/// <summary>
/// Copy values back to this object from a cached object
/// </summary>
/// <param name="origianl"></param>
public void Restore(MediaView cachedObject)
{
this.caption = cachedObject.caption;
this.description = cachedObject.description;
this.id = cachedObject.id;
this.title = cachedObject.title;
this.myUrl = cachedObject.myUrl;
this.fileName = cachedObject.fileName;
this.updated = cachedObject.updated;
}
public MediaView(MediaView original)
{
this.id = original.id;
this.title = original.title;
this.caption = original.caption;
this.description = original.description;
this.updated = original.updated;
this.myUrl = original.myUrl;
this.fileName = original.fileName;
}
/// <summary>
/// Load data to the UI
/// </summary>
/// <param name="mediaArray"></param>
private void LoadData(media[] mediaArray)
{
DataList.Clear();
foreach (media theMedia in mediaArray)
{
MediaView mediaView = new MediaView(theMedia);
WebClient wc = new WebClient();
wc.OpenReadCompleted += new OpenReadCompletedEventHandler(wc_OpenReadCompleted);
wc.OpenReadAsync(new Uri(mediaView.myUrl), mediaView);
DataList.Add(mediaView);
}
}
private void wc_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
MediaView mediaView = e.UserState as MediaView;
mediaView.ImageStream = e.Result;
}
/// <summary>
/// 'Cancel' button is clicked
/// </summary>
public void CancelEdit()
{
Restore(cache);
cache = null;
}
/// <summary>
/// 'Edit' button is clicked
/// Due to binding, all UI changed will be mapped to the object, so we need make a copy of object before edit in case user wants to cancel the editing
/// </summary>
public void BeginEdit()
{
cache = new MediaView(this);
}