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ListGrid expressionFilter not working correctly

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Hi Isomorphic, we are having an issue with ListGrids using the property "allowFilterExpresions: true"

bug: the filter editor criteria is cleared the first time you filter. The filter is still aplied. From then on the filter editor works normally. No messages on the developer console

SC version: "v10.0p_2015-07-27/LGPL Development Only"

browser: firefox dev edition 41.0a2 , Chrome 44.0.2403.155 m, IE 11

OS: windows 7

this is the example code:

Code:

var data_$$ = [
    {pkField: 6, fieldA: 'valA6', fieldB: 'valB6'},
    {pkField: 7, fieldA: 'valA7', fieldB: 'valB7'},
    {pkField: 8, fieldA: 'valA8', fieldB: 'valB8'},
    {pkField: 9, fieldA: 'valA9', fieldB: 'valB9'},
    {pkField: 1, fieldA: 'valA1 - to be removed', fieldB: 'valB1'},
    {pkField: 2, fieldA: 'valA2', fieldB: 'valB2'},
    {pkField: 3, fieldA: 'valA3', fieldB: 'valB3'},
    {pkField: 4, fieldA: 'valA4', fieldB: 'valB4'},
    {pkField: 5, fieldA: 'valA5', fieldB: 'valB5'},
    {pkField: 6, fieldA: 'valA6', fieldB: 'valB6'},
    {pkField: 7, fieldA: 'valA7', fieldB: 'valB7'},
    {pkField: 8, fieldA: 'valA8', fieldB: 'valB8'},
    {pkField: 9, fieldA: 'valA9', fieldB: 'valB9'},
    {pkField: 10, fieldA: 'valA10', fieldB: 'valB10'},
    {pkField: 11, fieldA: 'valA11', fieldB: 'valB11'},
    {pkField: 12, fieldA: 'valA12', fieldB: 'valB12'},
    {pkField: 13, fieldA: 'valA13', fieldB: 'valB13'},
    {pkField: 14, fieldA: 'valA14', fieldB: 'valB14'},
    {pkField: 15, fieldA: 'valA15', fieldB: 'valB15'},
    {pkField: 16, fieldA: 'valA16', fieldB: 'valB16'},
    {pkField: 17, fieldA: 'valA17', fieldB: 'valB17'},
    {pkField: 18, fieldA: 'valA18', fieldB: 'valB18'},
    {pkField: 19, fieldA: 'valA19', fieldB: 'valB19'},
    {pkField: 20, fieldA: 'valA20', fieldB: 'valB20'},
    {pkField: 21, fieldA: 'valA21', fieldB: 'valB21'},
    {pkField: 22, fieldA: 'valA22', fieldB: 'valB22'},
    {pkField: 23, fieldA: 'valA23', fieldB: 'valB23'},
    {pkField: 24, fieldA: 'valA24', fieldB: 'valB24'},
    {pkField: 25, fieldA: 'valA25', fieldB: 'valB25'},
    {pkField: 26, fieldA: 'valA26', fieldB: 'valB26'},
    {pkField: 27, fieldA: 'valA27', fieldB: 'valB27'},
    {pkField: 28, fieldA: 'valA28', fieldB: 'valB28'},
    {pkField: 29, fieldA: 'valA29', fieldB: 'valB29'},
    {pkField: 30, fieldA: 'valA30', fieldB: 'valB30'},
    {pkField: 31, fieldA: 'valA31', fieldB: 'valB31'},
    {pkField: 32, fieldA: 'valA32', fieldB: 'valB32'},
    {pkField: 33, fieldA: 'valA33', fieldB: 'valB33'},
    {pkField: 34, fieldA: 'valA34', fieldB: 'valB34'},
    {pkField: 35, fieldA: 'valA35', fieldB: 'valB35'},
    {pkField: 36, fieldA: 'valA36', fieldB: 'valB36'},
    {pkField: 37, fieldA: 'valA37', fieldB: 'valB37'},
    {pkField: 38, fieldA: 'valA38', fieldB: 'valB38'},
    {pkField: 39, fieldA: 'valA39', fieldB: 'valB39'},
    {pkField: 40, fieldA: 'valA40', fieldB: 'valB40'},
    {pkField: 41, fieldA: 'valA41', fieldB: 'valB41'},
    {pkField: 42, fieldA: 'valA42', fieldB: 'valB42'},
    {pkField: 43, fieldA: 'valA43', fieldB: 'valB43'},
    {pkField: 44, fieldA: 'valA44', fieldB: 'valB44'},
    {pkField: 45, fieldA: 'valA45', fieldB: 'valB45'},
    {pkField: 46, fieldA: 'valA46', fieldB: 'valB46'},
    {pkField: 47, fieldA: 'valA47', fieldB: 'valB47'},
    {pkField: 48, fieldA: 'valA48', fieldB: 'valB48'},
    {pkField: 49, fieldA: 'valA49', fieldB: 'valB49'},
    {pkField: 50, fieldA: 'valA50', fieldB: 'valB50'},
    {pkField: 51, fieldA: 'valA51', fieldB: 'valB51'},
    {pkField: 52, fieldA: 'valA52', fieldB: 'valB52'},
    {pkField: 53, fieldA: 'valA53', fieldB: 'valB53'},
