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mirror of https://github.com/devbridge/jQuery-Autocomplete.git synced 2024-11-25 14:17:45 +00:00
jQuery-Autocomplete/dist/jquery.autocomplete.min.js
2014-08-24 18:25:55 -05:00

31 lines
12 KiB
JavaScript

/**
* Ajax Autocomplete for jQuery, version 1.2.11
* (c) 2014 Tomas Kirda
*
* Ajax Autocomplete for jQuery is freely distributable under the terms of an MIT-style license.
* For details, see the web site: https://github.com/devbridge/jQuery-Autocomplete
*
*/
(function(d){"function"===typeof define&&define.amd?define(["jquery"],d):d(jQuery)})(function(d){function k(a,b){var c=function(){},c={autoSelectFirst:!1,appendTo:document.body,serviceUrl:null,lookup:null,onSelect:null,width:"auto",minChars:1,maxHeight:300,deferRequestBy:0,params:{},formatResult:k.formatResult,delimiter:null,zIndex:9999,type:"GET",noCache:!1,onSearchStart:c,onSearchComplete:c,onSearchError:c,containerClass:"autocomplete-suggestions",tabDisabled:!1,dataType:"text",currentRequest:null,
triggerSelectOnValidInput:!0,preventBadQueries:!0,lookupFilter:function(a,b,c){return-1!==a.value.toLowerCase().indexOf(c)},paramName:"query",transformResult:function(a){return"string"===typeof a?d.parseJSON(a):a},showNoSuggestionNotice:!1,noSuggestionNotice:"No results",orientation:"bottom",forceFixPosition:!1};this.element=a;this.el=d(a);this.suggestions=[];this.badQueries=[];this.selectedIndex=-1;this.currentValue=this.element.value;this.intervalId=0;this.cachedResponse={};this.onChange=this.onChangeInterval=
null;this.isLocal=!1;this.noSuggestionsContainer=this.suggestionsContainer=null;this.options=d.extend({},c,b);this.classes={selected:"autocomplete-selected",suggestion:"autocomplete-suggestion"};this.hint=null;this.hintValue="";this.selection=null;this.initialize();this.setOptions(b)}var n=function(){return{escapeRegExChars:function(a){return a.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,"\\$&")},createNode:function(a){var b=document.createElement("div");b.className=a;b.style.position="absolute";
b.style.display="none";return b}}}();k.utils=n;d.Autocomplete=k;k.formatResult=function(a,b){var c="("+n.escapeRegExChars(b)+")";return a.value.replace(new RegExp(c,"gi"),"<strong>$1</strong>")};k.prototype={killerFn:null,initialize:function(){var a=this,b="."+a.classes.suggestion,c=a.classes.selected,e=a.options,f;a.element.setAttribute("autocomplete","off");a.killerFn=function(b){0===d(b.target).closest("."+a.options.containerClass).length&&(a.killSuggestions(),a.disableKillerFn())};a.noSuggestionsContainer=
d('<div class="autocomplete-no-suggestion"></div>').html(this.options.noSuggestionNotice).get(0);a.suggestionsContainer=k.utils.createNode(e.containerClass);f=d(a.suggestionsContainer);f.appendTo(e.appendTo);"auto"!==e.width&&f.width(e.width);f.on("mouseover.autocomplete",b,function(){a.activate(d(this).data("index"))});f.on("mouseout.autocomplete",function(){a.selectedIndex=-1;f.children("."+c).removeClass(c)});f.on("click.autocomplete",b,function(){a.select(d(this).data("index"))});a.fixPositionCapture=
function(){a.visible&&a.fixPosition()};d(window).on("resize.autocomplete",a.fixPositionCapture);a.el.on("keydown.autocomplete",function(b){a.onKeyPress(b)});a.el.on("keyup.autocomplete",function(b){a.onKeyUp(b)});a.el.on("blur.autocomplete",function(){a.onBlur()});a.el.on("focus.autocomplete",function(){a.onFocus()});a.el.on("change.autocomplete",function(b){a.onKeyUp(b)})},onFocus:function(){this.fixPosition();if(this.options.minChars<=this.el.val().length)this.onValueChange()},onBlur:function(){this.enableKillerFn()},
setOptions:function(a){var b=this.options;d.extend(b,a);if(this.isLocal=d.isArray(b.lookup))b.lookup=this.verifySuggestionsFormat(b.lookup);b.orientation=this.validateOrientation(b.orientation,"bottom");d(this.suggestionsContainer).css({"max-height":b.maxHeight+"px",width:b.width+"px","z-index":b.zIndex})},clearCache:function(){this.cachedResponse={};this.badQueries=[]},clear:function(){this.clearCache();this.currentValue="";this.suggestions=[]},disable:function(){this.disabled=!0;this.currentRequest&&
