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6 lines
2.2 KiB
JavaScript
6 lines
2.2 KiB
JavaScript
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/*!
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* tabcomplete
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* http://github.com/erming/tabcomplete
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* v1.4.1
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*/
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!function(a){function b(b,c,d){return a.grep(c,function(a){return d?!a.indexOf(b):!a.toLowerCase().indexOf(b.toLowerCase())})}function c(b){var c=this,d=c.prev(".hint");c.css({backgroundColor:"transparent",position:"relative"}),d.length||(c.options.wrapInput&&c.wrap(a("<div>").css({position:"relative",height:c.css("height"),display:c.css("display")})),d=c.clone().attr("tabindex",-1).removeAttr("id name placeholder").addClass("hint").insertBefore(c),d.css({position:"absolute"}));var e="";if("undefined"!=typeof b){var f=c.val();e=f+b.substr(f.split(/ |\n/).pop().length)}d.val(e)}function d(a){var b=this,c=b.val();a&&(b.val(c+a.substr(c.split(/ |\n/).pop().length)),b[0].selectionStart=c.length)}var e={backspace:8,tab:9,up:38,down:40};a.tabcomplete={},a.tabcomplete.defaultOptions={after:"",arrowKeys:!1,hint:"placeholder",match:b,caseSensitive:!1,minLength:1,wrapInput:!0},a.fn.tab=a.fn.tabcomplete=function(b,f){if(this.length>1)return this.each(function(){a(this).tabcomplete(b,f)});var g=this.prop("tagName");if("INPUT"==g||"TEXTAREA"==g){this.options=f=a.extend(a.tabcomplete.defaultOptions,f),this.unbind(".tabcomplete"),this.prev(".hint").remove();var h=this,i=!1,j=-1,k=[],l="",m=a.noop;switch(f.hint){case"placeholder":m=c;break;case"select":m=d}return this.on("input.tabcomplete",function(){var c=h.val(),d=c.split(/ |\n/).pop();j=-1,l="",k=[],h[0].selectionStart==c.length&&d.length&&(k=f.match(d,b,f.caseSensitive),f.after&&(k=a.map(k,function(a){return a+f.after}))),h.trigger("match",k.length),f.hint&&(("select"!=f.hint||!i)&&d.length>=f.minLength?m.call(h,k[0]):m.call(h,"")),i&&(i=!1)}),this.on("keydown.tabcomplete",function(a){var b=a.which;if(b==e.tab||f.arrowKeys&&(b==e.up||b==e.down)){if(a.preventDefault(),b!=e.up)j++;else{if(-1==j)return;0==j?j=k.length-1:j--}var c=k[j%k.length];if(!c)return;var d=h.val();if(l=l||d.split(/ |\n/).pop(),l.length<f.minLength)return;var g="select"==f.hint?d:d.substr(0,h[0].selectionStart-l.length)+c;h.val(g),"select"==f.hint&&(h[0].selectionStart=g.length),l=c,h.trigger("tabcomplete",l),f.hint&&m.call(h,"")}else a.which==e.backspace&&(i=!0,j=-1,l="")}),f.hint&&m.call(this,""),this}}}(jQuery);
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