| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | (function($){$.fn.inputlimiter=function(options){var opts=$.extend({},$.fn.inputlimiter.defaults,options),$elements=$(this);if(opts.boxAttach&&!$('#'+opts.boxId).length){$('<div/>').appendTo("body").attr({id:opts.boxId,'class':opts.boxClass}).css({'position':'absolute'}).hide();if($.fn.bgiframe){$('#'+opts.boxId).bgiframe();}} |
| A | 2 | var inputlimiterKeyup=function(e){var $this=$(this),count=counter($this.val());if(!opts.allowExceed&&count>opts.limit){$this.val(truncater($this.val()));} |
| 3 | if(opts.boxAttach){$('#'+opts.boxId).css({'width':$this.outerWidth()-($('#'+opts.boxId).outerWidth()-$('#'+opts.boxId).width())+'px','left':$this.offset().left+'px','top':($this.offset().top+$this.outerHeight())-1+'px','z-index':2000});} | |
| 4 | var charsRemaining=(opts.limit-count>0?opts.limit-count:0),remText=opts.remTextFilter(opts,charsRemaining),limitText=opts.limitTextFilter(opts);if(opts.limitTextShow){$('#'+opts.boxId).html(remText+' '+limitText);var textWidth=$("<span/>").appendTo("body").attr({id:'19cc9195583bfae1fad88e19d443be7a','class':opts.boxClass}).html(remText+' '+limitText).innerWidth();$("#19cc9195583bfae1fad88e19d443be7a").remove();if(textWidth>$('#'+opts.boxId).innerWidth()){$('#'+opts.boxId).html(remText+'<br />'+limitText);} | |
| 5 | $('#'+opts.boxId).show();}else{$('#'+opts.boxId).html(remText).show();}},inputlimiterKeypress=function(e){var count=counter($(this).val());if(!opts.allowExceed&&count>opts.limit){var modifierKeyPressed=e.ctrlKey||e.altKey||e.metaKey;if(!modifierKeyPressed&&(e.which>=32&&e.which<=122)&&this.selectionStart===this.selectionEnd){return false;}}},inputlimiterBlur=function(){var $this=$(this);count=counter($this.val());if(!opts.allowExceed&&count>opts.limit){$this.val(truncater($this.val()));} | |
| 6 | if(opts.boxAttach){$('#'+opts.boxId).fadeOut('fast');}else if(opts.remTextHideOnBlur){var limitText=opts.limitText;limitText=limitText.replace(/\%n/g,opts.limit);limitText=limitText.replace(/\%s/g,(opts.limit===1?'':'s'));$('#'+opts.boxId).html(limitText);}},counter=function(value){if(opts.limitBy.toLowerCase()==="words"){return(value.length>0?$.trim(value).replace(/\ +(?= )/g,'').split(' ').length:0);} | |
| 7 | var count=value.length,newlines=value.match(/\n/g);if(newlines&&opts.lineReturnCount>1){count+=newlines.length*(opts.lineReturnCount-1);} | |
| 8 | return count;},truncater=function(value){if(opts.limitBy.toLowerCase()==="words"){return $.trim(value).replace(/\ +(?= )/g,'').split(' ').splice(0,opts.limit).join(' ')+' ';} | |
| 9 | return value.substring(0,opts.limit);};$(this).each(function(i){var $this=$(this);if((!options||!options.limit)&&opts.useMaxlength&&parseInt($this.attr('maxlength'))>0&&parseInt($this.attr('maxlength'))!=opts.limit){$this.inputlimiter($.extend({},opts,{limit:parseInt($this.attr('maxlength'))}));}else{if(!opts.allowExceed&&opts.useMaxlength&&opts.limitBy.toLowerCase()==="characters"){$this.attr('maxlength',opts.limit);} | |
| 10 | $this.unbind('.inputlimiter');$this.bind('keyup.inputlimiter',inputlimiterKeyup);$this.bind('keypress.inputlimiter',inputlimiterKeypress);$this.bind('blur.inputlimiter',inputlimiterBlur);}});};$.fn.inputlimiter.remtextfilter=function(opts,charsRemaining){var remText=opts.remText;if(charsRemaining===0&&opts.remFullText!==null){remText=opts.remFullText;} | |
| 11 | remText=remText.replace(/\%n/g,charsRemaining);remText=remText.replace(/\%s/g,(opts.zeroPlural?(charsRemaining===1?'':'s'):(charsRemaining<=1?'':'s')));return remText;};$.fn.inputlimiter.limittextfilter=function(opts){var limitText=opts.limitText;limitText=limitText.replace(/\%n/g,opts.limit);limitText=limitText.replace(/\%s/g,(opts.limit<=1?'':'s'));return limitText;};$.fn.inputlimiter.defaults={limit:255,boxAttach:true,boxId:'limiterBox',boxClass:'limiterBox',remText:'%n character%s remaining.',remTextFilter:$.fn.inputlimiter.remtextfilter,remTextHideOnBlur:true,remFullText:null,limitTextShow:true,limitText:'Field limited to %n character%s.',limitTextFilter:$.fn.inputlimiter.limittextfilter,zeroPlural:true,allowExceed:false,useMaxlength:true,limitBy:'characters',lineReturnCount:1};})(jQuery); | |
