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Thread: Problems with forms, records and sliders

  1. #1
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    Default Problems with forms, records and sliders

    In my app I use a local store for personal patient data and a form where the user can edit their data.
    The problem is that the data in the store are not loaded into the form. The text and slider fields remain at null value when the form is displayed.
    The data are stored in the local store, though, as the Chrome debugger shows. The workaround below for loading the data works, but this is not the way to do it.
    Where am I going wrong?

    Code:
    Ext.define( 'BT.model.Patient', {
        extend: 'Ext.data.Model'
    ,    config: {
            fields: [
                {name: "id", type: "number" /* , default: "1" does not work with samsung} */ }
            ,    {name: "name", type: "string"}
            ,    {name: 'jahre', type: 'number' }
            ,    {name: 'gewicht', type: 'number' }
            ]
        ,    proxy: { 
                type: 'localstorage'
            ,     id: 'Patient' 
            }
        }
    });
    
    Ext.define( 'BT.store.Patient', {
        extend: 'Ext.data.Store'
    ,    requires: ['Ext.data.Store','BT.model.Patient']
    ,    config: {
            id: 'storePatient'
        ,    storeId: 'storePatient'
        ,    model: 'BT.model.Patient'
        ,    autoLoad: true
        ,    autoSync: true
        }
    });
    Ext.create('BT.store.Patient');
    
    
    
    Ext.define('BT.view.Patient', {
        extend: 'Ext.form.Panel'
    ,    requires: ['Ext.field.Slider', 'BT.store.Patient']
    ,    config: {
            id: 'formPatient'
        ,    title: 'Patient'
        ,    fields: ['name','jahre','gewicht']
        ,    iconCls: 'user'
        ,    iconMask: true
        ,    listeners: {
                initialize: function(obj, options) {
                    log( 'initialize...');
                    obj.storePatient = Ext.getStore( 'storePatient' );
                    if (obj.storePatient.data.length == 0) {
                        log('adding...');
                        obj.storePatient.add({id:1,name:'(Name des Kindes)',jahre:'0',gewicht:'0'});
                        obj.storePatient.sync();
                    } 
                    var theRecord = obj.storePatient.getAt(0);
                    log(theRecord);
                    obj.setRecord(theRecord);
                    console.log(obj.getRecord());
    //                obj.getRecord().save();
    // workaround for loading data into theh form
                    obj.getComponent('jahre').setValue(theRecord.get('jahre'));
                    obj.getComponent('name').setValue(theRecord.get('name'));
                    obj.getComponent('gewicht').setValue(theRecord.get('gewicht'));
                }
                    }
        ,    items: 
        [
            {
                xtype: 'toolbar'
            ,    docked: 'top'
            ,    items: [
                        {
                            xtype: 'button'
                        ,    text: 'Weiter'
                        ,    ui: 'forward'
                        ,    docked: 'right'
                        ,    handler: function() {this.getParent().getParent().getParent().setActiveItem(2);}
                        }
                ]
            }    
            ,    
            {
                xtype: 'textfield'
            ,    name: 'name'
            ,    id: 'name'
            ,    label: '$Name'
            ,    cls: 'w100'
            ,    listeners : {
                    change: function (obj, newValue, oldValue, options) { 
                        this.getParent().getRecord().set(this.getName(),this.getValue());
                    }
                }
            }
            , 
            {
                xtype: 'sliderfield'
            ,    name: 'jahre'
            ,    id: 'jahre'
            ,    label: '<div style="float:left">' + '$Alter' + '</div><div class="label_einheit_rechts"><span id="label_alter"></span></div>'
            ,    allowThumbsOverlapping: true
            ,    minValue: 5
            ,    maxValue: 15
            ,    listeners: {
                    change: function (obj, newValue, oldValue, options) { 
                        this.getParent().getRecord().set(this.getName(),this.getValue());
                    }
                ,    drag:     function(obj, slider, thumb, newValue, oldValue) {
                        document.getElementById('label_alter').innerHTML = (newValue > 0 ? newValue + ' ' + '$Jahre' : '');
                    }
                } 
            }
            , 
            {
                xtype: 'sliderfield'
            ,    name: 'gewicht'
            ,    id: 'gewicht'
            ,    label: '<div style="float:left">' + '$Gewicht' + '</div><div class="label_einheit_rechts"><span id="label_gewicht"></span></div>'
            ,    minValue: 5
            ,    maxValue: 70
            ,    listeners: {
                    change: function (obj, newValue, oldValue, options) { 
                        this.getParent().getRecord().set(this.getName(),this.getValue());
                    }
                ,    drag:     function(obj, slider, thumb, newValue, oldValue) {
                        document.getElementById('label_gewicht').innerHTML = (newValue > 0 ? newValue + ' ' + '$kg': '');
                    }
                }
            }
        ] // items
        }
    });

  2. #2
    Sencha - Sr Software Engineer mitchellsimoens's Avatar
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    Default

    So is the issue getting the record? Or apply the values from the record to the form?
    Mitchell Simoens @LikelyMitch
    Sencha Inc, Senior Software Engineer
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  3. #3
    Sencha User riyaad's Avatar
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    Default Applying the values from the record to the form?

    Hi, this is interesting and more or less what I'm looking for. Im my case, the question is more how does one
    apply the values from the record to the form?

