f57c70f9dd2bb39184d8aefe93fef8f764f83103.svn-base
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var isDGTXHZCheck = false;
var vecLayerDGTXHZ = null; //矢量要素图层
var drawControlsDGTXHZ = null; //矢量图形绘制控件数组
function DrawDG() {
if (!isDGTXHZCheck) {
if ($("#DGTXHZdialog").attr("id") == undefined)
BuildDGAlert();
else {
$.parser.parse($("#DGTXHZdialog")); //局部重新渲染
$("#DGTXHZdialog").dialog("open");
}
initDGCtrl();
isDGTXHZCheck = true;
}
else {
$("#DGTXHZdialog").dialog("close");
}
}
function BuildDGAlert() {
var sb = '<div id="DGTXHZdialog" class="easyui-dialog" title="绘制图形选择" style="left:850px;top:200px;width:250px; height: 130px;padding: 5px;" resizable="false">'
+ '<table style= "border:1px dashed gray;" ><tr >'
+ '<td style="border: 1px gray dashed;" ><img src="$$tools$$/' + toolIdDG + '/img/pnt.png"' + ' width="32" height="32" title="绘制点" style="cursor: pointer;" onclick=\'drawControlDrawGeo("0","point")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/a2.png"' + ' width="32" height="32" title="绘制圆" style="cursor: pointer;" onclick=\'drawControlDrawGeo("1","RegularPolygon")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/l4.png"' + ' width="32" height="32" title="绘制线" style="cursor: pointer;" onclick=\'drawControlDrawGeo("2","line")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/a1.png"' + ' width="32" height="32" title="绘制矩形" style="cursor: pointer;" onclick=\'drawControlDrawGeo("4","RegularPolygon")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/san.png"' + ' width="32" height="32" title="绘制三角形" style="cursor: pointer;" onclick=\'drawControlDrawGeo("3","RegularPolygon")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '</tr>'
+ '<tr style="border:gray 1px dashed;">'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/wu.png"' + ' width="32" height="32" title="绘制五边形" style="cursor: pointer;" onclick=\'drawControlDrawGeo("5","RegularPolygon")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/liu.png"' + ' width="32" height="32" title="绘制六边形" style="cursor: pointer;" onclick=\'drawControlDrawGeo("6","RegularPolygon")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/a3.png"' + ' width="32" height="32" title="绘制多边形" style="cursor: pointer;" onclick=\'drawControlDrawGeo("7","polygon")\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';"/></td>'
+ '<td style="border: 1px gray dashed;"><img src="$$tools$$/' + toolIdDG + '/img/ra.png"' + ' width="39" height="32" title="清除图形" style="cursor: pointer;" onclick=\'ClearGraphics()\' onmouseover="this.style.backgroundColor=\'#999A99\';" onmouseout="this.style.backgroundColor=\'\';" /></td>'
+ '</tr>'
+ '</table>'+
' </div>';
$("#main").append(sb);
$("#DGTXHZdialog").dialog({ closed: false, onClose: function () { closeDG(); } });
}
//清楚标绘
function ClearGraphics() {
if (vecLayerDGTXHZ != undefined && vecLayerDGTXHZ != null)
vecLayerDGTXHZ.removeAllFeatures();
DeactiveDraw();
}
function initDGCtrl() {
if (vecLayerDGTXHZ == null) {
vecLayerDGTXHZ = new OpenLayers.Layer.Vector("VecLayerLayer", { style: { strokeWidth: 2, fillOpacity: 0.6, fillColor: "red", strokeOpacity:0.7, strokeColor: "yellow", strokeDashstyle: "dotted", pointRadius: 5} });
map.addLayer(vecLayerDGTXHZ);
drawControlsDGTXHZ = {
point: new OpenLayers.Control.DrawFeature(vecLayerDGTXHZ, OpenLayers.Handler.Point, { featureAdded: pointCallbackDrawGeo }),
line: new OpenLayers.Control.DrawFeature(vecLayerDGTXHZ, OpenLayers.Handler.Path),
polygon: new OpenLayers.Control.DrawFeature(vecLayerDGTXHZ, OpenLayers.Handler.Polygon),
RegularPolygon: new OpenLayers.Control.DrawFeature(vecLayerDGTXHZ, OpenLayers.Handler.RegularPolygon)
};
for (var key in drawControlsDGTXHZ) {
map.addControl(drawControlsDGTXHZ[key]);
}
}
}
//绘制点结束的回调函数，其他几种绘制方式的回调可以参照此种写法
function pointCallbackDrawGeo(e) {
var pntStr = e.geometry.toString();
}
//根据当前选择的绘制选项，切换绘制矢量图形的控件
function drawControlDrawGeo(typeIndex, featureType) {
DeactiveDraw();
for (key in drawControlsDGTXHZ) {
var control = drawControlsDGTXHZ[key];
if (featureType == key) {
control.activate(); //激活图形绘制控件
switch (typeIndex) {
case "1":
control.handler.setOptions({ sides: 240 }); //绘制类型：圆形
break;
case "3":
control.handler.setOptions({ sides: 3 }); //绘制类型：三角形
break;
case "4":
control.handler.setOptions({ sides: 4 }); //绘制类型：矩形
break;
case "5":
control.handler.setOptions({ sides: 5 }); //绘制类型：五边形
break;
case "6":
control.handler.setOptions({ sides: 6 }); //绘制类型：六边形
break;
}
} else {
control.deactivate(); //关闭图形绘制控件激活状态
}
}
}
//取消矢量图形绘制控件的激活状态
function DeactiveDraw() {
for (key in drawControlsDGTXHZ) {
var control = drawControlsDGTXHZ[key];
control.deactivate(); //关闭图形绘制控件激活状态
}
}
//关闭窗口所执行的方法
function closeDG() {
map.removeLayer(vecLayerDGTXHZ);
isDGTXHZCheck = false;
vecLayerDGTXHZ = null;
for (var key in drawControlsDGTXHZ) {
drawControlsDGTXHZ[key].deactivate();
map.removeControl(drawControlsDGTXHZ[key]);
}
drawControlsDGTXHZ = null;
}