Galeria De Videos Para Bloggers[Web


 En esta entrada vamos a ver cómo crear una galería de videos de YouTube usando jQuery. Es una elegante galería a la que le caben 5 videos y que por sus dimesiones la pondremos debajo de la cabecera del blog. En realidad puedes ponerla en cualquier parte, pero se recomienda en esa área por los 765px que mide de ancho la galería.

Para agregar este slider de videos en tu blog entra en Plantilla | Edición de HTML y antes de</ head> agrega los scripts:


<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js' type='text/javascript'/>

<script>
//<![CDATA[
/*hoverscroll v.0.2.4*/
(function($) {
$.fn.hoverscroll = function(params) {
if (!params) { params = {}; }
params = $.extend({}, $.fn.hoverscroll.params, params);
this.each(function() {
var $this = $(this);
if (params.debug) {$.log('[HoverScroll] Trying to create hoverscroll on element ' + this.tagName + '#' + this.id);}
if (params.fixedArrows) {
$this.wrap('<div class="fixed-listcontainer"></div>')
}
else {
$this.wrap('<div class="listcontainer"></div>');
}

$this.addClass('list');
var listctnr = $this.parent();
listctnr.wrap('<div class="ui-widget-content hoverscroll' +
(params.rtl && !params.vertical ? " rtl" : "") + '"></div>');
//listctnr.wrap('<div class="hoverscroll"></div>');

var ctnr = listctnr.parent();

var leftArrow, rightArrow, topArrow, bottomArrow;
if (params.arrows) {
if (!params.vertical) {
if (params.fixedArrows) {
leftArrow = '<div class="fixed-arrow left"></div>';
rightArrow = '<div class="fixed-arrow right"></div>';

listctnr.before(leftArrow).after(rightArrow);
}
else {
leftArrow = '<div class="arrow left"></div>';
rightArrow = '<div class="arrow right"></div>';

listctnr.append(leftArrow).append(rightArrow);
}
}
else {
if (params.fixedArrows) {
topArrow = '<div class="fixed-arrow top"></div>';
bottomArrow = '<div class="fixed-arrow bottom"></div>';

listctnr.before(topArrow).after(bottomArrow);
}
else {
topArrow = '<div class="arrow top"></div>';
bottomArrow = '<div class="arrow bottom"></div>';

listctnr.append(topArrow).append(bottomArrow);
}
}
}
ctnr.width(params.width).height(params.height);

if (params.arrows && params.fixedArrows) {
if (params.vertical) {
topArrow = listctnr.prev();
bottomArrow = listctnr.next();

listctnr.width(params.width)
.height(params.height - (topArrow.height() + bottomArrow.height()));
}
else {
leftArrow = listctnr.prev();
rightArrow = listctnr.next();

listctnr.height(params.height)
.width(params.width - (leftArrow.width() + rightArrow.width()));
}
}
else {
listctnr.width(params.width).height(params.height);
}

var size = 0;

if (!params.vertical) {
ctnr.addClass('horizontal');
$this.children().each(function() {
$(this).addClass('item');

if ($(this).outerWidth) {
size += $(this).outerWidth(true);
}
else {
size += $(this).width() + parseInt($(this).css('padding-left')) + parseInt($(this).css('padding-right'))
+ parseInt($(this).css('margin-left')) + parseInt($(this).css('margin-right'));
}
});
$this.width(size);

if (params.debug) {
$.log('[HoverScroll] Computed content width : ' + size + 'px');
}
if (ctnr.outerWidth) {
size = ctnr.outerWidth();
}
else {
size = ctnr.width() + parseInt(ctnr.css('padding-left')) + parseInt(ctnr.css('padding-right'))
+ parseInt(ctnr.css('margin-left')) + parseInt(ctnr.css('margin-right'));
}

if (params.debug) {
$.log('[HoverScroll] Computed container width : ' + size + 'px');
}
}
else {
ctnr.addClass('vertical');
$this.children().each(function() {
$(this).addClass('item')

