Ross
450 lines
18 KiB
Python
450 lines
18 KiB
Python
from django.urls import reverse
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import django_tables2 as tables
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from django_tables2.utils import A
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from django.utils.html import format_html
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from django.utils.safestring import mark_safe
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from easy_thumbnails.files import get_thumbnailer
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from easy_thumbnails.exceptions import InvalidImageFormatError
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from generic.models import CidUser, Examination, Supervisor, findMiddle
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from django.contrib.auth.models import User
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# Generic selection-enabled table base class.
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# Inherit from this class to automatically get a selection checkbox
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# column (input name="selection") and table attrs that client-side
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# scripts can use to find selectable tables.
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class SelectionTable(tables.Table):
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# Provide a default selection checkbox column. Subclasses that wish to
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# customise can override this attribute.
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selection = tables.CheckBoxColumn(
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accessor="pk",
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orderable=False,
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attrs={
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'th': {'class': 'selection-col'},
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'td': {'class': 'selection-col'},
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'input': {'name': 'selection'},
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},
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verbose_name=''
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)
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class Meta:
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# Defaults: add js-row-selectable class so client-side code can
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# locate tables that support row selection.
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attrs = {"class": "table js-row-selectable", "data-selection-name": "selection"}
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def __init__(self, *args, **kwargs):
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# Ensure selection column is always placed last in the column order
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# so that table actions/controls appear to the right. We attempt to
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# reorder columns after initialization; if django-tables2 provides
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# `reorder_columns`, use it, otherwise fall back to setting
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# `self.sequence`.
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super().__init__(*args, **kwargs)
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try:
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cols = list(self.columns.names())
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if 'selection' in cols:
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cols.remove('selection')
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cols.append('selection')
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try:
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# Preferred API when available
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self.reorder_columns(cols)
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except Exception:
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# Fallback: set sequence attribute
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self.sequence = tuple(cols)
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except Exception:
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# Defensive: don't break table rendering if introspection fails
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pass
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# Expose a per-instance selection token and ensure the table has the
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# `js-row-selectable` class so client-side scripts (or the inline
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# initializer below) can find the correct table without extra markup
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# in templates.
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try:
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token = format(id(self), 'x')
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attrs = getattr(self, 'attrs', None) or {}
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classes = attrs.get('class', '')
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if 'js-row-selectable' not in classes:
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attrs['class'] = (classes + ' js-row-selectable').strip()
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attrs['data-selection-token'] = token
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self.attrs = attrs
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except Exception:
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# non-fatal
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pass
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# By default render the row selection controls above the table so
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# templates don't need to include `{{ table.row_selection_controls }}`.
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try:
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# `row_selection_controls` is already marked safe HTML.
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self.caption = self.row_selection_controls
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except Exception:
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pass
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@property
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def row_selection_controls(self):
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"""Return HTML for the row-selection control bar.
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Usage: render in template with `{{ table.row_selection_controls|safe }}`
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The control IDs are suffixed with a small per-instance token to
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avoid collisions when multiple tables are present on the same page.
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"""
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token = (self.attrs or {}).get('data-selection-token', format(id(self), 'x'))
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html = (
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"<div class=\"d-flex justify-content-between align-items-center mb-2\">"
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" <div>"
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" <button class=\"btn btn-outline-secondary btn-sm\" id=\"toggle-row-selection-{}\" type=\"button\">Enable row selection</button>"
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" <div id=\"selection-controls-{}\" class=\"btn-group ms-2\" role=\"group\" style=\"display:none;\">"
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" <button type=\"button\" class=\"btn btn-sm btn-outline-primary\" id=\"select-all-{}\">Select all</button>"
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" <button type=\"button\" class=\"btn btn-sm btn-outline-secondary\" id=\"clear-selection-{}\">Clear</button>"
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" </div>"
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" </div>"
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" <div>"
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" <small class=\"text-muted\">Selected: <span id=\"selected-count-{}\">0</span></small>"
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" </div>"
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"</div>"
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).format(token, token, token, token, token)
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# Append a small inline initializer that wires the controls to the
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# specific table instance. This moves the behaviour into the server
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# side table class so pages don't need global wiring.
