Oh......... I have use dir(doc) here, and got its attributes, now I know how to use it! But I still think the documentation should be more detail
On 12月27日, 上午3时31分, Chen Houwu <[email protected]> wrote: > 1. thanks for the reply, for the second question, I have tried your > solution, and it works! > > 2. for the first question. Here is my code > ------------------------------------------------------ > class MyController(BaseController) > class DocForm(TableForm): > class fields(WidgetsList): > name = TextField(validator=NotEmpty(strip=True)) > doc=FileField() > description = TextArea(rows=3, cols=25) > > @expose('docman.templates.add_doc') > @require(not_anonymous()) > def add_doc(self, **kw): > tmpl_context.form=self.FileForm(action=tg.url > ('add_doc_handler') ) > tmpl_context.dir=DBSession.query(Directory).get(self.dir_id) > return > > @validate(form=DocForm(), error_handler=add_doc) > @expose() > @require(not_anonymous()) > def add_doc_handler(self, doc, name, description): > #******************************* > #how can I use the 'doc' parameter? Is there any description? > #********************************* > ----------------------------------------------------- > > I find the following documentation from the formencode website: > > ----------------------------------------------- > class formencode.validators.FileUploadKeeper(*args, **kw)¶ > > Takes two inputs (a dictionary with keys static and upload) and > converts them into one value on the Python side (a dictionary with > filename and content keys). The upload takes priority over the static > value. The filename may be None if it can’t be discovered. > > Handles uploads of both text and cgi.FieldStorage upload values. > > This is basically for use when you have an upload field, and you > want to keep the upload around even if the rest of the form submission > fails. When converting back to the form submission, there may be extra > values 'original_filename' and 'original_content', which may want to > use in your form to show the user you still have their content around. > > To use this, make sure you are using variabledecode, then use > something like: > > <input type="file" name="myfield.upload"> > <input type="hidden" name="myfield.static"> > > Then in your scheme: > > class MyScheme(Scheme): > myfield = FileUploadKeeper() > > Note that big file uploads mean big hidden fields, and lots of > bytes passed back and forth in the case of an error. > -------------------------------------------------- > does it mean i can use 'doc.original_filename' and > 'doc.original_content' here? > > On 12月27日, 上午2时48分, "Jorge Vargas" <[email protected]> wrote: > > > On Fri, Dec 26, 2008 at 12:39 PM, Chen Houwu <[email protected]> wrote: > > > > Current I am develop some web application with TG2, but I can't solve > > > the follown problem: > > > > 1. How to use FileFields? > > > This works exactly was any other field, is your problem on the > > controller or the rendering part? > > if it's at the controller part you need, a "special" controller to > > upload the file, go a search of the group as several implementations > > have been posted. Including mine. > > > > 2. How to give a TextField a default value? > > > you pass the value at render time. For example if you have a widget, > > named "widget" and it has a "case_id" field the following code will > > set it to " > > > ${tmpl_context.widget(dict(case_id=value))} > > > > I can't find any example about them. > > > Event from the source code, I can't get suffient clue. > > > > Thanks very much. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "TurboGears" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/turbogears?hl=en -~----------~----~----~----~------~----~------~--~---
