zeus.ugent.be/content/assets/scripts/tipuesearch.js

/*
  Tipue Search 7.0
  Copyright (c) 2018 Tipue
  Tipue Search is released under the MIT License
  http://www.tipue.com/search
*/


(function($) {

    $.fn.tipuesearch = function(options) {

	var set = $.extend( {
	    
	    'contentLocation'        : 'tipuesearch/tipuesearch_content.json',
	    'contextBuffer'          : 60,
	    'contextLength'          : 60,
	    'contextStart'           : 90,
	    'debug'                  : false,
	    'descriptiveWords'       : 25,
	    'footerPages'            : 3,
	    'highlightTerms'         : true,
	    'imageZoom'              : true,
	    'minimumLength'          : 3,
	    'newWindow'              : false,
	    'show'                   : 10,
	    'showContext'            : true,
	    'showRelated'            : true,
	    'showTime'               : true,
	    'showTitleCount'         : true,
	    'showURL'                : true,
	    'wholeWords'             : true,
	    'tipue_search_content'   : '#tipue_search_content'
	    
	}, options);
	
	return this.each(function() {
	    var tipuesearch = null;

	    $.ajaxSetup({
		async: false
	    });
	    $.getJSON(set.contentLocation).done(function(json) {tipuesearch = $.extend({}, json);});
	    
	    var tipuesearch_t_c = 0;                         
	    
	    var tipue_search_w = '';
	    if (set.newWindow)
	    {
		tipue_search_w = ' target="_blank"';      
	    }

	    function getURLP(name)
	    {
		var locSearch = location.search;
		var splitted = (new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(locSearch)||[,""]);
		var searchString = splitted[1].replace(/\+/g, '%20');
		try
		{
		    searchString = decodeURIComponent(searchString);
		}
		catch(e)
		{
		    searchString = unescape(searchString);
		}
		return searchString || null;
	    }
	    
	    if (getURLP('q'))
	    {
		$('#tipue_search_input').val(getURLP('q'));
		getTipueSearch(0, true);
	    }               
	    
	    $(this).keyup(function(event)
			  {
			      if(event.keyCode == '13')
			      {
				  getTipueSearch(0, true);
			      }
			  });
	    

	    function getTipueSearch(start, replace)
	    {
		window.scrollTo(0, 0);
		
		var out = '';
		var show_replace = false;
		var show_stop = false;
		var standard = true;
		var c = 0;
		var found = [];
		
		var d_o = $('#tipue_search_input').val();
		d_o = d_o.replace(/\+/g, ' ').replace(/\s\s+/g, ' ');
		
		d_o = $.trim(d_o);
		var d = d_o.toLowerCase();
		
		if ((d.match("^\"") && d.match("\"$")) || (d.match("^'") && d.match("'$")))
		{
		    standard = false;
		}
		
		var d_w = d.split(' ');
		
		if (standard)
		{
		    d = '';
		    for (var i = 0; i < d_w.length; i++)
		    {
			var a_w = true;
			for (var f = 0; f < tipuesearch_stop_words.length; f++)
			{
			    if (d_w[i] == tipuesearch_stop_words[f])
			    {
				a_w = false;
				show_stop = true;          
			    }
			}
			if (a_w)
			{
			    d = d + ' ' + d_w[i];
			}
		    }
		    d = $.trim(d);
		    d_w = d.split(' ');
		}
		else
		{
		    d = d.substring(1, d.length - 1);
		}
		
		if (d.length >= set.minimumLength)
		{
		    if (standard)
		    {
			if (replace)
			{
			    var d_r = d;
			    for (var i = 0; i < d_w.length; i++)
			    {
				for (var f = 0; f < tipuesearch_replace.words.length; f++)
				{
				    if (d_w[i] == tipuesearch_replace.words[f].word)
				    {
					d = d.replace(d_w[i], tipuesearch_replace.words[f].replace_with);
					show_replace = true;
				    }
				}
			    }
			    d_w = d.split(' ');
			}                   
			
			var d_t = d;
			for (var i = 0; i < d_w.length; i++)
			{
			    for (var f = 0; f < tipuesearch_stem.words.length; f++)
			    {
				if (d_w[i] == tipuesearch_stem.words[f].word)
				{
				    d_t = d_t + ' ' + tipuesearch_stem.words[f].stem;
				}
			    }
			}
			d_w = d_t.split(' ');

