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Hullo.html
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<title>Hullo</title>
<meta charset="utf-8">
<script id="runtime" type="text/javascript">
/*
_/ _/ _/ _/ _/ _/ _/ _/
_/ _/ _/ _/ _/ _/ _/_/ _/ _/ _/ _/ _/ _/_/ _/ _/_/_/
_/_/_/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/ _/ _/ _/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/ _/ _/_/_/ _/ _/ _/_/ _/ _/ _/_/_/ _/ _/ _/_/_/
A simple self-hosted notebook web app modeled on Tiddlywiki classic. http://classic.tiddlywiki.com/
Copyright © 2017 Simon Forman
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
_/_/_/_/_/ _/ _/ _/_/
_/ _/_/_/ _/_/_/ _/ _/_/ _/_/ _/
_/ _/ _/ _/ _/ _/ _/_/_/_/ _/ _/ _/_/_/_/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/ _/_/_/ _/_/_/ _/ _/_/_/ _/_/ _/
_/_/_/ _/ _/
_/ _/_/ _/_/_/ _/_/_/_/ _/_/ _/_/_/ _/_/_/_/ _/_/_/
_/ _/ _/ _/ _/ _/ _/_/_/_/ _/ _/ _/ _/_/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/
_/_/_/ _/_/ _/ _/ _/_/ _/_/_/ _/ _/ _/_/ _/_/_/
* JS Runtime
* CSS Styles
* Heap
* Library
* Link Handling
* Card Component
* Index Widget
* Markdown Converter
* Saver
* Initialization
1. The existing displayed cards are scanned for their card IDs and collected in an array which is then created a Knockout observableArray which in turn drives the display of cards.
2. The displayed cards are deleted.
3. The card Knockout template "call" is replaced into the current_cards DIV to drive the display of the cards.
4. The click event handler for dealing with links in the cards is bound.
5. The Saver mousedown event is bound to the prepSaver function.
6. Last but not least, Knockout applyBindings() is called to deal with card display and the "New" button that creates new blank cards.
_/_/_/ _/ _/
_/ _/ _/ _/ _/_/_/ _/_/_/_/ _/_/_/ _/_/ _/_/
_/_/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/_/_/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/ _/ _/_/_/ _/ _/ _/_/ _/ _/ _/ _/ _/_/_/
The following software is included each under its respective license.
*/
/*!
* Knockout JavaScript library v3.4.1
* (c) The Knockout.js team - http://knockoutjs.com/
* License: MIT (http://www.opensource.org/licenses/mit-license.php)
*/
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l="";"list_item_end"!==this.next().type;)l+="text"===this.token.type?this.parseText():this.tok();return this.renderer.listitem(l);case"loose_item_start":for(var l="";"list_item_end"!==this.next().type;)l+=this.tok();return this.renderer.listitem(l);case"html":var h=this.token.pre||this.options.pedantic?this.token.text:this.inline.output(this.token.text);return this.renderer.html(h);case"paragraph":return this.renderer.paragraph(this.inline.output(this.token.text));case"text":return this.renderer.paragraph(this.parseText())}},o.exec=o,a.options=a.setOptions=function(e){return h(a.defaults,e),a},a.defaults={gfm:!0,tables:!0,breaks:!1,pedantic:!1,sanitize:!1,sanitizer:null,mangle:!0,smartLists:!1,silent:!1,highlight:null,langPrefix:"lang-",smartypants:!1,headerPrefix:"",renderer:new n,xhtml:!1},a.Parser=r,a.parser=r.parse,a.Renderer=n,a.Lexer=e,a.lexer=e.lex,a.InlineLexer=t,a.inlineLexer=t.output,a.parse=a,"undefined"!=typeof module&&"object"==typeof exports?module.exports=a:"function"==typeof define&&define.amd?define(function(){return a}):this.marked=a}).call(function(){return this||("undefined"!=typeof window?window:global)}());
