1821 lines
64 KiB
JavaScript
Executable File
1821 lines
64 KiB
JavaScript
Executable File
/*
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Copyright 2012 Igor Vaynberg
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Version: @@ver@@ Timestamp: @@timestamp@@
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in
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compliance with the License. You may obtain a copy of the License in the LICENSE file, or 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 distributed under the License is
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distributed on an "AS IS" BASIS, 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 limitations under the License.
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*/
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(function ($) {
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if(typeof $.fn.each2 == "undefined"){
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$.fn.extend({
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/*
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* 4-10 times faster .each replacement
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* use it carefully, as it overrides jQuery context of element on each iteration
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*/
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each2 : function (c) {
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var j = $([0]), i = -1, l = this.length;
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while (
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++i < l
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&& (j.context = j[0] = this[i])
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&& c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
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);
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return this;
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}
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});
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}
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})(jQuery);
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(function ($, undefined) {
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"use strict";
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/*global document, window, jQuery, console */
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if (window.Select2 !== undefined) {
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return;
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}
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var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer;
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KEY = {
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TAB: 9,
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ENTER: 13,
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ESC: 27,
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SPACE: 32,
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LEFT: 37,
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UP: 38,
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RIGHT: 39,
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DOWN: 40,
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SHIFT: 16,
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CTRL: 17,
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ALT: 18,
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PAGE_UP: 33,
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PAGE_DOWN: 34,
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HOME: 36,
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END: 35,
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BACKSPACE: 8,
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DELETE: 46,
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isArrow: function (k) {
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k = k.which ? k.which : k;
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switch (k) {
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case KEY.LEFT:
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case KEY.RIGHT:
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case KEY.UP:
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case KEY.DOWN:
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return true;
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}
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return false;
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},
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isControl: function (k) {
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k = k.which ? k.which : k;
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switch (k) {
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case KEY.SHIFT:
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case KEY.CTRL:
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case KEY.ALT:
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return true;
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}
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return false;
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},
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isFunctionKey: function (k) {
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k = k.which ? k.which : k;
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return k >= 112 && k <= 123;
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}
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};
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nextUid=(function() { var counter=1; return function() { return counter++; }; }());
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function indexOf(value, array) {
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var i = 0, l = array.length, v;
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if (typeof value === "undefined") {
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return -1;
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}
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if (value.constructor === String) {
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for (; i < l; i = i + 1) if (value.localeCompare(array[i]) === 0) return i;
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} else {
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for (; i < l; i = i + 1) {
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v = array[i];
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if (v.constructor === String) {
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if (v.localeCompare(value) === 0) return i;
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} else {
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if (v === value) return i;
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}
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}
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}
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return -1;
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}
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/**
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* Compares equality of a and b taking into account that a and b may be strings, in which case localeCompare is used
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* @param a
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* @param b
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*/
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function equal(a, b) {
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if (a === b) return true;
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if (a === undefined || b === undefined) return false;
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if (a === null || b === null) return false;
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if (a.constructor === String) return a.localeCompare(b) === 0;
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if (b.constructor === String) return b.localeCompare(a) === 0;
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return false;
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}
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/**
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* Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty
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* strings
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* @param string
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* @param separator
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*/
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function splitVal(string, separator) {
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var val, i, l;
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if (string === null || string.length < 1) return [];
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val = string.split(separator);
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for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]);
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return val;
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}
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function getSideBorderPadding(element) {
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return element.outerWidth() - element.width();
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}
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function installKeyUpChangeEvent(element) {
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element.bind("keydown", function () {
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element.data("keyup-change-value", element.val());
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});
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element.bind("keyup", function () {
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if (element.val() !== element.data("keyup-change-value")) {
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element.trigger("keyup-change");
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}
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});
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}
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$(document).delegate("*", "mousemove", function (e) {
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$(document).data("select2-lastpos", {x: e.pageX, y: e.pageY});
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});
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/**
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* filters mouse events so an event is fired only if the mouse moved.
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*
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* filters out mouse events that occur when mouse is stationary but
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* the elements under the pointer are scrolled.
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*/
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function installFilteredMouseMove(element) {
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element.bind("mousemove", function (e) {
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var lastpos = $(document).data("select2-lastpos");
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if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
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$(e.target).trigger("mousemove-filtered", e);
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}
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});
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}
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/**
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* Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
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* within the last quietMillis milliseconds.
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*
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* @param quietMillis number of milliseconds to wait before invoking fn
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* @param fn function to be debounced
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* @return debounced version of fn
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*/
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function debounce(quietMillis, fn) {
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var timeout;
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return function () {
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window.clearTimeout(timeout);
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timeout = window.setTimeout(fn, quietMillis);
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};
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}
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function installDebouncedScroll(threshold, element) {
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var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
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element.bind("scroll", function (e) {
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if (indexOf(e.target, element.get()) >= 0) notify(e);
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});
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}
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function killEvent(event) {
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event.preventDefault();
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event.stopPropagation();
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}
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function measureTextWidth(e) {
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if (!sizer){
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var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
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sizer = $("<div></div>").css({
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position: "absolute",
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left: "-1000px",
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top: "-1000px",
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display: "none",
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fontSize: style.fontSize,
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fontFamily: style.fontFamily,
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fontStyle: style.fontStyle,
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fontWeight: style.fontWeight,
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letterSpacing: style.letterSpacing,
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textTransform: style.textTransform,
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whiteSpace: "nowrap"
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});
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$("body").append(sizer);
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}
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sizer.text(e.val());
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return sizer.width();
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}
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function markMatch(text, term, markup) {
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var match=text.toUpperCase().indexOf(term.toUpperCase()),
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tl=term.length;
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if (match<0) {
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markup.push(text);
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return;
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}
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markup.push(text.substring(0, match));
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markup.push("<span class='select2-match'>");
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markup.push(text.substring(match, match + tl));
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markup.push("</span>");
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markup.push(text.substring(match + tl, text.length));
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}
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/**
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* Produces an ajax-based query function
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*
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* @param options object containing configuration paramters
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* @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
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* @param options.url url for the data
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* @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
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* @param options.dataType request data type: ajax, jsonp, other datatatypes supported by jQuery's $.ajax function or the transport function if specified
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* @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
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* @param options.results a function(remoteData, pageNumber) that converts data returned form the remote request to the format expected by Select2.
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* The expected format is an object containing the following keys:
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* results array of objects that will be used as choices
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* more (optional) boolean indicating whether there are more results available
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* Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
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*/
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function ajax(options) {
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var timeout, // current scheduled but not yet executed request
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requestSequence = 0, // sequence used to drop out-of-order responses
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handler = null,
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quietMillis = options.quietMillis || 100;
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return function (query) {
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window.clearTimeout(timeout);
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timeout = window.setTimeout(function () {
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requestSequence += 1; // increment the sequence
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var requestNumber = requestSequence, // this request's sequence number
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data = options.data, // ajax data function
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transport = options.transport || $.ajax,
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type = options.type || 'GET'; // set type of request (GET or POST)
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data = data.call(this, query.term, query.page, query.context);
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if( null !== handler) { handler.abort(); }
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handler = transport.call(null, {
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url: options.url,
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dataType: options.dataType,
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data: data,
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type: type,
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success: function (data) {
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if (requestNumber < requestSequence) {
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return;
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}
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// TODO 3.0 - replace query.page with query so users have access to term, page, etc.
