internal static void ClearImageCache()
{
using (var isoStore = IsolatedStorageFile.GetUserStoreForApplication())
{
if (isoStore.DirectoryExists("Images\\"))
{
IsoStoreUtil.DeleteFileFromFolder("Images\\*");
}
}
}
public string UploadImage(string filepath)
{
var url = "https://note.youdao.com/yws/open/resource/upload.json?oauth_token=" + _accessToken;
var postData = new PostData();
// Read file data
var data = IsoStoreUtil.ReadFileAsByte(filepath);
var filename = FileUtils.GetFileName(filepath);
postData.Params.Add(new PostDataParam(filename, data, filepath, PostDataParamType.File));
var requestResult = HttpUtils.SendPostRequestWithMultipart(url, _accessToken, postData);
if (requestResult.OperateResult == OperateResultEnum.Fail)
{
throw new YoudaoNoteException(requestResult.Code, requestResult.ErrorMsg);
}
var jObject = JsonConvert.DeserializeObject(requestResult.Result, typeof(JObject)) as JObject;
return(jObject != null ? jObject["url"].ToString() : string.Empty);
}
void photoChooserTask_Completed(object sender, PhotoResult e)
{
if (e.TaskResult == TaskResult.OK)
{
var imageName = Path.Combine("Images", Path.GetFileName(e.OriginalFileName));
string imagePath = string.Empty;
if (IsoStoreUtil.FileExists(imageName))
{
imagePath = IsoStoreUtil.GetFileAbsolutePath(imageName);
}
else
{
var tempBuffer = new byte[e.ChosenPhoto.Length];
e.ChosenPhoto.Read(tempBuffer, 0, tempBuffer.Length);
imagePath = IsoStoreUtil.SaveToIsoStore(imageName, tempBuffer);
}
_noteEntity.Content = rtbContent.InsertImage(imagePath);
}
rtbContent.SetFocus();
}
/// <summary>
/// Download and save image to local.
/// </summary>
/// <param name="belongedNotePath">The path of belonged note.</param>
/// <param name="imgNode">The image HtmlNode object.</param>
/// <param name="imgRemoteUrl">The remote url of the image.</param>
/// <param name="imgNameWithoutExt">The image name without extension.</param>
/// <returns></returns>
private string downloadAndSaveImageToLocal(string belongedNotePath, HtmlNode imgNode, string imgRemoteUrl, string imgNameWithoutExt)
{
Debug.WriteLine("Thread Id: " + Thread.CurrentThread.ManagedThreadId + " downloadAndSaveImageToLocal: " + imgRemoteUrl);
var res = _api.DownloadAttach(imgRemoteUrl);
var imgType = ImageUtil.GetImageType(res.Buffer);
var localPath = "Images\\" + imgNameWithoutExt + "." + imgType;
double width;
if (imgNode.Attributes.Contains("width"))
{
if (Double.TryParse(imgNode.Attributes["width"].Value, out width))
{
if (width > _screenWidth)
{
width = _screenWidth - 25;
}
}
imgNode.Attributes["width"].Value = width.ToString(CultureInfo.InvariantCulture);
}
else
{
var actualSize = ImageUtil.GetImageSize(imgType, res.Buffer);
width = actualSize.Width > _screenWidth ? _screenWidth - 25 : actualSize.Width;
imgNode.Attributes.Add("width", width.ToString(CultureInfo.InvariantCulture));
}
// Save to disk.
var savePath = IsoStoreUtil.SaveToIsoStore(localPath, res.Buffer);
// Save to db.
var imageEntity = new ImageEntity(imgNameWithoutExt, imgType.ToString(), savePath, imgRemoteUrl, belongedNotePath);
ImageDao.InsertIfNotExist(imageEntity);
return(savePath);
}
internal static long GetCacheSize()
{
return(IsoStoreUtil.GetFolderSize("Images\\*"));
}
// 应用程序启动(例如，从“开始”菜单启动)时执行的代码
// 此代码在重新激活应用程序时不执行
private void Application_Launching(object sender, LaunchingEventArgs e)
{
SyncCore.GetInst().InitializeSyncCore(ConstantPool.AccessToken, ConstantPool.ScreenWidth);
IsoStoreUtil.SaveFilesToIsoStore("style");
//Task.Factory.StartNew(ImageDao.DeleteNoRootImages);
}
public static string TideHtml(string html)
{
if (string.IsNullOrEmpty(html))
{
throw new ArgumentNullException("html");
}
var doc = new HtmlDocument();
doc.LoadHtml(html);
// remove all script and style tags.
doc.DocumentNode.Descendants()
.Where(n => n.Name == "script" || n.Name == "style")
.ToList()
.ForEach(n => n.Remove());
// remove all class and style attributes.
doc.DocumentNode.Descendants()
.Where(n => n.Attributes.Contains("class") || n.Attributes.Contains("style"))
.ToList()
.ForEach(n =>
{
if (n.Attributes.Contains("class"))
{
n.Attributes.Remove("class");
}
if (n.Attributes.Contains("style"))
{
n.Attributes.Remove("style");
}
});
var headTag = doc.DocumentNode.SelectSingleNode("//head");
if (null == headTag)
{
headTag = HtmlNode.CreateNode("<head></head>");
doc.DocumentNode.InsertBefore(headTag, doc.DocumentNode.FirstChild);
}
var viewportTag = doc.DocumentNode.SelectSingleNode("//meta[@name=\"viewport\"]");
if (null == viewportTag)
{
viewportTag = HtmlNode.CreateNode("<meta name=\"viewport\" content=\"user-scalable=no\" />");
headTag.AppendChild(viewportTag);
}
else
{
viewportTag.SetAttributeValue("content", "user-scalable=no");
}
if (string.IsNullOrEmpty(StyleStr))
{
StyleStr = IsoStoreUtil.ReadFileAsString("style/global.css");
}
var styleNode = HtmlNode.CreateNode("<style type=\"text/css\">" + StyleStr + "</style>");
headTag.AppendChild(styleNode);
return(doc.DocumentNode.InnerHtml);
}
