https://www.guioteca.com/inclusion/wp-content/plugins/friki-wpmu-s…/friki_wpmu_sortblogs_public.js?ver=1

1
2jQuery(document).ready(function() {
3    $j = jQuery;
4    
5    var pixperclick = 10;
6    $j('#titulares').css('overflow', 'hidden');
7
8    // arrow up ---------------------------------------------------------------
9    var up = $j('<div class="up"></div>');
10    up.get(0).__pressed = false;
11    up.mousedown(function()
12    {
13        this.__pressed = true;
14        $j(this).addClass('up-click');
15        go_up();
16        return false;
17    });
18    function go_up()
19    {
20        if ($j("#blogs .up").get(0).__pressed)
21        {
22            setTimeout(function()
23            {
24                var min = 0;
25                var n = (parseInt($j("#blogs .scrolltip").css('top'), 10) - pixperclick);
26                n = (n > min) ? n : min;
27                $j("#blogs .scrolltip").css('top', n + 'px');
28                $j('#titulares').get(0).scrollTop -= (pixperclick * ratio);
29                go_up()
30            }, 50);
31        }
32    }
33    up.mouseup(function()
34    {
35        this.__pressed = false;
36        $j(this).removeClass('up-click');
37    });
38    // arrow down -------------------------------------------------------------
39    var dw = $j('<div class="down"></div>');
40    dw.get(0).__pressed = false;
41    dw.mousedown(function()
42    {
43        this.__pressed = true;
44        $j(this).addClass('down-click');
45        go_down();
46        return false;
47    });
48    function go_down()
49    {
50        if ($j("#blogs .down").get(0).__pressed)
51        {
52            var max = 255;
53            var max = ($j("#blogs .scroll").get(0).offsetHeight - $j("#blogs .scrolltip").get(0).offsetHeight);
54            var n = (parseInt($j("#blogs .scrolltip").css('top'), 10) + pixperclick);
55            n = (n < max) ? n : max;
56            $j("#blogs .scrolltip").css('top', n + 'px');
57            $j('#titulares').get(0).scrollTop += (pixperclick * ratio);
58            setTimeout(function()
59            {
60                go_down()
61            }, 50);
62        }
63    }
64    dw.mouseup(function()
65    {
66        this.__pressed = false;
67        $j(this).removeClass('down-click');
68    });
69    var scr = $j('<div class="scroll"></div>');
70    var sct = $j('<div class="scrolltip"></div>');
71    sct.append($j('<div class="scrolltiptop"></div>'));
72    sct.append($j('<div class="scrolltipbottom"></div>'));
73
74    $j('#blogs').append(up);
75    $j('#blogs').append(dw);
76    $j('#blogs').append(scr);
77    $j(scr).append(sct);
78
79    if($j('#titulares ul').length > 0) {
80        var scrollbar_height = parseInt($j("#blogs .scroll").css('height'), 10);
81        var viewport_absolute_height = $j('#titulares ul').get(0).offsetHeight;
82        var viewport_relative_height = parseInt($j('#titulares').css('height'), 10);
83    }
84
85    var scrolltip_height = ((scrollbar_height - 10) / viewport_absolute_height * viewport_relative_height);
86    if (scrolltip_height >= scrollbar_height)
87    {
88        scrolltip_height = 0;
89        $j("#blogs .scrolltip .scrolltiptop").css('height', 0);
90        $j("#blogs .scrolltip .scrolltipbottom").css('height', 0);
91    }
92    var ratio = (viewport_absolute_height / scrollbar_height);
93    $j("#blogs .scrolltip").css('height', scrolltip_height + 'px');
94    $j("#blogs .scrolltip").draggable(
95    {
96        drag: function()
97        {
98            var index = parseInt($j(this).css('top'), 10) * ratio;
99            $j('#titulares').get(0).scrollTop = Math.round(index);
100        },
101        axis: 'y',
102        containment: 'parent'
103    });
104
105    // random position scrollbar
106    var bs = scrollbar_height - parseInt($j("#blogs .scrolltip").css('height'), 10); // bar-scroll
107
108  if($j('#titulares').length > 0) {
109    var ps = $j('#titulares ul').get(0).offsetHeight - $j('#titulares').get(0).offsetHeight; // pan-scroll
110
111    var pos = (Math.floor(Math.random() * 3) / 2);
112    $j('#titulares').get(0).scrollTop = Math.round(ps * pos);
113    $j("#blogs .scrolltip").css('top', Math.round(bs * pos) + 'px');
114  }
115});		
116
117/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */