10 lines
4.9 KiB
JavaScript
10 lines
4.9 KiB
JavaScript
/* ==========================================================
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*
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* bootstrap-maxlength.js v 1.6.0
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* Copyright 2015 Maurizio Napoleoni @mimonap
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* Licensed under MIT License
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* URL: https://github.com/mimo84/bootstrap-maxlength/blob/master/LICENSE
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*
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* ========================================================== */
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!function(a){"use strict";a.event.special.destroyed||(a.event.special.destroyed={remove:function(a){a.handler&&a.handler()}}),a.fn.extend({maxlength:function(b,c){function d(a){var c=a.val();c=b.twoCharLinebreak?c.replace(/\r(?!\n)|\n(?!\r)/g,"\r\n"):c.replace(new RegExp("\r?\n","g"),"\n");var d=0;return d=b.utf8?f(c):c.length}function e(a,c){var d=a.val(),e=0;b.twoCharLinebreak&&(d=d.replace(/\r(?!\n)|\n(?!\r)/g,"\r\n"),"\n"===d.substr(d.length-1)&&d.length%2===1&&(e=1)),a.val(d.substr(0,c-e))}function f(a){for(var b=0,c=0;c<a.length;c++){var d=a.charCodeAt(c);128>d?b++:b+=d>127&&2048>d?2:3}return b}function g(a,c,e){var f=!0;return!b.alwaysShow&&e-d(a)>c&&(f=!1),f}function h(a,b){var c=b-d(a);return c}function i(a,b){b.css({display:"block"}),a.trigger("maxlength.shown")}function j(a,b){b.css({display:"none"}),a.trigger("maxlength.hidden")}function k(a,c,d){var e="";return b.message?e="function"==typeof b.message?b.message(a,c):b.message.replace("%charsTyped%",d).replace("%charsRemaining%",c-d).replace("%charsTotal%",c):(b.preText&&(e+=b.preText),e+=b.showCharsTyped?d:c-d,b.showMaxLength&&(e+=b.separator+c),b.postText&&(e+=b.postText)),e}function l(a,c,d,e){e&&(e.html(k(c.val(),d,d-a)),a>0?g(c,b.threshold,d)?i(c,e.removeClass(b.limitReachedClass).addClass(b.warningClass)):j(c,e):i(c,e.removeClass(b.warningClass).addClass(b.limitReachedClass))),b.allowOverMax&&(0>a?c.addClass("overmax"):c.removeClass("overmax"))}function m(b){var c=b[0];return a.extend({},"function"==typeof c.getBoundingClientRect?c.getBoundingClientRect():{width:c.offsetWidth,height:c.offsetHeight},b.offset())}function n(c,d){var e=m(c);if("function"===a.type(b.placement))return void b.placement(c,d,e);if(a.isPlainObject(b.placement))return void o(b.placement,d);var f=c.outerWidth(),g=d.outerWidth(),h=d.width(),i=d.height();switch(b.appendToParent&&(e.top-=c.parent().offset().top,e.left-=c.parent().offset().left),b.placement){case"bottom":d.css({top:e.top+e.height,left:e.left+e.width/2-h/2});break;case"top":d.css({top:e.top-i,left:e.left+e.width/2-h/2});break;case"left":d.css({top:e.top+e.height/2-i/2,left:e.left-h});break;case"right":d.css({top:e.top+e.height/2-i/2,left:e.left+e.width});break;case"bottom-right":d.css({top:e.top+e.height,left:e.left+e.width});break;case"top-right":d.css({top:e.top-i,left:e.left+f});break;case"top-left":d.css({top:e.top-i,left:e.left-g});break;case"bottom-left":d.css({top:e.top+c.outerHeight(),left:e.left-g});break;case"centered-right":d.css({top:e.top+i/2,left:e.left+f-g-3});break;case"bottom-right-inside":d.css({top:e.top+e.height,left:e.left+e.width-g});break;case"top-right-inside":d.css({top:e.top-i,left:e.left+f-g});break;case"top-left-inside":d.css({top:e.top-i,left:e.left});break;case"bottom-left-inside":d.css({top:e.top+c.outerHeight(),left:e.left})}}function o(c,d){if(c&&d){var e=["top","bottom","left","right","position"],f={};a.each(e,function(a,c){var d=b.placement[c];"undefined"!=typeof d&&(f[c]=d)}),d.css(f)}}function p(a){var c="maxlength";return b.allowOverMax&&(c="data-bs-mxl"),a.attr(c)||a.attr("size")}var q=a("body"),r={showOnReady:!1,alwaysShow:!1,threshold:10,warningClass:"label label-success",limitReachedClass:"label label-important label-danger",separator:" / ",preText:"",postText:"",showMaxLength:!0,placement:"bottom",message:null,showCharsTyped:!0,validate:!1,utf8:!1,appendToParent:!1,twoCharLinebreak:!0,allowOverMax:!1};return a.isFunction(b)&&!c&&(c=b,b={}),b=a.extend(r,b),this.each(function(){function c(){var c=k(g.val(),d,"0");d=p(g),f||(f=a('<span class="bootstrap-maxlength"></span>').css({display:"none",position:"absolute",whiteSpace:"nowrap",zIndex:1099}).html(c)),g.is("textarea")&&(g.data("maxlenghtsizex",g.outerWidth()),g.data("maxlenghtsizey",g.outerHeight()),g.mouseup(function(){(g.outerWidth()!==g.data("maxlenghtsizex")||g.outerHeight()!==g.data("maxlenghtsizey"))&&n(g,f),g.data("maxlenghtsizex",g.outerWidth()),g.data("maxlenghtsizey",g.outerHeight())})),b.appendToParent?(g.parent().append(f),g.parent().css("position","relative")):q.append(f);var e=h(g,p(g));l(e,g,d,f),n(g,f)}var d,f,g=a(this);a(window).resize(function(){f&&n(g,f)}),b.allowOverMax&&(a(this).attr("data-bs-mxl",a(this).attr("maxlength")),a(this).removeAttr("maxlength")),b.showOnReady?g.ready(function(){c()}):g.focus(function(){c()}),g.on("maxlength.reposition",function(){n(g,f)}),g.on("destroyed",function(){f&&f.remove()}),g.on("blur",function(){f&&!b.showOnReady&&f.remove()}),g.on("input",function(){var a=p(g),c=h(g,a),i=!0;return b.validate&&0>c?(e(g,a),i=!1):l(c,g,d,f),("bottom-right-inside"===b.placement||"top-right-inside"===b.placement)&&n(g,f),i})})}})}(jQuery); |