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');
//創(chuàng)建和初始化地圖函數(shù)：
function initMap() {
// [FF]切換模式后報(bào)錯(cuò)
if (!window.BMap) {
return;
}
var dituContent = document.getElementById('dituContent');
dituContent.style.width = widthParam + 'px';
dituContent.style.height = heightParam + 'px';
createMap();//創(chuàng)建地圖
setMapEvent();//設(shè)置地圖事件
addMapControl();//向地圖添加控件
// 創(chuàng)建標(biāo)注
var markersArr = markersParam.split(',');
var point = new BMap.Point(markersArr[0], markersArr[1]);
marker = new BMap.Marker(point);
marker.enableDragging();
map.addOverlay(marker); // 將標(biāo)注添加到地圖中
if(parent.editor && parent.document.body.contentEditable=="true") { //在編輯狀態(tài)下
setMapListener();//地圖改變修改外層的iframe標(biāo)簽src屬性
}
}
//創(chuàng)建地圖函數(shù)：
function createMap() {
map = new BMap.Map("dituContent");//在百度地圖容器中創(chuàng)建一個(gè)地圖
var centerArr = centerParam.split(',');
var point = new BMap.Point(parseFloat(centerArr[0]), parseFloat(centerArr[1]));//定義一個(gè)中心點(diǎn)坐標(biāo)
map.centerAndZoom(point, parseInt(zoomParam));//設(shè)定地圖的中心點(diǎn)和坐標(biāo)并將地圖顯示在地圖容器中
}
//地圖事件設(shè)置函數(shù)：
function setMapEvent() {
map.enableDragging();//啟用地圖拖拽事件，默認(rèn)啟用(可不寫)
map.enableScrollWheelZoom();//啟用地圖滾輪放大縮小
map.enableDoubleClickZoom();//啟用鼠標(biāo)雙擊放大，默認(rèn)啟用(可不寫)
map.enableKeyboard();//啟用鍵盤上下左右鍵移動(dòng)地圖
}
//地圖控件添加函數(shù)：
function addMapControl() {
//向地圖中添加縮放控件
var ctrl_nav = new BMap.NavigationControl({anchor: BMAP_ANCHOR_TOP_LEFT, type: BMAP_NAVIGATION_CONTROL_LARGE});
map.addControl(ctrl_nav);
//向地圖中添加縮略圖控件
var ctrl_ove = new BMap.OverviewMapControl({anchor: BMAP_ANCHOR_BOTTOM_RIGHT, isOpen: 1});
map.addControl(ctrl_ove);
//向地圖中添加比例尺控件
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');
}
}