Файл: plugins/searchsys/static/select2.js
Строк: 2766
<?php
(function ($) {
if(typeof $.fn.each2 == "undefined"){
$.fn.extend({
/*
* 4-10 times faster .each replacement
* use it carefully, as it overrides jQuery context of element on each iteration
*/
each2 : function (c) {
var j = $([0]), i = -1, l = this.length;
while (
++i < l
&& (j.context = j[0] = this[i])
&& c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
);
return this;
}
});
}
})(jQuery);
(function ($, undefined) {
"use strict";
/*global document, window, jQuery, console */
if (window.OCSEsel2 !== undefined) {
return;
}
var KEY, AbstractEsel2, SingleEsel2, MultiEsel2, nextUid, sizer;
KEY = {
TAB: 9,
ENTER: 13,
ESC: 27,
SPACE: 32,
LEFT: 37,
UP: 38,
RIGHT: 39,
DOWN: 40,
SHIFT: 16,
CTRL: 17,
ALT: 18,
PAGE_UP: 33,
PAGE_DOWN: 34,
HOME: 36,
END: 35,
BACKSPACE: 8,
DELETE: 46,
isArrow: function (k) {
k = k.which ? k.which : k;
switch (k) {
case KEY.LEFT:
case KEY.RIGHT:
case KEY.UP:
case KEY.DOWN:
return true;
}
return false;
},
isControl: function (e) {
var k = e.which;
switch (k) {
case KEY.SHIFT:
case KEY.CTRL:
case KEY.ALT:
return true;
}
if (e.metaKey) return true;
return false;
},
isFunctionKey: function (k) {
k = k.which ? k.which : k;
return k >= 112 && k <= 123;
}
};
nextUid=(function() { var counter=1; return function() { return counter++; }; }());
function indexOf(value, array) {
var i = 0, l = array.length, v;
if (typeof value === "undefined") {
return -1;
}
if (value.constructor === String) {
for (; i < l; i = i + 1) if (value.localeCompare(array[i]) === 0) return i;
} else {
for (; i < l; i = i + 1) {
v = array[i];
if (v.constructor === String) {
if (v.localeCompare(value) === 0) return i;
} else {
if (v === value) return i;
}
}
}
return -1;
}
/**
* Compares equality of a and b taking into account that a and b may be strings, in which case localeCompare is used
* @param a
* @param b
*/
function equal(a, b) {
if (a === b) return true;
if (a === undefined || b === undefined) return false;
if (a === null || b === null) return false;
if (a.constructor === String) return a.localeCompare(b) === 0;
if (b.constructor === String) return b.localeCompare(a) === 0;
return false;
}
/**
* Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty
* strings
* @param string
* @param separator
*/
function splitVal(string, separator) {
var val, i, l;
if (string === null || string.length < 1) return [];
val = string.split(separator);
for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]);
return val;
}
function getSideBorderPadding(element) {
return element.outerWidth() - element.width();
}
function installKeyUpChangeEvent(element) {
var key="keyup-change-value";
element.bind("keydown", function () {
if ($.data(element, key) === undefined) {
$.data(element, key, element.val());
}
});
element.bind("keyup", function () {
var val= $.data(element, key);
if (val !== undefined && element.val() !== val) {
$.removeData(element, key);
element.trigger("keyup-change");
}
});
}
$(window).bind("resize", function(e) {
var dropdown=$("#esel2-drop");
if (dropdown.length>0) {
// there is an open dropdown
// adjust dropdown positioning so it sizes with the content
dropdown.data("esel2").positionDropdown();
}
});
$(window).scroll(function(e) {
var dropdown=$("#esel2-drop");
if (dropdown.length>0) {
// there is an open dropdown
// adjust dropdown positioning so it scrolls with the content
dropdown.data("esel2").positionDropdown();
}
});
$(document).delegate("body", "mousemove", function (e) {
$.data(document, "esel2-lastpos", {x: e.pageX, y: e.pageY});
});
/**
* filters mouse events so an event is fired only if the mouse moved.
*
* filters out mouse events that occur when mouse is stationary but
* the elements under the pointer are scrolled.
*/
function installFilteredMouseMove(element) {
element.bind("mousemove", function (e) {
var lastpos = $.data(document, "esel2-lastpos");
if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
$(e.target).trigger("mousemove-filtered", e);
}
});
}
/**
* Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
* within the last quietMillis milliseconds.
*
* @param quietMillis number of milliseconds to wait before invoking fn
* @param fn function to be debounced
* @param ctx object to be used as this reference within fn
* @return debounced version of fn
*/
function debounce(quietMillis, fn, ctx) {
ctx = ctx || undefined;
var timeout;
return function () {
var args = arguments;
window.clearTimeout(timeout);
timeout = window.setTimeout(function() {
fn.apply(ctx, args);
}, quietMillis);
};
}
/**
* A simple implementation of a thunk
* @param formula function used to lazily initialize the thunk
* @return {Function}
*/
function thunk(formula) {
var evaluated = false,
value;
return function() {
if (evaluated === false) { value = formula(); evaluated = true; }
return value;
};
};
function installDebouncedScroll(threshold, element) {
var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
element.bind("scroll", function (e) {
if (indexOf(e.target, element.get()) >= 0) notify(e);
});
}
function killEvent(event) {
event.preventDefault();
event.stopPropagation();
}
function measureTextWidth(e) {
if (!sizer){
var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
sizer = $("<div></div>").css({
position: "absolute",
left: "-10000px",
top: "-10000px",
display: "none",
fontSize: style.fontSize,
fontFamily: style.fontFamily,
fontStyle: style.fontStyle,
fontWeight: style.fontWeight,
letterSpacing: style.letterSpacing,
textTransform: style.textTransform,
whiteSpace: "nowrap"
});
sizer.attr("class","esel2-sizer");
$("body").append(sizer);
}
sizer.text(e.val());
return sizer.width();
}
function markMatch(text, term, markup) {
var match=text.toUpperCase().indexOf(term.toUpperCase()),
tl=term.length;
if (match<0) {
markup.push(text);
return;
}
markup.push(text.substring(0, match));
markup.push("<span class='esel2-match'>");
markup.push(text.substring(match, match + tl));
markup.push("</span>");
markup.push(text.substring(match + tl, text.length));
}
/**
* Produces an ajax-based query function
*
* @param options object containing configuration paramters
* @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
* @param options.url url for the data
* @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
* @param options.dataType request data type: ajax, jsonp, other datatatypes supported by jQuery's $.ajax function or the transport function if specified
* @param options.traditional a boolean flag that should be true if you wish to use the traditional style of param serialization for the ajax request
* @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
* @param options.results a function(remoteData, pageNumber) that converts data returned form the remote request to the format expected by Esel2.
