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  • Writing custom Django form fields and widgets

    - by hekevintran
    Django has very good documentation that describes how to write custom database fields and custom template tags and filters. I cannot find the document that describes how to write custom form fields and widgets. Does this document exist? The way I've been able to write custom form fields and widgets is by reading the Django source code and imitating what I see there. I know that there are still things about implementing fields and widgets that I do not completely understand because I have not read any high level document that describes their interfaces.

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  • Update Input Value With jQuery, Old Value Submitted to Form

    - by Tyler DeWitt
    I've got a form with an input with id/name league_id <form accept-charset="UTF-8" action="/user" method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8" type="hidden" value="?"><input name="authenticity_token" type="hidden" value="bb92urX83ivxOZZJzWLJMcr5ZSuamowO9O9Sxh5gqKo="></div> <input id="league_id" name="league_id" type="text" value="11"> <select class="sport_selector" id="sport_type_id" name="sport_type_id"><option value="5" selected="selected">Football</option> <option value="25">Women's Soccer</option> <option value="30">Volleyball</option> <option value="10">Men's Soccer</option></select> <input name="commit" type="submit" value="Save changes"> </form> In another part of my page, I have a drop down that, when changed, clears the value of league_id $("#sport_type_id").change -> $("#league_id").val(null) $(this).parents('form:first').submit() If I debug this page, I can see the value get wiped from the text box, but when the form is submitted, my controller always gets the old value. I tried changing the name of the input and got the same results.

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  • CSS image for submit button - clicking image must submit form

    - by Tom
    Please help, I have a form on wordpress. I want the user to be able to click an image instead of the standard submit button. I have the image appear and the submit button disappear - but nothing happens when I click on the image. This is the code I am using: .formBuilderForm .formBuilderSubmit { clear: both; text-align: right; display:block; width:228px; height:49px; background: url(my image url) no-repeat; text-indent:-999em; Before you say "google it" or try search: I have tried the methods mentioned here: http://www.queness.com/post/798/5-techniques-to-style-buttons-using-images-and-css I've read similar posts such as this on stackoverflow but they don't solve my frustratingly simple problem. How to change input button image using CSS? Thanks for your help.

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  • Saving a Django form with a Many2Many field with through table

    - by PhilGo20
    So I have this model with multiple Many2Many relationship. 2 of those (EventCategorizing and EventLocation are through tables/intermediary models) class Event(models.Model): """ Event information for Way-finding and Navigator application""" categories = models.ManyToManyField('EventCategorizing', null=True, blank=True, help_text="categories associated with the location") #categories associated with the location images = models.ManyToManyField(KMSImageP, null=True, blank=True) #images related to the event creator = models.ForeignKey(User, verbose_name=_('creator'), related_name="%(class)s_created") locations = models.ManyToManyField('EventLocation', null=True, blank=True) In my view, I first need to save the creator as the request user, so I use the commit=False parameter to get the form values. if event_form.is_valid(): event = event_form.save(commit=False) #we save the request user as the creator event.creator = request.user event.save() event = event_form.save_m2m() event.save() I get the following error: *** TypeError: 'EventCategorizing' instance expected I can manually add the M2M relationship to my "event" instance, but I am sure there is a simpler way. Am I missing on something ?

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  • Passing javascript form variables into jQuery function not working

    - by Chase
    I am trying to pass some JavaScript variables that I have assigned to form variables into a query string used by a jQuery plug in called fancybox. If I hard code in the string that I want lightbox works great, however I need it to pass some form values in there to make it work as desire. <script type="text/javascript"> $(document).ready(function(){ var item = document.itemFinder.item; var zip = document.itemFinder.zip; var radius = document.itemFinder.radius; var dataString = "item=" + item + "&zip=" + zip + "&radius=" + radius; $("#various3").fancybox({ ajax : { type : "POST", data : dataString}, 'scrolling' : 'auto', 'overlayOpacity' : '0' } ); }); </script> What am I doing wrong?

