Add speed bump / confirmation page when deleting records.

Also cleanup the context menu links on various master CRUD pages.
This commit is contained in:
Lance Edgar 2016-01-07 20:55:10 -06:00
parent 94406f84b3
commit 640bb736b2
4 changed files with 84 additions and 20 deletions

View file

@ -0,0 +1,41 @@
## -*- coding: utf-8 -*-
<%inherit file="/base.mako" />
<%def name="title()">Delete ${model_title}: ${unicode(instance)}</%def>
<%def name="context_menu_items()">
<li>${h.link_to("Back to {}".format(model_title_plural), url(route_prefix))}</li>
% if master.viewable and request.has_perm('{}.view'.format(permission_prefix)):
<li>${h.link_to("View this {}".format(model_title), action_url('view', instance))}</li>
% endif
% if master.editable and request.has_perm('{}.edit'.format(permission_prefix)):
<li>${h.link_to("Edit this {}".format(model_title), action_url('edit', instance))}</li>
% endif
% if master.creatable and request.has_perm('{}.create'.format(permission_prefix)):
<li>${h.link_to("Create a new {}".format(model_title), url('{}.create'.format(route_prefix)))}</li>
% endif
</%def>
<%def name="confirmation()">
<br />
<p>Are you sure about this?</p>
${h.form(request.current_route_url())}
<div class="buttons">
<button type="button" onclick="$(this).parents('form').submit();">Yes, please DELETE this record forever!</button>
<a class="button" href="${form.cancel_url}">Whoops, nevermind...</a>
</div>
${h.end_form()}
</%def>
<ul id="context-menu">
${self.context_menu_items()}
</ul>
<p>You are about to delete the following ${model_title} record:</p>
<div class="form-wrapper">
${form.render()|n}
</div><!-- form-wrapper -->
${self.confirmation()}

View file

@ -4,12 +4,15 @@
<%def name="title()">${model_title}: ${unicode(instance)}</%def>
<%def name="context_menu_items()">
<li>${h.link_to("Back to {0}".format(model_title_plural), url(route_prefix))}</li>
% if master.viewable and request.has_perm('{0}.view'.format(permission_prefix)):
<li>${h.link_to("View this {0}".format(model_title), action_url('view', instance))}</li>
<li>${h.link_to("Back to {}".format(model_title_plural), url(route_prefix))}</li>
% if master.viewable and request.has_perm('{}.view'.format(permission_prefix)):
<li>${h.link_to("View this {}".format(model_title), action_url('view', instance))}</li>
% endif
% if master.deletable and request.has_perm('{0}.delete'.format(permission_prefix)):
<li>${h.link_to("Delete this {0}".format(model_title), action_url('delete', instance))}</li>
% if master.deletable and master.deletable_instance(instance) and request.has_perm('{}.delete'.format(permission_prefix)):
<li>${h.link_to("Delete this {}".format(model_title), action_url('delete', instance))}</li>
% endif
% if master.creatable and request.has_perm('{}.create'.format(permission_prefix)):
<li>${h.link_to("Create a new {}".format(model_title), url('{}.create'.format(route_prefix)))}</li>
% endif
</%def>

View file

@ -4,12 +4,15 @@
<%def name="title()">${model_title}: ${instance_title}</%def>
<%def name="context_menu_items()">
<li>${h.link_to("Back to {0}".format(model_title_plural), url(route_prefix))}</li>
% if master.editable and request.has_perm('{0}.edit'.format(permission_prefix)):
<li>${h.link_to("Edit this {0}".format(model_title), action_url('edit', instance))}</li>
<li>${h.link_to("Back to {}".format(model_title_plural), url(route_prefix))}</li>
% if master.editable and request.has_perm('{}.edit'.format(permission_prefix)):
<li>${h.link_to("Edit this {}".format(model_title), action_url('edit', instance))}</li>
% endif
% if master.deletable and master.deletable_instance(instance) and request.has_perm('{0}.delete'.format(permission_prefix)):
<li>${h.link_to("Delete this {0}".format(model_title), action_url('delete', instance))}</li>
% if master.deletable and master.deletable_instance(instance) and request.has_perm('{}.delete'.format(permission_prefix)):
<li>${h.link_to("Delete this {}".format(model_title), action_url('delete', instance))}</li>
% endif
% if master.creatable and request.has_perm('{}.create'.format(permission_prefix)):
<li>${h.link_to("Create a new {}".format(model_title), url('{}.create'.format(route_prefix)))}</li>
% endif
</%def>

View file

@ -33,7 +33,7 @@ from edbob.util import prettify
import formalchemy
from pyramid.renderers import get_renderer, render_to_response
from pyramid.httpexceptions import HTTPFound, HTTPNotFound
from pyramid.httpexceptions import HTTPException, HTTPFound, HTTPNotFound
from tailbone import forms
from tailbone.views import View
@ -148,16 +148,28 @@ class MasterView(View):
self.deleting = True
instance = self.get_instance()
# Let derived classes prep for (or cancel) deletion.
result = self.before_delete(instance)
if result is not None:
return result
if not self.deletable_instance(instance):
self.request.session.flash("Deletion is not permitted for {} {}".format(
self.get_model_title(), instance))
return HTTPFound(location=self.get_action_url('view', instance))
self.delete_instance(instance)
self.request.session.flash("{0} {1} has been deleted.".format(
self.get_model_title(), instance))
return self.redirect(self.get_after_delete_url(instance))
form = self.make_form(instance)
# TODO: Add better validation, ideally CSRF etc.
if self.request.method == 'POST':
# Let derived classes prep for (or cancel) deletion.
result = self.before_delete(instance)
if isinstance(result, HTTPException):
return result
self.delete_instance(instance)
self.request.session.flash("{} {} has been deleted.".format(
self.get_model_title(), instance))
return self.redirect(self.get_after_delete_url(instance))
form.readonly = True
return self.render_to_response('delete', {'instance': instance, 'form': form})
##############################
# Core Stuff
@ -379,9 +391,14 @@ class MasterView(View):
if self.editable:
actions.append(self.make_action('edit', icon='pencil'))
if self.deletable:
actions.append(self.make_action('delete', icon='trash'))
actions.append(self.make_action('delete', icon='trash', url=self.default_delete_url))
return actions
def default_delete_url(self, row):
if self.deletable_instance(row):
return self.request.route_url('{}.delete'.format(self.get_route_prefix()),
**self.get_action_route_kwargs(row))
def make_action(self, key, **kwargs):
"""
Make a new :class:`GridAction` instance for the current grid.