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editor.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta charset="utf-8">
<title>contentEditable - Editor</title>
<style>
#editor:focus {
-moz-webkit-shadow: 0 0 5px blue;
-moz-box-shadow: 0 0 5px blue;
box-shadow: 0 0 5px blue;
}
#editor {
min-height: 100px;
}
fieldset {
display: inline-block;
padding: 5px;
margin: 0 0 5px 0;
border: 1px solid black;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
background: silver;
}
.section {
border: 1px solid black;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
padding: 10px;
margin: 1em 0 2em 0;
}
.innercircle {
margin: 5px 0;
padding: 5px;
border: 1px solid #acacac;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
display: block;
}
hr {
visibility: hidden;
}
#editor-form dl {
position: relative;
display: inline-block;
margin: 0;
}
#editor-form dl dd {
position: absolute;
bottom: 2em;
left: 0;
margin: 0;
padding: 5px;
background: silver;
display: none;
border: 1px solid gray;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
-webkit-box-shadow: 0 0 5px orange;
-moz-box-shadow: 0 0 5px orange;
box-shadow: 0 0 5px orange;
}
#editor-form dt:hover+dd {
display: block;
}
#editor-form dl dt {
display: inline-block;
text-decoration: underline;
font-size: smaller;
}
#validation-results {
margin-top: 20px;
background-color: #eee;
padding: 5px;
}
#validation-results h4,
#validation-results p,
#validation-results dl {
padding: 0;
margin: 0;
}
#validation-results li {
margin-bottom: 20px;
}
#validation-results .source {
margin-top: 10px;
}
#validation-results .error-list h4,
#validation-results .source strong {
color: red;
}
#validation-results .warning-list h4 {
color: blue;
}
#html-input {
width: 100%;
min-height: 5em;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/prototype/1.6.1.0/prototype.js"></script>
</head>
<body>
<div class="section" id="editor-section">
<h2>Editor</h2>
<form id="editor-form">
<fieldset>
<button type="button" data-ed="cmd=bold">bold</button>
<button type="button" data-ed="cmd=italic">italic</button>
<button type="button" data-ed="cmd=subscript">subscript</button>
<button type="button" data-ed="cmd=superscript">superscript</button>
</fieldset>
<fieldset>
<button type="button" data-ed="cmd=insertLineBreak">insertLineBreak</button>
<button type="button" data-ed="cmd=insertParagraph">insertParagraph</button>
<button type="button" data-ed="cmd=insertOrderedList">insertOrderedList</button>
<button type="button" data-ed="cmd=insertUnorderedList">insertUnorderedList</button>
</fieldset>
<fieldset>
<button type="button" data-ed="cmd=insertHTML&arg=table">insertHTML:Table</button>
<button type="button" data-ed="cmd=insertText&arg=lorem">insertText:LoremIpsum</button>
</fieldset>
<fieldset>
<button type="button" data-ed="cmd=formatBlock&arg=p">formatBlock:P</button>
<button type="button" data-ed="cmd=formatBlock&arg=h1">formatBlock:H1</button>
<button type="button" data-ed="cmd=formatBlock&arg=h2">formatBlock:H2</button>
<button type="button" data-ed="cmd=formatBlock&arg=h3">formatBlock:H3</button>
<button type="button" data-ed="cmd=formatBlock&arg=blockquote">formatBlock:Blockquote</button>
</fieldset>
<fieldset>
<button type="button" data-ed="cmd=insertImage">insertImage</button>
<button type="button" data-ed="cmd=createLink">createLink</button>
<button type="button" data-ed="cmd=unlink">unlink</button>
</fieldset>
<div id="editor" class="innercircle" contenteditable="true" >#</div><!--not empty for Fx's cursor-->
<fieldset>
<button type="button" data-ed="cmd=selectAll">selectAll</button>
<button type="button" data-ed="cmd=unselect">unselect</button>
</fieldset>
<fieldset>
<button type="button" data-ed="cmd=delete">delete</button>
<button type="button" data-ed="cmd=forwardDelete">forwardDelete</button>
<dl>
<dt>copy</dt> <dd><kbd><kbd>Ctrl</kbd>+<kbd>C</kbd></kbd> (Win) <br> <kbd><kbd>cmd</kbd>+<kbd>C</kbd></kbd> (Mac)</dd>
