/*
	developed by Webstar1992
	date : 10 - 04 - 2010
*/
(function($){

// Some variables that need scope
var flashMinVersion = [8,0,0];
var flashMaxVersion = [9,999,999];
var flashDetectedVersion = [0,0,0];
var swfpath;
var debugging;

var flashdetect = function( minVersion, maxVersion ){
	// Flash detection
	// Based on swfObject 2.0: http://code.google.com/p/swfobject/
	var d = null;
	var minVersionOk = false;
	var maxVersionOk = false;
	if (typeof navigator.plugins != "undefined" && typeof navigator.plugins["Shockwave Flash"] == "object") {
		d = navigator.plugins["Shockwave Flash"].description;
		if (d) {
			// Got Flash, parse version
			d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
			flashDetectedVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
			flashDetectedVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
			if ( /r/.test(d) ) {
				flashDetectedVersion[2] = parseInt(d.replace(/^.*r(.*)$/, "$1"), 10);
			} else {
				flashDetectedVersion[2] = 0;
			}
			if (flashDetectedVersion[0] > minVersion[0] || (flashDetectedVersion[0] == minVersion[0] && flashDetectedVersion[1] > minVersion[1]) || (flashDetectedVersion[0] == minVersion[0] && flashDetectedVersion[1] == minVersion[1] && flashDetectedVersion[2] >= minVersion[2])){
				minVersionOk = true; // Minimum Flash version requirement met
			}
			if (flashDetectedVersion[0] < maxVersion[0] || (flashDetectedVersion[0] == maxVersion[0] && flashDetectedVersion[1] < maxVersion[1]) || (flashDetectedVersion[0] == maxVersion[0] && flashDetectedVersion[1] == maxVersion[1] && flashDetectedVersion[2] <= maxVersion[2])){
				maxVersionOk = true; // Maximum Flash version requirement met
			}
			if ( minVersionOk && maxVersionOk ){
				return true; // Flash version OK
			}
			return false; // Flash version not supported
		}
	}
	// No Flash detected
	return false;
};

var iecopydetect = function(){
	// Check for IE method
	if ( typeof window.clipboardData != "undefined" ){
		return true;
	}
};

var debug = function( string ){
	if ( debugging && typeof console != "undefined" && typeof console.log == "function" ){
		console.log( string );
	}
};

var swfready = function(){
	
	// The swf is already loaded, ignore
	if ( $.clipboardReady.done ) {
		return false;
	}
	
	// Count how many times swfready() has been called
	if ( typeof $.clipboardReady.counter == 'undefined' ){
		// Init counter
		$.clipboardReady.counter = 0;
	}
	// Increment counter
	$.clipboardReady.counter++;
	if ( $.clipboardReady.counter > 599 ){
		// Terminate process after 600 executions to avoid calling indefinitely and crashing some 
		// browsers (observed in Firefox 2.x). At 100ms interval, this should be plenty of time for 
		// the swf to load on even the slowest connections.
		clearInterval( $.clipboardReady.timer );
		// Debug
		debug("Waited "+$.clipboardReady.counter/10+" seconds for Flash object to load, terminating.");
		return false;
	}
	if ( ($.clipboardReady.counter % 100) == 0 ){
		// Debug
		debug("Waited "+$.clipboardReady.counter/10+" seconds for Flash object to load so far...");
	}
	
	// Check to see if the swf's external interface is ready
	var swf = $("#jquery_clipboard_swf:first");
	var swfdom = $(swf).get(0);
	if ( typeof swfdom.jqueryClipboardCopy == "function" && swfdom.jqueryClipboardAvailable ){
		
		// Swf is ready, stop checking
		clearInterval( $.clipboardReady.timer );
		$.clipboardReady.timer = null;
		
		// Set copy method
		$.clipboard.method = 'flash';
		
		// Execute queued functions
		for ( var i = 0; i < $.clipboardReady.ready.length; i++ ){
			$.clipboardReady.ready[i]();
		}
		
		// Remember that the swf is ready
		$.clipboardReady.ready = null;
		$.clipboardReady.done = true;
		
		// Everything is totally ready now
		debug( "jQuery.clipboard: OK. Initialized and ready to copy using Flash method." );
	}
};

