33
This commit is contained in:
zpc
parent
914cda7219
commit
0e5e9fb140
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@ -30,6 +30,11 @@ namespace WorkCameraExport.Forms
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{
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components = new System.ComponentModel.Container();
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// 图片右键菜单
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contextMenuImage = new ContextMenuStrip(components);
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menuItemDownloadImage = new ToolStripMenuItem();
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menuItemCopyUrl = new ToolStripMenuItem();
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// 主面板
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panelMain = new Panel();
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@ -365,6 +370,7 @@ namespace WorkCameraExport.Forms
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btnAdd.Text = "➕ 新增";
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btnAdd.UseVisualStyleBackColor = false;
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btnAdd.Click += btnAdd_Click;
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btnAdd.Enabled = false; // 禁用新增按钮
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//
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// btnExportAll
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@ -471,6 +477,7 @@ namespace WorkCameraExport.Forms
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dgvWorkRecords.CellClick += dgvWorkRecords_CellClick;
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dgvWorkRecords.CellContentClick += dgvWorkRecords_CellContentClick;
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dgvWorkRecords.CellPainting += dgvWorkRecords_CellPainting;
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dgvWorkRecords.CellMouseClick += dgvWorkRecords_CellMouseClick;
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//
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// colSelect - 选择列
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@ -560,6 +567,7 @@ namespace WorkCameraExport.Forms
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colOperations.Text = "编辑";
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colOperations.UseColumnTextForButtonValue = true;
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colOperations.Width = 70;
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colOperations.ReadOnly = true; // 禁用编辑列
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//
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// panelPaging - 分页控件区域
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@ -760,6 +768,29 @@ namespace WorkCameraExport.Forms
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//
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// WorkRecordForm
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//
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// contextMenuImage
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//
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contextMenuImage.Items.AddRange(new ToolStripItem[] { menuItemDownloadImage, menuItemCopyUrl });
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contextMenuImage.Name = "contextMenuImage";
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contextMenuImage.Size = new Size(150, 48);
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//
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// menuItemDownloadImage
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//
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menuItemDownloadImage.Name = "menuItemDownloadImage";
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menuItemDownloadImage.Size = new Size(149, 22);
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menuItemDownloadImage.Text = "下载图片";
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menuItemDownloadImage.Click += menuItemDownloadImage_Click;
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//
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// menuItemCopyUrl
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//
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menuItemCopyUrl.Name = "menuItemCopyUrl";
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menuItemCopyUrl.Size = new Size(149, 22);
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menuItemCopyUrl.Text = "复制URL";
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menuItemCopyUrl.Click += menuItemCopyUrl_Click;
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//
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AutoScaleDimensions = new SizeF(7F, 17F);
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AutoScaleMode = AutoScaleMode.Font;
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@ -782,6 +813,7 @@ namespace WorkCameraExport.Forms
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panelPaging.ResumeLayout(false);
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panelPaging.PerformLayout();
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panelProgress.ResumeLayout(false);
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contextMenuImage.ResumeLayout(false);
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ResumeLayout(false);
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}
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@ -850,5 +882,10 @@ namespace WorkCameraExport.Forms
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private ProgressBar progressBar;
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private Label lblProgress;
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private Button btnCancelExport;
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// 图片右键菜单
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private ContextMenuStrip contextMenuImage;
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private ToolStripMenuItem menuItemDownloadImage;
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private ToolStripMenuItem menuItemCopyUrl;
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}
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}
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@ -249,7 +249,7 @@ namespace WorkCameraExport.Forms
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/// <summary>
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/// 单元格绘制事件 - 用于绘制图片缩略图
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/// </summary>
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private async void dgvWorkRecords_CellPainting(object? sender, DataGridViewCellPaintingEventArgs e)
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private void dgvWorkRecords_CellPainting(object? sender, DataGridViewCellPaintingEventArgs e)
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{
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// 只处理图片列
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if (e.ColumnIndex != colImages.Index || e.RowIndex < 0)
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@ -272,7 +272,6 @@ namespace WorkCameraExport.Forms
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var startX = cellBounds.X + 5;
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var startY = cellBounds.Y + (cellBounds.Height - ThumbnailHeight) / 2;
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// 绘制缩略图占位符
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using var placeholderBrush = new SolidBrush(Color.FromArgb(230, 230, 230));
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using var borderPen = new Pen(Color.FromArgb(200, 200, 200));
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using var textBrush = new SolidBrush(Color.FromArgb(102, 102, 102));
