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Pass a class name to fancybox on js call

So I have this fancybox I'm opening like this:
$('.btn-test').on("click",function(){
$.fancybox.open({
'content': $('.modal_size-chart'),
'minWidth': 380,
'minHeight': 550,
'width': 380,
'height': 550,
'maxWidth': 380,
'maxHeight': 550,
'autoScale': false,
'autoDimensions': false,
'fitToView': false,
});
});
My problem is that like this, If I alter the box via css, any change will propagate to all the other fancyboxes I might open and this .modal_size-chart needs some specific styling the rest of the boxes don't.
So is there a way to pass a desired class name to fancybox on call ?

It turns out all I needed to add was the tpl attribute ( which is explained in the documentation site as : Object Containing Various Templates.. jezz...) and the wrap attribute inside the tpl.
so it ended up being like this:
$('.btn-test').on("click",function(){
$.fancybox.open({
'content': $('.modal_size-chart'),
'minWidth': 380,
'minHeight': 550,
'width': 380,
'height': 550,
'maxWidth': 380,
'maxHeight': 550,
'autoScale': false,
'autoDimensions': false,
'fitToView': false,
'tpl': {
wrap:'<div class="fancybox-wrap CLASS I WANT TO ADD HERE" tabindex="-1"><div class="fancybox-skin"><div class="fancybox-outer"><div class="fancybox-inner"></div></div></div></div>'
}
});
});

How to set the background color of the content that should be displayed in a fancybox in jquery?

I have a div that forms the content of the fancybox. I need to change the background color of the div which froms the content of the fancybox on click of a link which will popup the fancybox? How to change it in jquery?
/* Href */
click here
/* FancyBox */
$('#link').on('click', function(e) {
e.preventDefault();
$.fancybox({
'autoScale' : false,
'autoSize' : false,
'autoDimensions': false,
'titleShow' : false,
'padding' : 0,
'overlayOpacity': '.8',
'overlayColor': '#333',
'transitionIn': 'none',
'transitionOut': 'none',
'centerOnScroll': true,
'showCloseButton': true,
'closeBtn' : true,
'scrolling' : true,
'height': 'auto',
'width': 120,
'minHeight' : 160,
'minWidth' : 10,
'maxWidth' : 780,
'type':'ajax',
'href' : 'url/something.html',
helpers : {
overlay : {closeClick: false}
},
'beforeShow' : function(){
var closer = $('button.buttonCTW');
closer.on('click', function() {
$.fancybox.close();
});
$.fancybox.update();
},
});
});

Since you haven't posted any code.. this is just a shot in the dark but this should do the trick:
Fiddle:
http://jsfiddle.net/remix1201/gw0vnzcv/
$(".linkClass").click(function(){
$(".targetClass").css("background-color","YOURCOLORCODEHERE");
});

You can set the background colour of fancy box before it is shown.
$('.fancybox').fancybox({
beforeShow: function() {
$('fancybox-skin').css('background-color', 'red');
}
});

How to refresh an already opened FancyBox popup?

Can anyone tell me how to refresh a Fancybox popup ?
Here is how i create it.
$.fancybox({
'width' : 470, // set the width
'height' : 190,
'autoSize': false,
'transitionIn': 'fade',
'transitionOut': 'fade',
'href': 'pop.jsp',
'autoDimension' : false,
'type': 'iframe',
});

You may be able to do it by refering to $('iframe.fancybox-iframe'), with something like this:
$('iframe.fancybox-iframe').attr('src', function(i, val){return val;});
(according to Reload an iframe with jQuery)
example here: http://jsfiddle.net/pataluc/aLbYr/

