Re: Template/Form Errors and DynaTree.js

Hi Andreas,

Thanks for the reply.

On Thu, Feb 27, 2014 at 9:42 AM, Andreas Kuhne <andreas.kuhne@suitopia.com> wrote:

Hi Timothy,

What you probably have to do is submit the form in a ajax call via jquery for example. https://api.jquery.com/jQuery.ajax/

You create a request via the ajax method in jquery and then add a success and error handler. They only have to update the div you want to replace: $("#div_id").html(response).

This certainly seems like a reasonable approach.  The points I am unsure of is:

1)  how do I catch the template error in jQuery?

2) I suppose that I have to (somehow) catch the error in the ModelForm? 

3) then send that request to jQuery, somehow?  

My forms and views are pretty simple at this point.  Here are examples:

class DvCodedStringCreateView(CreateView):

    template_name = 'dvcodedstring_create.html'

    success_url = '/dashboard'

    model = DvCodedString

    form_class = DvCodedStringCreateForm

    fields = ['published','prj_name','data_name','lang','description','sem_attr','resource_uri','asserts',

                'terminology','term_subset','codes','t_code','t_string','t_name','t_abbrev','t_version',

                'min_length','max_length','exact_length','enums','enums_annotations','default_value',]

class DvCodedStringCreateForm(forms.ModelForm):

    class Meta:

        model = DvCodedString

        widgets = {

                    'data_name': TextInput(attrs={'size':90}),

                    'description': Textarea(attrs={'cols':80, 'rows':5,'wrap':'off'}),

                    'sem_attr': Textarea(attrs={'cols':15, 'rows':3,'wrap':'off'}),

                    'resource_uri': Textarea(attrs={'cols':60, 'rows':3,'wrap':'off'}),

                    'asserts': Textarea(attrs={'cols':80, 'rows':2,'wrap':'off'}),

                    'enums': Textarea(attrs={'cols':30, 'rows':5,'wrap':'off'}),

                    'enums_annotations': Textarea(attrs={'cols':50, 'rows':5,'wrap':'off'}),

                    't_code': Textarea(attrs={'cols':15, 'rows':5,'wrap':'off'}),

                    't_string': Textarea(attrs={'cols':30, 'rows':5,'wrap':'off'}),

                    't_abbrev': Textarea(attrs={'cols':10, 'rows':5,'wrap':'off'}),

                    't_version': Textarea(attrs={'cols':10, 'rows':5,'wrap':'off'}),

                    't_name': Textarea(attrs={'cols':40, 'rows':5,'wrap':'off'}),

                   }

Thanks in advance for any further guidance.  

--Tim

 

2014-02-27 12:38 GMT+01:00 Timothy W. Cook <tim@mlhim.org>:

I have no idea where to start on this problem. 

My application is work great using the admin UI but to enhance usability it is time for a new user interface.  

I am using dynatree.js to create a 'Project' tree with subelements (called PcTs) grouped into types;  IOW:  There are three levels before you get to an editable component.  Hence the reason to use a tree instead of paging through the admin UI.  

So my  UI (Selection_001.png)  uses <div> tags to layout the spaces.  Basically tree on the left and a larger editing space next to it.  My forms a re properly placed inside the scrollable <div>.  My problem is when I get an error in the form, how do I control it so that it is only displayed in the same <div> where the form was displayed?  What I get now is a full page reload. See Selection_002.png

The template does not use any extend or include directives.  It is a completely self contained HTML file.

There are forms and views for each of the PcTs. 

Any ideas on where to start working on this?  

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