190 lines
5.2 KiB
HTML
190 lines
5.2 KiB
HTML
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<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>A smart, organizing text editor</title>
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<link href="/static/bootstrap/css/bootstrap.css" rel="stylesheet" type="text/css">
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<link href="/static/bootstrap/css/bootstrap-responsive.css" rel="stylesheet" type="text/css">
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<link href="/static/shoofle.css" rel="stylesheet" type="text/css">
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<script src="/static/jquery.min.js" type="text/javascript"></script>
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<style type="text/css">
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textarea {
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width: 100%;
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margin: 0;
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}
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.block {
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white-space: pre-line;
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font-family: monospace;
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background-color: white;
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padding: 4px;
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}
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.block.if {
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white-space: normal;
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background-color: rgb(200,200,255);
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}
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.branch {
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background-color: rgb(200,255,200);
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}
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.block.while {
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background-color: rgb(255,200,200);
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}
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</style>
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</head>
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<body style="background-color: gray; margin: 1em;">
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<div style="display: none;"></div>
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When I see the text "if (something)", then I should make a new if block.
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["block", "block"] => ["block"]
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["block", "block while"] => ["block", "block while"]
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["block", "block if"] => ["block", "block if"]
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<script type="text/javascript">
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finds_if_regex = /(?:^|\s+)(if\s*\([^)]+\)\s*)({[^}]*})/
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function make_new_if(text_area) {
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if (text_area.is('.block.base')) {
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var contents = text_area.html();
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var split_up = contents.split(finds_if_regex);
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var new_blocks = [];
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new_blocks.append($('<div></div>').append(split_up[0]).addClass('block base'));
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for (var i=1; i<split_up.length; i+=3) {
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var if_container = $('<div></div>').addClass('block if');
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var branch_container = $('<div></div>').addClass('branch if');
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var conditional = $('<div></div>').addClass('condition').html(split_up[i]);
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var result = $('<div></div>').addClass('block base').html(split_up[i+1]);
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branch_container.append(conditional);
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branch_container.append(result);
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if_container.append(branch_container);
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new_blocks.append(if_container);
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if (split_up[i+2] != '') {
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var post_if = $('<div></div>').addClass('block base').html(split_up[i+2]);
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new_blocks.append(post_if);
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}
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}
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}
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}
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function make_new_else(text_area) {
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}
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</script>
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<style type="text/css">
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.block {display: block;}
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.branch {display: inline-block;}
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</style>
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<div class="block" id="editor" contentEditable>
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<div class="block base" >
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some kind of preparation code, I guess
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or something
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</div>
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<div class="block if">
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<div class="branch if">
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<div class="condition">if (condition)</div>
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<div class="block base">do something in response to a true condition</div>
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</div>
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<div class="branch else-if">
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<div class="condition">else if (some other condition)</div>
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<div class="block base">then we should do something specific else</div>
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</div>
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<div class="branch else">
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<div class="condition">else</div>
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<div class="block base">some fallback thing!</div>
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</div>
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</div>
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<div class="block base">
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some code
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do other thing
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{} | : {} ();
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</div>
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<div class="block while">
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<div class="condition">while (something)</div>
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<div class="block base">
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update the counters
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hack the gibsons
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do the stuff
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</div>
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</div>
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</div>
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</div>
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<hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr><hr>
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<div></div>
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<div class="block" style="width: 60em;">
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<textarea></textarea>
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</div>
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<pre id="output" style="border: 1px solid black; width: 50%; background-color: rgb(200,200,255);"></div>
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<script type="text/javascript">
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// Finds an if block, breaking text up around it into useful subblocks.
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function separate_if_blocks (text_area) {
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contents = $(text_area).val();
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search = /([\s\S]*)(if\s*\([^)]+\)\s*)({[^}]*})(\s*else\s*)({[^}]*})([\s\S]*)/.exec(contents);
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if (search) {
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return {
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'found': true,
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'before': search[1],
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'the_if': search[2],
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'true_block': search[3],
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'the_else': search[4],
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'false_block': search[5],
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'after': search[6],
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};
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} else {
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return {'found': false,};
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}
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}
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function textarea_change_listener(event) {
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var text_area = $(event.target);
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format_block(text_area.parents('.block'), into=$('#output'));
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var s = separate_if_blocks(text_area);
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console.log(s);
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if (s.found) {
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var block = text_area.parent('.block')
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var before = $('<textarea>' + s.before + '</textarea>');
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var true_block = $('<div class="block true" />').append(
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$('<textarea>' + s.the_if + '</textarea>').addClass('if-condition')
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).append(
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$('<textarea>' + s.true_block + '</textarea>').addClass('if-code')
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);
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var else_block = $('<div class="block false" />').append(
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$('<textarea>' + s.the_else + '</textarea>').addClass('else-condition')
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).append(
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$('<textarea>' + s.false_block + '</textarea>').addClass('else-code')
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);
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var after = $('<textarea>' + s.after + '</textarea>');
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block.append(before, true_block, else_block, after);
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text_area.remove();
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}
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}
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function format_block (from, into) {
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if (from.length > 1) { return; }
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contents = '';
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from.find('textarea,.block').each(function (index, element) {
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if ($(element).is('textarea')) {
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contents += $(element).val();
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} else {
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contents += format_block($(element));
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}
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});
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if (into == undefined) {
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return contents;
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} else {
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into.html(contents);
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}
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}
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$(document).ready(function () {
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$('#editor').on('input', '.block.base', make_new_if);
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});
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</script>
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</body>
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</html>
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