Hey there
I have a small problem with using widgets for my form. I think the
problem lies in the fact that the form contains a select field which is
pulled from the database, and therefore needs to be "refreshed" every
time that data changes - this breaks links with
@validate(form=forms.myform), and from then on every time I submit an
invalid form I don't get messages and my data isn't populated.
Below is the code for my app. You'll notice a call to forms.refresh
after I save an adcode. It's saving an adcode which breaks everything.
The only solution I can think of is reloading the entire controller, but
it doesn't sound optimal to me. Could someone suggest another approach?
Thanks
-Rob
# controllers.py
import cherrypy
import turbogears
from turbogears.toolbox.catwalk import CatWalk
from turbogears import controllers
from turbogears import identity
from turbogears import widgets
from turbogears import validators
from turbogears.fastdata import *
import model
from model import *
class Forms:
def __init__(self):
self.refresh()
def refresh(self):
self.allprojects = widgets.TableForm(fields=[
widgets.SingleSelectField(name="projectid",
label="Project",
options=[(p.id, p.title) for p in
Project.select()], validator=validators.NotEmpty)
], submit_text="Edit")
self.project = widgets.TableForm(fields=[
widgets.TextField(name="title", label="Project
title", validator=validators.NotEmpty),
widgets.TextField(name="domain", label="Domain",
validator=validators.NotEmpty),
widgets.SingleSelectField(name="adcode",
label="Advertisements",
options=[(a.id, a.name) for a in
Adcode.select()], validator=validators.NotEmpty),
widgets.TextArea(name="copy", label="Copy",
validator=validators.NotEmpty),
widgets.TextArea(name="keywords",
label="Keywords", validator=validators.NotEmpty),
widgets.HiddenField(name="projectid")
], submit_text="Save")
self.alladcodes = widgets.TableForm(fields=[
widgets.SingleSelectField(name="adcodeid",
label="Adcode", validator=validators.NotEmpty,
options=[(a.id, a.name) for a in
Adcode.select()])
], submit_text="Edit")
self.adcodes = widgets.TableForm(fields=[
widgets.TextField(name="name",
validator=validators.NotEmpty),
widgets.TextArea(name="adcode",
validator=validators.NotEmpty),
widgets.HiddenField(name="adcodeid")
], submit_text="Save")
forms = Forms()
class Pyrgen(controllers.RootController):
catwalk = CatWalk(model, allowedHosts=["192.168.0.0/24"])
@turbogears.expose(template=".templates.index")
def index(self, tg_errors=None):
return dict(
title = "Manage Projects",
editprojectform = forms.allprojects,
projectform = forms.project
)
@turbogears.expose(template=".templates.adcodes")
def adcodes(self):
return dict(
title="Manage Adcodes",
all=forms.alladcodes,
form=forms.adcodes,
value={},
)
@turbogears.expose(template=".templates.index")
@turbogears.validate(form=forms.project)
@turbogears.error_handler(index)
def SaveProject(self, projectid, title, domain, adcode, copy,
keywords):
try:
p = Project.get(projectid)
p.title = title
p.domain = domain
p.adcode = adcode
p.copy = copy
except ValueError:
p = Project(
title=title,
domain=domain,
adcode=adcode,
copy=copy)
keywords = keywords.split("\n")
keywords = [ keyword.strip() for keyword in keywords if
keyword.strip() ]
for keyword in p.keywords:
p.removeKeyword(keyword)
for keyword in keywords:
try:
kw = Keyword.byKeyword(keyword)
except SQLObjectNotFound:
kw = Keyword(keyword=keyword)
p.addKeyword(kw)
turbogears.flash("Project saved")
return dict(
title="Project Saved",
editprojectform = forms.allprojects,
projectform = forms.project
)
@turbogears.expose(template=".templates.editproject")
def EditProject(self, projectid):
p = Project.get(projectid)
values = dict(
projectid=p.id,
title=p.title,
domain=p.domain,
adcode=p.adcode,
copy=p.copy,
keywords="\n".join([ kw.keyword for kw in
p.keywords ])
)
return dict(
title="Edit Project: "+p.title,
form=forms.project,
values=values
)
@turbogears.expose(template=".templates.adcodes")
@turbogears.validate(form=forms.adcodes)
def SaveAdcode(self, adcodeid, name, adcode):
try:
a = Adcode.get(adcodeid)
a.name = name
a.adcode = adcode
except:
a = Adcode(
name=name,
adcode=adcode,
)
turbogears.flash("Adcode Saved")
forms.refresh()
return dict(
title="Adcode Saved",
all=forms.alladcodes,
form=forms.adcodes,
value={}
)
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