* The expected format is an object containing the following keys:
* results array of objects that will be used as choices
* more (optional) boolean indicating whether there are more results available
* Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
*/
function ajax(options) {
var timeout, // current scheduled but not yet executed request
requestSequence = 0, // sequence used to drop out-of-order responses
handler = null,
quietMillis = options.quietMillis || 100;
return function (query) {
window.clearTimeout(timeout);
timeout = window.setTimeout(function () {
requestSequence += 1; // increment the sequence
var requestNumber = requestSequence, // this request's sequence number
data = options.data, // ajax data function
transport = options.transport || $.ajax,
traditional = options.traditional || false,
type = options.type || 'GET'; // set type of request (GET or POST)
data = data.call(this, query.term, query.page, query.context);
if( null !== handler) { handler.abort(); }
handler = transport.call(null, {
url: options.url,
dataType: options.dataType,
data: data,
type: type,
traditional: traditional,
success: function (data) {
if (requestNumber < requestSequence) {
return;
}
// TODO 3.0 - replace query.page with query so users have access to term, page, etc.
var results = options.results(data, query.page);
query.callback(results);
}
});
}, quietMillis);
};
}
/**
* Produces a query function that works with a local array
*
* @param options object containing configuration parameters. The options parameter can either be an array or an
* object.
*
* If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
*
* If the object form is used ti is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
* an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
* key can either be a String in which case it is expected that each element in the 'data' array has a key with the
* value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
* the text.
*/
function local(options) {
var data = options, // data elements
dataText,
text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
if (!$.isArray(data)) {
text = data.text;
// if text is not a function we assume it to be a key name
if (!$.isFunction(text)) {
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
text = function (item) { return item[dataText]; };
}
data = data.results;
}
return function (query) {
var t = query.term, filtered = { results: [] }, process;
if (t === "") {
query.callback({results: data});
return;
}
process = function(datum, collection) {
var group, attr;
datum = datum[0];
if (datum.children) {
group = {};
for (attr in datum) {
if (datum.hasOwnProperty(attr)) group[attr]=datum[attr];
}
group.children=[];
$(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); });
if (group.children.length) {
collection.push(group);
}
} else {
if (query.matcher(t, text(datum))) {
collection.push(datum);
}
}
};
$(data).each2(function(i, datum) { process(datum, filtered.results); });
query.callback(filtered);
};
}
// TODO javadoc
function tags(data) {
// TODO even for a function we should probably return a wrapper that does the same object/string check as
// the function for arrays. otherwise only functions that return objects are supported.
if ($.isFunction(data)) {
return data;
}
// if not a function we assume it to be an array
return function (query) {
var t = query.term, filtered = {results: []};
$(data).each(function () {
var isObject = this.text !== undefined,
text = isObject ? this.text : this;
if (t === "" || query.matcher(t, text)) {
filtered.results.push(isObject ? this : {id: this, text: this});
}
});
query.callback(filtered);
};
}
/**
* Checks if the formatter function should be used.
*
* Throws an error if it is not a function. Returns true if it should be used,
* false if no formatting should be performed.
*
* @param formatter
*/
function checkFormatter(formatter, formatterName) {
if ($.isFunction(formatter)) return true;
if (!formatter) return false;
throw new Error("formatterName must be a function or a falsy value");
}
function evaluate(val) {
return $.isFunction(val) ? val() : val;
}
function countResults(results) {
var count = 0;
$.each(results, function(i, item) {
if (item.children) {
count += countResults(item.children);
} else {
count++;
}
});
return count;
}
/**
* Default tokenizer. This function uses breaks the input on substring match of any string from the
* opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
* two options have to be defined in order for the tokenizer to work.
*
* @param input text user has typed so far or pasted into the search field
* @param selection currently selected choices
* @param selectCallback function(choice) callback tho add the choice to selection
* @param opts esel2's opts
* @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
*/
function defaultTokenizer(input, selection, selectCallback, opts) {
var original = input, // store the original so we can compare and know if we need to tell the search to update its text
dupe = false, // check for whether a token we extracted represents a duplicate selected choice
token, // token
index, // position at which the separator was found
i, l, // looping variables
separator; // the matched separator
if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
while (true) {
index = -1;
for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
separator = opts.tokenSeparators[i];
index = input.indexOf(separator);
if (index >= 0) break;
}
if (index < 0) break; // did not find any token separator in the input string, bail
token = input.substring(0, index);
input = input.substring(index + separator.length);
if (token.length > 0) {
token = opts.createSearchChoice(token, selection);
if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
dupe = false;
for (i = 0, l = selection.length; i < l; i++) {
if (equal(opts.id(token), opts.id(selection[i]))) {
dupe = true; break;
}
}
if (!dupe) selectCallback(token);
}
}
}
if (original.localeCompare(input) != 0) return input;
}
/**
* blurs any Esel2 container that has focus when an element outside them was clicked or received focus
*
* also takes care of clicks on label tags that point to the source element
*/
$(document).ready(function () {
$(document).delegate("body", "mousedown touchend", function (e) {
var target = $(e.target).closest("div.esel2-container").get(0), attr;
if (target) {
$(document).find("div.esel2-container-active").each(function () {
if (this !== target) $(this).data("esel2").blur();
});
} else {
target = $(e.target).closest("div.esel2-drop").get(0);