this.currentRequest.abort()},enable:function(){this.disabled=!1},fixPosition:function(){var a=d(this.suggestionsContainer),b=a.parent().get(0);if(b===document.body||this.options.forceFixPosition){var c=this.options.orientation,e=a.outerHeight(),f=this.el.outerHeight(),h=this.el.offset(),g={top:h.top,left:h.left};if("auto"==c)var c=d(window).height(),p=d(window).scrollTop(),l=-p+h.top-e,c=Math.max(l,p+c-(h.top+f+e))===l?"top":"bottom";g.top="top"===c?g.top+-e:g.top+f;b!==document.body&&(b=a.css("opacity"),
this.visible||a.css("opacity",0).show(),e=a.offsetParent().offset(),g.top-=e.top,g.left-=e.left,this.visible||a.css("opacity",b).hide());"auto"===this.options.width&&(g.width=this.el.outerWidth()-2+"px");a.css(g)}},enableKillerFn:function(){d(document).on("click.autocomplete",this.killerFn)},disableKillerFn:function(){d(document).off("click.autocomplete",this.killerFn)},killSuggestions:function(){var a=this;a.stopKillSuggestions();a.intervalId=window.setInterval(function(){a.hide();a.stopKillSuggestions()},
50)},stopKillSuggestions:function(){window.clearInterval(this.intervalId)},isCursorAtEnd:function(){var a=this.el.val().length,b=this.element.selectionStart;return"number"===typeof b?b===a:document.selection?(b=document.selection.createRange(),b.moveStart("character",-a),a===b.text.length):!0},onKeyPress:function(a){if(!this.disabled&&!this.visible&&40===a.which&&this.currentValue)this.suggest();else if(!this.disabled&&this.visible){switch(a.which){case 27:this.el.val(this.currentValue);this.hide();
break;case 39:if(this.hint&&this.options.onHint&&this.isCursorAtEnd()){this.selectHint();break}return;case 9:if(this.hint&&this.options.onHint){this.selectHint();return}case 13:if(-1===this.selectedIndex){this.hide();return}this.select(this.selectedIndex);if(9===a.which&&!1===this.options.tabDisabled)return;break;case 38:this.moveUp();break;case 40:this.moveDown();break;default:return}a.stopImmediatePropagation();a.preventDefault()}},onKeyUp:function(a){var b=this;if(!b.disabled){switch(a.which){case 38:case 40:return}clearInterval(b.onChangeInterval);
if(b.currentValue!==b.el.val())if(b.findBestHint(),0<b.options.deferRequestBy)b.onChangeInterval=setInterval(function(){b.onValueChange()},b.options.deferRequestBy);else b.onValueChange()}},onValueChange:function(){var a=this.options,b=this.el.val(),c=this.getQuery(b);this.selection&&(this.selection=null,(a.onInvalidateSelection||d.noop).call(this.element));clearInterval(this.onChangeInterval);this.currentValue=b;this.selectedIndex=-1;if(a.triggerSelectOnValidInput&&(b=this.findSuggestionIndex(c),
-1!==b)){this.select(b);return}c.length<a.minChars?this.hide():this.getSuggestions(c)},findSuggestionIndex:function(a){var b=-1,c=a.toLowerCase();d.each(this.suggestions,function(a,d){if(d.value.toLowerCase()===c)return b=a,!1});return b},getQuery:function(a){var b=this.options.delimiter;if(!b)return a;a=a.split(b);return d.trim(a[a.length-1])},getSuggestionsLocal:function(a){var b=this.options,c=a.toLowerCase(),e=b.lookupFilter,f=parseInt(b.lookupLimit,10),b={suggestions:d.grep(b.lookup,function(b){return e(b,
a,c)})};f&&b.suggestions.length>f&&(b.suggestions=b.suggestions.slice(0,f));return b},getSuggestions:function(a){var b,c=this,e=c.options,f=e.serviceUrl,h,g;e.params[e.paramName]=a;h=e.ignoreParams?null:e.params;c.isLocal?b=c.getSuggestionsLocal(a):(d.isFunction(f)&&(f=f.call(c.element,a)),g=f+"?"+d.param(h||{}),b=c.cachedResponse[g]);b&&d.isArray(b.suggestions)?(c.suggestions=b.suggestions,c.suggest()):c.isBadQuery(a)||!1===e.onSearchStart.call(c.element,e.params)||(c.currentRequest&&c.currentRequest.abort(),
c.currentRequest=d.ajax({url:f,data:h,type:e.type,dataType:e.dataType}).done(function(b){c.currentRequest=null;b=e.transformResult(b);c.processResponse(b,a,g);e.onSearchComplete.call(c.element,a,b.suggestions)}).fail(function(b,d,f){e.onSearchError.call(c.element,a,b,d,f)}))},isBadQuery:function(a){if(!this.options.preventBadQueries)return!1;for(var b=this.badQueries,c=b.length;c--;)if(0===a.indexOf(b[c]))return!0;return!1},hide:function(){this.visible=!1;this.selectedIndex=-1;d(this.suggestionsContainer).hide();
