public void Plot(DiskItem diskItem, RectangleF workArea, int maxDepth)
{
this.maxDepth = maxDepth;
Key = diskItem.FullPath;
Rectangle = workArea;
TreeeNodeSize = diskItem.Size;
DiskItem = diskItem;
DisplayName = this.DiskItem.Name;
if (diskItem.Files == 0)
{
return;
}
if (workArea.Height <= maxHeight && workArea.Width <= maxWidth)
{
return;
}
Reset(workArea);
if (workArea.Height <= maxHeight && workArea.Width <= maxWidth)
{
return;
}
Squarify(PrepareTreeMapItems(diskItem.Children), new List <TreeMapItem>(), GetWidth());
}
public void RePlot(DiskItem disk)
{
if (disk.Type == DiskItem.NodeType.Disk)
{
this.disk = (DiskItem)disk;
}
currentObject = disk;
RePlot();
}
private TreeMapItem PrepareTreeMapItems(List <DiskItem> values)
{
TreeMapItem TreeMapItems = new TreeMapItem();
try
{
values.Sort(delegate(DiskItem x, DiskItem y) { return(y.Size.CompareTo(x.Size)); });
}
catch
{
return(TreeMapItems);
}
totalArea = workAreaWidth * workAreaHeight;
float sumOfValues = this.TreeeNodeSize;
for (int i = 0; i < values.Count; i++)
{
DiskItem diskItem = values[i];
double percentage = (diskItem.Size / sumOfValues) * 100;
float area = (float)((totalArea / 100) * percentage);
if (area > 0)
{
TreeMapItem tm = new TreeMapItem();
tm.Key = diskItem.FullPath;
tm.Area = area;
tm.Percentage = percentage;
tm.DiskItem = diskItem;
tm.TreeeNodeSize = diskItem.Size;
tm.Key = diskItem.FullPath;
tm.DisplayName = diskItem.Name;
TreeMapItems.Area += area;
TreeMapItems.Add(tm);
}
}
return(TreeMapItems);
}
void DrawFolder(Graphics offScreenDC, RectangleF rect, string text, bool highlight, DiskItem fileObject)
{
//if (fileObject.Depth > detailLevel) return;
float x = rect.X;
float y = rect.Y;
float width = rect.Width;
float height = rect.Height;
Color color = Color.Orange;
//if (fileObject.IsHidden || fileObject.IsSystem) color = ControlPaint.Dark(color);
using (Brush folderBrush = new SolidBrush(highlight ? fileObject.Parent == null ? color : ControlPaint.LightLight(color) : color))
{
stringFormat.Alignment = StringAlignment.Center;
stringFormat.LineAlignment = StringAlignment.Near;
stringFormat.Trimming = StringTrimming.Character;
stringFormat.FormatFlags = StringFormatFlags.NoWrap;
using (Pen folderPen = new Pen(folderBrush))
{
if (height > 15)
{
offScreenDC.FillRectangle(folderBrush, x, y, width, 15);
}
else
{
offScreenDC.FillRectangle(folderBrush, x, y, width, height);
}
using (Pen pen = new Pen(highlight ? Color.White : Color.Black))
{
if (height >= 15)
{
offScreenDC.DrawRectangle(pen, rect.X, rect.Y, rect.Width, 15);
}
offScreenDC.DrawRectangle(pen, rect.X, rect.Y, rect.Width, rect.Height);
//g.DrawRectangle(folderPen, x + 1, y + 1, width - 2, height - 2);
float h = 13;
if (height < 13)
{
h = height;
}
WriteCaption(offScreenDC, text + " " + FormatSize(fileObject.Size), new RectangleF(x + 2, y, width, h), GetContrast(color), highlight, 7f);
}
}
}
}
void DrawFile(Graphics offScreenDC, RectangleF rect, string text, bool highlight, DiskItem fileObject)
{
//if (fileObject.Depth > detailLevel) return;
float x = rect.X;
float y = rect.Y;
float width = rect.Width;
float height = rect.Height;
stringFormat.Alignment = StringAlignment.Center;
stringFormat.LineAlignment = StringAlignment.Center;
