/// <summary>
/// Handles the OnBeforeSave event of the Form control.
/// </summary>
private void Form_OnBeforeSave(object sender, EventArgs e)
{
if (FormObject != null)
{
switch (ThumbnailType)
{
case ThumbnailTypeEnum.Metafile:
// Clear the Icon CSS class field
FormObject.SetValue(IconCssFieldName, string.Empty);
fontIconSelector.Value = string.Empty;
break;
case ThumbnailTypeEnum.CssClass:
// Delete uploaded metafile
Guid metaFileguid = ValidationHelper.GetGuid(Value, Guid.Empty);
if (metaFileguid != Guid.Empty)
{
MetaFileInfo metaFile = MetaFileInfoProvider.GetMetaFileInfo(metaFileguid, FormObject.Generalized.ObjectSiteName, true);
MetaFileInfoProvider.DeleteMetaFileInfo(metaFile);
}
// Delete the metafile thumbnail
Value = null;
FormObject.SetValue(Field, null);
// Update the Icon CSS class field
FormObject.SetValue(IconCssFieldName, fontIconSelector.Value);
break;
}
}
}
/// <summary>
/// Handles the OnBeforeSave event of the Form control.
/// </summary>
private void Form_OnBeforeSave(object sender, EventArgs e)
{
if (FormObject != null)
{
switch (iconType)
{
case IconTypeEnum.Metafile:
// Remove icon css class
FormObject.SetValue(IconCssFieldName, null);
txtCssClass.Text = string.Empty;
break;
case IconTypeEnum.CssClass:
// Delete uploaded metafile
Guid metaFileguid = ValidationHelper.GetGuid(Value, Guid.Empty);
if (metaFileguid != Guid.Empty)
{
MetaFileInfo metaFile = MetaFileInfoProvider.GetMetaFileInfo(metaFileguid, null, true);
MetaFileInfoProvider.DeleteMetaFileInfo(metaFile);
}
// Delete the metafile thumbnail
Value = null;
FormObject.SetValue(Field, null);
// Update the Icon CSS class field
FormObject.SetValue(IconCssFieldName, txtCssClass.Text);
break;
}
}
}
protected void gridFile_OnAction(string actionName, object actionArgument)
{
switch (actionName.ToLower())
{
case "delete":
try
{
// Get meta file ID
int metaFileId = ValidationHelper.GetInteger(actionArgument, 0);
// Get meta file
MetaFileInfo mfi = MetaFileInfoProvider.GetMetaFileInfo(metaFileId);
// Delete meta file
MetaFileInfoProvider.DeleteMetaFileInfo(metaFileId);
// Execute after delete event
if (OnAfterDelete != null)
{
OnAfterDelete(this, null);
}
}
catch (Exception ex)
{
lblError.Visible = true;
lblError.Text = ex.Message;
}
break;
}
}
/// <summary>
/// Uploads file.