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@ -283,16 +282,35 @@ namespace WorkCameraExport.Forms
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var x = startX + i * (ThumbnailWidth + ThumbnailSpacing);
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var rect = new Rectangle(x, startY, ThumbnailWidth, ThumbnailHeight);
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var imageUrl = record.Images[i].ImageUrl;
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// 检查缓存中是否有图片
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if (_thumbnailCache.TryGetValue(imageUrl, out var cachedImage) && cachedImage != null)
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{
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// 绘制缓存的图片
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e.Graphics.DrawImage(cachedImage, rect);
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e.Graphics.DrawRectangle(borderPen, rect);
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}
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else
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{
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// 绘制占位符背景
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e.Graphics.FillRectangle(placeholderBrush, rect);
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e.Graphics.DrawRectangle(borderPen, rect);
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// 绘制图片序号
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var text = $"图{i + 1}";
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// 绘制加载中文字
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var text = "加载中";
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var textSize = e.Graphics.MeasureString(text, font);
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var textX = x + (ThumbnailWidth - textSize.Width) / 2;
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var textY = startY + (ThumbnailHeight - textSize.Height) / 2;
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e.Graphics.DrawString(text, font, textBrush, textX, textY);
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// 异步加载图片（只触发一次）
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if (!_thumbnailCache.ContainsKey(imageUrl))
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{
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_thumbnailCache[imageUrl] = null; // 标记为正在加载
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_ = LoadThumbnailAsync(imageUrl, e.RowIndex);
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}
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}
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}
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// 绘制徽章（显示剩余图片数量）
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@ -316,6 +334,58 @@ namespace WorkCameraExport.Forms
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e.Handled = true;
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}
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/// <summary>
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/// 异步加载缩略图
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/// </summary>
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private async Task LoadThumbnailAsync(string imageUrl, int rowIndex)
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{
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try
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{
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var (success, imageData, _) = await _apiService.DownloadImageAsync(imageUrl);
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if (success && imageData != null && imageData.Length > 0)
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{
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using var ms = new MemoryStream(imageData);
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var originalImage = Image.FromStream(ms);
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// 创建缩略图
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var thumbnail = new Bitmap(ThumbnailWidth, ThumbnailHeight);
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using (var g = Graphics.FromImage(thumbnail))
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{
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g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
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g.DrawImage(originalImage, 0, 0, ThumbnailWidth, ThumbnailHeight);
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}
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originalImage.Dispose();
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_thumbnailCache[imageUrl] = thumbnail;
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// 刷新对应行
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if (InvokeRequired)
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{
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Invoke(() => InvalidateRow(rowIndex));
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}
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else
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{
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InvalidateRow(rowIndex);
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}
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}
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}
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catch (Exception ex)
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{
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_logService?.Warn($"加载缩略图失败: {imageUrl}, {ex.Message}");
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}
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}
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/// <summary>
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/// 刷新指定行
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/// </summary>
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private void InvalidateRow(int rowIndex)
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{
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if (rowIndex >= 0 && rowIndex < dgvWorkRecords.Rows.Count)
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{
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dgvWorkRecords.InvalidateRow(rowIndex);
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}
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}
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/// <summary>
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/// 单元格点击事件 - 处理图片点击打开查看器
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/// </summary>
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@ -345,6 +415,128 @@ namespace WorkCameraExport.Forms
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}
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}
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// 当前右键选中的图片信息
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private string? _contextMenuImageUrl;
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private int _contextMenuRowIndex = -1;
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/// <summary>
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/// 单元格鼠标点击事件 - 处理右键菜单
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/// </summary>
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private void dgvWorkRecords_CellMouseClick(object? sender, DataGridViewCellMouseEventArgs e)
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{
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if (e.RowIndex < 0 || e.Button != MouseButtons.Right)
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return;
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// 只处理图片列的右键