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  • Best Practice: Accessing radio button group

    - by seth
    Looking for the best, standards compliant, cross browser compatible, forwards compatible way to access a group of radio buttons in the DOM (this is closely related to my other most recent post...), without the use of any external libraries. <input type="radio" value="1" name="myRadios" />One<br /> <input type="radio" value="2" name="myRadios" />Two<br /> I've read conflicting information on getElementsByName(), which seems like the proper way to do this, but I'm unclear if this is a standards compliant, forwards compatible solution. Perhaps there is a better way?

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  • Problems using jQuery $.ajax to pass data

    - by iboeno
    I'm using ASP.NET and attempting to call a method with a signature of [WebMethod] public static string GetInfo(string id){...} using the following javascript: var elementValue = $("#element").attr('id'); var d = "{id : " + elementValue + "}"; $.ajax({ type: "POST", url: "../WebPage.aspx/GetInfo", data: d, contentType: "application/json; charset=utf-8", dataType: "json", success: function(msg) { //do this } }); And this is not working. If instead I set elementValue = 2; it works fine. If I try to hardcode in a string value for testing purposes e.g. elementValue = "nameToLookUp"; It fails. Why is this happening, and how do I resolve it? On a side not, why is type: required to be POST instead of a GET? In the end I just want to pass a string value I want to look up in a DB and retrieving some json data.

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  • Submit pdf form fields to a HTTP POST request

    - by Josjojo
    I've made a pdf form in Adobe Acrobat. Now I want to make a button that submits the form to a HTTP POST request. I have searched for about 4 hours, but I have not found an example to do this. Here I read that it is possible to send the pdf form fields with a HTTP submission, but there's also no example given: http://acrobatusers.com/tutorials/form-submit-e-mail-demystified I'm looking for a JavaScript example that I can link to the submit button.

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  • Overriding the default error message for a ModelForm

    - by Jude Osborn
    Is there any way to override a error_message text for all the fields of a ModelForm's, without having to include all the field info in the ModelForm? For example, let's say I have a (very simple) model like this: People(models.Model): name = models.CharField(max_length=128, null=True, blank=True, help_text="Please type your name.") age = models.IntegerField(help_text="Please type your age.") I don't like the cut and dry default messages, such as, "Enter a whole number.", so I'd like to change them to something a bit nicer like "Please type a number." Ideally I'd be able to add an "error_message" property in the model, but the model does not support that property. So does that mean I have to basically duplicate all the model info in my ModelForm, or is there a way around that?

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  • C Builder TForm not allocated or created properly all its controls

    - by ergey
    Hi, I would know how i can check that all the controls on the form is created and initialized. I have form i am showing when user presses the 'update' button. It have only TProgressBar control. The handle is not NULL for this control and at random stages it can or can't set the Position/Max values. When i set TProgressBar-Max value to some integer it remains 0 after. So the question is: 1) How to really create the form and all controls on it (i am currently using just Form-Show() method, which as i can check calls the constructor) 2) How to check that all controls on the form is created and PAINTED (showed) Thanks

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  • Store form values for later submission

    - by kim griggs
    I have a Rails app that lets users create tutorials and quizzes. There are many users taking the quizzes and many quizzes in a tutorial. My client wants the quiz results to persist when a student navigates away from the quiz. So the use case would be: User starts to take quiz User answers some of the questions User navigates away from quiz to check a fact in the tutorial User goes back to quiz and their answers are still there User finishes quiz and submits Now this would be pretty easy to do if I enforced a "Save" submit so that the answers could be stored in a session or whatever, but the client (and I agree) thinks people will not remember to save before navigating away. Looking for advice on how to approach this. I'm thinking an observer and cookies.

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  • Is there any way to get all the controls on a container control?

