diff options
author | Scott Jackson <daneren2005@gmail.com> | 2012-07-02 21:24:02 -0700 |
---|---|---|
committer | Scott Jackson <daneren2005@gmail.com> | 2012-07-02 21:24:02 -0700 |
commit | a1a18f77a50804e0127dfa4b0f5240c49c541184 (patch) | |
tree | 19a38880afe505beddb5590379a8134d7730a277 /subsonic-site/src/main/webapp/inc/js/FancyZoom.js | |
parent | b61d787706979e7e20f4c3c4f93c1f129d92273f (diff) | |
download | dsub-a1a18f77a50804e0127dfa4b0f5240c49c541184.tar.gz dsub-a1a18f77a50804e0127dfa4b0f5240c49c541184.tar.bz2 dsub-a1a18f77a50804e0127dfa4b0f5240c49c541184.zip |
Initial Commit
Diffstat (limited to 'subsonic-site/src/main/webapp/inc/js/FancyZoom.js')
-rw-r--r-- | subsonic-site/src/main/webapp/inc/js/FancyZoom.js | 761 |
1 files changed, 761 insertions, 0 deletions
diff --git a/subsonic-site/src/main/webapp/inc/js/FancyZoom.js b/subsonic-site/src/main/webapp/inc/js/FancyZoom.js new file mode 100644 index 00000000..37df0b7b --- /dev/null +++ b/subsonic-site/src/main/webapp/inc/js/FancyZoom.js @@ -0,0 +1,761 @@ +// FancyZoom.js - v1.1 - http://www.fancyzoom.com +// +// Copyright (c) 2008 Cabel Sasser / Panic Inc +// All rights reserved. +// +// Requires: FancyZoomHTML.js +// Instructions: Include JS files in page, call setupZoom() in onLoad. That's it! +// Any <a href> links to images will be updated to zoom inline. +// Add rel="nozoom" to your <a href> to disable zooming for an image. +// +// Redistribution and use of this effect in source form, with or without modification, +// are permitted provided that the following conditions are met: +// +// * USE OF SOURCE ON COMMERCIAL (FOR-PROFIT) WEBSITE REQUIRES ONE-TIME LICENSE FEE PER DOMAIN. +// Reasonably priced! Visit www.fancyzoom.com for licensing instructions. Thanks! +// +// * Non-commercial (personal) website use is permitted without license/payment! +// +// * Redistribution of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// * Redistribution of source code and derived works cannot be sold without specific +// written prior permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +var includeCaption = true; // Turn on the "caption" feature, and write out the caption HTML +var zoomTime = 5; // Milliseconds between frames of zoom animation +var zoomSteps = 15; // Number of zoom animation frames +var includeFade = 1; // Set to 1 to fade the image in / out as it zooms +var minBorder = 90; // Amount of padding between large, scaled down images, and the window edges +var shadowSettings = '0px 5px 25px rgba(0, 0, 0, '; // Blur, radius, color of shadow for compatible browsers + +var zoomImagesURI = 'inc/img/fancyzoom/'; // Location of the zoom and shadow images + +// Init. Do not add anything below this line, unless it's something awesome. + +var myWidth = 0, myHeight = 0, myScroll = 0; myScrollWidth = 0; myScrollHeight = 0; +var zoomOpen = false, preloadFrame = 1, preloadActive = false, preloadTime = 0, imgPreload = new Image(); +var preloadAnimTimer = 0; + +var zoomActive = new Array(); var zoomTimer = new Array(); +var zoomOrigW = new Array(); var zoomOrigH = new Array(); +var zoomOrigX = new Array(); var zoomOrigY = new Array(); + +var zoomID = "ZoomBox"; +var theID = "ZoomImage"; +var zoomCaption = "ZoomCaption"; +var zoomCaptionDiv = "ZoomCapDiv"; + +if (navigator.userAgent.indexOf("MSIE") != -1) { + var browserIsIE = true; +} + +// Zoom: Setup The Page! Called in your <body>'s onLoad handler. + +function setupZoom() { + prepZooms(); + insertZoomHTML(); + zoomdiv = document.getElementById(zoomID); + zoomimg = document.getElementById(theID); +} + +// Zoom: Inject Javascript functions into hrefs pointing to images, one by one! +// Skip any href that contains a rel="nozoom" tag. +// This is done at page load time via an onLoad() handler. + +function prepZooms() { + if (! document.getElementsByTagName) { + return; + } + var links = document.getElementsByTagName("a"); + for (i = 0; i < links.length; i++) { + if (links[i].getAttribute("href")) { + if (links[i].getAttribute("href").search(/(.