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enhance: enhance the behavior that when mouse move is out of echarts are. #11516

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merged 1 commit into from Oct 31, 2019
Merged

enhance: enhance the behavior that when mouse move is out of echarts are. #11516

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59 changes: 44 additions & 15 deletions src/component/helper/BrushController.js
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Expand Up @@ -136,6 +136,12 @@ function BrushController(zr) {
*/
this._dragging;

/**
* @private
* @type {Object}
*/
this._lastMouseMovePoint = {};

/**
* @private
* @type {Array}
Expand Down Expand Up @@ -820,7 +826,7 @@ var mouseHandlers = {
if (this._dragging) {
// In case some browser do not support globalOut,
// and release mose out side the browser.
handleDragEnd.call(this, e);
handleDragEnd(this, e);
}
else if (!e.target || !e.target.draggable) {

Expand All @@ -839,7 +845,11 @@ var mouseHandlers = {
},

mousemove: function (e) {
var localCursorPoint = this.group.transformCoordToLocal(e.offsetX, e.offsetY);
var lastPoint = this._lastMouseMovePoint;
lastPoint.x = e.offsetX;
lastPoint.y = e.offsetY;

var localCursorPoint = this.group.transformCoordToLocal(lastPoint.x, lastPoint.y);

resetCursor(this, e, localCursorPoint);

Expand All @@ -853,27 +863,46 @@ var mouseHandlers = {
}
},

mouseup: handleDragEnd //,
mouseup: function (e) {
handleDragEnd(this, e);
},

// FIXME
// in tooltip, globalout should not be triggered.
// globalout: handleDragEnd
globalout: function (e) {
handleDragEnd(this, e, true);
}
};

function handleDragEnd(e) {
if (this._dragging) {
function handleDragEnd(controller, e, isGlobalOut) {
if (controller._dragging) {

preventDefault(e);
// Just be worried about bring some side effect to the world
// out of echarts, we do not `preventDefault` for globalout.
!isGlobalOut && preventDefault(e);

var pointerX = e.offsetX;
var pointerY = e.offsetY;
var lastPoint = controller._lastMouseMovePoint;
if (isGlobalOut) {
pointerX = lastPoint.x;
pointerY = lastPoint.y;
}

var localCursorPoint = this.group.transformCoordToLocal(e.offsetX, e.offsetY);
var eventParams = updateCoverByMouse(this, e, localCursorPoint, true);
var localCursorPoint = controller.group.transformCoordToLocal(pointerX, pointerY);
// FIXME
// Here `e` is used only in `onIrrelevantElement` finally. And it's OK
// that pass the `e` of `globalout` to `onIrrelevantElement`. But it is
// not a good design of these interfaces. However, we do not refactor
// these code now because the implementation of `onIrrelevantElement`
// need to be discussed and probably be changed in future, becuase it
// slows down the performance of zrender in some cases.
var eventParams = updateCoverByMouse(controller, e, localCursorPoint, true);

this._dragging = false;
this._track = [];
this._creatingCover = null;
controller._dragging = false;
controller._track = [];
controller._creatingCover = null;

// trigger event shoule be at final, after procedure will be nested.
eventParams && trigger(this, eventParams);
eventParams && trigger(controller, eventParams);
}
}

Expand Down