--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/views/massmailing.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,129 @@
+"""Mass mailing form views
+
+:organization: Logilab
+:copyright: 2007-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
+"""
+
+import operator
+
+from logilab.mtconverter import html_escape
+
+from cubicweb.interfaces import IEmailable
+from cubicweb.common.view import EntityView
+from cubicweb.common.selectors import interface_selector, in_group_selector
+from cubicweb.web.action import EntityAction
+from cubicweb.web import stdmsgs
+
+
+class SendEmailAction(EntityAction):
+    category = 'mainactions'
+    __selectors__ = (interface_selector, in_group_selector)
+    accepts_interfaces = (IEmailable,) # XXX should check email is set as well
+    require_groups = ('managers', 'users')
+
+    id = 'sendemail'
+    title = _('send email')
+
+    def url(self):
+        params = {'vid': 'massmailing', '__force_display': 1}
+        if self.req.form.has_key('rql'):
+            params['rql'] = self.req.form['rql']
+        return self.build_url(self.req.relative_path(includeparams=False),
+                              **params)
+
+
+class MassMailingForm(EntityView):
+    id = 'massmailing'
+    __selectors__ = (interface_selector, in_group_selector)
+    accepts_interfaces = (IEmailable,)
+    require_groups = ('managers', 'users')
+    
+
+    form_template = u"""
+<div id="compose">
+<form id="sendemail" action="sendmail" method="post">
+<table class="headersform">
+<tr>
+  <td class="hlabel">%(from_header)s</td>
+  <td class="hvalue">%(from)s</td>
+</tr>
+<tr>
+  <td class="hlabel">%(recipients_header)s</td>
+  <td class="hvalue">%(recipients)s</td>
+</tr>
+<tr>
+  <td class="hlabel">%(subject)s</td>
+  <td class="hvalue"><input id="mailsubj" name="mailsubject" value="" /></td>
+</tr>
+</table>
+<div id="toolbar">
+<ul>
+<li><a id="sendbutton" href="javascript: $('sendemail').submit()">
+    <img src="%(sendimgpath)s" alt="%(send)s"/>%(send)s</a></li>
+<li><a id="cancelbutton" href="javascript: history.back()">
+    <img src="%(cancelimgpath)s" alt="%(cancel)s"/>%(cancel)s</a></li>
+ </ul>
+</div>
+<table>
+<tr>
+  <td>
+    <div>
+      <div id="emailbody" class="widget" cubicweb:loadtype="auto" cubicweb:wdgtype="TemplateTextField"
+           cubicweb:inputid="emailarea" cubicweb:inputname="mailbody" cubicweb:variables="%(variables)s"/>
+    </div>
+  </td>
+  <td>%(substitutions)s</td>
+</tr>
+</table>
+</form>
+</div>
+    """    
+
+    def call(self):
+        req = self.req
+        req.add_js('cubicweb.widgets.js')
+        req.add_css('cubicweb.mailform.css')
+        from_addr = '%s <%s>' % (req.user.dc_title(), req.user.get_email())
+        ctx = {
+            'from_header' : req._('From: '),
+            'from' : html_escape(from_addr),
+            'substitutions' : self._build_substitutions_help(),
+            'recipients_header' : req._('Recipients: '),
+            'subject' : req._('Subject: '),
+            'body' : req._('Email body: '),
+            'variables' : ','.join(self._get_allowed_substitutions()),
+            'recipients' : self._build_recipients_list(),
+            'cancel' : req._(stdmsgs.BUTTON_CANCEL),
+            'cancelimgpath' : req.external_resource('CANCEL_EMAIL_ICON'),
+            'send' : req._('send email'),
+            'sendimgpath' : req.external_resource('SEND_EMAIL_ICON'),
+            }
+        self.w(self.form_template % ctx)
+
+
+    def _get_allowed_substitutions(self):
+        coltypes = self.rset.column_types(0)
+        attrs = []
+        for coltype in coltypes:
+            eclass = self.vreg.etype_class(coltype)
+            attrs.append(eclass.allowed_massmail_keys())
+        return sorted(reduce(operator.and_, attrs))
+            
+    def _build_recipients_list(self):
+        emails = ((entity.eid, entity.get_email()) for entity in self.rset.entities())
+        checkboxes = (u'<input name="recipient" type="checkbox" value="%s" checked="checked" />%s'
+                      % (eid, html_escape(email)) for eid, email in emails if email)
+        boxes = (u'<div class="recipient">%s</div>' % cbox for cbox in checkboxes)
+        return u'<div id="recipients">%s</div>' % u'\n'.join(boxes)
+            
+
+    def _build_substitutions_help(self):
+        insertLink = u'<a href="javascript: insertText(\'%%(%s)s\', \'emailarea\');">%%(%s)s</a>'
+        substs = (u'<div class="substitution">%s</div>' % (insertLink % (subst, subst))
+                  for subst in self._get_allowed_substitutions())
+        helpmsg = self.req._('You can use any of the following substitutions in your text')
+        return u'<div id="substitutions"><span>%s</span>%s</div>' % (
+            helpmsg, u'\n'.join(substs))
+
+