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var results = options.results(data, query.page);
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query.callback(results);
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}
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});
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}, quietMillis);
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};
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}
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/**
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* Produces a query function that works with a local array
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*
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* @param options object containing configuration parameters. The options parameter can either be an array or an
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* object.
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*
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* If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
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*
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* If the object form is used ti is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
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* an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
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* key can either be a String in which case it is expected that each element in the 'data' array has a key with the
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* value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
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* the text.
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*/
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function local(options) {
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var data = options, // data elements
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dataText,
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text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
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if (!$.isArray(data)) {
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text = data.text;
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// if text is not a function we assume it to be a key name
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if (!$.isFunction(text)) {
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dataText = data.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available
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text = function (item) { return item[dataText]; };
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}
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data = data.results;
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}
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return function (query) {
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var t = query.term, filtered = {};
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if (t === "") {
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query.callback({results: data});
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return;
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}
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filtered.results = $(data)
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.filter(function () {return query.matcher(t, text(this));})
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.get();
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query.callback(filtered);
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};
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}
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// TODO javadoc
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function tags(data) {
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// TODO even for a function we should probably return a wrapper that does the same object/string check as
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// the function for arrays. otherwise only functions that return objects are supported.
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if ($.isFunction(data)) {
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return data;
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}
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// if not a function we assume it to be an array
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return function (query) {
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var t = query.term, filtered = {results: []};
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$(data).each(function () {
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var isObject = this.text !== undefined,
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text = isObject ? this.text : this;
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if (t === "" || query.matcher(t, text)) {
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filtered.results.push(isObject ? this : {id: this, text: this});
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}
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});
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query.callback(filtered);
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};
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}
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/**
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* blurs any Select2 container that has focus when an element outside them was clicked or received focus
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*/
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$(document).ready(function () {
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$(document).delegate("*", "mousedown focusin touchend", function (e) {
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var target = $(e.target).closest("div.select2-container").get(0);
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if (target) {
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$(document).find("div.select2-container-active").each(function () {
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if (this !== target) $(this).data("select2").blur();
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});
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} else {
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target = $(e.target).closest("div.select2-drop").get(0);
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$(document).find("div.select2-drop-active").each(function () {
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if (this !== target) $(this).data("select2").blur();
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});
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}
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});
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});
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function evaluate(val) {
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return $.isFunction(val) ? val() : val;
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}
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/**
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* Creates a new class
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*
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* @param superClass
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* @param methods
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*/
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function clazz(SuperClass, methods) {
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var constructor = function () {};
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constructor.prototype = new SuperClass;
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constructor.prototype.constructor = constructor;
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constructor.prototype.parent = SuperClass.prototype;
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constructor.prototype = $.extend(constructor.prototype, methods);
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return constructor;
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}
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AbstractSelect2 = clazz(Object, {
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// abstract
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bind: function (func) {
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var self = this;
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return function () {
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func.apply(self, arguments);
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};
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},
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// abstract
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init: function (opts) {
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var results, search, resultsSelector = ".select2-results";
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// prepare options
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this.opts = opts = this.prepareOpts(opts);
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this.id=opts.id;
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// destroy if called on an existing component
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if (opts.element.data("select2") !== undefined &&
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opts.element.data("select2") !== null) {
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this.destroy();
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}
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this.enabled=true;
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this.container = this.createContainer();
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this.body = opts.element.closest("body"); // cache for future access