//# sourceMappingURL=marked.min.js.map
</script>
<link href="https://fonts.googleapis.com/css?family=EB+Garamond" rel="stylesheet">
<style rel="alternate stylesheet" title="Hullo">
/*
_/_/_/ _/ _/
_/ _/_/_/_/ _/ _/ _/ _/_/
_/_/ _/ _/ _/ _/ _/_/_/_/
_/ _/ _/ _/ _/ _/
_/_/_/ _/_/ _/_/_/ _/ _/_/_/
_/
_/_/
*/
html, body {
background-color: #ffffff;
/* http://www.heropatterns.com/ "Endless Clouds" pattern. */
background-image: url("data:image/svg+xml,%3Csvg width='56' height='28' viewBox='0 0 56 28' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M56 26c-2.813 0-5.456.726-7.752 2H56v-2zm-26 2h4.087C38.707 20.783 46.795 16 56 16v-2c-.672 0-1.339.024-1.999.07L54 14a2 2 0 0 1 2-2v-2a4 4 0 0 0-3.98 3.602 28.087 28.087 0 0 0-2.793-3.862A7.994 7.994 0 0 1 56 6V4a9.988 9.988 0 0 0-8.17 4.232 28.156 28.156 0 0 0-3.03-2.634A13.979 13.979 0 0 1 56 0h-7.752a16.078 16.078 0 0 0-5.09 4.454 27.941 27.941 0 0 0-3.536-1.936c.63-.896 1.33-1.738 2.095-2.518H39.03c-.46.557-.893 1.137-1.297 1.737A27.787 27.787 0 0 0 33.723.585c.12-.196.24-.392.364-.585H30l-.001.07A28.406 28.406 0 0 0 26 .07L26 0h-4.087c.124.193.245.389.364.585a27.787 27.787 0 0 0-4.009 1.152c-.404-.6-.837-1.18-1.297-1.737h-2.688c.764.78 1.466 1.622 2.095 2.518-1.23.562-2.41 1.21-3.536 1.936A16.078 16.078 0 0 0 7.752 0H0c4.58 0 8.645 2.199 11.2 5.598a28.156 28.156 0 0 0-3.03 2.634A9.988 9.988 0 0 0 0 4v2a7.994 7.994 0 0 1 6.773 3.74 28.087 28.087 0 0 0-2.793 3.862A4 4 0 0 0 0 10v2a2 2 0 0 1 1.999 2.07C1.339 14.024.672 14 0 14v2c9.205 0 17.292 4.783 21.913 12H26a2 2 0 1 1 4 0zM7.752 28C5.456 26.726 2.812 26 0 26v2h7.752zM56 20c-6.832 0-12.936 3.114-16.971 8h2.688A19.94 19.94 0 0 1 56 22v-2zm-39.029 8C12.936 23.114 6.831 20 0 20v2a19.94 19.94 0 0 1 14.283 6h2.688zm15.01-.398a28.087 28.087 0 0 1 2.792-3.862A7.994 7.994 0 0 0 28 20a7.994 7.994 0 0 0-6.773 3.74 28.087 28.087 0 0 1 2.793 3.862 4 4 0 0 1 7.96 0zm14.287-11.865C42.318 9.864 35.61 6 28 6c-7.61 0-14.318 3.864-18.268 9.737a27.787 27.787 0 0 0-4.009-1.152C10.275 7.043 18.548 2 28 2c9.452 0 17.725 5.043 22.277 12.585a27.787 27.787 0 0 0-4.009 1.152zm-5.426 2.717a27.941 27.941 0 0 1 3.536-1.936C40.76 11.367 34.773 8 28 8s-12.76 3.367-16.378 8.518c1.23.562 2.41 1.21 3.536 1.936C18.075 14.537 22.741 12 28 12s9.925 2.537 12.842 6.454zm-4.672 3.778a28.156 28.156 0 0 1 3.03-2.634A13.979 13.979 0 0 0 28 14c-4.58 0-8.645 2.199-11.2 5.598a28.156 28.156 0 0 1 3.03 2.634A9.988 9.988 0 0 1 28 18a9.988 9.988 0 0 1 8.17 4.232z' fill='%230096ff' fill-opacity='0.37' fill-rule='evenodd'/%3E%3C/svg%3E");
color: #000;
font-family: 'EB Garamond', serif;
height: 100%;
margin: 0;
padding: 0;
}
#top {
background-color: #fff;
padding: 20px;
}
#top a {
background-color: #fff;
border: 1px solid #ccc;
margin: 0px 5px 0px 5px;
padding: 10px;
}
#top a:hover {
background-color: #ccc;
}
#top h3 {
display: inline-block;
margin: 0;
padding: 0px 10px 0px 10px;
}
.card {
background-color: #fff;
margin: 1em;
padding: 1em;
text-align: justify;
}
.card h3 {
color: #aaa;
