From 2118554cdc7a30ba45771e25dc007e8a27c008c3 Mon Sep 17 00:00:00 2001
From: Samir Benmendil <samir.benmendil@gmail.com>
Date: Sun, 12 Jan 2014 21:06:15 +0100
Subject: [PATCH] dwb: add wiki table filter script

---
 .../wikipedia.table.filter.user.js            | 102 ++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 dwb/greasemonkey/wikipedia.table.filter.user.js

diff --git a/dwb/greasemonkey/wikipedia.table.filter.user.js b/dwb/greasemonkey/wikipedia.table.filter.user.js
new file mode 100644
index 0000000..2b42d7c
--- /dev/null
+++ b/dwb/greasemonkey/wikipedia.table.filter.user.js
@@ -0,0 +1,102 @@
+// ==UserScript==
+// @name           Wikipedia Table filter
+// @namespace      benibela
+// @include        https?://*.wikipedia.org/wiki/*
+// ==/UserScript==
+
+
+var tables = document.getElementsByClassName("wikitable");
+var hiddenLists = new Array();
+var hiddenNames = new Array();
+var hiddenPropertiesDisplay = "";
+
+if (tables.length > 0) {
+
+function stringContains(str, list) {
+  for (var i=0;i<list.length;i++)
+    if (str == list[i] || (list[i] > 3 && str.indexOf(list[i]) >= 0)) return true;
+  return false;
+}
+
+function arrayIndexOf(ar, v) {
+  for (var i=0;i<ar.length;i++) if (ar[i] == v) return i;
+  return -1;
+}
+function arrayContains(ar, v) {
+  for (var i=0;i<ar.length;i++) if (ar[i] == v) return true;
+  return false;
+}
+
+function updateHideText(){
+  for (var i=0;i<hiddenLists.length;i++)
+    hiddenLists[i].innerHTML = "<b>Hidden names:</b> " + (hiddenNames.join(", ")).replace("<", "&lt;")+
+                              "<br>"+"<b>Hidden properties: </b>" + (hiddenPropertiesDisplay).replace("<", "&lt;");
+}
+function updateHide(){
+  for (var i=0;i<tables.length;i++) {
+    for (var r=0;r<tables[i].rows.length;r++)
+      if (tables[i].rows[r].cells[0] && ( stringContains(tables[i].rows[r].cells[0].textContent, hiddenNames)) )
+
+        tables[i].rows[r].style.display="none";
+  }
+  updateHideText();
+}
+
+function newButton(){
+  var deleteThis = document.createElement("a");
+  deleteThis.textContent = "x";
+  deleteThis.addEventListener("click", function(e){
+    var cell = e.target.parentNode;
+    var row = cell.parentNode;
+    if (cell == row.cells[0]) {
+      if (cell.textContent == "x") {
+        row.style.display = "none";  //empty row (repeated table headers, wikipedias idea of filtering)
+      } else if (!arrayContains(hiddenNames, cell.textContent)) {
+        hiddenNames.push(cell.textContent);
+        updateHide();
+      }
+    } else if (row.parentNode.nodeName == "THEAD" || row.parentNode.nodeName == "TFOOT"
+               || (row.parentNode.nodeName == "TBODY" && row.parentNode.parentNode.rows[0] == row)) {
+      if (hiddenPropertiesDisplay != "") hiddenPropertiesDisplay += ", ";
+      hiddenPropertiesDisplay += " Column("+cell.textContent+") ";
+
+      var table = row.parentNode.parentNode; //tbody actually
+      var pos = arrayIndexOf(row.cells,cell);
+      for (var i=0;i<table.rows.length;i++)
+        table.rows[i].cells[pos].style.display = "none";
+    } else {
+      var table = row.parentNode; //tbody actually
+      var pos = arrayIndexOf(row.cells,cell);
+      var remove = cell.textContent;
+      for (var i=0;i<table.rows.length;i++)
+        if (table.rows[i].cells[pos] && table.rows[i].cells[pos].textContent == remove) {
+          if (!arrayContains(hiddenNames, table.rows[i].cells[0].textContent))
+            hiddenNames.push(table.rows[i].cells[0].textContent);
+        }
+       if (hiddenPropertiesDisplay != "") hiddenPropertiesDisplay += ", ";
+       if (table.nodeName == "TBODY") table = table.parentNode;
+       hiddenPropertiesDisplay += table.rows[0].cells[pos].textContent + " = " + remove.substr(0, remove.length-1);
+
+       updateHide();
+    }
+  });
+  deleteThis.className = "delete-this-button";
+  return deleteThis;
+}
+
+setTimeout(function(){
+for (var i=0;i<tables.length;i++) {
+  for (var r=0;r<tables[i].rows.length;r++)
+    for (var c=0;c<tables[i].rows[r].cells.length;c++) {
+      tables[i].rows[r].cells[c].appendChild(newButton());
+    }
+  var temp = document.createElement("div");
+  tables[i].parentNode.insertBefore(temp, tables[i].nextSibling);
+  hiddenLists.push(temp);
+}}, 100);
+
+var head = document.getElementsByTagName("head")[0];
+var ele = head.appendChild(window.document.createElement("style"));
+ele.innerHTML = ".delete-this-button {flush: right; display: inline-block; 0; bottom: 0; color: red; cursor: pointer}";
+
+}
-- 
2.48.1