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if (opts.element.attr("class") !== undefined) {
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this.container.addClass(opts.element.attr("class"));
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}
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this.container.css(evaluate(opts.containerCss));
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this.container.addClass(evaluate(opts.containerCssClass));
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// swap container for the element
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this.opts.element
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.data("select2", this)
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.hide()
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.after(this.container);
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this.container.data("select2", this);
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this.dropdown = this.container.find(".select2-drop");
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this.dropdown.css(evaluate(opts.dropdownCss));
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this.dropdown.addClass(evaluate(opts.dropdownCssClass));
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this.dropdown.data("select2", this);
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this.results = results = this.container.find(resultsSelector);
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this.search = search = this.container.find("input.select2-input");
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this.resultsPage = 0;
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this.context = null;
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// initialize the container
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this.initContainer();
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installFilteredMouseMove(this.results);
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this.dropdown.delegate(resultsSelector, "mousemove-filtered", this.bind(this.highlightUnderEvent));
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installDebouncedScroll(80, this.results);
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this.dropdown.delegate(resultsSelector, "scroll-debounced", this.bind(this.loadMoreIfNeeded));
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// if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
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if ($.fn.mousewheel) {
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results.mousewheel(function (e, delta, deltaX, deltaY) {
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var top = results.scrollTop(), height;
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if (deltaY > 0 && top - deltaY <= 0) {
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results.scrollTop(0);
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killEvent(e);
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} else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
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results.scrollTop(results.get(0).scrollHeight - results.height());
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killEvent(e);
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}
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});
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}
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installKeyUpChangeEvent(search);
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search.bind("keyup-change", this.bind(this.updateResults));
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search.bind("focus", function () { search.addClass("select2-focused");});
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search.bind("blur", function () { search.removeClass("select2-focused");});
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this.dropdown.delegate(resultsSelector, "click", this.bind(function (e) {
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if ($(e.target).closest(".select2-result:not(.select2-disabled)").length > 0) {
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this.highlightUnderEvent(e);
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this.selectHighlighted(e);
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} else {
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killEvent(e);
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this.focusSearch();
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}
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}));
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if ($.isFunction(this.opts.initSelection)) {
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// initialize selection based on the current value of the source element
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this.initSelection();
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// if the user has provided a function that can set selection based on the value of the source element
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// we monitor the change event on the element and trigger it, allowing for two way synchronization
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this.monitorSource();
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}
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if (opts.element.is(":disabled")) this.disable();
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},
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// abstract
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destroy: function () {
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var select2 = this.opts.element.data("select2");
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if (select2 !== undefined) {
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select2.container.remove();
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select2.dropdown.remove();
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select2.opts.element
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.removeData("select2")
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.unbind(".select2")
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.show();
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}
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},
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// abstract
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prepareOpts: function (opts) {
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var element, select, idKey;
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element = opts.element;
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if (element.get(0).tagName.toLowerCase() === "select") {
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this.select = select = opts.element;
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}
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if (select) {
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// these options are not allowed when attached to a select because they are picked up off the element itself
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$.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
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if (this in opts) {
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throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
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}
|
|
});
|
|
}
|
|
|
|
opts = $.extend({}, {
|
|
containerCss: {},
|
|
dropdownCss: {},
|
|
containerCssClass: "",
|
|
dropdownCssClass: "",
|
|
populateResults: function(container, results, query) {
|
|
var uidToData={}, populate, markup=[], uid, data, result, children, formatted;
|
|
|
|
populate=function(results, depth) {
|
|
|
|
var i, l, uid, result, selectable, compound;
|
|
for (i = 0, l = results.length; i < l; i = i + 1) {
|
|
|
|
result=results[i];
|
|
selectable=("id" in result); // TODO switch to id() function
|
|
compound=("children" in result) && result.children.length > 0;
|
|
|
|
markup.push("<li class='select2-result-depth-"+depth);
|
|
if (!selectable) { markup.push(" select2-result-unselectable"); } else { markup.push(" select2-result");}
|
|
if (compound) { markup.push(" select2-result-with-children"); }
|
|
|
|
markup.push("'");
|
|
|
|
if (selectable) {
|
|
uid=nextUid();
|
|
markup.push(" id='select2-result-"+uid+"'");
|
|
uidToData[uid]=result;
|
|
}
|
|
|
|
markup.push("><div class='select2-result-label'>");
|
|
formatted=opts.formatResult(result, query, markup);
|
|
// for backwards compat with <3.0 versions
|
|
if (formatted!==undefined) {
|
|
markup.push(formatted);
|
|
}
|
|
markup.push("</div>");
|
|
|
|
if (compound) {
|
|
markup.push("<ul class='select2-result-sub'>");
|
|
populate(result.children, depth + 1);
|
|
markup.push("</ul>");
|
|
}
|
|
|
|
markup.push("</li>");
|
|
}
|
|
};
|
|
|
|
populate(results, 0);
|
|
|
|
children=container.children();
|
|
if (children.length===0) {
|
|
container.html(markup.join(""));
|
|
} else {
|
|
$(children[children.length-1]).append(markup.join(""));
|
|
}
|
|
|
|
for (uid in uidToData) {
|
|
$("#select2-result-"+uid, container).data("select2-data", uidToData[uid]);
|
|
}
|
|
|
|
},
|
|
formatResult: function(result, query, markup) {
|
|
markMatch(result.text, query.term, markup);
|
|
},
|
|
formatSelection: function (data) {
|
|
return data.fullText || data.text;
|
|
},
|
|
formatNoMatches: function () { return "No matches found"; },
|
|
formatInputTooShort: function (input, min) { return "Please enter " + (min - input.length) + " more characters"; },
|
|
formatLoadMore: function (pageNumber) { return "Loading more results..."; },
|
|
minimumResultsForSearch: 0,
|
|
minimumInputLength: 0,
|
|
id: function (e) { return e.id; },
|
|
matcher: function(term, text) {
|
|
return text.toUpperCase().indexOf(term.toUpperCase()) >= 0;
|
|
}
|
|
}, opts);
|
|
|
|
if (typeof(opts.id) !== "function") {
|
|
idKey = opts.id;
|
|
opts.id = function (e) { return e[idKey]; };
|