/// </summary>
public void UploadFile()
{
if ((uploader.PostedFile != null) && (uploader.PostedFile.ContentLength > 0) && (ObjectID > 0))
{
try
{
MetaFileInfo existing = null;
// Check if uploaded file already exists and delete it
DataSet ds = MetaFileInfoProvider.GetMetaFiles(ObjectID, ObjectType, Category, null, null);
if (!DataHelper.DataSourceIsEmpty(ds))
{
// Get existing record ID and delete it
existing = new MetaFileInfo(ds.Tables[0].Rows[0]);
MetaFileInfoProvider.DeleteMetaFileInfo(existing);
}
// Create new meta file
MetaFileInfo mfi = new MetaFileInfo(uploader.PostedFile, ObjectID, ObjectType, Category);
if (existing != null)
{
// Preserve GUID
mfi.MetaFileGUID = existing.MetaFileGUID;
mfi.MetaFileTitle = existing.MetaFileTitle;
mfi.MetaFileDescription = existing.MetaFileDescription;
}
mfi.MetaFileSiteID = SiteID;
// Save to the database
MetaFileInfoProvider.SetMetaFileInfo(mfi);
// Set currently handled meta file
this.CurrentlyHandledMetaFile = mfi;
SetupControls();
}
catch (Exception ex)
{
lblErrorUploader.Visible = true;
lblErrorUploader.Text = ex.Message;
ViewState["SavingFailed"] = true;
SetupControls();
}
// File was uploaded, do not delete in one postback
mAlreadyUploadedDontDelete = true;
}
}
protected void gridFiles_OnAction(string actionName, object actionArgument)
{
switch (actionName.ToLower())
{
case "delete":
try
{
// Get meta file ID
int metaFileId = ValidationHelper.GetInteger(actionArgument, 0);
// Get meta file
MetaFileInfo mfi = MetaFileInfoProvider.GetMetaFileInfo(metaFileId);
// Set currently handled meta file
CurrentlyHandledMetaFile = mfi;
// Fire before delete event
CancelEventArgs beforeDeleteArgs = new CancelEventArgs();
if (OnBeforeDelete != null)
{
OnBeforeDelete(this, beforeDeleteArgs);
}
// If delete was not cancelled
if (!beforeDeleteArgs.Cancel)
{
// Delete meta file
MetaFileInfoProvider.DeleteMetaFileInfo(metaFileId);
// Fire after delete event
if (OnAfterDelete != null)
{
OnAfterDelete(this, EventArgs.Empty);
}
}
}
catch (Exception ex)
{
lblError.Visible = true;
lblError.Text = ex.Message;
}
break;
}
}
protected void gridFile_OnAction(string actionName, object actionArgument)
{
switch (actionName.ToLowerCSafe())
{
case "delete":
try
{
// Delete the meta file
int metaFileId = ValidationHelper.GetInteger(actionArgument, 0);
MetaFileInfoProvider.DeleteMetaFileInfo(metaFileId);
RaiseOnAfterDelete();
}
catch (Exception ex)
{
ShowError(ex.Message);
}
break;
}
}
protected void uploader_OnDeleteFile(object sender, EventArgs e)
{
// Careful with upload and delete in on postback - ignore delete request
if (mAlreadyUploadedDontDelete)
{
return;
}
try
{
using (DataSet ds = MetaFileInfoProvider.GetMetaFiles(ObjectID, ObjectType, Category, null, null))
{
if (!DataHelper.DataSourceIsEmpty(ds))
{
foreach (DataRow dr in ds.Tables[0].Rows)
{
MetaFileInfo mfi = new MetaFileInfo(dr);
if ((mfi != null) && (mfi.MetaFileName.ToLower() == uploader.CurrentFileName.ToLower()))
{
MetaFileInfoProvider.DeleteMetaFileInfo(mfi.MetaFileID);
}
}
}
}
// Execute after delete event
if (OnAfterDelete != null)
{
OnAfterDelete(this, null);
}
SetupControls();
}
catch (Exception ex)
{
ViewState["DeletingFailed"] = true;
lblErrorUploader.Visible = true;
lblErrorUploader.Text = ex.Message;
SetupControls();
}
}
protected void uploader_OnDeleteFile(object sender, EventArgs e)
{
// Careful with upload and delete in on postback - ignore delete request
if (mAlreadyUploadedDontDelete)
{
return;
}
try
{
using (DataSet ds = MetaFileInfoProvider.GetMetaFiles(ObjectID, ObjectType, Category, null, null))
{
if (!DataHelper.DataSourceIsEmpty(ds))
{
foreach (DataRow dr in ds.Tables[0].Rows)
{
var mfi = new MetaFileInfo(dr);
if (mfi.MetaFileName.ToLowerCSafe() == uploader.CurrentFileName.ToLowerCSafe())
{
MetaFileInfoProvider.DeleteMetaFileInfo(mfi.MetaFileID);
}
}
}
}
RaiseOnAfterDelete();
SetupControls();
}
catch (Exception ex)
{
ViewState["DeletingFailed"] = true;
ShowError(ex.Message);
SetupControls();
}
}
