mirror of
https://github.com/konvajs/konva.git
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improved mouseover and mouseout event handling by ignoring parent handlers if mouse moves from one child to another
This commit is contained in:
Eric Rowell
parent
9a61e149df
commit
84e7e71461
108
dist/kinetic-core.js
vendored
108
dist/kinetic-core.js
vendored
@ -3,7 +3,7 @@
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* http://www.kineticjs.com/
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* Copyright 2012, Eric Rowell
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* Licensed under the MIT or GPL Version 2 licenses.
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* Date: Mar 17 2012
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* Date: Mar 18 2012
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*
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* Copyright (C) 2011 - 2012 by Eric Rowell
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*
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@ -733,22 +733,41 @@ Kinetic.Node.prototype = {
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* @param {Event} evt
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*/
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_handleEvents: function(eventType, evt) {
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// generic events handler
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function handle(obj) {
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var el = obj.eventListeners;
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if(el[eventType]) {
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var events = el[eventType];
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for(var i = 0; i < events.length; i++) {
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events[i].handler.apply(obj, [evt]);
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}
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}
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var stage = this.getStage();
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this._handleEvent(this, stage.mouseoverShape, stage.mouseoutShape, eventType, evt);
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},
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/**
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* handle node event
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*/
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_handleEvent: function(node, mouseoverNode, mouseoutNode, eventType, evt) {
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var el = node.eventListeners;
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var okayToRun = true;
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// simulate event bubbling
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if(!evt.cancelBubble && obj.parent.className !== 'Stage') {
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handle(obj.parent);
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/*
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* determine if event handler should be skipped by comparing
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* parent nodes
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*/
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if(eventType === 'onmouseover' && mouseoutNode && mouseoutNode.id === node.id) {
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okayToRun = false;
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}
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else if(eventType === 'onmouseout' && mouseoverNode && mouseoverNode.id === node.id) {
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okayToRun = false;
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}
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if(el[eventType] && okayToRun) {
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var events = el[eventType];
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for(var i = 0; i < events.length; i++) {
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events[i].handler.apply(node, [evt]);
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}
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}
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handle(this);
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var mouseoverParent = mouseoverNode ? mouseoverNode.parent : undefined;
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var mouseoutParent = mouseoutNode ? mouseoutNode.parent : undefined;
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// simulate event bubbling
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if(!evt.cancelBubble && node.parent.className !== 'Stage') {
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this._handleEvent(node.parent, mouseoverParent, mouseoutParent, eventType, evt);
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}
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}
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};
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@ -882,9 +901,11 @@ Kinetic.Stage = function(cont, width, height) {
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y: 1
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};
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this.dblClickWindow = 400;
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this.targetShape = undefined;
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this.clickStart = false;
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this.targetShape = undefined;
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this.targetFound = false;
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this.mouseoverShape = undefined;
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this.mouseoutShape = undefined;
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// desktop flags
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this.mousePos = undefined;
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@ -1199,12 +1220,25 @@ Kinetic.Stage.prototype = {
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}
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/*
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* NOTE: these event handlers require target shape
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* handling
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*/
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* NOTE: these event handlers require target shape
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* handling
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*/
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// handle onmouseover
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else if(!isDragging && this._isNewTarget(shape, evt)) {
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// handle onmouseover
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/*
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* check to see if there are stored mouseout events first.
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* if there are, run those before running the onmouseover
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* events
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*/
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if(this.mouseoutShape) {
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this.mouseoverShape = shape;
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this.mouseoutShape._handleEvents('onmouseout', evt);
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this.mouseoverShape = undefined;
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}
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shape._handleEvents('onmouseover', evt);
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this._setTarget(shape);
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return true;
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}
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@ -1217,13 +1251,24 @@ Kinetic.Stage.prototype = {
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}
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// handle mouseout condition
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else if(!isDragging && this.targetShape && this.targetShape.id === shape.id) {
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this.targetShape = undefined;
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shape._handleEvents('onmouseout', evt);
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this._setTarget(undefined);
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this.mouseoutShape = shape;
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//shape._handleEvents('onmouseout', evt);
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return true;
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}
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return false;
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},
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/**
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* set new target
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*/
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_setTarget: function(shape) {
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this.targetShape = shape;
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this.targetFound = true;
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},
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/**
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* check if shape should be a new target
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*/
