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139 lines
3.2 KiB
JavaScript
139 lines
3.2 KiB
JavaScript
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/**
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* jQuery.timers - Timer abstractions for jQuery
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* Written by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com)
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* Licensed under the WTFPL (http://sam.zoy.org/wtfpl/).
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* Date: 2009/10/16
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*
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* @author Blair Mitchelmore
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* @version 1.2
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*
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**/
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jQuery.fn.extend({
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everyTime: function(interval, label, fn, times) {
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return this.each(function() {
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jQuery.timer.add(this, interval, label, fn, times);
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});
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},
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oneTime: function(interval, label, fn) {
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return this.each(function() {
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jQuery.timer.add(this, interval, label, fn, 1);
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});
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},
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stopTime: function(label, fn) {
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return this.each(function() {
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jQuery.timer.remove(this, label, fn);
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});
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}
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});
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jQuery.extend({
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timer: {
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global: [],
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guid: 1,
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dataKey: "jQuery.timer",
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regex: /^([0-9]+(?:\.[0-9]*)?)\s*(.*s)?$/,
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powers: {
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// Yeah this is major overkill...
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'ms': 1,
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'cs': 10,
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'ds': 100,
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's': 1000,
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'das': 10000,
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'hs': 100000,
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'ks': 1000000
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},
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timeParse: function(value) {
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if (value == undefined || value == null)
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return null;
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var result = this.regex.exec(jQuery.trim(value.toString()));
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if (result[2]) {
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var num = parseFloat(result[1]);
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var mult = this.powers[result[2]] || 1;
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return num * mult;
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} else {
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return value;
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}
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},
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add: function(element, interval, label, fn, times) {
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var counter = 0;
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if (jQuery.isFunction(label)) {
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if (!times)
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times = fn;
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fn = label;
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label = interval;
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}
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interval = jQuery.timer.timeParse(interval);
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if (typeof interval != 'number' || isNaN(interval) || interval < 0)
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return;
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if (typeof times != 'number' || isNaN(times) || times < 0)
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times = 0;
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times = times || 0;
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var timers = jQuery.data(element, this.dataKey) || jQuery.data(element, this.dataKey, {});
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if (!timers[label])
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timers[label] = {};
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fn.timerID = fn.timerID || this.guid++;
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var handler = function() {
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if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
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jQuery.timer.remove(element, label, fn);
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};
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handler.timerID = fn.timerID;
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if (!timers[label][fn.timerID])
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timers[label][fn.timerID] = window.setInterval(handler,interval);
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this.global.push( element );
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},
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remove: function(element, label, fn) {
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var timers = jQuery.data(element, this.dataKey), ret;
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if ( timers ) {
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if (!label) {
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for ( label in timers )
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this.remove(element, label, fn);
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} else if ( timers[label] ) {
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if ( fn ) {
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if ( fn.timerID ) {
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window.clearInterval(timers[label][fn.timerID]);
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delete timers[label][fn.timerID];
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}
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} else {
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for ( var fn in timers[label] ) {
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window.clearInterval(timers[label][fn]);
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delete timers[label][fn];
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}
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}
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for ( ret in timers[label] ) break;
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if ( !ret ) {
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ret = null;
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delete timers[label];
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}
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}
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for ( ret in timers ) break;
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if ( !ret )
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jQuery.removeData(element, this.dataKey);
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}
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}
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}
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});
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jQuery(window).bind("unload", function() {
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jQuery.each(jQuery.timer.global, function(index, item) {
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jQuery.timer.remove(item);
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});
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});
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