|
}
|
|
|
|
if (select) {
|
|
opts.query = this.bind(function (query) {
|
|
var data = { results: [], more: false },
|
|
term = query.term,
|
|
children, firstChild, process;
|
|
|
|
process=function(element, collection) {
|
|
var group;
|
|
if (element.is("option")) {
|
|
if (query.matcher(term, element.text())) {
|
|
collection.push({id:element.attr("value"), text:element.text()});
|
|
}
|
|
} else if (element.is("optgroup")) {
|
|
group={text:element.attr("label"), children:[]};
|
|
element.children().each2(function(i, elm) { process(elm, group.children); });
|
|
if (group.children.length>0) {
|
|
collection.push(group);
|
|
}
|
|
}
|
|
};
|
|
|
|
children=element.children();
|
|
|
|
// ignore the placeholder option if there is one
|
|
if (this.getPlaceholder() !== undefined && children.length > 0) {
|
|
firstChild = children[0];
|
|
if ($(firstChild).text() === "") {
|
|
children=children.not(firstChild);
|
|
}
|
|
}
|
|
|
|
children.each2(function(i, elm) { process(elm, data.results); });
|
|
|
|
query.callback(data);
|
|
});
|
|
// this is needed because inside val() we construct choices from options and there id is hardcoded
|
|
opts.id=function(e) { return e.id; };
|
|
} else {
|
|
if (!("query" in opts)) {
|
|
if ("ajax" in opts) {
|
|
opts.query = ajax(opts.ajax);
|
|
} else if ("data" in opts) {
|
|
opts.query = local(opts.data);
|
|
} else if ("tags" in opts) {
|
|
opts.query = tags(opts.tags);
|
|
opts.createSearchChoice = function (term) { return {id: term, text: term}; };
|
|
opts.initSelection = function (element) {
|
|
var data = [];
|
|
$(splitVal(element.val(), ",")).each(function () {
|
|
data.push({id: this, text: this});
|
|
});
|
|
return data;
|
|
};
|
|
}
|
|
}
|
|
}
|
|
if (typeof(opts.query) !== "function") {
|
|
throw "query function not defined for Select2 " + opts.element.attr("id");
|
|
}
|
|
|
|
return opts;
|
|
},
|
|
|
|
/**
|
|
* Monitor the original element for changes and update select2 accordingly
|
|
*/
|
|
// abstract
|
|
monitorSource: function () {
|
|
this.opts.element.bind("change.select2", this.bind(function (e) {
|
|
if (this.opts.element.data("select2-change-triggered") !== true) {
|
|
this.initSelection();
|
|
}
|
|
}));
|
|
},
|
|
|
|
/**
|
|
* Triggers the change event on the source element
|
|
*/
|
|
// abstract
|
|
triggerChange: function () {
|
|
// Prevents recursive triggering
|
|
this.opts.element.data("select2-change-triggered", true);
|
|
this.opts.element.trigger("change");
|
|
this.opts.element.data("select2-change-triggered", false);
|
|
},
|
|
|
|
|
|
// abstract
|
|
enable: function() {
|
|
if (this.enabled) return;
|
|
|
|
this.enabled=true;
|
|
this.container.removeClass("select2-container-disabled");
|
|
},
|
|
|
|
// abstract
|
|
disable: function() {
|
|
if (!this.enabled) return;
|
|
|
|
this.close();
|
|
|
|
this.enabled=false;
|
|
this.container.addClass("select2-container-disabled");
|
|
},
|
|
|
|
// abstract
|
|
opened: function () {
|
|
return this.container.hasClass("select2-dropdown-open");
|
|
},
|
|
|
|
// abstract
|
|
positionDropdown: function() {
|
|
var offset = this.container.offset();
|
|
var height = this.container.outerHeight();
|
|
var width = this.container.outerWidth();
|
|
var css = {
|
|
top: offset.top + height,
|
|
left: offset.left,
|
|
width: width
|
|
}
|
|
this.dropdown.css(css);
|
|
},
|
|
|
|
// abstract
|
|
open: function () {
|
|
if (this.opened()) return;
|
|
|
|
this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
|
|
if(this.dropdown[0] !== this.body.children().last()[0]) {
|
|
// ensure the dropdown is the last child of body, so the z-index is always respected correctly
|
|
this.dropdown.detach().appendTo(this.body);
|
|
}
|
|
|
|
this.dropdown.addClass("select2-drop-active");
|
|
|
|
this.positionDropdown();
|
|
|
|
this.updateResults(true);
|
|
this.dropdown.show();
|
|
this.ensureHighlightVisible();
|
|
this.focusSearch();
|
|
},
|
|
|
|
// abstract
|
|
close: function () {
|
|
if (!this.opened()) return;
|
|
|
|
this.dropdown.hide();
|
|
this.container.removeClass("select2-dropdown-open");
|
|
this.results.empty();
|
|
this.clearSearch();
|
|
},
|
|
|
|
// abstract
|
|
clearSearch: function () {
|
|
|
|
},
|
|
|
|
// abstract
|
|
ensureHighlightVisible: function () {
|
|
var results = this.results, children, index, child, hb, rb, y, more;
|
|
|
|
index = this.highlight();
|
|
|
|
if (index < 0) return;
|
|
|
|
children = results.find(".select2-result");
|
|
|
|
child = $(children[index]);
|
|
|
|
hb = child.offset().top + child.outerHeight();
|
|
|
|
// if this is the last child lets also make sure select2-more-results is visible
|
|
if (index === children.length - 1) {
|
|
more = results.find("li.select2-more-results");
|
|
if (more.length > 0) {
|
|
hb = more.offset().top + more.outerHeight();
|
|
}
|
|
}
|
|
|
|
rb = results.offset().top + results.outerHeight();
|
|
if (hb > rb) {
|
|
results.scrollTop(results.scrollTop() + (hb - rb));
|
|
}
|
|
y = child.offset().top - results.offset().top;
|
|
|
|
// make sure the top of the element is visible
|
|
if (y < 0) {
|
|
results.scrollTop(results.scrollTop() + y); // y is negative
|
|
}
|
|
},
|
|
|
|
// abstract
|
|
moveHighlight: function (delta) {
|
|
var choices = this.results.find(".select2-result"),
|
|
index = this.highlight();
|
|
|
|
while (index > -1 && index < choices.length) {
|
|
index += delta;
|
|
if (!$(choices[index]).hasClass("select2-disabled")) {
|
|
this.highlight(index);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
// abstract
|
|
highlight: function (index) {
|
|
var choices = this.results.find(".select2-result .select2-result-label");
|
|
|
|
if (arguments.length === 0) {
|
|
return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
|
|
}
|
|
|
|
if (index >= choices.length) index = choices.length - 1;
|
|
if (index < 0) index = 0;
|
|
|
|
if ($(choices[index]).parent().is('.select2-result-unselectable')) {
|
|
return;
|
|
}
|
|
|
|
choices.removeClass("select2-highlighted");
|
|
|
|
$(choices[index]).addClass("select2-highlighted");
|
|
this.ensureHighlightVisible();
|
|
|
|
//if (this.opened()) this.focusSearch();
|
|
},
|
|
|
|
// abstract
|
|
highlightUnderEvent: function (event) {
|
|
var el = $(event.target).closest(".select2-result");
|
|
if (el.length > 0 && !el.is(".select2-highlighted")) {
|
|
var choices = this.results.find('.select2-result');
|
|
this.highlight(choices.index(el));
|
|
}
|
|
},
|
|
|
|
// abstract
|
|
loadMoreIfNeeded: function () {
|
|
var results = this.results,
|
|
more = results.find("li.select2-more-results"),
|
|
below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
|
|
offset = -1, // index of first element without data
|
|
page = this.resultsPage + 1,
|
|
self=this;
|
|
|
|
if (more.length === 0) return;
|
|
below = more.offset().top - results.offset().top - results.height();
|
|
|
|
if (below <= 0) {
|
|
more.addClass("select2-active");
|
|
this.opts.query({
|
|
term: this.search.val(),
|
|
page: page,
|
|
context: this.context,
|
|
matcher: this.opts.matcher,
|
|
callback: this.bind(function (data) {
|
|
|
|
self.opts.populateResults(results, data.results, {term: term, page: page, context:context});
|
|
|
|
if (data.more===true) {
|
|
more.detach();
|
|
results.children().filter(":last").append(more);
|
|
more.removeClass("select2-active");
|
|
} else {
|
|
more.remove();
|
|
}
|
|
self.resultsPage = page;
|
|
})});
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param initial whether or not this is the call to this method right after the dropdown has been opened
|
|
*/
|
|
// abstract
|
|
updateResults: function (initial) {
|
|
var search = this.search, results = this.results, opts = this.opts, self=this;
|
|
|
|
// if the search is currently hidden we do not alter the results
|
|
if (initial !== true && this.showSearchInput === false) {
|
|
return;
|
|
}
|
|
|
|
search.addClass("select2-active");
|
|
|
|
function postRender() {
|
|
results.scrollTop(0);
|
|
search.removeClass("select2-active");
|
|
}
|
|
|
|
function render(html) {
|
|
results.html(html);
|
|
postRender();
|
|
}
|
|
|
|
if (search.val().length < opts.minimumInputLength) {
|
|
render("<li class='select2-no-results'>" + opts.formatInputTooShort(search.val(), opts.minimumInputLength) + "</li>");
|
|
return;
|
|
}
|
|
|
|
this.resultsPage = 1;
|
|
opts.query({
|
|
term: search.val(),
|
|
page: this.resultsPage,
|
|
context: null,
|
|
matcher: opts.matcher,
|
|
callback: this.bind(function (data) {
|
|
var def; // default choice
|
|
|
|
// save context, if any
|
|
this.context = (data.context===undefined) ? null : data.context;
|
|
|
|
// create a default choice and prepend it to the list
|
|
if (this.opts.createSearchChoice && search.val() !== "") {
|
|
def = this.opts.createSearchChoice.call(null, search.val(), data.results);
|
|
if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
|
|
if ($(data.results).filter(
|
|
function () {
|
|
return equal(self.id(this), self.id(def));
|
|
}).length === 0) {
|
|
data.results.unshift(def);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (data.results.length === 0) {
|
|
render("<li class='select2-no-results'>" + opts.formatNoMatches(search.val()) + "</li>");
|
|
return;
|
|
}
|
|
|
|
results.empty();
|
|
self.opts.populateResults(results, data.results, {term: search.val(), page: this.resultsPage, context:null});
|
|
postRender();
|
|
|
|
if (data.more === true) {
|
|
results.children().filter(":last").append("<li class='select2-more-results'>" + opts.formatLoadMore(this.resultsPage) + "</li>");
|
|
}
|
|
|
|
this.postprocessResults(data, initial);
|
|
})});
|
|
},
|
|
|
|
// abstract
|
|
cancel: function () {
|
|
this.close();
|
|
},
|
|
|
|
// abstract
|
|
blur: function () {
|
|
this.close();
|
|
this.container.removeClass("select2-container-active");
|
|
this.dropdown.removeClass("select2-drop-active");
|
|
if (this.search.is(":focus")) { this.search.blur(); }
|
|
this.clearSearch();
|
|
this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
|
|
},
|
|
|
|
// abstract
|
|
focusSearch: function () {
|
|
/* we do this in a timeout so that current event processing can complete before this code is executed.
