以编程方式将SWT按钮设置为按下状态？(Setting the SWT Button to pressed state programmatically?)

 我需要和你一样的东西，并遇到你没有答案的问题。 这是我写的代码（从jVectorMap源复制，粘贴和修改斜线）为我自己解决问题。 我希望你和其他人发现它有帮助。 
 
 只需将scale，longitude和latitude传递给setFocusLatLng即可。 
 
 我可能试图将这个或类似的东西接受到GitHub上的jVectorMap项目中，所以稍后可能会有更好的方法。 
 
 免责声明：地图边缘的点不会居中。 不过，他们应该是这样认为的。 
 
 编辑：根据要求，这是jsfiddle上的整个事情： http : //jsfiddle.net/BryanTheScott/rs7H5/ 
 
 编辑：还添加了下面的JS的其余部分： 
 
$(function(){
    var smallMap = $('#my_map_container').vectorMap({
        map: 'world_mill_en',
        zoomOnScroll: true,
        zoomMax:5,
        zoomMin:5,
        regionStyle: {
            initial: {
                fill: '#222222',
                "fill-opacity": 1,
                stroke: '#444444',
                "stroke-width": 1,
                "stroke-opacity": 0.7
            },
            hover: {
                "fill-opacity": 0.8,
                fill: '#333333'
            }
        },
        markerStyle: {
            initial: {
                fill: "#000000",
                "stroke": "#7FC556",
                "stroke-width": 2,
                r: 3
            }
        },
        markers: [[37.770172,-122.422771]]
    });

    var mapObj = $('#my_map_container').vectorMap('get', 'mapObject');

    mapObj.setFocusLatLng = function(scale, lat, lng){
        var point,
            proj = jvm.WorldMap.maps[this.params.map].projection,
            centralMeridian = proj.centralMeridian,
            width = this.width - this.baseTransX * 2 * this.baseScale,
            height = this.height - this.baseTransY * 2 * this.baseScale,
            inset,
            bbox,
            scaleFactor = this.scale / this.baseScale,
            centerX,
            centerY;

        if (lng < (-180 + centralMeridian)) {
            lng += 360;
        }

        point = jvm.Proj[proj.type](lat, lng, centralMeridian);

        inset = this.getInsetForPoint(point.x, point.y);
        if (inset) {
            bbox = inset.bbox;

            centerX = (point.x - bbox[0].x) / (bbox[1].x - bbox[0].x);
            centerY = (point.y - bbox[0].y) / (bbox[1].y - bbox[0].y);

            this.setFocus(scale, centerX, centerY);
        }
    }

    mapObj.setFocusLatLng(5, 37.770172,-122.422771);
});

I needed the same thing as you and came across your unanswered question. This is the code I wrote (slash copied, pasted & modified from jVectorMap source) to solve the problem for myself. I hope you and others find it helpful.
 
Simply pass the scale, longitude, and latitude to setFocusLatLng.
 
I may attempt to get this or something similar accepted into the jVectorMap project on GitHub, so there may be a better way to do this later.
 
Disclaimer: Points on the edge of the map will not be centered. They should be in the view, though.
 
EDIT: As requested, here is the whole thing on jsfiddle: http://jsfiddle.net/BryanTheScott/rs7H5/
 
EDIT: Also added the rest of the JS below:
 
$(function(){
    var smallMap = $('#my_map_container').vectorMap({
        map: 'world_mill_en',
        zoomOnScroll: true,
        zoomMax:5,
        zoomMin:5,
        regionStyle: {
            initial: {
                fill: '#222222',
                "fill-opacity": 1,
                stroke: '#444444',
                "stroke-width": 1,
                "stroke-opacity": 0.7
            },
            hover: {
                "fill-opacity": 0.8,
                fill: '#333333'
            }
        },
        markerStyle: {
            initial: {
                fill: "#000000",
                "stroke": "#7FC556",
                "stroke-width": 2,
                r: 3
            }
        },
        markers: [[37.770172,-122.422771]]
    });

    var mapObj = $('#my_map_container').vectorMap('get', 'mapObject');

    mapObj.setFocusLatLng = function(scale, lat, lng){
        var point,
            proj = jvm.WorldMap.maps[this.params.map].projection,
            centralMeridian = proj.centralMeridian,
            width = this.width - this.baseTransX * 2 * this.baseScale,
            height = this.height - this.baseTransY * 2 * this.baseScale,
            inset,
            bbox,
            scaleFactor = this.scale / this.baseScale,
            centerX,
            centerY;

        if (lng < (-180 + centralMeridian)) {
            lng += 360;
        }

        point = jvm.Proj[proj.type](lat, lng, centralMeridian);

        inset = this.getInsetForPoint(point.x, point.y);
        if (inset) {
            bbox = inset.bbox;

            centerX = (point.x - bbox[0].x) / (bbox[1].x - bbox[0].x);
            centerY = (point.y - bbox[0].y) / (bbox[1].y - bbox[0].y);

            this.setFocus(scale, centerX, centerY);
        }
    }

    mapObj.setFocusLatLng(5, 37.770172,-122.422771);
});