$(document).find("div.esel2-drop-active").each(function () {
if (this !== target) $(this).data("esel2").blur();
});
}
target=$(e.target);
attr = target.attr("for");
if ("LABEL" === e.target.tagName && attr && attr.length > 0) {
target = $("#"+attr);
target = target.data("esel2");
if (target !== undefined) { target.focus(); e.preventDefault();}
}
});
});
/**
* Creates a new class
*
* @param superClass
* @param methods
*/
function clazz(SuperClass, methods) {
var constructor = function () {};
constructor.prototype = new SuperClass;
constructor.prototype.constructor = constructor;
constructor.prototype.parent = SuperClass.prototype;
constructor.prototype = $.extend(constructor.prototype, methods);
return constructor;
}
AbstractEsel2 = clazz(Object, {
// abstract
bind: function (func) {
var self = this;
return function () {
func.apply(self, arguments);
};
},
// abstract
init: function (opts) {
var results, search, resultsSelector = ".esel2-results";
// prepare options
this.opts = opts = this.prepareOpts(opts);
this.id=opts.id;
// destroy if called on an existing component
if (opts.element.data("esel2") !== undefined &&
opts.element.data("esel2") !== null) {
this.destroy();
}
this.enabled=true;
this.container = this.createContainer();
this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
this.containerSelector="#"+this.containerId.replace(/([;&,.+*~':"!^#$%@[]()=>|])/g, '\$1');
this.container.attr("id", this.containerId);
// cache the body so future lookups are cheap
this.body = thunk(function() { return opts.element.closest("body"); });
if (opts.element.attr("class") !== undefined) {
this.container.addClass(opts.element.attr("class").replace(/validate[[S ]+] ?/, ''));
}
this.container.css(evaluate(opts.containerCss));
this.container.addClass(evaluate(opts.containerCssClass));
// swap container for the element
this.opts.element
.data("esel2", this)
.hide()
.before(this.container);
this.container.data("esel2", this);
this.dropdown = this.container.find(".esel2-drop");
this.dropdown.addClass(evaluate(opts.dropdownCssClass));
this.dropdown.data("esel2", this);
this.results = results = this.container.find(resultsSelector);
this.search = search = this.container.find("input.esel2-input");
search.attr("tabIndex", this.opts.element.attr("tabIndex"));
this.resultsPage = 0;
this.context = null;
// initialize the container
this.initContainer();
this.initContainerWidth();
installFilteredMouseMove(this.results);
this.dropdown.delegate(resultsSelector, "mousemove-filtered", this.bind(this.highlightUnderEvent));
installDebouncedScroll(80, this.results);
this.dropdown.delegate(resultsSelector, "scroll-debounced", this.bind(this.loadMoreIfNeeded));
// if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
if ($.fn.mousewheel) {
results.mousewheel(function (e, delta, deltaX, deltaY) {
var top = results.scrollTop(), height;
if (deltaY > 0 && top - deltaY <= 0) {
results.scrollTop(0);
killEvent(e);
} else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
results.scrollTop(results.get(0).scrollHeight - results.height());
killEvent(e);
}
});
}
installKeyUpChangeEvent(search);
search.bind("keyup-change", this.bind(this.updateResults));
search.bind("focus", function () { search.addClass("esel2-focused"); if (search.val() === " ") search.val(""); });
search.bind("blur", function () { search.removeClass("esel2-focused");});
this.dropdown.delegate(resultsSelector, "mouseup", this.bind(function (e) {
if ($(e.target).closest(".esel2-result-selectable:not(.esel2-disabled)").length > 0) {
this.highlightUnderEvent(e);
this.selectHighlighted(e);
} else {
this.focusSearch();
}
killEvent(e);
}));
// trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
// for mouse events outside of itself so it can close itself. since the dropdown is now outside the esel2's
// dom it will trigger the popup close, which is not what we want
this.dropdown.bind("click mouseup mousedown", function (e) { e.stopPropagation(); });
if ($.isFunction(this.opts.initSelection)) {
// initialize selection based on the current value of the source element
this.initSelection();
// if the user has provided a function that can set selection based on the value of the source element
// we monitor the change event on the element and trigger it, allowing for two way synchronization
this.monitorSource();
}
if (opts.element.is(":disabled") || opts.element.is("[readonly='readonly']")) this.disable();
},
// abstract
destroy: function () {
var esel2 = this.opts.element.data("esel2");
if (esel2 !== undefined) {
esel2.container.remove();
esel2.dropdown.remove();
esel2.opts.element
.removeData("esel2")
.unbind(".esel2")
.show();
}
},
// abstract
prepareOpts: function (opts) {
var element, select, idKey, ajaxUrl;
element = opts.element;
if (element.get(0).tagName.toLowerCase() === "select") {
this.select = select = opts.element;
}
if (select) {
// these options are not allowed when attached to a select because they are picked up off the element itself
$.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
if (this in opts) {
throw new Error("Option '" + this + "' is not allowed for Esel2 when attached to a <select> element.");
}
});
}
opts = $.extend({}, {
populateResults: function(container, results, query) {
var populate, data, result, children, id=this.opts.id, self=this;
populate=function(results, container, depth) {
var i, l, result, selectable, compound, node, label, innerContainer, formatted;
for (i = 0, l = results.length; i < l; i = i + 1) {
result=results[i];
selectable=id(result) !== undefined;
compound=result.children && result.children.length > 0;
node=$("<li></li>");
node.addClass("esel2-results-dept-"+depth);
node.addClass("esel2-result");
node.addClass(selectable ? "esel2-result-selectable" : "esel2-result-unselectable");
if (compound) { node.addClass("esel2-result-with-children"); }
node.addClass(self.opts.formatResultCssClass(result));
label=$("<div></div>");
label.addClass("esel2-result-label");
formatted=opts.formatResult(result, label, query);
if (formatted!==undefined) {
label.html(self.opts.escapeMarkup(formatted));
}
node.append(label);
if (compound) {
innerContainer=$("<ul></ul>");
innerContainer.addClass("esel2-result-sub");
populate(result.children, innerContainer, depth+1);
node.append(innerContainer);
}
node.data("esel2-data", result);
container.append(node);
}
};
populate(results, container, 0);
}
}, $.fn.esel2.defaults, opts);
if (typeof(opts.id) !== "function") {
idKey = opts.id;
opts.id = function (e) { return e[idKey]; };
}