|
|
this makes sure the search field is focussed even if the current event would blur it */
|
|
window.setTimeout(this.bind(function () {
|
|
this.search.focus();
|
|
}), 10);
|
|
},
|
|
|
|
// abstract
|
|
selectHighlighted: function () {
|
|
var data = this.results.find(".select2-highlighted").not(".select2-disabled").closest('.select2-result').not('.select2-result-unselectable').data("select2-data");
|
|
if (data) {
|
|
this.onSelect(data);
|
|
}
|
|
},
|
|
|
|
// abstract
|
|
getPlaceholder: function () {
|
|
return this.opts.element.attr("placeholder") || this.opts.element.data("placeholder") || this.opts.placeholder;
|
|
},
|
|
|
|
/**
|
|
* Get the desired width for the container element. This is
|
|
* derived first from option `width` passed to select2, then
|
|
* the inline 'style' on the original element, and finally
|
|
* falls back to the jQuery calculated element width.
|
|
*
|
|
* @returns The width string (with units) for the container.
|
|
*/
|
|
// abstract
|
|
getContainerWidth: function () {
|
|
var style, attrs, matches, i, l;
|
|
if (this.opts.width !== undefined)
|
|
return this.opts.width;
|
|
|
|
style = this.opts.element.attr('style');
|
|
if (style !== undefined) {
|
|
attrs = style.split(';');
|
|
for (i = 0, l = attrs.length; i < l; i = i + 1) {
|
|
matches = attrs[i].replace(/\s/g, '')
|
|
.match(/width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/);
|
|
if (matches !== null && matches.length >= 1)
|
|
return matches[1];
|
|
}
|
|
}
|
|
return this.opts.element.width() + 'px';
|
|
}
|
|
});
|
|
|
|
SingleSelect2 = clazz(AbstractSelect2, {
|
|
|
|
// single
|
|
createContainer: function () {
|
|
return $("<div></div>", {
|
|
"class": "select2-container",
|
|
"style": "width: " + this.getContainerWidth()
|
|
}).html([
|
|
" <a href='javascript:void(0)' class='select2-choice'><input type='text' class='select2-offscreen select2-focusser'/>",
|
|
" <span></span><abbr class='select2-search-choice-close' style='display:none;'></abbr>",
|
|
" <div><b></b></div>" ,
|
|
"</a>",
|
|
" <div class='select2-drop' style='display:none;'>" ,
|
|
" <div class='select2-search'>" ,
|
|
" <input type='text' autocomplete='off' class='select2-input'/>" ,
|
|
" </div>" ,
|
|
" <ul class='select2-results'>" ,
|
|
" </ul>" ,
|
|
"</div>"].join(""));
|
|
},
|
|
|
|
// single
|
|
open: function () {
|
|
|
|
if (this.opened()) return;
|
|
|
|
this.parent.open.apply(this, arguments);
|
|
|
|
},
|
|
|
|
// single
|
|
close: function () {
|
|
if (!this.opened()) return;
|
|
this.parent.close.apply(this, arguments);
|
|
},
|
|
|
|
// single
|
|
focus: function () {
|
|
this.close();
|
|
this.selection.focus();
|
|
},
|
|
|
|
// single
|
|
isFocused: function () {
|
|
return this.selection.is(":focus");
|
|
},
|
|
|
|
// single
|
|
cancel: function () {
|
|
this.parent.cancel.apply(this, arguments);
|
|
this.selection.focus();
|
|
},
|
|
|
|
// single
|
|
initContainer: function () {
|
|
|
|
var selection,
|
|
container = this.container,
|
|
dropdown = this.dropdown,
|
|
containers = $([this.container.get(0), this.dropdown.get(0)]),
|
|
clickingInside = false,
|
|
selector = ".select2-choice",
|
|
focusser=container.find("input.select2-focusser");
|
|
|
|
this.selection = selection = container.find(selector);
|
|
|
|
this.search.bind("keydown", this.bind(function (e) {
|
|
switch (e.which) {
|
|
case KEY.UP:
|
|
case KEY.DOWN:
|
|
this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
|
|
killEvent(e);
|
|
return;
|
|
case KEY.TAB:
|
|
case KEY.ENTER:
|
|
this.selectHighlighted();
|
|
killEvent(e);
|
|
return;
|
|
case KEY.ESC:
|
|
this.cancel(e);
|
|
killEvent(e);
|
|
return;
|
|
}
|
|
}));
|
|
|
|
containers.delegate(selector, "click", this.bind(function (e) {
|
|
clickingInside = true;
|
|
|
|
if (this.opened()) {
|
|
this.close();
|
|
selection.focus();
|
|
} else if (this.enabled) {
|
|
this.open();
|
|
}
|
|
e.preventDefault();
|
|
|
|
clickingInside = false;
|
|
}));
|
|
containers.delegate(selector, "keydown", this.bind(function (e) {
|
|
if (!this.enabled || e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
|
|
return;
|
|
}
|
|
this.open();
|
|
if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN || e.which === KEY.SPACE) {
|
|
// prevent the page from scrolling
|
|
killEvent(e);
|
|
}
|
|
if (e.which === KEY.ENTER) {
|
|
// do not propagate the event otherwise we open, and propagate enter which closes
|
|
killEvent(e);
|
|
}
|
|
}));
|
|
containers.delegate(selector, "focus", function () { if (this.enabled) { containers.addClass("select2-container-active"); dropdown.addClass("select2-drop-active"); }});
|
|
containers.delegate(selector, "blur", this.bind(function (e) {
|
|
if (clickingInside) return;
|
|
if (e.target===focusser.get(0)) return; // ignore blurs from focusser
|
|
if (!this.opened()) { this.blur(); }
|
|
}));
|
|
|
|
selection.delegate("abbr", "click", this.bind(function (e) {
|
|
if (!this.enabled) return;
|
|
this.val("");
|
|
killEvent(e);
|
|
this.close();
|
|
this.triggerChange();
|
|
selection.focus();
|
|
}));
|
|
|
|
this.setPlaceholder();
|
|
|
|
focusser.bind("focus", function() { selection.focus(); });
|
|
selection.bind("focus", this.bind(function() {
|
|
focusser.hide();
|
|
this.container.addClass("select2-container-active");
|
|
}));
|
|
selection.bind("blur", function() { focusser.show(); });
|
|
this.opts.element.bind("open", function() { focusser.hide(); });
|
|
},
|
|
|
|
/**
|
|
* Sets selection based on source element's value
|
|
*/
|
|
// single
|
|
initSelection: function () {
|
|
var selected;
|
|
if (this.opts.element.val() === "") {