*)\.(jpg|jpeg|gif|png|bmp|tif|tiff)/gi) != -1) { + if (links[i].getAttribute("rel") != "nozoom") { + links[i].onclick = function (event) { return zoomClick(this, event); }; + links[i].onmouseover = function () { zoomPreload(this); }; + } + } + } + } +} + +// Zoom: Load an image into an image object. When done loading, function sets preloadActive to false, +// so other bits know that they can proceed with the zoom. +// Preloaded image is stored in imgPreload and swapped out in the zoom function. + +function zoomPreload(from) { + + var theimage = from.getAttribute("href"); + + // Only preload if we have to, i.e. the image isn't this image already + + if (imgPreload.src.indexOf(from.getAttribute("href").substr(from.getAttribute("href").lastIndexOf("/"))) == -1) { + preloadActive = true; + imgPreload = new Image(); + + // Set a function to fire when the preload is complete, setting flags along the way. + + imgPreload.onload = function() { + preloadActive = false; + } + + // Load it! + imgPreload.src = theimage; + } +} + +// Zoom: Start the preloading animation cycle. + +function preloadAnimStart() { + preloadTime = new Date(); + document.getElementById("ZoomSpin").style.left = (myWidth / 2) + 'px'; + document.getElementById("ZoomSpin").style.top = ((myHeight / 2) + myScroll) + 'px'; + document.getElementById("ZoomSpin").style.visibility = "visible"; + preloadFrame = 1; + document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png'; + preloadAnimTimer = setInterval("preloadAnim()", 100); +} + +// Zoom: Display and ANIMATE the jibber-jabber widget. Once preloadActive is false, bail and zoom it up! + +function preloadAnim(from) { + if (preloadActive != false) { + document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png'; + preloadFrame++; + if (preloadFrame > 12) preloadFrame = 1; + } else { + document.getElementById("ZoomSpin").style.visibility = "hidden"; + clearInterval(preloadAnimTimer); + preloadAnimTimer = 0; + zoomIn(preloadFrom); + } +} + +// ZOOM CLICK: We got a click! Should we do the zoom? Or wait for the preload to complete? +// todo?: Double check that imgPreload src = clicked src + +function zoomClick(from, evt) { + + var shift = getShift(evt); + + // Check for Command / Alt key. If pressed, pass them through -- don't zoom! + if (! evt && window.event && (window.event.metaKey || window.event.altKey)) { + return true; + } else if (evt && (evt.metaKey|| evt.altKey)) { + return true; + } + + // Get browser dimensions + getSize(); + + // If preloading still, wait, and display the spinner. + if (preloadActive == true) { + // But only display the spinner if it's not already being displayed! + if (preloadAnimTimer == 0) { + preloadFrom = from; + preloadAnimStart(); + } + } else { + // Otherwise, we're loaded: do the zoom! + zoomIn(from, shift); + } + + return false; + +} + +// Zoom: Move an element in to endH endW, using zoomHost as a starting point. +// "from" is an object reference to the href that spawned the zoom. + +function zoomIn(from, shift) { + + zoomimg.src = from.getAttribute("href"); + + // Determine the zoom settings from where we came from, the element in the <a>. + // If there's no element in the <a>, or we can't get the width, make stuff up + + if (from.childNodes[0].width) { + startW = from.childNodes[0].width; + startH = from.childNodes[0].height; + startPos = findElementPos(from.childNodes[0]); + } else { + startW = 50; + startH = 12; + startPos = findElementPos(from); + } + + hostX = startPos[0]; + hostY = startPos[1]; + + // Make up for a scrolled containing div. + // TODO: This HAS to move into findElementPos. + + if (document.getElementById('scroller')) { + hostX = hostX - document.getElementById('scroller').scrollLeft; + } + + // Determine the target zoom settings from the preloaded image object + + endW = imgPreload.width; + endH = imgPreload.height; + + // Start! But only if we're not zooming already! + + if (zoomActive[theID] != true) { + + // Clear everything out just in case something is already open + + if (document.getElementById("ShadowBox")) { + document.getElementById("ShadowBox").style.visibility = "hidden"; + } else if (! browserIsIE) { + + // Wipe timer if shadow is fading in still + if (fadeActive["ZoomImage"]) { + clearInterval(fadeTimer["ZoomImage"]); + fadeActive["ZoomImage"] = false; + fadeTimer["ZoomImage"] = false; + } + + document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)'; + } + + document.getElementById("ZoomClose").style.visibility = "hidden"; + + // Setup the CAPTION, if existing. Hide it first, set the text. + + if (includeCaption) { + document.getElementById(zoomCaptionDiv).style.visibility = "hidden"; + if (from.getAttribute('title') && includeCaption) { + // Yes, there's a caption, set it up + document.getElementById(zoomCaption).innerHTML = from.getAttribute('title'); + } else { + document.getElementById(zoomCaption).innerHTML = ""; + } + } + + // Store original position in an array for future zoomOut. + + zoomOrigW[theID] = startW; + zoomOrigH[theID] = startH; + zoomOrigX[theID] = hostX; + zoomOrigY[theID] = hostY; + + // Now set the starting dimensions + + zoomimg.style.width = startW + 'px'; + zoomimg.style.height = startH + 'px'; + zoomdiv.style.left = hostX + 'px'; + zoomdiv.style.top = hostY + 'px'; + + // Show the zooming image container, make it invisible + + if (includeFade == 1) { + setOpacity(0, zoomID); + } + zoomdiv.style.visibility = "visible"; + + // If it's too big to fit in the window, shrink the width and height to fit (with ratio). + + sizeRatio = endW / endH; + if (endW > myWidth - minBorder) { + endW = myWidth - minBorder; + endH = endW / sizeRatio; + } + if (endH > myHeight - minBorder) { + endH = myHeight - minBorder; + endW = endH * sizeRatio; + } + + zoomChangeX = ((myWidth / 2) - (endW / 2) - hostX); + zoomChangeY = (((myHeight / 2) - (endH / 2) - hostY) + myScroll); + zoomChangeW = (endW - startW); + zoomChangeH = (endH - startH); + + // Shift key? + + if (shift) { + tempSteps = zoomSteps * 7; + } else { + tempSteps = zoomSteps; + } + + // Setup Zoom + + zoomCurrent = 0; + + // Setup Fade with Zoom, If Requested + + if (includeFade == 1) { + fadeCurrent = 0; + fadeAmount = (0 - 100) / tempSteps; + } else { + fadeAmount = 0; + } + + // Do It! + + zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+hostX+", "+zoomChangeX+", "+hostY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDoneIn(zoomID)')", zoomTime); + zoomActive[theID] = true; + } +} + +// Zoom it back out. + +function zoomOut(from, evt) { + + // Get shift key status. + // IE events don't seem to get passed through the function, so grab it from the window. + + if (getShift(evt)) { + tempSteps = zoomSteps * 7; + } else { + tempSteps = zoomSteps; + } + + // Check to see if something is happening/open + + if (zoomActive[theID] != true) { + + // First, get rid of the shadow if necessary. + + if (document.getElementById("ShadowBox")) { + document.getElementById("ShadowBox").style.visibility = "hidden"; + } else if (! browserIsIE) { + + // Wipe timer if shadow is fading in still + if (fadeActive["ZoomImage"]) { + clearInterval(fadeTimer["ZoomImage"]); + fadeActive["ZoomImage"] = false; + fadeTimer["ZoomImage"] = false; + } + + document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)'; + } + + // ..and the close box... + + document.getElementById("ZoomClose").style.visibility = "hidden"; + + // ...and the caption if