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498 lines
18 KiB
JavaScript
498 lines
18 KiB
JavaScript
/*
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* YaCy Portalsearch
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*
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* @author Stefan Förster (apfelmaennchen) <sof@gmx.de>
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* @version 1.2
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*
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*
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* Date: 10-Nov-2011
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*
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*/
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var portalsearch = {
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ynavigators: null,
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ycurr: '',
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startRecord: 0,
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maximumRecords: 10,
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submit: false,
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load_status: 0,
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loading: null,
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fetchingResults: false
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};
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function statuscheck() {
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if(portalsearch.load_status < 5) {
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return;
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} else {
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window.clearInterval(portalsearch.loading);
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yrun();
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}
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}
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$(document).ready(function() {
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portalsearch.ynavigators = new Array();
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$.ajaxSetup({
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timeout: 5000,
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cache: true
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});
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// apply default properties
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portalsearch.ycurr = '';
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portalsearch.startRecord = 0;
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portalsearch.maximumRecords = 10;
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portalsearch.submit = false;
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portalsearch.fetchingResults = false;
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yconf = $.extend({
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url : '',
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'global' : false,
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theme : 'start',
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title : 'YaCy Search Widget',
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logo : yconf.url + '/yacy/ui/img/yacy-logo.png',
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link : 'https://yacy.net',
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width : 640,
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height : 640,
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position : [150,50],
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modal : false,
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resizable: true,
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show : '',
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hide : '',
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load_js : true,
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load_css : true
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}, yconf);
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$('<div id="ypopup" class="classic"></div>').appendTo("#yacylivesearch");
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if(yconf.load_css) {
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var style1 = yconf.url + '/portalsearch/yacy-portalsearch.css';
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var style2 = yconf.url + '/jquery/themes/'+yconf.theme+'/jquery-ui-1.8.16.custom.css';
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var style3 = yconf.url + '/jquery/css/jquery-ui-combobox.css';
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var head = document.getElementsByTagName('head')[0];
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$(document.createElement('link'))
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.attr({type:'text/css', href: style1, rel:'stylesheet', media:'screen'})
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.appendTo(head);
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$(document.createElement('link'))
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.attr({type:'text/css', href: style2, rel:'stylesheet', media:'screen'})
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.appendTo(head);
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$(document.createElement('link'))
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.attr({type:'text/css', href: style3, rel:'stylesheet', media:'screen'})
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.appendTo(head);
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}
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portalsearch.load_status = 0;
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portalsearch.loading = window.setInterval("statuscheck()", 200);
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if(yconf.load_js) {
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var script1 = yconf.url + '/jquery/js/jquery.query-2.1.7.js';
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var script2 = yconf.url + '/jquery/js/jquery.form-2.73.js';
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var script3 = yconf.url + '/jquery/js/jquery.field-0.9.2.min.js';
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var script4 = yconf.url + '/jquery/js/jquery-ui-1.8.16.custom.min.js';
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var script5 = yconf.url + '/jquery/js/jquery-ui-combobox.js';
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$.getScript(script1, function(){ portalsearch.load_status++; });
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$.getScript(script2, function(){ portalsearch.load_status++; });
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$.getScript(script3, function(){ portalsearch.load_status++; });
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$.getScript(script4, function(){ portalsearch.load_status++; });
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$.getScript(script5, function(){ portalsearch.load_status++; });
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} else {
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yrun();
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}
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});
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function yrun() {
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portalsearch.maximumRecords = parseInt($("#ysearch input[name='maximumRecords']").getValue());
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global = yconf.global;
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$("#ypopup").dialog({
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autoOpen: false,
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height: yconf.height,
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width: yconf.width,
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minWidth: yconf.width,
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position: yconf.position,
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modal: yconf.modal,
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resizable: yconf.resizable,
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title: yconf.title,
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show: yconf.show,
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hide: yconf.hide,
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drag: function(event, ui) {
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var position = $("#ypopup").parent(".ui-dialog").position();
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var left = $("#ypopup").parent(".ui-dialog").width()+5+position.left;
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$("#yside").dialog('option', 'position', [left,position.top+32]);
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},
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dragStop: function(event, ui) {
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var position = $("#ypopup").parent(".ui-dialog").position();
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var left = $("#ypopup").parent(".ui-dialog").width()+5+position.left;