<dt>paste</dt> <dd><kbd><kbd>Ctrl</kbd>+<kbd>V</kbd></kbd> (Win) <br> <kbd><kbd>cmd</kbd>+<kbd>V</kbd></kbd> (Mac)</dd>
<dt>cut</dt> <dd><kbd><kbd>Ctrl</kbd>+<kbd>X</kbd></kbd> (Win) <br> <kbd><kbd>cmd</kbd>+<kbd>X</kbd></kbd> (Mac)</dd>
<dt>drag&drop</dt><dd>Select content anywhere with your mouse, and drag it into the editor panel.</dd>
</dl>
</fieldset>
<fieldset>
<button type="button" data-ed="cmd=undo">undo</button>
<button type="button" data-ed="cmd=redo">redo</button>
<button type="button" onclick="$('editor').focus();">focus</button>
</fieldset>
<!--<fieldset>
<button type="button" data-ed="cmd=styleWithCSS">styleWithCSS = <span>false</span></button>
</fieldset>-->
</form>
</div>
<div class="section">
<h2>Direct HTML input</h2>
<form>
<textarea id="html-input"></textarea>
<button type="button" id="html-input-submit">submit</button>
<hr>
</form>
</div>
<div class="section">
<h2>Generated Markup (<code>styleWithCSS == false</code>)</h2>
<code id="editor-markup" class="innercircle"></code>
<button type="button" id="validate-html">validate html</button>
<div id="validation-results" style="display: none">
<h3>Validation Results (Errors: <strong class="error-count"></strong>, Warnings: <strong class="warning-count"></strong>)</h3>
<ol class="error-list"></ol>
<ol class="warning-list"></ol>
</div>
<hr>
</div>
<div class="section">
<h2>Rendered HTML</h2>
<div id="sandbox" class="innercircle"></div>
</div>
<script>
Event.observe(window, 'load',
function() {
var editor = $("editor"),
editorMarkup = $("editor-markup"),
sandbox = $("sandbox");
editor.focus();
initEditor($("editor-form"), false);
setInterval(function() {
if (sandbox.innerHTML != editor.innerHTML) {
editorMarkup.innerHTML = editor.innerHTML.escapeHTML();
sandbox.innerHTML = editor.innerHTML;
$("validation-results").hide();
}
},
500);
});
function initEditor(form, styleWithCSS) {
var buttons = form.select('button[data-ed]');
if (isSupported('styleWithCSS')) {
document.execCommand('styleWithCSS', styleWithCSS, false);
}
buttons.each(function(button) {
var query = button.readAttribute('data-ed').toQueryParams();
var command = query.cmd;
button.disabled = true;
if (command) {
setInterval(function() {
if (isSupported(command))
button.disabled = false;
else
button.disabled = true;
},
500);
switch (command) {
case 'bold':
Event.observe(button, 'click',
function() {
document.execCommand('bold', null, null)
});
break;
case 'italic':
Event.observe(button, 'click',
function() {
document.execCommand('italic', null, null)
});
break;
case 'subscript':
Event.observe(button, 'click',
function() {
document.execCommand('subscript', null, null)
});
break;
case 'superscript':
Event.observe(button, 'click',
function() {
document.execCommand('superscript', null, null)
});
break;
case 'insertLineBreak':
Event.observe(button, 'click',
function() {
document.execCommand('insertLineBreak', false, null)
});
break;
case 'insertParagraph':
Event.observe(button, 'click',
function() {
document.execCommand('insertParagraph', null, null)
});
break;
case 'insertOrderedList':
Event.observe(button, 'click',
function() {
document.execCommand('insertOrderedList', null, null)
});
break;
case 'insertUnorderedList':
Event.observe(button, 'click',
function() {
document.execCommand('insertUnorderedList', null, null)
});
break;
case 'insertHTML':
switch (query.arg) {
case 'table':
Event.observe(button, 'click',
function() {
document.execCommand('insertHTML', null, '<table border="1" cellspacing="0"><thead><tr><th>Thead1</th><th>Thead2</th><th>Thead3</th></tr></thead><tfoot><tr><td>Tfoot1</td><td>Tfoot2</td><td>Tfoot3</td></tr></tfoot><tbody><tr><td>Row1 Col1</td><td>Row1 Col2</td><td>Row1 Col3</td></tr><tr><td>Row2 Col1</td><td>Row2 Col2</td><td>Row3 Col3</td></tr></tbody></table>')
});
break;
default:
break;
}
break;
case 'insertText':
switch (query.arg) {
case 'lorem':
Event.observe(button, 'click',
function() {
document.execCommand('insertText', null, 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.')
