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415 lines
12 KiB
Text
415 lines
12 KiB
Text
/**
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* ownCloud - core
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later. See the COPYING file.
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*
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* @author Jörn Friedrich Dreyer <jfd@owncloud.com>
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* @copyright Jörn Friedrich Dreyer 2014
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*/
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(function () {
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/**
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* @class OCA.Search
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* @classdesc
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*
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* The Search class manages a search queries and their results
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*
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* @param $searchBox container element with existing markup for the #searchbox form
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* @param $searchResults container element for results und status message
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*/
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var Search = function($searchBox, $searchResults) {
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this.initialize($searchBox, $searchResults);
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};
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/**
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* @memberof OC
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*/
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Search.prototype = {
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/**
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* Initialize the search box
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*
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* @param $searchBox container element with existing markup for the #searchbox form
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* @param $searchResults container element for results und status message
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* @private
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*/
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initialize: function($searchBox, $searchResults) {
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var self = this;
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/**
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* contains closures that are called to filter the current content
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*/
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var filters = {};
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this.setFilter = function(type, filter) {
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filters[type] = filter;
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};
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this.hasFilter = function(type) {
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return typeof filters[type] !== 'undefined';
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};
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this.getFilter = function(type) {
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return filters[type];
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};
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/**
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* contains closures that are called to render search results
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*/
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var renderers = {};
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this.setRenderer = function(type, renderer) {
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renderers[type] = renderer;
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};
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this.hasRenderer = function(type) {
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return typeof renderers[type] !== 'undefined';
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};
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this.getRenderer = function(type) {
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return renderers[type];
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};
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/**
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* contains closures that are called when a search result has been clicked
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*/
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var handlers = {};
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this.setHandler = function(type, handler) {
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handlers[type] = handler;
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};
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this.hasHandler = function(type) {
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return typeof handlers[type] !== 'undefined';
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};
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this.getHandler = function(type) {
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return handlers[type];
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};
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var currentResult = -1;
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var lastQuery = '';
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var lastInApps = [];
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var lastPage = 0;
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var lastSize = 30;
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var lastResults = [];
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var timeoutID = null;
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this.getLastQuery = function() {
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return lastQuery;
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};
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/**
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* Do a search query and display the results
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* @param {string} query the search query
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* @param inApps
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* @param page
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* @param size
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*/
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this.search = function(query, inApps, page, size) {
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if (query) {
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OC.addStyle('core/search','results');
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if (typeof page !== 'number') {
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page = 1;
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}
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if (typeof size !== 'number') {
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size = 30;
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}
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if (typeof inApps !== 'object') {
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var currentApp = getCurrentApp();
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if(currentApp) {
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inApps = [currentApp];
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} else {
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inApps = [];
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}
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}
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// prevent double pages
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if ($searchResults && query === lastQuery && page === lastPage && size === lastSize) {
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return;
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}
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window.clearTimeout(timeoutID);
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timeoutID = window.setTimeout(function() {
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lastQuery = query;
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lastInApps = inApps;
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lastPage = page;
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lastSize = size;
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//show spinner
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$searchResults.removeClass('hidden');
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$status.addClass('status');
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$status.html(t('core', 'Searching other places')+'<img class="spinner" alt="search in progress" src="'+OC.webroot+'/core/img/loading.gif" />');
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// do the actual search query
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$.getJSON(OC.generateUrl('core/search'), {query:query, inApps:inApps, page:page, size:size }, function(results) {
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lastResults = results;
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if (page === 1) {
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showResults(results);
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} else {
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addResults(results);
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}
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});
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}, 500);
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}
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};
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//TODO should be a core method, see https://github.com/owncloud/core/issues/12557
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function getCurrentApp() {
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var content = document.getElementById('content');
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if (content) {
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var classList = document.getElementById('content').className.split(/\s+/);
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for (var i = 0; i < classList.length; i++) {
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if (classList[i].indexOf('app-') === 0) {
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return classList[i].substr(4);
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}
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}
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}
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return false;
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}
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var $status = $searchResults.find('#status');
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// summaryAndStatusHeight is a constant
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var summaryAndStatusHeight = 118;
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function isStatusOffScreen() {
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return $searchResults.position() &&
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($searchResults.position().top + summaryAndStatusHeight > window.innerHeight);
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}
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function placeStatus() {
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if (isStatusOffScreen()) {
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$status.addClass('fixed');
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} else {
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$status.removeClass('fixed');
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}
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}
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function showResults(results) {
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lastResults = results;
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$searchResults.find('tr.result').remove();
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$searchResults.removeClass('hidden');
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addResults(results);
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}
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function addResults(results) {
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var $template = $searchResults.find('tr.template');
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jQuery.each(results, function (i, result) {
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var $row = $template.clone();
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$row.removeClass('template');
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$row.addClass('result');
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$row.data('result', result);
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// generic results only have four attributes
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$row.find('td.info div.name').text(result.name);
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$row.find('td.info a').attr('href', result.link);
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/**
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* Give plugins the ability to customize the search results. see result.js for examples
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*/
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if (self.hasRenderer(result.type)) {
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$row = self.getRenderer(result.type)($row, result);
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} else {
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// for backward compatibility add text div
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$row.find('td.info div.name').addClass('result');
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$row.find('td.result div.name').after('<div class="text"></div>');
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$row.find('td.result div.text').text(result.name);
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if (OC.search.customResults && OC.search.customResults[result.type]) {
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OC.search.customResults[result.type]($row, result);
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}
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}
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if ($row) {
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$searchResults.find('tbody').append($row);
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}
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});
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var count = $searchResults.find('tr.result').length;
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$status.data('count', count);
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if (count === 0) {
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$status.addClass('emptycontent').removeClass('status');
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$status.html('');
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$status.append('<div class="icon-search"></div>');
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$status.append('<h2>' + t('core', 'No search results in other folders') + '</h2>');
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} else {
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$status.removeClass('emptycontent').addClass('status');
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$status.text(n('core', '{count} search result in another folder', '{count} search results in other folders', count, {count:count}));
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}
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}
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function renderCurrent() {
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var result = $searchResults.find('tr.result')[currentResult];
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if (result) {
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var $result = $(result);
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var currentOffset = $('#app-content').scrollTop();
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$('#app-content').animate({
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// Scrolling to the top of the new result
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scrollTop: currentOffset + $result.offset().top - $result.height() * 2
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}, {
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duration: 100
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});
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$searchResults.find('tr.result.current').removeClass('current');
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$result.addClass('current');
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}
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}
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this.hideResults = function() {
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$searchResults.addClass('hidden');
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$searchResults.find('tr.result').remove();
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lastQuery = false;
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};
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this.clear = function() {
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self.hideResults();
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if(self.hasFilter(getCurrentApp())) {
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self.getFilter(getCurrentApp())('');
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}
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$searchBox.val('');
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$searchBox.blur();
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};
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/**
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* Event handler for when scrolling the list container.
