1.0TEQneers GmbH & Co. KGhttps://www.teqneers.de/en/Stefan Gehrighttps://www.teqneers.de/en/author/stefan/rich600338<blockquote class="wp-embedded-content" data-secret="3jZp8tnBKh"><a href="https://www.teqneers.de/en/2010/03/extjs-tree-grid/">ExtJS Tree Grid</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.teqneers.de/en/2010/03/extjs-tree-grid/embed/#?secret=3jZp8tnBKh" width="600" height="338" title="“ExtJS Tree Grid” — TEQneers GmbH & Co. KG" data-secret="3jZp8tnBKh" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.teqneers.de/wp-includes/js/wp-embed.min.js </script> We recently had to implement a user interface that included a editable grid displaying a tree-structure. Naturally we first turned our attention to the Ext.ux.tree.TreeGrid which was officially released with ExtJS 3.1. Sadly this component lacks the current high standard set by ExtJS components such as the Ext.grid.GridPanel, Ext.tree.TreePanel or the whole layout engine. Even […]