|
|
this.updateSelection({id: "", text: ""});
|
|
} else {
|
|
selected = this.opts.initSelection.call(null, this.opts.element);
|
|
if (selected !== undefined && selected !== null) {
|
|
this.updateSelection(selected);
|
|
}
|
|
}
|
|
|
|
this.close();
|
|
this.setPlaceholder();
|
|
},
|
|
|
|
// single
|
|
prepareOpts: function () {
|
|
var opts = this.parent.prepareOpts.apply(this, arguments);
|
|
|
|
if (opts.element.get(0).tagName.toLowerCase() === "select") {
|
|
// install sthe selection initializer
|
|
opts.initSelection = function (element) {
|
|
var selected = element.find(":selected");
|
|
// a single select box always has a value, no need to null check 'selected'
|
|
return {id: selected.attr("value"), text: selected.text()};
|
|
};
|
|
}
|
|
|
|
return opts;
|
|
},
|
|
|
|
// single
|
|
setPlaceholder: function () {
|
|
var placeholder = this.getPlaceholder();
|
|
|
|
if (this.opts.element.val() === "" && placeholder !== undefined) {
|
|
|
|
// check for a first blank option if attached to a select
|
|
if (this.select && this.select.find("option:first").text() !== "") return;
|
|
|
|
if (typeof(placeholder) === "object") {
|
|
this.updateSelection(placeholder);
|
|
} else {
|
|
this.selection.find("span").html(placeholder);
|
|
}
|
|
this.selection.addClass("select2-default");
|
|
|
|
this.selection.find("abbr").hide();
|
|
}
|
|
},
|
|
|
|
// single
|
|
postprocessResults: function (data, initial) {
|
|
var selected = 0, self = this, showSearchInput = true;
|
|
|
|
// find the selected element in the result list
|
|
|
|
this.results.find(".select2-result").each2(function (i, elm) {
|
|
if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) {
|
|
selected = i;
|
|
return false;
|
|
}
|
|
});
|
|
|
|
// and highlight it
|
|
|
|
this.highlight(selected);
|
|
|
|
// hide the search box if this is the first we got the results and there are a few of them
|
|
|
|
if (initial === true) {
|
|
// TODO below we use data.results.length, but what we really need is something recursive to calc the length
|
|
// TODO in case there are optgroups
|
|
showSearchInput = this.showSearchInput = data.results.length >= this.opts.minimumResultsForSearch;
|
|
this.dropdown.find(".select2-search")[showSearchInput ? "removeClass" : "addClass"]("select2-search-hidden");
|
|
|
|
//add "select2-with-searchbox" to the container if search box is shown
|
|
$(this.dropdown, this.container)[showSearchInput ? "addClass" : "removeClass"]("select2-with-searchbox");
|
|
}
|
|
|
|
},
|
|
|
|
// single
|
|
onSelect: function (data) {
|
|
var old = this.opts.element.val();
|
|
|
|
this.opts.element.val(this.id(data));
|
|
this.updateSelection(data);
|
|
this.close();
|
|
this.selection.focus();
|
|
|
|
if (!equal(old, this.id(data))) { this.triggerChange(); }
|
|
},
|
|
|
|
// single
|
|
updateSelection: function (data) {
|
|
this.selection
|
|
.find("span")
|
|
.html(this.opts.formatSelection(data));
|
|
|
|
this.selection.removeClass("select2-default");
|
|
|
|
if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
|
|
this.selection.find("abbr").show();
|
|
}
|
|
},
|
|
|
|
// single
|
|
val: function () {
|
|
var val, data = null;
|
|
|
|
if (arguments.length === 0) {
|
|
return this.opts.element.val();
|
|
}
|
|
|
|
val = arguments[0];
|
|
|
|
if (this.select) {
|
|
// val is an id
|
|
this.select
|
|
.val(val)
|
|
.find(":selected").each2(function (i, elm) {
|
|
data = {id: elm.attr("value"), text: elm.text()};
|
|
return false;
|
|
});
|
|
this.updateSelection(data);
|
|
} else {
|
|
// val is an object. !val is true for [undefined,null,'']
|
|
this.opts.element.val(!val ? "" : this.id(val));
|
|
this.updateSelection(val);
|
|
}
|
|
this.setPlaceholder();
|
|
|
|
},
|
|
|
|
// single
|
|
clearSearch: function () {
|
|
this.search.val("");
|
|
}
|
|
});
|
|
|
|
MultiSelect2 = clazz(AbstractSelect2, {
|
|
|
|
// multi
|
|
createContainer: function () {
|
|
return $("<div></div>", {
|
|
"class": "select2-container select2-container-multi",
|
|
"style": "width: " + this.getContainerWidth()
|
|
}).html([
|
|
" <ul class='select2-choices'>",
|
|
//"<li class='select2-search-choice'><span>California</span><a href="javascript:void(0)" class="select2-search-choice-close"></a></li>" ,
|
|
" <li class='select2-search-field'>" ,
|
|
" <input type='text' autocomplete='off' style='width: 25px;' class='select2-input'>" ,
|
|
" </li>" ,
|
|
"</ul>" ,
|
|
"<div class='select2-drop select2-drop-multi' style='display:none;'>" ,
|
|
" <ul class='select2-results'>" ,
|
|
" </ul>" ,
|
|
"</div>"].join(""));
|
|
},
|
|
|
|
// multi
|
|
prepareOpts: function () {
|
|
var opts = this.parent.prepareOpts.apply(this, arguments);
|
|
|
|
opts = $.extend({}, {
|
|
closeOnSelect: true
|
|
}, opts);
|
|
|
|
// TODO validate placeholder is a string if specified
|
|
|
|
if (opts.element.get(0).tagName.toLowerCase() === "select") {
|
|
// install the selection initializer
|
|
opts.initSelection = function (element) {
|
|
var data = [];
|
|
element.find(":selected").each2(function (i, elm) {
|
|
data.push({id: elm.attr("value"), text: elm.text()});
|
|
});
|
|
return data;
|
|
};
|
|
}
|
|
|
|
return opts;
|
|
},
|
|
|
|
// multi
|
|
initContainer: function () {
|
|
|
|
var selector = ".select2-choices", selection;
|
|
|
|
this.searchContainer = this.container.find(".select2-search-field");
|
|
this.selection = selection = this.container.find(selector);
|
|
|
|
this.search.bind("keydown", this.bind(function (e) {
|
|
if (!this.enabled) return;
|
|
|
|
if (e.which === KEY.BACKSPACE && this.search.val() === "") {
|
|
