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Fix tooltip animation when target changes while animating #5005

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merged 7 commits into from Dec 12, 2017
Merged

Fix tooltip animation when target changes while animating #5005

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33a51ed
Fix issue #4989
jcopperfield Nov 29, 2017
ce679dc
Change: different approach for smooth tooltip animation in 'index'
jcopperfield Nov 30, 2017
982f0b4
Fix: jslint error
jcopperfield Nov 30, 2017
482e59f
Fix: remove spyOn pivot from test
jcopperfield Nov 30, 2017
38574c3
Add: setAnimating-flag in transition used to set on tooltip.transition
jcopperfield Dec 3, 2017
f7d4d54
Decrease code complexity
jcopperfield Dec 3, 2017
badc4d9
Revert transition and complexity changes
jcopperfield Dec 3, 2017
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10 changes: 9 additions & 1 deletion src/core/core.controller.js
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Expand Up @@ -821,7 +821,15 @@ module.exports = function(Chart) {
me._bufferedRequest = null;

var changed = me.handleEvent(e);
changed |= tooltip && tooltip.handleEvent(e);
// for smooth tooltip animations issue #4989
// the tooltip should be the source of change
// Animation check workaround:
// tooltip._start will be null when tooltip isn't animating
if (tooltip) {
changed = tooltip._start
? tooltip.handleEvent(e)
: changed | tooltip.handleEvent(e);
}

plugins.notify(me, 'afterEvent', [e]);

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32 changes: 13 additions & 19 deletions src/core/core.tooltip.js
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Expand Up @@ -852,25 +852,19 @@ module.exports = function(Chart) {
// Remember Last Actives
changed = !helpers.arrayEquals(me._active, me._lastActive);

// If tooltip didn't change, do not handle the target event
if (!changed) {
return false;
}

me._lastActive = me._active;

if (options.enabled || options.custom) {
me._eventPosition = {
x: e.x,
y: e.y
};

var model = me._model;
me.update(true);
me.pivot();

// See if our tooltip position changed
changed |= (model.x !== me._model.x) || (model.y !== me._model.y);
// Only handle target event on tooltip change
if (changed) {
me._lastActive = me._active;

if (options.enabled || options.custom) {
me._eventPosition = {
x: e.x,
y: e.y
};

me.update(true);
me.pivot();
}
}

return changed;
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