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/* OPAC JS file OPACAutocompleteElasticSearch */ |
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/* prefix for search ES */ |
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var es_prefix = { |
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'au': 'author', |
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'pb': 'publisher', |
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'se': 'title-series', |
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'su': 'subject', |
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'ti': 'title-cover', |
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/* for all */ |
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'': ['title-cover', 'author', 'subject', 'title-series', 'publisher'], |
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'kw': ['title-cover', 'author', 'subject', 'title-series', 'publisher'] |
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}; |
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|
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/* stop class for elements name=["q"] */ |
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var stop_class_input = ["form-field-value"]; |
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|
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var url_request = '/cgi-bin/koha/api/elasticsearch/elasticsearch.pl?q='; |
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/* query for elasticsearch encode*/ |
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var query_url_encode = { |
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'\'':'%5C%27', /* \\' for decode */ |
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'+': '' |
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}; |
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/* query for elasticsearch decode*/ |
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var query_url_decode = { |
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'\'':"\\'", |
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'+': '' |
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}; |
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/* count of lines for autocomplete */ |
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var nb_autocomplete = 10; |
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/* key API */ |
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var key = 'autocomplete'; |
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|
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function AutocompleteInitIntranet(){ |
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/* vars for class position absolute autocomplete */ |
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var left = "0px"; |
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var right = "0px"; |
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var top = ""; |
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/* get all input name q for search */ |
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var input_q = document.getElementsByName("q"); |
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for (var nb = 0; nb < input_q.length; nb++){ |
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/* addEventListener for every 'input' */ |
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if (!stop_class_input.includes(input_q[nb].className)){ |
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autocomplete(input_q[nb], nb, left, right, top); |
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} |
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}; |
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}; |
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|
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function autocomplete(inp, nb, left, right) { |
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var select_idx = document.getElementsByName("idx"); |
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/* autocomplete off for input */ |
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inp.setAttribute("autocomplete", "off"); |
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/* get parent of input */ |
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var parent_inp = $(inp).parent(); |
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/* get element after input */ |
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var next_elem_inp = inp.nextElementSibling; |
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/* create new div with position relative for class .autocomplete with absolute */ |
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var div_relative = document.createElement('div'); |
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$(div_relative).addClass( "autocomplete" ); |
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div_relative.append(inp); |
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/* input doesn't have an elem after, add it to parent */ |
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if (next_elem_inp === null){ |
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parent_inp.append( div_relative ); |
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} else { // input has an elem after, add elem after it |
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next_elem_inp.before(div_relative); |
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}; |
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var currentFocus; |
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|
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var timer; |
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var doneTimerInterval = 500; |
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|
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/*execute a function when someone writes in the text field:*/ |
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var token_counter = 0; |
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inp.addEventListener("input", function(e) { |
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clearTimeout(timer); |
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timer = setTimeout( function() { |
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var a, val = inp.value; |
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/* var for async compare */ |
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var tmp_input = inp.value.replace(/[+']/g, function(matched){ |
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return query_url_decode[matched]; |
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}); |
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token_counter++; |
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currentFocus = -1; |
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if (document.getElementsByClassName("autocomplete-items").length !== 0){ |
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a = document.getElementsByClassName("autocomplete-items")[0]; |
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} else { |
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/*create a DIV element that will contain the items (values):*/ |
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a = document.createElement("DIV"); |
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a.setAttribute("id", inp.id + "autocomplete-list"); |
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a.setAttribute("class", "autocomplete-items"); |
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/*append the DIV element as a child of the autocomplete container:*/ |
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inp.parentNode.appendChild(a); |
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/*append position absolute left/right:*/ |
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$(".autocomplete-items").css("left",left); |
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$(".autocomplete-items").css("right",right); |
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}; |
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/* get es_prefix key for builder */ |
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var chose_prefix = (select_idx == null || select_idx.length == 0) ? '' : GetValueIdx(select_idx, nb); |
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chose_prefix = chose_prefix.replace(/([^,])[,-]([^,].*)?$/, '$1'); |
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if (chose_prefix !== null){ |
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var prefix = es_prefix[chose_prefix].toString(); |
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val = val.replace(/[+']/g, function(matched){ |
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return query_url_encode[matched]; |
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}); |
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if (tmp_input == '' || tmp_input == null){ |
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closeAllLists(); |
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token_counter = 0; |
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} else { |
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$.ajax({ |
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type: 'GET', |
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url: url_request + val + '&key=' + key + '&prefix=' + prefix + '&token_counter=' + token_counter, |
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contentType: "application/json;charset=UTF-8", |
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success: function (data) { |
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//console.log(data); |
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if (data.length !== 0){ |
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var myset; //Set for Autocomplete unique |
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|
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myset = GetSetAutocomplete(data, prefix, key); |
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/* append set to autocomplete */ |
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if ( tmp_input + prefix == data['val'] + data['prefix'] && token_counter === parseInt(data['token_counter'], 10)){ |
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a.innerHTML = ""; |
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for (let item of myset){ |
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a.appendChild(CreateDivItemAutocomplete(item, val)); |
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}; |
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}; |
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} else { |
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closeAllLists(inp); |
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}; |
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}, |
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error: function (data) { |
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console.log(data); |
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}, |
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}); |
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} |
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|
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}; |
