sr-iHealthApp/html/huanzhe/js/searchhuanzhe.js

	// 基本信息（包括userAgent）
var baseInfo = null,
	// 基础环境信息（包括当前webview）
	baseEnv = null;
	
	// 搜索框
var $searchbar = $('.searchbar'),
	// 搜索输入框
	$searchbarInput = $('.lin-search-ipt input'),
	// 搜索取消按钮
	$searchCancelBtn = $('.searchbar-cancel'),
	// 搜索框下面悬浮的搜索提示
	$searchSuggest = $('#search_suggest_text'),
	// 搜索结果展示容器
	$searchtResult = $('#search_result'),
	// 搜索无结果时显示
	$noResultWrap = $('#no_result_wrap'),
	$patiList = $('#pati_list'),
	// 分页查询最后一页
	$history = $('#history_search'),//历史搜索
	$hisSearList = $('#his_sear_list');
var page = 0,
    search_keyword = "", //记录搜索框的内容
	lastTeamId,// 从缓存取出所选团队
	pagesize = 15,
	historyData=[],//历史数据
	historyStr;

var self;
mui.plusReady(function() {
//	initKeyboardAndroid();
	docInfo = JSON.parse(plus.storage.getItem("docInfo"));
	historyStr = plus.storage.getItem("juminSearchHis"+docInfo.code);
	if(historyStr){
		historyStr = JSON.parse(historyStr).join(',');
		historyData = historyStr.split(',');
	}else{
		historyData = [];
	}
})

window.addEventListener("initSearch", function(e){
//	openSoftKeyboard();
	baseInfo = getBaseInfo();
	$("#searchAll").show();
	setTimeout(function(){
		$("#searchPut").focus();
	},100)
	if(historyData.length){
		$history.show();
	}
    lastTeamId = plus.storage.getItem("selectedTeamId");
})

// 获取登录相关信息
var getBaseInfo = function() {
		// 登录的相关信息
	var userAgent = JSON.parse(plus.storage.getItem("userAgent"))
	return {
		userAgent: userAgent
	}
},
// 获取基础环境信息
getBaseEnvPromise = function () {
	var env = {
		webview: plus.webview.currentWebview()
	}
	return Promise.resolve().then(function(res) {
		return env;
	})
},
historyList = function(){
	historyStr = plus.storage.getItem("juminSearchHis"+docInfo.code);
	if(historyStr){
		historyStr = JSON.parse(historyStr).join(',');
		historyData = historyStr.split(',');
	}else{
		historyData = [];
	}
	var html = template('his_list_tmpl',{list:historyData});
	$hisSearList.html('');
	$hisSearList.append(html);
},
// 初始化“患者”视图列表
initPatientViewList = function(data,keyword,isAppend) {
	var html = template("pati_list_tmpl", {list: data});
	searchText = $searchbarInput.val().trim();
	if(isAppend == true){
		$patiList.append(html)
	}else{
		mui('#jumin_wrapper').pullRefresh().scrollTo(0,0)
		$patiList.empty().append(html)
		mui('#jumin_wrapper').pullRefresh().refresh(true);//重置
	}
	ellipsisText($patiList.find('li'),searchText);
},
// $el: $('.c-content-warp')
getRowProps = function ($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: $el.width()
	};
},
replaceAll = function (text, arr) {
	var html = text;
	_.each(arr,function(kw) {
		var reg = new RegExp(kw+"(?!>)","gi");
		html = html.replace(reg,'<em>'+kw+'</em>');
	});
	return html;
},
highlineKeyword = function ($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 ;
	}
	if(text.length > expectedNum) {
		fidx = text.indexOf(kws[0])+kws[0].length-1;
		diff = fidx - expectedNum + 1;
		preFidx =  fidx;
		diff = (diff<0)?0:diff;
		var preChar = (diff>0)?"...":"";
		$target.html(preChar+replaceAll(text.slice(diff,preFidx+1), kws)+"...");
		while((Math.floor($target.height() / rowHeight) <= rowNum) && (preFidx < length)) {
			preFidx++;
			$target.html(preChar+replaceAll(text.slice(diff,preFidx+1), kws)+"...");
		}
		if(preFidx == length && (Math.floor($target.height() / rowHeight) <= rowNum)) {
			diff = diff>0?(diff - 1):0;
			$target.html(preChar+replaceAll(text.slice(diff,preFidx), kws));
		} else if((Math.floor($target.height() / rowHeight) > rowNum)) {
			$target.html(preChar+replaceAll(text.slice(diff,preFidx), kws)+"...");
		}
	}
},
ellipsisText = function ($elements, searchText) {
	_.each($elements,function(el) {
	    var $textEl = $(el).find(".j-text-ellipsis");
	    _.each($textEl, function(t){
	        highlineKeyword($(t),searchText)
	    })
	});
},
// 控制搜索关键字悬浮提示的显示
showSearchSuggest = function(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();
	}
},
// 分页查询列表
searchByPaging = function (isAppend,fun) {
	$history.hide();
	$("#searchPut").blur();
	search_keyword = $searchbarInput.val();
	if(!$.trim(search_keyword)) {
		return ;
	}
	plus.nativeUI.showWaiting();
	var url = "/doctor/concern/getConcernPatients",
	 params = { page:page,pageSize:pagesize,patientName:search_keyword};
	getReqPromise(url,params, "GET").then(function(res){
 		if(res.status == 200) {
			if((page==0 && !res.data) || (page==0 && !res.data.length)) {
				$searchtResult.hide();
				$noResultWrap.show();
			} else {
				$noResultWrap.hide();
				$searchtResult.show();
				initPatientViewList(res.data,search_keyword,isAppend);
				if(res.data.length < pagesize){
					fun&&fun.call(this,true)
				}else{
					fun&&fun.call(this,false)
				}
			}
 		}else{
 			mui.toast("搜索失败");
 		}
 		plus.nativeUI.closeWaiting();
	}).catch(function(e) {
		plus.nativeUI.closeWaiting();
		console && console.error(e)
	})
},
// 绑定页面事件
bindEvents = function (){
	mui.init({
		pullRefresh : {
		    container:'#jumin_wrapper',
		    up : {
			    height:50,
			    contentinit: '',
				contentdown: '',
			    contentrefresh : "正在加载...",
			    contentnomore:'没有更多数据了',
			    callback: function() {
			    	var self = this;
			    	page++;
			    	searchByPaging(true,function(value){
			    		setTimeout(function(){
			    			self.endPullupToRefresh(value);
			    		},500)
			    	})
				}
		    }
		}
	})
	
