dynamicweb/static/django_select2/js/heavy_data.js

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if (!window['django_select2']) {
// This JS file can be included multiple times. So, as not to overwrite previous states, we run this only once.
window.django_select2 = {
MULTISEPARATOR: String.fromCharCode(31), // We use this unprintable char as separator,
// since this can't be entered by user.
get_url_params: function (term, page, context) {
var field_id = jQuery(this).data('field_id'),
res = {
'term': term,
'page': page,
'context': context
};
if (field_id) {
res['field_id'] = field_id;
}
return res;
},
process_results: function (data, page, context) {
var results;
if (data.err && data.err.toLowerCase() === 'nil') {
results = {
'results': data.results
};
if (context) {
results['context'] = context;
}
if (data.more === true || data.more === false) {
results['more'] = data.more;
}
} else {
results = {'results':[]};
}
if (results.results) {
jQuery(this).data('results', results.results);
} else {
jQuery(this).removeData('results');
}
return results;
},
onValChange: function () {
django_select2.updateText(jQuery(this));
},
prepareValText: function (vals, txts, isMultiple) {
var data = []
jQuery(vals).each(function (index) {
data.push({id: this, text: txts[index]});
});
if (isMultiple) {
return data;
} else {
if (data.length > 0) {
return data[0];
} else {
return null;
}
}
},
updateText: function ($e) {
var val = $e.select2('val'), data = $e.select2('data'), txt = $e.txt(), isMultiple = !!$e.attr('multiple'),
diff;
if (val || val === 0) { // Means value is set. A numerical 0 is also a valid value.
if (isMultiple) {
if (val.length !== txt.length) {
txt = [];
jQuery(val).each(function (idx) {
var i, value = this, id;
for (i in data) {
id = data [i].id;
if (id instanceof String) {
id = id.valueOf();
}
if (id == value) {
txt.push(data[i].text);
}
}
});
}
} else {
txt = data.text;
}
$e.txt(txt);
} else {
$e.txt('');
}
},
getValText: function ($e) {
var val = $e.select2('val'), res = $e.data('results'), txt = $e.txt(), isMultiple = !!$e.attr('multiple'),
f, id = $e.attr('id');
if (val || val === 0) { // Means value is set. A numerical 0 is also a valid value.
if (!isMultiple) {
val = [val];
if (txt || txt === 0) {
txt = [txt];
}
}
if (txt === 0 || (txt && val.length === txt.length)) {
return [val, txt];
}
f = $e.data('userGetValText');
if (f) {
txt = f($e, val, isMultiple);
if (txt || txt === 0) {
return [val, txt];
}
}
if (res) {
txt = [];
jQuery(val).each(function (idx) {
var i, value = this;
for (i in res) {
if (res[i].id == value) {
val[idx] = res[i].id; // To set it to correct data type.
txt.push(res[i].text);
}
}
});
if (txt || txt === 0) {
return [val, txt];
}
}
}
return null;
},
onInit: function (e, callback) {
e = jQuery(e);
var id = e.attr('id'), data = null, val = e.select2('val');
if (!val && val !== 0) {
val = e.data('initVal');
}
if (val || val === 0) {
// Value is set so need to get the text.
data = django_select2.getValText(e);
if (data && data[0]) {
data = django_select2.prepareValText(data[0], data[1], !!e.attr('multiple'));
}
}
if (!data) {
e.val(null); // Nulling out set value so as not to confuse users.
}
callback(data); // Change for 2.3.x
django_select2.updateText(e);
},
createSearchChoice: function(term, data) {
if (!data || jQuery(data).filter(function () {
return this.text.localeCompare(term) === 0;
}).length === 0) {
return {
id: term,
text: term
};
}
},
onMultipleHiddenChange: function () {
var $e = jQuery(this), valContainer = $e.data('valContainer'), name = $e.data('name'), vals = $e.val();
valContainer.empty();
if (vals) {
vals = vals.split(django_select2.MULTISEPARATOR);
jQuery(vals).each(function () {
var inp = jQuery('<input type="hidden">').appendTo(valContainer);
inp.attr('name', name);
inp.val(this);
});
}
},
initMultipleHidden: function ($e) {
var valContainer;
$e.data('name', $e.attr('name'));
$e.attr('name', '');
valContainer = jQuery('<div>').insertAfter($e).css({'display': 'none'});
$e.data('valContainer', valContainer);
$e.change(django_select2.onMultipleHiddenChange);
if ($e.val()) {
$e.change();
}
},
convertArrToStr: function (arr) {
return arr.join(django_select2.MULTISEPARATOR);
},
runInContextHelper: function (f, id) {
return function () {
var args = Array.prototype.slice.call(arguments, 0);
return f.apply(jQuery('#' + id).get(0), args);
}
},
logErr: function () {
if (console && console.error) {
args = Array.prototype.slice.call(arguments);
console.error.apply(console, args);
}
}
};
(function (isDebug) { // Only used for debugging.
if (isDebug) {
for (var i in django_select2) {
var f = django_select2[i];
if (typeof(f) == "function") {
django_select2[i] = (function (i, f) {
return function () {
console.log('Function ' + i + ' called for object: ', this);
return f.apply(this, arguments);
};
}(i, f));
}
}
}
}(false));
(function( $ ){
// This sets or gets the text lables for an element. It merely takes care returing array or single
// value, based on if element is multiple type.
$.fn.txt = function(val) {
if (typeof(val) !== 'undefined') {
if (val) {
if (val instanceof Array) {
if (this.attr('multiple')) {
val = django_select2.convertArrToStr(val);
} else {
val = val[0]
}
}
this.attr('txt', val);
} else {
this.removeAttr('txt');
}
return this;
} else {
val = this.attr('txt');
if (this.attr('multiple')) {
if (val) {
val = val.split(django_select2.MULTISEPARATOR);
} else {
val = [];
}
}
return val;
}
};
})( jQuery );
}