jvoisin
7 years ago
committed by
GitHub
commit
6aa96911de
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After Width: | Height: | Size: 1.2 KiB |
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// FancyZoom.js - v1.1 - http://www.fancyzoom.com
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//
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// Copyright (c) 2008 Cabel Sasser / Panic Inc
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// All rights reserved.
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//
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// Requires: FancyZoomHTML.js
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// Instructions: Include JS files in page, call setupZoom() in onLoad. That's it!
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// Any <a href> links to images will be updated to zoom inline.
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// Add rel="nozoom" to your <a href> to disable zooming for an image.
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//
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// Redistribution and use of this effect in source form, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * USE OF SOURCE ON COMMERCIAL (FOR-PROFIT) WEBSITE REQUIRES ONE-TIME LICENSE FEE PER DOMAIN.
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// Reasonably priced! Visit www.fancyzoom.com for licensing instructions. Thanks!
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//
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// * Non-commercial (personal) website use is permitted without license/payment!
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//
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// * Redistribution of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution of source code and derived works cannot be sold without specific
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// written prior permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var includeCaption = true; // Turn on the "caption" feature, and write out the caption HTML
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var zoomTime = 5; // Milliseconds between frames of zoom animation
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var zoomSteps = 15; // Number of zoom animation frames
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var includeFade = 1; // Set to 1 to fade the image in / out as it zooms
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var minBorder = 90; // Amount of padding between large, scaled down images, and the window edges
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var shadowSettings = '0px 5px 25px rgba(0, 0, 0, '; // Blur, radius, color of shadow for compatible browsers
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// Location of the zoom and shadow images
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var zoomImagesURI; |
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// Init. Do not add anything below this line, unless it's something awesome.
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var myWidth = 0, myHeight = 0, myScroll = 0; myScrollWidth = 0; myScrollHeight = 0; |
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var zoomOpen = false, preloadFrame = 1, preloadActive = false, preloadTime = 0, imgPreload = new Image(); |
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var preloadAnimTimer = 0; |
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var zoomActive = new Array(); var zoomTimer = new Array(); |
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var zoomOrigW = new Array(); var zoomOrigH = new Array(); |
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var zoomOrigX = new Array(); var zoomOrigY = new Array(); |
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var zoomID = "ZoomBox"; |
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var theID = "ZoomImage"; |
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var zoomCaption = "ZoomCaption"; |
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var zoomCaptionDiv = "ZoomCapDiv"; |
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if (navigator.userAgent.indexOf("MSIE") != -1) { |
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var browserIsIE = true; |
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} |
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// Zoom: Setup The Page! Called in your <body>'s onLoad handler.
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function setupZoom(baseURI) { |
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zoomImagesURI = baseURI + 'script/fancyzoom/images/'; |
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prepZooms(); |
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insertZoomHTML(); |
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zoomdiv = document.getElementById(zoomID); |
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zoomimg = document.getElementById(theID); |
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} |
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// Zoom: Inject Javascript functions into hrefs with a "zoom" rel.
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// This is done at page load time via an onLoad() handler.
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function prepZooms() { |
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if (! document.getElementsByTagName) { |
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return; |
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} |
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var links = document.getElementsByTagName("a"); |
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for (i = 0; i < links.length; i++) { |
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if (links[i].getAttribute("href")) { |
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if (links[i].getAttribute("rel") == "zoom") { |
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links[i].onclick = function (event) { return zoomClick(this, event); }; |
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links[i].onmouseover = function () { zoomPreload(this); }; |
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} |
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} |
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} |
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} |
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// Zoom: Load an image into an image object. When done loading, function sets preloadActive to false,
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// so other bits know that they can proceed with the zoom.
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// Preloaded image is stored in imgPreload and swapped out in the zoom function.
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function zoomPreload(from) { |
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var theimage = from.getAttribute("href"); |
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// Only preload if we have to, i.e. the image isn't this image already
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if (imgPreload.src.indexOf(from.getAttribute("href").substr(from.getAttribute("href").lastIndexOf("/"))) == -1) { |
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preloadActive = true; |
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imgPreload = new Image(); |
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// Set a function to fire when the preload is complete, setting flags along the way.
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imgPreload.onload = function() { |
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preloadActive = false; |
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} |
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// Load it!
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imgPreload.src = theimage; |
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} |
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} |
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// Zoom: Start the preloading animation cycle.
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function preloadAnimStart() { |
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preloadTime = new Date(); |
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document.getElementById("ZoomSpin").style.left = (myWidth / 2) + 'px'; |
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document.getElementById("ZoomSpin").style.top = ((myHeight / 2) + myScroll) + 'px'; |
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document.getElementById("ZoomSpin").style.visibility = "visible"; |
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preloadFrame = 1; |
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document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png'; |
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preloadAnimTimer = setInterval("preloadAnim()", 100); |
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} |
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// Zoom: Display and ANIMATE the jibber-jabber widget. Once preloadActive is false, bail and zoom it up!
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function preloadAnim(from) { |
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if (preloadActive != false) { |
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document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png'; |
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preloadFrame++; |
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if (preloadFrame > 12) preloadFrame = 1; |
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} else { |
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document.getElementById("ZoomSpin").style.visibility = "hidden"; |
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clearInterval(preloadAnimTimer); |
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preloadAnimTimer = 0; |
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zoomIn(preloadFrom); |
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} |
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} |
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// ZOOM CLICK: We got a click! Should we do the zoom? Or wait for the preload to complete?
