190 lines
5.2 KiB
HTML
190 lines
5.2 KiB
HTML
<!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 {
|
|
white-space: pre-line;
|
|
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">
|
|
|
|
finds_if_regex = /(?:^|\s+)(if\s*\([^)]+\)\s*)({[^}]*})/
|
|
function make_new_if(text_area) {
|
|
if (text_area.is('.block.base')) {
|
|
var contents = text_area.html();
|
|
var split_up = contents.split(finds_if_regex);
|
|
var new_blocks = [];
|
|
new_blocks.append($('<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.append(if_container);
|
|
if (split_up[i+2] != '') {
|
|
var post_if = $('<div></div>').addClass('block base').html(split_up[i+2]);
|
|
new_blocks.append(post_if);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
function make_new_else(text_area) {
|
|
|
|
}
|
|
</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
|
|
or something
|
|
</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
|
|
do other thing
|
|
{} | : {} ();
|
|
</div>
|
|
<div class="block while">
|
|
<div class="condition">while (something)</div>
|
|
<div class="block base">
|
|
update the counters
|
|
hack the gibsons
|
|
do the stuff
|
|
</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">
|
|
|
|
// Finds an if block, breaking text up around it into useful subblocks.
|
|
function separate_if_blocks (text_area) {
|
|
contents = $(text_area).val();
|
|
search = /([\s\S]*)(if\s*\([^)]+\)\s*)({[^}]*})(\s*else\s*)({[^}]*})([\s\S]*)/.exec(contents);
|
|
if (search) {
|
|
return {
|
|
'found': true,
|
|
'before': search[1],
|
|
'the_if': search[2],
|
|
'true_block': search[3],
|
|
'the_else': search[4],
|
|
'false_block': search[5],
|
|
'after': search[6],
|
|
};
|
|
} else {
|
|
return {'found': false,};
|
|
}
|
|
}
|
|
function textarea_change_listener(event) {
|
|
var text_area = $(event.target);
|
|
|
|
format_block(text_area.parents('.block'), into=$('#output'));
|
|
|
|
var s = separate_if_blocks(text_area);
|
|
console.log(s);
|
|
if (s.found) {
|
|
var block = text_area.parent('.block')
|
|
var before = $('<textarea>' + s.before + '</textarea>');
|
|
var true_block = $('<div class="block true" />').append(
|
|
$('<textarea>' + s.the_if + '</textarea>').addClass('if-condition')
|
|
).append(
|
|
$('<textarea>' + s.true_block + '</textarea>').addClass('if-code')
|
|
);
|
|
var else_block = $('<div class="block false" />').append(
|
|
$('<textarea>' + s.the_else + '</textarea>').addClass('else-condition')
|
|
).append(
|
|
$('<textarea>' + s.false_block + '</textarea>').addClass('else-code')
|
|
);
|
|
var after = $('<textarea>' + s.after + '</textarea>');
|
|
block.append(before, true_block, else_block, after);
|
|
text_area.remove();
|
|
}
|
|
}
|
|
|
|
function format_block (from, into) {
|
|
if (from.length > 1) { return; }
|
|
contents = '';
|
|
from.find('textarea,.block').each(function (index, element) {
|
|
if ($(element).is('textarea')) {
|
|
contents += $(element).val();
|
|
} else {
|
|
contents += format_block($(element));
|
|
}
|
|
});
|
|
if (into == undefined) {
|
|
return contents;
|
|
} else {
|
|
into.html(contents);
|
|
}
|
|
}
|
|
$(document).ready(function () {
|
|
$('#editor').on('input', '.block.base', make_new_if);
|
|
});
|
|
</script>
|
|
</body>
|
|
</html>
|