fixes #815: books arrangement
[wolnelektury.git] / wolnelektury / static / sponsors / js / footer_admin.js
1 (function($) {
2   $.fn.sponsorsFooter = function(options) {
3     var settings = {
4       sponsors: []
5     };
6     $.extend(settings, options);
7
8     var input = $(this).hide();
9
10     var container = $('<div class="sponsors"></div>').appendTo(input.parent());
11     var groups = $.evalJSON(input.val());
12
13     var unusedDiv = $('<div class="sponsors-sponsor-group sponsors-unused-sponsor-group"></div>')
14       .appendTo(container)
15       .append('<p class="sponsors-sponsor-group-name sponsors-unused-sponsor-group-name">dostępni sponsorzy</p>');
16     var unusedList = $('<ol class="sponsors-sponsor-group-list sponsors-unused-group-list"></ol>')
17         .appendTo(unusedDiv)
18         .sortable({
19           connectWith: '.sponsors-sponsor-group-list'
20                 });
21
22     // Edit group name inline
23     function editNameInline(name) {
24       name.unbind('click.sponsorsFooter');
25       var inlineInput = $('<input></input>').val(name.html());
26       name.html('');
27
28       function endEditing() {
29         name.html(inlineInput.val());
30         inlineInput.remove();
31         name.bind('click.sponsorsFooter', function() {
32           editNameInline($(this));
33         });
34         input.parents('form').unbind('submit.sponsorsFooter', endEditing);
35         return false;
36       }
37
38       inlineInput.appendTo(name).focus().blur(endEditing);
39       input.parents('form').bind('submit.sponsorsFooter', endEditing);
40     }
41
42     // Remove sponsor with passed id from sponsors array and return it
43     function popSponsor(id) {
44       for (var i=0; i < settings.sponsors.length; i++) {
45         if (settings.sponsors[i].id == id) {
46           var s = settings.sponsors[i];
47           settings.sponsors.splice(i, 1);
48           return s;
49         }
50       }
51       return null;
52     }
53
54     // Create sponsor group and bind events
55     function createGroup(name, sponsors) {
56       if (!sponsors) {
57         sponsors = [];
58       }
59
60       var groupDiv = $('<div class="sponsors-sponsor-group"></div>');
61
62       $('<a class="sponsors-remove-sponsor-group">X</a>')
63         .click(function() {
64           groupDiv.fadeOut('slow', function() {
65             $('.sponsors-sponsor', groupDiv).hide().appendTo(unusedList).fadeIn();
66             groupDiv.remove();
67           });
68         }).appendTo(groupDiv);
69
70       $('<p class="sponsors-sponsor-group-name">' + name + '</p>')
71         .bind('click.sponsorsFooter', function() {
72           editNameInline($(this));
73         }).appendTo(groupDiv);
74
75       var groupList = $('<ol class="sponsors-sponsor-group-list"></ol>')
76         .appendTo(groupDiv)
77         .sortable({
78           connectWith: '.sponsors-sponsor-group-list'
79                 });
80
81
82       for (var i = 0; i < sponsors.length; i++) {
83         $('<li class="sponsors-sponsor"><img src="' + sponsors[i].image + '" alt="' + sponsors[i].name + '"/></li>')
84           .data('obj_id', sponsors[i].id)
85           .appendTo(groupList);
86       }
87       return groupDiv;
88     }
89
90     // Create groups from data in input value
91     for (var i = 0; i < groups.length; i++) {
92       var group = groups[i];
93       var sponsors = [];
94
95       for (var j = 0; j < group.sponsors.length; j++) {
96         var s = popSponsor(group.sponsors[j]);
97         if (s) {
98           sponsors.push(s);
99         }
100       }
101       createGroup(group.name, sponsors).appendTo(container);
102     }
103
104     // Serialize input value before submiting form
105     input.parents('form').submit(function(event) {
106       var groups = [];
107       $('.sponsors-sponsor-group', container).not('.sponsors-unused-sponsor-group').each(function() {
108         var group = {name: $('.sponsors-sponsor-group-name', this).html(), sponsors: []};
109         $('.sponsors-sponsor', this).each(function() {
110           group.sponsors.push($(this).data('obj_id'));
111         });
112         groups.push(group);
113       });
114       input.val($.toJSON(groups));
115     });
116
117     for (i = 0; i < settings.sponsors.length; i++) {
118       $('<li class="sponsors-sponsor"><img src="' + settings.sponsors[i].image + '" alt="' + settings.sponsors[i].name + '"/></li>')
119         .data('obj_id', settings.sponsors[i].id)
120         .appendTo(unusedList);
121     }
122
123     $('<button type="button">Dodaj nową grupę</button>')
124       .click(function() {
125         var newGroup = createGroup('').appendTo(container);
126         editNameInline($('.sponsors-sponsor-group-name', newGroup));
127       }).prependTo(input.parent());
128
129     input.parent().append('<div style="clear: both"></div>');
130   };
131 })(jQuery);