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// todo?: Double check that imgPreload src = clicked src
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function zoomClick(from, evt) { |
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var shift = getShift(evt); |
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// Check for Command / Alt key. If pressed, pass them through -- don't zoom!
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if (! evt && window.event && (window.event.metaKey || window.event.altKey)) { |
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return true; |
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} else if (evt && (evt.metaKey|| evt.altKey)) { |
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return true; |
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} |
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// Get browser dimensions
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getSize(); |
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// If preloading still, wait, and display the spinner.
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if (preloadActive == true) { |
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// But only display the spinner if it's not already being displayed!
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if (preloadAnimTimer == 0) { |
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preloadFrom = from; |
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preloadAnimStart(); |
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} |
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} else { |
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// Otherwise, we're loaded: do the zoom!
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zoomIn(from, shift); |
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} |
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return false; |
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} |
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// Zoom: Move an element in to endH endW, using zoomHost as a starting point.
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// "from" is an object reference to the href that spawned the zoom.
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function zoomIn(from, shift) { |
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zoomimg.src = from.getAttribute("href"); |
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// Determine the zoom settings from where we came from, the element in the <a>.
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// If there's no element in the <a>, or we can't get the width, make stuff up
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if (from.childNodes[0].width) { |
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startW = from.childNodes[0].width; |
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startH = from.childNodes[0].height; |
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startPos = findElementPos(from.childNodes[0]); |
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} else { |
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startW = 50; |
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startH = 12; |
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startPos = findElementPos(from); |
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} |
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hostX = startPos[0]; |
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hostY = startPos[1]; |
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// Make up for a scrolled containing div.
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// TODO: This HAS to move into findElementPos.
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if (document.getElementById('scroller')) { |
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hostX = hostX - document.getElementById('scroller').scrollLeft; |
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} |
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// Determine the target zoom settings from the preloaded image object
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endW = imgPreload.width; |
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endH = imgPreload.height; |
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// Start! But only if we're not zooming already!
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if (zoomActive[theID] != true) { |
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// Clear everything out just in case something is already open
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if (document.getElementById("ShadowBox")) { |
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document.getElementById("ShadowBox").style.visibility = "hidden"; |
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} else if (! browserIsIE) { |
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// Wipe timer if shadow is fading in still
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if (fadeActive["ZoomImage"]) { |
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clearInterval(fadeTimer["ZoomImage"]); |
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fadeActive["ZoomImage"] = false; |
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fadeTimer["ZoomImage"] = false; |
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} |
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document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)'; |
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} |
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document.getElementById("ZoomClose").style.visibility = "hidden"; |
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// Setup the CAPTION, if existing. Hide it first, set the text.
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if (includeCaption) { |
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document.getElementById(zoomCaptionDiv).style.visibility = "hidden"; |
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if (from.getAttribute('title') && includeCaption) { |
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// Yes, there's a caption, set it up
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document.getElementById(zoomCaption).innerHTML = from.getAttribute('title'); |
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} else { |
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document.getElementById(zoomCaption).innerHTML = ""; |
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} |
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} |
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// Store original position in an array for future zoomOut.
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zoomOrigW[theID] = startW; |
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zoomOrigH[theID] = startH; |
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zoomOrigX[theID] = hostX; |
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zoomOrigY[theID] = hostY; |
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// Now set the starting dimensions
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zoomimg.style.width = startW + 'px'; |
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zoomimg.style.height = startH + 'px'; |
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zoomdiv.style.left = hostX + 'px'; |
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zoomdiv.style.top = hostY + 'px'; |
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// Show the zooming image container, make it invisible
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if (includeFade == 1) { |
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setOpacity(0, zoomID); |
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} |
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zoomdiv.style.visibility = "visible"; |
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// If it's too big to fit in the window, shrink the width and height to fit (with ratio).
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sizeRatio = endW / endH; |
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if (endW > myWidth - minBorder) { |
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endW = myWidth - minBorder; |
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endH = endW / sizeRatio; |
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} |
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if (endH > myHeight - minBorder) { |
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endH = myHeight - minBorder; |
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endW = endH * sizeRatio; |
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} |
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zoomChangeX = ((myWidth / 2) - (endW / 2) - hostX); |
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zoomChangeY = (((myHeight / 2) - (endH / 2) - hostY) + myScroll); |
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zoomChangeW = (endW - startW); |
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zoomChangeH = (endH - startH); |
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// Shift key?
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if (shift) { |
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tempSteps = zoomSteps * 7; |
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} else { |
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tempSteps = zoomSteps; |
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} |
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// Setup Zoom
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zoomCurrent = 0; |
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// Setup Fade with Zoom, If Requested
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if (includeFade == 1) { |
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fadeCurrent = 0; |
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fadeAmount = (0 - 100) / tempSteps; |
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} else { |
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fadeAmount = 0; |
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} |
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// Do It!
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zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+hostX+", "+zoomChangeX+", "+hostY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDoneIn(zoomID)')", zoomTime); |
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zoomActive[theID] = true; |
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} |
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} |
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// Zoom it back out.
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function zoomOut(from, evt) { |
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// Get shift key status.
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// IE events don't seem to get passed through the function, so grab it from the window.
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if (getShift(evt)) { |
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tempSteps = zoomSteps * 7; |
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} else { |
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tempSteps = zoomSteps; |
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} |
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// Check to see if something is happening/open
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if (zoomActive[theID] != true) { |
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// First, get rid of the shadow if necessary.