    - by Mason Wheeler
    I've got a form with a bunch of controls on it, and I wanted to iterate through all the controls on a certain panel and enable/disable them. I tried this: var component: TComponent; begin for component in myPanel do (component as TControl).Enabled := Value; end; But that did nothing. Turns out all components are in the form's component collection, not their parent object's. So does anyone know if there's any way to get all the controls inside a control? (Besides an ugly workaround like this, which is what I ended up having to do): var component: TComponent; begin for component in myPanel do if (component is TControl) and (TControl(component).parent = myPanel) then TControl(component).Enabled := Value; end; Someone please tell me there's a better way...

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  • Submit a form and get a JSON response with jQuery

    - by Leopd
    I expect this is easy, but I'm not finding a simple explanation anywhere of how to do this. I have a standard HTML form like this: <form name="new_post" action="process_form.json" method=POST> <label>Title:</label> <input id="post_title" name="post.title" type="text" /><br/> <label>Name:</label><br/> <input id="post_name" name="post.name" type="text" /><br/> <label>Content:</label><br/> <textarea cols="40" id="post_content" name="post.content" rows="20"></textarea> <input id="new_post_submit" type="submit" value="Create" /> </form> I'd like to have javascript (using jQuery) submit the form to the form's action (process_form.json), and receive a JSON response from the server. Then I'll have a javascript function that runs in response to the JSON response, like function form_success(json) { alert('Your form submission worked'); // process json response } How do I wire up the form submit button to call my form_success method when done? Also it should override the browser's own navigation, since I don't want to leave the page. Or should I move the button out of the form to do that?

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  • Override Django inlineformset_factory has_changed() to always return True

    - by John
    Hi, I am using the django inlineformset_factory function. a = get_object_or_404(ModelA, pk=id) FormSet = inlineformset_factory(ModelA, ModelB) if request.method == 'POST': metaform = FormSet (instance=a, data=request.POST) if metaform.is_valid(): f = metaform.save(commit=False) for instance in f: instance.updated_by = request.user instance.save() else: metaform = FormSet(instance=a) return render_to_response('nodes/form.html', {'form':metaform}) What is happening is that if I change any of the data then everything works ok and all the data gets updated. However if I don't change any of the data then the data is not updated. i.e. only entries which are changed go through the for loop to be saved. I guess this makes sense as there is no point saving data if it has not changed. However I need to go through and save every object in the form regardless of whether it has any changes on not. So my question is how do I override this so that it goes through and saves every record whether it has any changes or not? Hope this makes sense Thanks

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  • How to make Multi-Pane GUI in WPF or C#?

    - by xarzu
    I have seen this user interface in some screen shots of some RSS Readers. It is a multi-pane user interface. THere are three panels or "panes" to the window, in other words, the window is divided into three parts and the user is able to mouse over the division and click on the seperation bar and resize the section. How is this sort of GUI developed in C#?

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  • form tag - is it required on ajax sites?

    - by benpage
    i recently was working on an ASP.NET MVC site that basically serves static html and uses ajax gets to return data to the page when inputs are changed. there is actually no posting or getting from an html input tag on the pages at all. (it is a specific style of site that is not used by the general public, so having compatibility problems for people without javascript is not an issue) after designing the site, i realised that i hadn't even included any form tags. as the site does not use any direct posts or gets, and apart from it being just good html design, i wondered, in my particular situation, if there was any point to having any form tags on the page?

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  • indicate tuncation in ToolTipStatusLabel automatically

    - by harper
    I have a .NET application with a StatusStrip holding three ToolTipStatusLabels. The Text of the labels are filled from the application as they show the status. For some circumstances they can hold an empty text. When I resize the window, the ToolTipStatusLabels are hidden when they cannot be fit in the StatusStrip. I would like to have the text truncated when the label cannot be fit in the StatusStrip. The default behavior to hide the label makes it difficult to distinguish between empty text or hidden label. To indicate that the text is truncated automatically, this should be indicated with an ellipsis (...). How can this be done?