margin-top: 0;
}
.card h3::before {
content: "§";
}
#index {
background-color: #fff;
margin: 1em;
padding: 1em;
}
#endpiece {
background-color: #fff;
padding: 1em 2em 1em 2em;
text-align: justify;
}
.editing {
border: 1px dashed #000;
}
.broken_link {
background-color: red;
color: white;
}
</style>
<style rel="alternate stylesheet" title="Minty">
html, body {
background-color: #fff;
font-family: 'EB Garamond', serif;
height: 100%;
margin: 0;
padding: 0;
}
#top {
background-color: #DfD;
padding: 20px;
}
/* I hate CSS a little. */
#top a {
background-color: #fff;
border: 1px solid #7f7;
margin: 0px 5px 0px 5px;
padding: 10px;
}
#top h3 {
display: inline-block;
margin: 0;
padding: 0px 10px 0px 10px;
}
.card {
border: 1px solid #7f7;
margin: 1em;
padding: 0;
}
.card h3 {
background-color: #DfD;
margin: 0;
padding: 10px;
}
.card div {
padding: 10px;
}
#foot {
background-color: #fff;
margin: 1em;
padding: 1em;
}
.editing {
border: 1px dashed #7f7;
}
.broken_link {
background-color: red;
color: white;
}
/*
_/ _/
_/ _/ _/_/ _/_/_/ _/_/_/
_/_/_/_/ _/_/_/_/ _/ _/ _/ _/
_/ _/ _/ _/ _/ _/ _/
_/ _/ _/_/_/ _/_/_/ _/_/_/
_/
_/
*/
</style>
<script id="heap" type="text/javascript">var heap_data = {
"cards": {
"fcbf317a-e80f-4bbb-bf46-e6a983f31889": {
"title": "ReadMe",
"text": "# README\n\n## Welcome to \"Hullo World\"\n\nWelcome to \"Hullo World\", a simple self-hosted notebook web app modeled on [Tiddlywiki classic version](http://classic.tiddlywiki.com/).\n\nThere is an index of links to cards at the bottom of the page. You can create a new card by clicking on the `New` button at the top of the page, or you can write a title in WikiTitle format and it will automatically be turned into a link that will create that card when you click on it.\n\nYou can save the current content by clicking on the `Save...` button at the top of the page. Your browser will prompt you for saving.\n\nOn a card clicking the `Edit` button will switch it to an edit mode that lets you change the title or edit the content. The content is [markdown](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet) and the title should conform to WikiTitle. The `Edit` button changes to `Done` and the `Close` button (which closes the card) is disabled so you can't accidentally close the card during editing. (Yes, it might be preferable to auto-save on close, but whatever. This was easy and it works well enough for now.)",
"cardid": "fcbf317a-e80f-4bbb-bf46-e6a983f31889"
},
"71dbd23d-9015-47dd-a6fb-06a37e89e3eb": {
"title": "ToDo",
"text": "1. Restrict titles to WikiTitlePattern\n1. **DONE** Handle unknown wikilinks,\n 1. Create a new card with that title.\n 1. Stick it in the heap.\n 1. Display it.\n",
"cardid": "71dbd23d-9015-47dd-a6fb-06a37e89e3eb"
},
"247eb725-386f-4f4b-b65d-f2345a5983b9": {
"title": "TableDemo",
"text": "## A Table\n\n\n\nVessel | Captain\n-----------|-------------\nNCC-1701 | James T Kirk\nNCC-1701 A | James T Kirk\nNCC-1701 D | Picard\n",
"cardid": "247eb725-386f-4f4b-b65d-f2345a5983b9"
},
"1ac4b559-6103-4772-bd2a-2bc910e3a558": {
"title": "InternalDocs",