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$("#yside").dialog('option', 'position', [left,position.top+32]);
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},
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resizeStop: function(event, ui) {
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var position = $("#ypopup").parent(".ui-dialog").position();
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var height = $("#ypopup").parent(".ui-dialog").height()-55;
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var left = $("#ypopup").parent(".ui-dialog").width()+5+position.left;
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$("#yside").dialog('option', 'height', height);
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$("#yside").dialog('option', 'position', [left,position.top+32]);
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},
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close: function(event, ui) {
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$("#yquery").setValue('');
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$("#yside").dialog('destroy');
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$('#yside').remove();
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},
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open: function(event, ui) {
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$('<div id="yside" style="padding:0px;"></div>').insertAfter("#ypopup").parent(".ui-dialog-content");
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var position = $("#ypopup").parent(".ui-dialog").position();
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$("#yside").dialog({
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title: 'Navigation',
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autoOpen: false,
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draggable: false,
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resizable: false,
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width: 220,
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height: $("#ypopup").parent(".ui-dialog").height()-55,
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minHeight: $("#ypopup").parent(".ui-dialog").height()-55,
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show: 'slide',
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hide: 'slide',
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position : [position.left+$("#ypopup").parent(".ui-dialog").width()+5,position.top+32],
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open: function(event, ui) {
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$('div.ui-widget-shadow').remove();
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$('#ypopup').dialog( 'moveToTop' );
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}
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});
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$('.ui-widget-shadow').remove();
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$('div[aria-labelledby="ui-dialog-title-yside"] div.ui-dialog-titlebar').remove();
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$("#ypopup").bind("scroll", function(e){
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p1 = $("#ypopup h3 :last").position().top;
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if(p1-$("#ypopup").dialog( "option", "height" ) < 0 && !portalsearch.fetchingResults) {
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portalsearch.startRecord = portalsearch.startRecord + portalsearch.maximumRecords;
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yacysearch(false);
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}
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});
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}
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});
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$('#ysearch').keyup(function(e) { // React to keyboard input
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if(e.which == 27) { // Close popup on ESC
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$("#ypopup").dialog('close');
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$("#yquery").setValue("");
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}
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if(e.which == 18) { // Global search on ALT
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global = true;
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ycurr = $("#yquery").getValue();
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yacysearch(true);
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}
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if(portalsearch.ycurr == $("#yquery").getValue()) { // Do nothing if search term hasn't changed
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return false;
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}
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global = yconf.global; // As this is a new search, revert to default resource
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if ($("#yquery").getValue() == '') { // If search term is empty reset to default resource and close popup
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if($("#ypopup").dialog('isOpen'))
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$("#ypopup").dialog('close');
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} else { // Else fire up a search request and remeber the current search term
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portalsearch.ycurr = $("#yquery").getValue();
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debouncedYacysearch(true);
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}
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return false;
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});
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$('#ysearch').submit(function() { // Submit a search request
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portalsearch.ycurr = $("#yquery").getValue();
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if (!$("#ypopup").dialog('isOpen'))
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$("#ypopup").dialog('open');
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else
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if ($("#yside").dialog('isOpen'))
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$("#yside").dialog('close');
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$("#yquery").focus();
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yacysearch(true);
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return false;
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});
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}
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var suggestTimeoutId = null;
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/**
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* Debounce wrapper to limit the rate of calls to the backend search service.
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* @param clear when true, clear the results popup
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*/
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function debouncedYacysearch(clear) {
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if(suggestTimeoutId != null) {
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/* Remove delayed call not yet done */
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clearTimeout(suggestTimeoutId);
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}
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/* Limit the rate of calls to the search API by adding a delay before effective call */
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suggestTimeoutId = setTimeout(function() {
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yacysearch(clear);
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}, 400);
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}
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function yacysearch(clear) {
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var url = yconf.url + '/yacysearch.json?callback=?' // JSONP (cross domain) request URL
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//var url = yconf.url + '/solr/select?wt=yjson&callback=?' // JSONP (cross domain) request URL
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if(clear) {
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$('#ypopup').empty();
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var loading = "<div class='yloading'><h3 class='linktitle'><em>Loading: "+yconf.url+"</em><br/>";
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var loadimg = "<img src='"+yconf.url+"/yacy/ui/img/loading2.gif' align='absmiddle'/></h3></div>";
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$('#ypopup').append(loading+loadimg);
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if (!$("#ypopup").dialog('isOpen'))
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$("#ypopup").dialog('open');
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else
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if ($("#yside").dialog('isOpen'))
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$("#yside").dialog('close');
