document.write("") var stepcarousel = { ajaxloadingmsg: '
Fetching Content. Please wait...
', //customize HTML to show while fetching Ajax content defaultbuttonsfade: 0.4, //Fade degree for disabled nav buttons (0=completely transparent, 1=completely opaque) configholder: {}, getCSSValue: function (val) { //Returns either 0 (if val contains 'auto') or val as an integer return (val == "auto") ? 0 : parseInt(val) }, getremotepanels: function ($, config) { //function to fetch external page containing the panel DIVs config.$belt.html(this.ajaxloadingmsg) $.ajax({ url: config.contenttype[1], //path to external content async: true, error: function (ajaxrequest) { config.$belt.html('Error fetching content.
Server Response: ' + ajaxrequest.responseText) }, success: function (content) { config.$belt.html(content) config.$panels = config.$gallery.find('.' + config.panelclass) stepcarousel.alignpanels($, config) } }) }, getoffset: function (what, offsettype) { return (what.offsetParent) ? what[offsettype] + this.getoffset(what.offsetParent, offsettype) : what[offsettype] }, getCookie: function (Name) { var re = new RegExp(Name + "=[^;]+", "i"); //construct RE to search for target name/value pair if (document.cookie.match(re)) //if cookie found return document.cookie.match(re)[0].split("=")[1] //return its value return null }, setCookie: function (name, value) { document.cookie = name + "=" + value }, fadebuttons: function (config, currentpanel) { config.$leftnavbutton.fadeTo('fast', currentpanel == 0 ? this.defaultbuttonsfade : 1) config.$rightnavbutton.fadeTo('fast', currentpanel == config.lastvisiblepanel ? this.defaultbuttonsfade : 1) if (currentpanel == config.lastvisiblepanel) { stepcarousel.stopautostep(config) } }, addnavbuttons: function ($, config, currentpanel) { config.$leftnavbutton = $('').css({ zIndex: 50, position: 'absolute', left: config.offsets.left + config.defaultbuttons.leftnav[1] + 'px', top: config.offsets.top + config.defaultbuttons.leftnav[2] + 'px', cursor: 'hand', cursor: 'pointer' }).attr({ title: 'Back ' + config.defaultbuttons.moveby + ' panels' }).appendTo('body') config.$rightnavbutton = $('').css({ zIndex: 50, position: 'absolute', left: config.offsets.left + config.$gallery.get(0).offsetWidth + config.defaultbuttons.rightnav[1] + 'px', top: config.offsets.top + config.defaultbuttons.rightnav[2] + 'px', cursor: 'hand', cursor: 'pointer' }).attr({ title: 'Forward ' + config.defaultbuttons.moveby + ' panels' }).appendTo('body') config.$leftnavbutton.bind('click', function () { //assign nav button event handlers stepcarousel.stepBy(config.galleryid, -config.defaultbuttons.moveby) }) config.$rightnavbutton.bind('click', function () { //assign nav button event handlers stepcarousel.stepBy(config.galleryid, config.defaultbuttons.moveby) }) if (config.panelbehavior.wraparound == false) { //if carousel viewer should stop at first or last panel (instead of wrap back or forth) this.fadebuttons(config, currentpanel) } return config.$leftnavbutton.add(config.$rightnavbutton) }, alignpanels: function ($, config) { var paneloffset = 0 config.paneloffsets = [paneloffset] //array to store upper left offset of each panel (1st element=0) config.panelwidths = [] //array to store widths of each panel config.$panels.each(function (index) { //loop through panels var $currentpanel = $(this) $currentpanel.css({ float: 'none', position: 'absolute', left: paneloffset + 'px' }) //position panel $currentpanel.bind('click', function (e) { return config.onpanelclick(e.target) }) //bind onpanelclick() to onclick event paneloffset += stepcarousel.getCSSValue($currentpanel.css('marginRight')) + parseInt($currentpanel.get(0).offsetWidth || $currentpanel.css('width')) //calculate next panel offset config.paneloffsets.push(paneloffset) //remember this offset config.panelwidths.push(paneloffset - config.paneloffsets[config.paneloffsets.length - 2]) //remember panel width }) config.paneloffsets.pop() //delete last offset (redundant) var addpanelwidths = 0 var lastpanelindex = config.