Index: openacs-4/packages/ajaxhelper/www/resources/carousel/carousel.css
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ajaxhelper/www/resources/carousel/carousel.css,v
diff -u
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ openacs-4/packages/ajaxhelper/www/resources/carousel/carousel.css 24 Oct 2006 15:17:52 -0000 1.1
@@ -0,0 +1,77 @@
+/**
+ * Copyright (c) 2006, Bill W. Scott
+ * All rights reserved.
+ *
+ * This work is licensed under the Creative Commons Attribution 2.5 License. To view a copy
+ * of this license, visit http://creativecommons.org/licenses/by/2.5/ or send a letter to
+ * Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.
+ *
+ * This work was created by Bill Scott (billwscott.com, looksgoodworkswell.com).
+ *
+ * The only attribution I require is to keep this notice of copyright & license
+ * in this original source file.
+ */
+
+/**
+ * Standard Configuration. It is advised that this section NOT be modified as the
+ * carousel.js expects the behavior outlined below.
+ **/
+.carousel-component {
+ position:relative;
+ overflow:hidden;
+ visibility:visible; /* component turns it on when first item is rendered */
+}
+
+.carousel-component ul.carousel-list {
+ width:10000000px;
+ position:relative;
+ z-index:1;
+}
+
+.carousel-component .carousel-list li {
+ float:left;
+ list-style:none;
+ overflow:hidden;
+}
+
+.carousel-component .carousel-vertical li {
+ float:none;
+ margin-bottom:0px;
+}
+
+.carousel-component ul.carousel-vertical {
+ width:auto;
+}
+
+.carousel-component .carousel-clip-region {
+ overflow:hidden;
+ margin:0px auto;
+ position:relative;
+}
+
+/**
+ * Safe to override. It is safe to override background, padding, margin, color,
+ * text alignment, fonts, etc. Define a separate CSS file and override your style
+ * preferences.
+ **/
+
+.carousel-component {
+ background:#3F3F3F;
+ padding:0px;
+ color:#618cbe;
+}
+.carousel-component ul.carousel-list {
+ margin:0px;
+ padding:0px 0px 0px 0px;
+}
+.carousel-component .carousel-list li {
+ text-align:center;
+ margin:0px 0px 0px 0px;
+ padding:0px;
+ font:10px verdana,arial,sans-serif;
+ color:#666;
+}
+.carousel-component .carousel-vertical li {
+}
+.carousel-component ul.carousel-vertical {
+}
Index: openacs-4/packages/ajaxhelper/www/resources/carousel/carousel.js
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ajaxhelper/www/resources/carousel/carousel.js,v
diff -u
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ openacs-4/packages/ajaxhelper/www/resources/carousel/carousel.js 24 Oct 2006 15:17:52 -0000 1.1
@@ -0,0 +1,241 @@
+// Copyright (c) 2006 Sébastien Gruhier (http://xilinus.com, http://itseb.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// VERSION 0.25
+
+var Carousel = Class.create();
+Carousel.prototype = {
+ // Constructor
+ initialize: function(carouselElemID) {
+ this.carouselElemID = carouselElemID;
+
+ this.options = Object.extend({
+ numVisible: 4,
+ scrollInc: 3,
+ animParameters: {},
+ buttonStateHandler: null,
+ animHandler: null,
+ ajaxHandler: null,
+ initDoneHandler: null,
+ queue: "carousel",
+ size: 0,
+ prevElementID: "prev-arrow",
+ nextElementID: "next-arrow",
+ ajaxParameters: null,
+ url: null
+ }, arguments[1] || {});
+
+ this.initDone = false;
+ this.animRunning = "none";
+ this.requestIsRunning = false;
+
+ // add afterFinish options to animParameters (store old function)
+ this.animAfterFinish = this.options.animParameters.afterFinish;
+ Object.extend(this.options.animParameters, {afterFinish: this._animDone.bind(this), queue: { position:'end', scope: this.options.queue }});
+
+ // Event bindings
+ this.prevScroll = this._prevScroll.bindAsEventListener(this);
+ this.nextScroll = this._nextScroll.bindAsEventListener(this);
+ this.onComplete = this._onComplete.bindAsEventListener(this);
+ this.onFailure = this._onFailure.bindAsEventListener(this);
+
+ Event.observe(this.options.prevElementID, "click", this.prevScroll);
+ Event.observe(this.options.nextElementID, "click", this.nextScroll);
+
+ // Get DOM UL element
+ var carouselListClass = "carousel-list";
+ this.carouselList = document.getElementsByClassName(carouselListClass, $(carouselElemID))[0]
+
+ // Init data
+ this._init();
+ },
+
+ // Destructor
+ destroy: function() {
+ Event.stopObserving(this.options.prevElementID, "click", this.prevScroll);
+ Event.stopObserving(this.options.nextElementID, "click", this.nextScroll);
+ },
+
+ scrollTo: function(newStart) {
+ var old_inc = this.options.scrollInc;
+ this.ignoreNoMoreImages = true;
+ if(newStart > this.currentIndex) {
+ this.options.scrollInc = newStart - this.currentIndex;
+ this._nextScroll(this);
+ } else {
+ this.options.scrollInc = this.currentIndex - newStart;
+ this._prevScroll(this);
+ }
+ this.options.scrollInc = old_inc;
+ },
+
+ /* "Private" functions */
+ _init: function() {
+ this.currentIndex = 0;
+
+
+ // Ajax content
+ if (this.options.url)
+ this._request(this.currentIndex, this.options.numVisible);
+ // Static content
+ else {
+ this._getLiElementSize();
+ this._updateButtonStateHandler(this.options.prevElementID, false);
+ this._updateButtonStateHandler(this.options.nextElementID, this.options.size > this.options.numVisible);
+ }
+ },
+
+ _prevScroll: function(event) {
