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Contents
import "dispatch";
d3.event = null;
function d3_eventPreventDefault() {
d3.event.preventDefault();
}
function d3_eventSource() {
var e = d3.event, s;
while (s = e.sourceEvent) e = s;
return e;
}
// Like d3.dispatch, but for custom events abstracting native UI events. These
// events have a target component (such as a brush), a target element (such as
// the svg:g element containing the brush) and the standard arguments `d` (the
// target element's data) and `i` (the selection index of the target element).
function d3_eventDispatch(target) {
var dispatch = new d3_dispatch,
i = 0,
n = arguments.length;
while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
// Creates a dispatch context for the specified `thiz` (typically, the target
// DOM element that received the source event) and `argumentz` (typically, the
// data `d` and index `i` of the target element). The returned function can be
// used to dispatch an event to any registered listeners; the function takes a
// single argument as input, being the event to dispatch. The event must have
// a "type" attribute which corresponds to a type registered in the
// constructor. This context will automatically populate the "sourceEvent" and
// "target" attributes of the event, as well as setting the `d3.event` global
// for the duration of the notification.
dispatch.of = function(thiz, argumentz) {
return function(e1) {
try {
var e0 =
e1.sourceEvent = d3.event;
e1.target = target;
d3.event = e1;
dispatch[e1.type].apply(thiz, argumentz);
} finally {
d3.event = e0;
}
};
};
return dispatch;
}
Version data entries
5 entries across 5 versions & 3 rubygems