manager/templates/default/element/tv/renders/input/textbox.tpl
<input id="tv{$tv->id}" name="tv{$tv->id}"
type="text" class="textfield"
value="{$tv->get('value')|escape}"
{$style|default}
tvtype="{$tv->type}"
/>
<script>
// <![CDATA[
{literal}
Ext.onReady(function() {
var fld = MODx.load({
{/literal}
xtype: 'textfield'
,applyTo: 'tv{$tv->id}'
,width: '99%'
,enableKeyEvents: true
,msgTarget: 'under'
,allowBlank: {if $params.allowBlank == 1 || $params.allowBlank == 'true'}true{else}false{/if}
{if $params.minLength|default},minLength: {$params.minLength|default}{/if}
{if $params.maxLength|default},maxLength: {$params.maxLength|default}{/if}
{if $params.regex|default},regex: new RegExp('{$params.regex|default}'){/if}
{if $params.regexText|default},regexText: '{$params.regexText|default}'{/if}
{literal}
,listeners: { 'keydown': { fn:MODx.fireResourceFormChange, scope:this}}
});
Ext.getCmp('modx-panel-resource').getForm().add(fld);
MODx.makeDroppable(fld);
});
{/literal}
// ]]>
</script>