$panels.length - 1 config.lastvisiblepanel = lastpanelindex for (var i = config.$panels.length - 1; i >= 0; i--) { addpanelwidths += (i == lastpanelindex ? config.panelwidths[lastpanelindex] : config.paneloffsets[i + 1] - config.paneloffsets[i]) if (config.gallerywidth > addpanelwidths) { config.lastvisiblepanel = i //calculate index of panel that when in 1st position reveals the very last panel all at once based on gallery width } } config.$belt.css({ width: paneloffset + 'px' }) //Set Belt DIV to total panels' widths config.currentpanel = (config.panelbehavior.persist) ? parseInt(this.getCookie(config.galleryid + "persist")) : 0 //determine 1st panel to show by default config.currentpanel = (typeof config.currentpanel == "number" && config.currentpanel < config.$panels.length) ? config.currentpanel : 0 var endpoint = config.paneloffsets[config.currentpanel] + (config.currentpanel == 0 ? 0 : config.beltoffset) config.$belt.css({ left: -endpoint + 'px' }) if (config.defaultbuttons.enable == true) { //if enable default back/forth nav buttons var $navbuttons = this.addnavbuttons($, config, config.currentpanel) $(window).bind("load resize", function () { //refresh position of nav buttons when page loads/resizes, in case offsets weren't available document.oncontentload config.offsets = { left: stepcarousel.getoffset(config.$gallery.get(0), "offsetLeft"), top: stepcarousel.getoffset(config.$gallery.get(0), "offsetTop") } config.$leftnavbutton.css({ left: config.offsets.left + config.defaultbuttons.leftnav[1] + 'px', top: config.offsets.top + config.defaultbuttons.leftnav[2] + 'px' }) config.$rightnavbutton.css({ left: config.offsets.left + config.$gallery.get(0).offsetWidth + config.defaultbuttons.rightnav[1] + 'px', top: config.offsets.top + config.defaultbuttons.rightnav[2] + 'px' }) }) } if (config.autostep && config.autostep.enable) { //enable auto stepping of Carousel? var $carouselparts = config.$gallery.add(typeof $navbuttons != "undefined" ? $navbuttons : null) $carouselparts.bind('click', function () { config.autostep.status = "stopped" stepcarousel.stopautostep(config) }) $carouselparts.hover(function () { //onMouseover stepcarousel.stopautostep(config) config.autostep.hoverstate = "over" }, function () { //onMouseout if (config.steptimer && config.autostep.hoverstate == "over" && config.autostep.status != "stopped") { config.steptimer = setInterval(function () { stepcarousel.autorotate(config.galleryid) }, config.autostep.pause) config.autostep.hoverstate = "out" } }) config.steptimer = setInterval(function () { stepcarousel.autorotate(config.galleryid) }, config.autostep.pause) //automatically rotate Carousel Viewer } //end enable auto stepping check this.createpaginate($, config) this.statusreport(config.galleryid) config.oninit() config.onslideaction(this) }, stepTo: function (galleryid, pindex) { /*User entered pindex starts at 1 for intuitiveness. Internally pindex still starts at 0 */ var config = stepcarousel.configholder[galleryid] if (typeof config == "undefined") { //alert("There's an error with your set up of Carousel Viewer \""+galleryid+ "\"!") return } stepcarousel.stopautostep(config) var pindex = Math.min(pindex - 1, config.paneloffsets.length - 1) var endpoint = config.paneloffsets[pindex] + (pindex == 0 ? 0 : config.beltoffset) if (config.panelbehavior.wraparound == false && config.defaultbuttons.enable == true) { //if carousel viewer should stop at first or last panel (instead of wrap back or forth) this.fadebuttons(config, pindex) } config.$belt.animate({ left: -endpoint + 'px' }, config.panelbehavior.speed, function () { config.onslideaction(this) }) config.currentpanel = pindex this.statusreport(galleryid) }, stepBy: function (galleryid, steps, isauto) { var config = stepcarousel.configholder[galleryid] if (typeof config == "undefined") { //alert("There's an error with your set up of Carousel Viewer \""+galleryid+ "\"!") return } if (!isauto) //if stepBy() function isn't called by autorotate() function stepcarousel.stopautostep(config) var direction = (steps > 0) ? 