362 lines
11 KiB
JavaScript
362 lines
11 KiB
JavaScript
/**
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* (c) Kitodo. Key to digital objects e.V. <contact@kitodo.org>
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*
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* This file is part of the Kitodo and TYPO3 projects.
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*
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* @license GNU General Public License version 3 or later.
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*/
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/**
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* This function increases the start parameter of the search form and submits
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* the form.
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*
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* @returns void
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*/
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function nextResultPage() {
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var currentStart = $("#tx-dlf-search-in-document-form input[id='tx-dlf-search-in-document-start']").val();
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var newStart = parseInt(currentStart) + 20;
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$("#tx-dlf-search-in-document-form input[id='tx-dlf-search-in-document-start']").val(newStart);
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$('#tx-dlf-search-in-document-form').submit();
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};
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/**
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* This function decreases the start parameter of the search form and submits
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* the form.
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*
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* @returns void
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*/
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function previousResultPage() {
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var currentStart = $("#tx-dlf-search-in-document-form input[id='tx-dlf-search-in-document-start']").val();
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var newStart = (parseInt(currentStart) > 20) ? (parseInt(currentStart) - 20) : 0;
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$("#tx-dlf-search-in-document-form input[id='tx-dlf-search-in-document-start']").val(newStart);
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$('#tx-dlf-search-in-document-form').submit();
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};
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/**
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* This function resets the start parameter on new queries.
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*
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* @returns void
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*/
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function resetStart() {
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$("#tx-dlf-search-in-document-form input[id='tx-dlf-search-in-document-start']").val(0);
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}
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/**
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* Add highlight effect for found search phrase.
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* @param {array} highlightIds
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*
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* @returns void
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*/
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function addHighlightEffect(highlightIds) {
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if (highlightIds.length > 0) {
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highlightIds.forEach(function (highlightId) {
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var targetElement = $('#' + highlightId);
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if (targetElement.length > 0 && !targetElement.hasClass('highlight')) {
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targetElement.addClass('highlight');
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}
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});
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}
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}
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/**
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* Get base URL for snippet links.
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*
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* @param {string} id
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*
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* @returns {string}
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*/
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function getBaseUrl(id) {
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// Take the workview baseUrl from the form action.
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// The URL may be in the following form
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// - http://example.com/index.php?id=14
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// - http://example.com/workview (using slug on page with uid=14)
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var baseUrl = $("form#tx-dlf-search-in-document-form").attr('action');
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// check if action URL contains id, if not, get URL from window
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if(baseUrl === undefined || baseUrl.split('?')[0].indexOf(id) === -1) {
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baseUrl = $(location).attr('href');
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}
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return baseUrl;
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}
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/**
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* Get highlight coordinates as string separated by ';'.
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*
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* @param {string} highlight
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*
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* @returns {string}
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*/
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function getHighlights(highlight) {
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var highlights = "";
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for(var i = 0; i < highlight.length; i++) {
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if (highlights === "") {
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highlights += highlight[i];
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} else {
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if(highlights.indexOf(highlight[i]) === -1) {
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highlights += ';' + highlight[i];
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}
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}
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}
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return highlights;
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}
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/**
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* Get current URL query parameters.
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* It returns array of params in form 'param=value' if there are any params supplied in the given url. If there are none it returns empty array
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*
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* @param {string} baseUrl
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*
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* @returns {array} array with params or empty
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*/
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function getCurrentQueryParams(baseUrl) {
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if(baseUrl.indexOf('?') > 0) {
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return baseUrl.slice(baseUrl.indexOf('?') + 1).split('&');
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}
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return [];
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}
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/**
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* Get all URL query parameters for snippet links.
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* All means that it includes together params which were already supplied in the page url and params which are returned as search results.
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*
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* @param {string} baseUrl
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* @param {array} queryParams
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*
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* @returns {array} array with params in form 'param' => 'value'
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*/
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function getAllQueryParams(baseUrl, queryParams) {
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var params = getCurrentQueryParams(baseUrl);
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var queryParam;
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for(var i = 0; i < params.length; i++) {
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queryParam = params[i].split('=');
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if(queryParams.indexOf(decodeURIComponent(queryParam[0])) === -1) {
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queryParams.push(decodeURIComponent(queryParam[0]));
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queryParams[decodeURIComponent(queryParam[0])] = queryParam[1];
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}
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}
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return queryParams;
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}
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/**
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* Get needed URL query parameters.
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* It returns array of params as objects 'param' => 'value'. It contains exactly 3 params which are taken out of search result.
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*
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* @param {array} element
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*
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* @returns {array} array with params in form 'param' => 'value'
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*/
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function getNeededQueryParams(element) {
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var id = $("input[id='tx-dlf-search-in-document-id']").attr('name');
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var highlightWord = $("input[id='tx-dlf-search-in-document-highlight-word']").attr('name');
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var page = $("input[id='tx-dlf-search-in-document-page']").attr('name');
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var queryParams = [];
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if(id && getBaseUrl(element['uid']).split('?')[0].indexOf(element['uid']) === -1) {
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queryParams.push(id);
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queryParams[id] = element['uid'];
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}
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if(highlightWord) {
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queryParams.push(highlightWord);
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queryParams[highlightWord] = encodeURIComponent($("input[id='tx-dlf-search-in-document-query']").val());
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}
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if(page) {
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queryParams.push(page);
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queryParams[page] = element['page'];
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}
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return queryParams;
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}
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/**
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* Get snippet link.
