sr-iHealthApp/html/prescription/js/yaopinsousuo.js

mui.plusReady(function(){
	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'),
		$del = $('.u-icon-delete'),
		$ul = $('.lc-list'),
		$searchResult = $('#search_result');
	$searchbarInput.focus();
	
	//监视输入
	$searchbarInput.on('input', function() {
		var text = $(this).val().trim();
		if(text){
			$del.show()
		}else{
			$del.hide()
		}
		$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 ;
		}
		$searchSuggest.hide();
		var params = {
			name:search_keyword
		}
		plus.nativeUI.showWaiting();
		sendPost("doctor/prescriptionInfo/findDictByName",params, function(){
			plus.nativeUI.closeWaiting();
			mui.toast("获取数据失败");
		}, function(res){
			plus.nativeUI.closeWaiting();
			if(res.status == 200){			
				if(res.data.length>0){
					var html = template('result_tmp',{data:$.map(res.data,function(o,index){
						o.isRefrigerate = o.storageConditions;
						o.physicAmountUnit = o.packUnit;
						o.physicAmountUnitName = o.packUnitName;
						o.jsonStr = JSON.stringify(o);
						return o })
					})
					$ul.empty().html(html)
					ellipsisText($searchResult.find('.yp-one'),search_keyword)
					$noResultWrap.hide();
					$searchResult.show();
				}else{
					$noResultWrap.show()
					$ul.empty()
					$searchResult.hide()
				}
			}else{
				mui.toast("获取数据失败");
			}
		},'get')		
	}
	
	$searchSuggest.on('click',function() {
		searchByPaging()
	})
	
	mui('.mui-scroll-wrapper').scroll({
		bounce: true
	})
	
	// 控制搜索关键字悬浮提示的显示
	function showSearchSuggest(text) {
		var suggestText = '搜索“'+text+'”';
		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;
	}
	//清空
	$del.click(function(){
		$searchbarInput.val('')
		$del.hide()
		$noResultWrap.hide()
		$searchResult.hide()
		$searchSuggest.empty().hide()
		$searchbarInput.focus()
	})
	//选取用药
	$ul.on('click','.yp-one',function(){
		var $val = $(this).attr('data-json');
		plus.storage.setItem("chooseMedicineList",$val)
		//新增
		var page = plus.webview.getWebviewById("change-chufang2");
	    if(page){
	        mui.fire(page, "addMedicine");
	    }
	    //返回添加页
	    var page1 = plus.webview.getWebviewById("yaopinsousuo");
	    if(page1){
	        page1.close()
	    }
	    mui.back()
	})
})