views.py

from django.shortcuts import render_to_response, get_object_or_404, render
from django.views import View
from django.views.generic import TemplateView

from dashboard.gadgets import find_gadgets, open_gadget
from django.http import HttpResponse, HttpResponseRedirect
import xml.dom.minidom as minidom

from dashboard.models import Dashboard, DashboardItem
from dashboard.xml_utils import children
from django.template.loader import render_to_string


class ViewDashboard(View):
    def get(self, request, slug):
        try:
            dashboard = Dashboard.objects.get(slug=slug, user=request.user)
        except Dashboard.DoesNotExist:
            dashboard = Dashboard(slug=slug, user=request.user, layout='three')
            dashboard.save()
        dashboard_data = {}
        column_data = []

        dashboard_items = DashboardItem.objects.filter(dashboard=dashboard).order_by('column_number', 'position')
        column_number = 0

        for gadget in dashboard_items:
            if gadget.column_number != column_number and column_number != 0:
                dashboard_data[column_number] = column_data
                column_data = []
            column_number = gadget.column_number
            column_data.append(render_to_string('gadget.html', {'gadget': gadget}))
        if len(dashboard_items) > 0:
            dashboard_data[column_number] = column_data

        return render_to_response('layouts/%s.html' % dashboard.layout,
                                  {'name': dashboard.name,
                                   'dashboard': dashboard,
                                   'dashboard_data': dashboard_data,
                                   'dashboard_items': dashboard_items})
#
#
# def update_ajax(request, name):
#     try:
#         dashboard = models.Dashboard.objects.get(name=name, user=request.user)
#     except models.Dashboard.DoesNotExist:
#         dashboard = models.Dashboard(name=name, user=request.user)
#     models.DashboardItem.objects.filter(dashboard=dashboard).update(active=False)
#     if request.method == 'POST':
#         dom = minidom.parseString(request.POST["xml"])
#         parent = children(dom, 'xml')[0]
#         column_nodes = children(parent, 'column')
#         column_number = 1
#         for column_node in column_nodes:
#             position = 1
#             gadget_nodes = children(column_node, 'gadget')
#             for gadget_node in gadget_nodes:
#                 dashboard_item = models.DashboardItem.objects.get(uuid=gadget_node.getAttribute('id'))
#                 dashboard_item.active = True
#                 dashboard_item.column_number = column_number
#                 dashboard_item.position = position
#                 dashboard_item.title = gadget_node.getAttribute('title')
#                 dashboard_item.colour = gadget_node.getAttribute('colour')
#                 if gadget_node.getAttribute('collapsed') == 'false':
#                     dashboard_item.collapsed = False
#                 else:
#                     dashboard_item.collapsed = True
#                 if len(gadget_node.childNodes) > 0:
#                     mods = '<xml>'
#                     for gn in gadget_node.childNodes:
#                         mods += gn.toxml()
#                     mods += '</xml>'
#                     dashboard_item.modifier = mods
#                 dashboard_item.save()
#                 position += 1
#             column_number += 1
#         models.DashboardItem.objects.filter(dashboard=dashboard, active=False).delete()
#     return HttpResponse("<xml>Done</xml>")
#
#
# def gadget(request, uuid):
#     dashboard_item = get_object_or_404(models.DashboardItem, uuid=uuid)
#     w = open_gadget(dashboard_item.gadget)
#     return w.view(request, dashboard_item)
#


class ViewGadgets(TemplateView):
    template_name = 'view_gadgets.html'

    def get_context_data(self, **kwargs):
        context = super(ViewGadgets, self).get_context_data(**kwargs)
        dashboard = get_object_or_404(Dashboard, slug=self.kwargs['slug'])
        context['dashboard'] = dashboard
        context['gadgets'] = find_gadgets()
        return context


class AddGadget(View):
    def get(self, slug, gadget):
        pass
# def add_gadget(request, name, gadget):
#     try:
#         dashboard = models.Dashboard.objects.get(name=name, user=request.user)
#     except models.Dashboard.DoesNotExist:
#         dashboard = models.Dashboard(name=name, user=request.user)
#     dashboard_item = models.DashboardItem(dashboard=dashboard)
#     dashboard_item.active = True
#     dashboard_item.collapsed = False
#     dashboard_item.position = 100
#     dashboard_item.column_number = 1
#     dashboard_item.gadget = gadget
#     dashboard_item.title = open_gadget(gadget).gadget_info()['title']
#     dashboard_item.save()
#     return HttpResponseRedirect(reverse('dashboard_view', kwargs={'name': name}))
#
#
# def show_layouts(request, name):
#     return render(request, 'layouts/index.html', {'name': name})
#
#
# def save_layouts(request, name, layout):
#     dashboard = get_object_or_404(models.Dashboard, name=name, user=request.user)
#     dashboard.layout = layout
#     dashboard.save()
#     if layout == 'two':
#         models.DashboardItem.objects.filter(dashboard=dashboard, column_number__gt=3).update(column_number=1)
#     return HttpResponseRedirect(reverse('dashboard_view', kwargs={'name': name}))