TDataView_ui/scripts/mod/menu/legend.js

define(['html!templates/menu/legend',
    'css!styles/menu/legend',
    'css!styles/popupHtml'
], function(tpclayout) {

	var modValue = {
		pictureUrl:null,
		iviewer:null
	};
	var stutas = {
		initialized:false
	};

	function init(options){
		if(!stutas.initialized){
			setLayout();
			bindEvents();
			subscribe();
		}
		modValue.pictureUrl = options.pictureUrl;
		if(modValue.pictureUrl == "undefined"){
			ONEMAP.C.publisher.publish({type:'error',message:'暂无图例'},'noteBar::add');
		} else{
			updateView();
		}
		
	}
 
	function setLayout(){
		$(tpclayout).appendTo($("#wrapper"));
	};
	function updateView(){
		$("#tmaticLegendViewer").show();
		$('#tmaticLegendViewer .modal-body').css({height:$(window).height()/3*2});   
		if (modValue.iviewer) {
		    modValue.iviewer.iviewer('loadImage', modValue.pictureUrl);
		    return false;
		} else {
		    modValue.iviewer = $("#tmaticLegendViewerBox").iviewer({
		        zoom_max: 200,
		        zoom_min: 5,
		        zoom: 100,
		        src: modValue.pictureUrl,
		        update_on_resize: true,
		    });
		}
	}
	function bindEvents(){
		$("#tmaticLegendViewer .close").bind('click', function() {
		    $("#tmaticLegendViewer").hide();
		})
		var $box2 = $('#tmaticLegendViewer').on('mousedown', '#coorForGcmsPictureViewer', function(e) {
		    var posix = {
		        'w': $box2.width(),
		        'h': $box2.height(),
		        'x': e.pageX,
		        'y': e.pageY
		    };

		    $.extend(document, {
		        'move': true,
		        'call_down': function(e) {
		            $box2.css({
		                'width': Math.max(30, e.pageX - posix.x + posix.w),
		                'height': Math.max(30, e.pageY - posix.y + posix.h)
		            });
		            var bodyHeight = Math.max(30, e.pageY - posix.y + posix.h) - 75;
		            $("#tmaticLegendViewer .modal-body").css({ height: bodyHeight });
		            $("#tmaticLegendViewerBox").iviewer('update');
		        }
		    });
		    return false;
		});

		//拖拽
		$("#tmaticLegendViewer .popup-ct").dragmove($('#tmaticLegendViewer'));
	};
	function legendRemove(options){
		if(options.type == modValue.pictureUrl || options.type == 'allRemove'){
			$("#tmaticLegendViewer").remove();
			modValue.iviewer = null;
		}
	}
	function subscribe(){
		ONEMAP.C.publisher.subscribe(legendRemove,'legend:remove');
	}
	return  ONEMAP.M.legend = {
        init:init
    }
})