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  • Contact form with php-script does not work

    - by elajjas
    I'm new to the forum and I have been trying to find a thread that could be helpful but nothing have been working out so far. I recently uploaded my site via FTP, and it works fine. Except for one thing, my contact form. The contact form is crucial and it is almost the whole point of the website. I don't get any emails "from the form", either in my spam-folder or inbox. Please have a look at the website which is: http://www.adspot.se The contact form is situated on: http://www.adspot.se/contact.html The php script looks like this: <?php if (isset($_REQUEST['email'])) //if "email" is filled out, send email { //send email $name = $_REQUEST['name'] ; $email = $_REQUEST['email'] ; $message = $_REQUEST['message'] ; mail("[email protected]", $name, $message, "From:" . $email); } ?> I've already tried different types of php-scripts, but it still doesn't seem to work. UPDATE: Changed the form code to: <form method="POST" action="email.php"> <div class="row half"> <div class="6u"> <input name="name" placeholder="Name" type="text" class="text" /> </div> <div class="6u"> <input name="email" placeholder="Email" type="text" class="text" /> </div> </div> <div class="row half"> <div class="12u"> <textarea name="message" placeholder="Message"></textarea> </div> </div> <div class="row half"> <div class="12u"> <ul class="action"> <input type="submit" class="action"> </ul> </div> </div> </form> Now it redirects me to www.adspot.se/email.php but still no emails received...

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  • Examples of fast .NET WPF/WinForms apps?

    - by mythz
    I am currently investigating whether to build a windows application using unmanaged C/C++ or in .NET and would like to know of the kind of performance and responsiveness that is capable with a managed C#/.NET GUI app? Not surprisingly it looks like the fastest most responsive applications (e.g. chrome, spotify, etc) are written in unmanaged C/C++. I've had a hard time finding examples of really good .NET applications and so I would like some help. What's the best example of a fast and responsive .NET windows application?

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  • Joomla contact form doesn't pass W3C validation

    - by aramaz
    Hi, I get the following error when I try to validate a contact page on my site: document type does not allow element "script" here The element named above was found in a context where it is not allowed. This could mean that you have incorrectly nested elements -- such as a "style" element in the "body" section instead of inside "head" -- or two elements that overlap (which is not allowed). One common cause for this error is the use of XHTML syntax in HTML documents. Due to HTML's rules of implicitly closed elements, this error can create cascading effects. For instance, using XHTML's "self-closing" tags for "meta" and "link" in the "head" section of a HTML document may cause the parser to infer the end of the "head" section and the beginning of the "body" section (where "link" and "meta" are not allowed; hence the reported error). I am using Joomla 1.5.7, and the doctype is <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> Any idea how to fix this?

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  • Elegant way to reverse order Formtastic nested objects?

    - by stephan.com
    I'm presenting a list of items to the user with a field for a new item, like this: - current_user.tasks.build - semantic_form_for current_user do |f| - f.semantic_fields_for :tasks do |t| - t.inputs do = t.input :_destroy, :as => :boolean, :label => '' - if t.object.new_record? = t.input :name, :label => false - else = t.object.name Which looks lovely and works like a charm. My only problem is I want the new record at the TOP of the list, not the bottom. Is there an elegant and easy way to do this, or am I going to have to do the new element separately, or loop through the list manually?

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  • How do I create an empty Django formset using modelformset_factory?

    - by nbolton
    I'm creating a formset, but it seems to populate it with all of the existing data in the table for that object. I can't figure out how to start with a blank formset; the only way seems to be to delete all of the data from the table, but clearly this isn't an option. I will post code if necessary (but there's lots of it, so knowing what is relevant is tricky).

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  • Step by Step validation with jquery validation plugin

    - by Alex
    I know its been asked many times already but no one could come up with solution so far. The idea is to have one form separated into few steps and validate each step on next click of the button. I know jquery validation plugin is offering quite complicated way of doing it with accordion but can anyone come up with a simple solution something like var stepOne = { rules: { fieldname1: "required", fieldname2: "required", } } $("form").validate(stepOne); //onclick hope someone could suggest the best way of doing it. Thanks.

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