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`iD.behavior.drag` is like `d3.behavior.drag`, with the following differences:
* The `origin` function is expected to return an [x, y] tuple rather than an
{x, y} object.
* The events are `start`, `move`, and `end`.
(https://github.com/mbostock/d3/issues/563)
* The `start` event is not dispatched until the first cursor movement occurs.
(https://github.com/mbostock/d3/pull/368)
* The `move` event has a `loc` and `dxdy` [x, y] tuple properties rather
than `x`, `y`, `dx`, and `dy` properties.
* The `end` event is not dispatched if no movement occurs.
* An `off` function is available that unbinds the drag's internal event handlers.
* Delegation is supported via the `delegate` function.
2 lines
18 B
JavaScript
2 lines
18 B
JavaScript
iD.behavior = {};
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