"text": "# Internals Documentation\n\n1. **JS Runtime** This is comprised of the minified versions of Knockout, Underscore, and Zepto (TODO: document the versions.) I think of it as the \"runtime\" support for the page. It's bascially just a blob of JS functionality.\n1. **CSS Styles** enough said.\n1. **Heap** This is just a script that contains a single `heap_data` object that is intended to store whatever data that must be persistent. Right before saving the `Saver` dumps the current value of this object back to the script tag as JSON.\n1. **Library** A few useful functions that don't particularly need to go in the `Zepto()` call.\n1. **Link Handling** deals with the user clicking a link in a card. Takes care of creating new cards when you click on an unknown WikiTitle.\n1. **Card Component** A Knockout component, view model, and functions for dealing with the card model. A `card` right now is just a JS object with title, text, and card ID attributes. They are stored in the `heap_data.cards` object.\n1. **Index Widget** the function that is responsible for updating the \"Index\" (currently at the bottom of the page, but that will likely change.) It also enters cards into the `heap_data.by_title` mapping so we can lookup cards by their titles easily. I felt this was simpler than using e.g. a Knockout widget and an Observable array.\n1. **Markdown Converter** scans for WikiTitle and converts to links, then runs the text through `marked` Markdown parser to get markup. KO takes care of updating the DIV innerHTML.\n1. **Saver** prepares the `heap_data` and builds a copy of the page in a Blob for downloading. By the time the user lifts her finger from clicking on the save link the content is already prepared to be downloaded.\n1. **Initialization**\n 1. The existing displayed cards are scanned for their card IDs and collected in an array which is then created a Knockout observableArray which in turn drives the display of cards.\n 1. The displayed cards are deleted.\n 1. The `card` Knockout template \"call\" is replaced into the `current_cards` DIV to drive the display of the cards.\n 1. The click event handler for dealing with links in the cards is bound.\n 1. The `Saver mousedown` event is bound to the `prepSaver` function.\n 1. Last but not least, Knockout `applyBindings()` is called to deal with card display and the \"New\" button that creates new blank cards.",
"cardid": "1ac4b559-6103-4772-bd2a-2bc910e3a558"
}
},
"by_title": {
"ToDo": "71dbd23d-9015-47dd-a6fb-06a37e89e3eb",
"TableDemo": "247eb725-386f-4f4b-b65d-f2345a5983b9",
"InternalDocs": "1ac4b559-6103-4772-bd2a-2bc910e3a558",
"ReadMe": "fcbf317a-e80f-4bbb-bf46-e6a983f31889"
}
};</script>
<script type="text/javascript">
/*
_/ _/ _/
_/ _/_/_/ _/ _/_/ _/_/_/ _/ _/_/ _/ _/
_/ _/ _/ _/ _/_/ _/ _/ _/_/ _/ _/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/_/_/_/ _/ _/_/_/ _/ _/_/_/ _/ _/_/_/
_/
_/_/
*/
function genUUID() {
// http://stackoverflow.com/a/2117523
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random() * 16 | 0,
v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
var WikiTitlePattern = /\b[A-Z][a-z]+(?:[A-Z][a-z]+)+\b/g;
function isWikiTitle(str) {
WikiTitlePattern.lastIndex = 0;
var huh = WikiTitlePattern.test(str);
WikiTitlePattern.lastIndex = 0;
return huh;
}
var ViewModel;
// Start.