if ($(this).outerHeight) {
size += $(this).outerHeight(true);
}
else {
size += $(this).height() + parseInt($(this).css('padding-top')) + parseInt($(this).css('padding-bottom'))
+ parseInt($(this).css('margin-bottom')) + parseInt($(this).css('margin-bottom'));
}
});
$this.height(size);

if (params.debug) {
$.log('[HoverScroll] Computed content height : ' + size + 'px');
}
if (ctnr.outerHeight) {
size = ctnr.outerHeight();
}
else {
size = ctnr.height() + parseInt(ctnr.css('padding-top')) + parseInt(ctnr.css('padding-bottom'))
+ parseInt(ctnr.css('margin-top')) + parseInt(ctnr.css('margin-bottom'));
}

if (params.debug) {
$.log('[HoverScroll] Computed container height : ' + size + 'px');
}
}
var zone = {
1: {action: 'move', from: 0, to: 0.06 * size, direction: -1 , speed: 16},
2: {action: 'move', from: 0.06 * size, to: 0.15 * size, direction: -1 , speed: 8},
3: {action: 'move', from: 0.15 * size, to: 0.25 * size, direction: -1 , speed: 4},
4: {action: 'move', from: 0.25 * size, to: 0.4 * size, direction: -1 , speed: 2},
5: {action: 'stop', from: 0.4 * size, to: 0.6 * size},
6: {action: 'move', from: 0.6 * size, to: 0.75 * size, direction: 1 , speed: 2},
7: {action: 'move', from: 0.75 * size, to: 0.85 * size, direction: 1 , speed: 4},
8: {action: 'move', from: 0.85 * size, to: 0.94 * size, direction: 1 , speed: 8},
9: {action: 'move', from: 0.94 * size, to: size, direction: 1 , speed: 16}
}

ctnr[0].isChanging = false;
ctnr[0].direction = 0;
ctnr[0].speed = 1;
function checkMouse(x, y) {
x = x - ctnr.offset().left;
y = y - ctnr.offset().top;

var pos;
if (!params.vertical) {pos = x;}
else {pos = y;}

for (i in zone) {
if (pos >= zone[i].from && pos < zone[i].to) {
if (zone[i].action == 'move') {startMoving(zone[i].direction, zone[i].speed);}
else {stopMoving();}
}
}
}

function setArrowOpacity() {
if (!params.arrows || params.fixedArrows) {return;}

var maxScroll;
var scroll;

if (!params.vertical) {
maxScroll = listctnr[0].scrollWidth - listctnr.width();
scroll = listctnr[0].scrollLeft;
}
else {
maxScroll = listctnr[0].scrollHeight - listctnr.height();
scroll = listctnr[0].scrollTop;
}
var limit = params.arrowsOpacity;
var opacity = (scroll / maxScroll) * limit;

if (opacity > limit) { opacity = limit; }
if (isNaN(opacity)) { opacity = 0; }

var done = false;
if (opacity <= 0) {
$('div.arrow.left, div.arrow.top', ctnr).hide();
if(maxScroll > 0) {
$('div.arrow.right, div.arrow.bottom', ctnr).show().css('opacity', limit);
}
done = true;
}
if (opacity >= limit || maxScroll <= 0) {
$('div.arrow.right, div.arrow.bottom', ctnr).hide();
done = true;
}

if (!done) {
$('div.arrow.left, div.arrow.top', ctnr).show().css('opacity', opacity);
$('div.arrow.right, div.arrow.bottom', ctnr).show().css('opacity', (limit - opacity));
}
}

function startMoving(direction, speed) {
if (ctnr[0].direction != direction) {
if (params.debug) {
$.log('[HoverScroll] Starting to move. direction: ' + direction + ', speed: ' + speed);
}

stopMoving();
ctnr[0].direction = direction;
ctnr[0].isChanging = true;
move();
}
if (ctnr[0].speed != speed) {
if (params.debug) {
$.log('[HoverScroll] Changed speed: ' + speed);
}