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}, doneTimerInterval); |
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}); |
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/* get value for tag with name idx */ |
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function GetValueIdx(elem, nb){ |
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switch (elem[0].tagName){ |
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case 'INPUT': |
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return elem[0].value; |
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case 'SELECT': |
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return select_idx[nb].options[select_idx[nb].selectedIndex].value; |
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default: |
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return null; |
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}; |
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}; |
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/* get autocomplete for all prefix */ |
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function GetSetAutocomplete(data, prefix, key){ |
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let myset = new Set(); |
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var pref = prefix.split(","); |
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for (k = 0; k < Object.keys(data).length; k++){ //Object.keys(data).length |
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if (data[k] != '' && data[k] != null){ |
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let tmp_data = data[k]['hits']['hits']; |
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for (i = 0; i < tmp_data.length; i++) { |
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for (j = 0; j < tmp_data[i]['highlight'][pref[k] + '.' + key].length; j++){ |
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/* div with data for autocomplete */ |
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let tmp = tmp_data[i]['highlight'][pref[k] + '.' + key][j] |
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myset.add(tmp.replace(/[ &#,+()$~%.'":*?<{}!/;]+$/g, '')); |
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if (myset.size >= nb_autocomplete) break; |
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}; |
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if (myset.size >= nb_autocomplete) break; |
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}; |
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if (myset.size >= nb_autocomplete) break; |
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} |
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} |
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return myset; |
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}; |
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|
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/*execute a function presses a key on the keyboard:*/ |
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inp.addEventListener("keydown", function(e) { |
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var x = document.getElementById(this.id + "autocomplete-list"); |
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if (x) x = x.getElementsByTagName("div"); |
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if (e.keyCode == 40) { //DOWN |
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/*If the arrow DOWN key is pressed, |
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increase the currentFocus variable:*/ |
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currentFocus++; |
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/*and and make the current item more visible:*/ |
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addActive(x); |
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} else if (e.keyCode == 38) { //up |
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/*If the arrow UP key is pressed, |
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decrease the currentFocus variable:*/ |
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currentFocus--; |
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/*and and make the current item more visible:*/ |
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addActive(x); |
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e.preventDefault(); |
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} else if (e.keyCode == 13) { |
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/*If the ENTER key is pressed, prevent the form from being submitted,*/ |
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//e.preventDefault(); |
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if (currentFocus > -1) { |
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/*and simulate a click on the "active" item:*/ |
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if (x) x[currentFocus].click(); |
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} |
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} |
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/* press Esc clear all autocomplete */ |
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else if (e.keyCode == 27) { |
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closeAllLists(); |
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} |
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/* press Esc clear all autocomplete */ |
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else if (e.keyCode == 8) { |
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closeAllLists(); |
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} |
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/* press Tab clear all autocomplete */ |
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else if (e.keyCode == 9) { |
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closeAllLists(); |
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}; |
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}); |
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function addActive(x) { |
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/*a function to classify an item as "active":*/ |
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if (!x) return false; |
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/*start by removing the "active" class on all items:*/ |
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removeActive(x); |
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if (currentFocus >= x.length) currentFocus = 0; |
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if (currentFocus < 0) currentFocus = (x.length - 1); |
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/*add class "autocomplete-active":*/ |
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x[currentFocus].classList.add("autocomplete-active"); |
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inp.value = (x[currentFocus].textContent.replace(/<\/?[^>]+(>|$)/g, "")).trim(); |
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}; |
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function removeActive(x) { |
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/*a function to remove the "active" class from all autocomplete items:*/ |
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for (var i = 0; i < x.length; i++) { |
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x[i].classList.remove("autocomplete-active"); |
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}; |
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}; |
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|
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function closeAllLists(elem) { |
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/*close all autocomplete lists in the document with class autocomplete-items */ |
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var x = document.getElementsByClassName("autocomplete-items"); |
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for (var i = 0; i < x.length; i++) { |
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x[i].parentNode.removeChild(x[i]) |
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}; |
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}; |
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|
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/* div for one item autocomplete */ |
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function CreateDivItemAutocomplete (elem){ |
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var b = document.createElement("DIV"); |
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// add element "; |
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b.innerHTML += elem; |
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/*insert a input field that will hold the current array item's value:*/ |
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b.innerHTML += "<input type='hidden' value=''>"; |
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/*execute a function when someone clicks on the item value (DIV element):*/ |
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b.addEventListener("click", function(e) { |
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/* insert the value for the autocomplete text field: */ |
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inp.value = this.getElementsByTagName("input")[0].value; |
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/* normalyzer hightlight without tags */ |
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//inp.value = (inp.value.replace(/<\/?[^>]+(>|$)/g, "")).trim(); |
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inp.value = this.innerText; |
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|
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var autocommit = 1; |
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const inputs = document.querySelectorAll("#advanced-search input[type='text']"); |
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for (var i = 0; i < inputs.length && autocommit; i++) { |
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var input = inputs[i]; |
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if (input === inp) { |
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autocommit = 0; |
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} |
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} |
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//Submit form click mouse in div if not in advanced search |
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if (autocommit) this.closest("form").submit(); |
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}); |
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return b; |
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}; |
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|
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/*execute a function when someone clicks in the document:*/ |
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document.addEventListener("click", function (e) { |
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closeAllLists(e.target); |
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}); |
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}; |
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|
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AutocompleteInitIntranet(); |