<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>A smart, organizing text editor</title>
<link href="/static/bootstrap/css/bootstrap.css" rel="stylesheet" type="text/css">
<link href="/static/bootstrap/css/bootstrap-responsive.css" rel="stylesheet" type="text/css">
<link href="/static/shoofle.css" rel="stylesheet" type="text/css">
<script src="/static/jquery.min.js" type="text/javascript"></script>
<style type="text/css">
textarea {
width: 100%;
margin: 0;
}
.block {
font-family: monospace;
background-color: white;
padding: 4px;
}
.block.if {
white-space: normal;
background-color: rgb(200,200,255);
}
.branch {
background-color: rgb(200,255,200);
}
.block.while {
background-color: rgb(255,200,200);
}
</style>
</head>
<body style="background-color: gray; margin: 1em;">
<div style="display: none;"></div>
When I see the text "if (something)", then I should make a new if block.
["block", "block"] => ["block"]
["block", "block while"] => ["block", "block while"]
["block", "block if"] => ["block", "block if"]
<script type="text/javascript">
</script>
<style type="text/css">
.block {display: block;}
.branch {display: inline-block;}
</style>
<div class="block" id="editor" contentEditable>
<div class="block base" >
some kind of preparation code, I guess<br>
or something<br>
</div>
<div class="block if">
<div class="branch if">
<div class="condition">if (condition)</div>
<div class="block base">do something in response to a true condition</div>
</div>
<div class="branch else-if">
<div class="condition">else if (some other condition)</div>
<div class="block base">then we should do something specific else</div>
</div>
<div class="branch else">
<div class="condition">else</div>
<div class="block base">some fallback thing!</div>
</div>
</div>
<div class="block base">
some code<br>
do other thing<br>
{} | : {} ();<br>
</div>
<div class="block while">
<div class="condition">while (something)</div>
<div class="block base">
update the counters<br>
hack the gibsons<br>
do the stuff<br>
</div>
</div>
</div>
</div>
<hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr>
<div></div>
<div class="block" style="width: 60em;">
<textarea></textarea>
</div>
<pre id="output" style="border: 1px solid black; width: 50%; background-color: rgb(200,200,255);"></div>
<script type="text/javascript">
var finds_if_regex = /(?:\s*)(if\s*\([^)]+\)\s*)(\{[^}]*\})/;
function make_new_if(c1, c2) {
var target;
if (c1 == undefined) { target = $(this); }
if (c2 == undefined) { target = $(c1); }
else { target = $(c2); }
if (!target.is('.block.base')) {
target.find('.block.base').each(make_new_if);
} else if (finds_if_regex.exec(target.html())) {
var contents = target.html();
var split_up = contents.split(finds_if_regex);
var new_blocks = [];
new_blocks.push($('<div></div>').append(split_up[0]).addClass('block base'));
for (var i=1; i<split_up.length; i+=3) {
var if_container = $('<div></div>').addClass('block if');
var branch_container = $('<div></div>').addClass('branch if');
var conditional = $('<div></div>').addClass('condition').html(split_up[i]);
var result = $('<div></div>').addClass('block base').html(split_up[i+1]);
branch_container.append(conditional);
branch_container.append(result);
if_container.append(branch_container);
new_blocks.push(if_container);
if (split_up[i+2] != '') {
var post_if = $('<div></div>').addClass('block base').html(split_up[i+2]);
new_blocks.push(post_if);
}
}
target.after(new_blocks);
console.log(new_blocks);
target.remove();
}
}
var finds_else_regex = /(?:[^\S])\s*else\s*(\{[^}]*\})/;
function make_new_else(c1, c2) {
var target;
if (c1 == undefined) { target = $(this); }
if (c2 == undefined) { target = $(c1); }
else { target = $(c2); }
if (!target.is('.block.base')) {
target.find('.block.base')
}
}
var collapsible_block_selector = '.block.base';
var empty_text_regex = /\S/
var cbs = collapsible_block_selector;
function collapse_blocks(c1, c2) {
var target;
if (c1 == undefined) { target = $(this); }
if (c2 == undefined) { target = $(c1); }
else { target = $(c2); }
target.find('.block.base').filter(function() { return !empty_text_regex.exec($(this).text()); }).remove();
target.find('.block.base + .block.base').each(function () {
var base = $(this).prev('.block.base');
var new_base_contents = base.html() + '<br>' + $(this).html();
base.html(new_base_contents);
$(this).remove();
});
target.children().each(collapse_blocks);
}
$(document).ready(function () {
$('#editor').on('input', function() { make_new_if($(this)); });
$('#editor').on('input', function() { collapse_blocks($(this)); });
});
</script>
</body>
</html>