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if (e.ColumnIndex == colImages.Index)
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{
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var row = dgvWorkRecords.Rows[e.RowIndex];
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var record = row.Tag as WorkRecordDto;
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if (record?.Images != null && record.Images.Count > 0)
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{
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// 计算点击的是哪张图片
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var cellBounds = dgvWorkRecords.GetCellDisplayRectangle(e.ColumnIndex, e.RowIndex, false);
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var clickX = e.X;
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var imageIndex = clickX / (ThumbnailWidth + ThumbnailSpacing);
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if (imageIndex >= 0 && imageIndex < record.Images.Count)
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{
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_contextMenuImageUrl = record.Images[imageIndex].ImageUrl;
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_contextMenuRowIndex = e.RowIndex;
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// 显示右键菜单
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var screenPoint = dgvWorkRecords.PointToScreen(new Point(
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cellBounds.X + e.X,
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cellBounds.Y + e.Y));
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contextMenuImage.Show(screenPoint);
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}
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}
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}
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}
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/// <summary>
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/// 下载图片菜单项点击
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/// </summary>
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private async void menuItemDownloadImage_Click(object? sender, EventArgs e)
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{
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if (string.IsNullOrEmpty(_contextMenuImageUrl))
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return;
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try
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{
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// 创建 image 目录
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var imageDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "image");
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if (!Directory.Exists(imageDir))
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{
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Directory.CreateDirectory(imageDir);
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}
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// 生成文件名
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var fileName = Path.GetFileName(_contextMenuImageUrl);
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if (string.IsNullOrEmpty(fileName) || !fileName.Contains('.'))
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{
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fileName = $"image_{DateTime.Now:yyyyMMdd_HHmmss}.jpg";
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}
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var savePath = Path.Combine(imageDir, fileName);
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// 确保文件名唯一
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var counter = 1;
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var baseName = Path.GetFileNameWithoutExtension(savePath);
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var ext = Path.GetExtension(savePath);
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while (File.Exists(savePath))
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{
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savePath = Path.Combine(imageDir, $"{baseName}_{counter}{ext}");
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counter++;
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}
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lblStatusBar.Text = "正在下载图片...";
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lblStatusBar.ForeColor = Color.Blue;
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var (success, imageData, message) = await _apiService.DownloadImageAsync(_contextMenuImageUrl);
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if (success && imageData != null)
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{
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await File.WriteAllBytesAsync(savePath, imageData);
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lblStatusBar.Text = $"图片已保存: {savePath}";
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lblStatusBar.ForeColor = Color.Green;
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_logService?.Info($"图片下载成功: {savePath}");
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}
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else
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{
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lblStatusBar.Text = $"下载失败: {message}";
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lblStatusBar.ForeColor = Color.Red;
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}
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}
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catch (Exception ex)
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{
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lblStatusBar.Text = $"下载失败: {ex.Message}";
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lblStatusBar.ForeColor = Color.Red;
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_logService?.Error($"下载图片失败: {ex.Message}", ex);
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}
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}
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/// <summary>
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/// 复制URL菜单项点击
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/// </summary>
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private void menuItemCopyUrl_Click(object? sender, EventArgs e)
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{
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if (string.IsNullOrEmpty(_contextMenuImageUrl))
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return;
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try
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{
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Clipboard.SetText(_contextMenuImageUrl);
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lblStatusBar.Text = "URL已复制到剪贴板";
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lblStatusBar.ForeColor = Color.Green;
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}
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catch (Exception ex)
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{
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lblStatusBar.Text = $"复制失败: {ex.Message}";
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lblStatusBar.ForeColor = Color.Red;
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}
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}
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/// <summary>
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/// 单元格内容点击事件 - 处理操作按钮
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/// </summary>
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