ctnr[0].speed = speed;
}
}

function stopMoving() {
if (ctnr[0].isChanging) {
if (params.debug) {
$.log('[HoverScroll] Stoped moving');
}

ctnr[0].isChanging = false;
ctnr[0].direction = 0;
ctnr[0].speed = 1;
clearTimeout(ctnr[0].timer);
}
}

function move() {
if (ctnr[0].isChanging == false) {return;}

setArrowOpacity();

var scrollSide;
if (!params.vertical) {scrollSide = 'scrollLeft';}
else {scrollSide = 'scrollTop';}

listctnr[0][scrollSide] += ctnr[0].direction * ctnr[0].speed;
ctnr[0].timer = setTimeout(function() {move();}, 50);
}

if (params.rtl && !params.vertical) {
listctnr[0].scrollLeft = listctnr[0].scrollWidth - listctnr.width();
}

ctnr
.mousemove(function(e) {checkMouse(e.pageX, e.pageY);})
.bind('mouseleave', function() {stopMoving();});

this.startMoving = startMoving;
this.stopMoving = stopMoving;

if (params.arrows && !params.fixedArrows) {
// Initialise arrow opacity
setArrowOpacity();
}
else {
// Hide arrows
$('.arrowleft, .arrowright, .arrowtop, .arrowbottom', ctnr).hide();
}
});

return this;
};

if (!$.fn.offset) {
$.fn.offset = function() {
this.left = this.top = 0;

if (this[0] && this[0].offsetParent) {
var obj = this[0];
do {
this.left += obj.offsetLeft;
this.top += obj.offsetTop;
} while (obj = obj.offsetParent);
}

return this;
}
}

$.fn.hoverscroll.params = {
vertical: false, 
width: 400,
height: 50, 
arrows: true,
arrowsOpacity: 0.7, 
fixedArrows: false, 
rtl: false, 
debug: false 
};
$.log = function() {
try {console.log.apply(console, arguments);}
catch (e) {
try {opera.postError.apply(opera, arguments);}
catch (e) {}
}
};
})(jQuery);

// Aplicar desde aquí el hack de compatibilidad con Scriptaculous en caso de ser necesario

$(function(){
$("#slidervideo-tabs a").click(function(){
var container = $("#slidervideo-content");
container.html("<img src='http://3.bp.blogspot.com/-IbCgBm3kukw/UI3nvBbvtUI/AAAAAAAADL0/lfqoLXFkhfU/s400/loading.gif' class='loading-vid' />");
var id = $(this).attr("href").slice(1);
loadvideo(id);
return false;
});
$("#slidervideo-tabs").hoverscroll({vertical:true,width:300,height:330,arrows:false});
$("#slidervideo-tabs li").hover(function(){$(this).addClass("hover");},function(){$(this).removeClass("hover");});
loadvideo();
});

function loadvideo (hash){if(hash){hash = hash.slice(3);$("#slidervideo-content").html(video[hash]);$("#slidervideo-tabs li").removeClass("actVid");$("#slidervideo-tabs a[href=#vid"+hash+"]").parent().addClass("actVid");}else{$("#slidervideo-content").html(video[1]);$("#slidervideo-tabs li").removeClass("actVid");$("#slidervideo-tabs a[href=#vid1]").parent().addClass("actVid");}}
//]]>
</script>

