Two different scripts interfering with each other?

by **Preeminent** » Sun Nov 01, 2009 7:08 pm

Hello everyone! I have a question. I am trying to use a basic jquery slider script, which is working just fine. No problems there, but I am also wanting to use the lightbox 2 script where a thumbnail within the slider is clicked and the bigger version pops up. In theory, should this work fine or are they interfering with each other? Because when I click the thumbnails it just opens up the larger picture in a totally new window. I've looked over my code a bunch of times, but that doesn't mean I didn't miss something. If this should work then I will post up my code if someone has some time to look it over.

by **Preeminent** » Sun Nov 01, 2009 7:16 pm

Using This:http://www.huddletogether.com/projects/lightbox2/ and this:http://sixrevisions.com/tutorials/javascript_tutorial/create-a-slick-and-accessible-slideshow-using-jquery/ together. Again, the slider is working fine, just not the lightbox 2 part of it.

Code: Select all: <div id="main"> <div id="content"> <div id="slideshow"> <div id="slidesContainer"> <div class="slide"><h2></h2> <p><a href="/mcgraw.jpg" rel="lightbox" title="Songs For Tim Mcgraw"><img src="timscreenshotsm.jpg" width="250" height="364" alt="Small, clickable screenshot of songsfortimmcgraw.com"/></a> </div> <div class="slide"> <img src="autumn.png"/> </div> <div class="slide">  </div> <div class="slide">  </div> </div> </div>

by **Andy** » Sun Nov 01, 2009 9:48 pm

Lightbox2 website wrote:Support

It doesn't work at all. The image opens up in a new page. What's wrong?
This is commonly caused by a conflict between scripts. Check your body tag and look for an onload attribute. Example:
Code: Select all
<body onload="MM_preloadImages(‘/images/menu_on.gif’)…;">

A quick fix to this problem is to append the initLightbox() to the onload attribute as so:
Code: Select all
<body onload="MM_preloadImages(‘/images/menu_on.gif’)…;initLightbox()">

by **Preeminent** » Mon Nov 02, 2009 2:13 am

Ok, I did see that part of the troubleshooting, but it went over my head, haha. So I am actually editing the javascript then. I will give this a shot tomorrow, thank you for your reply!

by **Preeminent** » Mon Nov 02, 2009 11:05 pm

Ok, I thought was understanding, but no. What threw me off initially was the

Check your body tag and look for an onload attribute

Because I knew I didn't have any onload attribute in my html. I wasn't even thinking about the jquery. Should I be looking for a body tag somewhere in the script? I'm not seeing it, but will keep looking. I am lost on the

A quick fix to this problem is to append the initLightbox() to the onload attribute as so

What exactly does adding initLightbox do?

by **Ryan Williams** » Wed Nov 04, 2009 7:08 am

(Once again) a live preview would make troubleshooting your problem tremendously easier.

Adding initLightbox() will initiate Lightbox as the name implies — the script evidently needs to be activated once the page has loaded. Having multiple onLoad events can be problematic, resulting in them all fizzing out.

If you're using jQuery you're better off using the ready event, as that can handle as many things as you want and kicks in more quickly than onLoad. Your slider script will already be doing this, however the Lightbox one will need something like:

Code: Select all: <script type="text/javascript"> $(document).ready(function(){ initLightbox(); }); </script>

If you're using one jQuery script then you will find it beneficial to move all your JavaScript needs to jQuery, as each script will require less code, and they'll play nicely together. And definitely avoid using multiple libraries (ie: jQuery, Prototype, etc). My favourite jQuery Lightbox clone is Colorbox.

by **Preeminent** » Fri Nov 06, 2009 1:39 am

Thank you ryan. I will experiment with this advice!

by **Preeminent** » Fri Nov 06, 2009 11:47 pm

ahhh! I wish I wasn't so ignorant with this! I'm just not seeing anything about Body onload anywhere in the script. I did try just adding your suggestion of :

Code: Select all: $(document).ready(function(){ initLightbox(); });

But that didn't work.
Here is the lightbox script:

Code: Select all: // Configurationl // LightboxOptions = Object.extend({ fileLoadingImage: 'images/loading.gif', fileBottomNavCloseImage: 'images/closelabel.gif', overlayOpacity: 0.8, // controls transparency of shadow overlay animate: true, // toggles resizing animations resizeSpeed: 7, // controls the speed of the image resizing animations (1=slowest and 10=fastest) borderSize: 10, //if you adjust the padding in the CSS, you will need to update this variable // When grouping images this is used to write: Image # of #. // Change it for non-english localization labelImage: "Image", labelOf: "of" }, window.LightboxOptions || {}); // ----------------------------------------------------------------------------------- var Lightbox = Class.create(); Lightbox.prototype = { imageArray: [], activeImage: undefined, // initialize() // Constructor runs on completion of the DOM loading. Calls updateImageList and then // the function inserts html at the bottom of the page which is used to display the shadow // overlay and the image container. // initialize: function() { this.updateImageList(); this.keyboardAction = this.keyboardAction.bindAsEventListener(this); if (LightboxOptions.resizeSpeed > 10) LightboxOptions.resizeSpeed = 10; if (LightboxOptions.resizeSpeed < 1) LightboxOptions.resizeSpeed = 1; this.resizeDuration = LightboxOptions.animate ? ((11 - LightboxOptions.resizeSpeed) * 0.15) : 0; this.overlayDuration = LightboxOptions.animate ? 0.2 : 0; // shadow fade in/out duration // When Lightbox starts it will resize itself from 250 by 250 to the current image dimension. // If animations are turned off, it will be hidden as to prevent a flicker of a // white 250 by 250 box. var size = (LightboxOptions.animate ? 250 : 1) + 'px'; // Code inserts html at the bottom of the page that looks similar to this: // // <div id="overlay"></div> // <div id="lightbox"> // <div id="outerImageContainer"> // <div id="imageContainer"> // <img id="lightboxImage"> // <div style="" id="hoverNav"> // <a href="#" id="prevLink"></a> // <a href="#" id="nextLink"></a> // </div> // <div id="loading"> // <a href="#" id="loadingLink"> // <img src="images/loading.gif"> // </a> // </div> // </div> // </div> // <div id="imageDataContainer"> // <div id="imageData"> // <div id="imageDetails"> // <span id="caption"></span> // <span id="numberDisplay"></span> // </div> // <div id="bottomNav"> // <a href="#" id="bottomNavClose"> // <img src="images/close.gif"> // </a> // </div> // </div> // </div> // </div> var objBody = $$('body')[0]; objBody.appendChild(Builder.node('div',{id:'overlay'})); objBody.appendChild(Builder.node('div',{id:'lightbox'}, [ Builder.node('div',{id:'outerImageContainer'}, Builder.node('div',{id:'imageContainer'}, [ Builder.node('img',{id:'lightboxImage'}), Builder.node('div',{id:'hoverNav'}, [ Builder.node('a',{id:'prevLink', href: '#' }), Builder.node('a',{id:'nextLink', href: '#' }) ]), Builder.node('div',{id:'loading'}, Builder.node('a',{id:'loadingLink', href: '#' }, Builder.node('img', {src: LightboxOptions.fileLoadingImage}) ) ) ]) ), Builder.node('div', {id:'imageDataContainer'}, Builder.node('div',{id:'imageData'}, [ Builder.node('div',{id:'imageDetails'}, [ Builder.node('span',{id:'caption'}), Builder.node('span',{id:'numberDisplay'}) ]), Builder.node('div',{id:'bottomNav'}, Builder.node('a',{id:'bottomNavClose', href: '#' }, Builder.node('img', { src: LightboxOptions.fileBottomNavCloseImage }) ) ) ]) ) ])); $('overlay').hide().observe('click', (function() { this.end(); }).bind(this)); $('lightbox').hide().observe('click', (function(event) { if (event.element().id == 'lightbox') this.end(); }).bind(this)); $('outerImageContainer').setStyle({ width: size, height: size }); $('prevLink').observe('click', (function(event) { event.stop(); this.changeImage(this.activeImage - 1); }).bindAsEventListener(this)); $('nextLink').observe('click', (function(event) { event.stop(); this.changeImage(this.activeImage + 1); }).bindAsEventListener(this)); $('loadingLink').observe('click', (function(event) { event.stop(); this.end(); }).bind(this)); $('bottomNavClose').observe('click', (function(event) { event.stop(); this.end(); }).bind(this)); var th = this; (function(){ var ids = 'overlay lightbox outerImageContainer imageContainer lightboxImage hoverNav prevLink nextLink loading loadingLink ' + 'imageDataContainer imageData imageDetails caption numberDisplay bottomNav bottomNavClose'; $w(ids).each(function(id){ th[id] = $(id); }); }).defer(); }, // // updateImageList() // Loops through anchor tags looking for 'lightbox' references and applies onclick // events to appropriate links. You can rerun after dynamically adding images w/ajax. // updateImageList: function() { this.updateImageList = Prototype.emptyFunction; document.observe('click', (function(event){ var target = event.findElement('a[rel^=lightbox]') || event.findElement('area[rel^=lightbox]'); if (target) { event.stop(); this.start(target); } }).bind(this)); }, // // start() // Display overlay and lightbox. If image is part of a set, add siblings to imageArray. // start: function(imageLink) { $$('select', 'object', 'embed').each(function(node){ node.style.visibility = 'hidden' }); // stretch overlay to fill page and fade in var arrayPageSize = this.getPageSize(); $('overlay').setStyle({ width: arrayPageSize[0] + 'px', height: arrayPageSize[1] + 'px' }); new Effect.Appear(this.overlay, { duration: this.overlayDuration, from: 0.0, to: LightboxOptions.overlayOpacity }); this.imageArray = []; var imageNum = 0; if ((imageLink.rel == 'lightbox')){ // if image is NOT part of a set, add single image to imageArray this.imageArray.push([imageLink.href, imageLink.title]); } else { // if image is part of a set.. this.imageArray = $$(imageLink.tagName + '[href][rel="' + imageLink.rel + '"]'). collect(function(anchor){ return [anchor.href, anchor.title]; }). uniq(); while (this.imageArray[imageNum][0] != imageLink.href) { imageNum++; } } // calculate top and left offset for the lightbox var arrayPageScroll = document.viewport.getScrollOffsets(); var lightboxTop = arrayPageScroll[1] + (document.viewport.getHeight() / 10); var lightboxLeft = arrayPageScroll[0]; this.lightbox.setStyle({ top: lightboxTop + 'px', left: lightboxLeft + 'px' }).show(); this.changeImage(imageNum); }, // // changeImage() // Hide most elements and preload image in preparation for resizing image container. // changeImage: function(imageNum) { this.activeImage = imageNum; // update global var // hide elements during transition if (LightboxOptions.animate) this.loading.show(); this.lightboxImage.hide(); this.hoverNav.hide(); this.prevLink.hide(); this.nextLink.hide(); // HACK: Opera9 does not currently support scriptaculous opacity and appear fx this.imageDataContainer.setStyle({opacity: .0001}); this.numberDisplay.hide(); var imgPreloader = new Image(); // once image is preloaded, resize image container imgPreloader.onload = (function(){ this.lightboxImage.src = this.imageArray[this.activeImage][0]; this.resizeImageContainer(imgPreloader.width, imgPreloader.height); }).bind(this); imgPreloader.src = this.imageArray[this.activeImage][0]; }, // // resizeImageContainer() // resizeImageContainer: function(imgWidth, imgHeight) { // get current width and height var widthCurrent = this.outerImageContainer.getWidth(); var heightCurrent = this.outerImageContainer.getHeight(); // get new width and height var widthNew = (imgWidth + LightboxOptions.borderSize * 2); var heightNew = (imgHeight + LightboxOptions.borderSize * 2); // scalars based on change from old to new var xScale = (widthNew / widthCurrent) * 100; var yScale = (heightNew / heightCurrent) * 100; // calculate size difference between new and old image, and resize if necessary var wDiff = widthCurrent - widthNew; var hDiff = heightCurrent - heightNew; if (hDiff != 0) new Effect.Scale(this.outerImageContainer, yScale, {scaleX: false, duration: this.resizeDuration, queue: 'front'}); if (wDiff != 0) new Effect.Scale(this.outerImageContainer, xScale, {scaleY: false, duration: this.resizeDuration, delay: this.resizeDuration}); // if new and old image are same size and no scaling transition is necessary, // do a quick pause to prevent image flicker. var timeout = 0; if ((hDiff == 0) && (wDiff == 0)){ timeout = 100; if (Prototype.Browser.IE) timeout = 250; } (function(){ this.prevLink.setStyle({ height: imgHeight + 'px' }); this.nextLink.setStyle({ height: imgHeight + 'px' }); this.imageDataContainer.setStyle({ width: widthNew + 'px' }); this.showImage(); }).bind(this).delay(timeout / 1000); }, // // showImage() // Display image and begin preloading neighbors. // showImage: function(){ this.loading.hide(); new Effect.Appear(this.lightboxImage, { duration: this.resizeDuration, queue: 'end', afterFinish: (function(){ this.updateDetails(); }).bind(this) }); this.preloadNeighborImages(); }, // // updateDetails() // Display caption, image number, and bottom nav. // updateDetails: function() { // if caption is not null if (this.imageArray[this.activeImage][1] != ""){ this.caption.update(this.imageArray[this.activeImage][1]).show(); } // if image is part of set display 'Image x of x' if (this.imageArray.length > 1){ this.numberDisplay.update( LightboxOptions.labelImage + ' ' + (this.activeImage + 1) + ' ' + LightboxOptions.labelOf + ' ' + this.imageArray.length).show(); } new Effect.Parallel( [ new Effect.SlideDown(this.imageDataContainer, { sync: true, duration: this.resizeDuration, from: 0.0, to: 1.0 }), new Effect.Appear(this.imageDataContainer, { sync: true, duration: this.resizeDuration }) ], { duration: this.resizeDuration, afterFinish: (function() { // update overlay size and update nav var arrayPageSize = this.getPageSize(); this.overlay.setStyle({ height: arrayPageSize[1] + 'px' }); this.updateNav(); }).bind(this) } ); }, // // updateNav() // Display appropriate previous and next hover navigation. // updateNav: function() { this.hoverNav.show(); // if not first image in set, display prev image button if (this.activeImage > 0) this.prevLink.show(); // if not last image in set, display next image button if (this.activeImage < (this.imageArray.length - 1)) this.nextLink.show(); this.enableKeyboardNav(); }, // // enableKeyboardNav() // enableKeyboardNav: function() { document.observe('keydown', this.keyboardAction); }, // // disableKeyboardNav() // disableKeyboardNav: function() { document.stopObserving('keydown', this.keyboardAction); }, // // keyboardAction() // keyboardAction: function(event) { var keycode = event.keyCode; var escapeKey; if (event.DOM_VK_ESCAPE) { // mozilla escapeKey = event.DOM_VK_ESCAPE; } else { // ie escapeKey = 27; } var key = String.fromCharCode(keycode).toLowerCase(); if (key.match(/x|o|c/) || (keycode == escapeKey)){ // close lightbox this.end(); } else if ((key == 'p') || (keycode == 37)){ // display previous image if (this.activeImage != 0){ this.disableKeyboardNav(); this.changeImage(this.activeImage - 1); } } else if ((key == 'n') || (keycode == 39)){ // display next image if (this.activeImage != (this.imageArray.length - 1)){ this.disableKeyboardNav(); this.changeImage(this.activeImage + 1); } } }, // // preloadNeighborImages() // Preload previous and next images. // preloadNeighborImages: function(){ var preloadNextImage, preloadPrevImage; if (this.imageArray.length > this.activeImage + 1){ preloadNextImage = new Image(); preloadNextImage.src = this.imageArray[this.activeImage + 1][0]; } if (this.activeImage > 0){ preloadPrevImage = new Image(); preloadPrevImage.src = this.imageArray[this.activeImage - 1][0]; } }, // // end() // end: function() { this.disableKeyboardNav(); this.lightbox.hide(); new Effect.Fade(this.overlay, { duration: this.overlayDuration }); $$('select', 'object', 'embed').each(function(node){ node.style.visibility = 'visible' }); }, // // getPageSize() // getPageSize: function() { var xScroll, yScroll; if (window.innerHeight && window.scrollMaxY) { xScroll = window.innerWidth + window.scrollMaxX; yScroll = window.innerHeight + window.scrollMaxY; } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac xScroll = document.body.scrollWidth; yScroll = document.body.scrollHeight; } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari xScroll = document.body.offsetWidth; yScroll = document.body.offsetHeight; } var windowWidth, windowHeight; if (self.innerHeight) { // all except Explorer if(document.documentElement.clientWidth){ windowWidth = document.documentElement.clientWidth; } else { windowWidth = self.innerWidth; } windowHeight = self.innerHeight; } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode windowWidth = document.documentElement.clientWidth; windowHeight = document.documentElement.clientHeight; } else if (document.body) { // other Explorers windowWidth = document.body.clientWidth; windowHeight = document.body.clientHeight; } // for small pages with total height less then height of the viewport if(yScroll < windowHeight){ pageHeight = windowHeight; } else { pageHeight = yScroll; } // for small pages with total width less then width of the viewport if(xScroll < windowWidth){ pageWidth = xScroll; } else { pageWidth = windowWidth; } return [pageWidth,pageHeight]; } } document.observe('dom:loaded', function () { new Lightbox(); });

Can I edit any part of this script to make it work in conjuction with the other script?
If not, I will look into colorbox.

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