梁美英 / programming · Files

$(document).ready(function(){
	
	var config = {
		siteURL		: 'gbtags.com',	// Change this to your site
		searchSite	: true,
		searchWeb	: false,
		searchTag	: false,
		searchGBTags	: false,
		type		: 'web',
		append		: false,
		perPage		: 8,			// A maximum of 8 is allowed by Google
		page		: 0				// The start page
	};
	
	// The small arrow that marks the active search icon:
	var arrow = $('<span>',{className:'arrow'}).appendTo('ul.icons');
	
	$('ul.icons li').click(function(){
		var el = $(this);
		
		if(el.hasClass('active')){
			// The icon is already active, exit
			return false;
		}
		
		el.siblings().removeClass('active');
		el.addClass('active');
		
		// Move the arrow below this icon
		arrow.stop().animate({
			left		: el.position().left,
			marginLeft	: (el.width()/2)-4
		});
		
		// Set the search type
		config.type = el.attr('data-searchType');
		$('#more').hide();
	});
	
	// Adding the site domain as a label for the first radio button:
	//$('#siteNameLabel').html(config.siteURL);
	
	
	// Marking the Search gbin1 radio as active:
	if(source === 'gbtags'){
		$('#gbtagsNameLabel').addClass('selected');
		$('#resultnum').show();
		config.searchSite = false;
		config.searchGBtags = true;
	}else{
		$('#siteNameLabel').addClass('selected');
	}	
	
	// Marking the web search icon as active:
	var contenttypepanel = $('.icons');
	contenttypepanel.find('li');
	$('li.web').click();
	
	// Focusing the input text box:
	$('#s').focus();

	var canceltimetout = null,
	   confirmcancel = $('<button/>',{'id':'confirmcancel','text':'取消','style':'text-align:center;'});
	
	
	var changeflag = false;
	$('#searchGBTags,#searchTag,#searchSite,#searchWeb').change(function(){
		changeflag = true;
		clearTimeout(canceltimetout);
		// Listening for a click on one of the radio buttons.
		// config.searchSite is either true or false.
		$(this).next().addClass('selected').siblings().removeClass('selected');
		
		config.searchSite = this.id == 'searchSite';
		config.searchWeb = this.id == 'searchWeb';
		config.searchGBTags = this.id == 'searchGBTags';
		config.searchTag = this.id == 'searchTag';
		
		if(config.searchWeb||config.searchSite){
			contenttypepanel.find('li').show();
			googleSearch();
			$('#resultnum').hide();
		}else if(config.searchTag){
			contenttypepanel.find('li').hide();
			gbtagSearch();
			$('#resultnum').hide();
		}else{
			contenttypepanel.find('li').hide();
			gbtagsSearch();
			$('#resultnum').show();
		}
	});

	if(search!==''||search!=='undefine'){
		$('#s').val(search);
		if(config.searchSite||config.searchWeb){
			googleSearch();
		}else if(config.searchTag){
			gbtagSearch();
		}else{
			gbtagsSearch();
		}
	}

	$('#searchForm').submit(function(){
		$('#resultsDiv').html('');
		$('#more').remove();

		if(config.searchSite||config.searchWeb){
			googleSearch();
		}else if(config.searchTag){
			gbtagSearch();
		}else{
			gbtagsSearch();
		}

		return false;
	});	
	
	function gbtagsSearch(settings){
		var resultsDiv = $('#resultsDiv');
		settings = $.extend({},config,settings);
		settings.term = settings.term || $('#s').val();
	
		var loading= $('<div class="loading"></div>');
				
		if(changeflag){
			resultsDiv.html('').append(loading);
		}
		
		$('#submitButton').attr('disabled', 'disabled');
		
		if(settings.term === '') settings.term = '*';

		var term = encodeURIComponent(settings.term);
		$.getJSON('/gbsearch/gbtags/select?q=title:' + term + '&start=' + settings.perPage*settings.page + '&hl=true&hl.fl=title&hl.simple.pre=<em>&hl.simple.post=</em>&wt=json&indent=false', function(data) {
			$('#numfound').html(data.response.numFound);
	        if(settings.perPage*settings.page<data.response.numFound){
		        var template = Handlebars.compile($("#gbtags-data-tmpl").html());
		        