this.close();
|
|
|
|
var choices,
|
|
selected = selection.find(".select2-search-choice-focus");
|
|
if (selected.length > 0) {
|
|
this.unselect(selected.first());
|
|
this.search.width(10);
|
|
killEvent(e);
|
|
return;
|
|
}
|
|
|
|
choices = selection.find(".select2-search-choice");
|
|
if (choices.length > 0) {
|
|
choices.last().addClass("select2-search-choice-focus");
|
|
}
|
|
} else {
|
|
selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
|
|
}
|
|
|
|
if (this.opened()) {
|
|
switch (e.which) {
|
|
case KEY.UP:
|
|
case KEY.DOWN:
|
|
this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
|
|
killEvent(e);
|
|
return;
|
|
case KEY.ENTER:
|
|
case KEY.TAB:
|
|
this.selectHighlighted();
|
|
killEvent(e);
|
|
return;
|
|
case KEY.ESC:
|
|
this.cancel(e);
|
|
killEvent(e);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
|
|
return;
|
|
}
|
|
|
|
this.open();
|
|
|
|
if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
|
|
// prevent the page from scrolling
|
|
killEvent(e);
|
|
}
|
|
}));
|
|
|
|
this.search.bind("keyup", this.bind(this.resizeSearch));
|
|
|
|
this.container.delegate(selector, "click", this.bind(function (e) {
|
|
if (!this.enabled) return;
|
|
this.open();
|
|
this.focusSearch();
|
|
e.preventDefault();
|
|
}));
|
|
|
|
this.container.delegate(selector, "focus", this.bind(function () {
|
|
if (!this.enabled) return;
|
|
this.container.addClass("select2-container-active");
|
|
this.dropdown.addClass("select2-drop-active");
|
|
this.clearPlaceholder();
|
|
}));
|
|
|
|
// set the placeholder if necessary
|
|
this.clearSearch();
|
|
},
|
|
|
|
// multi
|
|
enable: function() {
|
|
if (this.enabled) return;
|
|
|
|
this.parent.enable.apply(this, arguments);
|
|
|
|
this.search.show();
|
|
},
|
|
|
|
// multi
|
|
disable: function() {
|
|
if (!this.enabled) return;
|
|
|
|
this.parent.disable.apply(this, arguments);
|
|
|
|
this.search.hide();
|
|
},
|
|
|
|
// multi
|
|
initSelection: function () {
|
|
var data;
|
|
if (this.opts.element.val() === "") {
|
|
this.updateSelection([]);
|
|
}
|
|
if (this.select || this.opts.element.val() !== "") {
|
|
data = this.opts.initSelection.call(null, this.opts.element);
|
|
if (data !== undefined && data !== null) {
|
|
this.updateSelection(data);
|
|
}
|
|
}
|
|
|
|
this.close();
|
|
|
|
// set the placeholder if necessary
|
|
this.clearSearch();
|
|
},
|
|
|
|
// multi
|
|
clearSearch: function () {
|
|
var placeholder = this.getPlaceholder();
|
|
|
|
if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) {
|
|
this.search.val(placeholder).addClass("select2-default");
|
|
// stretch the search box to full width of the container so as much of the placeholder is visible as possible
|
|
this.search.width(this.getContainerWidth());
|
|
} else {
|
|
this.search.val("").width(10);
|
|
}
|
|
},
|
|
|
|
// multi
|
|
clearPlaceholder: function () {
|
|
if (this.search.hasClass("select2-default")) {
|
|
this.search.val("").removeClass("select2-default");
|
|
}
|
|
},
|
|
|
|
// multi
|
|
open: function () {
|
|
if (this.opened()) return;
|
|
this.parent.open.apply(this, arguments);
|
|
this.clearPlaceholder();
|
|
this.resizeSearch();
|
|
this.focusSearch();
|
|
},
|
|
|
|
// multi
|
|
close: function () {
|
|
if (!this.opened()) return;
|
|
this.parent.close.apply(this, arguments);
|
|
},
|
|
|
|
// multi
|
|
focus: function () {
|
|
this.close();
|
|
this.search.focus();
|
|
},
|
|
|
|
// multi
|
|
isFocused: function () {
|
|
return this.search.hasClass("select2-focused");
|
|
},
|
|
|
|
// multi
|
|
updateSelection: function (data) {
|
|
var ids = [], filtered = [], self = this;
|
|
|
|
// filter out duplicates
|
|
$(data).each(function () {
|
|
if (indexOf(self.id(this), ids) < 0) {
|
|
ids.push(self.id(this));
|
|
filtered.push(this);
|
|
}
|
|
});
|
|
data = filtered;
|
|
|
|
this.selection.find(".select2-search-choice").remove();
|
|
$(data).each(function () {
|
|
self.addSelectedChoice(this);
|
|
});
|
|
self.postprocessResults();
|
|
},
|
|
|
|
// multi
|
|
onSelect: function (data) {
|
|
this.addSelectedChoice(data);
|
|
if (this.select) { this.postprocessResults(); }
|
|
|
|
if (this.opts.closeOnSelect) {
|
|
this.close();
|
|
this.search.width(10);
|
|
} else {
|
|
this.search.width(10);
|
|
this.resizeSearch();
|
|
}
|
|
|
|
// since its not possible to select an element that has already been
|
|
// added we do not need to check if this is a new element before firing change
|
|
this.triggerChange();
|
|
|
|
this.focusSearch();
|
|
},
|
|
|
|
// multi
|
|
cancel: function () {
|
|
this.close();
|
|
this.focusSearch();
|
|
},
|
|
|
|
// multi
|
|
addSelectedChoice: function (data) {
|
|
var choice,
|
|
id = this.id(data),
|
|
parts,
|
|
val = this.getVal();
|
|
|
|
parts = ["<li class='select2-search-choice'>",
|
|
this.opts.formatSelection(data),
|
|
"<a href='javascript:void(0)' class='select2-search-choice-close' tabindex='-1'></a>",
|
|
"</li>"
|
|
];
|
|
|
|
choice = $(parts.join(""));
|
|
choice.find("a")
|
|
.bind("click dblclick", this.bind(function (e) {
|
|
if (!this.enabled) return;
|
|
|
|
this.unselect($(e.target));
|
|
this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
|
|
killEvent(e);
|
|
this.close();
|
|
this.focusSearch();
|
|
})).bind("focus", this.bind(function () {
|
|
if (!this.enabled) return;
|
|
this.container.addClass("select2-container-active");
|
|
this.dropdown.addClass("select2-drop-active");
|
|
}));
|
|
|
|
choice.data("select2-data", data);
|
|
choice.insertBefore(this.searchContainer);
|
|
|
|
val.push(id);
|
|
this.setVal(val);
|
|
},
|
|
|
|
// multi
|
|
