//
// Tile: Look-up Words History
// Category: Education
//
// version 0.1 BETA!
// 2006-05-02
// Copyright (c) 2006, keiciao
//
// --------------------------------------------------------------------
//
// This is a Greasemonkey user script. To install it, you need
// Greasemonkey 0.6.4 or later: http://greasemonkey.mozdev.org/
// Then restart Firefox and revisit this script.
// Under Tools, there will be a new menu item to "Install User Script".
// Accept the default configuration and install.
//
// To uninstall, go to Tools/Manage User Scripts,
// select "Look-up Words History", and click Uninstall.
//
// --------------------------------------------------------------------
///
// ==UserScript==
// @name Look-up Words History
// @namespace http://blog.goo.ne.jp/keiciao/
// @description Look-up Words History
// @include http://*.alc.co.jp/*
// ==/UserScript==
// constantt
var LWH_Storage_History = 'LWH_Storage_History';
var LWH_Storage_MAXSIZE = 50;
// create area for words
function LWH_Create_Area(words){
// find keywords for new links
var hidden_word_in2 = document.evaluate('//input[@type="hidden" and @name="word_in2"]',document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
var hidden_word_in3 = document.evaluate('//input[@type="hidden" and @name="word_in3"]',document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
// if not a XPathResult, exit
if (hidden_word_in2.snapshotLength < 1||
hidden_word_in3.snapshotLength < 1)
return;
// crate table
var words_table = document.createElement('table');
words_table.cellspacing = 0;
words_table.cellpadding = 0;
words_table.border = 0;
words_table.align = 'left';
// crate tbody
var words_tbody = document.createElement('tbody');
// create title
var title_label = document.createElement('label');
title_label.innerHTML = 'RECENT WORDS';
var title_tr = document.createElement('tr');
var title_td = document.createElement('td');
title_td.width = 91;
title_td.noWrap = true;
// append title
title_td.appendChild(title_label);
title_tr.appendChild(title_td);
words_tbody.appendChild(title_tr);
// for all words
for (var i in words) {
// crate tr
var words_tr = document.createElement('tr');
// create cells
var words_td = document.createElement('td');
words_td.noWrap = true;
var words_a = document.createElement('a');
words_a.href = 'http://www2.alc.co.jp/ejr/index.php?' +
'word_in=' + words[i] +
'&word_in2=' + hidden_word_in2.snapshotItem(0).value +
'&word_in3=' + hidden_word_in3.snapshotItem(0).value;
words_a.innerHTML = (parseInt(i)+1) + '. ' + words[i];
// append elements
words_td.appendChild(words_a);
words_tr.appendChild(words_td);
words_tbody.appendChild(words_tr);
}
// append elements
words_table.appendChild(words_tbody);
// crate div
var words_div = document.createElement('div');
words_div.align = 'left';
words_div.appendChild(words_table);
// crate table
var top_div = document.createElement('div');
top_div.align = 'center';
var top_table = document.createElement('table');
top_table.width = 750;
top_table.cellspacing = 0;
top_table.cellpadding = 0;
top_table.border = 0;
var top_tbody = document.createElement('tbody');
var top_tr = document.createElement('tr');
var top_td1 = document.createElement('td');
var top_td2 = document.createElement('td');
// find original top div
var alc_div = document.evaluate('//body/div',document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null).snapshotItem(0);
// remove original
document.body.removeChild(alc_div);
// recreate page
top_td1.appendChild(alc_div);
top_td2.appendChild(words_div);
top_td2.vAlign = 'top';
top_tr.appendChild(top_td1);
top_tr.appendChild(top_td2);
top_tbody.appendChild(top_tr);
top_table.appendChild(top_tbody);
top_div.appendChild(top_table);
// append top div
document.body.appendChild(top_div);
}
// Show History
function LWH_Show_History(){
// is storage?
if ( !GM_getValue(LWH_Storage_History) ) {
LWH_Create_Area('');
}
else {
// remind words
var words = GM_getValue(LWH_Storage_History).split(';', LWH_Storage_MAXSIZE);
// if no words, return
if ( words.length < 1) {
LWH_Create_Area('');
}
else {
// create area for words
LWH_Create_Area(words);
}
}
}
function LWH_Storage_Append(word){
// if storage is empty, just append it then return.
if( !GM_getValue(LWH_Storage_History) ){
GM_setValue(LWH_Storage_History, word);
return;
}
// get words
var words = GM_getValue(LWH_Storage_History).split(';', LWH_Storage_MAXSIZE);
// delete same word
for(var i in words){
if( words[i] == word ){
var buf_array = words.slice(0,i);
if( words[parseInt(i)+1] ){
buf_array = buf_array.concat(words.slice(parseInt(i)+1,words.length));
}
words = buf_array;
delete buf_array;
break;
}
}
// if it is full, put away the last
if( words.length > LWH_Storage_MAXSIZE-1 )
words.pop();
// append word into words as a head
words.unshift(word);
// store db
GM_setValue(LWH_Storage_History,words.join(';'));
}
function LWH_Char_Check(word){
var res;
for (var i=word.length-1; i>=0; i--) {
res = word.charCodeAt(i);
// check ascii code (http://www.december.com/html/spec/ascii.html)
if( res < 32 ) return false;
if( res > 126 ) return false;
}
delete res;
return true;
}
(function(){
// get results for look-up
var results = document.evaluate('//span[@class="ejr_e"]',document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
// get the input for look-up word
var input = document.evaluate('//input[@name="word_in" and @accesskey="e"]',document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
// if not a XPathResult, exit
if (input.snapshotLength != 1) return;
// if only English, append it
if ( results.snapshotLength > 0 &&
results.snapshotItem(0).textContent > 0 &&
input.snapshotItem(0).defaultValue.length > 0 &&
LWH_Char_Check(input.snapshotItem(0).defaultValue) )
// append storage
LWH_Storage_Append(input.snapshotItem(0).defaultValue.toLowerCase());
// destructor
delete results;
delete input;
// show words
LWH_Show_History();
})();
