private void LoadAlbums()
{
// TODO: 这个判断很重要，因为PagerControl会多次调用PageChange，没有必要我们不要多次调用网络。
if (m_curr_page == m_pgc_morealbum.CurrentPage && m_curr_rows_per_page == m_pgc_morealbum.RowsPerPage)
{
Console.WriteLine("No need to do duplicated operation");
return;
}
HGAlbumSearchParams hgasp = new HGAlbumSearchParams(m_pgc_morealbum.CurrentPage, m_pgc_morealbum.RowsPerPage);
m_curr_page = m_pgc_morealbum.CurrentPage;
m_curr_rows_per_page = m_pgc_morealbum.RowsPerPage;
HGData.getInstance().Album = HGRestfulAPI.getInstance().getHGAlbum(hgasp);
HGAlbum hga = HGData.getInstance().Album;
if (hga == null)
{
return;
}
m_pgc_morealbum.RecordCount = hga.Total;
foreach (AlbumInfo ai in m_albums)
{
this.Controls.Remove(ai);
}
m_albums.Clear();
for (int i = 0; i < hga.Data.Length; i++)
{
HGAlbumItem hgai = hga.Data[i];
AlbumInfo ai = new AlbumInfo(m_album_type, hgai);
ai.AlbumName = hgai.AlbumName;
if (!String.IsNullOrEmpty(hgai.FileUrl))
{
try
{
MemoryStream ms = new MemoryStream();
Util.Download(HGRestfulAPI.FileServerBaseUrl + hgai.FileUrl, ms);
ai.AlbumImage = Image.FromStream(ms);
}
catch (Exception ex)
{
//TODO; don't do that, just log
MessageBox.Show("下载网络图片" + hgai.FileUrl + "失败：" + ex.Message);
}
}
ai.ClickEventHandler += ShowAlbumDetail;
m_albums.Add(ai);
}
ShowAlbums();
}
public HGAlbum getHGAlbum(HGAlbumSearchParams hgasp)
{
String resturl = "/platform/album/query";
if (hgasp == null)
{
throw new Exception("查询专辑传递的参数为空");
}
string json_params = JsonConvert.SerializeObject(hgasp);
Console.WriteLine(json_params);
String res = HttpHelper.HttpPostJsonData(BaseUrl + resturl, json_params, buildHeaderParams(null));
HGAlbum hgalbum = parseHGData <HGAlbum>(res);
return(hgalbum);
}
public void displayAlbums()
{
HGAlbum hga = HGData.getInstance().Album;
if (hga == null)
{
return;
}
for (int i = 0; i < hga.Data.Length; i++)
{
HGAlbumItem hgai = hga.Data[i];
AlbumType at = (AlbumType)hgai.AlbumType;
if (at == AlbumType.AudioAlbum)
{
Console.WriteLine("Audio : " + hga.Data[i].AlbumName + " Url: " + hga.Data[i].FileUrl);
m_alp_audio.addAlbum(hga.Data[i]);
}
else if (at == AlbumType.VideoAlbum)
{
Console.WriteLine("Video : " + hga.Data[i].AlbumName + " Url: " + hga.Data[i].FileUrl);
m_alp_video.addAlbum(hga.Data[i]);
}
}
}