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if (document.getElementById("ShadowBox")) { |
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document.getElementById("ShadowBox").style.visibility = "hidden"; |
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} else if (! browserIsIE) { |
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// Wipe timer if shadow is fading in still
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if (fadeActive["ZoomImage"]) { |
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clearInterval(fadeTimer["ZoomImage"]); |
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fadeActive["ZoomImage"] = false; |
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fadeTimer["ZoomImage"] = false; |
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} |
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document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)'; |
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} |
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// ..and the close box...
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document.getElementById("ZoomClose").style.visibility = "hidden"; |
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// ...and the caption if necessary!
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if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") { |
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// fadeElementSetup(zoomCaptionDiv, 100, 0, 5, 1);
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document.getElementById(zoomCaptionDiv).style.visibility = "hidden"; |
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} |
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// Now, figure out where we came from, to get back there
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startX = parseInt(zoomdiv.style.left); |
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startY = parseInt(zoomdiv.style.top); |
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startW = zoomimg.width; |
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startH = zoomimg.height; |
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zoomChangeX = zoomOrigX[theID] - startX; |
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zoomChangeY = zoomOrigY[theID] - startY; |
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zoomChangeW = zoomOrigW[theID] - startW; |
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zoomChangeH = zoomOrigH[theID] - startH; |
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// Setup Zoom
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zoomCurrent = 0; |
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// Setup Fade with Zoom, If Requested
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if (includeFade == 1) { |
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fadeCurrent = 0; |
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fadeAmount = (100 - 0) / tempSteps; |
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} else { |
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fadeAmount = 0; |
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} |
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// Do It!
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zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+startX+", "+zoomChangeX+", "+startY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDone(zoomID, theID)')", zoomTime); |
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zoomActive[theID] = true; |
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} |
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} |
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// Finished Zooming In
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function zoomDoneIn(zoomdiv, theID) { |
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// Note that it's open
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zoomOpen = true; |
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zoomdiv = document.getElementById(zoomdiv); |
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// Position the table shadow behind the zoomed in image, and display it
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if (document.getElementById("ShadowBox")) { |
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setOpacity(0, "ShadowBox"); |
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shadowdiv = document.getElementById("ShadowBox"); |
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shadowLeft = parseInt(zoomdiv.style.left) - 13; |
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shadowTop = parseInt(zoomdiv.style.top) - 8; |
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shadowWidth = zoomdiv.offsetWidth + 26; |
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shadowHeight = zoomdiv.offsetHeight + 26; |
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shadowdiv.style.width = shadowWidth + 'px'; |
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shadowdiv.style.height = shadowHeight + 'px'; |
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shadowdiv.style.left = shadowLeft + 'px'; |
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shadowdiv.style.top = shadowTop + 'px'; |
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document.getElementById("ShadowBox").style.visibility = "visible"; |
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fadeElementSetup("ShadowBox", 0, 100, 5); |
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} else if (! browserIsIE) { |
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// Or, do a fade of the modern shadow
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fadeElementSetup("ZoomImage", 0, .8, 5, 0, "shadow"); |
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} |
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// Position and display the CAPTION, if existing
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if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") { |
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// setOpacity(0, zoomCaptionDiv);
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zoomcapd = document.getElementById(zoomCaptionDiv); |
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zoomcapd.style.top = parseInt(zoomdiv.style.top) + (zoomdiv.offsetHeight + 15) + 'px'; |
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zoomcapd.style.left = (myWidth / 2) - (zoomcapd.offsetWidth / 2) + 'px'; |
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zoomcapd.style.visibility = "visible"; |
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// fadeElementSetup(zoomCaptionDiv, 0, 100, 5);
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} |
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// Display Close Box (fade it if it's not IE)
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if (!browserIsIE) setOpacity(0, "ZoomClose"); |
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document.getElementById("ZoomClose").style.visibility = "visible"; |
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if (!browserIsIE) fadeElementSetup("ZoomClose", 0, 100, 5); |
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// Get keypresses
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document.onkeypress = getKey; |
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} |
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// Finished Zooming Out
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function zoomDone(zoomdiv, theID) { |
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// No longer open
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zoomOpen = false; |
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// Clear stuff out, clean up
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zoomOrigH[theID] = ""; |
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zoomOrigW[theID] = ""; |
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document.getElementById(zoomdiv).style.visibility = "hidden"; |
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zoomActive[theID] == false; |
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// Stop getting keypresses
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document.onkeypress = null; |
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} |
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// Actually zoom the element
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function zoomElement(zoomdiv, theID, zoomCurrent, zoomStartW, zoomChangeW, zoomStartH, zoomChangeH, zoomStartX, zoomChangeX, zoomStartY, zoomChangeY, zoomSteps, includeFade, fadeAmount, execWhenDone) { |
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// console.log("Zooming Step #"+zoomCurrent+ " of "+zoomSteps+" (zoom " + zoomStartW + "/" + zoomChangeW + ") (zoom " + zoomStartH + "/" + zoomChangeH + ") (zoom " + zoomStartX + "/" + zoomChangeX + ") (zoom " + zoomStartY + "/" + zoomChangeY + ") Fade: "+fadeAmount);
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// Test if we're done, or if we continue
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if (zoomCurrent == (zoomSteps + 1)) { |
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zoomActive[theID] = false; |
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clearInterval(zoomTimer[theID]); |
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if (execWhenDone != "") { |
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eval(execWhenDone); |
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} |
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} else { |
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// Do the Fade!