			for (var i = 0; i < tipuesearch.pages.length; i++)
			{
			    var score = 0;
			    var s_t = tipuesearch.pages[i].text;
			    for (var f = 0; f < d_w.length; f++)
			    {
				if (set.wholeWords)
				{
				    var pat = new RegExp('\\b' + d_w[f] + '\\b', 'gi');
				}
				else
				{
				    var pat = new RegExp(d_w[f], 'gi');
				}
				if (tipuesearch.pages[i].title.search(pat) != -1)
				{
				    var m_c = tipuesearch.pages[i].title.match(pat).length;
				    score += (20 * m_c);
				}
				if (tipuesearch.pages[i].text.search(pat) != -1)
				{
				    var m_c = tipuesearch.pages[i].text.match(pat).length;
				    score += (20 * m_c);
				}
				if (tipuesearch.pages[i].tags)
				{
				    if (tipuesearch.pages[i].tags.search(pat) != -1)
				    {
					var m_c = tipuesearch.pages[i].tags.match(pat).length;
					score += (10 * m_c);
				    }
				}
				if (tipuesearch.pages[i].url.search(pat) != -1)
				{
				    score += 20;
				}
				
				if (score != 0)
				{
				    for (var e = 0; e < tipuesearch_weight.weight.length; e++)
				    {
					if (tipuesearch.pages[i].url == tipuesearch_weight.weight[e].url)
					{
					    score += tipuesearch_weight.weight[e].score;
					}
				    }
				}
				
				if (d_w[f].match('^-'))
				{
				    pat = new RegExp(d_w[f].substring(1), 'i');
				    if (tipuesearch.pages[i].title.search(pat) != -1 || tipuesearch.pages[i].text.search(pat) != -1 || tipuesearch.pages[i].tags.search(pat) != -1)
				    {
					score = 0;     
				    }    
				}
			    }
			    
			    if (score != 0)
			    {
				found.push(
				    {
					"score": score,
					"title": tipuesearch.pages[i].title,
					"desc": s_t,
					"img": tipuesearch.pages[i].img, 
					"url": tipuesearch.pages[i].url,
					"note": tipuesearch.pages[i].note
				    });
				c++;                                                                   
			    }
			}
		    }
		    else
		    {
			for (var i = 0; i < tipuesearch.pages.length; i++)
			{
			    var score = 0;
			    var s_t = tipuesearch.pages[i].text;
			    var pat = new RegExp(d, 'gi');
			    if (tipuesearch.pages[i].title.search(pat) != -1)
			    {
				var m_c = tipuesearch.pages[i].title.match(pat).length;
				score += (20 * m_c);
			    }
			    if (tipuesearch.pages[i].text.search(pat) != -1)
			    {
				var m_c = tipuesearch.pages[i].text.match(pat).length;
				score += (20 * m_c);
			    }
			    if (tipuesearch.pages[i].tags)
			    {
				if (tipuesearch.pages[i].tags.search(pat) != -1)
				{
				    var m_c = tipuesearch.pages[i].tags.match(pat).length;
				    score += (10 * m_c);
				}
			    }
			    if (tipuesearch.pages[i].url.search(pat) != -1)
			    {
				score += 20;
			    }
			    
			    if (score != 0)
			    {
				for (var e = 0; e < tipuesearch_weight.weight.length; e++)
				{
				    if (tipuesearch.pages[i].url == tipuesearch_weight.weight[e].url)
				    {
					score += tipuesearch_weight.weight[e].score;
				    }
				}
			    }
			    
			    if (score != 0)
			    {
				found.push(
				    {
					"score": score,
					"title": tipuesearch.pages[i].title,
					"desc": s_t,
					"img": tipuesearch.pages[i].img,
					"url": tipuesearch.pages[i].url,
					"note": tipuesearch.pages[i].note
				    });
				c++;                                                                  
			    }                              

			}
		    }                         
		    
		    if (c !== 0)
		    {
			if (set.showTitleCount && tipuesearch_t_c === 0)
			{
			    var title = document.title;
			    document.title = '(' + c + ') ' + title;
			    tipuesearch_t_c++;
			}                         

			if (c === 1)
			{
			    out += '<div id="tipue_search_results_count">' + tipuesearch_string_4;
			}
			else
			{
			    var c_c = c.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
			    out += '<div id="tipue_search_results_count">' + c_c + ' ' + tipuesearch_string_5;
			}
			if (set.showTime)
			{
			    var endTimer = new Date().getTime();
			    var time = (endTimer - startTimer) / 1000;
			    out += ' (' + time.toFixed(2) + ' ' + tipuesearch_string_14 + ')';
			    set.showTime = false;
			}
			out += '</div>';

