Ext JS 6.0.0 Button margin property not work - extjs

Question

I have a button in a panel, and I need set a margin value, but the component not apply the value of margin, the EXT just ignore the margin property.
The follow code:
Ext.define('CadastroEnsaioWTD.view.typecalculated.TypeCalculatedItem', {
extend: 'Maestro.panel.Panel',
requires: [
'Maestro.form.Button',
'Maestro.form.TextField',
'Maestro.form.ComboBox'
],
alias: 'widget.typecalculateditemview',
layout: {
type: 'hbox',
align: 'middle'
},
width: '100%',
height: '100%',
initComponent: function () {
var me = this;
var config = {
defaults: {
width: 200,
node: me.node,
margin: '5 5 5 5',
labelSeparator: '',
xtype: 'maestro.form.textfield'
},
items: [
{
xtype: 'label',
html: '<b>' + me.alias + '</b>',
width: 100
},
{
width: 300,
xtype: 'maestro.form.combobox',
name: 'ENS_TIPO_DETERMINADO_CARACT'
},
{
xtype: 'maestro.form.combobox',
name: 'ENS_ENR_REFRIGERACAO_WTD'
},
{
name: 'ENS_PERC_CARGA_WTD'
},
{
name: 'ENS_COS_PHI'
},
{
width: 170,
xtype: 'maestro.form.combobox',
name: 'ENS_TIPO_ENR_APL_WTD'
},
{
width: 170,
xtype: 'maestro.form.combobox',
name: 'ENS_TIPO_ENR_CC_WTD'
},
{
name: 'ENS_ENR_TAP_TENSAO_APL'
},
{
name: 'ENS_ENR_TAP_TENSAO_CC'
},
{
name: 'ENS_POT_REF_WTD'
},
{
name: 'ENS_PERC_TENSAO_WTD'
},
{
width: 100,
name: 'ENS_TIPO_DETERMINADO_VAL'
},
{
width: 100,
xtype: 'maestro.form.combobox',
name: 'ENS_TIPO_DETERMINADO_UNID'
},
{
xtype: 'button',
text: '-',
width: 30,
style: 'border-radius: 7px;',
handler: function (btn) {
me.getObjectContextSynchronizer().executeServerRequest('deleteContextNode', [me.node]);
}
}
]
};
Ext.apply(this, config);
this.callParent();
}
});
And if I set the value by console of chrome after the component rendered, using Ext.getCmp('xxxx').setMargin('15 0 0 0') does not work, but if I use Ext.getCmp('xxxx').getEl().setMargin('15 0 0 0') works.
Did I do something wrong?

Answer 1

you should use style:'margin:5px;' instead of using margin property

Answer 2

You do it properly. I created working fiddle for you with button margins - Button & margin.
Try to play with it and repeat your issue.