问题描述

我在我的项目中使用绘图插件，我想知道如何按图层类型隐藏/显示绘图工具?

I'm using draw plugin in my project and I would like to know how can I hide/show drawing tools by layer type?

例如，假设我有 2 层，其中一层是多边形，另一层是线.

For example, let's say I have 2 layers one of them type is Polygon and the other one is Line.

如果用户选择多边形图层，我想隐藏画线工具.

之后，如果用户选择Line layer，我想隐藏多边形绘图工具.我看过 here 但这个例子使工具静态化，我想动态地改变.我该怎么做?

After that, If user select Line layer, I want to hide Polygon drawing tool. I've looked here but this example is making tools static, I want to change dynamically. How can I do that?

我们将不胜感激.

推荐答案

我自己解决了.我在地图初始化时添加了这个绘制控件.

I solved it myself. I'm adding this draw control when map initialized.

 drawControl = new L.Control.Draw({
    draw : {
        position : 'topleft',
        polygon : false,
        polyline : false,
        rectangle : false,
        circle : false

    },
    edit : false
});

map.addControl(drawControl); 

之后，我写了一个重置绘图工具的函数.

After that, i wrote a function for resetting drawing tools.

  function setDrawingTools(layerType) {

    map.removeControl(drawControl);

    if (layerType == 'Polygon') {

        drawControl = new L.Control.Draw({
            draw : {
                position : 'topleft',
                polygon : {
                    title : 'Draw a sexy polygon!',
                    allowIntersection : false,
                    drawError : {
                        color : '#b00b00',
                        timeout : 1000
                    },
                    shapeOptions : {
                        color : '#bada55'
                    },
                    showArea : true
                },
                polyline : false,
                rectangle : false,
                circle : false,
                marker : false
            },
            edit : false
        });
    } else if (layerType == 'Line') {

        drawControl = new L.Control.Draw({
            draw : {
                position : 'topleft',
                polygon : false,
                polyline : {
                    metric : false
                },
                rectangle : false,
                circle : false,
                marker : false
            },
            edit : false
        });
    } else if (layerType == 'Point') {

        drawControl = new L.Control.Draw({
            draw : {
                position : 'topleft',
                polygon : false,
                polyline : false,
                rectangle : false,
                circle : false

            },
            edit : false
        });

    }
    map.addControl(drawControl);
}

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