Send height and width to fancybox from an image click

I have say 10 images and when anyone of them is clicked they open up a Fancybox frame (HTML). The problem is each images has a different sized Fancybox frame that needs to be opened.
How can I send the height and width from the image being clicked.
$("a.various").fancybox({
beforeClose: function () {
$("#gallery_spacer").remove();
},
openEffect: 'fade',
openSpeed: 1500,
closeEffect: 'fade',
closeSpeed: 400,
padding: '0',
width: 660,
height: 700,
maxWidth: 660,
maxHeight: 700,
fitToView: false,
autoSize: false,
closeClick: false,
autoScale: 'false',
autoDimensions: 'false',
transitionIn: 'true',
transitionOut: 'true',
type: 'iframe',
openEffect: 'fade',
helpers: {
overlay: {
css: {
'background': 'rgba(255, 255, 255, 0.0)'
}
}
}
});
$("a.various1").fancybox({
beforeClose: function () {
$("#gallery_spacer").remove();
},
openEffect: 'fade',
openSpeed: 1500,
closeEffect: 'fade',
closeSpeed: 400,
padding: '0',
scrolling: 'no',
width: 660,
height: 1870,
maxWidth: 660,
maxHeight: 1870,
fitToView: false,
autoSize: false,
closeClick: false,
autoScale: 'false',
autoDimensions: 'false',
transitionIn: 'true',
transitionOut: 'true',
type: 'iframe',
openEffect: 'fade',
helpers: {
overlay: {
css: {
'background': 'rgba(255, 255, 255, 0.0)'
}
}
}
});
The HTML
<li><a class="various1 fade " href="FOOTWEAR_SUB_PAGES/MERCURIAL_SUPERFLY.html"><img src="MAIN_IMAGES/MERCURIAL_SUPERFLY-2.jpg" border="0" /></a></li>
<li><a class="various2 fade " href="FOOTWEAR_SUB_PAGES/AIRMAX_MOTO.html"><img src="MAIN_IMAGES/AIRMX-22.jpg" border="0" /></a></li>

You basically need a single script to bind all your links to fancybox, then use data-* (HTML5) attributes to pass the width and height individually
You could use this html :
<li><a class="fancybox" data-width="660" data-height="700" href="FOOTWEAR_SUB_PAGES/MERCURIAL_SUPERFLY.html"><img src="MAIN_IMAGES/MERCURIAL_SUPERFLY-2.jpg" border="0" /></a></li>
<li><a class="fancybox" data-width="660" data-height="1870" href="FOOTWEAR_SUB_PAGES/AIRMAX_MOTO.html"><img src="MAIN_IMAGES/AIRMX-22.jpg" border="0" /></a></li>
... and fetch the size of each link using fancybox beforeShow callback like :
beforeShow: function () {
this.width = $(this.element).data("width");
this.height = $(this.element).data("height");
}
... where $(this.element) refers to each clicked element.
See JSFIDDLE
Please notice in the fiddle that I commented out some API options that are not valid in v2.x (they are for v1.3.4 and are not compatible)

you can get the width and height of the image like that:
var w = $("a.various1 img").width();
var h = $("a.various1 img").heigth();

Since you are loading content into an iframe, you cannot get the required dimensions for fancybox until after the html is rendered in the iframe.
What you can do is use onComplete to resize the fancybox after the html is rendered as described here.
So for your case you do something like this:
$("a.various").fancybox({
beforeClose: function () { $("#gallery_spacer").remove(); },
'onComplete' : function() {
$('#fancybox-frame').load(function() {
$('#fancybox-content').height($(this).contents().find('body').height()).width($(this).contents().find('body').width());
});
openEffect: 'fade',openSpeed: 1500,closeEffect: 'fade',closeSpeed: 400,'padding': '0','width': 660,'height': 700,
maxWidth: 660,maxHeight: 700,fitToView: false,autoSize: false,closeClick: false,'autoScale': 'false','autoDimensions': 'false',
'transitionIn': 'true','transitionOut': 'true','type': 'iframe','openEffect': 'fade',
helpers: {overlay: { css: {'background': 'rgba(255, 255, 255, 0.0)'}}}});

Fancybox 1.3.x ignores width and height parameters

I am using Fancybox 1.3.4 (currently the latest) and I use the following HTML elements:
<a href="LARGE_URL" title="FANCY_CAPTION" rel="gallery" class="gallery-item">
<img src="SMALL_URL"/>
</a>
<a> ... repeat N times... </a>
Then I use the following jQuery code:
<script>
$(document).ready(function() {
$('a.gallery-item').fancybox({
'autoDimensions': 'false',
'width':900,
'height':'auto',
'cyclic': true,
'centerOnScroll': 'false',
'hideOnOverlayClick': true,
'hideOnContentClick': false,
'overlayShow': true,
'overlayOpacity': 0.7,
'overlayColor': '#666',
'titleShow': true,
'titlePosition': 'inside',
'transitionIn': 'elastic',
'transitionOut': 'elastic',
'speedIn': 400,
'speedOut': 200,
'showCloseButton': true,
'showNavArrows': true,
'enableEscapeButton': true
});
});
</script>
I also tried
'width':'900',
or setting both
'width':900,
'height':600,
but it just does not work.
Any solutions to this?
I need the #fancybox-wrapper element in an exact size.

try to remove quotes around false:
'autoDimensions': false