$.clipboardReady = function( f, options ){
	
	// Options
	options = jQuery.extend({
		swfpath: "jquery.clipboard.swf",
		debug: false
	}, options);
	swfpath = options.swfpath;
	debugging = options.debug;
	
	// Run immediately if IE method available
	if ( iecopydetect() ){
		$.clipboard.method = 'ie';
		debug( "jQuery.clipboard: OK. Initialized and ready to copy using native IE method." );
		return f();
	}
	
	// Run immediately if Flash 8 is available and loaded
	if ( $.clipboardReady.done ){
		return f();
	}
	
	// If we've already added a function
	if ( $.clipboardReady.timer ){
		
		// Add to the existing array
		$.clipboardReady.ready.push( f );
		
	} else {
		
		// Check for Flash and Flash version
		if ( flashdetect( flashMinVersion, flashMaxVersion ) ){
			
			// Flash detected OK
			
			// Destroy any existing elements
			$( "#jquery_clipboard_swf" ).remove();
			$( "#jquery_clipboard_div" ).remove();
			
			// Create the wrapper div
			var div;
			div = $( "<div/>" )
				.attr( "id", "jquery_clipboard_div" )
				.css( "width", "0" )
				.css( "height", "0" )
				.appendTo( "body" )
				.html( "" );
			// Create the helper swf
			// Use embed method since we're only targeting non-IE browsers anyway
			var swf;
			swf = $( '<embed id="jquery_clipboard_swf" name="jquery_clipboard_swf" src="'+swfpath+'" type="application/x-shockwave-flash"></embed>' );
			$( swf )
				.css( "width", "0" )
				.css( "height", "0" )
				.appendTo( div );
			
			// Init the functions array
			$.clipboardReady.ready = [ f ];
			
			// Continually check to see if the swf is loaded
			$.clipboardReady.timer = setInterval( swfready, 100 );
			
			// Debug
			debug( "jQuery.clipboard: INFO. Waiting for Flash object to become ready. Detected Flash version: "+flashDetectedVersion[0]+"."+flashDetectedVersion[1]+"."+flashDetectedVersion[2] );
			
		} else if ( flashDetectedVersion[0] === 0 ){
			
			// Flash not detected
			debug( "jQuery.clipboard: ERROR. Flash plugin not detected." );
			return false;
			
		} else {
			
			// Flash version not supported
			debug( "jQuery.clipboard: ERROR. Flash version not supported. Minimum: "+flashMinVersion[0]+"."+flashMinVersion[1]+"."+flashMinVersion[2]+" Maximum: "+flashMaxVersion[0]+"."+flashMaxVersion[1]+"."+flashMaxVersion[2]+" Detected: "+flashDetectedVersion[0]+"."+flashDetectedVersion[1]+"."+flashDetectedVersion[2] );
			return false;
			
		}
	}
};

$.clipboard = function( text ){
	
	// Check arguments
	if ( arguments.length < 1 || typeof text != "string" ){
		// First argument is not text
		debug( "jQuery.clipboard: ERROR. Nothing to copy. You must specify a string as the first parameter." );
		return false;
	}
	
	// Looks good, perform copy
	
	// Internet Explorer's built-in method
	if ( $.clipboard.method == 'ie' ){
		try {
			window.clipboardData.setData( "Text", text );
			debug( "jQuery.clipboard: OK. Copied "+text.length+" bytes to clipboard using native IE method." );
			return true;
		} catch (e) {
			debug( "jQuery.clipboard: ERROR. Tried to copy using native IE method but an unknown error occurred." );
			return false;
		}
	}
	
	// Flash method
	if ( $.clipboard.method == 'flash'){
		var swf = $("#jquery_clipboard_swf:first");
		var swfdom = $(swf).get(0);
		if ( swfdom.jqueryClipboardCopy( text ) ){
			// Copy succeeded
			debug( "jQuery.clipboard: OK. Copied "+text.length+" bytes to clipboard using Flash method." );
			return true;
		} else {
			// Copy failed
			debug( "jQuery.clipboard: ERROR. Tried to copy using Flash method but an unknown error occurred." );
			return false;
		}
	}
	
	// Uh-oh. Somebody called $.clipboard() without $.clipboardReady()
	debug( "jQuery.clipboard: ERROR. You must use $.clipboardReady() in conjunction with $.clipboard()." );
	return false;
	
};

})(jQuery); /* jQuery.clipboard */