1. #1
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    Default Answered: numberfield value reading old value, not updated value

    Answered: numberfield value reading old value, not updated value


    When I set the value of a numberfield and then read it back, I get the old value not the new one.
    However the UI shows the new value. I'm assuming its either my code is reading back a cached value, or a timing issue.

    Can anyone tell me what is going on and help me fix this?

    Here are the snippets of my code

    View:
    Code:
    Ext.define('MyApp.view.view1', {
        extend : 'Ext.form.FormPanel',
        xtype : 'screen',
        config : {
              name : 'xyx',
              scrollable : {
                direction : 'vertical',
                directionLock : true
            },
            items : [
             {
                            xtype : 'numberfield',
                            name : 'hiddenName',
                            label : 'will be  hidden'
                        },
    ...
    Controller:

    Code:
         ...
            control : {
                
                 
                'screen component[name="anyOtherField"]' : {
                    change : "onChange"
                },
            ...
    
         onChange : function(field) {
             var form = field.up('screen');    
             var values = form.getValues();
             var myHidden = form.query('[name="hiddenName"]')[0];
             console.log (" value of myHidden is ", values.myHidden);  // displays value correctly
             myHidden.setValue("1") ; //  set the value to "1" which is displayed correctly on the user interface
             console.log (" value of myHidden is ", values.myHidden);  // displays old value not the new value
        },
    Thanks.

  2. String or number working for me:

    Code:
    new Ext.form.Panel({
        fullscreen : true,
        items      : [
            {
                xtype : 'numberfield',
                label : 'Test'
            },
            {
                xtype   : 'button',
                text    : 'Set Value',
                handler : function (button) {
                    var form = button.up('formpanel'),
                        field = form.down('numberfield');
    
                    console.log(field.getValue()); //null
    
                    field.setValue(2);
    
                    console.log(field.getValue()); //2
    
                    field.setValue('2');
    
                    console.log(field.getValue()); //2
                }
            }
        ]
    });

  3. #2
    Sencha - Senior Forum Manager mitchellsimoens's Avatar
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    Default


    Try setting the value of an actual number not a string.
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Forum Manager
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  4. #3
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    Default


    Mitchell, thanks for the suggestion.

    Unfortunately it makes no difference.
    I originally had it as a number which was the obvious choice, and changed to text when that didn't work.
    I have tried
    myHidden.setValue(1);
    and
    myHidden.setValue('1');


    Do you have another suggestion?

    Thanks



  5. #4
    Sencha - Senior Forum Manager mitchellsimoens's Avatar
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      0  

    Default


    String or number working for me:

    Code:
    new Ext.form.Panel({
        fullscreen : true,
        items      : [
            {
                xtype : 'numberfield',
                label : 'Test'
            },
            {
                xtype   : 'button',
                text    : 'Set Value',
                handler : function (button) {
                    var form = button.up('formpanel'),
                        field = form.down('numberfield');
    
                    console.log(field.getValue()); //null
    
                    field.setValue(2);
    
                    console.log(field.getValue()); //2
    
                    field.setValue('2');
    
                    console.log(field.getValue()); //2
                }
            }
        ]
    });
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Forum Manager
    ________________
    Check out my GitHub, lots of nice things for Ext JS 4 and Sencha Touch 2
    https://github.com/mitchellsimoens

    Think my support is good? Get more personalized support via a support subscription. https://www.sencha.com/store/

    Need more help with your app? Hire Sencha Services services@sencha.com

    Want to learn Sencha Touch 2? Check out Sencha Touch in Action that is in print!

    When posting code, please use BBCode's CODE tags.

  6. #5
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    Default


    Thanks very much.

    It appears that my 'values' in
    var values = form.getValues()
    does not change when the form is changed, your
    field.getValue()
    reads in the current value. Which all makes sense.

    Thanks again.

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