		        var highlight = data.highlighting,
		            rawresultlist = data.response.docs,
		        	resultlist = [];
			    
	    		for(var i=0;i<rawresultlist.length;i++){
	    			var id = rawresultlist[i].id,
	    				title = rawresultlist[i].title;
	    				description  =  rawresultlist[i].description;
	    			for (var idstr in highlight) {
	    				if(idstr === id){
		    				if(highlight[idstr].title!==undefined){
		    					title = highlight[idstr].title;
		    				}
		    				break;
	    				}
	    			}
	    			resultlist.push({title:title,id:id,description:description});
		    	}
			    
			    var htmlcontent = template(resultlist);
		        
		        $('#resultsDiv').append( htmlcontent );
				$('<div>',{id:'more'}).appendTo(resultsDiv).click(function(){
					changeflag = false;
					gbtagsSearch({append:true,page:settings.page+1});
					$(this).hide();
				});
			}else{
		        $('#resultsDiv').append( '<div style="text-align:center;">没有更多相关搜索结果</div>' );
				$('#more').hide();
			}
			$('#submitButton').removeAttr('disabled');
			loading.remove();
		});	
	}

	function gbtagSearch(settings){
		var resultsDiv = $('#resultsDiv');
		settings = $.extend({},config,settings);
		settings.term = settings.term || $('#s').val();
	
		var loading= $('<div class="loading"></div>');
				
		if(changeflag){
			resultsDiv.html('').append(loading);
		}
		
		$('#submitButton').attr('disabled', 'disabled');
		identityService.findAllPostByTagName({tags:settings.term,start:(settings.page*settings.perPage),offset:settings.perPage},{
			callback:function(data){
				if(data.length>0){
                    var template = Handlebars.compile($("#data-tmpl").html());
                    var htmlcontent = template(data);
                    resultsDiv.append( htmlcontent );
					$('<div>',{id:'more'}).appendTo(resultsDiv).click(function(){
						changeflag = false;
						gbtagSearch({append:true,page:settings.page+1});
						$(this).hide();
					});
                }else{
                    if(settings.page===0){
                    	var infop = $('<p>',{'class':'notFound','html':'社区标签没有相关结果 <div id="autosearchwrapper">(<span id="searchcounter">3</span>秒后将自动尝试"GBin1.com站内搜索")</div>'});
		        		infop.append(confirmcancel).hide().appendTo(resultsDiv).show();
		        		canceltimetout = setTimeout(function(){$('#searchSite').click();}, 3000);
		        		var count = 2, countinterval = setInterval(function(){
		        			infop.find('#searchcounter').html(count--);
		        			if(count == 0){clearInterval(countinterval);}
		        			}, 1000);
		        	}
		        }
		        $('#submitButton').removeAttr('disabled');
		        
		        loading.remove();
			}
		});	
	}
	
	$('#resultsDiv').on('click','#confirmcancel', function(){
		clearTimeout(canceltimetout);
		$('#autosearchwrapper').hide();
		confirmcancel.hide();
	});
	
	function googleSearch(settings){
		
		// If no parameters are supplied to the function,
		// it takes its defaults from the config object above:
		
		settings = $.extend({},config,settings);
		settings.term = settings.term || $('#s').val();
		
		if(settings.searchSite){
			// Using the Google site:example.com to limit the search to a
			// specific domain:
			settings.term = 'site:'+settings.siteURL+' '+settings.term;
		}
		
		// URL of Google's AJAX search API
		var apiURL = 'http://ajax.googleapis.com/ajax/services/search/'+settings.type+'?v=1.0&callback=?';
		var resultsDiv = $('#resultsDiv');
		
		var loading= $('<div class="loading"></div>');
		
		resultsDiv.append(loading);
		
		$('#submitButton').attr('disabled', 'disabled');
		
