/// <summary>
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnPaint(object sender, PaintEventArgs e)
{
e.Graphics.FillRectangle(SystemBrushes.Window, 0, 0, Size.Width - 1, Size.Height - 1);
ControlPaint.DrawBorder(e.Graphics, new Rectangle(0, 0, Size.Width, Size.Height), SystemColors.ControlLight, ButtonBorderStyle.Solid);
// e.Graphics.DrawRectangle(SystemPens.ControlLight, 0, 0, Size.Width - 1, Size.Height - 1);
if (State == null)
{
return;
}
ManifestDownloadState Downloader = Program.ManifestDownloadManager.GetDownload(State.ActiveManifestId);
if (Downloader == null)
{
return;
}
if (Downloader.Manifest == null)
{
return;
}
int OuterPadding = 5;
int CellSize = 7;
int CellPadding = 3;
int CellOveralSize = CellSize + CellPadding;
int Rows = (int)Math.Floor((Size.Height - CellPadding * 2 - OuterPadding * 2) / (float)CellOveralSize);
int Columns = (int)Math.Floor((Size.Width - CellPadding * 2 - OuterPadding * 2 - LegendWidth) / (float)CellOveralSize);
int MaxCells = Rows * Columns;
int CellCount = (int)Downloader.Manifest.BlockCount;
int CellDivision = 1;
while (CellCount > MaxCells)
{
CellDivision++;
CellCount = ((int)Downloader.Manifest.BlockCount + (CellDivision - 1)) / CellDivision;
}
// Calculate states.
Array.Resize(ref CellStates, CellCount);
for (int Cell = 0; Cell < CellCount; Cell++)
{
CellStates[Cell] = CellState.NotDownloaded;
int StartBlock = Cell * CellDivision;
int EndBlock = StartBlock + (CellDivision - 1);
// Has already been downloaded?
for (int Block = StartBlock; Block <= EndBlock; Block++)
{
if (Downloader.BlockStates.Get(Block))
{
CellStates[Cell] = CellState.Downloaded;
}
}
}
// Is in download queue.
for (int i = 0; i < Program.ManifestDownloadManager.DownloadQueue.Count; i++)
{
ManifestPendingDownloadBlock Item = Program.ManifestDownloadManager.DownloadQueue[i];
if (Item.ManifestId == State.ActiveManifestId)
{
int CellIndex = Item.BlockIndex / CellDivision;
if (CellIndex < CellStates.Length)
{
CellStates[CellIndex] = CellState.Downloading;
}
}
}
// Grab most recent downloads.
lock (Program.ManifestDownloadManager.RecentBlockChanges)
{
for (int i = 0; i < Program.ManifestDownloadManager.RecentBlockChanges.Count; i++)
{
ManifestRecentBlockChange Item = Program.ManifestDownloadManager.RecentBlockChanges[i];
if (Item.ManifestId == State.ActiveManifestId)
{
int CellIndex = Item.BlockIndex / CellDivision;
if (CellIndex < CellStates.Length)
{
if (Item.Type == ManifestBlockChangeType.Upload)
{
CellStates[CellIndex] = CellState.Uploading;
}
else if (Item.Type == ManifestBlockChangeType.Validate)
{
CellStates[CellIndex] = CellState.Validating;
}
}
}
}
}
for (int Cell = 0; Cell < CellCount; Cell++)
{
int RowIndex = Cell / Columns;
int ColumnIndex = Cell % Columns;
int CellX = ColumnIndex * CellOveralSize + CellPadding + OuterPadding;
int CellY = RowIndex * CellOveralSize + CellPadding + OuterPadding;
CellState State = CellStates[Cell];
Brush FillBrush = CellStateBrushes[(int)State];
e.Graphics.FillRectangle(FillBrush, CellX, CellY, CellSize, CellSize);
e.Graphics.DrawRectangle(SystemPens.ActiveBorder, CellX, CellY, CellSize, CellSize);
}
// Draw the legend.
