Linked/chained MagicSuggest dropdowns? - php

Question

I am trying to build a set of linked/chained multiselect boxes using MagicSuggest and a php query. So, first I build a MagicSuggest box with a function for when ms1 is changed:
$(document).ready(function() {
var ms1 = $('#ms1').magicSuggest({
data: 'datams1.php',
displayField: 'name' });
$(ms1).on('selectionchange', function(event, combo, selection){
run(selection);});
});
Then I build a new MagicSuggest box by running a php query that returns a json object:
function run(country) {
$.getJSON("query.php", { id: country[0].id}, callbackFuncWithData );
}
function callbackFuncWithData(region) {
var ms2 = $('#ms2').magicSuggest({
data: region,
displayField: 'name'
});
}
This works once I make an initial selection, but does not update if I change the selection. I have checked and within my "callbackFuncWithData" I am producing an updated "region" json object. So it might just be that I need to refresh/reload my #ms2 object.
My questions are:
Is there a way to force an refresh of the MagicSuggest data?
Is there a better/cleaner/more efficient way to use the results of one MagicSuggest box to query and return the data for a second, linked MagicSuggest box?
Thanks!

Answer 1

use setData() method to dynamically set the data when needed.
you can always use a library like angular to bind the component properties together.

Answer 2

This code makes 2 linked combos with the same data, but one of them shows the "name" field and the other one shows the "name1" filed.
function reflectSelection(ms1, ms2){
var val = parseInt(ms1.getValue());
var val1 = parseInt(ms2.getValue());
if(!isNaN(val)){
if(val != val1){
ms2.clear(true);
ms2.setSelection(ms1.getSelection());
}
}
else
{
ms2.clear(true);
}
}
var msName = $('#ms-onselectionchange').magicSuggest({
maxSelectionRenderer: function(){ return ''; },
useTabKey: true,
noSuggestionText: '',
strictSuggest: true,
maxSelection: 1,
allowFreeEntries: false,
placeholder : '',
data: [{'id':0, 'name':'Paris', 'name1':'Paris5'}, {'id':1, 'name':'New York', 'name1':'New York5'}],
});
var msName1 = $('#ms-onselectionchange1').magicSuggest({
maxSelectionRenderer: function(){ return ''; },
useTabKey: true,
noSuggestionText: '',
displayField: 'name1',
strictSuggest: true,
maxSelection: 1,
allowFreeEntries: false,
placeholder : '',
data: [{'id':0, 'name':'Paris', 'name1':'Paris5'}, {'id':1, 'name':'New York', 'name1':'New York5'}],
});
$(msName).on('selectionchange', function(e,m){
reflectSelection(msName, msName1);
});
$(msName1).on('selectionchange', function(e,m){
reflectSelection(msName1, msName);
});