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script = (
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"<script>(function(){"
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"var token='{t}';"
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"var toggleBtn=document.getElementById('toggle-row-selection-'+token);"
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"if(!toggleBtn) return;"
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"var controlsEl=document.getElementById('selection-controls-'+token);"
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"var selectAllBtn=document.getElementById('select-all-'+token);"
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"var clearBtn=document.getElementById('clear-selection-'+token);"
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"var selectedCountSpan=document.getElementById('selected-count-'+token);"
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"var table=document.querySelector('table.js-row-selectable[data-selection-token=\"'+token+'\"]');"
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"if(!table) return;"
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"var selectionEnabled=false;"
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"function findRowCheckboxes(){"
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" var checks=Array.from(table.querySelectorAll('input[type=\"checkbox\"][name=\"selection\"]'));"
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" if(!checks.length) checks=Array.from(table.querySelectorAll('input[type=\"checkbox\"]'));"
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" return checks;"
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"}"
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"function updateSelectedCount(){ if(!selectedCountSpan) return; var checks=findRowCheckboxes(); var count=checks.filter(function(c){return c.checked;}).length; selectedCountSpan.textContent=count; checks.forEach(function(cb){var tr=cb.closest('tr'); if(tr) tr.classList.toggle('table-active', cb.checked);}); }"
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"function setCheckboxesDisabled(disabled){ findRowCheckboxes().forEach(function(cb){ cb.disabled=disabled; }); }"
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"function hideSelectionColumn(){ table.querySelectorAll('th, td').forEach(function(cell){ if(cell.querySelector && cell.querySelector('input[type=\"checkbox\"][name=\"selection\"]')) cell.style.display='none'; }); }"
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"function showSelectionColumn(){ table.querySelectorAll('th, td').forEach(function(cell){ if(cell.querySelector && cell.querySelector('input[type=\"checkbox\"][name=\"selection\"]')) cell.style.display=''; }); }"
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"setCheckboxesDisabled(true); hideSelectionColumn();"
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"table.addEventListener('click', function(e){ if(!selectionEnabled) return; var tag=(e.target.tagName||'').toLowerCase(); if(['input','a','button','select','textarea','label'].indexOf(tag)!==-1) return; var tr=e.target.closest('tr'); if(!tr||!table.contains(tr)) return; var cb=tr.querySelector('input[type=\"checkbox\"][name=\"selection\"]')||tr.querySelector('input[type=\"checkbox\"]'); if(cb && !cb.disabled){ cb.checked=!cb.checked; tr.classList.toggle('table-active', cb.checked); updateSelectedCount(); } }, true);"
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"table.addEventListener('change', function(e){ if(e.target && e.target.matches && e.target.matches('input[type=\"checkbox\"]')) updateSelectedCount(); }, true);"
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"toggleBtn.addEventListener('click', function(){ selectionEnabled=!selectionEnabled; if(selectionEnabled){ toggleBtn.textContent='Disable row selection'; if(controlsEl) controlsEl.style.display=''; setCheckboxesDisabled(false); showSelectionColumn(); } else { toggleBtn.textContent='Enable row selection'; if(controlsEl) controlsEl.style.display='none'; setCheckboxesDisabled(true); hideSelectionColumn(); findRowCheckboxes().forEach(function(cb){ cb.checked=false; }); updateSelectedCount(); } });"
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"if(selectAllBtn) selectAllBtn.addEventListener('click', function(){ findRowCheckboxes().forEach(function(cb){ if(!cb.disabled) cb.checked=true; }); updateSelectedCount(); });"
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"if(clearBtn) clearBtn.addEventListener('click', function(){ findRowCheckboxes().forEach(function(cb){ if(!cb.disabled) cb.checked=false; }); updateSelectedCount(); });"
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"updateSelectedCount();"
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"})();</script>"
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).format(t=token)
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return mark_safe(html + script)
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class SingleImageColumn(tables.Column):
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def render(self, value):
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try:
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thumbnailer = get_thumbnailer(value)
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return format_html('<img src="/media/{}" />', thumbnailer["exam-list"])
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except InvalidImageFormatError:
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return format_html('<span title="{}">Invalid image url<span>', value)
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class BlockImageColumn(tables.Column):
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def render(self, value):
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blocks = []
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for obj in value.all():
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blocks.append(obj.get_block())
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return mark_safe(
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"""<span class='multi-image-block'>
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{}
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</span>""".format("".join(blocks))
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)
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class SeriesImageColumn(tables.Column):
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def render(self, value):
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#obj = value.first()
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images = value.all()
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if not images:
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return mark_safe('<span>None</span><br/>')
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obj = findMiddle(images)
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if obj is None:
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return "None"
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image_object = obj.image
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try:
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thumbnailer = get_thumbnailer(image_object)
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return format_html(
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'<img src="/media/{}" /><br/>[{}]',
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thumbnailer["exam-list"],
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value.count(),
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)
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except InvalidImageFormatError:
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return format_html(
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'<span title="{}">Invalid image url<span><br/>[{}]',
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image_object,
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value.count(),
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)
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class FirstImageColumn(tables.Column):
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def render(self, value):
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obj = value.all()
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if not obj:
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return mark_safe('<span>No image</span>')
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image_object = obj[0].image
