/// <summary>Draw grid lines in client area.</summary>
/// <param name="rowsDC">Graphics dc.</param>
/// <param name="vPanelScrollBar">The v Panel Scroll Bar.</param>
/// <param name="hPanelScrollBar">The h Panel Scroll Bar.</param>
/// <param name="listView">The list View.</param>
public static void DrawGridLines(Graphics rowsDC, ManagedVScrollBar vPanelScrollBar, ManagedHScrollBar hPanelScrollBar, VisualListView listView)
{
ConsoleEx.WriteDebug("ListViewRenderer::DrawGridLines");
int _yCursor = listView.RowsInnerClientRect.Y;
using (Pen _gridPen = new Pen(listView.GridColor))
{
// Determine the grid line style.
if (listView.GridLineStyle == GridLineStyle.Dashed)
{
_gridPen.DashStyle = DashStyle.Dash;
}
else if (listView.GridLineStyle == GridLineStyle.Solid)
{
_gridPen.DashStyle = DashStyle.Solid;
}
else
{
_gridPen.DashStyle = DashStyle.Solid;
}
// Draw horizontal grid lines.
if ((listView.GridLines == GridLines.Both) || (listView.GridLines == GridLines.Horizontal))
{
int _rowsToDraw = listView.RowsVisible + 1;
if (listView.GridTypes == GridTypes.Exists)
{
if (listView.RowsVisible > listView.Count)
{
_rowsToDraw = listView.Count;
}
}
for (var _item = 0; _item < _rowsToDraw; _item++)
{
_yCursor += listView.ItemHeight;
// Draw horizontal line.
rowsDC.DrawLine(_gridPen, 0, _yCursor, listView.RowsInnerClientRect.Width, _yCursor);
}
}
// Draw vertical grid lines.
if ((listView.GridLines == GridLines.Both) || (listView.GridLines == GridLines.Vertical))
{
int _xCursor = -hPanelScrollBar.Value;
for (var column = 0; column < listView.Columns.Count; column++)
{
_xCursor += listView.Columns[column].Width;
// Draw vertical line.
rowsDC.DrawLine(_gridPen, _xCursor + 1, listView.RowsInnerClientRect.Y, _xCursor + 1, listView.RowsInnerClientRect.Bottom); // draw vertical line
}
}
}
}
/// <summary>Draw grid lines in client area.</summary>
/// <param name="rowsDC">Graphics dc.</param>
/// <param name="vPanelScrollBar">The v Panel Scroll Bar.</param>
/// <param name="hPanelScrollBar">The h Panel Scroll Bar.</param>
/// <param name="listView">The list View.</param>
public static void DrawGridLines(Graphics rowsDC, ManagedVScrollBar vPanelScrollBar, ManagedHScrollBar hPanelScrollBar, VisualListViewEx listView)
{
DebugTraceManager.WriteDebug("ListViewRenderer::DrawGridLines", DebugTraceManager.DebugOutput.TraceListener);
// int _startItem = vPanelScrollBar.Value;
// int _yCursor = rect.Y;
int _yCursor = listView.RowsInnerClientRect.Y;
using (Pen _gridPen = new Pen(listView.GridColor))
{
if (listView.GridLineStyle == GridLineStyle.Dashed)
{
_gridPen.DashStyle = DashStyle.Dash;
}
else if (listView.GridLineStyle == GridLineStyle.Solid)
{
_gridPen.DashStyle = DashStyle.Solid;
}
else
{
_gridPen.DashStyle = DashStyle.Solid;
}
if ((listView.GridLines == GridLines.Both) || (listView.GridLines == GridLines.Horizontal))
{
int _rowsToDraw = listView.VisibleRowsCount + 1;
if (listView.GridTypes == GridTypes.Exists)
{
if (listView.VisibleRowsCount > listView.Count)
{
_rowsToDraw = listView.Count;
}
}
for (var _item = 0; _item < _rowsToDraw; _item++)
{
_yCursor += listView.ItemHeight;
// draw horizontal line
rowsDC.DrawLine(_gridPen, 0, _yCursor, listView.RowsInnerClientRect.Width, _yCursor);
}
}
if ((listView.GridLines == GridLines.Both) || (listView.GridLines == GridLines.Vertical))
{
int _xCursor = -hPanelScrollBar.Value;
for (var column = 0; column < listView.Columns.Count; column++)
{
_xCursor += listView.Columns[column].Width;
rowsDC.DrawLine(_gridPen, _xCursor + 1, listView.RowsInnerClientRect.Y, _xCursor + 1, listView.RowsInnerClientRect.Bottom); // draw vertical line
}
}
}
}
/// <summary>Draw client rows of list control.</summary>
/// <param name="graphicsRows">The graphics row.</param>
/// <param name="listView">The list View.</param>
/// <param name="backColor">The back Color.</param>
/// <param name="vPanelScrollBar">The v Panel Scroll Bar.</param>
/// <param name="hPanelScrollBar">The h Panel Scroll Bar.</param>
/// <param name="_newLiveControls">The new Live Controls.</param>
/// <param name="_liveControls">The live Controls.</param>
/// <param name="checkBoxSize">The check Box Size.</param>
public static void DrawRows(Graphics graphicsRows, VisualListView listView, Color backColor, ManagedVScrollBar vPanelScrollBar, ManagedHScrollBar hPanelScrollBar, ArrayList _newLiveControls, ArrayList _liveControls, int checkBoxSize)
{
ConsoleEx.WriteDebug("ListViewRenderer::DrawRows");
using (SolidBrush _clientRowsViewBrush = new SolidBrush(backColor))
{
graphicsRows.FillRectangle(_clientRowsViewBrush, listView.RowsClientRectangle);
}
// Draw background image.