'forward' : 'back' //If "steps" is negative, that means backwards var pindex = config.currentpanel + steps //index of panel to stop at if (config.panelbehavior.wraparound == false) { //if carousel viewer should stop at first or last panel (instead of wrap back or forth) pindex = (direction == "back" && pindex <= 0) ? 0 : (direction == "forward") ? Math.min(pindex, config.lastvisiblepanel) : pindex if (config.defaultbuttons.enable == true) { //if default nav buttons are enabled, fade them in and out depending on if at start or end of carousel stepcarousel.fadebuttons(config, pindex) } } else { //else, for normal stepBy behavior if (pindex > config.lastvisiblepanel && direction == "forward") { //if destination pindex is greater than last visible panel, yet we're currently not at the end of the carousel yet pindex = (config.currentpanel < config.lastvisiblepanel) ? config.lastvisiblepanel : 0 } else if (pindex < 0 && direction == "back") { //if destination pindex is less than 0, yet we're currently not at the beginning of the carousel yet pindex = (config.currentpanel > 0) ? 0 : config.lastvisiblepanel /*wrap around left*/ } } var endpoint = config.paneloffsets[pindex] + (pindex == 0 ? 0 : config.beltoffset) //left distance for Belt DIV to travel to if (config.panelbehavior.wraparound == true && config.panelbehavior.wrapbehavior == "pushpull" && (pindex == 0 && direction == 'forward' || config.currentpanel == 0 && direction == 'back')) { //decide whether to apply "push pull" effect config.$belt.animate({ left: -config.paneloffsets[config.currentpanel] - (direction == 'forward' ? 100 : -30) + 'px' }, 'normal', function () { config.$belt.animate({ left: -endpoint + 'px' }, config.panelbehavior.speed, function () { config.onslideaction(this) }) }) } else config.$belt.animate({ left: -endpoint + 'px' }, config.panelbehavior.speed, function () { config.onslideaction(this) }) config.currentpanel = pindex this.statusreport(galleryid) }, stepBy2: function () { galleryid = "mygallery"; steps = 1; isauto = 0; var config = stepcarousel.configholder[galleryid] if (typeof config == "undefined") { //alert("There's an error with your set up of Carousel Viewer \""+galleryid+ "\"!") return } if (!isauto) //if stepBy() function isn't called by autorotate() function stepcarousel.stopautostep(config) var direction = (steps > 0) ? 'forward' : 'back' //If "steps" is negative, that means backwards var pindex = config.currentpanel + steps //index of panel to stop at if (config.panelbehavior.wraparound == false) { //if carousel viewer should stop at first or last panel (instead of wrap back or forth) pindex = (direction == "back" && pindex <= 0) ? 0 : (direction == "forward") ? Math.min(pindex, config.lastvisiblepanel) : pindex if (config.defaultbuttons.enable == true) { //if default nav buttons are enabled, fade them in and out depending on if at start or end of carousel stepcarousel.fadebuttons(config, pindex) } } else { //else, for normal stepBy behavior if (pindex > config.lastvisiblepanel && direction == "forward") { //if destination pindex is greater than last visible panel, yet we're currently not at the end of the carousel yet pindex = (config.currentpanel < config.lastvisiblepanel) ? config.lastvisiblepanel : 0 } else if (pindex < 0 && direction == "back") { //if destination pindex is less than 0, yet we're currently not at the beginning of the carousel yet pindex = (config.currentpanel > 0) ? 0 : config.lastvisiblepanel /*wrap around left*/ } } var endpoint = config.paneloffsets[pindex] + (pindex == 0 ? 0 : config.beltoffset) //left distance for Belt DIV to travel to if (config.panelbehavior.wraparound == true && config.panelbehavior.wrapbehavior == "pushpull" && (pindex == 0 && direction == 'forward' || config.currentpanel == 0 && direction == 'back')) { //decide whether to apply "push pull" effect config.$belt.animate({ left: -config.paneloffsets[config.currentpanel] - (direction == 'forward' ? 100 : -30) + 'px' }, 'normal', function () { config.