sr-iHealthApp/html/mbgl/js/juminsousuo.js

mui.plusReady(function() {
	var page = 1,
		pagesize = 15;
		
	var self = plus.webview.currentWebview();
	var teamCode = self.teamCode;
	var isTrack = self.isTrack;
	
	var $searchbarInput = $('#searchPut'),
		$searchSuggest = $('#search_suggest_text'),// 搜索框下面悬浮的搜索提示
		search_keyword = "",//记录搜索框的内容
		$noResultWrap = $('#no_result_wrap'),
		$searchResult = $('#search_result');

	mui.init({
		pullRefresh : {
		    container:'.mui-scroll-wrapper',
		    up : {
			    height:50,
			    contentdown:"",
			    contentrefresh : "正在加载...",
			    contentnomore:'没有更多数据了',
			    callback: function() {
			    	var self = this;
			    	page++;
			    	queryListData(function(value){
			    		setTimeout(function(){
			    			self.endPullupToRefresh(value);
			    		},500)
			    	})
				}
		    }
		}
	})

	//监视输入
	$searchbarInput.on('input', function() {
		var text = $(this).val().trim();
		$searchResult.hide();
		$noResultWrap.hide();
		showSearchSuggest(text);
	}).on('keydown',function(e) {
		if (e.which === 13) {
		    searchByPaging()
		}
	})
	
	//查询
	function searchByPaging(){
		$searchbarInput.blur();
		search_keyword = $searchbarInput.val();
		if(!$.trim(search_keyword)) {
			return ;
		}
		page = 1;
		$('#dest_list').empty();
		mui('.mui-scroll-wrapper').pullRefresh().refresh(true);
		plus.nativeUI.showWaiting();
		queryListData();
		$searchSuggest.hide();
		$noResultWrap.hide();
	}
	
	$searchSuggest.on('click',function() {
		searchByPaging()
	})
	
	// 控制搜索关键字悬浮提示的显示
	function showSearchSuggest(text) {
		var suggestText = '搜索“'+text+'”';
		// 如果text不为空，则显示；否则隐藏
		if(text&&text.trim().length) {
			$searchSuggest.text(suggestText);
			$searchSuggest.show();
		} else {
			$searchSuggest.text('');
			$searchSuggest.hide();
		}
	}
	
	//关键字变色
	function ellipsisText($elements, searchText) {
		_.each($elements,function(el) {
		    var $textEl = $(el).find(".j-text-ellipsis");
		    _.each($textEl, function(t){
		        highlineKeyword($(t),searchText)
		    })
		})
	}
	function highlineKeyword($el,searchText) {
		var props = getRowProps($el),
			chartWidth = props.chartWidth,
			rowHeight = props.rowHeight,
			rowWidth = props.rowWidth,
			// 每行显示字符数（以中文字符为标准计算）
			chartNum = Math.floor(rowWidth / chartWidth.zh),
			// 排除指定数量字符所占宽度
			exceptNum = 0,
			// 行数
			rowNum = 1,
			// 预计显示总字符数
			expectedNum = chartNum * rowNum - exceptNum,
			$target = $el,
			// 目标文本
			text = $.trim($target.attr('data-text')),
			length = text.length,
			// 关键字数组
			kws = $.trim(searchText).replace(/\s+/g," ").split(" ");

		var fidx = 0,preFidx,diff = 0;
		$target.html(replaceAll(text, kws));
		if(Math.floor($target.height() / rowHeight) <= rowNum) {
			return ;
		}
	}
	function getRowProps($el) {
		var $textEllipsis = $el,
			$text = $textEllipsis.eq(0),
			$chart = $text.text('a'),
			enWidth = $chart.width(),
			$chart = $text.text('中'),
			zhWidth = $chart.width(),
			lineHeight = parseFloat($chart.css("lineHeight"), 10),
			rowHeight = $chart.height();
		$chart.text('');
		return {
			chartWidth: {
				zh: zhWidth,
				en: enWidth
			},
			rowHeight: Math.max(rowHeight, lineHeight),
			rowWidth: $el.width()
		};
	}
	function replaceAll(text, arr) {
		var html = text;
		_.each(arr,function(kw) {
			var reg = new RegExp(kw+"(?!>)","gi");
			html = html.replace(reg,'<em>'+kw+'</em>');
		});
		return html;
	}
	
	//取消
	$('.searchbar-cancel').on('click',function() {
		mui.back();
	})
	
	//点击跳转
	$searchResult.on('tap','.j-li',function(){
		var patiInfo = $(this).attr("data-json");
		var info = JSON.parse(patiInfo);
		if(isTrack){
		    mui.openWindow({
                id: "jumin-manbingdangan",
                url: "jumin-manbingdangan.html",
                extras: {
                    patient: info.code
                }
            });
            return false;
		}
		mui.openWindow({
			id: "huanzhexinxi",
			url: "../../huanzhe/html/huanzhexinxi.html",
			extras: {
				teamCode: teamCode, 
				patiInfo: patiInfo,
				patiCode: info.code	
			}
		})
	})
	
	function queryListData(fun){
		var params ={
			teamCode:teamCode,
			page:page,
			pagesize:pagesize,
			filter:search_keyword
		}
		if(isTrack){
		    params.trackFlag = 1;
		}
		sendPost("doctor/patient_label_info/slowdisease/patient/search",params, function(){
			plus.nativeUI.closeWaiting();
			mui.toast("请求失败");
		}, function(res){
			plus.nativeUI.closeWaiting();
			if(res.status == 200){
				var html = template('li_tmpl',{list:_.map(res.data,function(o){
						o.jsonStr = JSON.stringify(o)
						return o
					})
				})
				if(page == 1 && res.data.length==0){
					$noResultWrap.show();
					$searchResult.hide();
				}else{
					$noResultWrap.hide();
					$searchResult.show();
					if(res.data.length < pagesize){
						fun&&fun.call(this,true)
					}else{
						fun&&fun.call(this,false)
					}
					$('#dest_list').append(html);
					ellipsisText($searchResult.find('.j-li'),search_keyword)//变色
				}
			}else{
				fun&&fun.call(this,false)
				mui.toast("查询失败");
			}
		},'get')
	}
})