140 lines
3.1 KiB
JavaScript
140 lines
3.1 KiB
JavaScript
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jQuery.fn.extend({
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everyTime: function(interval, label, fn, times, belay) {
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return this.each(function() {
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jQuery.timer.add(this, interval, label, fn, times, belay);
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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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guid: 1,
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global: {},
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regex: /^([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 = parseInt(result[1], 10);
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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, belay) {
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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 (times && times.constructor != Number) {
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belay = !!times;
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times = 0;
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}
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times = times || 0;
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belay = belay || false;
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if (!element.$timers)
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element.$timers = {};
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if (!element.$timers[label])
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element.$timers[label] = {};
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fn.$timerID = fn.$timerID || this.guid++;
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var handler = function() {
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if (belay && this.inProgress)
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return;
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this.inProgress = true;
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if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
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jQuery.timer.remove(element, label, fn);
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this.inProgress = false;
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};
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handler.$timerID = fn.$timerID;
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if (!element.$timers[label][fn.$timerID])
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element.$timers[label][fn.$timerID] = window.setInterval(handler,interval);
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if ( !this.global[label] )
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this.global[label] = [];
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this.global[label].push( element );
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},
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remove: function(element, label, fn) {
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var timers = element.$timers, 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.$timerID];
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}
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} else {
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for ( var fn in timers[label] ) {
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window.clearInterval(timers[label][fn]);
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delete timers[label][fn];
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}
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}
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for ( ret in timers[label] ) break;
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if ( !ret ) {
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ret = null;
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delete timers[label];
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}
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}
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for ( ret in timers ) break;
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if ( !ret )
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element.$timers = null;
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}
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}
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}
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});
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if (jQuery.browser.msie)
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jQuery(window).one("unload", function() {
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var global = jQuery.timer.global;
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for ( var label in global ) {
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var els = global[label], i = els.length;
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while ( --i )
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jQuery.timer.remove(els[i], label);
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}
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});
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