+ if (this.animRunning != "none" || this.currentIndex == 0)
+ return;
+
+ var inc = this.options.scrollInc;
+
+ if (this.currentIndex - inc < 0)
+ inc = this.currentIndex;
+
+ this._scroll(inc)
+ return false;
+ },
+
+ _nextScroll: function(event) {
+ if (this.animRunning != "none")
+ return false;
+
+ // Check if there are enough elements in cache
+ if (this.currentIndex + this.options.numVisible + this.options.scrollInc <= this.options.size)
+ this._scroll(-this.options.scrollInc);
+ else {
+ // Compute how many are in the cache
+ this.nbInCache = this.options.size - (this.currentIndex + this.options.numVisible);
+ if (this.options.url && this.noMoreImages == false)
+ this._request(this.currentIndex + this.options.numVisible + this.nbInCache, this.options.scrollInc - this.nbInCache);
+ else {
+ if (this.nbInCache > 0)
+ this._scroll(-this.nbInCache);
+ }
+ }
+ return false;
+ },
+
+ _request: function(start, nb) {
+ if (this.options.url && ! this.requestIsRunning) {
+ this.requestIsRunning = true;
+
+ if (this.options.ajaxHandler)
+ this.options.ajaxHandler(this, "before");
+
+ var params = "start=" + start + "&nb=" + nb;
+ if (this.options.ajaxParameters != null)
+ params += "&" + this.options.ajaxParameters
+
+ new Ajax.Request(this.options.url, {parameters: params, onComplete: this.onComplete, onFailure: this.onFailure});
+ }
+ },
+
+ _onComplete: function(originalRequest){
+ this.requestIsRunning = false;
+ this.carouselList.innerHTML += originalRequest.responseText;
+ // Compute how many new elements we have
+ var size = this.options.size;
+ this.options.size = this.carouselList.getElementsByTagName("li").length;
+ var inc = this.options.size - size;
+
+ // First run, compute li size
+ if (this.initDone == false) {
+ this._getLiElementSize()
+ this.currentIndex = 0;
+ this.initDone = true;
+ if (this.options.initDoneHandler)
+ this.options.initDoneHandler(this);
+
+ // Update button states
+ this._updateButtonStateHandler(this.options.prevElementID, false);
+ this._updateButtonStateHandler(this.options.nextElementID, this.options.size == this.options.numVisible);
+ this.noMoreImages = this.options.size < this.options.numVisible
+ }
+ // Add images
+ else {
+ if (!this.ignoreNoMoreImages)
+ this.noMoreImages = inc != this.options.scrollInc;
+ else
+ this.ignoreNoMoreImages = false;
+ // Add images
+ if (inc > 0) {
+ this._scroll(-inc, this.noMoreImages)
+ }
+ // No more images, disable next button
+ else {
+ if (this.nbInCache >0)
+ this._scroll(-this.nbInCache, true);
+
+ this._updateButtonStateHandler(this.options.nextElementID, false);
+ }
+ }
+ if (this.options.ajaxHandler)
+ this.options.ajaxHandler(this, "after");
+ },
+
+ _onFailure: function(originalRequest){
+ this.requestIsRunning = false;
+ },
+
+ _animDone: function(event){
+ if (this.options.animHandler)
+ this.options.animHandler(this.carouselElemID, "after", this.animRunning);
+
+ this.animRunning = "none";
+ // Call animAfterFinish if exists
+ if (this.animAfterFinish)
+ this.animAfterFinish(event);
+ },
+
+ _updateButtonStateHandler: function(button, state) {
+ if (this.options.buttonStateHandler)
+ this.options.buttonStateHandler(button, state)
+ },
+
+ _scroll: function(delta, forceDisableNext) {
+ this.animRunning = delta > 0 ? "prev" : "next";
+
+ if (this.options.animHandler)
+ this.options.animHandler(this.carouselElemID, "before", this.animRunning);
+
+ new Effect.MoveBy(this.carouselList, 0, delta * this.elementSize, this.options.animParameters);
+ this.currentIndex -= delta;
+ this._updateButtonStateHandler(this.options.prevElementID, this.currentIndex != 0);
+
+ if (this.options.url && this.noMoreImages == false)
+ enable = true;
+ else
+ enable = (this.currentIndex + this.options.numVisible < this.options.size);
+ this._updateButtonStateHandler(this.options.nextElementID, (forceDisableNext ? false : enable));
+ },
+
+ _getLiElementSize: function() {
+ var li = $(this.carouselList.getElementsByTagName("li")[0]);
+ this.elementSize = li.getDimensions().width + parseFloat(li.getStyle("margin-left")) + + parseFloat(li.getStyle("margin-right"));
+ }
+}
+
+
+
+
Index: openacs-4/packages/ajaxhelper/www/resources/carousel/left-disabled.gif
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RCS file: /usr/local/cvsroot/openacs-4/packages/ajaxhelper/www/resources/carousel/left-disabled.gif,v
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Index: openacs-4/packages/ajaxhelper/www/resources/carousel/left-enabled.gif
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RCS file: /usr/local/cvsroot/openacs-4/packages/ajaxhelper/www/resources/carousel/left-enabled.gif,v
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Index: openacs-4/packages/ajaxhelper/www/resources/carousel/right-disabled.gif
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RCS file: /usr/local/cvsroot/openacs-4/packages/ajaxhelper/www/resources/carousel/right-disabled.gif,v
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Index: openacs-4/packages/ajaxhelper/www/resources/carousel/right-enabled.gif
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RCS file: /usr/local/cvsroot/openacs-4/packages/ajaxhelper/www/resources/carousel/right-enabled.gif,v
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