mediamanager.js

国外免费开源的内容管理系统

/**
* @version      $Id: mediamanager.js 9884 2008-01-05 16:59:53Z ircmaxell $
* @package      Joomla
* @copyright    Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license      GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/


/**
 * JMediaManager behavior for media component
 *
 * @author      Johan Janssens <[e-mail]>
 * @author      Louis Landry <[e-mail]>
 * @package     Joomla.Extensions
 * @subpackage  Media
 * @since       1.5
 */
var MediaManager = {

    initialize: function()
    {
        this.folderframe    = $('folderframe');
        this.folderpath     = $('folderpath');

        this.updatepaths    = $$('input.update-folder');

        this.frame      = window.frames['folderframe'];
        this.frameurl   = this.frame.location.href;
        //this.frameurl   = window.frames['folderframe'].location.href;

        this.tree = new MooTreeControl({ div: 'media-tree_tree', mode: 'folders', grid: true, theme: 'components/com_media/assets/mootree.gif', onClick:
                function(node){
                    target = $chk(node.data.target) ? node.data.target : '_self';
                    window.frames[target].location.href = node.data.url;
                }
            },{ text: 'Media', open: true, data: { url: 'index.php?option=com_media&view=mediaList&tmpl=component', target: 'folderframe'}});
        this.tree.adopt('media-tree');
    },
    
    submit: function(task)
    {
        form = window.frames['folderframe'].document.getElementById('mediamanager-form');
        form.task.value = task;
        if ($('username')) {
            form.username.value = $('username').value;
            form.password.value = $('password').value;
        }
        form.submit();
    },

    onloadframe: function()
    {
        // Update the frame url
        this.frameurl = this.frame.location.href;

        var folder = this.getFolder();
        if (folder) {
            this.updatepaths.each(function(path){ path.value =folder; });
            this.folderpath.value = basepath+'/'+folder;
            node = this.tree.get('node_'+folder);
            node.toggle(false, true);
        } else {
            this.updatepaths.each(function(path){ path.value = ''; });
            this.folderpath.value = basepath;
            node = this.tree.root;
        }

        if (node) {
            this.tree.select(node, true);
        }

        $(viewstyle).addClass('active');

        a = this._getUriObject($('uploadForm').getProperty('action'));
        q = $H(this._getQueryObject(a.query));
        q.set('folder', folder);
        var query = [];
        q.each(function(v, k){
            if ($chk(v)) {
                this.push(k+'='+v);
            }
        }, query);
        a.query = query.join('&');
        if (a.port) {
            $('uploadForm').setProperty('action', a.scheme+'://'+a.domain+':'+a.port+a.path+'?'+a.query);
        } else {
            $('uploadForm').setProperty('action', a.scheme+'://'+a.domain+a.path+'?'+a.query);
        }
    },

    oncreatefolder: function()
    {
        if ($('foldername').value.length) {
            $('dirpath').value = this.getFolder();
            submitbutton('createfolder');
        }
    },

    setViewType: function(type)
    {
        $(type).addClass('active');
        $(viewstyle).removeClass('active');
        viewstyle = type;
        var folder = this.getFolder();
        this._setFrameUrl('index.php?option=com_media&view=mediaList&tmpl=component&folder='+folder+'&layout='+type);
    },

    refreshFrame: function()
    {
        this._setFrameUrl();
    },

    getFolder: function()
    {
        var url     = this.frame.location.search.substring(1);
        var args    = this.parseQuery(url);

        if (args['folder'] == "undefined") {
            args['folder'] = "";
        }

        return args['folder'];
    },

    parseQuery: function(query)
    {
        var params = new Object();
        if (!query) {
            return params;
        }
        var pairs = query.split(/[;&]/);
        for ( var i = 0; i < pairs.length; i++ )
        {
            var KeyVal = pairs[i].split('=');
            if ( ! KeyVal || KeyVal.length != 2 ) {
                continue;
            }
            var key = unescape( KeyVal[0] );
            var val = unescape( KeyVal[1] ).replace(/\+ /g, ' ');
            params[key] = val;
       }
       return params;
    },

    _setFrameUrl: function(url)
    {
        if ($chk(url)) {
            this.frameurl = url;
        }
        this.frame.location.href = this.frameurl;
    },

    _getQueryObject: function(q) {
        var vars = q.split(/[&;]/);
        var rs = {};
        if (vars.length) vars.each(function(val) {
            var keys = val.split('=');
            if (keys.length && keys.length == 2) rs[encodeURIComponent(keys[0])] = encodeURIComponent(keys[1]);
        });
        return rs;
    },

    _getUriObject: function(u){
        var bits = u.match(/^(?:([^:\/?#.]+):)?(?:\/\/)?(([^:\/?#]*)(?::(\d*))?)((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[\?#]|$)))*\/?)?([^?#\/]*))?(?:\?([^#]*))?(?:#(.*))?/);
        return (bits)
            ? bits.associate(['uri', 'scheme', 'authority', 'domain', 'port', 'path', 'directory', 'file', 'query', 'fragment'])
            : null;
    }
};

window.addEvent('domready', function(){
    // Added to populate data on iframe load
        MediaManager.initialize();
        MediaManager.trace = 'start';
        document.updateUploader = function() { MediaManager.onloadframe(); };
        MediaManager.onloadframe();
});