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How to add custom loading image in CustomBox?

I am using CustomBox plugin (http://dixso.github.io/custombox/) for modal dialog. When I click button to open dialog, it loads image (or icon) that is inside library code. It has only property loader, but there is no custom image icon attribute.
var modal = new Custombox.modal({
content: {
target: '#open',
effect: 'fadein',
},
loader: {
active: true,
color: '#fff',
speed: 1000,
}
});
modal.open();
The problem is loading animation lasts less then a second, so I can not catch this container with dev tool to get image/icon source.

You can do this by ovveriding the loader css style
and setting custom background + removing the border (set to 0 ) also remove css animation .
PS: the speed loader seems doesn't work correctly , because whether changing the value or not the image show only for a bit
See below snippet :
var modal = new Custombox.modal({
content: {
target: '#open',
},
loader : {
active: true,
background: '#4d0',
speed:10000
}
});
setTimeout(function(){
modal.open();
},1000)
.custombox-loader{
background:url('https://gifimage.net/wp-content/uploads/2017/07/gif-uploader-10.gif') no-repeat;
background-size:100%;
border-width:0px !important;
animation-name:none!important;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/custombox/4.0.3/custombox.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/custombox/4.0.3/custombox.min.js"></script>
<div id="open"></div>

Colorbox positioning on top of another element

I've got quite an issue with positioning of colorbox. The methods described on official website http://www.jacklmoore.com/colorbox/ are not quite enough for my purpose. The thing is that I have button opening the colorbox and I need to position it "over the button" (button is 50px height, colorbox is something about 700px height so I need to center it over the button (something like 300px top of the button).
I have tried basic repositioning with jquery in onOpen and onLoad function in colorbox like:
onOpen:function() {
$('#colorbox').removeAttr('top');
$('#colorbox').css('top','200px');
},
It works but colorbox settings automatically overwrite those settings right after onOpen or onLoad and colorbox is positioned in center of the viewport again.
So I am basically calling for help, colorbox positioning settings like top, left etc. are simply not enough for positioning on top of the button element.
Thanks in advance!
Edit: full code below
$(".reserve_").live('click',function() {
var loadUrl = $(this).attr("href");
$.colorbox({
innerWidth:660,
innerHeight:720,
returnFocus: true,
overlayClose: true,
fixed: false,
iframe: true,
href: loadUrl,
opacity: 0.6,
reposition: true,
onOpen:function() {
$('#colorbox').removeAttr('top');//test
$('#colorbox').css('top','200px');//test
},
onLoad: function() {
$('#colorbox').removeAttr('top');//test
$('#colorbox').css('top','200px');//test
},
onClosed:function() {
}
});
return false;
});
EDIT 2: link on jsfiddle: http://jsfiddle.net/zS8J8/8/ (sorry about the messy code in CSS and HTML)

The jsfiddle was helpful, I was able to use the same code as you and get it working.
This was tested in firefox 20, chrome 26, IE 9 on Win 7. The "Open Colorbox" link isn't visible in IE using your HTML, but if you move your mouse in that area, you'll see the cursor change and if you click, Colorbox will open in the correct location.
Here's the HTML, I changed class="rezervuj" to id="rezervuj" because we're keying on a single element rather than a bunch of images:
<h3 style="margin-bottom: 300px;">TOP OF THE PAGE</h3>
<div class="unitKontejner">
<div style="float:right;">
<a id="rezervuj" href="http://www.imgur.com">
<div class="reserveIt">
<div class="reserveIt-content">
open colorbox »
</div>
</div>
</a>
</div>
</div>
Here's the script that you can put in the head:
<script>
$(document).ready(function(){
// I removed the options that were set to the default.
// The top and left can be left out or set to a default,
// I used them as a test to see the difference when the event hook is used.
$("#rezervuj").colorbox({
iframe:true,
innerWidth:660,
innerHeight:720,
opacity: 0.6,
top: 0,
left: 0
});
// Use the "cbox_complete" event hook.
// It allows the colorbox div to be positioned after it opens,
// but before the content is loaded.
$(document).bind('cbox_complete', function(){
// Grab the position of the button,
// colorbox can be positioned relative to it.
var pos = $(rezervuj).position();
//console.log(pos);
// Set the position of the colorbox div
// You can add to or subtract from the pos values
// Example: top: (pos.top + 20) + "px"
$("#colorbox").css({
position: "absolute",
top: pos.top + "px",
left: pos.left + "px"
}).show();
});
});
</script>

you can also try this.
$.colorbox({
width: "600px", height: "500px", inline: false, overlayClose: false, escKey: true, iframe: true,
onComplete: function () {
$('#colorbox').removeAttr('top');//test
$('#colorbox').css('top', '100px');//test
$('#colorbox').removeAttr('display');//test
$('#colorbox').css('display', 'block');//test
},
onLoad: function () {
$('#colorbox').removeAttr('display');//test
$('#colorbox').css('display', 'none');//test
},
});

How to implement jquery like slideDown() in zepto

I am using zepto library for my mobile web site. I have recently learnt that zepto does not have slideDown() plugin like jquery. I would like to implement the same for zepto.
I have tried one on jsfiddle (http://jsfiddle.net/goje87/keHMp/1/). Here it does not animate while showing the element. It just flashes down. How do I bring in the animation?
PS: I cannot provide a fixed height because I would be applying this plugin to the elements whose height property would not be known.
Thanks in advace!!

