Move to static, rewrite client-JS

This commit is contained in:
John Crepezzi 2011-11-18 10:17:41 -05:00
parent 5b874e3456
commit c5a551f770
7 changed files with 181 additions and 65 deletions

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@ -1,63 +0,0 @@
// TODO implement save as a jquery method
// TODO support for browsers without pushstate
// TODO support for push state navigation
var save = function(data, callback) {
var high = hljs.highlightAuto(data);
var pack = {
language: high.language,
data: data
};
pack.value = high.value;
pack.uuid = '123456';
callback(pack);
};
$(function() {
$('textarea').focus();
$('textarea').keyup(function(evt) {
if (evt.ctrlKey && evt.which === 76) {
save($('textarea').val(), function(ret) {
if (ret) {
$('#box code').html(ret.value);
// window.history.pushState(null, 'Heist - ' + ret.language, '/~john/heist/' + ret.uuid);
document.title = 'heist - ' + ret.language;
$('textarea').hide();
$('#box').show();
}
});
}
});
$('textarea').keydown(function(evt) {
if (evt.keyCode === 9) {
evt.preventDefault();
var myValue = ' ';
// Inspired by http://stackoverflow.com/questions/946534/insert-text-into-textarea-with-jquery
// For browsers like Internet Explorer
if (document.selection) {
this.focus();
sel = document.selection.createRange();
sel.text = myValue;
this.focus();
}
// Mozilla and Webkit
else if (this.selectionStart || this.selectionStart == '0') {
var startPos = this.selectionStart;
var endPos = this.selectionEnd;
var scrollTop = this.scrollTop;
this.value = this.value.substring(0, startPos)+myValue+this.value.substring(endPos,this.value.length);
this.focus();
this.selectionStart = startPos + myValue.length;
this.selectionEnd = startPos + myValue.length;
this.scrollTop = scrollTop;
}
else {
this.value += myValue;
this.focus();
}
}
});
});

58
server.js Normal file
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@ -0,0 +1,58 @@
var http = require('http');
var fs = require('fs');
var path = require('path');
var url = require('url');
// TODO logging
// TODO preparse static instead of using exists
//////////////
var StaticHandler = function(path) {
this.path = path;
this.defaultPath = '/index.html';
};
StaticHandler.contentTypeFor = function(ext) {
if (ext == '.js') return 'text/javascript';
else if (ext == '.css') return 'text/css';
else if (ext == '.html') return 'text/html';
else if (ext == '.ico') return 'image/ico';
else console.log(ext);
};
StaticHandler.prototype.handle = function(request, response) {
var inc = url.parse(request.url, false);
var filePath = this.path + (inc.pathname == '/' ? this.defaultPath : inc.pathname);
path.exists(filePath, function(exists) {
if (exists) {
fs.readFile(filePath, function(error, content) {
if (error) {
// TODO make nice
console.log(error);
response.writeHead(500);
response.end();
}
else {
response.writeHead(200, { 'content-type': StaticHandler.contentTypeFor(path.extname(filePath)) });
response.end(content, 'utf-8');
}
});
}
else {
// TODO make nice
response.writeHead(404);
response.end();
}
});
};
///////////
http.createServer(function(request, response) {
var handler = new StaticHandler('./static');
handler.handle(request, response);
}).listen(7777);

115
static/application.js Normal file
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@ -0,0 +1,115 @@
var heist_document = function() {
this.locked = false;
};
heist_document.prototype.save = function(data, callback) {
if (this.locked) {
return false;
}
var high = hljs.highlightAuto(data);
var pack = {
language: high.language,
data: data
};
pack.value = high.value;
pack.uuid = '123456';
this.locked = true;
callback(pack);
};
var heist = function(appName) {
this.appName = appName;
this.setTitle();
this.$textarea = $('textarea');
this.$box = $('#box');
this.$code = $('#box code');
this.configureShortcuts();
};
// Set the page title - include the appName
heist.prototype.setTitle = function(ext) {
var title = ext ? this.appName + ' - ' + ext : this.appName;
document.title = title;
};
// Remove the current document (if there is one)
// and set up for a new one
heist.prototype.newDocument = function(ext) {
this.doc = new heist_document();
this.$box.hide();
this.$textarea.val('').show().focus();
}
// Lock the current document
heist.prototype.lockDocument = function() {
var _this = this;
this.doc.save(this.$textarea.val(), function(ret) {
if (ret) {
_this.$code.html(ret.value);
_this.setTitle(ret.language);
_this.$textarea.val('').hide();
_this.$box.show();
}
});
};
// Configure keyboard shortcuts for the textarea
heist.prototype.configureShortcuts = function() {
var _this = this;
this.$textarea.keyup(function(evt) {
// ^L for lock
if (evt.ctrlKey && evt.which === 76) {
_this.lockDocument();
}
});
};
// TODO refuse to lock empty documents
// TODO support for browsers without pushstate
// TODO support for push state navigation
// TODO ctrl-n for new
// TODO ctrl-d for duplicate
$(function() {
$('textarea').focus();
$('textarea').keydown(function(evt) {
if (evt.keyCode === 9) {
evt.preventDefault();
var myValue = ' ';
// http://stackoverflow.com/questions/946534/insert-text-into-textarea-with-jquery
// For browsers like Internet Explorer
if (document.selection) {
this.focus();
sel = document.selection.createRange();
sel.text = myValue;
this.focus();
}
// Mozilla and Webkit
else if (this.selectionStart || this.selectionStart == '0') {
var startPos = this.selectionStart;
var endPos = this.selectionEnd;
var scrollTop = this.scrollTop;
this.value = this.value.substring(0, startPos) + myValue +
this.value.substring(endPos,this.value.length);
this.focus();
this.selectionStart = startPos + myValue.length;
this.selectionEnd = startPos + myValue.length;
this.scrollTop = scrollTop;
}
else {
this.value += myValue;
this.focus();
}
}
});
});

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@ -37,13 +37,19 @@
<script type="text/javascript" src="highlight.min.js"></script> <script type="text/javascript" src="highlight.min.js"></script>
<script type="text/javascript" src="application.js"></script> <script type="text/javascript" src="application.js"></script>
<script type="text/javascript">
$(function() {
var app = new heist('heist');
app.newDocument();
});
</script>
</head> </head>
<body> <body>
<pre id="box" style="display:none;"><code></code></pre> <pre id="box" style="display:none;"><code></code></pre>
<textarea spellcheck="false" style="display:none;"></textarea>
<textarea spellcheck="false"></textarea>
</body> </body>