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try:
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thumbnailer = get_thumbnailer(image_object)
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return format_html('<img src="/media/{}" />', thumbnailer["exam-list"])
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except InvalidImageFormatError:
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return format_html('<span title="{}">Invalid image url<span>', image_object)
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class CidUserTable(SelectionTable):
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cid = tables.LinkColumn(
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"cid_scores", args=[A("cid"), A("passcode")], orderable=True
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)
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# physics_exams = tables.ManyToManyColumn(verbose_name="Physics Exams")
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# rapid_exams = tables.ManyToManyColumn(verbose_name="Rapid Exams")
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# sba_exams = tables.ManyToManyColumn(verbose_name="SBA Exams")
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# longs_exams = tables.ManyToManyColumn(verbose_name="Long Exams")
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# anatomy_exams = tables.ManyToManyColumn(verbose_name="Anatomy Exams")
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group = tables.Column(linkify=True)
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#selection = tables.CheckBoxColumn(accessor="pk", orderable=False)
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emails = tables.Column(empty_values=(), orderable=False)
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edit = tables.LinkColumn(
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"generic:update_cid", text="Edit", args=[A("pk")], orderable=True
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)
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class Meta(SelectionTable.Meta):
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model = CidUser
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template_name = "django_tables2/bootstrap4.html"
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fields = (
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# "cid",
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"passcode",
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"active",
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"group",
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"internal_candidate",
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# "email",
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)
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sequence = ("cid", "passcode", "active", "internal_candidate", "emails")
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def __init__(self, data=None, *args, **kwargs):
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super().__init__(
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data.prefetch_related("group"),
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*args,
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**kwargs,
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)
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def render_emails(self, value, record):
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print(self)
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if record.supervisor is not None:
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return format_html("""{}\n[{}]""", record.email, record.supervisor.email)
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else:
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return record.email
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class CidUserExamTable(SelectionTable):
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cid = tables.LinkColumn(
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"cid_scores", args=[A("cid"), A("passcode")], orderable=True
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)
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physics_exams = tables.ManyToManyColumn(verbose_name="Physics Exams")
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rapid_exams = tables.ManyToManyColumn(verbose_name="Rapid Exams")
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sba_exams = tables.ManyToManyColumn(verbose_name="SBA Exams")
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longs_exams = tables.ManyToManyColumn(verbose_name="Long Exams")
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anatomy_exams = tables.ManyToManyColumn(verbose_name="Anatomy Exams")
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#selection = tables.CheckBoxColumn(accessor="pk", orderable=False)
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emails = tables.Column(empty_values=(), orderable=False)
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edit = tables.LinkColumn(
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"generic:update_cid", text="Edit", args=[A("pk")], orderable=True
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)
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class Meta(SelectionTable.Meta):
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model = CidUser
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template_name = "django_tables2/bootstrap4.html"
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fields = (
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# "cid",
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"passcode",
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"active",
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"group",
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"internal_candidate",
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# "email",
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)
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sequence = ("cid", "passcode", "active", "internal_candidate", "emails")
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def __init__(self, data=None, *args, **kwargs):
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super().__init__(
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data.prefetch_related(
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"physics_exams",
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"rapid_exams",
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"sba_exams",
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"anatomy_exams",
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"longs_exams",
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"group",
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),
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*args,
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**kwargs,
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)
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def render_emails(self, value, record):
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if record.supervisor is not None:
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return format_html("""{}\n[{}]""", record.email, record.supervisor.email)
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else:
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return record.email
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# def render_cid(self, value, record):
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# return format_html("""<a href="#" onclick="return window.create_popup_window('/longs/series/{}', 'Series')" >Popup</a>""", record.pk)
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class UserUserTable(SelectionTable):
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user = tables.Column(
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linkify={"viewname": "account_profile", "args": [A("username")]},
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orderable=True,
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verbose_name="User",
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empty_values=(),
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)
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supervisor = tables.Column(
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linkify={
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"viewname": "generic:supervisor_detail",
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"args": [A("userprofile__supervisor__pk")],