  4. #4
    Sencha - Sr Software Engineer mitchellsimoens's Avatar
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    Default

    Quote Originally Posted by riyaad View Post
    Hi, this is interesting and more or less what I'm looking for. Im my case, the question is more how does one
    apply the values from the record to the form?
    The field names in the model has to match the field names in the form. Then you can do

    Code:
    form.setRecord(record)
    Mitchell Simoens @LikelyMitch
    Sencha Inc, Senior Software Engineer
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    https://github.com/mitchellsimoens

  5. #5
    Sencha User riyaad's Avatar
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    Default I've done

    ...not working =(

    NB: my form contains radio & select fields (shouldn't make a difference though)

    Code:
                    var myForm = Ext.getCmp('form');
                    var store  = Ext.getStore('User');
                    myForm.setRecord(store);
    field names in form matches of my model

    model
    Code:
    Ext.define('MyApp.model.User',{
        extend: 'Ext.data.Model',
    
    
        config: {
            fields:[
                'bouquet',
                'rated',
                'since',
                'age',
                'gender'
            ]
        }
    });
    No errors occur.. Any ideas? I'm know I'm missing something here!

  6. #6
    Sencha - Sr Software Engineer mitchellsimoens's Avatar
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    Default

    The names of the modal and fields match?
    Mitchell Simoens @LikelyMitch
    Sencha Inc, Senior Software Engineer
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  7. #7
    Sencha User riyaad's Avatar
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    Default In deed

    They match ... (in bold)

    Code:
       config: {
            items: [
                {
                    xtype: 'fieldset',
                    title: 'I am a ...',
                    instructions: 'Change your personal settings as desired.',
                    defaults: {
                        labelAlign: 'left',
                        labelWidth: labelwidth,
                        userClearIcon: true
                    },
                    items: [
                        {
                            xtype: 'radiofield',
                            name: 'gender',
                            label: 'Male:',
                            value: 'male',
                            //checked: true
                        },
                        {
                            xtype: 'radiofield',
                            name: 'gender',
                            label: 'Female:',
                            value: 'female'
                        }
                    ]
                },
                {
                    xtype: 'fieldset',
                    title: 'who was born in...',
    
    
                    items: [
                        {
                            xtype: 'spinnerfield',
                            id: 'age',
                            name: 'age',
                            minValue: minYear,
                            maxValue: maxYear,
                            increment: 1,
                            cycle: false
                            //value: '1975'
    
    
    
    
                        }
                    ]
                },
                {
                    xtype: 'fieldset',
                    title: 'and like...',
                    defaults: {
                        xtype: 'selectfield',
                        labelAlign: 'left',
                        labelWidth: labelwidth,
                        userClearIcon: true
                    },
                    items: [
                        {
                            label: 'Bouquet:',
                            name: 'bouquet',
                            valueField: 'bouquet_value',
                            displayField: 'bouquet_name',
                            store: 'Bouquet',
                            value: '7'
                        },
                        {
                            label: 'Movies made since:',
                            name: 'since',
                            valueField: 'since_value',
                            displayField: 'since_name',
                            store: 'Since'
                        },
                        {
                            label: 'Movies rated at least:',
                            name: 'rated',
                            valueField: 'rated_value',
                            displayField: 'rated_name',
                            store: 'Rated'
                        }
                    ]
                },
                {
                    xtype: 'button',
                    text: 'Save',
                    id: 'btnsave',
                    ui: 'confirm',
    
    
                    // Displays a 'Saving...' message
    
    
                    handler: function () {
                        Ext.Viewport.getActiveItem().setMasked({
                            xtype: 'loadmask',
                            message: 'Saving...'
                        });
    
    
                        setTimeout(function() {
                            Ext.Viewport.getActiveItem().setMasked(false);
                        }, 500);
    
    
    
    
                    }
                }
    
    
            ],

  8. #8
    Sencha - Sr Software Engineer mitchellsimoens's Avatar
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    Default

    For radio there is a bug/behavior that the getValue method of the radio/checkbox returns true/null not the actual value. If you override getValue method on the checkbox to return the _value then it should work then.
    Mitchell Simoens @LikelyMitch
    Sencha Inc, Senior Software Engineer
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  9. #9
    Sencha User riyaad's Avatar
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    Default

    My apologies Mitchell, but could you provide a sample of this "If you override getValue method on the checkbox to return the _value then it should work then." Thank you (really appreciated)

  10. #10
    Sencha - Sr Software Engineer mitchellsimoens's Avatar
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    Default

    Here is a quick test case I created

    Code:
    Ext.define('Override.field.Radio', {
        override : 'Ext.field.Radio',
    
        getValue : function() {
            return this._value;
        }
    });
    
    Ext.define('MyModel', {
        extend : 'Ext.data.Model',
    
        config : {
            fields : [
                'gender'
            ]
        }
    });
    
    Ext.application({
        name : 'Test',
    
        launch : function() {
    
            new Ext.form.Panel({
                fullscreen : true,
                items      : [
                    {
                        xtype : 'radiofield',
                        label : 'Male',
                        name  : 'gender',
                        value : 'male'
                    },
                    {
                        xtype : 'radiofield',
                        label : 'Female',
                        name  : 'gender',
                        value : 'female'
                    },
                    {
                        xtype   : 'button',
                        text    : 'Set Record',
                        handler : function(button) {
                            var form   = button.up('formpanel'),
                                record = new MyModel({
                                    gender : 'female'
                                });
            
                            form.setRecord(record);
                        }
                    }
                ]
            });
    
        }
    });
    Mitchell Simoens @LikelyMitch
    Sencha Inc, Senior Software Engineer
    ________________
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    Check out my GitHub, lots of nice things for Ext JS and Sencha Touch
    https://github.com/mitchellsimoens

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