangPadding | eTextFormat.NoPrefix);
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#if (FRAMEWORK20)
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if (!BarFunctions.IsVista && BarUtilities.UseTextRenderer) textSize.Width += 4;
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#endif
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}
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else if (largestImageSize.IsEmpty && !info.ContextCell.CheckBoxVisible)
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{
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textSize = new Size(5, fontHeight);
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}
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}
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else
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{
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Size availSize = new Size(1600, 1);
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if (info.LayoutStyle.WordWrap && info.LayoutStyle.MaximumWidth > 0)
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availSize.Width = info.LayoutStyle.MaximumWidth;
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else if (info.ContextCell.Parent != null && info.ContextCell.Parent.Style != null && info.ContextCell.Parent.Style.WordWrap && info.ContextCell.Parent.Style.MaximumWidth > 0)
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availSize.Width = info.ContextCell.Parent.Style.MaximumWidth;
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DevComponents.DotNetBar.TextMarkup.MarkupDrawContext d = new DevComponents.DotNetBar.TextMarkup.MarkupDrawContext(info.Graphics, font, Color.Empty, false);
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info.ContextCell.TextMarkupBody.Measure(availSize, d);
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availSize = info.ContextCell.TextMarkupBody.Bounds.Size;
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d.RightToLeft = !info.LeftToRight;
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info.ContextCell.TextMarkupBody.Arrange(new Rectangle(0, 0, availSize.Width, availSize.Height), d);
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textSize = info.ContextCell.TextMarkupBody.Bounds.Size;
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}
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}
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else
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{
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int availTextWidth = info.CellWidth -
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ElementStyleLayout.HorizontalStyleWhiteSpace(info.LayoutStyle);
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availTextWidth -= largestImageSize.Width +
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(largestImageSize.Width > 0 ? ImageTextSpacing * 2 : 0);
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if (info.ContextCell.CheckBoxVisible)
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availTextWidth -= CheckBoxSize.Width + ImageTextSpacing * 2;
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int cellHeight = fontHeight;
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if (info.LayoutStyle.WordWrap || info.ContextCell.TextMarkupBody != null)
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{
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cellHeight = info.LayoutStyle.MaximumHeight - info.LayoutStyle.MarginTop -
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info.LayoutStyle.MarginBottom - info.LayoutStyle.PaddingTop - info.LayoutStyle.PaddingBottom;
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if (info.ContextCell.TextMarkupBody == null)
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{
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if (availTextWidth > 0)
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{
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if (cellHeight > 0)
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textSize = TextDrawing.MeasureString(info.Graphics, info.ContextCell.DisplayText, font, new Size(availTextWidth, cellHeight), info.LayoutStyle.TextFormat);
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else
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textSize = TextDrawing.MeasureString(info.Graphics, info.ContextCell.DisplayText, font, availTextWidth, info.LayoutStyle.TextFormat);
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}
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}
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else
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{
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Size availSize = new Size(availTextWidth, 1);
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DevComponents.DotNetBar.TextMarkup.MarkupDrawContext d = new DevComponents.DotNetBar.TextMarkup.MarkupDrawContext(info.Graphics, font, Color.Empty, false);
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info.ContextCell.TextMarkupBody.Measure(availSize, d);
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availSize = info.ContextCell.TextMarkupBody.Bounds.Size;
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availSize.Width = availTextWidth;
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d.RightToLeft = !info.LeftToRight;
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info.ContextCell.TextMarkupBody.Arrange(new Rectangle(0, 0, availSize.Width, availSize.Height), d);
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textSize = info.ContextCell.TextMarkupBody.Bounds.Size;
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}
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}
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else
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textSize = new Size(availTextWidth, cellHeight);
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}
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}
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if (info.LayoutStyle.WordWrap)
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info.ContextCell.WordWrap = true;
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else
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info.ContextCell.WordWrap = false;
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height = (int)Math.Max(height, Math.Ceiling((double)textSize.Height));
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if (info.VerticalPartAlignment)
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{
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if (largestImageSize.Height > 0)
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height += largestImageSize.Height + this.ImageTextSpacing;
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if (info.ContextCell.CheckBoxVisible)
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height += CheckBoxSize.Height + this.ImageCheckBoxSpacing;
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}
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else
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{
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if (largestImageSize.Height > height)