Zepto(function ($) {
/*
_/ _/ _/
_/ _/_/_/ _/ _/
_/ _/ _/ _/ _/_/
_/ _/ _/ _/ _/ _/
_/_/_/_/ _/ _/ _/ _/ _/
_/ _/ _/ _/ _/
_/ _/ _/_/_/ _/_/_/ _/_/_/ _/ _/_/_/ _/_/_/
_/_/_/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/
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_/ _/ _/_/_/ _/ _/ _/_/_/ _/ _/ _/ _/ _/_/_/
_/
_/_/
*/
function HandleLinkClick(e){
var target = $(e.target)
var destination = target.attr("href");
if (/^#/.test(destination)) {
// Fragment link
FragmentLink(destination.substr(1), target);
} else {
// Assume external link for now.
window.open(destination, '_blank');
}
return false;
}
function _ecxtrct(cardid, F, G, target, E) {
if (F(cardid)) {
G();
} else {
var card = heap_data.cards[cardid];
if (_.isUndefined(card)) {
target.addClass('broken_link');
alert(E());
} else {
ViewModel.DisplayCard(card);
}
}
}
function FragmentLink(cardid, target) {
return _ecxtrct(
cardid,
isWikiTitle,
() => WikiTitleFragment(cardid, target),
target,
() => "Broken link!\n#" + cardid
);
}
function WikiTitleFragment(title, target) {
return _ecxtrct(
heap_data.by_title[title],
_.isUndefined,
() => MakeCard(title, ""),
target,
() => "Broken link!\nIn by_title but not cards.\n" + title
);
}
/*
_/_/_/ _/
_/ _/_/_/ _/ _/_/ _/_/_/
_/ _/ _/ _/_/ _/ _/
_/ _/ _/ _/ _/ _/
_/_/_/ _/_/_/ _/ _/_/_/
_/_/_/ _/
_/ _/_/ _/_/_/ _/_/ _/_/_/ _/_/ _/_/_/ _/_/ _/_/_/ _/_/_/_/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/_/_/ _/ _/ _/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/_/_/ _/_/ _/ _/ _/ _/_/_/ _/_/ _/ _/ _/_/_/ _/ _/ _/_/
_/
_/
*/
function MakeCard(title, text) {
// Create and display a card with given title and text and store it in the heap.
card = {
cardid: genUUID(),
title: title,
text: text
};
heap_data.cards[card.cardid] = card;
heap_data.by_title[card.title] = card.cardid;
ViewModel.UpdateCardIndex(card);
ViewModel.DisplayCard(card);
}
function CardViewModel(params) {
// Knockout ViewModel for cards.
this.title = params.title;
this.text = params.text;
this.cardid = params.cardid;
this.edit = ko.observable(false);
this.markup = ko.observable(ConvertMarkdown(params.text));
}
CardViewModel.prototype.CloseCard = function() {
ViewModel.current_cards.remove(card => card.cardid == this.cardid);
};
CardViewModel.prototype.EditCard = function(cvm, ev) {
// Toggle edit mode.
var editing = !this.edit();
this.edit(editing);
if (!editing) {
this.SaveCard($(ev.target).parent());
};
};
CardViewModel.prototype.SaveCard = function(carddiv) {
// Copy card data from DOM back to ViewModel and Model.
// Markdown markup generation happens here.
var card_model = heap_data.cards[this.cardid];
var new_title = carddiv.find("h3").text();
var new_markdown = carddiv.find("textarea").val();
var new_markup = ConvertMarkdown(new_markdown);
if (new_title != this.title) {
// Don't delete old titles so that old links still work.
