phpmyadmin index highlighter

Highlights index fields, adds a link to the related table to foreign keys

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name           phpmyadmin index highlighter
// @author         ameboide
// @namespace      http://userscripts.org/scripts/show/117633
// @description    Highlights index fields, adds a link to the related table to foreign keys
// @include        */phpmyadmin/tbl_properties_structure.php*
// @include        */phpmyadmin/tbl_structure.php*
// @include        */phpmyadmin/db_structure.php*
// @version 0.0.1.20140705013815
// ==/UserScript==

//campos['nombre_del_campo'] = td
var listaCampos = document.querySelectorAll('#tablestructure tbody th');
var campos = {};
for(var i=0; i<listaCampos.length; i++){
	var campo = listaCampos[i];
	var txt = campo.textContent.trim();
	campos[txt] = campo;

	//id sin indice -> rojo claro / codigo sin indice -> rojo oscuro
	if(txt.match(/^id_|_id$/i)) campo.style.color = '#f00';
	else if(txt.match(/^codigo_|_codigo$/i)) campo.style.color = '#800';
}

//idx -> azul oscuro
var idxs = document.querySelectorAll('#table_indexes tbody tr:not(.tblFooters) td:last-of-type');
for(i=0; i<idxs.length; i++){
	var campo = campos[idxs[i].textContent.trim()];
	if(campo) campo.style.color = '#008';
}

var urlBase = document.querySelector('[href^="tbl_relation.php"]').href;

var matches = document.location.href.match(/\/(\w+\.php).*token=(\w+)/);
var url = matches[1];
var token = matches[2];

//FK -> link azul claro
function rellenar(claves){
	for(var campo in claves){
		if(!campos[campo]) continue;

		var s = claves[campo].split('.');
		var db = s[0];
		var tabla = s[1];
		var campo_fk = s[2];

		var a = document.createElement('a');
		a.href = url+'?db='+db+'&token='+token+'&table='+tabla;
		a.title = tabla+' . '+campo_fk;
		a.id = 'link_fk_' + campo;
		a.innerHTML = ' -&gt;';

		var link_viejo = document.getElementById(a.id);
		if(link_viejo) campos[campo].removeChild(link_viejo);

		campos[campo].appendChild(a);
		campos[campo].style.color = '#00f';
	}
}

//si ya habia visitado esta tabla, tengo las claves foraneas guardadas
var codigo_cache = document.location.host + ' : ' +
	urlBase.match(/(\?|&)db=(\w+)/)[2] + ' . ' +
	urlBase.match(/(\?|&)table=(\w+)/)[2];

var cache = GM_getValue(codigo_cache, null);
if(cache) rellenar(JSON.parse(cache));

//leer la pag de las claves foraneas (si estaba cacheado, leo igual para actualizar)
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function(){
	if (xhr.readyState == 4 && xhr.status == 200){
		try{
			var div = document.createElement('div');
			div.innerHTML = xhr.responseText;

			var claves = {};

			var opts = div.querySelectorAll('select[name^="destination"] option[selected]');
			for(var i=0; i<opts.length; i++){
				var opt = opts[i];
				var val = opt.value;

				while(opt.nodeName != 'TR') opt = opt.parentNode;
				var campo = opt.firstElementChild.textContent.trim();

				claves[campo] = val;
			}

			var claves_str = JSON.stringify(claves);
			//si no es lo mismo q tenia cacheado, vuelvo a rellenar con la info nueva
			if(claves_str != cache){
				//workaround para error raro
				setTimeout(function() {
					GM_setValue(codigo_cache, claves_str);
				}, 0);
				rellenar(claves);
			}
		}
		catch(e){}
	}
}
xhr.open('GET', urlBase, true);
xhr.send(null);