necessary! + + if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") { + // fadeElementSetup(zoomCaptionDiv, 100, 0, 5, 1); + document.getElementById(zoomCaptionDiv).style.visibility = "hidden"; + } + + // Now, figure out where we came from, to get back there + + startX = parseInt(zoomdiv.style.left); + startY = parseInt(zoomdiv.style.top); + startW = zoomimg.width; + startH = zoomimg.height; + zoomChangeX = zoomOrigX[theID] - startX; + zoomChangeY = zoomOrigY[theID] - startY; + zoomChangeW = zoomOrigW[theID] - startW; + zoomChangeH = zoomOrigH[theID] - startH; + + // Setup Zoom + + zoomCurrent = 0; + + // Setup Fade with Zoom, If Requested + + if (includeFade == 1) { + fadeCurrent = 0; + fadeAmount = (100 - 0) / tempSteps; + } else { + fadeAmount = 0; + } + + // Do It! + + zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+startX+", "+zoomChangeX+", "+startY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDone(zoomID, theID)')", zoomTime); + zoomActive[theID] = true; + } +} + +// Finished Zooming In + +function zoomDoneIn(zoomdiv, theID) { + + // Note that it's open + + zoomOpen = true; + zoomdiv = document.getElementById(zoomdiv); + + // Position the table shadow behind the zoomed in image, and display it + + if (document.getElementById("ShadowBox")) { + + setOpacity(0, "ShadowBox"); + shadowdiv = document.getElementById("ShadowBox"); + + shadowLeft = parseInt(zoomdiv.style.left) - 13; + shadowTop = parseInt(zoomdiv.style.top) - 8; + shadowWidth = zoomdiv.offsetWidth + 26; + shadowHeight = zoomdiv.offsetHeight + 26; + + shadowdiv.style.width = shadowWidth + 'px'; + shadowdiv.style.height = shadowHeight + 'px'; + shadowdiv.style.left = shadowLeft + 'px'; + shadowdiv.style.top = shadowTop + 'px'; + + document.getElementById("ShadowBox").style.visibility = "visible"; + fadeElementSetup("ShadowBox", 0, 100, 5); + + } else if (! browserIsIE) { + // Or, do a fade of the modern shadow + fadeElementSetup("ZoomImage", 0, .8, 5, 0, "shadow"); + } + + // Position and display the CAPTION, if existing + + if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") { + // setOpacity(0, zoomCaptionDiv); + zoomcapd = document.getElementById(zoomCaptionDiv); + zoomcapd.style.top = parseInt(zoomdiv.style.top) + (zoomdiv.offsetHeight + 15) + 'px'; + zoomcapd.style.left = (myWidth / 2) - (zoomcapd.offsetWidth / 2) + 'px'; + zoomcapd.style.visibility = "visible"; + // fadeElementSetup(zoomCaptionDiv, 0, 100, 5); + } + + // Display Close Box (fade it if it's not IE) + + if (!browserIsIE) setOpacity(0, "ZoomClose"); + document.getElementById("ZoomClose").style.visibility = "visible"; + if (!browserIsIE) fadeElementSetup("ZoomClose", 0, 100, 5); + + // Get keypresses + document.onkeypress = getKey; + +} + +// Finished Zooming Out + +function zoomDone(zoomdiv, theID) { + + // No longer open + + zoomOpen = false; + + // Clear stuff out, clean up + + zoomOrigH[theID] = ""; + zoomOrigW[theID] = ""; + document.getElementById(zoomdiv).style.visibility = "hidden"; + zoomActive[theID] == false; + + // Stop getting keypresses + + document.onkeypress = null; + +} + +// Actually zoom the element + +function zoomElement(zoomdiv, theID, zoomCurrent, zoomStartW, zoomChangeW, zoomStartH, zoomChangeH, zoomStartX, zoomChangeX, zoomStartY, zoomChangeY, zoomSteps, includeFade, fadeAmount, execWhenDone) { + + // console.log("Zooming Step #"+zoomCurrent+ " of "+zoomSteps+" (zoom " + zoomStartW + "/" + zoomChangeW + ") (zoom " + zoomStartH + "/" + zoomChangeH + ") (zoom " + zoomStartX + "/" + zoomChangeX + ") (zoom " + zoomStartY + "/" + zoomChangeY + ") Fade: "+fadeAmount); + + // Test if we're done, or if we continue + + if (zoomCurrent == (zoomSteps + 1)) { + zoomActive[theID] = false; + clearInterval(zoomTimer[theID]); + + if (execWhenDone != "") { + eval(execWhenDone); + } + } else { + + // Do the Fade! + + if (includeFade == 