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Text is drawn by System.Drawing. git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@6395 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61pull/1/head
Tomáš Linhart
15 years ago
4 changed files with 113 additions and 98 deletions
@ -1,110 +1,124 @@
@@ -1,110 +1,124 @@
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using System; |
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using System.Collections.Generic; |
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using System.Drawing.Drawing2D; |
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using System.Globalization; |
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using System.Linq; |
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using System.Text; |
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using System.Windows.Forms; |
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using System.Drawing; |
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using ICSharpCode.SharpDevelop.Gui.ClassBrowser; |
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using System.Windows; |
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using System.Windows.Media; |
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using System.Windows.Media.Imaging; |
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using System.Windows.Threading; |
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namespace ICSharpCode.CodeQualityAnalysis.Controls |
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{ |
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public class MatrixControl<TValue> : DataGridView |
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public class MatrixControl<TValue> : FrameworkElement // TODO: Virtualization
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{ |
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Matrix<TValue> matrix; |
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object [,] cache; |
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Dictionary<string, ImageSource> imgs = new Dictionary<string, ImageSource>(); |
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Point currentPoint = new Point(-1, -1); |
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string font; |
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public Matrix<TValue> Matrix |
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{ |
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get |
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{ |
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return matrix; |
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} |
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set |
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{ |
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Rows.Clear(); |
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Columns.Clear(); |
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cache = new object[value.HeaderRows.Count, value.HeaderColumns.Count]; |
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matrix = value; |
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} |
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} |
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// will be loaded from Matrix
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int cellsVertically = 25; |
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int cellsHorizontally = 25; |
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public Matrix<TValue> Matrix { get; set; } |
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public int CellHeight { get; set; } |
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public int CellWidth { get; set; } |
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public MatrixControl() |
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{ |
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BackgroundColor = Color.White; |
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BorderStyle = BorderStyle.None; |
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AllowUserToAddRows = false; |
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AllowUserToDeleteRows = false; |
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AllowUserToResizeRows = false; |
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AllowUserToResizeColumns = false; |
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AllowUserToOrderColumns = false; |
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AllowDrop = false; |
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EnableHeadersVisualStyles = false; |
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EditMode = DataGridViewEditMode.EditProgrammatically; |
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AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.DisplayedCells; |
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AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.DisplayedCells; |
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CellBorderStyle = DataGridViewCellBorderStyle.None; |
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ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize; |
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RowHeadersWidthSizeMode = DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders; |
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ColumnHeadersDefaultCellStyle.BackColor = Color.White; |
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RowHeadersDefaultCellStyle.BackColor = Color.White; |
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RowHeadersBorderStyle = DataGridViewHeaderBorderStyle.None; |
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ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.None; |
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// disable selection
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DefaultCellStyle.SelectionForeColor = Color.Black; |
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DefaultCellStyle.SelectionBackColor = Color.White; |
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ColumnHeadersDefaultCellStyle.SelectionForeColor = Color.Black; |
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ColumnHeadersDefaultCellStyle.SelectionBackColor = Color.White; |
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CellHeight = CellWidth = 36; |
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font = "Verdana"; |
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} |
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protected override void OnMouseMove(System.Windows.Input.MouseEventArgs e) |
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{ |
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base.OnMouseMove(e); |
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RowHeadersDefaultCellStyle.SelectionForeColor = Color.Black; |
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RowHeadersDefaultCellStyle.SelectionBackColor = Color.White; |
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var point = e.GetPosition(this); |
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if (point.X < cellsHorizontally * CellWidth && point.Y < cellsVertically * CellHeight) |
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currentPoint = point; |
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else |
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currentPoint = new Point(-1, -1); |
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SelectionMode = DataGridViewSelectionMode.CellSelect; |
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InvalidateVisual(); |
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} |