stringFormat.Trimming = StringTrimming.Character;
stringFormat.FormatFlags = StringFormatFlags.NoWrap;
Color color = GetFileTypeColor(fileObject.Name);
contrast = ControlPaint.Light(color);
Color bright = ControlPaint.LightLight(Color.WhiteSmoke);
Color dull = ControlPaint.Light(bright);
//if (fileObject.IsHidden && fileObject.IsSystem)
color = ControlPaint.Dark(color);
//else
// if (fileObject.IsHidden)
// color = ControlPaint.Dark(color);
//else
// if (fileObject.IsSystem)
// color = ControlPaint.Dark(color);
if (rect.Height >= 2 && rect.Width >= 2)
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddRectangle(rect);
using (PathGradientBrush fileBrush = new PathGradientBrush(path))
{
Color[] colors = { highlight?contrast : color };
fileBrush.SurroundColors = colors;
fileBrush.CenterColor = dull;// highlight ? bright : dull;
offScreenDC.FillPath(fileBrush, path);
}
}
}
else
{
if (rect.Height > 0 && rect.Width > 0)
{
using (Brush fileBrush = new SolidBrush(highlight ? contrast : color))
offScreenDC.FillRectangle(fileBrush, rect.X, rect.Y, rect.Width, rect.Height);
}
}
WriteCaption(offScreenDC, text + Environment.NewLine + FormatSize(fileObject.Size), new RectangleF(x + 2, y, width, height - 2), GetContrast(color), highlight, 7f);
using (Pen pen = new Pen(highlight ? dull : Color.Gray))
offScreenDC.DrawRectangle(pen, rect.X, rect.Y, rect.Width, rect.Height);
}
public void Plot(DiskItem diskItem, RectangleF workArea)
{
depth = 0;
Plot(diskItem, workArea, 0);
}
void RecurseDirectory(string directory, DiskItem parent)
{
IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
NativeMethods.WIN32_FIND_DATA findData;
IntPtr findHandle;
if (Cancel)
{
return;
}
// please note that the following line won't work if you try this on a network folder, like \\Machine\C$
// simply remove the \\?\ part in this case or use \\?\UNC\ prefix
string slash = directory.EndsWith(@"\") ? "" : @"\";
string folder = directory + (slash);
try
{
findHandle = NativeMethods.FindFirstFile(folder + @"*.*", out findData);
int s = Marshal.GetLastWin32Error();
if (findHandle != INVALID_HANDLE_VALUE)
{
do
{
if (Cancel)
{
return;
}
if ((findData.dwFileAttributes & (int)FileAttributes.Directory) != 0)
{
if (findData.cFileName == ".")
{
continue;
}
if (findData.cFileName == "..")
{
continue;
}
{
if (((findData.dwFileAttributes & (int)FileAttributes.System) == 0) && ((findData.dwFileAttributes & (int)FileAttributes.Hidden) == 0))
{
string subdirectory = directory + (directory.EndsWith(@"\") ? "" : @"\") + findData.cFileName;
DiskItem di = new DiskItem(parent, findData.cFileName);
RecurseDirectory(subdirectory, parent.Add(di));
float percent = (float)FileSize / (float)TotalSize * 100f;
if (lastPCT != (int)percent)
{
OnProgress(percent, item);
}
lastPCT = (int)percent;
}
}
}
else
{
if (((findData.dwFileAttributes & (int)FileAttributes.System) == 0) && ((findData.dwFileAttributes & (int)FileAttributes.Hidden) == 0))
{
long size = (findData.nFileSizeLow | (findData.nFileSizeHigh << 8));
FileSize += size;
CurrentSize++;
parent.Add(new DiskItem(parent, findData.cFileName, size));
}
}
}while (NativeMethods.FindNextFile(findHandle, out findData));
NativeMethods.FindClose(findHandle);
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