if (select) {
opts.query = this.bind(function (query) {
var data = { results: [], more: false },
term = query.term,
children, firstChild, process;
process=function(element, collection) {
var group;
if (element.is("option")) {
if (query.matcher(term, element.text(), element)) {
collection.push({id:element.attr("value"), text:element.text(), element: element.get(), css: element.attr("class")});
}
} else if (element.is("optgroup")) {
group={text:element.attr("label"), children:[], element: element.get(), css: element.attr("class")};
element.children().each2(function(i, elm) { process(elm, group.children); });
if (group.children.length>0) {
collection.push(group);
}
}
};
children=element.children();
// ignore the placeholder option if there is one
if (this.getPlaceholder() !== undefined && children.length > 0) {
firstChild = children[0];
if ($(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; };
opts.formatResultCssClass = function(data) { return data.css; }
} else {
if (!("query" in opts)) {
if ("ajax" in opts) {
ajaxUrl = opts.element.data("ajax-url");
if (ajaxUrl && ajaxUrl.length > 0) {
opts.ajax.url = ajaxUrl;
}
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, callback) {
var data = [];
$(splitVal(element.val(), opts.separator)).each(function () {
var id = this, text = this, tags=opts.tags;
if ($.isFunction(tags)) tags=tags();
$(tags).each(function() { if (equal(this.id, id)) { text = this.text; return false; } });
data.push({id: id, text: text});
});
callback(data);
};
}
}
}
if (typeof(opts.query) !== "function") {
throw "query function not defined for Esel2 " + opts.element.attr("id");
}
return opts;
},
/**
* Monitor the original element for changes and update esel2 accordingly
*/
// abstract
monitorSource: function () {
this.opts.element.bind("change.esel2", this.bind(function (e) {
if (this.opts.element.data("esel2-change-triggered") !== true) {
this.initSelection();
}
}));
},
/**
* Triggers the change event on the source element
*/
// abstract
triggerChange: function (details) {
details = details || {};
details= $.extend({}, details, { type: "change", val: this.val() });
// prevents recursive triggering
this.opts.element.data("esel2-change-triggered", true);
this.opts.element.trigger(details);
this.opts.element.data("esel2-change-triggered", false);
// some validation frameworks ignore the change event and listen instead to keyup, click for selects
// so here we trigger the click event manually
this.opts.element.click();
// ValidationEngine ignorea the change event and listens instead to blur
// so here we trigger the blur event manually if so desired
if (this.opts.blurOnChange)
this.opts.element.blur();
},
// abstract
enable: function() {
if (this.enabled) return;
this.enabled=true;
this.container.removeClass("esel2-container-disabled");
},
// abstract
disable: function() {
if (!this.enabled) return;
this.close();
this.enabled=false;
this.container.addClass("esel2-container-disabled");
},
// abstract
opened: function () {
return this.container.hasClass("esel2-dropdown-open");
},
// abstract
positionDropdown: function() {
var offset = this.container.offset(),
height = this.container.outerHeight(),
width = this.container.outerWidth(),
dropHeight = this.dropdown.outerHeight(),
viewportBottom = $(window).scrollTop() + document.documentElement.clientHeight,
dropTop = offset.top + height,
dropLeft = offset.left,
enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
enoughRoomAbove = (offset.top - dropHeight) >= this.body().scrollTop(),
aboveNow = this.dropdown.hasClass("esel2-drop-above"),
bodyOffset,
above,
css;
// console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
// console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body().scrollTop(), "enough?", enoughRoomAbove);
// fix positioning when body has an offset and is not position: static
if (this.body().css('position') !== 'static') {
bodyOffset = this.body().offset();
dropTop -= bodyOffset.top;
dropLeft -= bodyOffset.left;
}
// always prefer the current above/below alignment, unless there is not enough room
if (aboveNow) {
above = true;
if (!enoughRoomAbove && enoughRoomBelow) above = false;
} else {
above = false;
if (!enoughRoomBelow && enoughRoomAbove) above = true;
}
if (above) {
dropTop = offset.top - dropHeight;
this.container.addClass("esel2-drop-above");
this.dropdown.addClass("esel2-drop-above");
}
else {
this.container.removeClass("esel2-drop-above");
this.dropdown.removeClass("esel2-drop-above");
}
css = $.extend({
top: dropTop,
left: dropLeft,
width: width
}, evaluate(this.opts.dropdownCss));
this.dropdown.css(css);
},
// abstract
shouldOpen: function() {
var event;
if (this.opened()) return false;
event = $.Event("open");
this.opts.element.trigger(event);
return !event.isDefaultPrevented();
},
// abstract
clearDropdownAlignmentPreference: function() {
// clear the classes used to figure out the preference of where the dropdown should be opened
this.container.removeClass("esel2-drop-above");
this.dropdown.removeClass("esel2-drop-above");
},
/**
* Opens the dropdown
*
* @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
* the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
*/
// abstract
open: function () {
if (!this.shouldOpen()) return false;
window.setTimeout(this.bind(this.opening), 1);
return true;
},
/**
* Performs the opening of the dropdown
*/
// abstract
opening: function() {
var cid = this.containerId, selector = this.containerSelector;
this.clearDropdownAlignmentPreference();
if (this.search.val() === " ") { this.search.val(""); }
this.container.addClass("esel2-dropdown-open").addClass("esel2-container-active");
this.updateResults(true);
if(this.dropdown[0] !== this.body().children().last()[0]) {
this.dropdown.detach().appendTo(this.body());
}
this.dropdown.show();
// move the global id to the correct dropdown
$("#esel2-drop").removeAttr("id");
this.dropdown.attr("id", "esel2-drop");
// show the elements
this.dropdown.show();
this.positionDropdown();
this.dropdown.addClass("esel2-drop-active");
this.ensureHighlightVisible();
this.focusSearch();
},
// abstract
close: function () {
if (!this.opened()) return;
var self = this;
this.clearDropdownAlignmentPreference();
this.dropdown.removeAttr("id"); // only the active dropdown has the esel2-drop id
this.dropdown.hide();
this.container.removeClass("esel2-dropdown-open").removeClass("esel2-container-active");
this.results.empty();
this.clearSearch();
this.opts.element.trigger($.Event("close"));
},
// abstract
clearSearch: function () {
},
// abstract
