void CreateDataItem(int index, bool bReadOnly, bool bAllowDownd, UploadViewDataItem item, HtmlTextWriter writer)
{
if (item != null)
{
TableRow row = new TableRow();
row.CssClass = (index % 2 == 0) ? this.DataItemNormalClass : this.DataItemAlterClass;
TableCell cell = null;
if (!bReadOnly)
{
cell = new TableCell();
cell.HorizontalAlign = HorizontalAlign.Center;
HtmlInputCheckBox chk = new HtmlInputCheckBox();
chk.ID = chk.Name = string.Format("{0}_CHK_{1}", this.ClientID, item.FileID);
chk.Value = item.FileID;
cell.Controls.Add(chk);
row.Cells.Add(cell);
}
string downloadBaseURI = this.DownloadBaseURI;
if (bAllowDownd && !this.UploadRaws.ContainsKey(item.FileID) && !string.IsNullOrEmpty(downloadBaseURI))
{
cell = new TableCell();
cell.HorizontalAlign = HorizontalAlign.Left;
HtmlAnchor a = new HtmlAnchor();
a.InnerText = string.Format("{0}.{1}", index + 1, item.FileName);
string[] exts = this.OfficeSuffix.Split('|');
if (!this.ReadOnly && this.AllowOfficeOnlineEdit && exts != null && exts.Length > 0 && (Array.BinarySearch(exts, item.Extension.ToLower()) > -1))
{
string url = string.Empty;
if (downloadBaseURI.IndexOf("/") > 0)
url = downloadBaseURI.Substring(0, downloadBaseURI.LastIndexOf("/"));
if (string.IsNullOrEmpty(url))
url = string.Format("http://{0}/", HttpContext.Current.Request.Url.Host);
url = string.Format("{0}{1}{2}", url, item.FileID, item.Extension);
a.HRef = "#";
a.Attributes["onclick"] = string.Format("javascript:UploadView_DocumentEdit('{0}');", url);
}
else
{
a.HRef = string.Format("{0}{1}", downloadBaseURI, item.FileID);
a.Target = "_blank";
}
cell.Controls.Add(a);
row.Cells.Add(cell);
}
else
{
cell = new TableCell();
cell.HorizontalAlign = HorizontalAlign.Left;
cell.Text = string.Format("{0}.{1}", index + 1, item.FileName);
row.Cells.Add(cell);
}
cell = new TableCell();
cell.HorizontalAlign = HorizontalAlign.Left;
cell.Text = item.Extension;
row.Cells.Add(cell);
cell = new TableCell();
cell.HorizontalAlign = HorizontalAlign.Right;
cell.Text = item.Size < 0.01 ? "< 0.01" : string.Format("{0:N2}", item.Size);
row.Cells.Add(cell);
row.RenderControl(writer);
}
}
void BuildItems(ICollection dataSource)
{
if (dataSource != null)
{
IEnumerator enumerator = dataSource.GetEnumerator();
PropertyDescriptorCollection pdc = null;
PropertyDescriptor pd = null;
StringCollection allFileID = new StringCollection();
while (enumerator.MoveNext())
{
object obj = enumerator.Current;
if (obj != null)
{
pdc = TypeDescriptor.GetProperties(obj);
if (pdc != null && pdc.Count > 0)
{
bool flag = false;
UploadViewDataItem item = new UploadViewDataItem();
pd = pdc.Find(this.FileIDField, true);
if (pd != null)
{
item.FileID = new GUIDEx(pd.GetValue(obj));
allFileID.Add(item.FileID);
flag = true;
}
pd = pdc.Find(this.FileNameField, true);
if (pd != null)
{
item.FileName = Convert.ToString(pd.GetValue(obj));
flag &= true;
}
pd = pdc.Find(this.ExtensionField, true);
if (pd != null)
{
item.Extension = Convert.ToString(pd.GetValue(obj));
flag &= true;
}
pd = pdc.Find(this.SizeField, true);
if (pd != null)
item.Size = Convert.ToDouble(pd.GetValue(obj));
if (flag)
this.Items.Add(item);
}
}
}
this.FileIDFromDataSource = allFileID;
}
}
void BuildItems(DataTable dtSource)
{
if (dtSource != null)
{
StringCollection allFileID = new StringCollection();
foreach (DataRow row in dtSource.Rows)
{
UploadViewDataItem item = new UploadViewDataItem();
item.FileID = new GUIDEx(row[this.FileIDField]);
allFileID.Add(item.FileID);
item.FileName = Convert.ToString(row[this.FileNameField]);
item.Extension = Convert.ToString(row[this.ExtensionField]);
item.Size = Convert.ToDouble(row[this.SizeField]);
this.Items.Add(item);
}
this.FileIDFromDataSource = allFileID;
}
}
bool SaveUpload()
{
if (this.HasFile)
{
try
{
HttpPostedFile postedFile = this.PostedFile;
UploadViewDataItem item = new UploadViewDataItem();
item.FileID = GUIDEx.New;
item.FileName = Path.GetFileName(postedFile.FileName);
item.Extension = Path.GetExtension(postedFile.FileName);
item.Size = (double)(postedFile.ContentLength / (double)1024 / (double)1024);
if (this.MaxUploadSize > 0)
{
if (item.Size > this.MaxUploadSize)
throw new Exception(string.Format("上传文件为{0:N2}Mb超过了允许上传的最大上限（{1:N2}Mb）！", item.Size, this.MaxUploadSize));
}
if (this.MaxUploadCount > 0)
{
if (this.Items.Count + 1 > this.MaxUploadCount)
throw new Exception(string.Format("上传的文件个数({0}个)超过了允许上传的最大个数({1}个)。", this.Items.Count + 1, this.MaxUploadCount));
}
this.Items.Add(item);
this.SaveFileRawToPage(item.FileID, postedFile.ContentType, postedFile.InputStream);
return true;
}
catch (Exception e)
{
this.OnUploadViewExceptionEvent(e);
}
}
return false;
}