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protected override void OnRender(DrawingContext drawingContext) |
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{ |
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base.OnRender(drawingContext); |
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// background
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var background = new Rect(0, 0, cellsHorizontally * CellWidth, cellsVertically * CellHeight); |
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var backgroundColor = new SolidColorBrush(Colors.Yellow); |
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drawingContext.DrawRectangle(backgroundColor, null, background); |
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// hover cell
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if (currentPoint.X > 0 || currentPoint.Y > 0) { |
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var rect = new Rect(currentPoint.X - currentPoint.X % CellWidth, currentPoint.Y - currentPoint.Y % CellHeight, CellWidth, CellHeight); |
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var brush = new SolidColorBrush(Colors.Red); |
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drawingContext.DrawRectangle(brush, null, rect); |
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} |
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ReadOnly = true; |
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VirtualMode = true; |
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EditMode = DataGridViewEditMode.EditProgrammatically; |
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} |
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// grid
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var pen = new Pen(Brushes.Black, 1); |
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public void DrawMatrix() |
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{ |
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DrawHeaders(); |
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} |
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for (int i = 0; i <= cellsHorizontally; i++) { |
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drawingContext.DrawLine(pen, |
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new Point(i * CellWidth, 0), |
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new Point(i * CellWidth, |
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cellsHorizontally * CellWidth)); |
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} |
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protected void DrawHeaders() |
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{ |
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foreach (var headerColumn in Matrix.HeaderColumns) { |
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var column = new DataGridViewTextBoxColumn(); |
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column.HeaderText = headerColumn.Value.ToString(); |
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this.Columns.Add(column); |
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for (int i = 0; i <= cellsVertically; i++) { |
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drawingContext.DrawLine(pen, |
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new Point(0, i * CellHeight), |
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new Point(cellsVertically * CellHeight, |
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i * CellHeight)); |
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} |
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foreach (var headerRow in Matrix.HeaderRows) { |
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var row = new DataGridViewRow(); |
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row.HeaderCell.Value = headerRow.Value.ToString(); |
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this.Rows.Add(row); |
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//if (!row.Displayed) // crashes sharpdevelop debugger
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// break;
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// text
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for (int i = 0; i < cellsHorizontally; i++) { |
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for (int j = 0; j < cellsVertically; j++) { |
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drawingContext.DrawImage(CreateText(i * j), new Rect(i * CellWidth, j * CellHeight, CellWidth, CellHeight)); |
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} |
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} |
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} |
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protected override void OnCellValueNeeded(DataGridViewCellValueEventArgs e) |
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public ImageSource CreateText(int number) |
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{ |
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if (cache[e.RowIndex, e.ColumnIndex] != null) |
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e.Value = cache[e.RowIndex, e.ColumnIndex]; |
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if (e.RowIndex < Matrix.HeaderRows.Count && e.ColumnIndex < Matrix.HeaderColumns.Count) { |
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e.Value = Matrix.EvaluateCell(Matrix.HeaderRows[e.RowIndex], Matrix.HeaderColumns[e.ColumnIndex]); |
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} |
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return CreateText(number.ToString()); |
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} |
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public ImageSource CreateText(string text) |
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{ |
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if (imgs.ContainsKey(text)) |
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return imgs[text]; |
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var bmp = new System.Drawing.Bitmap(CellWidth, CellHeight); |
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var g = System.Drawing.Graphics.FromImage(bmp); |
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g.SmoothingMode = SmoothingMode.AntiAlias; |
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g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias; |
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var fontOjb = new System.Drawing.Font(font, 12); |
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var size = g.MeasureString(text, fontOjb); |
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float spanWidth = CellWidth / 2 - size.Width / 2; |
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float spanHeight = CellHeight / 2 - size.Height / 2; |
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g.DrawString(text, fontOjb, System.Drawing.Brushes.Black, new System.Drawing.PointF(spanWidth, spanHeight)); |
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g.Dispose(); |
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var img = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(bmp.GetHbitmap(), |
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IntPtr.Zero, |
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System.Windows.Int32Rect.Empty, |
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BitmapSizeOptions.FromWidthAndHeight(bmp.Width, bmp.Height)); |
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imgs.Add(text, img); |
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return img; |
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} |
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} |
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} |
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