$belt.animate({ left: -endpoint + 'px' }, config.panelbehavior.speed, function () { config.onslideaction(this) }) }) } else config.$belt.animate({ left: -endpoint + 'px' }, config.panelbehavior.speed, function () { config.onslideaction(this) }) config.currentpanel = pindex this.statusreport(galleryid) }, autorotate: function (galleryid) { var config = stepcarousel.configholder[galleryid] config.$belt.stop(true, true) this.stepBy(galleryid, config.autostep.moveby, true) }, stopautostep: function (config) { clearTimeout(config.steptimer) }, statusreport: function (galleryid) { var config = stepcarousel.configholder[galleryid] if (config.statusvars.length == 3) { //if 3 status vars defined var startpoint = config.currentpanel //index of first visible panel var visiblewidth = 0 for (var endpoint = startpoint; endpoint < config.paneloffsets.length; endpoint++) { //index (endpoint) of last visible panel visiblewidth += config.panelwidths[endpoint] if (visiblewidth > config.gallerywidth) { break } } startpoint += 1 //format startpoint for user friendiness endpoint = (endpoint + 1 == startpoint) ? startpoint : endpoint //If only one image visible on the screen and partially hidden, set endpoint to startpoint var valuearray = [startpoint, endpoint, config.panelwidths.length] for (var i = 0; i < config.statusvars.length; i++) { window[config.statusvars[i]] = valuearray[i] //Define variable (with user specified name) and set to one of the status values config.$statusobjs[i].text(valuearray[i] + " ") //Populate element on page with ID="user specified name" with one of the status values } } stepcarousel.selectpaginate(jQuery, galleryid) }, createpaginate: function ($, config) { if (config.$paginatediv.length == 1) { var $templateimg = config.$paginatediv.find('img["data-over"]:eq(0)') //reference first matching image on page var controlpoints = [], controlsrc = [], imgarray = [], moveby = $templateimg.attr("data-moveby") || 1 var asize = (moveby == 1 ? 0 : 1) + Math.floor((config.lastvisiblepanel + 1) / moveby) //calculate # of pagination links to create var imghtml = $('
').append($templateimg.clone()).html() //get HTML of first matching image srcs = [$templateimg.attr('src'), $templateimg.attr('data-over'), $templateimg.attr('data-select')] //remember control's over and out, and selected image src for (var i = 0; i < asize; i++) { var moveto = Math.min(i * moveby, config.lastvisiblepanel) imgarray.push(imghtml.replace(/>$/, ' data-index="' + i + '" data-moveto="' + moveto + '" title="Move to Panel ' + (moveto + 1) + '">') + '\n') controlpoints.push(moveto) //store panel index each control goes to when clicked on } var $controls = $('').replaceAll($templateimg).append(imgarray.join('')).find('img') //replace template link with links and return them $controls.css({ cursor: 'pointer' }) config.$paginatediv.bind('click', function (e) { var $target = $(e.target) if ($target.is('img') && $target.attr('data-over')) { stepcarousel.stepTo(config.galleryid, parseInt($target.attr('data-moveto')) + 1) } }) config.$paginatediv.bind('mouseover mouseout', function (e) { var $target = $(e.target) if ($target.is('img') && $target.attr('data-over')) { if (parseInt($target.attr('data-index')) != config.pageinfo.curselected) //if this isn't the selected link $target.attr('src', srcs[(e.type == "mouseover") ? 1 : 0]) } }) config.pageinfo = { controlpoints: controlpoints, $controls: $controls, srcs: srcs, prevselected: null, curselected: null } } }, selectpaginate: function ($, galleryid) { var config = stepcarousel.configholder[galleryid] if (config.$paginatediv.length == 1) { for (var i = 0; i < config.pageinfo.controlpoints.length; i++) { if (config.pageinfo.controlpoints[i] <= config.currentpanel) //find largest control point that's less than or equal to current panel shown config.pageinfo.curselected = i } if (typeof config.pageinfo.prevselected != null) //deselect previously selected link (if found) config.pageinfo.$controls.eq(config.pageinfo.prevselected).attr('src', config.pageinfo.srcs[0]) config.pageinfo.