/**
* Quick code mouse double click handler.
*/
function quickCodeHandler(e)
{
var target = e.target,
highlighterDiv = findParentElement(target, '.syntaxhighlighter'),
container = findParentElement(target, '.container'),
textarea = document.createElement('textarea'),
highlighter
;
if (!container || !highlighterDiv || findElement(container, 'textarea'))
return;
highlighter = getHighlighterById(highlighterDiv.id);
// add source class name
addClass(highlighterDiv, 'source');
// Have to go over each line and grab it's text, can't just do it on the
// container because Firefox loses all \n where as Webkit doesn't.
var lines = container.childNodes,
code = []
;
for (var i = 0; i < lines.length; i++)
code.push(lines[i].innerText || lines[i].textContent);
// using \r instead of \r or \r\n makes this work equally well on IE, FF and Webkit
code = code.join('\r');
// inject <textarea/> tag
textarea.appendChild(document.createTextNode(code));
container.appendChild(textarea);
// preselect all text
textarea.focus();
textarea.select();
// set up handler for lost focus
attachEvent(textarea, 'blur', function(e)
{
textarea.parentNode.removeChild(textarea);
removeClass(highlighterDiv, 'source');
});
};
Вот исходник этой функции, только я всё-равно механизм не могу понять((
)
