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path: root/deluge/ui/web/js/deluge-all/add/OptionsPanel.js
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/*!
 * Deluge.add.OptionsPanel.js
 *
 * Copyright (c) Damien Churchill 2009-2011 <damoxc@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, write to:
 *     The Free Software Foundation, Inc.,
 *     51 Franklin Street, Fifth Floor
 *     Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the OpenSSL
 * library.
 * You must obey the GNU General Public License in all respects for all of
 * the code used other than OpenSSL. If you modify file(s) with this
 * exception, you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete
 * this exception statement from your version. If you delete this exception
 * statement from all source files in the program, then also delete it here.
 */

Ext.define('Deluge.add.OptionsPanel', {
    extend: 'Ext.TabPanel',

    torrents: {},

    // layout options
    region: 'south',
    margins: '5 5 5 5',
    activeTab: 0,
    height: 220,

    initComponent: function() {
        this.callParent(arguments);
        this.files = this.add(new Deluge.add.FilesTab());
        this.form = this.add(new Deluge.add.OptionsTab());

        this.files.on('fileschecked', this.onFilesChecked, this);
    },

    addTorrent: function(torrent) {
        this.torrents[torrent['info_hash']] = torrent;
        var fileIndexes = {};
        this.walkFileTree(torrent['files_tree'], function(filename, type, entry, parent) {
            if (type != 'file') return;
            fileIndexes[entry.index] = entry.download;
        }, this);

        var priorities = [];
        Ext.each(Ext.keys(fileIndexes), function(index) {
            priorities[index] = fileIndexes[index];
        });

        var oldId = this.form.optionsManager.changeId(torrent['info_hash'], true);
        this.form.optionsManager.setDefault('file_priorities', priorities);
        this.form.optionsManager.changeId(oldId, true);
    },

    clear: function() {
        this.files.clearFiles();
        this.form.optionsManager.resetAll();
    },

    getFilename: function(torrentId) {
        return this.torrents[torrentId]['filename'];
    },

    getOptions: function(torrentId) {
        var oldId = this.form.optionsManager.changeId(torrentId, true);
        var options = this.form.optionsManager.get();
        this.form.optionsManager.changeId(oldId, true);
        Ext.each(options['file_priorities'], function(priority, index) {
            options['file_priorities'][index] = (priority) ? 1 : 0;
        });
        return options;
    },

    setTorrent: function(torrentId) {
        if (!torrentId) return;

        this.torrentId = torrentId;
        this.form.optionsManager.changeId(torrentId);

        this.files.clearFiles();
        var root = this.files.getRootNode();
        var priorities = this.form.optionsManager.get('file_priorities');

        this.walkFileTree(this.torrents[torrentId]['files_tree'], function(filename, type, entry, parentNode) {
            var node = new Ext.tree.TreeNode({
                download:  (entry.index) ? priorities[entry.index] : true,
                filename:  filename,
                fileindex: entry.index,
                leaf:      type != 'dir',
                size:      entry.length
            });
            parentNode.appendChild(node);
            if (type == 'dir') return node;
        }, this, root);
        root.firstChild.expand();
    },

    walkFileTree: function(files, callback, scope, parentNode) {
        for (var filename in files.contents) {
            var entry = files.contents[filename];
            var type = entry.type;

            if (scope) {
                var ret = callback.apply(scope, [filename, type, entry, parentNode]);
            } else {
                var ret = callback(filename, type, entry, parentNode);
            }

            if (type == 'dir') this.walkFileTree(entry, callback, scope, ret);
        }
    },

    onFilesChecked: function(nodes, newValue, oldValue) {
        if (this.form.optionsManager.get('compact_allocation')) {
            Ext.Msg.show({
                title: _('Unable to set file priority!'),
                msg:   _('File prioritization is unavailable when using Compact allocation. Would you like to switch to Full allocation?'),
                buttons: Ext.Msg.YESNO,
                fn: function(result) {
                    if (result == 'yes') {
                        this.form.optionsManager.update('compact_allocation', false);
                        Ext.each(nodes, function(node) {
                            if (node.attributes.fileindex < 0) return;
                            var priorities = this.form.optionsManager.get('file_priorities');
                            priorities[node.attributes.fileindex] = newValue;
                            this.form.optionsManager.update('file_priorities', priorities);
                        }, this);
                    } else {
                        this.files.setDownload(nodes[0], oldValue, true);
                    }
                },
                scope: this,
                icon: Ext.MessageBox.QUESTION
            });
        } else {
            Ext.each(nodes, function(node) {
                if (node.attributes.fileindex < 0) return;
                var priorities = this.form.optionsManager.get('file_priorities');
                priorities[node.attributes.fileindex] = newValue;
                this.form.optionsManager.update('file_priorities', priorities);
            }, this);
        }
    }
});