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formset, yes there is one - online edit of handbook/troggle/trogforms.html

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Philip Sargent
2025-02-21 17:23:41 +00:00
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handbook/troggle/trogforms.html
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@@ -9,7 +9,7 @@
<h4>Django Forms History</h4> <h4>Django Forms History</h4>
<p>Django has several generations of quite different clever mechanisms to make creating HTML forms "easier". Yes, making them might be easier, but maintaining this opinionated stuff is a nightmare without adequately educating yourself how the architecture works. This will take time: do not hurry. <p>Django has several generations of quite different clever mechanisms to make creating HTML forms "easier". Yes, making them might be easier, but maintaining this opinionated stuff is a nightmare without adequately educating yourself how the architecture works. This will take time: do not hurry.
<p>WARNING: when reading the Django documentation on <a href="https://docs.djangoproject.com/en/5.1/topics/forms/">Forms</a> (unbound and <a href="https://docs.djangoproject.com/en/5.1/ref/forms/api/">bound</a>) and <a href="https://docs.djangoproject.com/en/dev/topics/forms/modelforms/">ModelForms</a>, do not get diverted into looking at Formsets or ModelFormsets. We do not use any formsets in troggle - of any kind. <p>WARNING: when reading the Django documentation on <a href="https://docs.djangoproject.com/en/5.1/topics/forms/">Forms</a> (unbound and <a href="https://docs.djangoproject.com/en/5.1/ref/forms/api/">bound</a>) and <a href="https://docs.djangoproject.com/en/dev/topics/forms/modelforms/">ModelForms</a>, do not get diverted into looking at Formsets or ModelFormsets. We do not use any formsets in troggle - of any kind[<a href="#bugger">*</a>].
<h3>Django 'Form' object</h3> <h3>Django 'Form' object</h3>
<ul> <ul>
@@ -30,7 +30,7 @@
<p>Hah, that was a nasty shock wasn't it? OK, most of that stuff is not the stuff which manages the data entry form. Concentrate on just the bits between the &lt;form&gt; ....&lt;/form&gt; tags. <p>Hah, that was a nasty shock wasn't it? OK, most of that stuff is not the stuff which manages the data entry form. Concentrate on just the bits between the &lt;form&gt; ....&lt;/form&gt; tags.
<p>It might help you at this point to remind yourself how an ordinary webapge works, without a form. So look at <a href="/logbookentry/2024-08-01/2024-08-01c">a logbook entry</a> which just displays the data and the corresponding template <a href="/repositories/troggle/.git/tree/templates/logbookentry.html">logbookentry.html</a>... OK, not such a good idea: that is quite complicated. See <a href="#forloop">For loop</a> below. <p>It might help you at this point to remind yourself how an ordinary webpage works, without a form. So look at <a href="/logbookentry/2024-08-01/2024-08-01c">a logbook entry</a> which just displays the data and the corresponding template <a href="/repositories/troggle/.git/tree/templates/logbookentry.html">logbookentry.html</a>... OK, not such a good idea: that is quite complicated. See <a href="#forloop">For loop</a> below.
<h4>HTML &lt;form&gt and fields</h4> <h4>HTML &lt;form&gt and fields</h4>
But if you haven't worked with HTML forms before, then you actually have <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/form">a whole lot of HTML</a> you will need to learn from scratch: how the <code>&lt;form&gt; ....&lt;/form&gt; </code> tag works, and how fields and labels and stuff works, and "input" and "textarea" and "submit", and how tag attributes such as "disabled" or "required" work. But if you haven't worked with HTML forms before, then you actually have <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/form">a whole lot of HTML</a> you will need to learn from scratch: how the <code>&lt;form&gt; ....&lt;/form&gt; </code> tag works, and how fields and labels and stuff works, and "input" and "textarea" and "submit", and how tag attributes such as "disabled" or "required" work.
@@ -54,7 +54,8 @@ But if you haven't worked with HTML forms before, then you actually have <a href
<p>For the relationship between LogBookEntry and PersonLogEntry click on <p>For the relationship between LogBookEntry and PersonLogEntry click on
<a href="../l/trogclass-1.html">the Class diagram</a> on the right. <a href="../l/trogclass-1.html">the Class diagram</a> on the right.
<h4 id="bugger">Oh bugger</h4>
<p>Yes there is one FormSet, sorry. The joint Cave-and-Entrance thing.
<hr /> <hr />
Go on to: <a href="trogdjangup.html">Troggle: updating Django</a><br /> Go on to: <a href="trogdjangup.html">Troggle: updating Django</a><br />
Return to: <a href="trognotes.html">Troggle programmers' guide</a><br /> Return to: <a href="trognotes.html">Troggle programmers' guide</a><br />