//delete heap_data.by_title[this.title];
heap_data.by_title[new_title] = this.cardid;
this.title = new_title;
card_model.title = new_title;
ViewModel.UpdateCardIndex(card_model);
}
this.text = new_markdown;
card_model.text = new_markdown;
this.markup(new_markup);
};
ko.components.register("card", {
viewModel: CardViewModel,
template: { element: "card-template" }
});
/*
_/ _/ _/ _/
_/_/ _/_/ _/_/_/ _/ _/_/ _/ _/ _/_/_/ _/_/ _/ _/ _/ _/_/_/
_/ _/ _/ _/ _/ _/_/ _/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/ _/ _/_/_/ _/ _/ _/ _/_/_/ _/_/ _/ _/ _/ _/
_/_/_/ _/
_/ _/_/ _/_/_/ _/ _/ _/_/ _/ _/_/ _/_/_/_/ _/_/ _/ _/_/
_/ _/ _/ _/ _/ _/ _/ _/_/_/_/ _/_/ _/ _/_/_/_/ _/_/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/_/_/ _/_/ _/ _/ _/ _/_/_/ _/ _/_/ _/_/_/ _/
*/
function ConvertMarkdown(source) {
// Pre-scan
var k = source.replace(WikiTitlePattern, function (title) {
var cardid = heap_data.by_title[title];
if (_.isUndefined(cardid)) {
cardid = title;
// This will trigger the card to be made when the link is clicked.
}
return "[" + title + "](#" + cardid + ")";
});
return marked(k);
}
/*
_/_/_/
_/ _/_/_/ _/ _/ _/_/ _/ _/_/
_/_/ _/ _/ _/ _/ _/_/_/_/ _/_/
_/ _/ _/ _/ _/ _/ _/
_/_/_/ _/_/_/ _/ _/_/_/ _/
*/
function PrepSaver() {
// Get the content of the page and arrange for it to be downloadable.
// Save the heap.
var heap = JSON.stringify(heap_data, null, 1);
$("#heap").text("var heap_data = " + heap + ";");
// Convert page contents to downloadable blob.
// http://stackoverflow.com/a/29462236
$(this).attr("href", "#");
var htmlContent = ["<!DOCTYPE html>\n", document.documentElement.outerHTML];
var bl = new Blob(htmlContent, {type: "text/html"});
var u = URL.createObjectURL(bl);
$(this).attr("href", u);
}
/*
_/_/_/ _/ _/ _/ _/ _/
_/ _/_/_/ _/_/_/_/ _/_/_/ _/ _/_/_/_/ _/_/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/_/_/
_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/
_/_/_/ _/ _/ _/ _/_/ _/ _/_/_/ _/ _/ _/_/_/_/ _/_/_/
*/
ViewModel = {
// Extract card IDs from the currently displayed cards' divs.
// "Observe" the current cards.
current_cards: ko.observableArray(
_.map(
$(".card"),
carddiv => heap_data.cards[$(carddiv).attr("cardid")]
)
),
card_index: ko.observableArray(
_.sortBy(
_.values(heap_data.cards),
card => card.title
)
),
DisplayCard: function (card) {
// Display a card if it's not already displayed.
if (-1 == this.current_cards.indexOf(card)) {
this.current_cards.unshift(card);
}
},
NewCardClick: function () {
MakeCard("Untitled...", "...");
},
UpdateCardIndex: function (card) {
this.card_index.remove(card)
var i = _.sortedIndex(this.card_index(), card, card => card.title);
this.card_index.splice(i, 0, card);
}
};
// Remove all the cards and add the component "call".
$("#current_cards")
.empty()
.append('<card params="text: text, title: title, cardid: cardid"></card>')
// Handle navigation (clicks on links in cards.)
.on('click', 'a', HandleLinkClick)
;
// Handle clicks on links in the Index.
$("#index").on('click', 'a', HandleLinkClick);
// Install saver prep.
