public void Init(string imgUrl, string goodsUrl, ChatDesk desk)
{
this._imgUrl = imgUrl;
this._desk = desk;
this._goodsUrl = goodsUrl;
WebImageHelper.GetImageFromUrl(imgUrl, this.imgGoods, false);
}
private static void DownImageAndSave(string url)
{
if (!string.IsNullOrEmpty(url))
{
string text = WebImageHelper.GetImageFileName(url);
FileEx.DeleteWithoutException(text);
using (WebClient webClient = new WebClient())
{
try
{
webClient.DownloadFile(url, text);
}
catch (Exception e)
{
Log.Exception(e);
Log.Info("无法下载图片，url=" + url);
}
}
try
{
BitmapImageEx.ResizeImageAndSave(text, 300);
}
catch (Exception e2)
{
Log.Exception(e2);
}
}
}
public static async void GetImageFromUrl(string url, Image image, bool useCache = false)
{
BitmapImage img = useCache ? null : WebImageHelper.ReadImageFromCachedFile(url);
if (img == null)
{
image.Source = WebImageHelper.ImgLoading;
await Task.Factory.StartNew(() => {
DownImageAndSave(url);
}, TaskCreationOptions.LongRunning);
img = WebImageHelper.ReadImageFromCachedFile(url);
}
image.Source = img;
}
private void imgGoods_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ClickCount == 1)
{
if (e.ChangedButton == MouseButton.Left)
{
this._desk.Editor.SetPlainText(this._goodsUrl, true, true);
}
else
{
WebImageHelper.GetImageFromUrl(this._imgUrl, this.imgGoods, true);
}
}
else if (e.ClickCount == 2 && e.ChangedButton == MouseButton.Left)
{
this._desk.Editor.SendPlainText(this._goodsUrl);
}
}
private static BitmapImage ReadImageFromCachedFile(string url)
{
BitmapImage img = null;
lock (_synobj)
{
try
{
string filename = WebImageHelper.GetImageFileName(url);
img = BitmapImageEx.CreateFromFile(filename, 3);
}
catch (Exception e)
{
Log.Exception(e);
}
}
return(img);
}
private void OnMouseEnter()
{
try
{
this._isMouseInsideImageControl = true;
this._mouseEnterTime = DateTime.Now;
if (this.imgGoods.Source != null && this.imgGoods.Source != WebImageHelper.ImgLoading && this.Wnd != null)
{
DelayCaller.CallAfterDelayInUIThread(() => {
if (this._isMouseInsideImageControl && this.Wnd.imgBig.Source == null)
{
this.Wnd.BringTop();
this.Wnd.imgBig.Width = 300.0;
this.Wnd.imgBig.Height = 300.0;
Point point = base.TranslatePoint(new Point(base.ActualWidth + 5.0, 0.0), this.Wnd);
if (point.Y + this.Wnd.imgBig.Height > SystemParameters.WorkArea.Height)
{
point.Y = SystemParameters.WorkArea.Height - this.Wnd.imgBig.Height - 5.0;
}
this.Wnd.imgBig.SetValue(Canvas.LeftProperty, point.X);
this.Wnd.imgBig.SetValue(Canvas.TopProperty, point.Y);
WebImageHelper.GetImageFromUrl(this._imgUrl, this.Wnd.imgBig, false);
DelayCaller.CallAfterDelayInUIThread(() => {
if (this._isMouseInsideImageControl && this._mouseEnterTime.xElapse().TotalSeconds > 9.0)
{
this.OnMouseLeave();
}
}, 10000);
}
}, 200);
}
}
catch (Exception e)
{
Log.Exception(e);
}
}
