Allow the user to select a referenced liaison. Fixes #381

- Legacy-Id: 2538

ietf/liaisons/forms.py

@@ -3,6 +3,7 @@ from email.utils import parseaddr
 
 from django import forms
 from django.conf import settings
+from django.db.models import Q
 from django.forms.util import ErrorList
 from django.forms.fields import email_re
 from django.template.loader import render_to_string
@@ -12,7 +13,7 @@ from ietf.liaisons.accounts import (can_add_outgoing_liaison, can_add_incoming_l
 from ietf.liaisons.models import LiaisonDetail, Uploads, OutgoingLiaisonApproval, SDOs
 from ietf.liaisons.utils import IETFHM
 from ietf.liaisons.widgets import (FromWidget, ReadOnlyWidget, ButtonWidget,
-                                   ShowAttachmentsWidget)
+                                   ShowAttachmentsWidget, RelatedLiaisonWidget)
 
 
 class LiaisonForm(forms.ModelForm):
@@ -33,11 +34,13 @@ class LiaisonForm(forms.ModelForm):
                                                         require=['id_attach_title', 'id_attach_file'],
                                                         required_label='title and file'),
                                     required=False)
+    related_to = forms.ModelChoiceField(LiaisonDetail.objects.all(), label=u'Related Liaison', widget=RelatedLiaisonWidget, required=False)
 
     fieldsets = [('From', ('from_field', 'replyto')),
                  ('To', ('organization', 'to_poc')),
                  ('Other email addresses', ('response_contact', 'technical_contact', 'cc1')),
                  ('Purpose', ('purpose', 'purpose_text', 'deadline_date')),
+                 ('References', ('related_to', )),
                  ('Liaison Statement', ('title', 'body', 'attachments')),
                  ('Add attachment', ('attach_title', 'attach_file', 'attach_button')),
                 ]
@@ -318,7 +321,7 @@ class EditLiaisonForm(LiaisonForm):
         model = LiaisonDetail
         fields = ('from_raw_body', 'to_body', 'to_poc', 'cc1', 'last_modified_date', 'title',
                   'response_contact', 'technical_contact', 'purpose_text', 'body',
-                  'deadline_date', 'purpose', 'replyto', )
+                  'deadline_date', 'purpose', 'replyto', 'related_to')
 
     def __init__(self, *args, **kwargs):
         super(EditLiaisonForm, self).__init__(*args, **kwargs)

ietf/liaisons/urls.py

@@ -28,4 +28,5 @@ urlpatterns += patterns('ietf.liaisons.views',
      url(r'^for_approval/(?P<object_id>\d+)/$', 'liaison_approval_detail', name='liaison_approval_detail'),
      url(r'^add/$', 'add_liaison', name='add_liaison'),
      url(r'^ajax/get_info/$', 'get_info', name='get_info'),
+     url(r'^ajax/liaison_list/$', 'ajax_liaison_list', name='ajax_liaison_list'),
 )

ietf/liaisons/views.py

@@ -167,3 +167,12 @@ def liaison_detail(request, object_id):
 def liaison_edit(request, object_id):
     liaison = get_object_or_404(LiaisonDetail, pk=object_id)
     return add_liaison(request, liaison=liaison)
+
+def ajax_liaison_list(request):
+    public_liaisons = LiaisonDetail.objects.filter(Q(approval__isnull=True)|Q(approval__approved=True)).order_by("-submitted_date")
+
+    return object_list(request, public_liaisons,
+                       allow_empty=True,
+                       template_name='liaisons/liaisondetail_simple_list.html',
+                       extra_context={}
+                      )

ietf/liaisons/widgets.py

@@ -1,6 +1,7 @@
 from django.conf import settings
+from django.core.urlresolvers import reverse
 from django.db.models.query import QuerySet
-from django.forms.widgets import Select, Widget
+from django.forms.widgets import Select, Widget, TextInput
 from django.utils.safestring import mark_safe
 
 
@@ -64,3 +65,33 @@ class ShowAttachmentsWidget(Widget):
             html += u'No files attached'
         html += u'</div></div>'
         return mark_safe(html)
+
+
+class RelatedLiaisonWidget(TextInput):
+
+    def render(self, name, value, attrs=None):
+        if not value:
+            value = ''
+            title = ''
+            noliaison = 'inline'
+            deselect = 'none'
+        else:
+            from ietf.liaisons.models import LiaisonDetail
+            liaison = LiaisonDetail.objects.get(pk=value)
+            title = liaison.title
+            if not title:
+                files = liaison.uploads_set.all()
+                if files:
+                    title = files[0].file_title
+                else:
+                    title = 'Liaison #%s' % liaison.pk
+            noliaison = 'none'
+            deselect = 'inline'
+        html = u'<span class="noRelated" style="display: %s;">No liaison selected</span>' % noliaison
+        html += u'<span class="relatedLiaisonWidgetTitle">%s</span>' % title
+        html += u'<input type="hidden" name="%s" class="relatedLiaisonWidgetValue" value="%s" /> ' % (name, value)
+        html += u'<span style="display: none;" class="listURL">%s</span> ' % reverse('ajax_liaison_list')
+        html += u'<div style="display: none;" class="relatedLiaisonWidgetDialog" id="related-dialog" title="Select a liaison"></div> '
+        html += '<input type="button" id="id_%s" value="Select liaison" /> ' % name
+        html += '<input type="button" style="display: %s;" id="id_no_%s" value="Deselect liaison" />' % (deselect, name)
+        return mark_safe(html)