$("#saver").on("mousedown", PrepSaver);
ko.applyBindings(ViewModel);
});
</script>
</head>
<body>
<template id="card-template">
<div class="card" data-bind="attr: { cardid: cardid }">
<h3 data-bind="text: title,
attr: { contenteditable: edit },
css: { editing: edit }"></h3>
<button data-bind="click: CloseCard, disable: edit()">Close</button>
<button data-bind="click: EditCard, text: edit() ? 'Done' : 'Edit'"></button>
<textarea data-bind="visible: edit(), text: text" rows="20" cols="80"></textarea>
<div data-bind="visible: !edit(), html: markup"></div>
</div>
</template>
<div id="top">
<h3>Hullo</h3>
<a id="evoke" href="#" data-bind="click: NewCardClick">New</a>
<a id="saver" download="Hullo.html" href="#">Save...</a>
</div>
<div id="current_cards" data-bind="foreach: current_cards"><card params="text: text, title: title, cardid: cardid">
<div class="card" data-bind="attr: { cardid: cardid }" cardid="fcbf317a-e80f-4bbb-bf46-e6a983f31889">
<h3 data-bind="text: title,
attr: { contenteditable: edit },
css: { editing: edit }">ReadMe</h3>
<button data-bind="click: CloseCard, disable: edit()">Close</button>
<button data-bind="click: EditCard, text: edit() ? 'Done' : 'Edit'">Edit</button>
<textarea data-bind="visible: edit(), text: text" rows="20" cols="80" style="display: none;"># README
## Welcome to "Hullo World"
Welcome to "Hullo World", a simple self-hosted notebook web app modeled on [Tiddlywiki classic version](http://classic.tiddlywiki.com/).
There is an index of links to cards at the bottom of the page. You can create a new card by clicking on the `New` button at the top of the page, or you can write a title in WikiTitle format and it will automatically be turned into a link that will create that card when you click on it.
You can save the current content by clicking on the `Save...` button at the top of the page. Your browser will prompt you for saving.
On a card clicking the `Edit` button will switch it to an edit mode that lets you change the title or edit the content. The content is [markdown](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet) and the title should conform to WikiTitle. The `Edit` button changes to `Done` and the `Close` button (which closes the card) is disabled so you can't accidentally close the card during editing. (Yes, it might be preferable to auto-save on close, but whatever. This was easy and it works well enough for now.)</textarea>
<div data-bind="visible: !edit(), html: markup"><h1 id="readme">README</h1>
<h2 id="welcome-to-hullo-world-">Welcome to "Hullo World"</h2>
<p>Welcome to "Hullo World", a simple self-hosted notebook web app modeled on <a href="http://classic.tiddlywiki.com/">Tiddlywiki classic version</a>.</p>
<p>There is an index of links to cards at the bottom of the page. You can create a new card by clicking on the <code>New</code> button at the top of the page, or you can write a title in <a href="#WikiTitle">WikiTitle</a> format and it will automatically be turned into a link that will create that card when you click on it.</p>
<p>You can save the current content by clicking on the <code>Save...</code> button at the top of the page. Your browser will prompt you for saving.</p>
<p>On a card clicking the <code>Edit</code> button will switch it to an edit mode that lets you change the title or edit the content. The content is <a href="https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet">markdown</a> and the title should conform to <a href="#WikiTitle">WikiTitle</a>. The <code>Edit</code> button changes to <code>Done</code> and the <code>Close</code> button (which closes the card) is disabled so you cant accidentally close the card during editing. (Yes, it might be preferable to auto-save on close, but whatever. This was easy and it works well enough for now.)</p>
</div>
</div>
</card></div>
<div id="foot">
<div id="index">
<ul data-bind="foreach: card_index">
<li><a data-bind="text: title, attr: { href: ('#' + title) }"></a></li>
</ul>
</div>
<div id="endpiece">Copyright 2017 Simon Forman.<br>This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.</div>
</div>
</body></html>