void PreEditPage(PageEntry pe)
{
if (Request.Form.Count == 0)
{
Page page = null;
if (SprocketPath.Sections.Length <= 3)
{
page = new Page(0, 0, "Untitled Page", "", "", "", true, "", "text/html", DateTime.UtcNow, null);
}
else
{
long pageID;
if (long.TryParse(SprocketPath.Sections[3], out pageID))
{
try
{
DatabaseManager.DatabaseEngine.GetConnection();
page = ContentManager.Instance.DataProvider.SelectPage(pageID);
FormValues.Set("Revision", null, page.RevisionInformation, false);
FormValues.Set("AllRevisions", null, page.RevisionInformation, false);
}
finally
{
DatabaseManager.DatabaseEngine.ReleaseConnection();
}
}
}
FormValues.Set("Page", page == null ? "The requested page was not found." : null, page, page == null);
}
}
public object Evaluate(Token contextToken, List <ExpressionArgument> args, ExecutionState state)
{
foreach (ExpressionArgument arg in args)
{
string s = args[0].Expression.Evaluate(state, arg.Token) as string;
if (FormValues.IsError(s))
{
return(FormValues.Get(s).Message);
}
}
return("");
}
public object Evaluate(Token contextToken, List <ExpressionArgument> args, ExecutionState state)
{
if (args.Count != 2)
{
throw new InstructionExecutionException("CheckedAttribute requires two arguments; the name of the field and the default check state (true/false)", contextToken);
}
string fieldname = args[0].Expression.Evaluate(state, args[0].Token) as string;
if (FormValues.HasValue(fieldname))
{
object s = FormValues.Get(fieldname).Value;
return(BooleanExpression.False.Equals(s) ? "" : " checked");
}
object o = args[1].Expression.Evaluate(state, args[1].Token);
return(BooleanExpression.True.Equals(o) ? " checked" : "");
}
public object Evaluate(Token contextToken, List <ExpressionArgument> args, ExecutionState state)
{
if (args.Count != 2)
{
throw new InstructionExecutionException("The FormField expression must take two arguments. The first is the name of the field, "
+ "the second is the default value to use if no value has been preset for that field name.", contextToken);
}
string fieldname = args[0].Expression.Evaluate(state, args[0].Token) as string;
if (FormValues.HasValue(fieldname))
{
return(FormValues.Get(fieldname));
}
FormValues.FormFieldInfo fld = new FormValues.FormFieldInfo();
fld.IsError = false;
fld.Message = "";
fld.Name = fieldname;
fld.Value = args[1].Expression.Evaluate(state, args[1].Token);
return(fld);
}
public Result ValidateFormField(string fieldName)
{
object value = null;
string val = HttpContext.Current.Request.Form[fieldName] ?? "";
Result result = new Result();
switch (fieldName)
{
case "PageID": value = pageID = long.TryParse(val, out pageID) ? pageID : 0; break;
case "RevisionID": value = revisionID = long.TryParse(val, out revisionID) ? pageID : 0; break;
case "PageCode": value = pageCode = val.Trim(); break;
case "PageName": value = pageName = (val == String.Empty ? "Untitled Page" : val).Trim(); break;
case "Requestable": value = requestable = StringUtilities.BoolFromString(val); break;
case "RequestPath":
value = requestPath = val.Trim().Replace(" ", "-");
if (!Uri.IsWellFormedUriString("http://localhost/" + requestPath + "/", UriKind.Absolute))
{
result.SetFailed("The specified URL is badly formed. Make sure you haven't typed in any invalid characters.");
}
break;
case "TemplateName":
value = templateName = val.Trim();
if (templateName != String.Empty)
{
if (ContentManager.Templates[templateName] == null)
{
result.SetFailed("The template \"" + templateName + "\" is not valid. It may have been deleted.");
}
}
break;
case "PublishDate":
{
if (!DateTime.TryParseExact(val, "yyyy-MM-dd hh:mmtt", DateTimeFormatInfo.CurrentInfo, DateTimeStyles.AllowWhiteSpaces, out publishDate))
{
if (!DateTime.TryParse(val, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowWhiteSpaces, out publishDate))
{
result.SetFailed("The publish date should be in the format yyyy-mm-dd hh:mmtt (see the grey help text for that field)");
}
}
}
break;
case "ExpiryDate":
{
DateTime dt = DateTime.MinValue;
if (val.Trim() == String.Empty)
{
expiryDate = null;
}
else if (!DateTime.TryParseExact(val, "yyyy-MM-dd hh:mmtt", DateTimeFormatInfo.CurrentInfo, DateTimeStyles.AllowWhiteSpaces, out dt))
{
if (!DateTime.TryParse(val, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowWhiteSpaces, out dt))
{
result.SetFailed("The expiry date should be in the format yyyy-mm-dd hh:mmtt (see the grey help text for that field)");
}
}
if (dt != DateTime.MinValue)
{
expiryDate = dt;
}
}
break;
case "ContentType": value = contentType = val.Trim(); break;
}
FormValues.Set(fieldName, result.Message, value, !result.Succeeded);
return(result);
}
void SavePage()
{
Result result = new Result();
long pageID = -1;
long.TryParse(Request.Form["PageID"], out pageID);
bool wasDraft = false;
Page page;
if (pageID == 0)
{
page = new Page();
}
else
{
page = ContentManager.Instance.DataProvider.SelectPage(pageID);
}
if (page == null)
