mirror of https://github.com/perkeep/perkeep.git
59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
/*
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Copyright 2017 The Perkeep Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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function enableAutoComplete(allTagsFrequency, inputFieldSelector) {
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var split = function(val) {
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return val.split(/,\s*/);
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};
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// Enable autocomplete on form element
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var inputField = $(inputFieldSelector);
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if (inputField.val() != "") {
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inputField.val(inputField.val() + ", ");
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}
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inputField
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// don't navigate away from the field on tab when selecting an item
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.on("keydown", function(event) {
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if (event.keyCode === $.ui.keyCode.TAB &&
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$(this).autocomplete("instance").menu.active ) {
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event.preventDefault();
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}
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})
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.autocomplete({
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minLength: 0,
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source: function(request, response) {
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// delegate back to autocomplete, but extract the last term
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response($.ui.autocomplete.filter(Object.keys(allTagsFrequency),
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split(request.term).pop()));
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},
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focus: function() {
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// prevent value inserted on focus
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return false;
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},
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select: function(event, ui) {
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var terms = split(this.value);
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// remove the current input
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terms.pop();
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// add the selected item
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terms.push(ui.item.value);
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// add placeholder to get the comma-and-space at the end
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terms.push("");
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this.value = terms.join(", ");
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return false;
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}
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});
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}
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