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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script>
'use strict';
var wiki = {
config : {
HomePageName : 'FrontPage',
EditPageName : 'Edit',
HelpPageName : 'Help',
IndexPageName : 'Index',
BackupPageName : 'Backup',
WikiPattern : '(([A-Z][a-z]+([A-Z][a-z]+)+)|([0-9]{4}/[0-9]{1,2}(/[0-9]{1,2})?))',
URLPattern : '(mailto|http|https|ftp):[\x21-\x7E]*',
getLinkPattern : function() {
return new RegExp('(' + this.URLPattern + ')|(' + this.WikiPattern + ')', 'g');
}
},
main : function() {
this.db = this.db_localStorage;
var ret = this.db.init();
if (!ret) {
return;
}
this.view.init(this.config);
this.view._id('linkToEditPage').onclick = this.editCurrentPage;
this.view._id('content').ondblclick = function(e){
if (!! wiki.view._id('textarea')) {
return;
}
wiki.editCurrentPage();
};
window.onhashchange = function() {
wiki.navigate();
}
this.navigate();
},
getHashPage: function() {
return location.hash.substr(1);
},
navigate: function() {
var pagename = wiki.getHashPage();
switch (pagename) {
case wiki.config.HomePageName:
case '': // no hash
if (wiki.db.exists(wiki.config.HomePageName)) {
wiki.openHomePage();
} else if (wiki.view.getCurrentPageName() == wiki.config.HelpPageName) {
// edit first wiki page
wiki.editPage(pagename);
} else {
// show welcome page
wiki.openHelpPage();
}
break;
case wiki.config.HelpPageName:
wiki.openHelpPage();
break;
case wiki.config.IndexPageName:
wiki.showIndexPage();
break;
case wiki.config.BackupPageName:
wiki.openBackupPage();
break;
default:
wiki.openPage(pagename);
break;
}
return false;
},
openPage : function(pagename){
this.view.setPageTitle(pagename);
this.view.showEditLink();
this.view.setDateLink(pagename);
if(! this.db.exists(pagename) ){
this.editPage(pagename);
}else{
var content = this.db.read(pagename);
content = content.replace(this.config.getLinkPattern(), this.makeLink );
this.view.setContent("<pre>" + content + "</pre>");
}
},
openHomePage : function(){
this.openPage(this.config.HomePageName);
return false;
},
openHelpPage : function (){
var pagename = this.config.HelpPageName;
this.view.setPageTitle(pagename);
this.view.hideEditLink();
var content = this.view._id('help').innerText;
content = content.replace(this.config.getLinkPattern(), this.makeLink );
this.view.setContent("<pre>" + content + "</pre>");
return false;
},
openBackupPage : function() {
this.view.setPageTitle(this.config.BackupPageName);
this.view.hideEditLink();
var content = this.db.dump();
this.view.renderBackupPage(content);
return false;
},
editCurrentPage : function (){
if (wiki.view._id('editLink').style.display != 'none') {
wiki.editPage(wiki.view.getCurrentPageName());
}
return false;
},
showIndexPage : function (){
this.view.setPageTitle(this.config.IndexPageName);
this.view.hideEditLink();
var pairs = this.db.pairs();
this.view.renderIndexPage(pairs, this.getStoredKeyword());
return false;
},
savePage : function (pagename){
var content = this.view.getInputValue();
if (content) {
this.db.save(pagename, content);
this.openPage(pagename);
} else {
this.db.remove(pagename);
this.openHomePage();
return false;
}
return false;
},
editPage : function(pagename) {
this.view.setPageTitle(pagename);
var content = '';
if( this.db.exists(pagename) ){
content = this.db.read(pagename);
}
this.view.renderInputForm(pagename, content);
},
editCancel : function(pagename) {
if (this.db.exists(pagename)) {
this.navigate();
} else {
history.back();
}
},
makeLink : function($0,$1,$2){
var _this = wiki;
var matched = $0;
var link;
if(matched.match(_this.config.URLPattern)) {
// URLとマッチした場合
link = "<a href='" + matched + "' class='ext' target='_blank'>" + matched + "</a>";
} else if(matched.match(_this.config.WikiPattern)){
// Wikiページっぽい
var pagename = RegExp.$1;
if(_this.db.exists(pagename)){
link = "<a href='#" + pagename + "' class='int' >" + pagename + "</a>";
} else {
link = pagename + "<a href='#" + pagename + "' title='create a Page' class='new'></a>";
}
}
return link;
},
searchPage : function(keyword) {
this.view.showAllLists();
if (! keyword) {
return;
}
var words = keyword.split(/[ ]+/); // 半角スペース+全角スペース
for (var i = 0; i < words.length; ++i) {
this.view.hideUnmatchedLists(words[i]);
}
},
storeSearchKeyword : function(keyword) {
wiki.db.save(wiki.config.IndexPageName, keyword);
},
getStoredKeyword : function() {
return wiki.db.read(wiki.config.IndexPageName);
},