{
WebUtility.Redirect("admin/pages/edit/notfound");
return;
}
else if (pageID != 0)
{
if (page.RevisionInformation.Draft)
{
wasDraft = true;
}
}
// load the page's existing content for comparison against newly-submitted content
List <PreparedPageAdminSection> sectionlist = page.AdminSectionList;
string prevTemplateName = page.TemplateName;
Template prevTemplate = ContentManager.Templates[prevTemplateName];
// read in the selected page categories and cause an error if any requirements were not satisfied
Dictionary <string, List <string> > pagecategories = new Dictionary <string, List <string> >();
if (prevTemplate != null)
{
foreach (CategorySet catset in prevTemplate.CategorySets)
{
if (catset.AllowMultiple)
{
List <string> cats = new List <string>();
if (Request.Form["_$CategorySet_" + catset.Name] != null)
{
foreach (string val in Request.Form.GetValues("_$CategorySet_" + catset.Name))
{
cats.Add(val);
}
}
foreach (Category cat in catset.Categories)
{
if (cats.Contains(cat.Text))
{
List <string> catlist;
if (!pagecategories.TryGetValue(catset.Name, out catlist))
{
catlist = new List <string>();
pagecategories.Add(catset.Name, catlist);
}
catlist.Add(cat.Text);
}
}
if (!pagecategories.ContainsKey(catset.Name) && catset.Required)
{
result.Merge(new Result("You must make at least one selection from the \"" + catset.Name + "\" category."));
}
}
else
{
string val = Request.Form["_$CategorySet_" + catset.Name];
bool found = false;
foreach (Category cat in catset.Categories)
{
if (cat.Text == val)
{
found = true;
break;
}
}
if (!found && catset.Required)
{
result.Merge(new Result("You must make a selection from the \"" + catset.Name + "\" category."));
}
else if (found)
{
List <string> catlist;
if (!pagecategories.TryGetValue(catset.Name, out catlist))
{
catlist = new List <string>();
pagecategories.Add(catset.Name, catlist);
}
catlist.Add(val);
}
}
}
}
page.CategorySelections = pagecategories;
result.Merge(page.ValidateFormField("PageName"));
result.Merge(page.ValidateFormField("Requestable"));
result.Merge(page.ValidateFormField("RequestPath"));
result.Merge(page.ValidateFormField("TemplateName"));
result.Merge(page.ValidateFormField("ContentType"));
result.Merge(page.ValidateFormField("PublishDate"));
result.Merge(page.ValidateFormField("ExpiryDate"));
FormValues.Set("Page", result.Message, page, !result.Succeeded);
bool success = false;
try
{
using (TransactionScope scope = new TransactionScope())
{
DatabaseManager.DatabaseEngine.GetConnection();
if (result.Succeeded)
{
if (page.PageID == 0)
{
result = page.SaveRevision("Created new page \"" + page.PageName + "\".", true, false, false);
}
else
{
result = page.SaveRevision(Request.Form["RevisionNotes"].Trim(),
StringUtilities.BoolFromString(Request.Form["Draft"]),
StringUtilities.BoolFromString(Request.Form["Hidden"]),
StringUtilities.BoolFromString(Request.Form["Deleted"]));
}
if (result.Succeeded)
{
// now save all fields of the selected template. use the previously-selected template for field selection
// as it will reflect any fields that were available in the form in that has just been submitted. if the
// page is newly-created or has just come from a state where no template was selected, then there will be
// no fields and thus we can skip this step.
if (prevTemplateName != String.Empty && page.PageID != 0 && sectionlist.Count > 0)
{
foreach (PreparedPageAdminSection section in sectionlist)
{
int rank = 0;
foreach (EditFieldInfo fld in section.FieldList)
{
if (fld.DataHandler == null)
{
continue;
}
// todo: implement optional validation and thus use the returned Result value from ReadAdminField,
// combined with FormValues.Set() and associated expressions in the page editor html file.
IEditFieldData data;
fld.Handler.ReadAdminField(out data);
bool isdifferent = fld.Handler.IsContentDifferent(fld.Data, data) || fld.DataID == 0;
if (isdifferent)
{
fld.Data = data;
fld.DataID = 0;
}
fld.Rank = rank++;
// we stil loop through each field to make sure the values are read from the form. if a failure has
// occurred at some point though, the following checks ensure we don't bother trying to hit the db.
if (result.Succeeded)
{
result.Merge(ContentManager.Instance.DataProvider.StoreEditFieldInfo(page.RevisionID, fld));
}
if (result.Succeeded && isdifferent)
{
result.Merge(fld.DataHandler.SaveData(fld.DataID, fld.Data));
}
}
}
}
// if this was a draft page and now it's not, delete the old draft revisions as they're no longer required
if (result.Succeeded && wasDraft && !page.RevisionInformation.Draft)
{
result = ContentManager.Instance.DataProvider.DeleteDraftRevisions(page.PageID);
}
if (result.Succeeded)
{
success = true;
scope.Complete();
}
else
{
FormValues.Set("Page", result.Message, null, true);
}
}
}
}
}
finally
{
DatabaseManager.DatabaseEngine.ReleaseConnection();
}
if (success)
{
WebUtility.Redirect("admin/pages/edit/" + page.PageID + "/?saved");
}
}
