Различные манипуляции с ExtJS в админке MODX Revolution с помощью плагина

adminkaExtJS.php

<?php
$eventName = $modx->event->name;
switch($eventName) {
    case 'pdoToolsOnFenomInit':
        $fenom->addModifier('lazy', function ($html) use ($modx) {
            libxml_use_internal_errors(true);
            $dom = new DOMDocument();
            $dom->loadHTML('<?xml encoding="utf-8" ?>' . (string)$html);
            $output = $html;
            //img
            $imgs = $dom->getElementsByTagName('img');
            foreach($imgs as $img){
                $attr = $img->getAttribute('class');
                if(stripos($attr, 'lazy') === false){
                    $tmp = $dom->saveHTML($img);
                    $img->setAttribute('class', 'lazy ' . $img->getAttribute('class'));
                    $img->setAttribute('data-src', $img->getAttribute('src'));
                    $img->removeAttribute('src');
                    $output = str_replace(array($tmp, str_replace('>', ' />', $tmp), str_replace('>', '/>', $tmp)), $dom->saveHTML($img), $output);
                }
            }
            //iframe
            $imgs = $dom->getElementsByTagName('iframe');
            foreach($imgs as $img){
                $attr = $img->getAttribute('class');
                if(stripos($attr, 'lazy') === false){
                    $tmp = $dom->saveHTML($img);
                    $img->setAttribute('class', 'lazy ' . $img->getAttribute('class'));
                    $img->setAttribute('data-src', $img->getAttribute('src'));
                    $img->removeAttribute('src');
                    $output = str_replace(array($tmp), $dom->saveHTML($img), $output);
                }
            }
            return $output;
        });
    break;
    case 'OnDocFormPrerender':
      $script = '
let res = Ext.getCmp("modx-panel-resource");
if(typeof res != "undefined" && res.record.template == 1){
  Ext.getCmp("modx-resource-tabs").insert(2, {
      title: "Блоки страницы",
      cls: "x-panel-body main-wrapper x-panel-body-noheader",
      id: "blocks-resource-tab",
      width: "95%",
      listeners: {
          render: function () {
              MODx.moveTV(["tv2"],"blocks-resource-tab");
              var a = Ext.getCmp(\'blocks-resource-tab\');
              var myPanel = new Ext.Panel({
                    title    : \'Редактирование текстовых блоков на странице\',
                    frame    : true,
                    autoWidth: true,
                    id : \'-vdv-block\',
                    cls: \'x-panel-body main-wrapper x-panel-body-noheader x-panel-body-noborder x-form-label-top\',
                    layout:\'column\',
                              autoLoad: {
                        url: "/assets/components/vdv/home.html",
                        scripts : true
                    },
              })
              a.insert(1, myPanel);
              this.doLayout();
          }
      }
  });
}

if(typeof res != "undefined" && res.record.template == 2){
  Ext.getCmp("modx-resource-tabs").insert(2, {
      title: "Блоки страницы",
      cls: "x-panel-body main-wrapper x-panel-body-noheader x-panel-body-noborder x-form-label-top",
      id: "blocks-resource-tab",
      width: "95%",
      listeners: {
          render: function () {
              MODx.moveTV(["tv1"],"blocks-resource-tab");
              this.doLayout();
          }
      }
  });
}

if(typeof res != "undefined" && res.record.template == 6){
  Ext.getCmp("modx-resource-tabs").insert(2, {
      title: "Блоки страницы",
      cls: "x-panel-body main-wrapper x-panel-body-noheader x-panel-body-noborder x-form-label-top",
      id: "blocks-resource-tab",
      width: "95%",
      listeners: {
          render: function () {
              MODx.moveTV(["tv3"],"blocks-resource-tab");
              this.doLayout();
          }
      }
  });
}

if(typeof res != "undefined" && (res.record.template == 8 || res.record.template == 11)){
  Ext.getCmp("modx-resource-tabs").insert(2, {
      title: "Блоки страницы",
      cls: "x-panel-body main-wrapper x-panel-body-noheader x-panel-body-noborder x-form-label-top",
      id: "blocks-resource-tab",
      width: "95%",
      listeners: {
          render: function () {
              MODx.moveTV(["tv4"],"blocks-resource-tab");
              MODx.moveTV(["tv5"],"blocks-resource-tab");
              this.doLayout();
          }
      }
  });
}

if(typeof res != "undefined" && (res.record.template == 9 || res.record.template == 10)){
  Ext.getCmp("modx-resource-tabs").insert(2, {
      title: "Блоки страницы",
      cls: "x-panel-body main-wrapper x-panel-body-noheader x-panel-body-noborder x-form-label-top",
      id: "blocks-resource-tab",
      width: "95%",
      listeners: {
          render: function () {
              MODx.moveTV(["tv7"],"blocks-resource-tab");
              MODx.moveTV(["tv4"],"blocks-resource-tab");
              MODx.moveTV(["tv6"],"blocks-resource-tab");
              MODx.moveTV(["tv3"],"blocks-resource-tab");
              this.doLayout();
          }
      }
  });
}
        ';

        $modx->controller->addHtml('<script>
        Ext.ComponentMgr.onAvailable("modx-panel-resource", function (e) {
    		    var res = Ext.getCmp("modx-panel-resource");
    		    res.on("success", function(){
    		      var current_tab = Ext.getCmp(\'modx-resource-tabs\').getActiveTab().id;
    		      setTimeout(function(){
    		        current_tab_next = Ext.getCmp(\'modx-resource-tabs\').getActiveTab().id;
    		        if(current_tab != current_tab_next){
    		          Ext.getCmp(\'modx-resource-tabs\').setActiveTab(current_tab);
    		        }
    		      }, 150);
    		    });
    		   
    		});

    		MODx.on("ready",function() {
    			' . $script . ';
    		});
    	</script>');
    break;
    case 'OnMODXInit':
    case 'OnManagerPageInit':
      $modx->regClientStartupHTMLBlock("<script>var HTTP_HOST = '".$modx->getOption('http_host')."';var SUCCESS_SUMBIT_URL = '".$modx->makeUrl(4, '', '', 'full')."';</script>");
    break;
}