this.signalHint(null)},suggest:function(){if(0===this.suggestions.length)this.options.showNoSuggestionNotice?this.noSuggestions():this.hide();else{var a=this.options,b=a.formatResult,c=this.getQuery(this.currentValue),e=this.classes.suggestion,f=this.classes.selected,h=d(this.suggestionsContainer),g=d(this.noSuggestionsContainer),k=a.beforeRender,l="",m;if(a.triggerSelectOnValidInput&&(m=this.findSuggestionIndex(c),-1!==m)){this.select(m);return}d.each(this.suggestions,function(a,d){l+='<div class="'+
e+'" data-index="'+a+'">'+b(d,c)+"</div>"});this.adjustContainerWidth();g.detach();h.html(l);a.autoSelectFirst&&(this.selectedIndex=0,h.children().first().addClass(f));d.isFunction(k)&&k.call(this.element,h);this.fixPosition();h.show();this.visible=!0;this.findBestHint()}},noSuggestions:function(){var a=d(this.suggestionsContainer),b=d(this.noSuggestionsContainer);this.adjustContainerWidth();b.detach();a.empty();a.append(b);this.fixPosition();a.show();this.visible=!0},adjustContainerWidth:function(){var a=
this.options,b=d(this.suggestionsContainer);"auto"===a.width&&(a=this.el.outerWidth()-2,b.width(0<a?a:300))},findBestHint:function(){var a=this.el.val().toLowerCase(),b=null;a&&(d.each(this.suggestions,function(c,d){var f=0===d.value.toLowerCase().indexOf(a);f&&(b=d);return!f}),this.signalHint(b))},signalHint:function(a){var b="";a&&(b=this.currentValue+a.value.substr(this.currentValue.length));this.hintValue!==b&&(this.hintValue=b,this.hint=a,(this.options.onHint||d.noop)(b))},verifySuggestionsFormat:function(a){return a.length&&
"string"===typeof a[0]?d.map(a,function(a){return{value:a,data:null}}):a},validateOrientation:function(a,b){a=d.trim(a||"").toLowerCase();-1===d.inArray(a,["auto","bottom","top"])&&(a=b);return a},processResponse:function(a,b,c){var d=this.options;a.suggestions=this.verifySuggestionsFormat(a.suggestions);d.noCache||(this.cachedResponse[c]=a,d.preventBadQueries&&0===a.suggestions.length&&this.badQueries.push(b));b===this.getQuery(this.currentValue)&&(this.suggestions=a.suggestions,this.suggest())},
activate:function(a){var b=this.classes.selected,c=d(this.suggestionsContainer),e=c.children();c.children("."+b).removeClass(b);this.selectedIndex=a;return-1!==this.selectedIndex&&e.length>this.selectedIndex?(a=e.get(this.selectedIndex),d(a).addClass(b),a):null},selectHint:function(){var a=d.inArray(this.hint,this.suggestions);this.select(a)},select:function(a){this.hide();this.onSelect(a)},moveUp:function(){-1!==this.selectedIndex&&(0===this.selectedIndex?(d(this.suggestionsContainer).children().first().removeClass(this.classes.selected),
this.selectedIndex=-1,this.el.val(this.currentValue),this.findBestHint()):this.adjustScroll(this.selectedIndex-1))},moveDown:function(){this.selectedIndex!==this.suggestions.length-1&&this.adjustScroll(this.selectedIndex+1)},adjustScroll:function(a){var b=this.activate(a),c,e;b&&(b=b.offsetTop,c=d(this.suggestionsContainer).scrollTop(),e=c+this.options.maxHeight-25,b<c?d(this.suggestionsContainer).scrollTop(b):b>e&&d(this.suggestionsContainer).scrollTop(b-this.options.maxHeight+25),this.el.val(this.getValue(this.suggestions[a].value)),
this.signalHint(null))},onSelect:function(a){var b=this.options.onSelect;a=this.suggestions[a];this.currentValue=this.getValue(a.value);this.currentValue!==this.el.val()&&this.el.val(this.currentValue);this.signalHint(null);this.suggestions=[];this.selection=a;d.isFunction(b)&&b.call(this.element,a)},getValue:function(a){var b=this.options.delimiter,c;if(!b)return a;c=this.currentValue;b=c.split(b);return 1===b.length?a:c.substr(0,c.length-b[b.length-1].length)+a},dispose:function(){this.el.off(".autocomplete").removeData("autocomplete");
this.disableKillerFn();d(window).off("resize.autocomplete",this.fixPositionCapture);d(this.suggestionsContainer).remove()}};d.fn.autocomplete=function(a,b){return 0===arguments.length?this.first().data("autocomplete"):this.each(function(){var c=d(this),e=c.data("autocomplete");if("string"===typeof a){if(e&&"function"===typeof e[a])e[a](b)}else e&&e.dispose&&e.dispose(),e=new k(this,a),c.data("autocomplete",e)})}});