ensureHighlightVisible: function () {
var results = this.results, children, index, child, hb, rb, y, more;
index = this.highlight();
if (index < 0) return;
if (index == 0) {
// if the first element is highlighted scroll all the way to the top,
// that way any unselectable headers above it will also be scrolled
// into view
results.scrollTop(0);
return;
}
children = results.find(".esel2-result-selectable");
child = $(children[index]);
hb = child.offset().top + child.outerHeight();
// if this is the last child lets also make sure esel2-more-results is visible
if (index === children.length - 1) {
more = results.find("li.esel2-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(".esel2-result-selectable"),
index = this.highlight();
while (index > -1 && index < choices.length) {
index += delta;
var choice = $(choices[index]);
if (choice.hasClass("esel2-result-selectable") && !choice.hasClass("esel2-disabled")) {
this.highlight(index);
break;
}
}
},
// abstract
highlight: function (index) {
var choices = this.results.find(".esel2-result-selectable").not(".esel2-disabled");
if (arguments.length === 0) {
return indexOf(choices.filter(".esel2-highlighted")[0], choices.get());
}
if (index >= choices.length) index = choices.length - 1;
if (index < 0) index = 0;
choices.removeClass("esel2-highlighted");
$(choices[index]).addClass("esel2-highlighted");
this.ensureHighlightVisible();
},
// abstract
countSelectableResults: function() {
return this.results.find(".esel2-result-selectable").not(".esel2-disabled").length;
},
// abstract
highlightUnderEvent: function (event) {
var el = $(event.target).closest(".esel2-result-selectable");
if (el.length > 0 && !el.is(".esel2-highlighted")) {
var choices = this.results.find('.esel2-result-selectable');
this.highlight(choices.index(el));
} else if (el.length == 0) {
// if we are over an unselectable item remove al highlights
this.results.find(".esel2-highlighted").removeClass("esel2-highlighted");
}
},
// abstract
loadMoreIfNeeded: function () {
var results = this.results,
more = results.find("li.esel2-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,
term=this.search.val(),
context=this.context;
if (more.length === 0) return;
below = more.offset().top - results.offset().top - results.height();
if (below <= 0) {
more.addClass("esel2-active");
this.opts.query({
term: term,
page: page,
context: context,
matcher: this.opts.matcher,
callback: this.bind(function (data) {
// ignore a response if the esel2 has been closed before it was received
if (!self.opened()) return;
self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
if (data.more===true) {
more.detach().appendTo(results).text(self.opts.formatLoadMore(page+1));
window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
} else {
more.remove();
}
self.positionDropdown();
self.resultsPage = page;
})});
}
},
/**
* Default tokenizer function which does nothing
*/
tokenize: function() {
},
/**
* @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, data, self=this, input;
// if the search is currently hidden we do not alter the results
if (initial !== true && (this.showSearchInput === false || !this.opened())) {
return;
}
search.addClass("esel2-active");
function postRender( term ) {
results.scrollTop(0);
search.removeClass("esel2-active");
self.positionDropdown();
opts.postRender(term);
}
function render(html, term) {
results.html(self.opts.escapeMarkup(html));
postRender(term);
}
if (opts.maximumSelectionSize >=1) {
data = this.data();
if ($.isArray(data) && data.length >= opts.maximumSelectionSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
render("<li class='esel2-selection-limit'>" + opts.formatSelectionTooBig(opts.maximumSelectionSize) + "</li>", search.val());
return;
}
}
this.dropdown.removeClass('esel2-dropdown-too-short'); //MCOMPOSE
if (search.val().length < opts.minimumInputLength && checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
this.dropdown.addClass('esel2-dropdown-too-short');
render("<li class='esel2-no-results'>" + opts.formatInputTooShort(search.val(), opts.minimumInputLength) + "</li>", search.val());
return;
}
else {
render("<li class='esel2-searching'>" + opts.formatSearching() + "</li>", search.val());
}
// give the tokenizer a chance to pre-process the input
input = this.tokenize();
if (input != undefined && input != null) {
search.val(input);
}
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
// ignore a response if the esel2 has been closed before it was received
if (!this.opened()) return;
// 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 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
render("<li class='esel2-no-results'>" + opts.formatNoMatches(search.val()) + "</li>", search.val());
return;
}
results.empty();
self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
results.append("<li class='esel2-more-results'>" + self.opts.escapeMarkup(opts.formatLoadMore(this.resultsPage)) + "</li>");
window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
}
this.postprocessResults(data, initial);
postRender(search.val());
})});
},
// abstract
cancel: function () {
this.close();
},
// abstract
blur: function () {
this.close();
this.container.removeClass("esel2-container-active");
this.dropdown.removeClass("esel2-drop-active");
// synonymous to .is(':focus'), which is available in jquery >= 1.6
if (this.search[0] === document.activeElement) { this.search.blur(); }
this.clearSearch();
this.selection.find(".esel2-search-choice-focus").removeClass("esel2-search-choice-focus");
},
// abstract
focusSearch: function () {
// need to do it here as well as in timeout so it works in IE
this.search.show();
this.search.focus();
/* 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 () {
// reset the value so IE places the cursor at the end of the input box
this.search.show();
this.search.focus();
this.search.val(this.search.val());
}), 10);
},
// abstract
selectHighlighted: function () {
var index=this.highlight(),
highlighted=this.results.find(".esel2-highlighted").not(".esel2-disabled"),
data = highlighted.closest('.esel2-result-selectable').data("esel2-data");
if (data) {
highlighted.addClass("esel2-disabled");
this.highlight(index);
this.onSelect(data);
}
},
// abstract
getPlaceholder: function () {
return this.opts.element.attr("placeholder") ||
this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
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 esel2, then
* the inline 'style' on the original element, and finally
* falls back to the jQuery calculated element width.