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height = largestImageSize.Height;
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if (info.ContextCell.CheckBoxVisible && CheckBoxSize.Height > height)
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height = CheckBoxSize.Height;
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}
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Rectangle r = new Rectangle(info.Left + ElementStyleLayout.LeftWhiteSpace(info.LayoutStyle),
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info.Top + ElementStyleLayout.TopWhiteSpace(info.LayoutStyle)
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, info.CellWidth, height);
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if (r.Width == 0)
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{
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if (info.VerticalPartAlignment)
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{
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r.Width = (int)Math.Ceiling((double)textSize.Width);
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if (largestImageSize.Width > r.Width)
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r.Width = (largestImageSize.Width + this.ImageTextSpacing);
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if (info.ContextCell.CheckBoxVisible && CheckBoxSize.Width > r.Width)
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r.Width += (CheckBoxSize.Width + this.ImageTextSpacing);
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}
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else
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{
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r.Width = (int)Math.Ceiling((double)textSize.Width);
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if (largestImageSize.Width > 0)
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r.Width += (largestImageSize.Width + this.ImageTextSpacing);
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if (info.ContextCell.CheckBoxVisible)
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r.Width += (CheckBoxSize.Width + this.ImageTextSpacing);
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}
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}
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// Now that we have cell bounds store them
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Rectangle rCellBounds = new Rectangle(info.Left, info.Top, info.CellWidth, r.Height + info.LayoutStyle.MarginTop + info.LayoutStyle.MarginBottom + info.LayoutStyle.PaddingTop + info.LayoutStyle.PaddingBottom);
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if (rCellBounds.Width == 0)
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rCellBounds.Width = r.Width + ElementStyleLayout.HorizontalStyleWhiteSpace(info.LayoutStyle);
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info.ContextCell.SetBounds(rCellBounds);
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// Set position of the check box
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if (info.ContextCell.CheckBoxVisible && rCellBounds.Width >= this.CheckBoxSize.Width)
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{
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eVerticalAlign va = GetCheckBoxVerticalAlign(info.ContextCell.CheckBoxAlignment, info.View);
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eHorizontalAlign ha = GetCheckBoxHorizontalAlign(info.ContextCell.CheckBoxAlignment, info.LeftToRight, info.View);
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if (ha == eHorizontalAlign.Center && (!string.IsNullOrEmpty(info.ContextCell.Text) || !largestImageSize.IsEmpty))
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ha = eHorizontalAlign.Left;
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if (info.VerticalPartAlignment)
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info.ContextCell.SetCheckBoxBounds(AlignContentVertical(this.CheckBoxSize, ref r, ha, va, this.ImageTextSpacing));
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else
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info.ContextCell.SetCheckBoxBounds(AlignContent(this.CheckBoxSize, ref r, ha, va, this.ImageTextSpacing));
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}
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else
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info.ContextCell.SetCheckBoxBounds(Rectangle.Empty);
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// Set Position of the image
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if (!largestImageSize.IsEmpty && rCellBounds.Width >= largestImageSize.Width)
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{
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eVerticalAlign va = GetVerticalAlign(info.ContextCell.ImageAlignment, info.View);
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eHorizontalAlign ha = GetHorizontalAlign(info.ContextCell.ImageAlignment, info.LeftToRight, info.View);
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if (ha == eHorizontalAlign.Center && (!string.IsNullOrEmpty(info.ContextCell.Text) || info.ContextCell.CheckBoxVisible))
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ha = eHorizontalAlign.Left;
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if (info.VerticalPartAlignment)
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info.ContextCell.SetImageBounds(AlignContentVertical(largestImageSize, ref r, ha, va, this.ImageTextSpacing));
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else
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info.ContextCell.SetImageBounds(AlignContent(largestImageSize, ref r, ha, va, this.ImageTextSpacing));
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}
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else
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info.ContextCell.SetImageBounds(Rectangle.Empty);
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// Set position of the text
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//info.ContextCell.SetTextBounds(Rectangle.Empty);
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if (!textSize.IsEmpty)
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{
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if (info.CellWidth > 0)
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r.Width -= 2;
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if (info.View == eView.Tile && info.CellIndex == 0)
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info.ContextCell.TextContentBounds = new Rectangle(r.X, r.Y, textSize.Width, textSize.Height + 1);
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else
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info.ContextCell.TextContentBounds = r;
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}
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else
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info.ContextCell.TextContentBounds = Rectangle.Empty;
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}
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}
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}
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