diff options
Diffstat (limited to 'public/marquee.js')
| -rw-r--r-- | public/marquee.js | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/public/marquee.js b/public/marquee.js deleted file mode 100644 index 9e046d5..0000000 --- a/public/marquee.js +++ /dev/null @@ -1,155 +0,0 @@ -/** -* author Remy Sharp -* url http://remysharp.com/tag/marquee -*/ - -(function ($) { - $.fn.marquee = function (klass) { - var newMarquee = [], - last = this.length; - - // works out the left or right hand reset position, based on scroll - // behavior, current direction and new direction - function getReset(newDir, marqueeRedux, marqueeState) { - var behavior = marqueeState.behavior, width = marqueeState.width, dir = marqueeState.dir; - var r = 0; - if (behavior == 'alternate') { - r = newDir == 1 ? marqueeRedux[marqueeState.widthAxis] - (width*2) : width; - } else if (behavior == 'slide') { - if (newDir == -1) { - r = dir == -1 ? marqueeRedux[marqueeState.widthAxis] : width; - } else { - r = dir == -1 ? marqueeRedux[marqueeState.widthAxis] - (width*2) : 0; - } - } else { - r = newDir == -1 ? marqueeRedux[marqueeState.widthAxis] : 0; - } - return r; - } - - // single "thread" animation - function animateMarquee() { - var i = newMarquee.length, - marqueeRedux = null, - $marqueeRedux = null, - marqueeState = {}, - newMarqueeList = [], - hitedge = false; - - while (i--) { - marqueeRedux = newMarquee[i]; - $marqueeRedux = $(marqueeRedux); - marqueeState = $marqueeRedux.data('marqueeState'); - - if ($marqueeRedux.data('paused') !== true) { - // TODO read scrollamount, dir, behavior, loops and last from data - marqueeRedux[marqueeState.axis] += (marqueeState.scrollamount * marqueeState.dir); - - // only true if it's hit the end - hitedge = marqueeState.dir == -1 ? marqueeRedux[marqueeState.axis] <= getReset(marqueeState.dir * -1, marqueeRedux, marqueeState) : marqueeRedux[marqueeState.axis] >= getReset(marqueeState.dir * -1, marqueeRedux, marqueeState); - - if ((marqueeState.behavior == 'scroll' && marqueeState.last == marqueeRedux[marqueeState.axis]) || (marqueeState.behavior == 'alternate' && hitedge && marqueeState.last != -1) || (marqueeState.behavior == 'slide' && hitedge && marqueeState.last != -1)) { - if (marqueeState.behavior == 'alternate') { - marqueeState.dir *= -1; // flip - } - marqueeState.last = -1; - - $marqueeRedux.trigger('stop'); - - marqueeState.loops--; - if (marqueeState.loops === 0) { - if (marqueeState.behavior != 'slide') { - marqueeRedux[marqueeState.axis] = getReset(marqueeState.dir, marqueeRedux, marqueeState); - } else { - // corrects the position - marqueeRedux[marqueeState.axis] = getReset(marqueeState.dir * -1, marqueeRedux, marqueeState); - } - - $marqueeRedux.trigger('end'); - } else { - // keep this marquee going - newMarqueeList.push(marqueeRedux); - $marqueeRedux.trigger('start'); - marqueeRedux[marqueeState.axis] = getReset(marqueeState.dir, marqueeRedux, marqueeState); - } - } else { - newMarqueeList.push(marqueeRedux); - } - marqueeState.last = marqueeRedux[marqueeState.axis]; - - // store updated state only if we ran an animation - $marqueeRedux.data('marqueeState', marqueeState); - } else { - // even though it's paused, keep it in the list - newMarqueeList.push(marqueeRedux); - } - } - - newMarquee = newMarqueeList; - - if (newMarquee.length) { - setTimeout(animateMarquee, 25); - } - } - - // TODO consider whether using .html() in the wrapping process could lead to loosing predefined events... - this.each(function (i) { - var $marquee = $(this), - width = $marquee.attr('width') || $marquee.width(), - height = $marquee.attr('height') || $marquee.height(), - $marqueeRedux = $marquee.after('<div ' + (klass ? 'class="' + klass + '" ' : '') + 'style="display: block-inline; width: ' + width + 'px; height: ' + height + 'px; overflow: hidden;"><div style="float: left; white-space: nowrap;">' + $marquee.html() + '</div></div>').next(), - marqueeRedux = $marqueeRedux.get(0), - hitedge = 0, - direction = ($marquee.attr('direction') || 'left').toLowerCase(), - marqueeState = { - dir : /down|right/.test(direction) ? -1 : 1, - axis : /left|right/.test(direction) ? 'scrollLeft' : 'scrollTop', - widthAxis : /left|right/.test(direction) ? 'scrollWidth' : 'scrollHeight', - last : -1, - loops : $marquee.attr('loop') || -1, - scrollamount : $marquee.attr('scrollamount') || this.scrollAmount || 2, - behavior : ($marquee.attr('behavior') || 'scroll').toLowerCase(), - width : /left|right/.test(direction) ? width : height - }; - - // corrects a bug in Firefox - the default loops for slide is -1 - if ($marquee.attr('loop') == -1 && marqueeState.behavior == 'slide') { - marqueeState.loops = 1; - } - - $marquee.remove(); - - // add padding - if (/left|right/.test(direction)) { - $marqueeRedux.find('> div').css('padding', '0 ' + width + 'px'); - } else { - $marqueeRedux.find('> div').css('padding', height + 'px 0'); - } - - // events - $marqueeRedux.bind('stop', function () { - $marqueeRedux.data('paused', true); - }).bind('pause', function () { - $marqueeRedux.data('paused', true); - }).bind('start', function () { - $marqueeRedux.data('paused', false); - }).bind('unpause', function () { - $marqueeRedux.data('paused', false); - }).data('marqueeState', marqueeState); // finally: store the state - - // todo - rerender event allowing us to do an ajax hit and redraw the marquee - - newMarquee.push(marqueeRedux); - - marqueeRedux[marqueeState.axis] = getReset(marqueeState.dir, marqueeRedux, marqueeState); - $marqueeRedux.trigger('start'); - - // on the very last marquee, trigger the animation - if (i+1 == last) { - animateMarquee(); - } - }); - - return $(newMarquee); - }; -}(jQuery));
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