    {pkField: 54, fieldA: 'valA54', fieldB: 'valB54'},
    {pkField: 55, fieldA: 'valA55', fieldB: 'valB55'},
    {pkField: 56, fieldA: 'valA56', fieldB: 'valB56'},
    {pkField: 57, fieldA: 'valA57', fieldB: 'valB57'},
    {pkField: 58, fieldA: 'valA58', fieldB: 'valB58'},
    {pkField: 59, fieldA: 'valA59', fieldB: 'valB59'},
    {pkField: 60, fieldA: 'valA60', fieldB: 'valB60'},
    {pkField: 61, fieldA: 'valA61', fieldB: 'valB61'},
    {pkField: 62, fieldA: 'valA62', fieldB: 'valB62'},
    {pkField: 63, fieldA: 'valA63', fieldB: 'valB63'},
    {pkField: 64, fieldA: 'valA64', fieldB: 'valB64'},
    {pkField: 65, fieldA: 'valA65', fieldB: 'valB65'},
    {pkField: 66, fieldA: 'valA66', fieldB: 'valB66'},
    {pkField: 67, fieldA: 'valA67', fieldB: 'valB67'},
    {pkField: 68, fieldA: 'valA68', fieldB: 'valB68'},
    {pkField: 69, fieldA: 'valA69', fieldB: 'valB69'},
    {pkField: 70, fieldA: 'valA70', fieldB: 'valB70'},
    {pkField: 71, fieldA: 'valA71', fieldB: 'valB71'},
    {pkField: 72, fieldA: 'valA72', fieldB: 'valB72'},
    {pkField: 73, fieldA: 'valA73', fieldB: 'valB73'},
    {pkField: 74, fieldA: 'valA74', fieldB: 'valB74'},
    {pkField: 75, fieldA: 'valA75', fieldB: 'valB75'},
    {pkField: 76, fieldA: 'valA76', fieldB: 'valB76'},
    {pkField: 77, fieldA: 'valA77', fieldB: 'valB77'},
    {pkField: 78, fieldA: 'valA78', fieldB: 'valB78'},
    {pkField: 79, fieldA: 'valA79', fieldB: 'valB79'},
    {pkField: 80, fieldA: 'valA80', fieldB: 'valB80'},
    {pkField: 81, fieldA: 'valA81', fieldB: 'valB81'},
    {pkField: 82, fieldA: 'valA82', fieldB: 'valB82'},
    {pkField: 83, fieldA: 'valA83', fieldB: 'valB83'},
    {pkField: 84, fieldA: 'valA84', fieldB: 'valB84'},
    {pkField: 85, fieldA: 'valA85', fieldB: 'valB85'},
    {pkField: 86, fieldA: 'valA86', fieldB: 'valB86'},
    {pkField: 87, fieldA: 'valA87', fieldB: 'valB87'},
    {pkField: 88, fieldA: 'valA88', fieldB: 'valB88'},
    {pkField: 89, fieldA: 'valA89', fieldB: 'valB89'},
    {pkField: 90, fieldA: 'valA90', fieldB: 'valB90'},
    {pkField: 91, fieldA: 'valA91', fieldB: 'valB91'},
    {pkField: 92, fieldA: 'valA92', fieldB: 'valB92'},
    {pkField: 93, fieldA: 'valA93', fieldB: 'valB93'},
    {pkField: 94, fieldA: 'valA94', fieldB: 'valB94'},
    {pkField: 95, fieldA: 'valA95', fieldB: 'valB95'},
    {pkField: 96, fieldA: 'valA96', fieldB: 'valB96'},
    {pkField: 97, fieldA: 'valA97', fieldB: 'valB97'},
    {pkField: 98, fieldA: 'valA98', fieldB: 'valB98'},
    {pkField: 99, fieldA: 'valA99', fieldB: 'valB99'},
    {pkField: 100, fieldA: 'valA100', fieldB: 'valB100'}
];

isc.RestDataSource.create({
    ID: "DS_$$",
    testData: data_$$,
    clientOnly: true,
    fields: [
        {name: "pkField", type: "sequence", primaryKey: true, hidden: true},
        {name: "fieldA", type: "text"},
        {name: "fieldB", type: "text"}
    ]
});

isc.ListGrid.create({
    ID: "list_$$",
    height: "100%",
    width: "100%",
    autoFetchData: true,
    dataSource: DS_$$,
    showFilterEditor: true,
    sortField: "fieldA",
  allowFilterExpressions:true,
    fields: [
        {name: "fieldA"},
        {name: "fieldB"}
    ]
});

we tried the same example with version: "v10.0p_2015-02-19/LGPL Deployment" and it worked ok

Also, probably related to this, the filterExpression feature is not working on your live demo:
http://www.smartclient.com/#expressionFilter
if you try to filter on it using a simple string value you get no response from the grid and this error on the console:
"Uncaught TypeError: Cannot read property 'length' of undefined"
the same example works fine on

http://www.smartclient.com/docs/10.0/a/system/reference/SmartClient
_Explorer.html#expressionFilter

please advice.
best regards

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