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_isNewTarget: function(shape, evt) {
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if(!this.targetShape || (!this.targetFound && shape.id !== this.targetShape.id)) {
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/*
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@ -1232,14 +1277,10 @@ Kinetic.Stage.prototype = {
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if(this.targetShape) {
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var oldEl = this.targetShape.eventListeners;
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if(oldEl) {
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this.targetShape._handleEvents('onmouseout', evt);
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this.mouseoutShape = this.targetShape;
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//this.targetShape._handleEvents('onmouseout', evt);
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}
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}
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// set new target shape
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this.targetShape = shape;
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this.targetFound = true;
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return true;
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}
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else {
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@ -1293,15 +1334,26 @@ Kinetic.Stage.prototype = {
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* three nested loops
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*/
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this.targetFound = false;
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var shapeDetected = false;
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for(var n = this.children.length - 1; n >= 0; n--) {
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var layer = this.children[n];
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if(layer.visible && n >= 0 && layer.isListening) {
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if(this._traverseChildren(layer, evt)) {
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n = -1;
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shapeDetected = true;
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}
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}
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}
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/*
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* if no shape was detected and a mouseout shape has been stored,
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* then run the onmouseout event handlers
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*/
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if(!shapeDetected && this.mouseoutShape) {
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this.mouseoutShape._handleEvents('onmouseout', evt);
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this.mouseoutShape = undefined;
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}
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},
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/**
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* begin listening for events by adding event handlers
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4
dist/kinetic-core.min.js
vendored
4
dist/kinetic-core.min.js
vendored
File diff suppressed because one or more lines are too long
45
src/Node.js
45
src/Node.js
@ -531,21 +531,40 @@ Kinetic.Node.prototype = {
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* @param {Event} evt
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*/
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_handleEvents: function(eventType, evt) {
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// generic events handler
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function handle(obj) {
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var el = obj.eventListeners;
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if(el[eventType]) {
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var events = el[eventType];
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for(var i = 0; i < events.length; i++) {
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events[i].handler.apply(obj, [evt]);
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}
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}
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var stage = this.getStage();
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this._handleEvent(this, stage.mouseoverShape, stage.mouseoutShape, eventType, evt);
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},
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/**
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* handle node event
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*/
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_handleEvent: function(node, mouseoverNode, mouseoutNode, eventType, evt) {
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var el = node.eventListeners;
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var okayToRun = true;
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// simulate event bubbling
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if(!evt.cancelBubble && obj.parent.className !== 'Stage') {
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handle(obj.parent);
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/*
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* determine if event handler should be skipped by comparing
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* parent nodes
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*/
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if(eventType === 'onmouseover' && mouseoutNode && mouseoutNode.id === node.id) {
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okayToRun = false;
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}
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else if(eventType === 'onmouseout' && mouseoverNode && mouseoverNode.id === node.id) {
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okayToRun = false;
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}
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if(el[eventType] && okayToRun) {
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var events = el[eventType];
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for(var i = 0; i < events.length; i++) {
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events[i].handler.apply(node, [evt]);
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}
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}
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handle(this);
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var mouseoverParent = mouseoverNode ? mouseoverNode.parent : undefined;
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var mouseoutParent = mouseoutNode ? mouseoutNode.parent : undefined;
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// simulate event bubbling
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if(!evt.cancelBubble && node.parent.className !== 'Stage') {
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this._handleEvent(node.parent, mouseoverParent, mouseoutParent, eventType, evt);
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}
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}
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};
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61
src/Stage.js
61
src/Stage.js
@ -21,9 +21,11 @@ Kinetic.Stage = function(cont, width, height) {
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y: 1
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};
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this.dblClickWindow = 400;
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this.targetShape = undefined;
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this.clickStart = false;
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this.targetShape = undefined;
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this.targetFound = false;
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this.mouseoverShape = undefined;
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this.mouseoutShape = undefined;
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// desktop flags
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this.mousePos = undefined;
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@ -338,12 +340,25 @@ Kinetic.Stage.prototype = {
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}
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/*
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* NOTE: these event handlers require target shape
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* handling
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*/
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* NOTE: these event handlers require target shape
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* handling
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*/
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// handle onmouseover
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else if(!isDragging && this._isNewTarget(shape, evt)) {
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// handle onmouseover
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/*
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* check to see if there are stored mouseout events first.