Luego agrega los estilos antes de ]]></ b:skin>

/* Galería de videos
----------------------------------------------- */
#slidervideo {
background:#000; /* Color de fondo */
clear:both;
margin:0 auto;
padding:5px;
width:765px;
border-radius: 5px;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
}
#slidervideo, #slidervideo-content, #slidervideo-tabs {height:350px;overflow:hidden;}
#slidervideo-content {color:#fff;float:left;text-align:center;width:460px;z-index:1;}
.loading-vid {display:block;margin:165px auto 0;}
#slidervideo-tabs {float:right;width:300px;margin:0;}
#slidervideo-tabs li {background:url(http://4.bp.blogspot.com/-qgLr9azZ3kk/UI3nvtqmjBI/AAAAAAAADMA/ASkdnSf4SWA/s000/tab_bg.jpeg) repeat-x top left;float:left;height:60px;padding:5px;width:290px;list-style:none;}
#slidervideo-tabs li a {padding:0 !important;border:0 !important;}
#slidervideo-tabs li.hover {background:#333;}
#slidervideo-tabs li.actVid {background:#555;}
#slidervideo-tabs li img.thumb-vid {background-color:#fff;float:left;height:52px;margin:0 8px 0 0;padding:5px;width:52px;}
#slidervideo-tabs li span.vidTit {
display:block;
color:#CD332D; /* Color de los títulos */
font-size:14px; /* Tamaño de los títulos */
font-weight:bold;
text-decoration:none;
}
#slidervideo-tabs li .vidDesc {
display:block;
color:#fff; /* Color de la descripción */
font-size:12px; /* Tamaño del texto de la descripción */
font-weight:bold;
text-decoration:none;
}
#slidervideo-tabs a {text-decoration:none;}
#slidervideo-tabs li.actVid .vidDesc {color:#fff;}
.ui-widget-content{float:right;}
.tabs-outer {background-image: none !important;}
#slidervideo-tabs li a:hover {background: none !important;}
Ahora en un elemento HTML/Javascript pega la estructura del slider, este gadget es el que pondrás debajo de la cabecera:


<script>
var video = [];
video[1] = '<iframe width="460" height="345" src="http://www.youtube.com/embed/ID_video_1" frameborder="0" allowfullscreen></iframe>';
video[2] = '<iframe width="460" height="345" src="http://www.youtube.com/embed/ID_video_2" frameborder="0" allowfullscreen></iframe>';
video[3] = '<iframe width="460" height="345" src="http://www.youtube.com/embed/ID_video_3" frameborder="0" allowfullscreen></iframe>';
video[4] = '<iframe width="460" height="345" src="http://www.youtube.com/embed/ID_video_4" frameborder="0" allowfullscreen></iframe>';
video[5] = '<iframe width="460" height="345" src="http://www.youtube.com/embed/ID_video_5" frameborder="0" allowfullscreen></iframe>';
</script>
<div id="slidervideo">
<div id="slidervideo-content"></div>
<ul id="slidervideo-tabs">
<li><a href="#vid1"><img src="//i2.ytimg.com/vi/ID_video_1/default.jpg" class="thumb-vid" /><span class="vidTit">Nombre del video</span><span class="vidDesc">Descripción del video</span></a></li>

<li><a href="#vid2"><img src="//i2.ytimg.com/vi/ID_video_2/default.jpg" class="thumb-vid" /><span class="vidTit">Nombre del video</span><span class="vidDesc">Descripción del video</span></a></li>

<li><a href="#vid3"><img src="//i2.ytimg.com/vi/ID_video_3/default.jpg" class="thumb-vid" /><span class="vidTit">Nombre del video</span><span class="vidDesc">Descripción del video</span></a></li>

<li><a href="#vid4"><img src="//i2.ytimg.com/vi/ID_video_4/default.jpg" class="thumb-vid" /><span class="vidTit">Nombre del video</span><span class="vidDesc">Descripción del video</span></a></li>

<li><a href="#vid5"><img src="//i2.ytimg.com/vi/ID_video_5/default.jpg" class="thumb-vid" /><span class="vidTit">Nombre del video</span><span class="vidDesc">Descripción del video</span></a></li>

</ul>
</div>

Agrega los IDs de los videos, sus nombres y su descripción y listo. La descripción deberá ser muy breve para que no tengas problemas de espacios.
Si no sabes cómo obtener la ID de un video abre el video en YouTube y mira en la barra de direcciones, los últimos caracteres son la ID que necesitas.
}


Toma en cuenta que la ID de cada video se agrega dos veces, uno es para que muestre el video y otra para la miniatura de las pestañas



Aqui Tienes un Demo!

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