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* This appends/renders the next page of entries when reaching the bottom.
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*/
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function onScroll() {
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if ($searchResults && lastQuery !== false && lastResults.length > 0) {
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var resultsBottom = $searchResults.offset().top + $searchResults.height();
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var containerBottom = $searchResults.offsetParent().offset().top +
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$searchResults.offsetParent().height();
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if ( resultsBottom < containerBottom * 1.2 ) {
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self.search(lastQuery, lastInApps, lastPage + 1);
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}
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placeStatus();
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}
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}
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$('#app-content').on('scroll', _.bind(onScroll, this));
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/**
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* scrolls the search results to the top
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*/
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function scrollToResults() {
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setTimeout(function() {
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if (isStatusOffScreen()) {
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var newScrollTop = $('#app-content').prop('scrollHeight') - $searchResults.height();
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console.log('scrolling to ' + newScrollTop);
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$('#app-content').animate({
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scrollTop: newScrollTop
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}, {
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duration: 100,
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complete: function () {
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scrollToResults();
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}
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});
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}
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}, 150);
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}
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$('form.searchbox').submit(function(event) {
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event.preventDefault();
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});
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$searchBox.on('search', function () {
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if($searchBox.val() === '') {
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if(self.hasFilter(getCurrentApp())) {
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self.getFilter(getCurrentApp())('');
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}
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self.hideResults();
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}
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});
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$searchBox.keyup(function(event) {
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if (event.keyCode === 13) { //enter
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if(currentResult > -1) {
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var result = $searchResults.find('tr.result a')[currentResult];
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window.location = $(result).attr('href');
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}
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} else if(event.keyCode === 38) { //up
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if(currentResult > 0) {
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currentResult--;
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renderCurrent();
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}
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} else if(event.keyCode === 40) { //down
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if(lastResults.length > currentResult + 1){
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currentResult++;
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renderCurrent();
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}
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} else {
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var query = $searchBox.val();
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if (lastQuery !== query) {
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currentResult = -1;
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if (query.length > 2) {
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self.search(query);
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} else {
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self.hideResults();
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}
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if(self.hasFilter(getCurrentApp())) {
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self.getFilter(getCurrentApp())(query);
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}
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}
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}
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});
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$(document).keyup(function(event) {
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if(event.keyCode === 27) { //esc
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$searchBox.val('');
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if(self.hasFilter(getCurrentApp())) {
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self.getFilter(getCurrentApp())('');
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}
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self.hideResults();
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}
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});
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$(document).keydown(function(event) {
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if ((event.ctrlKey || event.metaKey) && // Ctrl or Command (OSX)
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!event.shiftKey &&
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event.keyCode === 70 && // F
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self.hasFilter(getCurrentApp()) && // Search is enabled
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!$searchBox.is(':focus') // if searchbox is already focused do nothing (fallback to browser default)
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) {
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$searchBox.focus();
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event.preventDefault();
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}
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});
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$searchResults.on('click', 'tr.result', function (event) {
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var $row = $(this);
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var item = $row.data('result');
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if(self.hasHandler(item.type)){
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var result = self.getHandler(item.type)($row, item, event);
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$searchBox.val('');
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if(self.hasFilter(getCurrentApp())) {
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self.getFilter(getCurrentApp())('');
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}
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self.hideResults();
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return result;
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}
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});
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$searchResults.on('click', '#status', function (event) {
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event.preventDefault();
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scrollToResults();
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return false;
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});
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placeStatus();
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OC.Plugins.attach('OCA.Search', this);
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// hide search file if search is not enabled
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if(self.hasFilter(getCurrentApp())) {
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return;
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}
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if ($searchResults.length === 0) {
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$searchBox.hide();
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}
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}
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};
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OCA.Search = Search;
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})();
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$(document).ready(function() {
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var $searchResults = $('#searchresults');
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if ($searchResults.length > 0) {
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$searchResults.addClass('hidden');
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$('#app-content')
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.find('.viewcontainer').css('min-height', 'initial');
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$searchResults.load(OC.webroot + '/core/search/templates/part.results.html', function () {
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OC.Search = new OCA.Search($('#searchbox'), $('#searchresults'));
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});
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} else {
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_.defer(function() {
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OC.Search = new OCA.Search($('#searchbox'), $('#searchresults'));
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});
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}
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});
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/**
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* @deprecated use get/setRenderer() instead
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*/
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OC.search.customResults = {};
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/**
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* @deprecated use get/setRenderer() instead
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*/
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OC.search.resultTypes = {};
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