1) { + if (fadeAmount < 0) { + setOpacity(Math.abs(zoomCurrent * fadeAmount), zoomdiv); + } else { + setOpacity(100 - (zoomCurrent * fadeAmount), zoomdiv); + } + } + + // Calculate this step's difference, and move it! + + moveW = cubicInOut(zoomCurrent, zoomStartW, zoomChangeW, zoomSteps); + moveH = cubicInOut(zoomCurrent, zoomStartH, zoomChangeH, zoomSteps); + moveX = cubicInOut(zoomCurrent, zoomStartX, zoomChangeX, zoomSteps); + moveY = cubicInOut(zoomCurrent, zoomStartY, zoomChangeY, zoomSteps); + + document.getElementById(zoomdiv).style.left = moveX + 'px'; + document.getElementById(zoomdiv).style.top = moveY + 'px'; + zoomimg.style.width = moveW + 'px'; + zoomimg.style.height = moveH + 'px'; + + zoomCurrent++; + + clearInterval(zoomTimer[theID]); + zoomTimer[theID] = setInterval("zoomElement('"+zoomdiv+"', '"+theID+"', "+zoomCurrent+", "+zoomStartW+", "+zoomChangeW+", "+zoomStartH+", "+zoomChangeH+", "+zoomStartX+", "+zoomChangeX+", "+zoomStartY+", "+zoomChangeY+", "+zoomSteps+", "+includeFade+", "+fadeAmount+", '"+execWhenDone+"')", zoomTime); + } +} + +// Zoom Utility: Get Key Press when image is open, and act accordingly + +function getKey(evt) { + if (! evt) { + theKey = event.keyCode; + } else { + theKey = evt.keyCode; + } + + if (theKey == 27) { // ESC + zoomOut(this, evt); + } +} + +//////////////////////////// +// +// FADE Functions +// + +function fadeOut(elem) { + if (elem.id) { + fadeElementSetup(elem.id, 100, 0, 10); + } +} + +function fadeIn(elem) { + if (elem.id) { + fadeElementSetup(elem.id, 0, 100, 10); + } +} + +// Fade: Initialize the fade function + +var fadeActive = new Array(); +var fadeQueue = new Array(); +var fadeTimer = new Array(); +var fadeClose = new Array(); +var fadeMode = new Array(); + +function fadeElementSetup(theID, fdStart, fdEnd, fdSteps, fdClose, fdMode) { + + // alert("Fading: "+theID+" Steps: "+fdSteps+" Mode: "+fdMode); + + if (fadeActive[theID] == true) { + // Already animating, queue up this command + fadeQueue[theID] = new Array(theID, fdStart, fdEnd, fdSteps); + } else { + fadeSteps = fdSteps; + fadeCurrent = 0; + fadeAmount = (fdStart - fdEnd) / fadeSteps; + fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15); + fadeActive[theID] = true; + fadeMode[theID] = fdMode; + + if (fdClose == 1) { + fadeClose[theID] = true; + } else { + fadeClose[theID] = false; + } + } +} + +// Fade: Do the fade. This function will call itself, modifying the parameters, so +// many instances can run concurrently. Can fade using opacity, or fade using a box-shadow. + +function fadeElement(theID, fadeCurrent, fadeAmount, fadeSteps) { + + if (fadeCurrent == fadeSteps) { + + // We're done, so clear. + + clearInterval(fadeTimer[theID]); + fadeActive[theID] = false; + fadeTimer[theID] = false; + + // Should we close it once the fade is complete? + + if (fadeClose[theID] == true) { + document.getElementById(theID).style.visibility = "hidden"; + } + + // Hang on.. did a command queue while we were working? If so, make it happen now + + if (fadeQueue[theID] && fadeQueue[theID] != false) { + fadeElementSetup(fadeQueue[theID][0], fadeQueue[theID][1], fadeQueue[theID][2], fadeQueue[theID][3]); + fadeQueue[theID] = false; + } + } else { + + fadeCurrent++; + + // Now actually do the fade adjustment. + + if (fadeMode[theID] == "shadow") { + + // Do a special fade on the webkit-box-shadow of the object + + if (fadeAmount < 0) { + document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (Math.abs(fadeCurrent * fadeAmount)) + ')'; + } else { + document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (100 - (fadeCurrent * fadeAmount)) + ')'; + } + + } else { + + // Set the opacity depending on if we're adding or subtracting (pos or neg) + + if (fadeAmount < 0) { + setOpacity(Math.abs(fadeCurrent * fadeAmount), theID); + } else { + setOpacity(100 - (fadeCurrent * fadeAmount), theID); + } + } + + // Keep going, and send myself the updated variables + clearInterval(fadeTimer[theID]); + fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15); + } +} + +//////////////////////////// +// +// UTILITY functions +// + +// Utility: Set the opacity, compatible with a number of browsers. Value from 0 to 100. + +function setOpacity(opacity, theID) { + + var object = document.getElementById(theID).style; + + // If it's 100, set it to 99 for Firefox. + + if (navigator.userAgent.indexOf("Firefox") != -1) { + if (opacity == 100) { opacity = 99.9999; } // This is majorly awkward + } + + // Multi-browser opacity setting + + object.filter = "alpha(opacity=" + opacity + ")"; // IE/Win + object.opacity = (opacity / 100); // Safari 1.2, Firefox+Mozilla + +} + +// Utility: Math functions for animation calucations - From http://www.robertpenner.com/easing/ +// +// t = time, b = begin, c = change, d = duration +// time = current frame, begin is fixed, change is basically finish - begin, duration is fixed (frames), + +function linear(t, b, c, d) +{ + return c*t/d + b; +} + +function sineInOut(t, b, c, d) +{ + return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b; +} + +function cubicIn(t, b, c, d) { + return c*(t/=d)*t*t + b; +} + +function cubicOut(t, b, c, d) { + return c*((t=t/d-1)*t*t + 1) + b; +} + +function cubicInOut(t, b, c, d) +{ + if ((t/=d/2) < 1) return c/2*t*t*t + b; + return c/2*((t-=2)*t*t + 2) + b; +} + +function bounceOut(t, b, c, d) +{ + if ((t/=d) < (1/2.75)){ + return c*(7.5625*t*t) + b; + } else if (t < (2/2.75)){ + return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b; + } else if (t < (2.5/2.75)){ + return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b; + } else { + return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b; + } +} + + +// Utility: Get the size of the window, and set myWidth and myHeight +// Credit to quirksmode.org + +function getSize() { + + // Window Size + + if (self.innerHeight) { // Everyone but IE + myWidth = window.innerWidth; + myHeight = window.innerHeight; + myScroll = window.pageYOffset; + } else if (document.documentElement && document.documentElement.clientHeight) { // IE6 Strict + myWidth = document.documentElement.clientWidth; + myHeight = document.documentElement.clientHeight; + myScroll = document.documentElement.scrollTop; + } else if (document.body) { // Other IE, such as IE7 + myWidth = document.body.clientWidth; + myHeight = document.body.clientHeight; + myScroll = document.body.scrollTop; + } + + // Page size w/offscreen areas + + if (window.innerHeight && window.scrollMaxY) { + myScrollWidth = document.body.scrollWidth; + myScrollHeight = window.innerHeight + window.scrollMaxY; + } else if (document.body.scrollHeight > document.body.offsetHeight) { // All but Explorer Mac + myScrollWidth = document.body.scrollWidth; + myScrollHeight = document.body.scrollHeight; + } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari + myScrollWidth = document.body.offsetWidth; + myScrollHeight = document.body.offsetHeight; + } +} + +// Utility: Get Shift Key Status +// IE events don't seem to get passed through the function, so grab it from the window. + +function getShift(evt) { + var shift = false; + if (! evt && window.event) { + shift = window.event.shiftKey; + } else if (evt) { + shift = evt.shiftKey; + if (shift) evt.stopPropagation(); // Prevents Firefox from doing shifty things + } + return shift; +} + +// Utility: Find the Y position of an element on a page. Return Y and X as an array + +function findElementPos(elemFind) +{ + var elemX = 0; + var elemY = 0; + do { + elemX += elemFind.offsetLeft; + elemY += elemFind.offsetTop; + } while ( elemFind = elemFind.offsetParent ) + + return Array(elemX, elemY); +}
\ No newline at end of file |