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if (includeFade == 1) { |
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if (fadeAmount < 0) { |
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setOpacity(Math.abs(zoomCurrent * fadeAmount), zoomdiv); |
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} else { |
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setOpacity(100 - (zoomCurrent * fadeAmount), zoomdiv); |
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} |
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} |
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// Calculate this step's difference, and move it!
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moveW = cubicInOut(zoomCurrent, zoomStartW, zoomChangeW, zoomSteps); |
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moveH = cubicInOut(zoomCurrent, zoomStartH, zoomChangeH, zoomSteps); |
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moveX = cubicInOut(zoomCurrent, zoomStartX, zoomChangeX, zoomSteps); |
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moveY = cubicInOut(zoomCurrent, zoomStartY, zoomChangeY, zoomSteps); |
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document.getElementById(zoomdiv).style.left = moveX + 'px'; |
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document.getElementById(zoomdiv).style.top = moveY + 'px'; |
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zoomimg.style.width = moveW + 'px'; |
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zoomimg.style.height = moveH + 'px'; |
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zoomCurrent++; |
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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); |
||||
} |
||||
@ -1,318 +0,0 @@ |
||||
// FancyZoomHTML.js - v1.0
|
||||
// Used to draw necessary HTML elements for FancyZoom
|
||||
//
|
||||
// Copyright (c) 2008 Cabel Sasser / Panic Inc
|
||||
// All rights reserved.
|
||||
|
||||
function insertZoomHTML() { |
||||
|
||||
// All of this junk creates the three <div>'s used to hold the closebox, image, and zoom shadow.
|
||||
|
||||
var inBody = document.getElementsByTagName("body").item(0); |
||||
|
||||
// WAIT SPINNER
|
||||
|
||||
var inSpinbox = document.createElement("div"); |
||||
inSpinbox.setAttribute('id', 'ZoomSpin'); |
||||
inSpinbox.style.position = 'absolute'; |
||||
inSpinbox.style.left = '10px'; |
||||
inSpinbox.style.top = '10px'; |
||||
inSpinbox.style.visibility = 'hidden'; |
||||
inSpinbox.style.zIndex = '525'; |
||||
inBody.insertBefore(inSpinbox, inBody.firstChild); |
||||
|
||||
var inSpinImage = document.createElement("img"); |
||||
inSpinImage.setAttribute('id', 'SpinImage'); |
||||
inSpinImage.setAttribute('src', zoomImagesURI+'zoom-spin-1.png'); |
||||
inSpinbox.appendChild(inSpinImage); |
||||
|
||||
// ZOOM IMAGE
|
||||
//
|
||||
// <div id="ZoomBox">
|
||||
// <a href="javascript:zoomOut();"><img src="/images/spacer.gif" id="ZoomImage" border="0"></a> <!-- THE IMAGE -->
|
||||
// <div id="ZoomClose">
|
||||
// <a href="javascript:zoomOut();"><img src="/images/closebox.png" width="30" height="30" border="0"></a>
|
||||
// </div>
|
||||
// </div>
|
||||
|
||||
var inZoombox = document.createElement("div"); |
||||
inZoombox.setAttribute('id', 'ZoomBox'); |
||||
|
||||
inZoombox.style.position = 'absolute';
|
||||
inZoombox.style.left = '10px'; |
||||
inZoombox.style.top = '10px'; |
||||
inZoombox.style.visibility = 'hidden'; |
||||
inZoombox.style.zIndex = '499'; |
||||
|
||||
inBody.insertBefore(inZoombox, inSpinbox.nextSibling); |
||||
|
||||
var inImage1 = document.createElement("img"); |
||||
inImage1.onclick = function (event) { zoomOut(this, event); return false; };
|
||||
inImage1.setAttribute('src',zoomImagesURI+'spacer.gif'); |
||||
inImage1.setAttribute('id','ZoomImage'); |
||||
inImage1.setAttribute('border', '0'); |
||||
// inImage1.setAttribute('onMouseOver', 'zoomMouseOver();')
|
||||
// inImage1.setAttribute('onMouseOut', 'zoomMouseOut();')
|
||||
|
||||
// This must be set first, so we can later test it using webkitBoxShadow.
|
||||
inImage1.setAttribute('style', '-webkit-box-shadow: '+shadowSettings+'0.0)'); |
||||
inImage1.style.display = 'block'; |
||||
inImage1.style.width = '10px'; |
||||
inImage1.style.height = '10px'; |
||||
inImage1.style.cursor = 'pointer'; // -webkit-zoom-out?
|
||||
inZoombox.appendChild(inImage1); |
||||
|
||||
var inClosebox = document.createElement("div"); |
||||
inClosebox.setAttribute('id', 'ZoomClose'); |
||||
inClosebox.style.position = 'absolute'; |
||||
|
||||
// In MSIE, we need to put the close box inside the image.
|
||||
// It's 2008 and I'm having to do a browser detect? Sigh.
|
||||
if (browserIsIE) { |
||||
inClosebox.style.left = '-1px'; |
||||
inClosebox.style.top = '0px';
|
||||
} else { |
||||
inClosebox.style.left = '-15px'; |
||||
inClosebox.style.top = '-15px'; |
||||
} |
||||
|
||||
inClosebox.style.visibility = 'hidden'; |
||||
inZoombox.appendChild(inClosebox); |
||||
|
||||
var inImage2 = document.createElement("img"); |
||||
inImage2.onclick = function (event) { zoomOut(this, event); return false; };
|
||||
inImage2.setAttribute('src',zoomImagesURI+'closebox.png');
|
||||
inImage2.setAttribute('width','30'); |
||||
inImage2.setAttribute('height','30'); |
||||
inImage2.setAttribute('border','0'); |
||||
inImage2.style.cursor = 'pointer';
|
||||
inClosebox.appendChild(inImage2); |
||||
|
||||
// SHADOW
|
||||
// Only draw the table-based shadow if the programatic webkitBoxShadow fails!
