/** * jQuery.pulse * Copyright (c) 2008 James Padolsey - jp(at)qd9(dot)co.uk | http://james.padolsey.com / http://enhance.qd-creative.co.uk * Dual licensed under MIT and GPL. * Date: 05/11/08 * * @projectDescription Applies a continual pulse to any element specified * http://enhance.qd-creative.co.uk/demos/pulse/ * Tested successfully with jQuery 1.2.6. On FF 2/3, IE 6/7, Opera 9.5 and Safari 3. on Windows XP. * * @author James Padolsey * @version 1.11 * * @id jQuery.pulse * @id jQuery.recover * @id jQuery.fn.pulse * @id jQuery.fn.recover */ (function($){ $.fn.recover = function() { /* Empty inline styles - i.e. set element back to previous state */ /* Note, the recovery might not work properly if you had inline styles set before pulse initiation */ return this.each(function(){$(this).stop().css({backgroundColor:'',color:'',borderLeftColor:'',borderRightColor:'',borderTopColor:'',borderBottomColor:'',opacity:1});}); } $.fn.pulse = function(options){ var defaultOptions = { textColors: [], backgroundColors: [], borderColors: [], opacityPulse: true, opacityRange: [], speed: 1000, duration: false, runLength: false }, o = $.extend(defaultOptions,options); /* Validate custom options */ if(o.textColors.length===1||o.backgroundColors.length===1||o.borderColors.length===1) {return false;} /* Begin: */ return this.each(function(){ var $t = $(this), pulseCount=1, pulseLimit = (o.runLength&&o.runLength>0) ? o.runLength*largestArrayLength([o.textColors.length,o.backgroundColors.length,o.borderColors.length,o.opacityRange.length]) : false; clearTimeout(recover); if(o.duration) { setTimeout(recover,o.duration); } function nudgePulse(textColorIndex,bgColorIndex,borderColorIndex,opacityIndex) { if(pulseLimit&&pulseCount===pulseLimit) { return $t.recover(); } pulseCount++; /* Initiate color change - on callback continue */ return $t.animate(getColorsAtIndex(textColorIndex,bgColorIndex,borderColorIndex,opacityIndex),o.speed,function(){ /* Callback of each step */ nudgePulse( getNextIndex(o.textColors,textColorIndex), getNextIndex(o.backgroundColors,bgColorIndex), getNextIndex(o.borderColors,borderColorIndex), getNextIndex(o.opacityRange,opacityIndex) ); }); } /* Set CSS to first step (no animation) */ $t.css(getColorsAtIndex(0,0,0,0)); /* Then animate to second step */ nudgePulse(1,1,1,1); function getColorsAtIndex(textColorIndex,bgColorIndex,borderColorIndex,opacityIndex) { /* Prepare animation object - get's all property names/values from passed indexes */ var params = {}; if(o.backgroundColors.length) { params['backgroundColor'] = o.backgroundColors[bgColorIndex]; } if(o.textColors.length) { params['color'] = o.textColors[textColorIndex]; } if(o.borderColors.length) { params['borderLeftColor'] = o.borderColors[borderColorIndex]; params['borderRightColor'] = o.borderColors[borderColorIndex]; params['borderTopColor'] = o.borderColors[borderColorIndex]; params['borderBottomColor'] = o.borderColors[borderColorIndex]; } if(o.opacityPulse&&o.opacityRange.length) { params['opacity'] = o.opacityRange[opacityIndex]; } return params; } function getNextIndex(property,currentIndex) { if (property.length>currentIndex+1) {return currentIndex+1;} else {return 0;} } function largestArrayLength(arrayOfArrays) { return Math.max.apply( Math, arrayOfArrays ); } function recover() { $t.recover(); } }); } })(jQuery); /* The below code extends the animate function so that it works with color animations */ /* By John Resig */ (function(jQuery){ jQuery.each(['backgroundColor','borderBottomColor','borderLeftColor','borderRightColor','borderTopColor','color','outlineColor'],function(i,attr){jQuery.fx.step[attr]=function(fx){if(fx.state==0){fx.start=getColor(fx.elem,attr);fx.end=getRGB(fx.end)}fx.elem.style[attr]="rgb("+[Math.max(Math.min(parseInt((fx.pos*(fx.end[0]-fx.start[0]))+fx.start[0]),255),0),Math.max(Math.min(parseInt((fx.pos*(fx.end[1]-fx.start[1]))+fx.start[1]),255),0),Math.max(Math.min(parseInt((fx.pos*(fx.end[2]-fx.start[2]))+fx.start[2]),255),0)].join(",")+")"}}); function getRGB(color){var result;if(color&&color.constructor==Array&&color.length==3)return color;if(result=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color)){return[parseInt(result[1]),parseInt(result[2]),parseInt(result[3])]}if(result=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color)){return[parseFloat(result[1])*2.55,parseFloat(result[2])*2.55,parseFloat(result[3])*2.55]}if(result=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color)){return[parseInt(result[1],16),parseInt(result[2],16),parseInt(result[3],16)]}if(result=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color)){return[parseInt(result[1]+result[1],16),parseInt(result[2]+result[2],16),parseInt(result[3]+result[3],16)]}return colors[jQuery.trim(color).toLowerCase()]} function getColor(elem,attr){var color;do{color=jQuery.curCSS(elem,attr);if(color!=''&&color!='transparent'||jQuery.nodeName(elem,"body")){break}attr="backgroundColor"}while(elem=elem.parentNode);return getRGB(color)}; var colors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}; })(jQuery);