source: trunk/admin/inc/ckeditor/_source/plugins/popup/plugin.js@ 248

/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

CKEDITOR.plugins.add( 'popup' );

CKEDITOR.tools.extend( CKEDITOR.editor.prototype,
{
        /**
         * Opens Browser in a popup. The "width" and "height" parameters accept
         * numbers (pixels) or percent (of screen size) values.
         * @param {String} url The url of the external file browser.
         * @param {String} width Popup window width.
         * @param {String} height Popup window height.
         * @param {String} options Popup window features.
         */
        popup : function( url, width, height, options )
        {
                width = width || '80%';
                height = height || '70%';

                if ( typeof width == 'string' && width.length > 1 && width.substr( width.length - 1, 1 ) == '%' )
                        width = parseInt( window.screen.width * parseInt( width, 10 ) / 100, 10 );

                if ( typeof height == 'string' && height.length > 1 && height.substr( height.length - 1, 1 ) == '%' )
                        height = parseInt( window.screen.height * parseInt( height, 10 ) / 100, 10 );

                if ( width < 640 )
                        width = 640;

                if ( height < 420 )
                        height = 420;

                var top = parseInt( ( window.screen.height - height ) / 2, 10 ),
                        left = parseInt( ( window.screen.width  - width ) / 2, 10 );

                options = ( options || 'location=no,menubar=no,toolbar=no,dependent=yes,minimizable=no,modal=yes,alwaysRaised=yes,resizable=yes,scrollbars=yes' ) +
                        ',width='  + width +
                        ',height=' + height +
                        ',top='  + top +
                        ',left=' + left;

                var popupWindow = window.open( '', null, options, true );

                // Blocked by a popup blocker.
                if ( !popupWindow )
                        return false;

                try
                {
                        popupWindow.moveTo( left, top );
                        popupWindow.resizeTo( width, height );
                        popupWindow.focus();
                        popupWindow.location.href = url;
                }
                catch ( e )
                {
                        popupWindow = window.open( url, null, options, true );
                }

                return true;
        }
});