Sha256: b9524389dedf17a13df4e6edb804b9eef508458e535ddfc85ad19c5d1bbaf793
Contents?: true
Size: 1.73 KB
Versions: 8
Compression:
Stored size: 1.73 KB
Contents
(function() {
d3.force_labels = function force_labels() {
var labels = d3.layout.force();
// Update the position of the anchor based on the center of bounding box
function updateAnchor() {
if (!labels.selection) return;
labels.selection.each(function(d) {
var bbox = this.getBBox(),
x = bbox.x + bbox.width / 2,
y = bbox.y + bbox.height / 2;
d.anchorPos.x = x;
d.anchorPos.y = y;
// If a label position does not exist, set it to be the anchor position
if (d.labelPos.x == null) {
d.labelPos.x = x;
d.labelPos.y = y;
}
});
}
//The anchor position should be updated on each tick
labels.on("tick.labels", updateAnchor);
// This updates all nodes/links - retaining any previous labelPos on updated nodes
labels.update = function(selection) {
labels.selection = selection;
var nodes = [], links = [];
selection[0].forEach(function(d) {
if(d && d.__data__) {
var data = d.__data__;
if (!d.labelPos) d.labelPos = {fixed: false};
if (!d.anchorPos) d.anchorPos = {fixed: true};
// Place position objects in __data__ to make them available through
// d.labelPos/d.anchorPos for different elements
data.labelPos = d.labelPos;
data.anchorPos = d.anchorPos;
links.push({target: d.anchorPos, source: d.labelPos});
nodes.push(d.anchorPos);
nodes.push(d.labelPos);
}
});
labels
.stop()
.nodes(nodes)
.links(links);
updateAnchor();
labels.start();
};
return labels;
};
})();
Version data entries
8 entries across 8 versions & 1 rubygems