|
||||
// Also, don't draw it if we're IE -- it wouldn't look quite right anyway.
|
||||
|
||||
if (! document.getElementById('ZoomImage').style.webkitBoxShadow && ! browserIsIE) { |
||||
|
||||
// SHADOW BASE
|
||||
|
||||
var inFixedBox = document.createElement("div"); |
||||
inFixedBox.setAttribute('id', 'ShadowBox'); |
||||
inFixedBox.style.position = 'absolute';
|
||||
inFixedBox.style.left = '50px'; |
||||
inFixedBox.style.top = '50px'; |
||||
inFixedBox.style.width = '100px'; |
||||
inFixedBox.style.height = '100px'; |
||||
inFixedBox.style.visibility = 'hidden'; |
||||
inFixedBox.style.zIndex = '498'; |
||||
inBody.insertBefore(inFixedBox, inZoombox.nextSibling);
|
||||
|
||||
// SHADOW
|
||||
// Now, the shadow table. Skip if not compatible, or irrevelant with -box-shadow.
|
||||
|
||||
// <div id="ShadowBox"><table border="0" width="100%" height="100%" cellpadding="0" cellspacing="0"> X
|
||||
// <tr height="25">
|
||||
// <td width="27"><img src="/images/zoom-shadow1.png" width="27" height="25"></td>
|
||||
// <td background="/images/zoom-shadow2.png"> </td>
|
||||
// <td width="27"><img src="/images/zoom-shadow3.png" width="27" height="25"></td>
|
||||
// </tr>
|
||||
|
||||
var inShadowTable = document.createElement("table"); |
||||
inShadowTable.setAttribute('border', '0'); |
||||
inShadowTable.setAttribute('width', '100%'); |
||||
inShadowTable.setAttribute('height', '100%'); |
||||
inShadowTable.setAttribute('cellpadding', '0'); |
||||
inShadowTable.setAttribute('cellspacing', '0'); |
||||
inFixedBox.appendChild(inShadowTable); |
||||
|
||||
var inShadowTbody = document.createElement("tbody"); // Needed for IE (for HTML4).
|
||||
inShadowTable.appendChild(inShadowTbody); |
||||
|
||||
var inRow1 = document.createElement("tr"); |
||||
inRow1.style.height = '25px'; |
||||
inShadowTbody.appendChild(inRow1); |
||||
|
||||
var inCol1 = document.createElement("td"); |
||||
inCol1.style.width = '27px'; |
||||
inRow1.appendChild(inCol1);
|
||||
var inShadowImg1 = document.createElement("img"); |
||||
inShadowImg1.setAttribute('src', zoomImagesURI+'zoom-shadow1.png'); |
||||
inShadowImg1.setAttribute('width', '27'); |
||||
inShadowImg1.setAttribute('height', '25'); |
||||
inShadowImg1.style.display = 'block'; |
||||
inCol1.appendChild(inShadowImg1); |
||||
|
||||
var inCol2 = document.createElement("td"); |
||||
inCol2.setAttribute('background', zoomImagesURI+'zoom-shadow2.png'); |
||||
inRow1.appendChild(inCol2); |
||||
// inCol2.innerHTML = '<img src=';
|
||||
var inSpacer1 = document.createElement("img"); |
||||
inSpacer1.setAttribute('src',zoomImagesURI+'spacer.gif'); |
||||
inSpacer1.setAttribute('height', '1'); |
||||
inSpacer1.setAttribute('width', '1'); |
||||
inSpacer1.style.display = 'block'; |
||||
inCol2.appendChild(inSpacer1); |
||||
|
||||
var inCol3 = document.createElement("td"); |
||||
inCol3.style.width = '27px'; |
||||
inRow1.appendChild(inCol3);
|
||||
var inShadowImg3 = document.createElement("img"); |
||||
inShadowImg3.setAttribute('src', zoomImagesURI+'zoom-shadow3.png'); |
||||
inShadowImg3.setAttribute('width', '27'); |
||||
inShadowImg3.setAttribute('height', '25'); |
||||
inShadowImg3.style.display = 'block'; |
||||
inCol3.appendChild(inShadowImg3); |
||||
|
||||
// <tr>
|
||||
// <td background="/images/zoom-shadow4.png"> </td>
|
||||
// <td bgcolor="#ffffff"> </td>
|
||||
// <td background="/images/zoom-shadow5.png"> </td>
|
||||
// </tr>
|
||||
|
||||
inRow2 = document.createElement("tr"); |
||||
inShadowTbody.appendChild(inRow2); |
||||
|
||||
var inCol4 = document.createElement("td"); |
||||
inCol4.setAttribute('background', zoomImagesURI+'zoom-shadow4.png'); |
||||
inRow2.appendChild(inCol4); |
||||
// inCol4.innerHTML = ' ';
|
||||
var inSpacer2 = document.createElement("img"); |
||||
inSpacer2.setAttribute('src',zoomImagesURI+'spacer.gif'); |
||||
inSpacer2.setAttribute('height', '1'); |
||||
inSpacer2.setAttribute('width', '1'); |
||||
inSpacer2.style.display = 'block'; |
||||
inCol4.appendChild(inSpacer2); |
||||
|
||||
var inCol5 = document.createElement("td"); |
