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850天前/** |
* 地图控件单击事件 |
* @param e 屏幕单击事件 |
* @return boolean |
*/ |
public boolean onSingleTap(MotionEvent e) { |
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// 如果正处于编辑状态且不处于查询状态 |
if(!isQuery&&isEdit){ |
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// 设置浮动按钮可见 |
save.setVisibility(Button.VISIBLE); |
cancel.setVisibility(Button.VISIBLE); |
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// 如果当前正在编辑的类型为点 |
if (geometryType.length() > 1 && geometryType.equalsIgnoreCase("POINT") && isEdit) { |
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// 绘制点时首先清除图层要素 |
Log.d(TAG,"---->lastPointID:"+lastGraphicID); |
Log.d(TAG,"---->lastType:"+lastType); |
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if(lastGraphicID!=-1&&lastType.equalsIgnoreCase(geometryTypes[0])){ |
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gLayer.updateGraphic(lastGraphicID, map.toMapPoint(new Point(e.getX(), e.getY()))); |
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Log.d(TAG,"---->Update Point----<"); |
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}else{ |
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Graphic graphic = new Graphic(map.toMapPoint(new Point(e.getX(), e.getY())),new SimpleMarkerSymbol(Color.RED,10,STYLE.CIRCLE),graphicAttributes,null); |
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Log.d(TAG,"---->Add Point----<"); |
// 将新建点要素添加到图层上 |
lastGraphicID = gLayer.addGraphic(graphic); |
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map.addLayer(gLayer); |
} |
Log.d(TAG,"---->NowPointID:"+lastGraphicID); |
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lastType = geometryTypes[0]; |
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}else if(geometryType.length() > 1&& (geometryType.equalsIgnoreCase("POLYLINE"))&& isEdit) { |
// 如果当前正在编辑的类型为线 |
Log.d(TAG,"---->L lastType:"+lastType); |
// 得到移动后的点 |
Point movePoint = new Point(map.toMapPoint(e.getX(), e.getY()).getX(),map.toMapPoint(e.getX(), e.getY()).getY()); |
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// 判断startPoint是否为空,如果为空，给startPoint赋值 |
if (startPoint == null) { |
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polyline = new Polyline(); |
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startPoint = new Point(movePoint.getX(),movePoint.getY()); |
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//将第一个点存入poly中 |
polyline.startPath(startPoint); |
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}else{ |
// 如果要素存在两点以上（即存在线段） |
if(lastGraphicID!=-1&&lastType.equalsIgnoreCase(geometryTypes[1])&&polyline.getPointCount()>1){ |
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// 将移动的点放入poly中 |
polyline.lineTo(movePoint); |
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gLayer.updateGraphic(lastGraphicID,polyline); |
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map.addLayer(gLayer); |
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}else{ |
// 将移动的点放入poly中 |
polyline.lineTo(movePoint); |
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Graphic linegraphic = new Graphic(polyline,new SimpleLineSymbol(Color.RED, 3),graphicAttributes,null); |
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lastGraphicID = gLayer.addGraphic(linegraphic); |
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map.addLayer(gLayer); |
} |
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} |
lastType = geometryTypes[1]; |
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}else if(geometryType.length() > 1&& (geometryType.equalsIgnoreCase("POLYGON"))&& isEdit) { |
// 如果当前正在编辑的类型为面 |
Log.d(TAG,"---->G lastType:"+lastType); |
// 得到移动后的点 |
Point movePoint = map.toMapPoint(e.getX(), e.getY()); |
|
// 判断startPoint是否为空,如果为空，给startPoint赋值 |
if (startPoint == null) { |
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startPoint = new Point(movePoint.getX(),movePoint.getY()); |
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// 将第一个点存入polygon中 |
polygon.startPath(startPoint); |
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Log.d(TAG, "First Point Polygon!"); |
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}else{ |
// 将后续点加入polygon中 |
polygon.lineTo(movePoint); |
// 如果上一要素类型为polygon |
if(lastGraphicID!=-1&&lastType.equalsIgnoreCase(geometryTypes[2])&&polygon.getPointCount()>3){ |
// 将起点加入要素中，闭合图形 |
polygon.lineTo(startPoint); |
// 更新图形信息 |
gLayer.updateGraphic(lastGraphicID, polygon); |
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map.addLayer(gLayer); |
// 移除闭合点 |
polygon.removePoint(0, -1); |
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Log.d(TAG,"Polygon Point >3:"); |
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}else if(lastType.equalsIgnoreCase(geometryTypes[2])&&polygon.getPointCount()==3){ |
// 将起点加入要素中，闭合图形 |
polygon.lineTo(startPoint); |
// 新建闭合 |
Graphic areagraphic = new Graphic(polygon,new SimpleFillSymbol(Color.GRAY),graphicAttributes,null); |
// 保存当前图形ID |
lastGraphicID = gLayer.addGraphic(areagraphic); |
// 移除闭合点 |
polygon.removePoint(0, -1); |
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map.addLayer(gLayer); |
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Log.d(TAG,"Polygon Point 3:"); |
} |
Log.d(TAG,"Polygon Point Count:"+polygon.getPointCount()); |
Log.d(TAG,"Polygon LastGraohic ID:"+lastGraphicID); |
} |
lastType = geometryTypes[2]; |
} |
hasFinish = false; |
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return true; |
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} |
by: 发表于：2018-01-02 10:00:41 顶(0) | 踩(0) 回复
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