		$.getJSON(apiURL,{q:settings.term,rsz:settings.perPage,start:settings.page*settings.perPage},function(r){
			
			var results = r.responseData.results;
			$('#more').remove();
			
			if(results.length){
				
				// If results were returned, add them to a pageContainer div,
				// after which append them to the #resultsDiv:
				
				var pageContainer = $('<div>',{'class':'pageContainer'});
				
				for(var i=0;i<results.length;i++){
					// Creating a new result object and firing its toString method:
					pageContainer.append(new result(results[i]) + '');
				}
				
				if(!settings.append){
					// This is executed when running a new search, 
					// instead of clicking on the More button:
					resultsDiv.empty();
				}
				
				pageContainer.append('<div class="clear"></div>')
							 .hide().appendTo(resultsDiv)
							 .fadeIn('slow');
				
				var cursor = r.responseData.cursor;
				
				// Checking if there are more pages with results, 
				// and deciding whether to show the More button:
				
				if( +cursor.estimatedResultCount > (settings.page+1)*settings.perPage){
					$('<div>',{id:'more'}).appendTo(resultsDiv).click(function(){
						googleSearch({append:true,page:settings.page+1});
						$(this).hide();
					});
				}
			}
			else {
				resultsDiv.empty();	
				
				if($('#searchForm label.selected').text()==='Google.com'){
					resultsDiv.html('<p class="notFound" style="display: block;">Google.com没有相关结果<p>');
					return;
				}

            	var infop = $('<p>',{'class':'notFound','html':'gbtags.com没有相关结果 <div id="autosearchwrapper">(<span id="searchcounter">3</span>秒后将自动尝试"谷歌搜索")</div>'});
        		infop.append(confirmcancel).hide().appendTo(resultsDiv).show();
        		canceltimetout = setTimeout(function(){$('#searchWeb').click();}, 3000);
        		var count = 2, countinterval = setInterval(function(){
        			infop.find('#searchcounter').html(count--);
        			if(count == 0){clearInterval(countinterval);}
        			}, 1000);				
			}
			loading.remove();
			$('#submitButton').removeAttr('disabled');
		});
	}
	
	function result(r){
		
		// This is class definition. Object of this class are created for
		// each result. The markup is generated by the .toString() method.
		
		var arr = [];
		
		// GsearchResultClass is passed by the google API
		switch(r.GsearchResultClass){

			case 'GwebSearch':
				arr = [
					'<div class="webResult">',
					'<h2><a href="',r.unescapedUrl,'" target="_blank">',r.title,'</a></h2>',
					'<p>',r.content,'</p>',
					'<a href="',r.unescapedUrl,'" target="_blank">',r.visibleUrl,'</a>',
					'</div>'
				];
			break;
			case 'GimageSearch':
				arr = [
					'<div class="imageResult">',
					'<a target="_blank" href="',r.unescapedUrl,'" title="',r.titleNoFormatting,'" class="pic" style="width:',r.tbWidth,'px;height:',r.tbHeight,'px;">',
					'<img src="',r.tbUrl,'" width="',r.tbWidth,'" height="',r.tbHeight,'" /></a>',
					'<div class="clear"></div>','<a href="',r.originalContextUrl,'" target="_blank">',r.visibleUrl,'</a>',
					'</div>'
				];
			break;
			case 'GvideoSearch':
				arr = [
					'<div class="imageResult">',
					'<a target="_blank" href="',r.url,'" title="',r.titleNoFormatting,'" class="pic" style="width:150px;height:auto;">',
					'<img src="',r.tbUrl,'" width="100%" /></a>',
					'<div class="clear"></div>','<a href="',r.originalContextUrl,'" target="_blank">',r.publisher,'</a>',
					'</div>'
				];
			break;
			case 'GnewsSearch':
				arr = [
					'<div class="webResult">',
					'<h2><a href="',r.unescapedUrl,'" target="_blank">',r.title,'</a></h2>',
					'<p>',r.content,'</p>',
					'<a href="',r.unescapedUrl,'" target="_blank">',r.publisher,'</a>',
					'</div>'
				];
			break;
		}
		
		// The toString method.
		this.toString = function(){
			return arr.join('');
		};
	}
	

	Handlebars.registerHelper('shortenTextBy50', function(text) {
		return text.trunc(50);
	});
	
	Handlebars.registerHelper('shortenTextBy280', function(text) {
		return text.trunc(150);
	});
	
	Handlebars.registerHelper('gbtagsTitle', function(obj) {
		return obj.title[0];
	});

	Handlebars.registerHelper('gbtagShortenTextBy280', function(text) {
		return $('<div/>').append(text).text().trunc(150);
	});
});