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$("#yquery").focus();
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}
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var param = []; // Generate search request parameters from HTML form
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$("#ysearch input").each(function(i){
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var item = { name : $(this).attr('name'), value : $(this).attr('value') };
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if(item.name == 'resource') { // Set parameter for resource according to global
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if(global)
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item.value = 'global';
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else {
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item.value = 'local'
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}
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}
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if(item.name == 'query' || item.name == 'search') {
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item.value = $.trim(item.value); // remove heading and trailing white spaces from querey
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if(item.value != portalsearch.ycurr) // in case of fast typing ycurr needs to be updated
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portalsearch.ycurr = item.value;
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}
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param[i] = item;
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});
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param[param.length] = { name : 'startRecord', value : portalsearch.startRecord };
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portalsearch.ycurr = portalsearch.ycurr.replace("<"," ").replace(">"," ");
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$.ajaxSetup({
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timeout: 10000,
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error: function(x,e,ex) {
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portalsearch.fetchingResults = false;
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var err = 'Unknow Error: '+x.responseText;
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if(x.status==0) {
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err = 'Unknown Network Error! I try to reload...';
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yacysearch(true);
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} else if(x.status==404) {
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err = x.status + ' - Requested URL not found.';
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} else if(x.status==500) {
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err = x.status + ' - Internel Server Error.';
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} else if(e=='parsererror') {
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err = 'Parsing JSON Request failed:' + ex;
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} else if(e=='timeout') {
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err = 'Request Time out.';
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};
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if (clear) $('#ypopup').empty();
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var favicon = "<img src='"+yconf.url+"/yacy/ui/img-2/stop.png' class='favicon'/>";
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var title = "<h3 class='linktitle'>"+favicon+" "+err+"</h3>";
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var url = "<p class='url'><a href=''>Current search terms: "+portalsearch.ycurr+"</a></p>"
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$(title+url).appendTo("#ypopup");
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}
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});
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portalsearch.fetchingResults = true;
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$.getJSON(url, param,
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function(json, status) {
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portalsearch.fetchingResults = false;
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if (json[0]) data = json[0];
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else data = json;
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var searchTerms = "";
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searchTerms = data.channels[0].searchTerms.replace("<"," ").replace(">"," ");;
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if($.trim(portalsearch.ycurr.replace(/ /g,"+")) != searchTerms) {
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return false;
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}
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if(clear) {
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$('#ypopup').empty();
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}
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var total = data.channels[0].totalResults;
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if(global) var result = 'global';
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else var result = 'local';
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var count = 0;
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$.each (
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data.channels[0].items,
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function(i,item) {
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if (item) {
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var favicon = "<img src='" + yconf.url + "/" +item.faviconUrl+"' class='favicon'/>";
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var title = "<h3 class='linktitle'>"+favicon+"<a href='"+item.link+"' target='_blank'>"+item.title+"</a></h3>";
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var url = "<p class='url'><a href='"+item.link+"' target='_blank'>"+item.link+"</a></p>"
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var desc = "<p class='desc'>"+item.description+"</p>";
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var date = "<p class='date'>"+item.pubDate.substring(0,16);
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var size = " | "+item.sizename+"</p>";
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$(title+desc+url+date+size).appendTo("#ypopup");
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}
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count++;
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}
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);
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if(count == 0) {
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if (clear) $('#ypopup').empty();
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var favicon = "<img src='"+yconf.url+"/yacy/ui/img-2/stop.png' class='favicon'/>";
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var title = "<h3 class='linktitle'>"+favicon+"No search results!</h3>";
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var url = "<p class='url'><a href=''>Current search terms: "+searchTerms+"</a></p>"
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var desc = "<p class='desc'>You could restate your search, release some navigators or switch to global search...</p>";
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$(title+desc+url).appendTo("#ypopup");
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}
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if(clear) {
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$('#yside').empty();
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var ylogo = "<a href='"+yconf.link+"' target='_blank'><img style='padding-left: 24px;' src='"+yconf.logo+"' alt='"+yconf.logo+"' title='"+yconf.logo+"' /></a>";
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var ymsg= "Total "+result+" results: "+total;
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$("<div class='ymsg'><table><tr><td width='55px'>"+ylogo+"</td><td id='yresult'>"+ymsg+"</td></tr></div").appendTo('#yside');
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$('<hr />').appendTo("#yside");
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var selected = 'selected="selected">';
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var select1 = '<select class="selector" id="yglobal"><option value="local"';
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var select2 = 'local</option><option value="global"';
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var select3 = 'global</option></select>';
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if(global) {
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select = select1 + '>' + select2 + selected + select3;
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} else {
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select = select1 + selected + select2 + '>' + select3;
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}
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$('<div class="ui-widget ynav"><label for="yglobal">Get local/global results:</label><br />'+select+'</div>').appendTo('#yside');
