(function($){
var escape_html = function(str){
return str.replace(/</gm, '&lt;').replace(/>/gm, '&gt;');
};
var unescape_html = function(str){
return str.replace(/&lt;/gm, '<').replace(/&gt;/gm, '>');
};
$.fn.editable = function(event, callback){
if(typeof callback !== 'function') callback = function(){};
if(typeof event === 'string'){
var trigger = this;
var action = event;
var type = 'input';
}
else if(typeof event === 'object'){
var trigger = event.trigger || this;
if(typeof trigger === 'string') trigger = $(trigger);
var action = event.action || 'click';
var type = event.type || 'input';
}
else{
throw('Argument Error - jQuery.editable("click", function(){ ~~ })');
}
var target = this;
var edit = {};
edit.start = function(e){
trigger.unbind(action === 'clickhold' ? 'mousedown' : action);
if(trigger !== target) trigger.hide();
var old_value = (
type === 'textarea' ?
target.text().replace(/<br( \/)?>/gm, '\n').replace(/&gt;/gm, '>').replace(/&lt;/gm, '<') :
target.text()
).replace(/^\s+/,'').replace(/\s+$/,'');
var input = type === 'textarea' ? $('<textarea>') : $('<input>');
input.val(old_value).
css('width', type === 'textarea' ? '100%' : target.width()+target.height() ).
css('font-size','100%').
css('margin',0).attr('id','editable_'+(new Date()*1)).
addClass('editable');
if(type === 'textarea') input.css('height', target.height());
var finish = function(){
var r###lt = input.val().replace(/^\s+/,'').replace(/\s+$/,'');
var html = escape_html(r###lt);
if(type === 'textarea') html = html.replace(/[\r\n]/gm, '<br />');
target.html(html);
callback({value : r###lt, target : target, old_value : old_value});
edit.register();
if(trigger !== target) trigger.show();
};
input.blur(finish);
if(type === 'input'){
input.keydown(function(e){
if(e.keyCode === 13) finish();
});
}
target.html(input);
input.focus();
};
edit.register = function(){
if(action === 'clickhold'){
var tid = null;
trigger.bind('mousedown', function(e){
tid = setTimeout(function(){
edit.start(e);
}, 500);
});
trigger.bind('mouseup mouseout', function(e){
clearTimeout(tid);
});
}
else{
trigger.bind(action, edit.start);
}
};
edit.register();
return this;
};
})(jQuery);