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* if there are, run those before running the onmouseover
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* events
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*/
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if(this.mouseoutShape) {
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this.mouseoverShape = shape;
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this.mouseoutShape._handleEvents('onmouseout', evt);
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this.mouseoverShape = undefined;
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}
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shape._handleEvents('onmouseover', evt);
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this._setTarget(shape);
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return true;
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}
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@ -356,13 +371,24 @@ Kinetic.Stage.prototype = {
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}
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// handle mouseout condition
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else if(!isDragging && this.targetShape && this.targetShape.id === shape.id) {
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this.targetShape = undefined;
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shape._handleEvents('onmouseout', evt);
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this._setTarget(undefined);
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this.mouseoutShape = shape;
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//shape._handleEvents('onmouseout', evt);
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return true;
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}
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return false;
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},
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/**
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* set new target
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*/
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_setTarget: function(shape) {
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this.targetShape = shape;
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this.targetFound = true;
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},
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/**
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* check if shape should be a new target
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*/
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_isNewTarget: function(shape, evt) {
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if(!this.targetShape || (!this.targetFound && shape.id !== this.targetShape.id)) {
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/*
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@ -371,14 +397,10 @@ Kinetic.Stage.prototype = {
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if(this.targetShape) {
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var oldEl = this.targetShape.eventListeners;
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if(oldEl) {
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this.targetShape._handleEvents('onmouseout', evt);
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this.mouseoutShape = this.targetShape;
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//this.targetShape._handleEvents('onmouseout', evt);
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}
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}
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// set new target shape
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this.targetShape = shape;
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this.targetFound = true;
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return true;
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}
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else {
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@ -432,15 +454,26 @@ Kinetic.Stage.prototype = {
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* three nested loops
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*/
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this.targetFound = false;
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var shapeDetected = false;
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for(var n = this.children.length - 1; n >= 0; n--) {
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var layer = this.children[n];
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if(layer.visible && n >= 0 && layer.isListening) {
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if(this._traverseChildren(layer, evt)) {
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n = -1;
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shapeDetected = true;
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}
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}
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}
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/*
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* if no shape was detected and a mouseout shape has been stored,
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* then run the onmouseout event handlers
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*/
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if(!shapeDetected && this.mouseoutShape) {
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this.mouseoutShape._handleEvents('onmouseout', evt);
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this.mouseoutShape = undefined;
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}
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},
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/**
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* begin listening for events by adding event handlers
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@ -458,28 +458,54 @@ Test.prototype.tests = {
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stage.add(layer);
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},
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'EVENTS - event bubbling': function(containerId) {
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'EVENTS - group click events': function(containerId) {
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var stage = new Kinetic.Stage(containerId, 578, 200);
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var layer = new Kinetic.Layer();
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var group = new Kinetic.Group();
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layer.on('mouseover', function() {
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log('mouseover layer');
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group.on('click', function() {
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log('click group');
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//console.log(this);
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});
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layer.on('mouseout', function() {
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log('mouseout layer');
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//console.log(this);
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var redCircle = new Kinetic.Circle({
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x: stage.width / 2,
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y: stage.height / 2,
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radius: 80,
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strokeWidth: 4,
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fill: 'red',
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stroke: 'black',
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name: 'red'
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});
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group.on('mouseover', function() {
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log('mouseover group');
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//console.log(this);
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});
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group.on('mouseout', function() {
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log('mouseout group');
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var greenCircle = new Kinetic.Circle({
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x: stage.width / 2,
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y: stage.height / 2,
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radius: 40,
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strokeWidth: 4,
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fill: 'green',
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stroke: 'black',
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name: 'green'
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});
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group.add(redCircle);
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group.add(greenCircle);
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layer.add(group);
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stage.add(layer);
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},
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'EVENTS - group mousemove events': function(containerId) {
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var stage = new Kinetic.Stage(containerId, 578, 200);
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var layer = new Kinetic.Layer();
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var group = new Kinetic.Group();
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group.on('mousemove', function() {
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log('mousemove group');
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//console.log(this);
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});
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var redCircle = new Kinetic.Circle({
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x: stage.width / 2,
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y: stage.height / 2,
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@ -489,14 +515,6 @@ Test.prototype.tests = {
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stroke: 'black'
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});
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redCircle.on('mouseover', function() {
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log('mouseover red circle');
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//console.log(this);
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});
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redCircle.on('mouseout', function() {
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log('mouseout red circle');
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//console.log(this);
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});
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var greenCircle = new Kinetic.Circle({
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x: stage.width / 2,
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y: stage.height / 2,
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@ -506,13 +524,45 @@ Test.prototype.tests = {
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stroke: 'black'
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});
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greenCircle.on('mouseover', function() {
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log('mouseover green circle');
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//console.log(this);
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group.add(redCircle);
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group.add(greenCircle);
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layer.add(group);
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stage.add(layer);
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},
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'EVENTS - group mouseover events': function(containerId) {
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var stage = new Kinetic.Stage(containerId, 578, 200);
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var layer = new Kinetic.Layer();
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var group = new Kinetic.Group({
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name: 'group'
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});
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greenCircle.on('mouseout', function() {
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log('mouseout green circle');
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//console.log(this);
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group.on('mouseover', function() {
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log('mouseover group');
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});
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group.on('mouseout', function() {
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log('mouseout group');
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});
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var redCircle = new Kinetic.Circle({
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x: stage.width / 2,
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y: stage.height / 2,
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radius: 80,
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strokeWidth: 4,
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fill: 'red',
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stroke: 'black',
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name: 'red'
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});
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var greenCircle = new Kinetic.Circle({
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x: stage.width / 2,
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y: stage.height / 2,
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radius: 40,
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strokeWidth: 4,
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fill: 'green',
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stroke: 'black',
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name: 'green'
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});
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group.add(redCircle);
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