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User:JP/common.js
Revision as of 18:21, 27 July 2016 by JP (talk | contribs) (Created page with "// ==UserScript== // @name Wikipedia Table filter // @namespace benibela // @include http://*.wikipedia.org/wiki/* // ==/UserScript== var tables = docu...")
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// ==UserScript==
// @name Wikipedia Table filter
// @namespace benibela
// @include http://*.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("<", "<")+
"<br>"+"<b>Hidden properties: </b>" + (hiddenPropertiesDisplay).replace("<", "<");
}
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}";
}