*/
// abstract
initContainerWidth: function () {
function resolveContainerWidth() {
var style, attrs, matches, i, l;
if (this.opts.width === "off") {
return null;
} else if (this.opts.width === "element"){
return this.opts.element.outerWidth() === 0 ? 'auto' : this.opts.element.outerWidth() + 'px';
} else if (this.opts.width === "copy" || this.opts.width === "resolve") {
// check if there is inline style on the element that contains 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];
}
}
if (this.opts.width === "resolve") {
// next check if css('width') can resolve a width that is percent based, this is sometimes possible
// when attached to input type=hidden or elements hidden via css
style = this.opts.element.css('width');
if (style.indexOf("%") > 0) return style;
// finally, fallback on the calculated width of the element
return (this.opts.element.outerWidth() === 0 ? 'auto' : this.opts.element.outerWidth() + 'px');
}
return null;
} else if ($.isFunction(this.opts.width)) {
return this.opts.width();
} else {
return this.opts.width;
}
};
var width = resolveContainerWidth.call(this);
if (width !== null) {
this.container.attr("style", "width: "+width);
}
}
});
SingleEsel2 = clazz(AbstractEsel2, {
// single
createContainer: function () {
var container = $("<div></div>", {
"class": "esel2-container"
}).html([
" <a href='#' onclick='return false;' class='esel2-choice'>",
" <span></span><abbr class='esel2-search-choice-close' style='display:none;'></abbr>",
" <div><b></b></div>" ,
"</a>",
" <div class='esel2-drop esel2-offscreen'>" ,
" <div class='esel2-search'>" ,
" <input type='text' autocomplete='off' class='esel2-input'/>" ,
" </div>" ,
" <ul class='esel2-results'>" ,
" </ul>" ,
"</div>"].join(""));
return container;
},
// single
opening: function () {
this.search.show();
this.parent.opening.apply(this, arguments);
this.dropdown.removeClass("esel2-offscreen");
},
// single
close: function () {
if (!this.opened()) return;
this.parent.close.apply(this, arguments);
this.dropdown.removeAttr("style").addClass("esel2-offscreen").insertAfter(this.selection).show();
},
// single
focus: function () {
this.close();
this.selection.focus();
},
// single
isFocused: function () {
return this.selection[0] === document.activeElement;
},
// single
cancel: function () {
this.parent.cancel.apply(this, arguments);
this.selection.focus();
},
// single
initContainer: function () {
var selection,
container = this.container,
dropdown = this.dropdown,
clickingInside = false;
this.selection = selection = container.find(".esel2-choice");
this.search.bind("keydown", this.bind(function (e) {
if (!this.enabled) return;
if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
// prevent the page from scrolling
killEvent(e);
return;
}
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.TAB:
case KEY.ENTER:
this.selectHighlighted();
killEvent(e);
return;
case KEY.ESC:
this.cancel(e);
killEvent(e);
return;
}
} else {
if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
return;
}
if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
return;
}
this.open();
if (e.which === KEY.ENTER) {
// do not propagate the event otherwise we open, and propagate enter which closes
return;
}
}
}));
this.search.bind("focus", this.bind(function() {
this.selection.attr("tabIndex", "-1");
}));
this.search.bind("blur", this.bind(function() {
if (!this.opened()) this.container.removeClass("esel2-container-active");
window.setTimeout(this.bind(function() { this.selection.attr("tabIndex", this.opts.element.attr("tabIndex")); }), 10);
}));
selection.bind("mousedown", this.bind(function (e) {
clickingInside = true;
if (this.opened()) {
this.close();
this.selection.focus();
} else if (this.enabled) {
this.open();
}
clickingInside = false;
}));
dropdown.bind("mousedown", this.bind(function() { this.search.focus(); }));
selection.bind("focus", this.bind(function() {
this.container.addClass("esel2-container-active");
// hide the search so the tab key does not focus on it
this.search.attr("tabIndex", "-1");
}));
selection.bind("blur", this.bind(function() {
if (!this.opened()) {
this.container.removeClass("esel2-container-active");
}
window.setTimeout(this.bind(function() { this.search.attr("tabIndex", this.opts.element.attr("tabIndex")); }), 10);
}));
selection.bind("keydown", this.bind(function(e) {
if (!this.enabled) return;
if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
// prevent the page from scrolling
killEvent(e);
return;
}
if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
|| e.which === KEY.ESC) {
return;
}
if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
return;
}
if (e.which == KEY.DELETE) {
if (this.opts.allowClear) {
this.clear();
}
return;
}
this.open();
if (e.which === KEY.ENTER) {
// do not propagate the event otherwise we open, and propagate enter which closes
killEvent(e);
return;
}
// do not set the search input value for non-alpha-numeric keys
// otherwise pressing down results in a '(' being set in the search field
if (e.which < 48 ) { // '0' == 48
killEvent(e);
return;
}
var keyWritten = String.fromCharCode(e.which).toLowerCase();
if (e.shiftKey) {
keyWritten = keyWritten.toUpperCase();
}
// focus the field before calling val so the cursor ends up after the value instead of before
this.search.focus();
this.search.val(keyWritten);
// prevent event propagation so it doesnt replay on the now focussed search field and result in double key entry
killEvent(e);
}));
selection.delegate("abbr", "mousedown", this.bind(function (e) {
if (!this.enabled) return;
this.clear();
killEvent(e);
this.close();
this.triggerChange();
this.selection.focus();
}));
this.setPlaceholder();
this.search.bind("focus", this.bind(function() {
this.container.addClass("esel2-container-active");
}));
},
// single
clear: function() {
this.opts.element.val("");
this.selection.find("span").empty();
this.selection.removeData("esel2-data");
this.setPlaceholder();
},
/**
* Sets selection based on source element's value
*/
// single
initSelection: function () {
var selected;
if (this.opts.element.val() === "") {
this.close();
this.setPlaceholder();
} else {
var self = this;
this.opts.initSelection.call(null, this.opts.element, function(selected){
if (selected !== undefined && selected !== null) {
self.updateSelection(selected);
self.close();
self.setPlaceholder();
}
});
}
},
// single
prepareOpts: function () {
var opts = this.parent.prepareOpts.apply(this, arguments);
if (opts.element.get(0).tagName.toLowerCase() === "select") {
// install the selection initializer
opts.initSelection = function (element, callback) {
var selected = element.find(":selected");
// a single select box always has a value, no need to null check 'selected'
if ($.isFunction(callback))
callback({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;
this.selection.find("span").html(this.opts.escapeMarkup(placeholder));