if (listView.BackgroundImage != null)
{
if (listView.BackgroundStretchToFit)
{
graphicsRows.DrawImage(listView.BackgroundImage, listView.RowsInnerClientRect.X, listView.RowsInnerClientRect.Y, listView.RowsInnerClientRect.Width, listView.RowsInnerClientRect.Height);
}
else
{
graphicsRows.DrawImage(listView.BackgroundImage, listView.RowsInnerClientRect.X, listView.RowsInnerClientRect.Y);
}
}
// Determine start item based on whether or not we have a vertical scrollbar present. Which item to start with in this visible view.
int _startItem;
if (vPanelScrollBar.Visible)
{
_startItem = vPanelScrollBar.Value;
}
else
{
_startItem = 0;
}
Rectangle _rectangleRow = listView.RowsRectangle;
_rectangleRow.Height = listView.ItemHeight;
// Draw rows.
for (var item = 0; (item < listView.RowsVisible + 1) && (item + _startItem < listView.Items.Count); item++)
{
DrawRow(graphicsRows, _rectangleRow, listView.Items[item + _startItem], item + _startItem, listView, hPanelScrollBar, _newLiveControls, _liveControls, checkBoxSize);
_rectangleRow.Y += listView.ItemHeight;
}
if (listView.GridLineStyle != GridLineStyle.None)
{
// TODO: DrawGridLines also vertical when sub-items exist.
DrawGridLines(graphicsRows, vPanelScrollBar, hPanelScrollBar, listView);
}
// Draw hot tracking column overlay.
if (listView.HoverColumnTracking && (listView.HoverColumnIndex != -1) && (listView.HoverColumnIndex < listView.Columns.Count))
{
int _xCursor = -hPanelScrollBar.Value;
for (var _columnIndex = 0; _columnIndex < listView.HoverColumnIndex; _columnIndex++)
{
_xCursor += listView.Columns[_columnIndex].Width;
}
using (Brush hotBrush = new SolidBrush(Color.FromArgb(75, listView.HoverTrackingColor.R, listView.HoverTrackingColor.G, listView.HoverTrackingColor.B)))
{
graphicsRows.FillRectangle(hotBrush, _xCursor, listView.RowsInnerClientRect.Y, listView.Columns[listView.HoverColumnIndex].Width + 1, listView.RowsInnerClientRect.Height - 1);
}
}
}
/// <summary>Draw client rows of list control.</summary>
/// <param name="graphicsRows">The graphics row.</param>
/// <param name="listView">The list View.</param>
/// <param name="vPanelScrollBar">The v Panel Scroll Bar.</param>
/// <param name="hPanelScrollBar">The h Panel Scroll Bar.</param>
/// <param name="_newLiveControls">The new Live Controls.</param>
/// <param name="_liveControls">The live Controls.</param>
/// <param name="checkBoxSize">The check Box Size.</param>
public static void DrawRows(Graphics graphicsRows, VisualListViewEx listView, ManagedVScrollBar vPanelScrollBar, ManagedHScrollBar hPanelScrollBar, ArrayList _newLiveControls, ArrayList _liveControls, int checkBoxSize)
{
DebugTraceManager.WriteDebug("ListViewRenderer::DrawRows", DebugTraceManager.DebugOutput.TraceListener);
SolidBrush brush = new SolidBrush(listView.BackColor);
graphicsRows.FillRectangle(brush, listView.RowsClientRect);
brush.Dispose();
// if they have a background image, then display it
if (listView.BackgroundImage != null)
{
if (listView.BackgroundStretchToFit)
{
graphicsRows.DrawImage(listView.BackgroundImage, listView.RowsInnerClientRect.X, listView.RowsInnerClientRect.Y, listView.RowsInnerClientRect.Width, listView.RowsInnerClientRect.Height);
}
else
{
graphicsRows.DrawImage(listView.BackgroundImage, listView.RowsInnerClientRect.X, listView.RowsInnerClientRect.Y);
}
}
// determine start item based on whether or not we have a vertical scrollbar present
int nStartItem; // which item to start with in this visible pane
if (vPanelScrollBar.Visible)
{
nStartItem = vPanelScrollBar.Value;
}
else
{
nStartItem = 0;
}
Rectangle rectRow = listView.RowsRect;
rectRow.Height = listView.ItemHeight;
/* Draw Rows */
for (var item = 0; (item < listView.VisibleRowsCount + 1) && (item + nStartItem < listView.Items.Count); item++)
{
DrawRow(graphicsRows, rectRow, listView.Items[item + nStartItem], item + nStartItem, listView, hPanelScrollBar, _newLiveControls, _liveControls, checkBoxSize);
rectRow.Y += listView.ItemHeight;
}
if (listView.GridLineStyle != GridLineStyle.None)
{
DrawGridLines(graphicsRows, vPanelScrollBar, hPanelScrollBar, listView);
}
// draw hot tracking column overlay
if (listView.HotColumnTracking && (listView.HotColumnIndex != -1) && (listView.HotColumnIndex < listView.Columns.Count))
{
int nXCursor = -hPanelScrollBar.Value;
for (int nColumnIndex = 0; nColumnIndex < listView.HotColumnIndex; nColumnIndex++)
{
nXCursor += listView.Columns[nColumnIndex].Width;
}
using (Brush hotBrush = new SolidBrush(Color.FromArgb(75, listView.HotTrackingColor.R, listView.HotTrackingColor.G, listView.HotTrackingColor.B)))
{
graphicsRows.FillRectangle(hotBrush, nXCursor, listView.RowsInnerClientRect.Y, listView.Columns[listView.HotColumnIndex].Width + 1, listView.RowsInnerClientRect.Height - 1);
}
}
}