			
			if (set.showRelated && standard)
			{
			    f = 0;
			    for (var i = 0; i < tipuesearch_related.Related.length; i++)
			    {
				if (d == tipuesearch_related.Related[i].search)
				{
				    if (!f)
				    {
					out += '<div class="tipue_search_related">' + tipuesearch_string_10 + '</div><div class="tipue_search_related_block">';
				    }
				    if (show_replace)
				    {
					d_o = d;
				    }
				    
				    if (tipuesearch_related.Related[i].include)
				    {
					var r_d = d_o + ' ' + tipuesearch_related.Related[i].related;
				    }
				    else
				    {
					var r_d = tipuesearch_related.Related[i].related;
				    }                                             
				    
				    out += '<a class="tipue_search_related_btn" id="' + r_d + '">' + tipuesearch_related.Related[i].related + '</a>';
				    f++;         
				}
			    }
			    if (f)
			    {
				out += '</div>';
			    }   
			}

			if (show_replace)
			{
			    out += '<div id="tipue_search_replace">' + tipuesearch_string_2 + ' ' + d + '. ' + tipuesearch_string_3 + ' <a id="tipue_search_replaced">' + d_r + '</a></div>';
			}
			
			found.sort(function(a, b) { return b.score - a.score } );
			
			var l_o = 0;
			
			if (set.imageZoom)
			{
			    out += '<div id="tipue_search_image_modal"><div class="tipue_search_image_close">&#10005;</div><div class="tipue_search_image_block"><a id="tipue_search_zoom_url"><img id="tipue_search_zoom_img"></a><div id="tipue_search_zoom_text"></div></div></div>';    
			}
			
			for (var i = 0; i < found.length; i++)
			{
			    if (l_o >= start && l_o < set.show + start)
			    {
				out += '<div class="tipue_search_result">';
				
				out += '<div class="tipue_search_content_title"><a href="' + found[i].url + '"' + tipue_search_w + '>' +  found[i].title + '</a></div>';
				
				if (set.debug)
				{                                             
				    out += '<div class="tipue_search_content_debug">Score: ' + found[i].score + '</div>';
				}
				
				if (set.showURL)
				{
				    var s_u = found[i].url.toLowerCase();
				    if (s_u.indexOf('http://') == 0)
				    {
					s_u = s_u.slice(7);
				    }                                             
				    out += '<div class="tipue_search_content_url"><a href="' + found[i].url + '"' + tipue_search_w + '>' + s_u + '</a></div>';
				}
				
				if (found[i].img)
				{
				    if (set.imageZoom)
				    {
					out += '<div class="tipue_search_image"><img class="tipue_search_img tipue_search_image_zoom" src="' + found[i].img + '" alt="' + found[i].title + '" data-url="' + found[i].url + '"></div>';     
				    }
				    else
				    {
					out += '<div class="tipue_search_image"><a href="' + found[i].url + '"' + tipue_search_w + '><img class="tipue_search_img" src="' + found[i].img + '" alt="' + found[i].title + '"></a></div>';
				    }
				}
				
				if (found[i].desc)
				{                                        
				    var t = found[i].desc;

				    if (set.showContext)
				    {
					d_w = d.split(' ');
					var s_1 = found[i].desc.toLowerCase().indexOf(d_w[0]);
					if (s_1 > set.contextStart)
					{
					    var t_1 = t.substr(s_1 - set.contextBuffer);
					    var s_2 = t_1.indexOf(' ');
					    t_1 = t.substr(s_1 - set.contextBuffer + s_2);
					    t_1 = $.trim(t_1);
					    
					    if (t_1.length > set.contextLength)
					    {                                                      
						t = '... ' + t_1;
					    }
					}   
				    }
				    
				    if (standard)
				    {
					d_w = d.split(' ');
					for (var f = 0; f < d_w.length; f++)
					{
					    if (set.highlightTerms)
					    {
						var patr = new RegExp('(' + d_w[f] + ')', 'gi');
						t = t.replace(patr, "<h0011>$1<h0012>");
					    }
					}
				    }
				    else if (set.highlightTerms)
				    {
					var patr = new RegExp('(' + d + ')', 'gi');
					t = t.replace(patr, "<span class=\"tipue_search_content_bold\">$1</span>");
				    }
				    
				    var t_d = '';
				    var t_w = t.split(' ');
				    if (t_w.length < set.descriptiveWords)
				    {
					t_d = t;
				    }
				    else
				    {
					for (var f = 0; f < set.descriptiveWords; f++)
					{
					    t_d += t_w[f] + ' '; 	
					}
				    }
				    t_d = $.trim(t_d);
				    if (t_d.charAt(t_d.length - 1) != '.')
				    {
					t_d += ' ...';
				    }
				    