this.selection.addClass("esel2-default").addClass('invitation');
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(".esel2-result-selectable").each2(function (i, elm) {
if (equal(self.id(elm.data("esel2-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) {
showSearchInput = this.showSearchInput = countResults(data.results) >= this.opts.minimumResultsForSearch;
this.dropdown.find(".esel2-search")[showSearchInput ? "removeClass" : "addClass"]("esel2-search-hidden");
//add "esel2-with-searchbox" to the container if search box is shown
$(this.dropdown, this.container)[showSearchInput ? "addClass" : "removeClass"]("esel2-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) {
var container=this.selection.find("span"), formatted;
this.selection.data("esel2-data", data);
container.empty();
formatted=this.opts.formatSelection(data, container);
if (formatted !== undefined) {
container.append(this.opts.escapeMarkup(formatted));
}
this.selection.removeClass("esel2-default").removeClass('invitation');
if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
this.selection.find("abbr").show();
}
},
// single
val: function () {
var val, data = null, self = this;
if (arguments.length === 0) {
return this.opts.element.val();
}
val = arguments[0];
if (this.select) {
this.select
.val(val)
.find(":selected").each2(function (i, elm) {
data = {id: elm.attr("value"), text: elm.text()};
return false;
});
this.updateSelection(data);
this.setPlaceholder();
} else {
if (this.opts.initSelection === undefined) {
throw new Error("cannot call val() if initSelection() is not defined");
}
// val is an id. !val is true for [undefined,null,'']
if (!val) {
this.clear();
return;
}
this.opts.element.val(val);
this.opts.initSelection(this.opts.element, function(data){
self.opts.element.val(!data ? "" : self.id(data));
self.updateSelection(data);
self.setPlaceholder();
});
}
},
// single
clearSearch: function () {
this.search.val("");
},
// single
data: function(value) {
var data;
if (arguments.length === 0) {
data = this.selection.data("esel2-data");
if (data == undefined) data = null;
return data;
} else {
if (!value || value === "") {
this.clear();
} else {
this.opts.element.val(!value ? "" : this.id(value));
this.updateSelection(value);
}
}
}
});
MultiEsel2 = clazz(AbstractEsel2, {
// multi
createContainer: function () {
var container = $("<div></div>", {
"class": "esel2-container esel2-container-multi"
}).html([
" <ul class='esel2-choices'>",
//"<li class='esel2-search-choice'><span>California</span><a href="javascript:void(0)" class="esel2-search-choice-close"></a></li>" ,
" <li class='esel2-search-field'>" ,
" <input type='text' autocomplete='off' class='esel2-input'>" ,
" </li>" ,
"</ul>" ,
"<div class='esel2-drop esel2-drop-multi' style='display:none;'>" ,
" <ul class='esel2-results'>" ,
" </ul>" ,
"</div>"].join(""));
return container;
},
// multi
prepareOpts: function () {
var opts = this.parent.prepareOpts.apply(this, arguments);
// TODO validate placeholder is a string if specified
if (opts.element.get(0).tagName.toLowerCase() === "select") {
// install sthe selection initializer
opts.initSelection = function (element,callback) {
var data = [];
element.find(":selected").each2(function (i, elm) {
data.push({id: elm.attr("value"), text: elm.text()});
});
if ($.isFunction(callback))
callback(data);
};
}
return opts;
},
// multi
initContainer: function () {
var selector = ".esel2-choices", selection;
this.searchContainer = this.container.find(".esel2-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(".esel2-search-choice-focus");
/*
* MCOMPOSE
*
*if (selected.length > 0) {
this.unselect(selected.first());
this.search.width(10);
killEvent(e);
return;
}*/
choices = selection.find(".esel2-search-choice");
if (choices.length > 0) {
//choices.last().addClass("esel2-search-choice-focus");
this.unselect(choices.last()); // MCOMPOSE
}
} else {
selection.find(".esel2-search-choice-focus").removeClass("esel2-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;
}
if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
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.search.bind("blur", this.bind(function(e) {
this.container.removeClass("esel2-container-active");
this.search.removeClass("esel2-focused");
this.clearSearch();
e.stopImmediatePropagation();
}));
this.container.delegate(selector, "mousedown", this.bind(function (e) {
if (!this.enabled) return;
if ($(e.target).closest(".esel2-search-choice").length > 0) {
// clicked inside a esel2 search choice, do not open
return;
}
this.clearPlaceholder();
this.open();
this.focusSearch();
e.preventDefault();
}));
this.container.delegate(selector, "focus", this.bind(function () {
if (!this.enabled) return;
this.container.addClass("esel2-container-active");
this.dropdown.addClass("esel2-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.removeAttr("disabled");
},
// multi
disable: function() {
if (!this.enabled) return;
this.parent.disable.apply(this, arguments);
this.search.attr("disabled", true);
},
// multi
initSelection: function () {
var data;
if (this.opts.element.val() === "") {
this.updateSelection([]);
this.close();
// set the placeholder if necessary
this.clearSearch();
}
if (this.select || this.opts.element.val() !== "") {
var self = this;
this.opts.initSelection.call(null, this.opts.element, function(data){
if (data !== undefined && data !== null) {
self.updateSelection(data);
self.close();
// set the placeholder if necessary
self.clearSearch();
}
});
}
},
// multi
clearSearch: function () {
var placeholder = this.getPlaceholder();
if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("esel2-focused") === false) {
this.search.val(placeholder).addClass("esel2-default").addClass('invitation');
// stretch the search box to full width of the container so as much of the placeholder is visible as possible
this.resizeSearch();
} else {
// we set this to " " instead of "" and later clear it on focus() because there is a firefox bug
// that does not properly render the caret when the field starts out blank
this.search.val(" ").width(10);
}
},
// multi
clearPlaceholder: function () {
if (this.search.hasClass("esel2-default")) {
this.search.val("").removeClass("esel2-default").removeClass('invitation');
} else {
// work around for the space character we set to avoid firefox caret bug
if (this.search.val() === " ") this.search.val("");
}
},
// multi
opening: function () {
this.parent.opening.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("esel2-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(".esel2-search-choice").remove();
$(data).each(function () {
self.addSelectedChoice(this);
});
self.postprocessResults();
},
tokenize: function() {
var input = this.search.val();
input = this.opts.tokenizer(input, this.data(), this.bind(this.onSelect), this.opts);
if (input != null && input != undefined) {
this.search.val(input);