unselect: function (selected) {
|
|
var val = this.getVal(),
|
|
index;
|
|
|
|
selected = selected.closest(".select2-search-choice");
|
|
|
|
if (selected.length === 0) {
|
|
throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
|
|
}
|
|
|
|
index = indexOf(this.id(selected.data("select2-data")), val);
|
|
|
|
if (index >= 0) {
|
|
val.splice(index, 1);
|
|
this.setVal(val);
|
|
if (this.select) this.postprocessResults();
|
|
}
|
|
selected.remove();
|
|
this.triggerChange();
|
|
},
|
|
|
|
// multi
|
|
postprocessResults: function () {
|
|
var val = this.getVal(),
|
|
choices = this.results.find(".select2-result"),
|
|
self = this;
|
|
|
|
choices.each2(function (i, choice) {
|
|
var id = self.id(choice.data("select2-data"));
|
|
if (indexOf(id, val) >= 0) {
|
|
choice.addClass("select2-disabled");
|
|
} else {
|
|
choice.removeClass("select2-disabled");
|
|
}
|
|
});
|
|
|
|
choices.each2(function (i, choice) {
|
|
if (!choice.hasClass("select2-disabled")) {
|
|
self.highlight(i);
|
|
return false;
|
|
}
|
|
});
|
|
|
|
},
|
|
|
|
// multi
|
|
resizeSearch: function () {
|
|
|
|
var minimumWidth, left, maxWidth, containerLeft, searchWidth,
|
|
sideBorderPadding = getSideBorderPadding(this.search);
|
|
|
|
minimumWidth = measureTextWidth(this.search) + 10;
|
|
|
|
left = this.search.offset().left;
|
|
|
|
maxWidth = this.selection.width();
|
|
containerLeft = this.selection.offset().left;
|
|
|
|
searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
|
|
|
|
if (searchWidth < minimumWidth) {
|
|
searchWidth = maxWidth - sideBorderPadding;
|
|
}
|
|
|
|
if (searchWidth < 40) {
|
|
searchWidth = maxWidth - sideBorderPadding;
|
|
}
|
|
this.search.width(searchWidth);
|
|
},
|
|
|
|
// multi
|
|
getVal: function () {
|
|
var val;
|
|
if (this.select) {
|
|
val = this.select.val();
|
|
return val === null ? [] : val;
|
|
} else {
|
|
val = this.opts.element.val();
|
|
return splitVal(val, ",");
|
|
}
|
|
},
|
|
|
|
// multi
|
|
setVal: function (val) {
|
|
var unique;
|
|
if (this.select) {
|
|
this.select.val(val);
|
|
} else {
|
|
unique = [];
|
|
// filter out duplicates
|
|
$(val).each(function () {
|
|
if (indexOf(this, unique) < 0) unique.push(this);
|
|
});
|
|
this.opts.element.val(unique.length === 0 ? "" : unique.join(","));
|
|
}
|
|
},
|
|
|
|
// multi
|
|
val: function () {
|
|
var val, data = [], self=this;
|
|
|
|
if (arguments.length === 0) {
|
|
return this.getVal();
|
|
}
|
|
|
|
val = arguments[0];
|
|
|
|
if (this.select) {
|
|
// val is a list of ids
|
|
this.setVal(val);
|
|
this.select.find(":selected").each(function () {
|
|
data.push({id: $(this).attr("value"), text: $(this).text()});
|
|
});
|
|
this.updateSelection(data);
|
|
} else {
|
|
val = (val === null) ? [] : val;
|
|
this.setVal(val);
|
|
// val is a list of objects
|
|
$(val).each(function () { data.push(self.id(this)); });
|
|
this.setVal(data);
|
|
this.updateSelection(val);
|
|
}
|
|
|
|
this.clearSearch();
|
|
},
|
|
|
|
// multi
|
|
onSortStart: function() {
|
|
if (this.select) {
|
|
throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
|
|
}
|
|
|
|
// collapse search field into 0 width so its container can be collapsed as well
|
|
this.search.width(0);
|
|
// hide the container
|
|
this.searchContainer.hide();
|
|
},
|
|
|
|
// multi
|
|
onSortEnd:function() {
|
|
|
|
var val=[], self=this;
|
|
|
|
// show search and move it to the end of the list
|
|
this.searchContainer.show();
|
|
// make sure the search container is the last item in the list
|
|
this.searchContainer.appendTo(this.searchContainer.parent());
|
|
// since we collapsed the width in dragStarteed, we resize it here
|
|
this.resizeSearch();
|
|
|
|
// update selection
|
|
|
|
this.selection.find(".select2-search-choice").each(function() {
|
|
val.push(self.opts.id($(this).data("select2-data")));
|
|
});
|
|
this.setVal(val);
|
|
this.triggerChange();
|
|
}
|
|
});
|
|
|
|
$.fn.select2 = function () {
|
|
|
|
var args = Array.prototype.slice.call(arguments, 0),
|
|
opts,
|
|
select2,
|
|
value, multiple, allowedMethods = ["val", "destroy", "open", "close", "focus", "isFocused", "container", "onSortStart", "onSortEnd", "enable", "disable", "positionDropdown"];
|
|
|
|
this.each(function () {
|
|
if (args.length === 0 || typeof(args[0]) === "object") {
|
|
opts = args.length === 0 ? {} : $.extend({}, args[0]);
|
|
opts.element = $(this);
|
|
|
|
if (opts.element.get(0).tagName.toLowerCase() === "select") {
|
|
multiple = opts.element.attr("multiple");
|
|
} else {
|
|
multiple = opts.multiple || false;
|
|
if ("tags" in opts) {opts.multiple = multiple = true;}
|
|
}
|
|
|
|
select2 = multiple ? new MultiSelect2() : new SingleSelect2();
|
|
select2.init(opts);
|
|
} else if (typeof(args[0]) === "string") {
|
|
|
|
if (indexOf(args[0], allowedMethods) < 0) {
|
|
throw "Unknown method: " + args[0];
|
|
}
|
|
|
|
value = undefined;
|
|
select2 = $(this).data("select2");
|
|
if (select2 === undefined) return;
|
|
if (args[0] === "container") {
|
|
value=select2.container;
|
|
} else {
|
|
value = select2[args[0]].apply(select2, args.slice(1));
|
|
}
|
|
if (value !== undefined) {return false;}
|
|
} else {
|
|
throw "Invalid arguments to select2 plugin: " + args;
|
|
}
|
|
});
|
|
return (value === undefined) ? this : value;
|
|
};
|
|
|
|
// exports
|
|
window.Select2 = {
|
|
query: {
|
|
ajax: ajax,
|
|
local: local,
|
|
tags: tags
|
|
}, util: {
|
|
debounce: debounce,
|
|
markMatch: markMatch
|
|
}, "class": {
|
|
"abstract": AbstractSelect2,
|
|
"single": SingleSelect2,
|
|
"multi": MultiSelect2
|
|
}
|
|
};
|
|
|
|
}(jQuery));
|