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*
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* @param {array} element
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*
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* @returns {string}
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*/
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function getLink(element) {
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var baseUrl = getBaseUrl(element['uid']);
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var queryParams = getNeededQueryParams(element);
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if (baseUrl.indexOf('?') > 0) {
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queryParams = getAllQueryParams(baseUrl, queryParams);
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baseUrl = baseUrl.split('?')[0];
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}
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var link = baseUrl + '?';
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// add query params to result link
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for(var i = 0; i < queryParams.length; i++) {
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link += queryParams[i] + '=' + queryParams[queryParams[i]] + '&';
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}
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link = link.slice(0, -1);
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return link;
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}
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/**
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* Get navigation buttons.
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*
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* @param {int} start
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* @param {numFound} start
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*
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* @returns {string}
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*/
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function getNavigationButtons(start, numFound) {
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var buttons = "";
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if (start > 0) {
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buttons += '<input type="button" id="tx-dlf-search-in-document-button-previous" class="button-previous" onclick="previousResultPage();" value="' + $('#tx-dlf-search-in-document-label-previous').text() + '" />';
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}
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if (numFound > (start + 20)) {
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buttons += '<input type="button" id="tx-dlf-search-in-document-button-next" class="button-next" onclick="nextResultPage();" value="' + $('#tx-dlf-search-in-document-label-next').text() + '" />';
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}
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return buttons;
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}
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/**
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* Get current page.
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*
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* @returns {int}
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*/
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function getCurrentPage() {
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var page = 1;
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var queryParams = getCurrentQueryParams(getBaseUrl(" "));
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for(var i = 0; i < queryParams.length; i++) {
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var queryParam = queryParams[i].split('=');
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if(decodeURIComponent(queryParam[0]) === $("input[id='tx-dlf-search-in-document-page']").attr('name')) {
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page = parseInt(queryParam[1], 10);
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}
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}
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return page;
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}
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/**
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* Add highlight to image.
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*
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* @param {array} data
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*
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* @returns void
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*/
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function addImageHighlight(data) {
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var page = getCurrentPage();
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data['documents'].forEach(function (element, i) {
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if(element['page'] === page) {
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if (element['highlight'].length > 0) {
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if (typeof tx_dlf_viewer !== 'undefined' && tx_dlf_viewer.map != null) { // eslint-disable-line camelcase
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tx_dlf_viewer.displayHighlightWord(encodeURIComponent(getHighlights(element['highlight'])));
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} else {
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setTimeout(addImageHighlight, 500, data);
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}
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}
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addHighlightEffect(element['highlight']);
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}
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});
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}
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/**
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* Trigger search for document loaded from hit list.
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*
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* @returns void
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*/
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function triggerSearchAfterHitLoad() {
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var queryParams = getCurrentQueryParams(getBaseUrl(" "));
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var searchedQueryParam = $("input[id='tx-dlf-search-in-document-highlight-word']").attr('name');
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for(var i = 0; i < queryParams.length; i++) {
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var queryParam = queryParams[i].split('=');
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if(searchedQueryParam && decodeURIComponent(queryParam[0]).indexOf(searchedQueryParam) !== -1) {
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$("input[id='tx-dlf-search-in-document-query']").val(decodeURIComponent(queryParam[1]));
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$("#tx-dlf-search-in-document-form").submit();
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break;
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}
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}
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}
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$(document).ready(function() {
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$("#tx-dlf-search-in-document-form").submit(function(event) {
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// Stop form from submitting normally
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event.preventDefault();
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$('#tx-dlf-search-in-document-loading').show();
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$('#tx-dlf-search-in-document-clearing').hide();
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$('#tx-dlf-search-in-document-button-next').hide();
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$('#tx-dlf-search-in-document-button-previous').hide();
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// Send the data using post
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$.post(
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"/",
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{
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eID: "tx_dlf_search_in_document",
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q: $( "input[id='tx-dlf-search-in-document-query']" ).val(),
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uid: $( "input[id='tx-dlf-search-in-document-id']" ).val(),
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start: $( "input[id='tx-dlf-search-in-document-start']" ).val(),
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encrypted: $( "input[id='tx-dlf-search-in-document-encrypted']" ).val(),
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},
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function(data) {
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var resultItems = [];
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var resultList = '<div class="results-active-indicator"></div><ul>';
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var start = $( "input[id='tx-dlf-search-in-document-start']" ).val();
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if (data['numFound'] > 0) {
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data['documents'].forEach(function (element, i) {
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if (start < 0) {
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start = i;
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}
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if (element['snippet'].length > 0) {
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resultItems[element['page']] = '<span class="structure">'
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+ $('#tx-dlf-search-in-document-label-page').text() + ' ' + element['page']
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+ '</span><br />'
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+ '<span class="textsnippet">'
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+ '<a href=\"' + getLink(element) + '\">' + element['snippet'] + '</a>'
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+ '</span>';
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}
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});
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// Sort result by page.
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resultItems.sort(function (a, b) {
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return a - b;
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});
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resultItems.forEach(function (item, index) {
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resultList += '<li>' + item + '</li>';
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});
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addImageHighlight(data);
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} else {
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resultList += '<li class="noresult">' + $('#tx-dlf-search-in-document-label-noresult').text() + '</li>';
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}
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resultList += '</ul>';
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resultList += getNavigationButtons(start, data['numFound']);
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$('#tx-dlf-search-in-document-results').html(resultList);
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},
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"json"
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)
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.done(function (data) {
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$('#tx-dfgviewer-sru-results-loading').hide();
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$('#tx-dfgviewer-sru-results-clearing').show();
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});
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});
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// clearing button
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$('#tx-dlf-search-in-document-clearing').click(function() {
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$('#tx-dlf-search-in-document-results ul').remove();
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$('.results-active-indicator').remove();
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$('#tx-dlf-search-in-document-query').val('');
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});
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triggerSearchAfterHitLoad();
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});
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