I have table:
{% for item in items %}
<tr>
<td>{{ forloop.counter }}</td>
<td>{{ item.field }}</td>
</tr>
{% for child in item.childs.all %}
<tr>
<td>{{ forloop.counter }}</td>
<td>{{ child.field }}</td>
</tr>
{% endfor %}
{% endfor %}
But the second forloop.counter counts inside the second loop from 1. I want to get only one counter for all rows. How to do it?
You could write a custom template tag to calculate the counter (assuming that each row has an equal number of columns):
#register.simple_tag
def abs_counter(row, col, col_total)
return return ((row - 1) * col_total) + col
and
{% for item in items %}
...
{% for child in items.children.all %}
{% abs_counter forloop.parentloop.counter forloop.counter items.children.all|length %}
{% endfor %}
{% endfor %}
Related
I have a django template below:
{% regroup budget.productitem_set.all by group_id as grouped_product_list %}
{% for entry in grouped_product_list %}
{% for item in entry.list %}
<tbody>
<tr>
<td>{{ item.description }}</td>
<td>{{ item.quantity }}</td>
<td>{{ item.group_id }}</td>
</tr>
</tbody>
{% endfor %}
{% endfor %}
What ends up happening:
ID QUANTITY GROUP_ID
test123 23 1
test123 24 1
What output I would like
ID QUANTITY GROUP_ID
test123 23 1
24
Your also Looping description and group_Id as well using the count item
Try
{% regroup budget.productitem_set.all by group_id as grouped_product_list %}
{% for entry in grouped_product_list %}
<tbody>
<tr>
<td>{{ entry.description }}</td>
{% for item in entry.list %}
<td>{{ item.quantity }}</td>
{% endfor %}
<td>{{ entry.group_id }}</td>
</tr>
</tbody>
{% endfor %}
<table>
{% for field in fields %}
<tr>
<td>{{ field.name }}</td>
<td>{{ field.value }}</td>
</tr>
{% endfor %}
</table>
here we will get all the data from fields . but i want to only get randomly 1/2 (i can specified how many) data in jinja2 template from backend ?
How to do this ?
<table>
{% for field in fields %}
{% if forloop.counter < x %}
<tr>
<td>{{ field.name }}</td>
<td>{{ field.value }}</td>
</tr>
{% endif %}
{% endfor %}
</table>
just put your desired number in x,you are good to go.
Try this. You can add this logic to the frontend. This way it will display records with even ID. and those will 1/2 as well.
<table>
{% for field in fields %}
<tr>
{% if field.id%2 == 0 %}
<td>{{ field.name }}</td>
<td>{{ field.value }}</td>
{% endif %}
</tr>
{% endfor %}
</table>
I have model (Event) and I want to have template with two ways to display items.
First row have to include two items, with special styling
Second one and next have to include three, with special styling
How can I do this with loop?
you can do like below
views.py
def view(request):
events = Event.objects.all()
l = []
for i in range(0,len(events), 5):
l.append((events[i:i+2], events[i+2:i+5]))
return render(request, "template.html", {"events": l})
template.html
{% for two_items, three_items in events %}
<tr class="class1">
{% for item in two_items %}
<td> {{ item }}</td>
{% endfor %}
<tr>
<tr class="class2">
{% for item in three_items %}
<td> {{ item }}</td>
{% endfor %}
<tr>
{% endfor %}
Combination of cycle and forloop tags will give you desired output:
For example:
{% for item in items %}
{% if forloop.counter < 3 %}
{% if forloop.first %}
<tr class="A">
{% endif %}
<td>{{ item }}</td>
{% endif %}
{% if forloop.counter == 3 %}
</tr>
{% endif %}
{% if forloop.counter >= 3 %}
{% cycle "<tr class='B'>" "" "" %}
<td>{{ item }}</td>
{% cycle "" "" "</tr>" %}
{% endif %}
{% endfor %}
In my models.py Task can have multiple Employer so I use ManyToManyField
In my views.py I got a date generator - it return range of 2 weeks from current day.
So here is my template
<table>
<thead>
<tr>
<th>{% trans 'employer_id' %}</th>
{% for i in date_range %}
<th>{{ i }}</th>
{% endfor %}
</tr>
</thead>
<tbody>
{% for employer in employers %}
<tr>
<td>{{ employer.employer_id }}</td>
{% for t in employer.task_set.all %}
<td>{{ t }}</td>
{% empty %}
<td>0</td>
{% endfor %}
</tr>
{% endfor %}
</tbody>
</table>
What I need is when I create a Task and assign it to employers, it should show me in the html table a start_date of Task of each employers for specific days.
So far I got this with codes above:
^date of tasks of these employers are not matching with days in the table header.
Instead of
{% for t in employer.task_set.all %}
<td>{{ t }}</td>
{% empty %}
<td>0</td>
{% endfor %}
you need to iterate over the dates again, since you're not creating <td>'s for each date.
{% for i in date_range %}
{% for t in employer.task_set.all %}
{% if t.start_date == i %}
<td>{{ t }}</td>
{% else %}
<td>-</td>
{% endif %}
{% empty %}
<td>0</td>
{% endfor %}
{% endfor %}
i made a nested list and from that id like to make a table in my template
list looks something like
ground_skills_available = [[category1, [skill1, skill2, skill3]], [category1, [skill1, skill2]]]
Now i want to list it that you got category with below the items, next category and other items. Problem is, i have no clue about hot to show only category, instead of category +all items, since you cant seem to use the index of a list?
Can someone please help me out?
<table>
{% for categories in ground_skills_available %}
{% for category in categories %}
<tr>
<td>{{ category }}</td>
</tr>
{% for skill in category %}
<tr>
<td>{{ skill.name }}</td>
</tr>
{% endfor %}
{% endfor %}
{% endfor %}
Change your outer loop to
{% for category, skills in ground_skills_available %}
This technique is described in the Django for loop docs.
On the first iteration of the loop, this will take the list [category1, [skill1, skill2, skill3], and assign
category = category1
skills = [skill1, skill2, skill3]
You can then display {{ category }}, and loop through skills.
Putting that together, you have:
<table>
{% for category, skills in ground_skills_available %}
<tr>
<td>{{ category }}</td>
</tr>
{% for skill in skills %}
<tr>
<td>{{ skill.name }}</td>
</tr>
{% endfor %}
{% endfor %}
</table>
{% if forloop.index == 1 %} ... some code ... {% endif %}
or
{% if forloop.index0 == 0 %} ... some code ... {% endif %}
Expectation:
{% for categories in ground_skills_available %}
{% for category in categories %}
{% if forloop.first %}
<tr>
<td>{{ category }}</td>
</tr>
{% else %}
{% for skill in category %}
<tr>
<td>{{ skill.name }}</td>
</tr>
{% endfor %}
{% endif %}
{% endfor %}
{% endfor %}