//勾选视频
private void selectButton(Canvas imageCanvas)
{
//移除所有
unselectedAllImage();
//选中当前
selectCurrImage(imageCanvas);
//更新当前控件数据
GifListTag tag = (GifListTag)imageCanvas.Tag;
currDControl.storageId = tag.storageGif.id;
}
//鼠标离开视频
private void imageCanvasMouseLeave(object sender, MouseEventArgs e)
{
Canvas imageCanvas = (Canvas)sender;
GifListTag tag = (GifListTag)imageCanvas.Tag;
if (imageCanvas != null && !tag.isSelected)
{
FrameworkElement selectButton = FrameworkElementUtil.getByName(imageCanvas, "selectButton");
if (selectButton != null)
{
selectButton.Visibility = Visibility.Hidden;
}
}
}
//选中当前视频
private void selectCurrImage(Canvas imageCanvas)
{
Button selectButton = (Button)FrameworkElementUtil.getByName(imageCanvas, "selectButton");
if (selectButton != null)
{
selectButton.Visibility = Visibility.Visible;
selectButton.Background = new ImageBrush
{
ImageSource = new BitmapImage(new Uri(@"Resources/ico_media_select_active.png", UriKind.Relative)),
Stretch = Stretch.UniformToFill
};
}
GifListTag tag = (GifListTag)imageCanvas.Tag;
tag.isSelected = true;
imageCanvas.Tag = tag;
}
//取消所有视频选中状态
private void unselectedAllImage()
{
foreach (Canvas image in imageListWrap.Children)
{
GifListTag tag = (GifListTag)image.Tag;
if (tag.isSelected)
{
Button selectButton = (Button)FrameworkElementUtil.getByName(image, "selectButton");
if (selectButton != null)
{
selectButton.Visibility = Visibility.Hidden;
selectButton.Background = new ImageBrush
{
ImageSource = new BitmapImage(new Uri(@"Resources/ico_media_select.png", UriKind.Relative)),
Stretch = Stretch.UniformToFill
};
}
tag.isSelected = false;
image.Tag = tag;
}
}
}
//public void DoEvents()
//{
// DispatcherFrame frame = new DispatcherFrame();
// Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background,
// new DispatcherOperationCallback(ExitFrames), frame);
// Dispatcher.PushFrame(frame);
//}
//public object ExitFrames(object f)
//{
// ((DispatcherFrame)f).Continue = false;
// return null;
//}
/*
* 初始化一个图片控件
*/
private Canvas initOneImage(StorageGif storageGif)
{
GifListTag tag = new GifListTag();
tag.isSelected = false;
tag.storageGif = storageGif;
Canvas imageCanvas = new Canvas();
imageCanvas.Name = "imageCanvas";
imageCanvas.Width = 100;
imageCanvas.Height = 100;
imageCanvas.Margin = new Thickness(10);
imageCanvas.Tag = tag;
//1.按钮
string imgFullPath = FileUtil.notExistsShowDefault(storageGif.url, Params.ImageNotExists);
imgFullPath = AppDomain.CurrentDomain.BaseDirectory + imgFullPath;
Image image = new Image();
image.Name = "image";
image.Width = 100;
image.Height = 75;
image.Source = FileUtil.readImage2(imgFullPath, 200);;
image.Stretch = Stretch.Uniform;
//2.按钮行
Canvas bg = new Canvas();
bg.Name = "bg";
bg.Background = Brushes.Black;
bg.Width = 100;
bg.Height = 24;
bg.Opacity = 0.6;
bg.SetValue(Canvas.BottomProperty, 25.0);
bg.SetValue(Canvas.LeftProperty, 0.0);
//时长
Label lLabel = new Label();
lLabel.Width = 100;
lLabel.Height = 24;
lLabel.Content = storageGif.actualWidth + "×" + storageGif.actualHeight;
lLabel.Foreground = Brushes.White;
lLabel.SetValue(Canvas.LeftProperty, 0.0);
lLabel.SetValue(Canvas.TopProperty, 0.0);
bg.Children.Add(lLabel);
//删除按钮
Button rbtn = new Button();
rbtn.Width = 16;
rbtn.Height = 16;
rbtn.BorderThickness = new Thickness(0);
rbtn.Background = new ImageBrush
{
ImageSource = FileUtil.readImage(AppDomain.CurrentDomain.BaseDirectory + "/myfile/sysimg/ico-image-remove.png")
,
Stretch = Stretch.UniformToFill
};
rbtn.SetValue(Canvas.RightProperty, -8.0);
rbtn.SetValue(Canvas.TopProperty, -8.0);
// bg.Children.Add(rbtn);
// rbtn.Click += rbtnClick;
//标题
Label titleLabel = new Label();
titleLabel.Width = 100;
titleLabel.Height = 25;
titleLabel.Content = storageGif.origFilename;
titleLabel.SetValue(Canvas.LeftProperty, 0.0);
titleLabel.SetValue(Canvas.BottomProperty, 0.0);
titleLabel.ToolTip = titleLabel.Content;
//勾选
Button selectButton = new Button();
selectButton.Name = "selectButton";
selectButton.Tag = storageGif.id;
selectButton.Width = 24;
selectButton.Height = 24;
selectButton.BorderThickness = new Thickness(0);
selectButton.SetValue(Canvas.LeftProperty, 7.0);
selectButton.SetValue(Canvas.TopProperty, 7.0);
selectButton.Background = new ImageBrush
{
ImageSource = new BitmapImage(new Uri(@"Resources/ico_media_select.png", UriKind.Relative)),
Stretch = Stretch.UniformToFill
};
selectButton.Visibility = Visibility.Hidden;
imageCanvas.MouseEnter += imageCanvasMouseEnter;
imageCanvas.MouseLeave += imageCanvasMouseLeave;
imageCanvas.MouseLeftButtonDown += selectButtonClick;
selectButton.Click += selectButtonClick;
imageCanvas.Children.Add(image);
imageCanvas.Children.Add(bg);
imageCanvas.Children.Add(titleLabel);
imageCanvas.Children.Add(selectButton);
// videoCanvas.Children.Add(rbtn);
return(imageCanvas);
}
