owncloud/core

/*
 * Copyright (c) 2014
 *
 * This file is licensed under the Affero General Public License version 3
 * or later.
 *
 * See the COPYING-README file.
 *
 */
(function() {

    /**
     * Construct a new FileActions instance
     * @constructs Files
     */
    var Files = function() {
        this.initialize();
    };
    /**
     * @memberof OCA.Search
     */
    Files.prototype = {

        fileList: null,

        /**
         * Initialize the file search
         */
        initialize: function() {

            var self = this;

            this.fileAppLoaded = function() {
                return !!OCA.Files && !!OCA.Files.App;
            };
            function inFileList($row, result) {
                if (! self.fileAppLoaded()) {
                    return false;
                }
                var dir = self.fileList.getCurrentDirectory().replace(/\/+$/,'');
                var resultDir = OC.dirname(result.path);
                return dir === resultDir && self.fileList.inList(result.name);
            }
            function updateLegacyMimetype(result) {
                // backward compatibility:
                if (!result.mime && result.mime_type) {
                    result.mime = result.mime_type;
                }
            }
            function hideNoFilterResults() {
                var $nofilterresults = $('.nofilterresults');
                if ( ! $nofilterresults.hasClass('hidden') ) {
                    $nofilterresults.addClass('hidden');
                }
            }

            this.renderFolderResult = function($row, result) {
                if (inFileList($row, result)) {
                    return null;
                }
                hideNoFilterResults();
                /*render folder icon, show path beneath filename,
                 show size and last modified date on the right */
                this.updateLegacyMimetype(result);

                var $pathDiv = $('<div class="path"></div>').text(result.path);
                $row.find('td.info div.name').after($pathDiv).text(result.name);

                $row.find('td.result a').attr('href', result.link);
                $row.find('td.icon').css('background-image', 'url(' + OC.imagePath('core', 'filetypes/folder') + ')');
                return $row;
            };

            this.renderFileResult = function($row, result) {
                if (inFileList($row, result)) {
                    return null;
                }
                hideNoFilterResults();
                /*render preview icon, show path beneath filename,
                 show size and last modified date on the right */
                this.updateLegacyMimetype(result);

                var $pathDiv = $('<div class="path"></div>').text(result.path);
                $row.find('td.info div.name').after($pathDiv).text(result.name);

                $row.find('td.result a').attr('href', result.link);

                if (self.fileAppLoaded()) {
                    self.fileList.lazyLoadPreview({
                        path: result.path,
                        mime: result.mime,
                        callback: function (url) {
                            $row.find('td.icon').css('background-image', 'url(' + url + ')');
                        }
                    });
                } else {
                    // FIXME how to get mime icon if not in files app
                    var mimeicon = result.mime.replace('/', '-');
                    $row.find('td.icon').css('background-image', 'url(' + OC.imagePath('core', 'filetypes/' + mimeicon) + ')');
                    var dir = OC.dirname(result.path);
                    if (dir === '') {
                        dir = '/';
                    }
                    $row.find('td.info a').attr('href',
                        OC.generateUrl('/apps/files/?dir={dir}&scrollto={scrollto}', {dir: dir, scrollto: result.name})
                    );
                }
                return $row;
            };

            this.renderAudioResult = function($row, result) {
                /*render preview icon, show path beneath filename,
                 show size and last modified date on the right
                 show Artist and Album */
                $row = this.renderFileResult($row, result);
                if ($row) {
                    $row.find('td.icon').css('background-image', 'url(' + OC.imagePath('core', 'filetypes/audio') + ')');
                }
                return $row;
            };

            this.renderImageResult = function($row, result) {
                /*render preview icon, show path beneath filename,
                 show size and last modified date on the right
                 show width and height */
                $row = this.renderFileResult($row, result);
                if ($row && !self.fileAppLoaded()) {
                    $row.find('td.icon').css('background-image', 'url(' + OC.imagePath('core', 'filetypes/image') + ')');
                }
                return $row;
            };


            this.handleFolderClick = function($row, result, event) {
                // open folder
                if (self.fileAppLoaded() && self.fileList.id === 'files') {
                    self.fileList.changeDirectory(result.path);
                    return false;
                } else {
                    return true;
                }
            };

            this.handleFileClick = function($row, result, event) {
                if (self.fileAppLoaded() && self.fileList.id === 'files') {
                    self.fileList.changeDirectory(OC.dirname(result.path));
                    self.fileList.scrollTo(result.name);
                    return false;
                } else {
                    return true;
                }
            };

            this.updateLegacyMimetype = function (result) {
                // backward compatibility:
                if (!result.mime && result.mime_type) {
                    result.mime = result.mime_type;
                }
            };
            this.setFileList = function (fileList) {
                this.fileList = fileList;
            };

            OC.Plugins.register('OCA.Search', this);
        },
        attach: function(search) {
            var self = this;
            search.setFilter('files', function (query) {
                if (self.fileAppLoaded()) {
                    self.fileList.setFilter(query);
                    if (query.length > 2) {
                        //search is not started until 500msec have passed
                        window.setTimeout(function() {
                            $('.nofilterresults').addClass('hidden');
                        }, 500);
                    }
                }
            });

            search.setRenderer('folder', this.renderFolderResult.bind(this));
            search.setRenderer('file',   this.renderFileResult.bind(this));
            search.setRenderer('audio',  this.renderAudioResult.bind(this));
            search.setRenderer('image',  this.renderImageResult.bind(this));

            search.setHandler('folder',  this.handleFolderClick.bind(this));
            search.setHandler(['file', 'audio', 'image'], this.handleFileClick.bind(this));

            if (self.fileAppLoaded()) {
                // hide results when switching directory outside of search results
                $('#app-content').delegate('>div', 'changeDirectory', function() {
                    search.clear();
                });
            }
        }
    };
    OCA.Search.Files = Files;
    OCA.Search.files = new Files();
})();