});
break;
default:
break;
}
break;
case 'formatBlock':
switch (query.arg) {
case 'p':
Event.observe(button, 'click',
function() {
document.execCommand('formatBlock', null, '<p>')
});
break;
case 'h1':
Event.observe(button, 'click',
function() {
document.execCommand('formatBlock', null, '<h1>')
});
break;
case 'h2':
Event.observe(button, 'click',
function() {
document.execCommand('formatBlock', null, '<h2>')
});
break;
case 'h3':
Event.observe(button, 'click',
function() {
document.execCommand('formatBlock', null, '<h3>')
});
break;
case 'blockquote':
Event.observe(button, 'click',
function() {
document.execCommand('formatBlock', null, '<blockquote>')
});
break;
default:
break;
}
break;
case 'insertImage':
Event.observe(button, 'click',
function() {
document.execCommand('insertImage', false, prompt('Enter a URL:', 'http://'))
});
break;
case 'createLink':
Event.observe(button, 'click',
function() {
document.execCommand('createLink', false, prompt('Enter a URL:', 'http://'))
});
break;
case 'unlink':
Event.observe(button, 'click',
function() {
document.execCommand('unlink', null, null)
});
break;
case 'selectAll':
Event.observe(button, 'click',
function() {
$('editor').focus();
document.execCommand('selectAll', null, null)
});
break;
case 'unselect':
Event.observe(button, 'click',
function() {
document.execCommand('unselect', null, null)
});
break;
case 'delete':
Event.observe(button, 'click',
function() {
document.execCommand('delete', null, null)
});
break;
case 'forwardDelete':
Event.observe(button, 'click',
function() {
document.execCommand('forwardDelete', null, null)
});
break;
case 'undo':
Event.observe(button, 'click',
function() {
document.execCommand('undo', null, null)
});
break;
case 'redo':
Event.observe(button, 'click',
function() {
document.execCommand('redo', null, null)
});
break;
// case 'styleWithCSS':
// Event.observe(button, 'click',
// function() {
// styleWithCSS = (styleWithCSS ? false : true);
// document.execCommand('styleWithCSS', styleWithCSS, null);
// button.down().update(styleWithCSS);
// });
// break;
default:
break;
}
}
});
function isSupported(s) {
try
{
return (document.queryCommandEnabled(s));
} catch(e) {
return false;
//querycommand... function not supported
}
}
$("validate-html").observe("click", (function() {
var VALIDATOR_HTML_TEMPLATE = '<!DOCTYPE html><html><head><title></title></head><body><div>#{html}</div></body></html>';
return function() {
var fragment = VALIDATOR_HTML_TEMPLATE.interpolate({ html: $("editor").innerHTML }),
container = $("validation-results");
new Ajax.Request('validator/proxy.php', {
parameters: { fragment: fragment, output: "json" },
onCreate: Element.hide.curry("validation-results"),
onSuccess: function(transport) {
/**
* Thx to the stupid xml2ary class we use in the backend
* we get deep-nested objects
*/
var response = transport.responseJSON,
results = response["env:Envelope"]["_c"]["env:Body"]["_c"]["m:markupvalidationresponse"]["_c"],
errors = results["m:errors"]["_c"]["m:errorlist"]["_c"],
warnings = results["m:warnings"]["_c"]["m:warninglist"]["_c"],
template = '<li><h4>#{message}</h4><p class="source"><b>Source:</b> #{source}</p><p><b>Line:</b> #{line}, <b>Column</b> #{col}</p></li>',
errorList = container.down(".error-list"),
warningList = container.down(".warning-list"),
unnest = function(object) {
var result = {}, i;
for (i in object) {
result[i.sub("m:", "")] = object[i]["_v"];
}
return result;
};
// Convert the arrays into a readable format
errors = errors ? [errors["m:error"]].flatten() : [];
warnings = warnings ? [warnings["m:warning"]].flatten() : [];
errors = errors.map(function(error) { return unnest(error["_c"]); });
warnings = warnings.map(function(warning) { return unnest(warning["_c"]); });
container.down(".error-count").update(errors.length);
container.down(".warning-count").update(warnings.length);
errors.each(function(error) { errorList.insert(template.interpolate(error)); });
warnings.each(function(warning) { warningList.insert(template.interpolate(warning)); });
container.show();
},
onFailure: function() { alert("http error!"); },
onException: function(xhr, e) { alert("js error, check console!"); console.log("js error", e); }
});
};
})());
$("html-input-submit").observe("click", function() {
$("editor").innerHTML = $("html-input").value;
});
}
</script>
</body>
</html>