TDataView_ui/scripts/mod/tools/toolChooseBounds.js

/**
 * @fileoverview 工具 测量地图面积 模块
 * @author Song.Huang
 * @version 1.0.0
 */
define(['vendorDir/map23dlib/leaflet.choosebounds'],
function(){
	/**
	 * 状态值
	 * @type {Boolean}
	 * @default false
	 * @private
	 */
	var status ={
		initialized:false//是否初始化
	}
	/**
	 * 模块数据 用于数据存储和外部调用
	 * @type {Object}
	 * 数据存放
	 */
	var modValue ={
		loopAjaxTimeOut:{},
		time_stamp:'',
		postData:null,
		mapChoose:null
	}
	var status = {
		countingLock:false
	}
	/**
	 * 初始化
	 * 监听事件
	 * @type {Function}
	 */
	function init(){
		if(!status.initialized){
			status.initialized = true;
			setLayout();
			bindEvent();
			subscribe();
			modValue.mapChoose = L.control.mapChoose().addTo(map2DViewer.map);
			//map2DViewer.map.on('mapShot:postData',modValue.mapShotPostData,this);
		}
		ONEMAP.C.publisher.publish({
		    modName:'toolMapChoose'
		},'tools:active');
	};
	function setLayout(){
		$('body').append($('<div id="mapShotDownload"><p></p></div>'));
		$(window).resize(function() {
            layoutResize();
        });
	};
	function bindEvent(){
		
	};
	function layoutResize(){
	    var curWindowHeigth = $(window).height();
	    if(map23DData.display.map2D){
	        if(curWindowHeigth < 955){
	           $("#mapHolder .leaflet-mapshot-info").css({
	                "left":-130
	           })
	        }else{
	            $("#mapHolder .leaflet-mapshot-info").css({
	                 "left":-179
	            })
	        }
	    }else{
	        $("#mapHolder .leaflet-mapshot-info").css({
	             "left":-179
	        })
	    }
	};
	function mapShotPostData(postData){
		modValue.postData = postData;
		var LTpx = map2DViewer.map.project(
		    new L.LatLng(JSON.parse(postData.bbox)[1],JSON.parse(postData.bbox)[0]),
		    postData.zoom
		    );
		var RBpx = map2DViewer.map.project(
		    new L.LatLng(JSON.parse(postData.bbox)[3],JSON.parse(postData.bbox)[2]),
		    postData.zoom
		    );
		var countDownTF = parseInt(((RBpx.x-LTpx.x)*(RBpx.y-LTpx.y))/(5120*5120));
		if(countDownTF > onemapUrlConfig.mapShotMaxPicCount){
			
			$('#mapShotDownload p').html('当前范围产生'+countDownTF+'个图幅数，'+
				'<br/>已经超过单次下载'+onemapUrlConfig.mapShotMaxPicCount+'个最大图幅数（5120×5120像素/图幅），请分开截图！<br/>'+
				'<span id="continueMapShot" onclick="ONEMAP.M.toolMapChoose.continueMapShot()">修改区域</span>')
			$('#mapShotDownload').show();
			return false;
		}

		$('#mapShotDownload').show();
		var nDate = new Date();
		modValue.time_stamp = nDate.getTime();
		var url = onemapUrlConfig.mapShotDownServerUrl+'/puzzles/?bbox='+postData.bbox+'&zoom='+postData.zoom+'&type='+postData.guid+'&ext='+postData.ext+'&time_stamp='+modValue.time_stamp+'&name='+encodeURI(postData.name);

		$.ajax({
		    type:"get",
		    url:url,
		    dataType:'jsonp',
		    jsonp:'callback',
		    success:function(data){
		        //modValue._loopGetResult({ajaxKey:'1'});
		    }
		});

		setTimeout(function(){
		    loopGetResult({ajaxKey:modValue.time_stamp});
		}, 1000);
	};
	function againMapShotPostData(){
		mapShotPostData(modValue.postData);
	}
	function loopGetResult(options){

	};
	function continueMapShot(){
		if(modValue.loopAjaxTimeOut.hasOwnProperty(modValue.time_stamp)){
		    clearTimeout(modValue.loopAjaxTimeOut[modValue.time_stamp]);
		}
		$('#mapShotDownload').hide().html('<p>正在提交截图数据到服务器</p>');
	}

	function exitMapShot(){
		$('#mapshotScreen').click();
		modValue.mapChoose.remove();
		$('#mapShotDownload').hide()
	}


	/**
	 * 注册监听
	 */
	 function subscribe(){
	 	ONEMAP.C.publisher.subscribe(remove, 'tools:active');
	 	ONEMAP.C.publisher.subscribe(mapShotPostData,'mapShot:postData');
	 };
	/**
	 * 功能移除
	 */
	function remove(options){
		// console.log(options.modName);

		// 防止与截图功能发生混乱
		if(options.modName == 'toolMapShot'){
			return false;
		} else{
			modValue.mapChoose.init();
		}
	};

return ONEMAP.M.toolMapChoose = {
	init:init
}
});