extjs - GeoExt: Change Filter via changing field name -


in geoext 2, have form 1 field , 2 radio buttons. coded radio buttons change name of field correspond convention of geoext. 

items: [     {         xtype: "numberfield",         itemid: 'parcel',         name: 'parcelatt__ge',         fieldlabel: 'parcel number:'     },     {         xtype: 'radiogroup',         fieldlabel: 'search type:',         columns: 2,         vertical:true,         items: [             {                 boxlabel: 'greater than',                 name: 'option',                 inputvalue: '1',                 submitvalue: false,                 checked: true,                 listeners: {                     change: function (field, newvalue, oldvalue) {                         if (newvalue) mypanel.down('#parcel').inputel.dom.name = 'parcelatt__ge';                     }                 }             },             {                 boxlabel: 'lower then',                 name: 'option',                 inputvalue: '2',                 submitvalue: false,                 listeners: {                     change: function (field, newvalue, oldvalue) {                         if (newvalue) mypanel.down('#parcel').inputel.dom.name = 'parcelatt__le';                     }                 }             },         ]     } ],

i can confirm (via firebug) above code changes field name in html, when submitting form, geoext not use new field name in setting openlayers filter.

any hint or solution?

unless have file upload field in form, extjs not use html form submission @ all, input element's name not used.

two possible solutions:

either can try whether can use setname function on field:

mypanel.down('#parcel').setname('parcelatt__le')

or have use 2 fields predefined names, , synchronize values between them:

items: [{     xtype: "numberfield",     itemid: 'parcelge',     name: 'parcelatt__ge',     fieldlabel: 'parcel number:' },{     xtype: "numberfield",     hidden: true,     itemid: 'parcelle',     name: 'parcelatt__le',     fieldlabel: 'parcel number:' },{     xtype: 'radiogroup',     fieldlabel: 'search type:',     columns: 2,     vertical:true,     simplevalue: true,     items: [{         boxlabel: 'greater than',         name: 'option',         inputvalue: 'ge',         submitvalue: false,         checked: true     },{         boxlabel: 'lower than',         name: 'option',         inputvalue: 'le',         submitvalue: false     }],     listeners: {         change: function (field, newvalue, oldvalue) {             var lefield = mypanel.query('#parcelle'),                 gefield = mypanel.query('#parcelge');             if(newvalue=='le') {                 lefield.show();                 gefield.hide();                 lefield.setvalue(gefield.getvalue());             }             else if(newvalue=='ge') {                 gefield.show();                 lefield.hide();                 gefield.setvalue(lefield.getvalue());             }         }     } }],

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