	$('#his_scroll').css({
		'height':$(window).height()-158
	})
	mui('#his_scroll').scroll({
    	bounce: true, //是否启用回弹
   })
	
	$searchbarInput.on('input', function() {
		var text = $(this).val().trim();
		$searchtResult.hide();
		$('#no_result_wrap').hide();
		if(text.length > 0){
		    $("#searchAll").hide();
		    $history.hide();
		}else{
		    $("#searchAll").show();
		    $history.show();
		}
		showSearchSuggest(text);
	}).on('keydown',function(e) {
		if (e.which === 13) {
		    page = 0;
		    $searchSuggest.hide();
			searchByPaging(false);
			//保存历史数据20个
			saveHisData();
		}
	});
	
	$('#clear_his_data').on('tap', function(){
		plus.storage.removeItem("juminSearchHis"+docInfo.code);
		historyList();
		$history.hide();
	})
	
	$hisSearList.on('click','.his-list',function(){
		var $that = $(this);
		page = 0;
		$("#searchAll").hide();
	    $searchSuggest.hide();
	    $history.hide();
	    $searchbarInput.val($that.text())
		searchByPaging(false);
	})
	
	$('.lin-search-ipt a').on('tap', function(){
		plus.webview.currentWebview().hide();
		mui.later(function(){
			$('#search_result').hide();
			$('#no_result_wrap').hide();
			$('#searchPut').val("");
			$("#search_suggest_text").html("").hide();
			$("#searchPut").blur();
		}, 50)
	})
	
	$searchSuggest.on('click',function() {
	    page = 0;
		$searchSuggest.hide();
		searchByPaging(false);
		
		//保存历史数据20个
		saveHisData()
	});
	
	$patiList.on('tap','li[data-patient-code]',function(e) {
		var code = $(this).attr("data-patient-code");
		var mobile = $(this).attr("data-patient-phone");
		var address = $(this).attr("data-patient-address");
		if(baseEnv.webview.origin=="suifang") {//“随访”功能
			if(baseEnv.webview.follow_type == 1){
	            openWebview("../../suifang/html/add_plan.html",{patientInfo: {code:code,mobile:mobile,address:address},chooseDate:baseEnv.webview.chooseDate});
	            return false;
	        }
	        if(baseEnv.webview.follow_type == 2){
	            openWebview("../../suifang/html/follow_way.html",{patientInfo: {code:code,mobile:mobile,address:address}});
	            return false;
	        }
		}else{
			openWebview("../../huanzhe/html/huanzhexinxi.html",{
				patiCode: code
			});
		}
		return false;
	})
	
	function saveHisData(){
		//保存历史数据20个
		var value = $searchbarInput.val().trim();
		if(value){
			if(historyData.length>19){
				historyData.pop();
			}
			if(historyData.indexOf(value)>-1){
				historyData =  _.filter(historyData, function(o){ return o != value; });
			}
			historyData.unshift(value);
			var str = JSON.stringify(historyData)
			plus.storage.setItem("juminSearchHis"+docInfo.code,str);
			historyList();
		}
	}
	
	$searchCancelBtn.on('click',function() {
		mui.back()
	})
	
	//搜索全部居民的绑定事件
	$("#searchAll").on('click', function(){
	    openWebview("search_all.html");
	});
};

// 页面业务处理流程开始
new Promise(function(resolve, reject) {
	mui.plusReady(function() {
		resolve(true);
	})
}).then(function() {
	// 获取基础环境信息
	return getBaseEnvPromise().then(function(env) {
		baseEnv = env;
	}).then(function() {
		// 获取登录基本信息
		baseInfo = getBaseInfo();
		lastTeamId = plus.storage.getItem("selectedTeamId");
		self = plus.webview.currentWebview();
		$searchbar.searchBar();
//		openSoftKeyboard();
		$searchbarInput.focus();
		historyList();
		if(historyData.length){
			$history.show();
		}
		// 绑定页面事件
		bindEvents();
	})
}).catch(function(e) {
	plus.nativeUI.closeWaiting();
	console && console.error(e);
});