select2 with ajax source, fixes #264

This commit is contained in:
vitalets
2013-06-22 21:01:26 +04:00
parent 80ce493ac0
commit a0fbbaf0af
5 changed files with 340 additions and 160 deletions

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@@ -6,19 +6,19 @@ You should manually include select2 distributive:
<link href="select2/select2.css" rel="stylesheet" type="text/css"></link>
<script src="select2/select2.js"></script>
For make it **Bootstrap-styled** you can use css from [here](https://github.com/t0m/select2-bootstrap-css):
To make it **Bootstrap-styled** you can use css from [here](https://github.com/t0m/select2-bootstrap-css):
<link href="select2-bootstrap.css" rel="stylesheet" type="text/css"></link>
**Note:** currently `ajax` source for select2 is not supported, as it's not possible to load it in closed select2 state.
The solution is to load source manually and assign statically.
**Note:** currently `autotext` feature does not work for select2 with `ajax` remote source.
You need initially put both `data-value` and element's text youself.
@class select2
@extends abstractinput
@since 1.4.1
@final
@example
<a href="#" id="country" data-type="select2" data-pk="1" data-value="ru" data-url="/post" data-original-title="Select country"></a>
<a href="#" id="country" data-type="select2" data-pk="1" data-value="ru" data-url="/post" data-title="Select country"></a>
<script>
$(function(){
$('#country').editable({
@@ -39,56 +39,42 @@ $(function(){
var Constructor = function (options) {
this.init('select2', options, Constructor.defaults);
options.select2 = options.select2 || {};
var that = this,
mixin = { //mixin to select2 options
placeholder: options.placeholder
};
//detect whether it is multi-valued
this.isMultiple = options.select2.tags || options.select2.multiple;
//if not `tags` mode, we need define initSelection to set data from source
if(!options.select2.tags) {
if(options.source) {
mixin.data = options.source;
}
//this function can be defaulted in seletc2. See https://github.com/ivaynberg/select2/issues/710
mixin.initSelection = function (element, callback) {
//temp: try update results
/*
if(options.select2 && options.select2.ajax) {
console.log('attached');
var original = $(element).data('select2').postprocessResults;
console.log(original);
$(element).data('select2').postprocessResults = function(data, initial) {
console.log('postprocess');
// this.element.triggerHandler('loaded', [data]);
original.apply(this, arguments);
}
this.sourceData = null;
//if not `tags` mode, use source
if(!options.select2.tags && options.source) {
var source = options.source;
//if source is function, call it (once!)
if ($.isFunction(options.source)) {
source = options.source.call(options.scope);
}
// $(element).on('loaded', function(){console.log('loaded');});
$(element).data('select2').updateResults(true);
if (typeof source === 'string') {
options.select2.ajax = options.select2.ajax || {};
//some default ajax params
if(!options.select2.ajax.data) {
options.select2.ajax.data = function(term) {return { query:term };};
}
*/
var val = that.str2value(element.val()),
data = $.fn.editableutils.itemsByValue(val, mixin.data, 'id');
//for single-valued mode should not use array. Take first element instead.
if($.isArray(data) && data.length && !that.isMultiple) {
data = data[0];
if(!options.select2.ajax.results) {
options.select2.ajax.results = function(data) { return {results:data };};
}
callback(data);
};
}
options.select2.ajax.url = source;
} else {
//todo: possible convert x-editable source to select2 source format
options.select2.data = source;
this.sourceData = source;
}
}
//overriding objects in config (as by default jQuery extend() is not recursive)
this.options.select2 = $.extend({}, Constructor.defaults.select2, mixin, options.select2);
this.options.select2 = $.extend({}, Constructor.defaults.select2, options.select2);
//detect whether it is multi-valued
this.isMultiple = this.options.select2.tags || this.options.select2.multiple;
this.isRemote = ('ajax' in this.options.select2);
};
$.fn.editableutils.inherit(Constructor, $.fn.editabletypes.abstractinput);
@@ -96,21 +82,17 @@ $(function(){
$.extend(Constructor.prototype, {
render: function() {
this.setClass();
//apply select2
this.$input.select2(this.options.select2);
//when data is loaded via ajax, we need to know when it's done
if('ajax' in this.options.select2) {
/*
console.log('attached');
var original = this.$input.data('select2').postprocessResults;
this.$input.data('select2').postprocessResults = function(data, initial) {
this.element.triggerHandler('loaded', [data]);
original.apply(this, arguments);
}
*/
//when data is loaded via ajax, we need to know when it's done to populate listData
if(this.isRemote) {
//listen to loaded event to populate data
this.$input.on('select2-loaded', $.proxy(function(e) {
this.sourceData = e.items.results;
}, this));
}
//trigger resize of editableform to re-position container in multi-valued mode
if(this.isMultiple) {
@@ -122,20 +104,16 @@ $(function(){
value2html: function(value, element) {
var text = '', data;
if(this.$input) { //called when submitting form and select2 already exists
data = this.$input.select2('data');
} else { //on init (autotext)
//here select2 instance not created yet and data may be even not loaded.
//we can check data/tags property of select config and if exist lookup text
if(this.options.select2.tags) {
data = value;
} else if(this.options.select2.data) {
data = $.fn.editableutils.itemsByValue(value, this.options.select2.data, 'id');
} else {
//if('ajax' in this.options.select2) {
}
if(this.options.select2.tags) { //in tags mode just assign value
data = value;
} else if(this.sourceData) {
data = $.fn.editableutils.itemsByValue(value, this.sourceData, 'id');
} else {
//can not get list of possible values (e.g. autotext for select2 with ajax source)
}
//data may be array (when multiple values allowed)
if($.isArray(data)) {
//collect selected data and show with separator
text = [];
@@ -156,7 +134,26 @@ $(function(){
},
value2input: function(value) {
this.$input.val(value).trigger('change', true); //second argument needed to separate initial change from user's click (for autosubmit)
//for remote source .val() is not working, need to look in sourceData
if(this.isRemote) {
//todo: check value for array
var item, items;
//if sourceData loaded, use it to get text for display
if(this.sourceData) {
items = $.fn.editableutils.itemsByValue(value, this.sourceData, 'id');
if(items.length) {
item = items[0];
}
}
//if item not found by sourceData, use element text (e.g. for the first show)
if(!item) {
item = {id: value, text: $(this.options.scope).text()};
}
//select2('data', ...) allows to set both id and text --> usefull for initial show when items are not loaded
this.$input.select2('data', item).trigger('change', true); //second argument needed to separate initial change from user's click (for autosubmit)
} else {
this.$input.val(value).trigger('change', true); //second argument needed to separate initial change from user's click (for autosubmit)
}
},
input2value: function() {