$controls.eq(config.pageinfo.curselected).attr('src', config.pageinfo.srcs[2]) //select current paginate link config.pageinfo.prevselected = config.pageinfo.curselected //set current selected link to previous } }, loadcontent: function (galleryid, url) { var config = stepcarousel.configholder[galleryid] config.contenttype = ['ajax', url] stepcarousel.stopautostep(config) stepcarousel.resetsettings($, config) stepcarousel.init(jQuery, config) }, init: function ($, config) { config.gallerywidth = config.$gallery.width() config.offsets = { left: stepcarousel.getoffset(config.$gallery.get(0), "offsetLeft"), top: stepcarousel.getoffset(config.$gallery.get(0), "offsetTop") } config.$belt = config.$gallery.find('.' + config.beltclass) //Find Belt DIV that contains all the panels config.$panels = config.$gallery.find('.' + config.panelclass) //Find Panel DIVs that each contain a slide config.panelbehavior.wrapbehavior = config.panelbehavior.wrapbehavior || "pushpull" //default wrap behavior to "pushpull" config.$paginatediv = $('#' + config.galleryid + '-paginate') //get pagination DIV (if defined) if (config.autostep) config.autostep.pause += config.panelbehavior.speed config.onpanelclick = (typeof config.onpanelclick == "undefined") ? function (target) { } : config.onpanelclick //attach custom "onpanelclick" event handler config.onslideaction = (typeof config.onslide == "undefined") ? function () { } : function (beltobj) { $(beltobj).stop(); config.onslide() } //attach custom "onslide" event handler config.oninit = (typeof config.oninit == "undefined") ? function () { } : config.oninit //attach custom "oninit" event handler config.beltoffset = stepcarousel.getCSSValue(config.$belt.css('marginLeft')) //Find length of Belt DIV's left margin config.statusvars = config.statusvars || [] //get variable names that will hold "start", "end", and "total" slides info config.$statusobjs = [$('#' + config.statusvars[0]), $('#' + config.statusvars[1]), $('#' + config.statusvars[2])] config.currentpanel = 0 stepcarousel.configholder[config.galleryid] = config //store config parameter as a variable if (config.contenttype[0] == "ajax" && typeof config.contenttype[1] != "undefined") //fetch ajax content? stepcarousel.getremotepanels($, config) else stepcarousel.alignpanels($, config) //align panels and initialize gallery }, resetsettings: function ($, config) { config.$gallery.unbind() config.$belt.stop() config.$panels.remove() if (config.$leftnavbutton) { config.$leftnavbutton.remove() config.$rightnavbutton.remove() } if (config.$paginatediv.length == 1) { config.$paginatediv.unbind() config.pageinfo.$controls.eq(0).attr('src', config.pageinfo.srcs[0]).removeAttr('data-index').removeAttr('data-moveto').removeAttr('title') //reset first pagination link so it acts as template again .end().slice(1).remove() //then remove all but first pagination link } if (config.autostep) config.autostep.status = null if (config.panelbehavior.persist) { stepcarousel.setCookie(window[config.galleryid + "persist"], 0) //set initial panel to 0, overridden w/ current panel if window.unload is invoked } }, setup: function (config) { //Disable Step Gallery scrollbars ASAP dynamically (enabled for sake of users with JS disabled) document.write('') jQuery(document).ready(function ($) { config.$gallery = $('#' + config.galleryid) stepcarousel.init($, config) }) //end document.ready jQuery(window).bind('unload', function () { //clean up on page unload stepcarousel.resetsettings($, config) if (config.panelbehavior.persist) stepcarousel.setCookie(config.galleryid + "persist", config.currentpanel) jQuery.each(config, function (ai, oi) { oi = null }) config = null }) } } document.write(""); stepcarousel.setup({ galleryid: 'mygallery', beltclass: 'belt', panelclass: 'panel', panelbehavior: { speed: 500, wraparound: true, wrapbehavior: 'pushpull', persist: false }, defaultbuttons: { enable: false, moveby: 1, leftnav: ['arrowl.gif', -10, 100], rightnav: ['arrowr.gif', -10, 100] }, statusvars: ['reportA', 'reportB', 'reportC'], contenttype: ['inline'] });