||||
inCol5.setAttribute('bgcolor', '#ffffff'); |
||||
inRow2.appendChild(inCol5); |
||||
// inCol5.innerHTML = ' ';
|
||||
var inSpacer3 = document.createElement("img"); |
||||
inSpacer3.setAttribute('src',zoomImagesURI+'spacer.gif'); |
||||
inSpacer3.setAttribute('height', '1'); |
||||
inSpacer3.setAttribute('width', '1'); |
||||
inSpacer3.style.display = 'block'; |
||||
inCol5.appendChild(inSpacer3); |
||||
|
||||
var inCol6 = document.createElement("td"); |
||||
inCol6.setAttribute('background', zoomImagesURI+'zoom-shadow5.png'); |
||||
inRow2.appendChild(inCol6); |
||||
// inCol6.innerHTML = ' ';
|
||||
var inSpacer4 = document.createElement("img"); |
||||
inSpacer4.setAttribute('src',zoomImagesURI+'spacer.gif'); |
||||
inSpacer4.setAttribute('height', '1'); |
||||
inSpacer4.setAttribute('width', '1'); |
||||
inSpacer4.style.display = 'block'; |
||||
inCol6.appendChild(inSpacer4); |
||||
|
||||
// <tr height="26">
|
||||
// <td width="27"><img src="/images/zoom-shadow6.png" width="27" height="26"</td>
|
||||
// <td background="/images/zoom-shadow7.png"> </td>
|
||||
// <td width="27"><img src="/images/zoom-shadow8.png" width="27" height="26"></td>
|
||||
// </tr>
|
||||
// </table>
|
||||
|
||||
var inRow3 = document.createElement("tr"); |
||||
inRow3.style.height = '26px'; |
||||
inShadowTbody.appendChild(inRow3); |
||||
|
||||
var inCol7 = document.createElement("td"); |
||||
inCol7.style.width = '27px'; |
||||
inRow3.appendChild(inCol7); |
||||
var inShadowImg7 = document.createElement("img"); |
||||
inShadowImg7.setAttribute('src', zoomImagesURI+'zoom-shadow6.png'); |
||||
inShadowImg7.setAttribute('width', '27'); |
||||
inShadowImg7.setAttribute('height', '26'); |
||||
inShadowImg7.style.display = 'block'; |
||||
inCol7.appendChild(inShadowImg7); |
||||
|
||||
var inCol8 = document.createElement("td"); |
||||
inCol8.setAttribute('background', zoomImagesURI+'zoom-shadow7.png'); |
||||
inRow3.appendChild(inCol8);
|
||||
// inCol8.innerHTML = ' ';
|
||||
var inSpacer5 = document.createElement("img"); |
||||
inSpacer5.setAttribute('src',zoomImagesURI+'spacer.gif'); |
||||
inSpacer5.setAttribute('height', '1'); |
||||
inSpacer5.setAttribute('width', '1'); |
||||
inSpacer5.style.display = 'block'; |
||||
inCol8.appendChild(inSpacer5); |
||||
|
||||
var inCol9 = document.createElement("td"); |
||||
inCol9.style.width = '27px'; |
||||
inRow3.appendChild(inCol9);
|
||||
var inShadowImg9 = document.createElement("img"); |
||||
inShadowImg9.setAttribute('src', zoomImagesURI+'zoom-shadow8.png'); |
||||
inShadowImg9.setAttribute('width', '27'); |
||||
inShadowImg9.setAttribute('height', '26'); |
||||
inShadowImg9.style.display = 'block'; |
||||
inCol9.appendChild(inShadowImg9); |
||||
} |
||||
|
||||
if (includeCaption) { |
||||
|
||||
// CAPTION
|
||||
//
|
||||
// <div id="ZoomCapDiv" style="margin-left: 13px; margin-right: 13px;">
|
||||
// <table border="1" cellpadding="0" cellspacing="0">
|
||||
// <tr height="26">
|
||||
// <td><img src="zoom-caption-l.png" width="13" height="26"></td>
|
||||
// <td rowspan="3" background="zoom-caption-fill.png"><div id="ZoomCaption"></div></td>
|
||||
// <td><img src="zoom-caption-r.png" width="13" height="26"></td>
|
||||
// </tr>
|
||||
// </table>
|
||||
// </div>
|
||||
|
||||
var inCapDiv = document.createElement("div"); |
||||
inCapDiv.setAttribute('id', 'ZoomCapDiv'); |
||||
inCapDiv.style.position = 'absolute';
|
||||
inCapDiv.style.visibility = 'hidden'; |
||||
inCapDiv.style.marginLeft = 'auto'; |
||||
inCapDiv.style.marginRight = 'auto'; |
||||
inCapDiv.style.zIndex = '501'; |
||||
|
||||
inBody.insertBefore(inCapDiv, inZoombox.nextSibling); |
||||
|
||||
var inCapTable = document.createElement("table"); |
||||
inCapTable.setAttribute('border', '0'); |
||||
inCapTable.setAttribute('cellPadding', '0'); // Wow. These honestly need to
|
||||
inCapTable.setAttribute('cellSpacing', '0'); // be intercapped to work in IE. WTF?
|
||||
inCapDiv.appendChild(inCapTable); |
||||
|
||||
var inTbody = document.createElement("tbody"); // Needed for IE (for HTML4).