				    t_d = t_d.replace(/h0011/g, 'span class=\"tipue_search_content_bold\"');
				    t_d = t_d.replace(/h0012/g, '/span');
				    
				    out += '<div class="tipue_search_content_text">' + t_d + '</div>';
				}
				
				if (found[i].note)
				{
				    out += '<div class="tipue_search_note">' + found[i].note + '</div>';    
				}                                       
				
				out += '</div>';
			    }
			    l_o++;     
			}                              

			if (c > set.show)
			{
			    var pages = Math.ceil(c / set.show);
			    var page = (start / set.show);
			    if (set.footerPages < 3)
			    {
				set.footerPages = 3;
			    }
			    
			    out += '<div id="tipue_search_foot"><ul id="tipue_search_foot_boxes">';
			    
			    if (start > 0)
			    {
				out += '<li role="navigation"><a class="tipue_search_foot_box" accesskey="b" id="' + (start - set.show) + '_' + replace + '">' + tipuesearch_string_6 + '</a></li>'; 
			    }
			    
			    if (page <= 2)
			    {
				var p_b = pages;
				if (pages > set.footerPages)
				{
				    p_b = set.footerPages;
				}                    
				for (var f = 0; f < p_b; f++)
				{
				    if (f == page)
				    {
					out += '<li class="current" role="navigation">' + (f + 1) + '</li>';
				    }
				    else
				    {
					out += '<li role="navigation"><a class="tipue_search_foot_box" id="' + (f * set.show) + '_' + replace + '">' + (f + 1) + '</a></li>';
				    }
				}
			    }
			    else
			    {
				var p_b = page + set.footerPages - 1;
				if (p_b > pages)
				{
				    p_b = pages; 
				}
				for (var f = page - 1; f < p_b; f++)
				{
				    if (f == page)
				    {
					out += '<li class="current" role="navigation">' + (f + 1) + '</li>';
				    }
				    else
				    {
					out += '<li role="navigation"><a class="tipue_search_foot_box" id="' + (f * set.show) + '_' + replace + '">' + (f + 1) + '</a></li>';
				    }
				}
			    }                         
			    
			    if (page + 1 != pages)
			    {
				out += '<li role="navigation"><a class="tipue_search_foot_box" accesskey="m" id="' + (start + set.show) + '_' + replace + '">' + tipuesearch_string_7 + '</a></li>'; 
			    }                    
			    
			    out += '</ul></div>';
			}

		    }
		    else
		    {
			out += '<div id="tipue_search_error">' + tipuesearch_string_8 + '</div>'; 
		    }
		}
		else
		{
		    if (show_stop)
		    {
			out += '<div id="tipue_search_error">' + tipuesearch_string_8 + ' ' + tipuesearch_string_9 + '</div>';     
		    }
		    else
		    {
			if (set.minimumLength == 1)
			{
			    out += '<div id="tipue_search_error">' + tipuesearch_string_11 + '</div>';
			}
			else
			{
			    out += '<div id="tipue_search_error">' + tipuesearch_string_12 + ' ' + set.minimumLength + ' ' + tipuesearch_string_13 + '</div>';
			}
		    }
		}                
		
		$(set.tipue_search_content).hide().html(out).slideDown(200);
		
		$('#tipue_search_replaced').click(function()
						  {
						      getTipueSearch(0, false);
						  });
		
		$('.tipue_search_related_btn').click(function()
						     {
							 $('#tipue_search_input').val($(this).attr('id'));
							 getTipueSearch(0, true);
						     });
		
		$('.tipue_search_image_zoom').click(function()
						    {
							$('#tipue_search_image_modal').fadeIn(300);
							$('#tipue_search_zoom_img').attr('src', this.src);
							
							var z_u = $(this).attr('data-url');
							$('#tipue_search_zoom_url').attr('href', z_u);
							
							var z_o = this.alt + '<div class="tipue_search_zoom_options"><a href="' + this.src + '" target="_blank">' + tipuesearch_string_15 + '</a>&nbsp; <a href="' + z_u + '">' + tipuesearch_string_16 + '</a></div>';
							
							$('#tipue_search_zoom_text').html(z_o);
						    });
		
		$('.tipue_search_image_close').click(function()
						     {
							 $('#tipue_search_image_modal').fadeOut(300);
						     });                
		
		$('.tipue_search_foot_box').click(function()
						  {
						      var id_v = $(this).attr('id');
						      var id_a = id_v.split('_');
						      
						      getTipueSearch(parseInt(id_a[0]), id_a[1]);
						  });                                                       
	    }          
	    
	});
    };
    
})(jQuery);