if (input.length > 0) {
this.open();
}
}
},
// multi
onSelect: function (data) {
this.addSelectedChoice(data);
if (this.select) { this.postprocessResults(); }
if (this.opts.closeOnSelect) {
this.close();
this.search.width(10);
} else {
if (this.countSelectableResults()>0) {
this.search.width(10);
this.resizeSearch();
this.positionDropdown();
} else {
// if nothing left to select close
this.close();
}
}
// since its not possible to select an element that has already been
// added we do not need to check if this is a new element before firing change
this.triggerChange({ added: data });
//this.focusSearch();
},
// multi
cancel: function () {
this.close();
this.focusSearch();
},
// multi
addSelectedChoice: function (data) {
var choice=$(
"<li style="padding-left: 5px;"><div></div></li>"),
id = this.id(data),
val = this.getVal(),
formatted;
formatted=this.opts.formatSelection(data, choice);
choice.find("div").replaceWith("<div>"+formatted+"</div>");
/*
choice.find(".esel2-search-choice-close")
.bind("mousedown", killEvent)
.bind("click dblclick", this.bind(function (e) {
if (!this.enabled) return;
$(e.target).closest(".esel2-search-choice").fadeOut('fast', this.bind(function(){
this.unselect($(e.target));
this.selection.find(".esel2-search-choice-focus").removeClass("esel2-search-choice-focus");
this.close();
this.focusSearch();
})).dequeue();
killEvent(e);
})).bind("focus", this.bind(function () {
if (!this.enabled) return;
this.container.addClass("esel2-container-active");
this.dropdown.addClass("esel2-drop-active");
}));
choice.data("esel2-data", data);*/
choice.insertBefore(this.searchContainer);
val.push(id);
this.setVal(val);
},
// multi
unselect: function (selected) {
var val = this.getVal(),
data,
index;
selected = selected.closest(".esel2-search-choice");
if (selected.length === 0) {
throw "Invalid argument: " + selected + ". Must be .esel2-search-choice";
}
data = selected.data("esel2-data");
index = indexOf(this.id(data), val);
if (index >= 0) {
val.splice(index, 1);
this.setVal(val);
if (this.select) this.postprocessResults();
}
selected.remove();
this.triggerChange({ removed: data });
},
// multi
postprocessResults: function () {
var val = this.getVal(),
choices = this.results.find(".esel2-result-selectable"),
compound = this.results.find(".esel2-result-with-children"),
self = this;
choices.each2(function (i, choice) {
var id = self.id(choice.data("esel2-data"));
if (indexOf(id, val) >= 0) {
choice.addClass("esel2-disabled").removeClass("esel2-result-selectable");
} else {
choice.removeClass("esel2-disabled").addClass("esel2-result-selectable");
}
});
compound.each2(function(i, e) {
if (e.find(".esel2-result-selectable").length==0) {
e.addClass("esel2-disabled");
} else {
e.removeClass("esel2-disabled");
}
});
choices.each2(function (i, choice) {
if (!choice.hasClass("esel2-disabled") && choice.hasClass("esel2-result-selectable")) {
self.highlight(0);
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, this.opts.separator);
}
},
// 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(this.opts.separator));
}
},
// multi
val: function () {
var val, data = [], self=this;
if (arguments.length === 0) {
return this.getVal();
}
val = arguments[0];
if (!val) {
this.opts.element.val("");
this.updateSelection([]);
this.clearSearch();
return;
}
// val is a list of ids
this.setVal(val);
if (this.select) {
this.select.find(":selected").each(function () {
data.push({id: $(this).attr("value"), text: $(this).text()});
});
this.updateSelection(data);
} else {
if (this.opts.initSelection === undefined) {
throw new Error("val() cannot be called if initSelection() is not defined")
}
this.opts.initSelection(this.opts.element, function(data){
var ids=$(data).map(self.id);
self.setVal(ids);
self.updateSelection(data);
self.clearSearch();
});
}
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 dragStarted, we resize it here
this.resizeSearch();
// update selection
this.selection.find(".esel2-search-choice").each(function() {
val.push(self.opts.id($(this).data("esel2-data")));
});
this.setVal(val);
this.triggerChange();
},
// multi
data: function(values) {
var self=this, ids;
if (arguments.length === 0) {
return this.selection
.find(".esel2-search-choice")
.map(function() { return $(this).data("esel2-data"); })
.get();
} else {
if (!values) { values = []; }
ids = $.map(values, function(e) { return self.opts.id(e)});
this.setVal(ids);
this.updateSelection(values);
this.clearSearch();
}
}
});
$.fn.esel2 = function () {
var args = Array.prototype.slice.call(arguments, 0),
opts,
esel2,
value, multiple, allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "onSortStart", "onSortEnd", "enable", "disable", "positionDropdown", "data"];
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;}
}
esel2 = multiple ? new MultiEsel2() : new SingleEsel2();
esel2.init(opts);
} else if (typeof(args[0]) === "string") {
if (indexOf(args[0], allowedMethods) < 0) {
throw "Unknown method: " + args[0];
}
value = undefined;
esel2 = $(this).data("esel2");
if (esel2 === undefined) return;
if (args[0] === "container") {
value=esel2.container;
} else {
value = esel2[args[0]].apply(esel2, args.slice(1));
}
if (value !== undefined) {return false;}
} else {
throw "Invalid arguments to esel2 plugin: " + args;
}
});
return (value === undefined) ? this : value;
};
// plugin defaults, accessible to users
$.fn.esel2.defaults = {
width: "copy",
closeOnSelect: true,
openOnEnter: true,
containerCss: {},
dropdownCss: {},
containerCssClass: "",
dropdownCssClass: "",
formatResult: function(result, container, query) {
var markup=[];
markMatch(result.text, query.term, markup);
return markup.join("");
},
formatSelection: function (data, container) {
return data ? data.text : undefined;
},
formatResultCssClass: function(data) {return undefined;},
formatNoMatches: function () { return "No matches found"; },
formatInputTooShort: function (input, min) { return "Please enter " + (min - input.length) + " more characters"; },
formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
formatLoadMore: function (pageNumber) { return "Loading more results..."; },
formatSearching: function () { return "Searching..."; },
postRender: function( term ) { },
minimumResultsForSearch: 0,
minimumInputLength: 0,
maximumSelectionSize: 0,
id: function (e) { return e.id; },
matcher: function(term, text) {
return text.toUpperCase().indexOf(term.toUpperCase()) >= 0;
},
separator: ",",
tokenSeparators: [],
tokenizer: defaultTokenizer,
escapeMarkup: function (markup) {
if (markup && typeof(markup) === "string") {
return markup.replace(/&/g, "&");
}
return markup;
},
blurOnChange: false
};
// exports
window.OCSEsel2 = {
query: {
ajax: ajax,
local: local,
tags: tags
}, util: {
debounce: debounce,
markMatch: markMatch
}, "class": {
"abstract": AbstractEsel2,
"single": SingleEsel2,
"multi": MultiEsel2
}
};
}(jQuery));
?>