|
||||
inCapTable.appendChild(inTbody); |
||||
|
||||
var inCapRow1 = document.createElement("tr"); |
||||
inTbody.appendChild(inCapRow1); |
||||
|
||||
var inCapCol1 = document.createElement("td"); |
||||
inCapCol1.setAttribute('align', 'right'); |
||||
inCapRow1.appendChild(inCapCol1); |
||||
var inCapImg1 = document.createElement("img"); |
||||
inCapImg1.setAttribute('src', zoomImagesURI+'zoom-caption-l.png'); |
||||
inCapImg1.setAttribute('width', '13'); |
||||
inCapImg1.setAttribute('height', '26'); |
||||
inCapImg1.style.display = 'block'; |
||||
inCapCol1.appendChild(inCapImg1); |
||||
|
||||
var inCapCol2 = document.createElement("td"); |
||||
inCapCol2.setAttribute('background', zoomImagesURI+'zoom-caption-fill.png'); |
||||
inCapCol2.setAttribute('id', 'ZoomCaption'); |
||||
inCapCol2.setAttribute('valign', 'middle'); |
||||
inCapCol2.style.fontSize = '14px'; |
||||
inCapCol2.style.fontFamily = 'Helvetica'; |
||||
inCapCol2.style.fontWeight = 'bold'; |
||||
inCapCol2.style.color = '#ffffff'; |
||||
inCapCol2.style.textShadow = '0px 2px 4px #000000'; |
||||
inCapCol2.style.whiteSpace = 'nowrap'; |
||||
inCapRow1.appendChild(inCapCol2); |
||||
|
||||
var inCapCol3 = document.createElement("td"); |
||||
inCapRow1.appendChild(inCapCol3); |
||||
var inCapImg2 = document.createElement("img"); |
||||
inCapImg2.setAttribute('src', zoomImagesURI+'zoom-caption-r.png'); |
||||
inCapImg2.setAttribute('width', '13'); |
||||
inCapImg2.setAttribute('height', '26'); |
||||
inCapImg2.style.display = 'block'; |
||||
inCapCol3.appendChild(inCapImg2); |
||||
} |
||||
} |
||||
|
Before Width: | Height: | Size: 1.0 KiB |
|
Before Width: | Height: | Size: 43 B |
|
Before Width: | Height: | Size: 73 B |
|
Before Width: | Height: | Size: 168 B |
|
Before Width: | Height: | Size: 164 B |
|
Before Width: | Height: | Size: 218 B |
|
Before Width: | Height: | Size: 97 B |
|
Before Width: | Height: | Size: 244 B |
|
Before Width: | Height: | Size: 112 B |
|
Before Width: | Height: | Size: 114 B |
|
Before Width: | Height: | Size: 289 B |
|
Before Width: | Height: | Size: 111 B |
|
Before Width: | Height: | Size: 301 B |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
|
Before Width: | Height: | Size: 1.1 KiB |
@ -0,0 +1,230 @@ |
||||
/*! |
||||
* jQuery FancyZoom Plugin |
||||
* version: 1.0.1 (20-APR-2014) |
||||
* @requires jQuery v1.6.2 or later |
||||
* |
||||
* Examples and documentation at: http://github.com/keegnotrub/jquery.fancyzoom/
|
||||
* Licensed under the MIT license: |
||||
* http://www.opensource.org/licenses/mit-license.php
|
||||
*/ |
||||
(function ($) { |
||||
"use strict"; |
||||
|
||||
$.extend(jQuery.easing, { |
||||
easeInOutCubic: function (x, 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; |
||||
} |
||||
}); |
||||
|
||||
$.fn.fancyZoom = function(settings) { |
||||
var options = $.extend({ |
||||
minBorder: 90 |
||||
}, settings); |
||||
|
||||
var fz = new FancyZoom(options); |
||||
|
||||
this.each(function(e) { |
||||
var $this = $(this); |
||||
$this.mouseover(fz.preload); |
||||
$this.click(fz.show); |
||||
}); |
||||
|
||||
function elementGeometry(elemFind) { |
||||
var $elemFind = $(elemFind); |
||||
|
||||
if ($elemFind.children().length > 0) { |
||||
$elemFind = $elemFind.children(":first"); |
||||
} |
||||
|
||||
var elemX = $elemFind.offset().left; |
||||
var elemY = $elemFind.offset().top; |
||||
var elemW = $elemFind.width() || 50; |
||||
var elemH = $elemFind.height() || 12; |
||||
|
||||
return { left: elemX, top: elemY, width: elemW, height: elemH }; |
||||
} |
||||
|
||||
function windowGeometry() { |
||||
var $window = $(window); |
||||
var w = $window.width(); |
||||
var h = $window.height(); |
||||
var x = $window.scrollLeft(); |
||||
var y = $window.scrollTop(); |
||||
return { width: w, height: h, scrollX: x, scrollY: y }; |
||||
} |
||||
|
||||
function FancyZoom(opts) { |
||||
var options = opts;
|
||||
var zooming = false; |
||||
var preloading = false; |
||||
var pImage = new Image(); |
||||
var pTimer = 0; |
||||
var pFrame = 0; |
||||
var eGeometry, wGeometry; |
||||
|
||||
var $zoom, $zoom_img, $zoom_close, $zoom_spin; |
||||
|
||||
var self = this; |
||||
|
||||
$zoom = $("#zoom"); |
||||
if ($zoom.length === 0) { |
||||
$zoom = $(document.createElement("div")); |
