将温差图例表中颜色列的按钮改为显示颜色块

Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs

@@ -85,6 +85,9 @@ namespace JoyD.Windows.CS
         /// <summary>
         /// 鼠标按下事件 - 处理右击退出绘制状态、左击开始绘制矩形和开始调整区域大小
         /// </summary>
+        // 存储温差值和对应颜色的数据结构
+        private List<Dictionary<string, object>> tempDiffData = new List<Dictionary<string, object>>();
+
         private void InitializeTempDiffDataGridView()
         {
             // 设置整个DataGridView为只读
@@ -104,13 +107,13 @@ namespace JoyD.Windows.CS
             };
             
             // 添加列：颜色
-            DataGridViewButtonColumn columnColor = new DataGridViewButtonColumn
+            DataGridViewTextBoxColumn columnColor = new DataGridViewTextBoxColumn
             {
                 Name = "colorColumn",
                 HeaderText = "颜色",
                 Width = 80,
-                Text = "选择",
-                UseColumnTextForButtonValue = true
+                ReadOnly = true,
+                CellTemplate = new DataGridViewTextBoxCell()
             };
             
             // 添加列到DataGridView
@@ -118,8 +121,10 @@ namespace JoyD.Windows.CS
             dataGridViewTempDiff.Columns.Add(columnTempDiff);
             dataGridViewTempDiff.Columns.Add(columnColor);
             
-            // 添加按钮点击事件
-            dataGridViewTempDiff.CellContentClick += new DataGridViewCellEventHandler(DataGridViewTempDiff_CellContentClick);
+            // 添加单元格绘制事件用于显示颜色块
+            dataGridViewTempDiff.CellPainting += new DataGridViewCellPaintingEventHandler(DataGridViewTempDiff_CellPainting);
+            // 添加点击事件用于选择颜色
+            dataGridViewTempDiff.CellClick += new DataGridViewCellEventHandler(DataGridViewTempDiff_CellClick);
             
             // 添加一些示例数据
             AddSampleTempDiffData();
@@ -127,25 +132,88 @@ namespace JoyD.Windows.CS
         
         private void AddSampleTempDiffData()
         {
-            // 添加示例行
-            dataGridViewTempDiff.Rows.Add("10°C", "选择");
-            dataGridViewTempDiff.Rows.Add("20°C", "选择");
-            dataGridViewTempDiff.Rows.Add("30°C", "选择");
+            // 清除现有数据
+            tempDiffData.Clear();
+            dataGridViewTempDiff.Rows.Clear();
+            
+            // 添加示例数据并设置默认颜色
+            AddTempDiffRow("10°C", Color.Blue);
+            AddTempDiffRow("20°C", Color.Green);
+            AddTempDiffRow("30°C", Color.Red);
         }
         
-        private void DataGridViewTempDiff_CellContentClick(object sender, DataGridViewCellEventArgs e)
+        private void AddTempDiffRow(string tempDiffValue, Color color)
         {
-            if (e.RowIndex >= 0)
+            // 添加到数据列表
+            Dictionary<string, object> rowData = new Dictionary<string, object>
             {
-                // 处理颜色选择按钮点击
+                { "tempDiffValue", tempDiffValue },
+                { "color", color }
+            };
+            tempDiffData.Add(rowData);
+            
+            // 添加到DataGridView
+            dataGridViewTempDiff.Rows.Add(tempDiffValue, "");
+        }
+        
+        private void DataGridViewTempDiff_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
+        {
+            // 只处理颜色列
+            if (e.ColumnIndex == dataGridViewTempDiff.Columns["colorColumn"].Index && e.RowIndex >= 0)
+            {
+                // 清空单元格内容
+                e.PaintBackground(e.CellBounds, true);
+                
+                // 确保行索引有效
+                if (e.RowIndex < tempDiffData.Count)
+                {
+                    // 获取当前行的颜色
+                    Color color = (Color)tempDiffData[e.RowIndex]["color"];
+                    
+                    // 创建颜色块的绘制区域（居中显示，留出边距）
+                    Rectangle colorBlock = new Rectangle(
+                        e.CellBounds.X + 10,
+                        e.CellBounds.Y + 3,
+                        e.CellBounds.Width - 20,
+                        e.CellBounds.Height - 6
+                    );
+                    
+                    // 绘制颜色块
+                    using (SolidBrush brush = new SolidBrush(color))
+                    {
+                        e.Graphics.FillRectangle(brush, colorBlock);
+                    }
+                    
+                    // 添加边框
+                    using (Pen pen = new Pen(Color.Black))
+                    {
+                        e.Graphics.DrawRectangle(pen, colorBlock);
+                    }
+                }
+                
+                // 标记单元格已绘制
+                e.Handled = true;
+            }
+        }
+        
+        private void DataGridViewTempDiff_CellClick(object sender, DataGridViewCellEventArgs e)
+        {
+            if (e.RowIndex >= 0 && e.RowIndex < tempDiffData.Count)
+            {
+                // 处理颜色列点击
                 if (e.ColumnIndex == dataGridViewTempDiff.Columns["colorColumn"].Index)
                 {
                     using (ColorDialog colorDialog = new ColorDialog())
                     {
+                        // 设置初始颜色为当前行的颜色
+                        colorDialog.Color = (Color)tempDiffData[e.RowIndex]["color"];
+                        
                         if (colorDialog.ShowDialog() == DialogResult.OK)
                         {
-                            // 这里可以保存选择的颜色
-                            Console.WriteLine("选择的颜色: " + colorDialog.Color.Name);
+                            // 更新颜色数据
+                            tempDiffData[e.RowIndex]["color"] = colorDialog.Color;
+                            // 刷新单元格以显示新颜色
+                            dataGridViewTempDiff.Refresh();
                         }
                     }
                 }