selectRestoreFile : function() {
this.view._id('restore').click();
return false;
},
restoreBackup : function() {
var file = this.view._id('restore').files[0];
var fr = new FileReader();
fr.onload = function() {
try {
var data = JSON.parse(fr.result);
if (confirm('Are you sure?')) {
wiki.db.restore(data);
} else {
// debugging
console.log(fr.result === wiki.db.dump());
for (var k in data)
if (data[k] !== wiki.db.read(k))
console.log('data <-> db differ:' + k);
var keys = wiki.db.keys();
for (var k, i = 0; i < keys.length; i++) {
k = keys[i];
if (data[k] !== wiki.db.read(k))
console.log('db <-> data differ:' + k);
}
debugger;
}
} catch(e) {
console.error(e);
alert('restore error:' + e);
}
}
fr.readAsText(file);
}
}; // wiki
//============ Storage Object ===================
//===== localStorage ======
wiki.db_localStorage = {
init : function() {return true;},
exists : function(pagename){
return pagename in localStorage;
},
read : function(pagename) {
return localStorage.getItem(pagename);
},
keys : function(){
var ret = [];
for (var i = 0; i < localStorage.length; i++) {
ret.push(localStorage.key(i));
}
return ret;
},
save : function(pagename, content){
localStorage.setItem(pagename, content);
},
remove : function(pagename) {
localStorage.removeItem(pagename);
},
dump : function() {
return JSON.stringify(localStorage);
},
restore : function(obj) {
localStorage.clear();
for (var page in obj) {
if (obj.hasOwnProperty(page)) {
this.save(page, obj[page]);
}
}
},
pairs : function() {
return JSON.parse(this.dump());
}
};
//============ View Object ===================
wiki.view = {
init : function(config) {
this._id("linkToHomePage").innerText = config.HomePageName;
this._id("linkToEditPage").innerText = config.EditPageName;
this._id("linkToIndexPage").innerText = config.IndexPageName;
this._id("linkToHelpPage").innerText = config.HelpPageName;
this._id("linkToBackupPage").innerText = config.BackupPageName;
this._id('linkToHomePage').href += config.HomePageName;
this._id('linkToIndexPage').href += config.IndexPageName;
this._id('linkToHelpPage').href += config.HelpPageName;
this._id('linkToBackupPage').href += config.BackupPageName;
},
setPageTitle : function(pagename) {
document.title = pagename;
this._id("headerH1").innerText = pagename;
},
showEditLink : function() {
this._id("editLink").style.display = "";
},
setDateLink : function(pagename) {
var date = new Date(pagename),
prev = this._id('prevPage'),
next = this._id('nextPage');
if (isNaN(date.getDate())) {
prev.style.display = 'none';
next.style.display = 'none';
} else {
prev.style.display = '';
next.style.display = '';
prev.href = '#' + this._dayCalc(date, -1);
next.href = '#' + this._dayCalc(date, 1);
}
},
_dayCalc : function(dateExpr, dateOper) {
var d = new Date(dateExpr);
d.setDate(d.getDate() + dateOper || 0);
return [
d.getFullYear(),
("0" + (d.getMonth()+1)).slice(-2),
("0" + d.getDate()).slice(-2)
].join('/');
},
hideEditLink : function() {
this._id("editLink").style.display = "none";
},
_id : function (id) {
return document.getElementById(id);
},
setContent : function(html) {
this._id('content').innerHTML = html;
},
getCurrentPageName : function() {
return document.title;
},
getInputValue : function() {
return this._id('textarea').value;
},
renderInputForm : function(pagename, content) {
var html =
"<form id='textform' onsubmit='wiki.savePage(\"" + pagename + "\"); return false;'>"
+ "<input type='submit' value='save'> "
+ "<input type='button' value='cancel' onclick='wiki.editCancel(\""+pagename+"\");'><br />"
+ "<textarea id='textarea' wrap='off'></textarea><br />"
+ "<input type='submit' value='save'><br />"
+ "</form>";
this.setContent(html);
var area = this._id('textarea');
area.focus();
area.value = content;
},
_e : function(str) {
var node;
if (str instanceof HTMLElement) {
node = str;
} else if (typeof str === 'string') {
node = document.createTextNode(str);
} else {
throw new Error('Error: invalid argument:' + str);
}
var wrapper = document.createElement('div');
wrapper.appendChild(node);
return wrapper.innerHTML;
},
renderIndexPage : function(pairs, prevKeyword) {
var links = [];
for(var k in pairs) {
if (! pairs.hasOwnProperty(k)) {
continue;
} else if (k == wiki.config.IndexPageName) {
continue;
}
var li = "<li class='search-index'>"
+ "<a href='#" + k + "'>" + k + "</a>"
+ "<!-- " + this._e((k + pairs[k]).toLowerCase()) + " -->"
+ "</li>";
links.push(li);
}