Demo: http://jsfiddle.net/6zkSX/5
JavaScript:
(function ($) {
$.fn.slideDown = function (duration) {
// get old position to restore it then
var position = this.css('position');
// show element if it is hidden (it is needed if display is none)
this.show();
// place it so it displays as usually but hidden
this.css({
position: 'absolute',
visibility: 'hidden'
});
// get naturally height
var height = this.height();
// set initial css for animation
this.css({
position: position,
visibility: 'visible',
overflow: 'hidden',
height: 0
});
// animate to gotten height
this.animate({
height: height
}, duration);
};
})(Zepto);
$(function () {
$('.slide-trigger').on('click', function () {
$('.slide').slideDown(2000);
});
});​
​

This worked for me:
https://github.com/Ilycite/zepto-slide-transition
The Zepto Slide Transition plugin add to Zepto.js the functions bellow :
slideDown();
slideUp();
slideToggle();

Speransky's answer was helpful, and I'm offering a simplified alternative for a common drop-down navigation list, and separated into slideUp and slideDown on jsfiddle: http://jsfiddle.net/kUG3U/1/
$.fn.slideDown = function (duration) {
// show element if it is hidden (it is needed if display is none)
this.show();
// get naturally height
var height = this.height();
// set initial css for animation
this.css({
height: 0
});
// animate to gotten height
this.animate({
height: height
}, duration);
};

This would work for what you need:
https://github.com/NinjaBCN/zepto-slide-transition

Optimize sliding/collapsible sidebar

I customize a collapsible sidebar from this article
(http://devheart.org/articles/jquery-collapsible-sidebar-layout/) for my own project But it looks a bit funky and not right.
Please take a look at the project here:
http://jsbin.com/oliluz/45
The sidebar seems animating properly, but the #mainContent isn't animating along with the sidebar. It's toggling in stiffly and harsh.
Also advice if the way i added my code are optimize.
Thanks!

The new width of the #mainContent is determined by CSS; which is why it isn't animated. To animate the width of the mainContent as well, try the following:
Remove the following line from the CSS:
#wrap.sidebar #mainContent { margin-right: 270px; }
Modify the JavaScript to add the appropriate animations:
// Variables
var objMain = $('#wrap'), objSidebar = $('#sidebar');
var objContent = $('#mainContent'); // << ADDED
// Show sidebar
function showSidebar(){
objMain.removeClass('nosidebar');
objMain.addClass('sidebar');
objSidebar.animate({ 'right' : '0'},'slow');
objContent.animate({ 'margin-right': 270}, 'slow'); // << ADDED
$.cookie('sidebar-pref2', 'use-sidebar', { expires: 30 });
}
// Hide sidebar
function hideSidebar(){
objMain.removeClass('sidebar');
objMain.addClass('nosidebar');
objSidebar.animate({ 'right' : '-254px'},'slow');
objContent.animate({ 'margin-right': 0}, 'slow'); // << ADDED
$.cookie('sidebar-pref2', null, { expires: 30 });
}

Todays Special: How is this done? Is there a jquery plugin or product to do it?

I saw this technique at the bottom of a web page where the TAB stays in place at the bottom of the page and can be opened and closed to display more info. I assume it can be rotated to display a different special for different days. Can you point me to anything like it or explain the technique ? thanks. Here is a sample: http://www.tmdhosting.com/ look at the bottom of the page .

position: fixed is how you manage to keep something at the bottom or top of the page, regardless of scrolling.
This is easily discoverable using firebug's (http://getfirebug.com/) inspect element feature

You can check out my version of this at uxspoke.com
I wrote a jQuery plugin to do it, and calling it is straightforward:
$('#about').pulloutPanel({open:true}).
click(function() { $(this).trigger('toggle'); }) });
I basically instrument the panel to support "open", "close" events, and the implement the appropriate animations around them. The only "hard" part is getting the height right. It also supports "toggle" so you can add a generic click handler to it to open or close it. Finally, it uses opened/closed classes to keep track of its current state. That's it!
The code's pretty coupled to the technologies on the page (Csster) and the design it is in, so I'm not sure it will work for you. You can either use Csster, or just put the CSS rules into your stylesheet and remove them from the code. The important Css attributes are the positioning and bottom.
Here it is:
$.fn.pulloutPanel = function(options) {
var settings = $.extend({}, {
attachTo: 'bottom',
css: {
left: 0,
minHeight: 390,
border: '1px 1px 1px 0 solid #666',
has: [roundedCorners('tr', 10),boxShadow([0,0], 10, phaseToColor('requirements').saturate(-30).darken(50))],
cursor: 'pointer'
}, options);
return $(this).each(function() {
var $this = $(this);
$this.addClass('pullout_panel');
$this.bind('open', function(event) {
$this.animate({bottom: 0}, 'slow', 'easeOutBounce', function() {
$this.removeClass('closed').addClass('opened');
$this.trigger('opened');
});
});
$this.bind('close', function(event) {
var height = $this.innerHeight();
$this.animate({bottom: -height + 50}, 'slow', 'easeOutBounce', function() {
$this.addClass('closed').removeClass('opened');
$this.trigger('closed');
});
});
$this.bind('toggle', function(event) {
$this.trigger($this.hasClass('opened') ? 'close' : 'open');
});
once(function() {
Csster.style({
'.pullout_panel': {
position: 'fixed',
bottom: 0,
has: [settings.css]
}
});
});
$this.trigger(settings.open ? 'open' : 'close');
});
};