function getParam(name) {
return location.href.match(new RegExp('[?#&]' + name + '=([^?#&]+)', 'i')) ? RegExp.$1 : '';
}
var map, marker;
var centerParam = getParam('center');
var zoomParam = getParam('zoom');
var widthParam = getParam('width');
var heightParam = getParam('height');
var markersParam = getParam('markers');
var markerStylesParam = getParam('markerStyles');
//创建和初始化地图函数：
function initMap() {
// [FF]切换模式后报错
if (!window.BMap) {
return;
}
var dituContent = document.getElementById('dituContent');
dituContent.style.width = widthParam + 'px';
dituContent.style.height = heightParam + 'px';
createMap();//创建地图
setMapEvent();//设置地图事件
addMapControl();//向地图添加控件
// 创建标注
var markersArr = markersParam.split(',');
var point = new BMap.Point(markersArr[0], markersArr[1]);
marker = new BMap.Marker(point);
marker.enableDragging();
map.addOverlay(marker); // 将标注添加到地图中
if(parent.editor && parent.document.body.contentEditable=="true") { //在编辑状态下
setMapListener();//地图改变修改外层的iframe标签src属性
}
}
//创建地图函数：
function createMap() {
map = new BMap.Map("dituContent");//在百度地图容器中创建一个地图
var centerArr = centerParam.split(',');
var point = new BMap.Point(parseFloat(centerArr[0]), parseFloat(centerArr[1]));//定义一个中心点坐标
map.centerAndZoom(point, parseInt(zoomParam));//设定地图的中心点和坐标并将地图显示在地图容器中
}
//地图事件设置函数：
function setMapEvent() {
map.enableDragging();//启用地图拖拽事件，默认启用(可不写)
map.enableScrollWheelZoom();//启用地图滚轮放大缩小
map.enableDoubleClickZoom();//启用鼠标双击放大，默认启用(可不写)
map.enableKeyboard();//启用键盘上下左右键移动地图
}
//地图控件添加函数：
function addMapControl() {
//向地图中添加缩放控件
var ctrl_nav = new BMap.NavigationControl({anchor: BMAP_ANCHOR_TOP_LEFT, type: BMAP_NAVIGATION_CONTROL_LARGE});
map.addControl(ctrl_nav);
//向地图中添加缩略图控件
var ctrl_ove = new BMap.OverviewMapControl({anchor: BMAP_ANCHOR_BOTTOM_RIGHT, isOpen: 1});
map.addControl(ctrl_ove);
//向地图中添加比例尺控件
var ctrl_sca = new BMap.ScaleControl({anchor: BMAP_ANCHOR_BOTTOM_LEFT});
map.addControl(ctrl_sca);
}
function setMapListener() {
var editor = parent.editor, containerIframe,
iframes = parent.document.getElementsByTagName('iframe');
for (var key in iframes) {
if (iframes[key].contentWindow == window) {
containerIframe = iframes[key];
break;
}
}
if (containerIframe) {
map.addEventListener('moveend', mapListenerHandler);
map.addEventListener('zoomend', mapListenerHandler);
marker.addEventListener('dragend', mapListenerHandler);
}
function mapListenerHandler() {
var zoom = map.getZoom(),
center = map.getCenter(),
marker = window.marker.getPoint();
containerIframe.src = containerIframe.src.
replace(new RegExp('([?#&])center=([^?#&]+)', 'i'), '$1center=' + center.lng + ',' + center.lat).
replace(new RegExp('([?#&])markers=([^?#&]+)', 'i'), '$1markers=' + marker.lng + ',' + marker.lat).
replace(new RegExp('([?#&])zoom=([^?#&]+)', 'i'), '$1zoom=' + zoom);
editor.fireEvent('saveScene');
}
}