var html = "<input type='text' id='search' placeholder='search...' "
+ "oninput='wiki.searchPage(this.value);' "
+ "onchange='wiki.storeSearchKeyword(this.value);' "
+ "style='float:right' accessKey='/'>"
+ "<ul id='index'>" + links.join("") + "</ul>";
this.setContent(html);
var s = this._id('search');
s.value = prevKeyword;
s.dispatchEvent(new Event('input'));
s.select();
},
showAllLists : function() {
this._x('//li[@class="search-index"]').forEach(function(e) {
e.style.display = '';
});
},
hideUnmatchedLists : function(keyword) {
var path = '//li[@class="search-index" and not(contains(comment(), "' + keyword.toLowerCase() + '"))]';
this._x(path).forEach(function(e) {
e.style.display = 'none';
});
},
_x : function(xpath, root) {
var r = [], x, node;
root = root || document;
x = document.evaluate(xpath, root, null, XPathResult.ANY_TYPE, null);
while (node = x.iterateNext())
r.push(node);
return r;
},
renderBackupPage : function(content) {
var escaped = content.replace(/ /g, '\\u0020'); // space escape
// "<a href='data:application/json;charset=UTF-8,"+escaped+"' download='backup-"+timestamp+".json' >Dump</a>"
var a = document.createElement('a');
a.setAttribute('href', 'data:application/json;charset=UTF-8,' + escaped);
a.setAttribute('download', 'backup-' + Date.now() + '.json');
a.innerText = 'Dump';
var html = this._e(a)
+ " | <a href='#' onclick='return wiki.selectRestoreFile();'>Restore</a>"
+ "<input type='file' id='restore' onchange='wiki.restoreBackup();' style='display:none' accept='application/json'>";
this.setContent(html);
}
};
window.onload = function(){ wiki.main(); };
</script>
<script type="text/plain" id="help">
jswmとは
========================================
ようこそ `jswm` へ。 `jswm` はオープンソースの Wiki ツールです。
YukiWikiMini 1.0.2 を JavaScript で再実装した jsWikiMini2 に改良を加えたものです。
特長
========================================
インストール不要、サーバ不要
----------------------------------------
html ファイル単体で動作するため、ブラウザさえあれば利用できます。
ソフトがインストールできない制限された環境でも利用することができます。
超高速
----------------------------------------
html ファイル単体で動作するため、ブラウザさえあれば利用できます。
サーバとの通信が行われないため動作が軽快・高速です。
データのエクスポート・インポートに対応
----------------------------------------
データをファイルとしてエクポート、またはインポートできるので
バックアップやバージョン管理を行うことができます。
使い方
========================================
* WikiName のような単語を書くと、そこから新しいページを作ることができます。
* 2017/01/01 のような日付も wiki のリンクとなります。
* URL は自動でリンクになります。
* ページを消したいときは中身を空にして保存します。
* デフォルトでは FrontPage が最初に開きます。さっそく FrontPage を作ってみましょう！
ライセンス
========================================
Perl と同じ (GPL or Artistic License) です。
開発Webサイト
========================================
https://github.com/arai-ta/jswm
</script>
<style>
html, body, #content, #textform, #textarea {
height: 95%;
}
#textarea {
width: 100%;
margin-top: 5px;
}
body { font-family: "Courier New", monospace; }
pre { line-height:130%; }
a {
text-decoration: none;
color: mediumseagreen;
}
a:hover { text-decoration: underline }
/* external link */
a.ext:after { content: "^" }
/* internal link */
a.int:before { content: "[" }
a.int:after { content: "]" }
/* uncreated wiki page */
a.new:after { content: "?" }
table { width:100%; border:none; }
code {
display: block;
margin: 20px;
padding: 5px;
background-color: #E8E8E8;
}
header > h1 {
float: left;
}
nav {
float: right;
}
nav > ul > li {
display: inline;
}
nav > ul > li:before {
content: "|";
margin: 0 10px 0 0;
}
nav > ul > li:first-child:before {
content: "";
}
article {
clear: both;
}
@media print {
nav {
display: none;
}
}
@media (max-width: 700px) {
nav > ul {
text-align: right;
list-style: none;
}
nav > ul > li {
display: list-item;
margin: 0;
}
nav > ul > li:before {
content: "";
}
}
#content dl {
white-space: initial;
padding-left: 20px;
}
</style>
</head>
<body>
<header>
<h1 id="headerH1"></h1>
<nav>
<ul>
<li><a id="linkToHomePage" accesskey="F" href="#">FrontPage</a></li>
<li id="editLink">
<a id="prevPage" class="date-nav" accesskey="p" href="#"><</a>
<a id="linkToEditPage" accesskey="E" href="#">Edit</a>
<a id="nextPage" class="date-nav" accesskey="n" href="#">></a>
<a accesskey="r" href="#Index" onclick="wiki.storeSearchKeyword(wiki.getHashPage());" style="font-size: smaller">ref</a>
</li>
<li><a id="linkToIndexPage" accesskey="i" href="#">Index</a></li>
<li><a id="linkToHelpPage" accesskey="H" href="#">Help</a></li>
<li><a id="linkToBackupPage" accesskey="b" href="#">Backup</a></li>
</ul>
</nav>
</header>
<article id="content"></article>
</body>
</html>