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Avoid duplicate hover events

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This commit is contained in:
John Firebaugh
2013-06-04 18:33:23 -07:00
parent 840c08f672
commit 82a4f9c366
1 changed files with 18 additions and 9 deletions
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js/id/behavior/hover.js
+18 -9
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@@ -34,8 +34,15 @@ iD.behavior.Hover = function(context) {
var hover = function(__) {
selection = __;
function mouseover() {
target = d3.event.target.__data__;
function enter(d) {
if (d === target) return;
target = d;
selection.selectAll('.hover')
.classed('hover', false);
selection.selectAll('.hover-suppressed')
.classed('hover-suppressed', false);
if (target && target.type) {
var selector = '.' + target.id;
@@ -52,17 +59,19 @@ iD.behavior.Hover = function(context) {
.classed(suppressed ? 'hover-suppressed' : 'hover', true);
dispatch.hover(target.id);
} else {
dispatch.hover(null);
}
}
function mouseout() {
dispatch.hover(null);
target = null;
function mouseover() {
var target = d3.event.target;
enter(target ? target.__data__ : null);
}
selection.selectAll('.hover')
.classed('hover', false);
selection.selectAll('.hover-suppressed')
.classed('hover-suppressed', false);
function mouseout() {
var target = d3.event.relatedTarget;
enter(target ? target.__data__ : null);
}
selection