||||
$zoom.attr("id", "zoom"); |
||||
$("body").append($zoom); |
||||
} |
||||
|
||||
$zoom_img = $("#zoom_img"); |
||||
if ($zoom_img.length === 0) { |
||||
$zoom_img = $(document.createElement("img")); |
||||
$zoom_img.attr("id", "zoom_img"); |
||||
$zoom.append($zoom_img); |
||||
} |
||||
|
||||
$zoom_close = $("#zoom_close"); |
||||
if ($zoom_close.length === 0) { |
||||
$zoom_close = $(document.createElement("div")); |
||||
$zoom_close.attr("id", "zoom_close"); |
||||
$zoom.append($zoom_close); |
||||
} |
||||
|
||||
$zoom_spin = $("#zoom_spin"); |
||||
if ($zoom_spin.length === 0) { |
||||
$zoom_spin = $(document.createElement("div")); |
||||
$zoom_spin.attr("id", "zoom_spin"); |
||||
$("body").append($zoom_spin); |
||||
} |
||||
|
||||
this.preload = function(e) { |
||||
var href = this.getAttribute("href"); |
||||
|
||||
if (pImage.src !== href) { |
||||
preloading = true; |
||||
pImage = new Image(); |
||||
$(pImage).on('load', function() { |
||||
preloading = false; |
||||
}); |
||||
pImage.src = href; |
||||
} |
||||
}; |
||||
|
||||
this.show = function(e) {
|
||||
wGeometry = windowGeometry(); |
||||
eGeometry = elementGeometry(this); |
||||
|
||||
self.preload.call(this, e); |
||||
|
||||
if (preloading) { |
||||
if (pTimer === 0) { |
||||
startSpinner(this); |
||||
} |
||||
} |
||||
else { |
||||
zoomIn(this); |
||||
} |
||||
|
||||
e.preventDefault(); |
||||
}; |
||||
|
||||
function runSpinner(from) { |
||||
if (preloading) { |
||||
$zoom_spin.css("backgroundPosition", "0px " + (pFrame * -50) + "px"); |
||||
pFrame = (pFrame + 1) % 12; |
||||
} |
||||
else { |
||||
clearInterval(pTimer); |
||||
pTimer = 0; |
||||
pFrame = 0; |
||||
$zoom_spin.hide(); |
||||
zoomIn(from); |
||||
} |
||||
} |
||||
|
||||
function startSpinner(from) { |
||||
$zoom_spin.css({ |
||||
left: ((wGeometry.width / 2) + wGeometry.scrollX) + "px", |
||||
top: ((wGeometry.height / 2) + wGeometry.scrollY) + "px", |
||||
backgroundPosition: "0px 0px", |
||||
display: "block" |
||||
}); |
||||
pFrame = 0; |
||||
pTimer = setInterval(function() { |
||||
runSpinner(from); |
||||
}, 100); |
||||
} |
||||
|
||||
function zoomIn(from) { |
||||
if (zooming) return false; |
||||
zooming = true; |
||||
|
||||
$zoom_img.attr("src", from.getAttribute("href")); |
||||
|
||||
var endW = pImage.width; |
||||
var endH = pImage.height; |
||||
|
||||
var sizeRatio = endW / endH; |
||||
if (endW > wGeometry.width - options.minBorder) { |
||||
endW = wGeometry.width - options.minBorder; |
||||
endH = endW / sizeRatio; |
||||
} |
||||
if (endH > wGeometry.height - options.minBorder) { |
||||
endH = wGeometry.height - options.minBorder; |
||||
endW = endH * sizeRatio; |
||||
} |
||||
|
||||
var endTop = (wGeometry.height/2) - (endH/2) + wGeometry.scrollY; |
||||
var endLeft = (wGeometry.width/2) - (endW/2) + wGeometry.scrollX; |
||||
|
||||
$zoom_close.hide(); |
||||
$zoom.hide().css({ |
||||
left : eGeometry.left + "px", |
||||
top : eGeometry.top + "px", |
||||
width : eGeometry.width + "px", |
||||
height : eGeometry.height + "px", |
||||
opacity : "hide" |
||||
}); |
||||
|
||||
$zoom.animate({ |
||||
left : endLeft + 'px', |
||||
top : endTop + 'px', |
||||
width : endW + "px", |
||||
height : endH + "px", |
||||
opacity : "show" |
||||
}, 200, "easeInOutCubic", function() { |
||||
$zoom_close.fadeIn(); |
||||
$zoom_close.click(zoomOut); |
||||
$zoom.click(zoomOut); |
||||
$(document).keyup(closeOnEscape); |
||||
zooming = false; |
||||
}); |
||||
} |
||||
|
||||
function zoomOut() { |
||||
if (zooming) return false; |
||||
zooming = true; |
||||
|
||||
$zoom_close.hide(); |
||||
$zoom.animate({ |
||||
left : eGeometry.left + "px", |
||||
top : eGeometry.top + "px", |
||||
opacity : "hide", |
||||
width : eGeometry.width + "px", |
||||
height : eGeometry.height + "px" |
||||
}, 200, "easeInOutCubic", function() { |
||||
zooming = false; |
||||
}); |
||||
|
||||
$zoom.unbind('click', zoomOut); |
||||
$zoom_close.unbind('click', zoomOut); |
||||
$(document).unbind('keyup', closeOnEscape); |
||||
} |
||||
|
||||
function closeOnEscape(event){ |
||||
if (event.keyCode == 27) { |
||||
zoomOut(); |
||||
} |
||||
} |
||||
} |
||||
}; |
||||
|
||||
})(jQuery); |
||||
|
After Width: | Height: | Size: 6.9 KiB |
Loading…
Reference in new issue