source: trunk/phpgwapi/js/tools/xlink.js @ 2710

( function( )
{
        var _path = null;
        var _last_request = null;

        var _connector = null;
        var _script = new XScript;

        var _container = null;
        var _divAppboxHeader = null;

        var _loading = new Image( );

        function _click( _action, _cache )
        {
                if ( _action.indexOf( window.location.host ) < 0 )
                        _action = window.location.protocol + '//' + window.location.host + _action;

                if ( _action == _last_request )
                        return false;

                if ( _divAppboxHeader )
                        _divAppboxHeader.innerHTML = '';

                if ( _container )
                {
                        var _center = document.createElement( 'center' );
                        _center.appendChild( _loading );

                        _container.innerHTML = '';
                        _container.appendChild( _center );
                }

                _connector.go(
                {
                        'access' : _action,
                        'cache' : _cache,
                        'handler' : _handler
                } );

                _last_request = _action;

                window.location = '#' + (
                        ( _action.indexOf( _path ) < 0 ) ?
                                _action : _action.substr( _action.indexOf( _path ) + URL_SERVER.length )
                );
        }

        function _intercept( pLink )
        {
                var action = pLink.href;
                if ( action == '' )
                        return false;

                var a = ( action.indexOf( 'javascript:' ) === 0 );
                a = ( a || ( action.indexOf( '#' ) === 0 ) );
                a = ( a || ( action.indexOf( window.location + '#' ) === 0 ) );
                a = ( a || ! ( action.indexOf( 'workflow' ) < 0 ) );

                if ( ! a )
                        pLink.onclick = function( )
                        {
                                var _cacheit = false;//( ( pLink.hasAttribute( 'cacheit' ) && pLink.getAttribute( 'cacheit' ) === 'true' ) ? true : false );

                                _click( action, _cacheit );

                                return false;
                        };
        }

        function _handler( data )
        {
                var js = data.match( /<script[^>]*>.*?<\/script>/g );
                var _new_scripts = [ ];
                if ( js )
                {
                        var tag = /<script([^>]* src="(\S+)"|[^>]*)>(.*?)<\/script>/;
                        for ( var i = 0; i < js.length; i++ )
                        {
                                var type = tag.exec( js[ i ] );
                                data = data.replace( "\n\t\t" + type[ 0 ], '' );
                                _new_scripts[ _new_scripts.length ] = type;
                        }
                }

                var el = document.createElement( 'div' );
                el.innerHTML = data;

                var _links = el.getElementsByTagName( 'a' );
                for ( var i = 0; i < _links.length; i++ )
                        _intercept( _links.item( i ) );

                _container.innerHTML = '';
                while ( el.hasChildNodes( ) )
                        _container.appendChild( el.firstChild );

                var _count = 0;
                function _scripts( )
                {
                        if ( _new_scripts[ _count ][ 2 ] == undefined || _new_scripts[ _count ][ 2 ].length == 0 )
                                _script.load( function( )
                                {
                                        if ( ++_count < _new_scripts.length )
                                                _scripts( );
                                }, _new_scripts[ _count ][ 3 ] );
                        else
                        {
                                if ( _new_scripts[ _count ][ 2 ].indexOf( window.location.host ) < 0 )
                                        _new_scripts[ _count ][ 2 ] = window.location.protocol + '//' + window.location.host + _new_scripts[ _count ][ 2 ];

                                _script.add(
                                        _new_scripts[ _count ][ 2 ].substr(
                                                _path.length - 1,
                                                _new_scripts[ _count ][ 2 ].length - _path.length + 1 - (
                                                        ( _new_scripts[ _count ][ 2 ].indexOf( '?' ) < 0 ) ?
                                                                0 : ( _new_scripts[ _count ][ 2 ].length - _new_scripts[ _count ][ 2 ].indexOf( '?' ) )
                                                )
                                        )
                                );
                                if ( ++_count < _new_scripts.length )
                                        _scripts( );
                        }
                }

                if ( _new_scripts.length )
                {
                        _scripts( );
                        _script.load( );
                }
        }

        function Link( )
        {
                _path = ( arguments.length && arguments[ 0 ].constructor == String ) ? arguments[ 0 ] : '/';

                if ( window.location.protocol + '//' + window.location.host + window.location.pathname != _path )
                        window.location.href = _path + (
                                ( window.location.hash ) ?
                                        window.location.hash : '#' + String( window.location.protocol + '//' + window.location.host + window.location.pathname + window.location.search ).substr( _path.length )
                        );

                _loading.src = _path + 'phpgwapi/templates/'+template+'/images/loading.gif';
                _connector = new XConnector;
        }

        Link.prototype.click = function( )
        {
                _click( arguments[ 0 ],
                        (
                                ( arguments.length > 1 && arguments[ 1 ].constructor == Boolean ) ?
                                        arguments[ 1 ] : false
                        )
                );
        };
        Link.prototype.intercept = _intercept;

        window.XLink = Link;

        XEvents.add( window, 'onload', function( )
        {
                _divAppboxHeader = document.getElementById( 'divAppboxHeader' );
                _divAppboxHeader.innerHTML = '';

                _container = document.getElementById( 'divAppbox' );
        } );
} )( );