在地图上释放形状后立即停止绘图模式 [英] Stopping drawing mode as soon as releasing a shape on the map
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问题描述
我正在研究此演示.完成第一个对象的绘制后,如何强制Google Map退出绘制模式?
I am working on this demo. How I can force the Google Map to quit the drawing mode when the drawing of first object is done?
正如您在演示中看到的那样,绘图模式将按所选的每种类型保持打开状态,直到用户单击停止绘图"控件,但我需要将其更新为自动检测的格式.
As you can see in the demo the drawing mode stay on by each of selected type until user clicks on "Stop Drawing" control but I need to update this to auto detected format.
这是我的代码:
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
var drawingStyle = {
strokeWeight: 0,
fillOpacity: 0.45,
editable: true,
draggable: true
};
var drawingManager = new google.maps.drawing.DrawingManager({
drawingControl: true,
drawingControlOptions: {
position: google.maps.ControlPosition.TOP_CENTER,
drawingModes: [
google.maps.drawing.OverlayType.CIRCLE,
google.maps.drawing.OverlayType.POLYGON,
google.maps.drawing.OverlayType.RECTANGLE]
},
rectangleOptions: drawingStyle,
polygonOptions: drawingStyle,
circleOptions: drawingStyle
});
drawingManager.setMap(map);
推荐答案
文档指出这些事件存在于DrawingManager上:
The documentation states that these events exist on the DrawingManager:
- circlecomplete |圈|用户完成画圆后会触发此事件.
- markercomplete |标记|当用户完成绘制标记后,就会触发此事件.
- overlaycomplete | OverlayCompleteEvent |当用户完成绘制任何类型的叠加层时,都会触发此事件.
- polygoncomplete |多边形|用户完成绘制多边形后会触发此事件.
- polylinecomplete |折线|当用户完成绘制折线时会触发此事件.
- rectanglecomplete |矩形|用户完成绘制矩形后会触发此事件.
如果您想在它们发生时做一些事情,请为它们添加一个侦听器:
If you want to do something when they occur, add a listener for them:
google.maps.event.addListener(drawingManager,'overlaycomplete',function() {
drawingManager.setOptions({drawingMode: null, drawingControl: false});
});
代码段:
function initialize() {
map = new google.maps.Map(document.getElementById("map_canvas"), {
center: {
lat: 45,
lng: -85
},
zoom: 5
});
var drawingStyle = {
strokeWeight: 0,
fillOpacity: 0.45,
editable: true,
draggable: true
};
var drawingManager = new google.maps.drawing.DrawingManager({
drawingControl: true,
drawingControlOptions: {
position: google.maps.ControlPosition.TOP_CENTER,
drawingModes: [
google.maps.drawing.OverlayType.CIRCLE,
google.maps.drawing.OverlayType.POLYGON,
google.maps.drawing.OverlayType.RECTANGLE
]
},
rectangleOptions: drawingStyle,
polygonOptions: drawingStyle,
circleOptions: drawingStyle
});
drawingManager.setMap(map);
google.maps.event.addListener(drawingManager, 'overlaycomplete', function() {
drawingManager.setOptions({
drawingMode: null,
drawingControl: false
});
});
}
google.maps.event.addDomListener(window, 'load', initialize);
html,
body,
#map_canvas {
height: 100%;
width: 100%;
}
<script src="http://maps.google.com/maps/api/js?libraries=places,drawing"></script>
<div id="map_canvas" style="margin: 0.6em;"></div>
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