ietf/templates/liaisons/liaisondetail_simple_list.html

@@ -0,0 +1,32 @@
+<table class="ietf-table" width="100%">
+<tr><th width="9%">Date</th><th width="20%">From</th><th width="20%">To</th><th width="50%">Title</th></tr>
+
+{% for liaison in object_list %}
+<tr class="{% cycle oddrow,evenrow %}">
+<td style="white-space:nowrap;">{{ liaison.submitted_date|date:"Y-m-d" }}</td>
+<td>{{ liaison.from_body|escape }}</td>
+<td>
+{% if liaison.by_secretariat %}
+  {% if liaison.submitter_email %}
+    <a href="mailto:{{ liaison.submitter_email}}">{{ liaison.submitter_name|escape }}</a>
+  {% else %}
+    {{ liaison.submitter_name|escape }}
+  {% endif %}
+{% else %}
+  {{ liaison.to_body|escape }}
+{% endif %}
+</td>
+<td>
+{% if liaison.by_secretariat %}
+  {% for file in liaison.uploads_set.all %}
+    <a href="https://datatracker.ietf.org/documents/LIAISON/file{{ file.file_id }}{{ file.file_extension }}">{{ file.file_title|escape }}</a><br/>
+  {% endfor %}
+{% else %}
+  <a href="{{ liaison.detail_id }}/">{{ liaison.title|escape }}</a>
+{% endif %}
+<span style="display: none" class="liaisonPK">{{ liaison.pk }}</span>
+</td>
+</tr>
+{% endfor %}
+
+</table>

static/js/liaisons.js

@@ -140,6 +140,9 @@
             var cancel = form.find('#id_cancel');
             var cancel_dialog = form.find('#cancel-dialog');
             var config = {};
+            var related_trigger = form.find('#id_related_to');
+            var related_dialog = form.find('#related-dialog');
+            var unrelate_trigger = form.find('#id_no_related_to');
 
             var readConfig = function() {
                 var confcontainer = form.find('.formconfig');
@@ -232,6 +235,47 @@
                 cancel_dialog.dialog("open");
             };
 
+            var getRelatedLink = function() {
+                link = $(this).text();;
+                pk = $(this).nextAll('.liaisonPK').text();
+                widget = related_trigger.parent();
+                widget.find('.relatedLiaisonWidgetTitle').text(link);
+                widget.find('.relatedLiaisonWidgetValue').val(pk);
+                widget.find('.noRelated').hide();
+                unrelate_trigger.show();
+                related_dialog.dialog('close');
+                return false;
+            };
+
+            var selectNoRelated = function() {
+                widget = $(this).parent();
+                widget.find('.relatedLiaisonWidgetTitle').text('');
+                widget.find('.noRelated').show();
+                widget.find('.relatedLiaisonWidgetValue').val('');
+                $(this).hide();
+                return false;
+            };
+
+            var selectRelated = function() {
+                widget = $(this).parent();
+                url = widget.find('.listURL').text();
+                title = widget.find('.relatedLiaisonWidgetTitle');
+                related_dialog.html('<img src="/images/ajax-loader.gif" />');
+                related_dialog.dialog('open');
+                $.ajax({
+                    url: url,
+                    type: 'GET',
+                    cache: false,
+                    async: true,
+                    dataType: 'html',
+                    success: function(response){
+                        related_dialog.html(response);
+                        related_dialog.find('a').click(getRelatedLink);
+                    }
+                });
+                return false;
+            };
+
             var initTriggers = function() {
                 organization.change(updateInfo);
                 organization.change(checkOtherSDO);
@@ -239,6 +283,8 @@
                 reply.keyup(updateFrom);
                 purpose.change(updatePurpose);
                 cancel.click(cancelForm);
+                related_trigger.click(selectRelated);
+                unrelate_trigger.click(selectNoRelated);
             };
 
             var updateOnInit = function() {
@@ -275,6 +321,14 @@
                        }
                     }
                 });
+
+                related_dialog.dialog({
+                    height: 400,
+                    width: 800,
+                    draggable: true,
+                    modal: true,
+                    autoOpen: false
+                });
             };
 
             var initForm = function() {