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$("#yglobal").combobox({
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selected: function(event, ui) {
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if(ui.item.value == "global") {
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global = true;
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} else {
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global = false;
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}
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yacysearch(true);
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}
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});
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select1 = '<select class="selector" id="yrecent"><option value="relevance"';
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select2 = 'Relevance</option><option value="date"';
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select3 = 'Date</option></select>';
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var query = unescape($("#yquery").getValue());
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if(query.indexOf("/date") != -1) {
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select = select1 + '>' + select2 + selected + select3;
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} else {
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select = select1 + selected + select2 + '>' + select3;
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}
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$('<div class="ui-widget ynav"><label for="yrecent">Sort result by:</label><br />'+select+'</div>').appendTo('#yside');
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$("#yrecent").combobox({
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selected: function(event, ui) {
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if(ui.item.value == "date") {
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query = query + " /date";
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} else {
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query = query.replace(/\s\/date/g,"");
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}
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$("#yquery").setValue($.trim(query));
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$("#yquery").trigger('keyup');
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}
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});
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$('<hr />').appendTo("#yside");
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$("<p class='ytxt'>You can narrow down your search by selecting one of the below navigators:</p>").appendTo('#yside');
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/*
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var label = '<label for="ylang">Language:</label><br />';
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var select = '<select class="selector" id="ylang"><option value="">Select one...</option><option value="en" >en-English</option><option value="fr" >fr-French</option><option value="es" >es-Spanish</option><option value="de" >de-German</option><option value="zh" >zh-Chinese</option></select>';
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$('<div class="ui-widget ynav">'+label+select+'</div>').appendTo('#yside');
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$("#ylang").combobox({
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selected: function(event, ui) {
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var query = unescape($("#yquery").getValue() + " /language/" +ui.item.value);
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$("#yquery").setValue(query);
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portalsearch.ynavigators.push("/language/"+ui.item.value);
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$("#yquery").trigger('keyup');
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}
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});
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*/
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$.each ( // Loop through all available navigators and include comboboxes in sidebar
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data.channels[0].navigation,
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function(i,facet) {
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if (facet) {
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var id = "#y"+facet.facetname;
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var label = '<label for="y' +facet.facetname+ '">' +facet.displayname+ ': </label><br />';
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var select = '<select id="y' +facet.facetname+ '"><option value="">Select one...</option></select>';
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$('<div class="ui-widget ynav">'+label+select+'</div>').appendTo('#yside');
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$.each (
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facet.elements,
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function(j,element) {
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var mod = '<option value="'+element.modifier +'">'+element.name+ ' (' +element.count+ ')</option>';
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$(mod).appendTo(id);
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}
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)
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$(id).combobox({
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selected: function(event, ui) {
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var query = unescape($("#yquery").getValue() + " " +ui.item.value);
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$("#yquery").setValue(query);
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portalsearch.ynavigators.push(ui.item.value);
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$("#yquery").trigger('submit');
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}
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});
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}
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}
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);
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$('<hr />').appendTo("#yside");
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if(portalsearch.ynavigators.length > 0) {
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$("<p class='ytxt'>Uncheck to release navigators:</p>").appendTo('#yside');
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}
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cancelNavigators(portalsearch.ynavigators, "#yside");
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if($("#ypopup .yloading").length == 0) {
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$(".ynav-cancel").bind("change", function(event) {
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var query = $("#yquery").getValue();
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var str = $(event.target).val();
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var idx = portalsearch.ynavigators.indexOf($.trim(str));
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if(idx!=-1) portalsearch.ynavigators.splice(idx, 1);
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var regexp = new RegExp(' '+str.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&")); // properly escape string for regexp
|
|
$("#yquery").setValue($.trim(query.replace(regexp,"")));
|
|
portalsearch.startRecord = 0;
|
|
$("#yquery").trigger('submit');
|
|
});
|
|
autoOpenSidebar();
|
|
if ($("#ypopup").dialog('isOpen')) {
|
|
// If you got maximumRecords results, but still have display space, load more results
|
|
if($("#ypopup h3 :last").position().top < $("#ypopup").dialog( "option", "height" ) && count == portalsearch.maximumRecords) {
|
|
portalsearch.startRecord = portalsearch.startRecord + portalsearch.maximumRecords;
|
|
yacysearch(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
);
|
|
function autoOpenSidebar() {
|
|
window.setTimeout(function() { // The delay prevents the sidebar to open on every intermediate search results
|
|
if($("#ypopup .yloading").length == 0) { // Check again wether a search result is still loading
|
|
if( $("#yquery").getValue() == portalsearch.ycurr) { // Open side bar only if result matches current search term
|
|
$("#yside").dialog('open');
|
|
$("#yquery").focus();
|
|
}
|
|
}
|
|
} , 1000);
|
|
}
|
|
function cancelNavigators(ynavigators, appendTo) { // Include checkboxes to release navigators
|
|
var arLen=ynavigators.length;
|
|
var query = $("#yquery").getValue();
|
|
for ( var i=0, len=arLen; i<len; ++i ){
|
|
if(query.indexOf(ynavigators[i]) != -1) // Check wether search term still contains the navigator
|
|
$(' <input type="checkbox" checked="checked" class="ynav-cancel" name="ynav'+i+'" value="'+ynavigators[i]+'"><span class="ytxt">'+ynavigators[i]+'</span><br>').appendTo(appendTo);
|
|
else
|
|
ynavigators.splice(i, 1); // Remove navigator from array as it has been removed manually from search term
|
|
}
|
|
}
|
|
} |