How to use the d3-drag.dragEnable function in d3-drag
To help you get started, we’ve selected a few d3-drag examples, based on popular ways it is used in public projects.
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higlass / higlass / app / scripts / d3v4-brush-no-modifier-keys.js View on Github 
function ended() {
nopropagation();
if (event.touches) {
if (event.touches.length) return;
if (touchending) clearTimeout(touchending);
touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
group.on("touchmove.brush touchend.brush touchcancel.brush", null);
} else {
dragEnable(event.view, moving);
view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null);
}
group.attr("pointer-events", "all");
overlay.attr("cursor", cursors.overlay);
if (state.selection) selection = state.selection; // May be set by brush.move (on start)!
if (empty(selection)) state.selection = null, redraw.call(that);
emit.end();
}function ended() {
nopropagation();
if (event.touches) {
if (event.touches.length) return;
if (touchending) clearTimeout(touchending);
touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
group.on("touchmove.brush touchend.brush touchcancel.brush", null);
} else {
dragEnable(event.view, moving);
view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null);
}
group.attr("pointer-events", "all");
overlay.attr("cursor", cursors.overlay);
if (state.selection) selection = state.selection; // May be set by brush.move (on start)!
if (empty(selection)) state.selection = null, redraw.call(that);
emit.end();
}function mouseupped() {
v.on("mousemove.zoom mouseup.zoom", null);
dragEnable(event.view, g.moved);
noevent();
g.end();
}
}function mouseupped() {
v.on("mousemove.zoom mouseup.zoom", null);
dragEnable(event.view, g.moved);
noevent();
g.end();
}
}d3-drag
Drag and drop SVG, HTML or Canvas using mouse or touch input.