int LegendX = Size.Width - LegendWidth - OuterPadding;
int LegendY = OuterPadding + 5;
//e.Graphics.DrawString("Legend", SystemFonts.DefaultFont, Brushes.Black, LegendX, LegendY);
//LegendY += 20;
for (int i = 0; i < (int)CellState.Max; i++)
{
Brush FillBrush = CellStateBrushes[i];
e.Graphics.FillRectangle(FillBrush, LegendX, LegendY, CellSize, CellSize);
e.Graphics.DrawRectangle(SystemPens.ActiveBorder, LegendX, LegendY, CellSize, CellSize);
e.Graphics.DrawString(CellStateNames[i], SystemFonts.DefaultFont, Brushes.Black, LegendX + CellSize + CellPadding, LegendY - 3);
LegendY += 16;
}
}
/// <summary>
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnPaint(object sender, PaintEventArgs e)
{
if (!Active)
{
return;
}
if (UseOuterBorder)
{
e.Graphics.FillRectangle(SystemBrushes.Window, 0, 0, Size.Width - 1, Size.Height - 1);
ControlPaint.DrawBorder(e.Graphics, new Rectangle(0, 0, Size.Width, Size.Height), SystemColors.ControlLight, ButtonBorderStyle.Solid);
}
long BlockCount = 0;
SparseStateArray StateArray = null;
if (State != null)
{
ManifestDownloadState Downloader = Program.ManifestDownloadManager.GetDownload(State.ActiveManifestId);
if (Downloader == null)
{
return;
}
if (Downloader.Manifest == null)
{
return;
}
BlockCount = Downloader.Manifest.BlockCount;
StateArray = Downloader.BlockStates;
}
else if (ManifestBlockState != null)
{
StateArray = ManifestBlockState.BlockState;
BlockCount = StateArray.Size;
}
if (StateArray == null)
{
return;
}
int OuterPadding = UseOuterBorder ? 8 : 0;
int BarX = OuterPadding;
int BarY = OuterPadding;
int BarWidth = Size.Width - (OuterPadding * 2);
int BarHeight = Size.Height - (OuterPadding * 2);
int MaxCells = BarWidth / 4;
int CellCount = (int)BlockCount;
int CellDivision = 1;
while (CellCount > MaxCells)
{
CellDivision++;
CellCount = ((int)BlockCount + (CellDivision - 1)) / CellDivision;
}
// Calculate states.
Array.Resize(ref CellStates, CellCount);
for (int Cell = 0; Cell < CellCount; Cell++)
{
CellStates[Cell] = CellState.NotDownloaded;
}
if (StateArray.Ranges != null)
{
foreach (SparseStateArray.Range Range in StateArray.Ranges)
{
if (Range.State)
{
for (int i = Range.Start; i <= Range.End; i++)
{
CellStates[i / CellDivision] = CellState.Downloaded;
}
}
}
}
if (ApplyLocalStates)
{
// Is in download queue.
for (int i = 0; i < Program.ManifestDownloadManager.DownloadQueue.Count; i++)
{
ManifestPendingDownloadBlock Item = Program.ManifestDownloadManager.DownloadQueue[i];
if (Item.ManifestId == State.ActiveManifestId)
{
int CellIndex = Item.BlockIndex / CellDivision;
if (CellIndex < CellStates.Length)
{
CellStates[CellIndex] = CellState.Downloading;
}
}
}
// Grab most recent downloads.
lock (Program.ManifestDownloadManager.RecentBlockChanges)
{
for (int i = 0; i < Program.ManifestDownloadManager.RecentBlockChanges.Count; i++)
{
ManifestRecentBlockChange Item = Program.ManifestDownloadManager.RecentBlockChanges[i];
if (Item.ManifestId == State.ActiveManifestId)
{
int CellIndex = Item.BlockIndex / CellDivision;
if (CellIndex < CellStates.Length)
{
if (Item.Type == ManifestBlockChangeType.Upload)
{
CellStates[CellIndex] = CellState.Uploading;
}
else if (Item.Type == ManifestBlockChangeType.Validate)
{
CellStates[CellIndex] = CellState.Validating;
}
}
}
}
}
}
float Spacing = BarWidth / (float)CellCount;
for (int Cell = 0; Cell < CellCount; Cell++)
{
float CellX = BarX + (Cell * Spacing);
float CellY = BarY;
CellState State = CellStates[Cell];
Brush FillBrush = CellStateBrushes[(int)State];
e.Graphics.FillRectangle(FillBrush, CellX, CellY, Spacing, BarHeight);
}
ControlPaint.DrawBorder(e.Graphics, new Rectangle(BarX, BarY, BarWidth, BarHeight), SystemColors.ActiveBorder, ButtonBorderStyle.Solid);
}