Django 3
[redakcja.git] / src / redakcja / static / js / wiki_img / view_editor_objects.js
1 (function($){
2
3     function ObjectsPerspective(options){
4         if (!options) return;
5
6         var old_callback = options.callback;
7
8         options.callback = function(){
9             this.$editor = $("#objects-editor");
10             this.object_type_name = "obiekt";
11             this.xml_object_type = 'object';
12             this._init();
13             old_callback.call(this);
14         };
15
16         $.wiki.Perspective.call(this, options);
17     };
18
19     ObjectsPerspective.prototype = new $.wiki.Perspective();
20
21     ObjectsPerspective.prototype._init = function() {
22             var self = this;
23
24             self.$tag_name = $('.tag-name', self.$editor);
25             self.$toolbar = $('.toolbar', self.$editor);
26             self.$scrolled = $('.scrolled', self.$editor);
27             self.$objects_list = $('.objects-list', self.$editor);
28
29             self.x1 = null;
30             self.x2 = null;
31             self.y1 = null;
32             self.y2 = null;
33
34             if (!CurrentDocument.readonly) {
35                 self.ias = $('img.area-selectable', self.$editor).imgAreaSelect({
36                     handles: true,
37                     instance: true,
38                     onSelectEnd: self._fillCoords(self),
39                     onSelectChange: function() {self._cropSelection();},
40                 });
41                 $('.add', self.$editor).click(self._addObject(self));
42
43                 $(self.$objects_list).on('click', '.delete', function() {
44                     $(this).parent().trigger('click');
45                     if (window.confirm("Czy na pewno chcesz usunąć ten " + object_type_name + "?")) {
46                         $(this).parent().remove();
47                     }
48                     self._resetSelection();
49                     return false;
50                 });
51             }
52
53             $(self.$objects_list).on('click', '.image-object', function(){
54                 $('.active', self.$objects_list).removeClass('active');
55                 $(this).addClass('active');
56                 var coords = $(this).data('coords');
57                 if (coords) {
58                     self.ias.setSelection.apply(self.ias, coords);
59                     self.ias.setOptions({ show: true });
60                     self._cropSelection();
61                 }
62                 else {
63                     self._resetSelection();
64                 }
65             });
66
67             self.$scrolled.scroll(function() {
68                 self.ias.update();
69                 self._cropSelection();
70             });
71     }
72
73     ObjectsPerspective.prototype._cropSelection = function() {
74         var mintop = this.$scrolled.offset().top;
75         var maxbottom = mintop + this.$scrolled.height();
76         $(".imgareaselect-outer").each(function(i, e) {
77             var top = parseInt(e.style.top);
78             var height = parseInt(e.style.height);
79             var bottom = top + height;
80             dtop = dheight = 0;
81             if (top < mintop) {
82                 dtop += mintop - top;
83                 dheight -= dtop;
84             }
85             if (bottom > maxbottom) {
86                 dheight -= bottom - maxbottom;
87             }
88             if (dtop) {
89                 e.style.top = top + dtop + 'px';
90             }
91             if (dheight) {
92                 e.style.height = Math.max(0, height + dheight) + 'px';
93             }
94         });
95     }
96
97     ObjectsPerspective.prototype._resetSelection = function() {
98         var self = this;
99         self.x1 = self.x2 = self.y1 = self.y2 = null;
100         self.ias.setOptions({ hide: true });
101     }
102
103     ObjectsPerspective.prototype._push = function(name, x1, y1, x2, y2) {
104         var $e = $('<span class="image-object btn btn-outline-light mr-1"><span class="name"></span><span class="delete badge badge-danger ml-2">x</span></span>');
105         $(".name", $e).text(name);
106         if (x1 !== null)
107             $e.data('coords', [x1, y1, x2, y2]);
108         this.$objects_list.append($e);
109     }
110
111
112     ObjectsPerspective.prototype._addObject = function(self) {
113         return function() {
114             outputs = [];
115             chunks = self.$tag_name.val().split(',');
116             for (i in chunks) {
117                 item = chunks[i].trim();
118                 if (item == '')
119                     continue;
120                 outputs.push(item.trim());
121             }
122             output = outputs.join(', ');
123
124             self._push(output, self.x1, self.y1, self.x2, self.y2);
125             self._resetSelection();
126         }
127     }
128
129     ObjectsPerspective.prototype._fillCoords = function(self) {
130         return function(img, selection) {
131             $('.active', self.$objects_list).removeClass('active');
132             if (selection.x1 != selection.x2 && selection.y1 != selection.y2) {
133                 self.x1 = selection.x1;
134                 self.x2 = selection.x2;
135                 self.y1 = selection.y1;
136                 self.y2 = selection.y2;
137             }
138             else {
139                 self.x1 = self.x2 = self.y1 = self.y2 = null;
140             }
141         }
142     }
143
144     ObjectsPerspective.prototype.onEnter = function(success, failure){
145         var self = this;
146         this.$objects_list.children().remove();
147
148         $.each(this.doc.getImageItems(self.xml_object_type), function(i, e) {
149             self._push.apply(self, e);
150         });
151
152         if (this.x1 !== null)
153             this.ias.setOptions({enable: true, show: true});
154         else
155             this.ias.setOptions({enable: true});
156
157         $.wiki.Perspective.prototype.onEnter.call(this);
158
159     };
160
161     ObjectsPerspective.prototype.onExit = function(success, failure){
162         var self = this;
163         var objects = [];
164         this.$objects_list.children(".image-object").each(function(i, e) {
165             var args = $(e).data('coords');
166             if (!args)
167                 args = [null, null, null, null];
168             args.unshift($(".name", e).text());
169             objects.push(args);
170         })
171         self.doc.setImageItems(self.xml_object_type, objects);
172
173         this.ias.setOptions({disable: true, hide: true});
174
175     };
176
177     $.wiki.ObjectsPerspective = ObjectsPerspective;
178
179 })(jQuery);