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},
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orderable=True,
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verbose_name="Supervisor",
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accessor=A("userprofile__supervisor"),
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)
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#selection = tables.CheckBoxColumn(accessor="pk", orderable=False)
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edit = tables.Column(
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empty_values=(),
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linkify={"viewname": "account_update", "args": [A("username")]},
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orderable=False,
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verbose_name="Edit",
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)
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admin_edit = tables.Column(
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empty_values=(),
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linkify={"viewname": "admin:auth_user_change", "args": [A("pk")]},
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orderable=False,
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verbose_name="Admin",
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)
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user_groups = tables.ManyToManyColumn(verbose_name="Groups", linkify_item=True)
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date_joined = tables.DateTimeColumn(format="Y/m/d")
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class Meta(SelectionTable.Meta):
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model = User
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template_name = "django_tables2/bootstrap4.html"
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fields = (
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# "cid",
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# "userprofile",
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"userprofile__grade",
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"date_joined",
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# "user_groups",
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# "userprofile.supervisor",
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# "email",
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)
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sequence = (
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"user",
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"userprofile__grade",
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"supervisor",
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"user_groups",
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"date_joined",
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"edit",
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"admin_edit",
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)
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def __init__(self, data=None, *args, **kwargs):
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super().__init__(
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data.prefetch_related(
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"userprofile",
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"user_groups",
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"userprofile__grade",
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"supervisor",
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),
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*args,
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**kwargs,
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)
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# This should be avoidable?
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def render_edit(self, value, record):
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return "Edit"
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def render_admin_edit(self, value, record):
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return "Admin"
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def render_user(self, value, record):
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span_class = ""
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if record.userprofile.peninsula_trainee:
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span_class = "peninsula-trainee"
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return format_html(
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"<div style='flex-flow: row wrap; display: flex;'><div class='{}'></div><div>{} {}<br/>{}<br/>{}</div></div>",
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span_class,
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record.first_name,
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record.last_name,
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record.username,
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record.email,
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)
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class ExaminationTable(SelectionTable):
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examination = tables.Column(
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linkify=("generic:examination_detail", {"pk": tables.A("pk")}),
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verbose_name="Condition",
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)
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#edit = tables.LinkColumn(
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# "generic:examination_update", text="Edit", args=[A("pk")], orderable=False
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#)
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delete = tables.LinkColumn(
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"generic:examination_delete", text="Delete", args=[A("pk")], orderable=False
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)
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#selection = tables.CheckBoxColumn(accessor="pk", orderable=False)
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# synonym = tables.ManyToManyColumn(verbose_name="Synonyms")
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#synonym = tables.Column(empty_values=())
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#parent = tables.ManyToManyColumn(verbose_name="Parents")
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class Meta(SelectionTable.Meta):
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model = Examination
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template_name = "django_tables2/bootstrap4.html"
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#fields = ("primary", "subspecialty")
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sequence = ("examination",)
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class SupervisorTable(SelectionTable):
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name = tables.Column(
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linkify=("generic:supervisor_detail", {"pk": tables.A("pk")}),
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verbose_name="Name",
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)
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# We don't use a link column as we want to add a redirect parameter
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edit = tables.Column(
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accessor="pk", orderable=False
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)
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class Meta(SelectionTable.Meta):
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model = Supervisor
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template_name = "django_tables2/bootstrap4.html"
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sequence = ("name", "email")
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exclude = ("id",)
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SelectionTable.Meta.attrs.update({"id": "supervisor-table"})
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def render_edit(self, value, record):
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url = f"{reverse("generic:supervisor_edit", args=[record.pk])}?redirect={self.request.path}"
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return format_html("<a href='{}'>Edit</a>", url) |