]> git.r.bdr.sh - rbdr/r.bdr.sh/blame_incremental - jekyll/js/unlimited_pizza/melty_cheese.js
Colorizes projects by type, tones down yellow
[rbdr/r.bdr.sh] / jekyll / js / unlimited_pizza / melty_cheese.js
... / ...
CommitLineData
1'use strict';
2
3Class(UnlimitedPizza, "MeltyCheese").inherits(Widget)({
4 prototype : {
5 min : 60, // min height of the element
6 max : 480, // max height of the element
7 minThreshold : 200, // distance from bottom before we start
8 maxThreshold : 500, // distance from bottom before we stop
9 _loaded : false,
10
11 init : function (config) {
12 Widget.prototype.init.call(this, config)
13
14 this._bindInternalEvents();
15 },
16
17 _bindInternalEvents : function bindInternalEvents() {
18 this.bind('activate', this._onActivate.bind(this));
19 this.bind('deactivate', this._onDeactivate.bind(this));
20 },
21
22 _onActivate : function _activate() {
23 // If this is the first time activating it... then load
24 if (!this._loaded) {
25 this._load();
26 }
27 },
28
29 _onDeactivate : function _deactivate() {
30 this._unload();
31 },
32
33 /*
34 * Loads everything.
35 */
36 _load : function _load() {
37 this._bindEvents();
38
39 this.image = this.element.find('img')
40 },
41
42 _unload : function _unload() {
43 this._loaded = false;
44 this._unbindEvents();
45 },
46
47 _bindEvents : function bindEvents() {
48 $(window).on('scroll', this._onScroll.bind(this));
49 $(window).on('resize', this._onScroll.bind(this));
50 },
51
52 _unbindEvents : function unbindEvents() {
53 $(window).off('scroll');
54 $(window).off('resize');
55 },
56
57 /* Listeners beyond */
58
59 _onScroll : function onScroll() {
60 var documentTop, documentBottom, elementTop, diff, height;
61
62
63 documentTop = $(window).scrollTop();
64 documentBottom = documentTop + $(window).height();
65 elementTop = this.element.offset().top;
66 diff = documentBottom - elementTop;
67
68 this.max = this.image.height();
69 this.min = this.max / 10;
70
71 diff -= this.minThreshold;
72
73 height = diff * this.max / this.maxThreshold;
74
75 if (height < this.min) {
76 height = this.min;
77 }
78
79 if (height > this.max) {
80 height = this.max;
81 }
82
83 console.log("I, ", this.name, "should be ", height);
84
85 this.element.height(height);
86 },
87
88 }
89});