added simple selector support by id (#) or by name (.). Selecting by name is similar to selecting by class in other DOM libraries

This commit is contained in:
Eric Rowell 2012-04-07 20:32:24 -07:00
parent 3243e5f8ff
commit 8c70333472
7 changed files with 190 additions and 90 deletions

103
dist/kinetic-core.js vendored
View File

@ -41,6 +41,8 @@ var Kinetic = {};
Kinetic.GlobalObject = {
stages: [],
idCounter: 0,
ids: {},
names: {},
animations: [],
animIdCounter: 0,
frame: {
@ -123,6 +125,28 @@ Kinetic.GlobalObject = {
else {
this.frame.lastTime = 0;
}
},
addId: function(node) {
var go = Kinetic.GlobalObject;
if(node.attrs.id !== undefined) {
go.ids[node.attrs.id] = node;
}
},
removeId: function(node) {
},
addName: function(node) {
var go = Kinetic.GlobalObject;
var name = node.attrs.name;
if(name !== undefined) {
if(go.names[name] === undefined) {
go.names[name] = [];
}
go.names[name].push(node);
}
},
removeName: function(node) {
}
};
@ -327,7 +351,7 @@ Kinetic.Node.prototype = {
nodes = nodes.concat(child.getChildren());
}
if(child.id === that.id) {
if(child._id === that._id) {
n = children.length;
}
}
@ -554,7 +578,7 @@ Kinetic.Node.prototype = {
*/
isDragging: function() {
var go = Kinetic.GlobalObject;
return go.drag.node !== undefined && go.drag.node.id === this.id && go.drag.moving;
return go.drag.node !== undefined && go.drag.node._id === this._id && go.drag.moving;
},
/**
* move node to another container
@ -571,12 +595,6 @@ Kinetic.Node.prototype = {
this.index = newContainer.children.length - 1;
this.parent = newContainer;
newContainer._setChildrenIndices();
// update children hashes
if(this.attrs.name) {
parent.childrenNames[this.attrs.name] = undefined;
newContainer.childrenNames[this.attrs.name] = this;
}
},
/**
* get parent container
@ -800,10 +818,10 @@ Kinetic.Node.prototype = {
* determine if event handler should be skipped by comparing
* parent nodes
*/
if(eventType === 'onmouseover' && mouseoutNode && mouseoutNode.id === node.id) {
if(eventType === 'onmouseover' && mouseoutNode && mouseoutNode._id === node._id) {
okayToRun = false;
}
else if(eventType === 'onmouseout' && mouseoverNode && mouseoverNode.id === node.id) {
else if(eventType === 'onmouseout' && mouseoverNode && mouseoverNode._id === node._id) {
okayToRun = false;
}
@ -834,7 +852,6 @@ Kinetic.Node.prototype = {
*/
Kinetic.Container = function() {
this.children = [];
this.childrenNames = {};
};
/*
* Container methods
@ -846,13 +863,6 @@ Kinetic.Container.prototype = {
getChildren: function() {
return this.children;
},
/**
* get child node by name
* @param {String} name
*/
getChild: function(name) {
return this.childrenNames[name];
},
/**
* remove all children
*/
@ -866,10 +876,7 @@ Kinetic.Container.prototype = {
* @param {Node} child
*/
_remove: function(child) {
if(this.children[child.index].id == child.id) {
if(child.attrs.name !== undefined) {
this.childrenNames[child.attrs.name] = undefined;
}
if(this.children[child.index]._id == child._id) {
this.children.splice(child.index, 1);
this._setChildrenIndices();
@ -896,14 +903,15 @@ Kinetic.Container.prototype = {
* @param {Node} child
*/
_add: function(child) {
if(child.attrs.name) {
this.childrenNames[child.attrs.name] = child;
}
child.id = Kinetic.GlobalObject.idCounter++;
child._id = Kinetic.GlobalObject.idCounter++;
child.index = this.children.length;
child.parent = this;
this.children.push(child);
var go = Kinetic.GlobalObject;
go.addId(child);
go.addName(child);
},
/**
* set children indices
@ -934,7 +942,7 @@ Kinetic.Container.prototype = {
}
};
///////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////
// Stage
///////////////////////////////////////////////////////////////////////
/**
@ -988,7 +996,7 @@ Kinetic.Stage = function(config) {
this.touchEnd = false;
// set stage id
this.id = Kinetic.GlobalObject.idCounter++;
this._id = Kinetic.GlobalObject.idCounter++;
this._buildDOM();
this._listen();
@ -996,8 +1004,10 @@ Kinetic.Stage = function(config) {
this.anim = undefined;
// add stage to global object
Kinetic.GlobalObject.stages.push(this);
var go = Kinetic.GlobalObject;
go.stages.push(this);
go.addId(this);
go.addName(this);
};
/*
* Stage methods
@ -1035,6 +1045,30 @@ Kinetic.Stage.prototype = {
draw: function() {
this._drawChildren();
},
/**
* get selector. can select nodes by id with # and by name
* with .
* ex:
* var node = stage.get('#foo'); // selects node with id foo
* var nodes = stage.get('.bar'); // selects nodes with name bar
* @param {String} selector
*/
get: function(selector) {
var go = Kinetic.GlobalObject;
var hash;
if(selector.charAt(0) === '#') {
hash = go.ids;
}
else if(selector.charAt(0) === '.') {
hash = go.names;
}
else {
return false;
}
var key = selector.slice(1);
return hash[key];
},
/**
* set stage size
* @param {int} width
@ -1224,9 +1258,6 @@ Kinetic.Stage.prototype = {
* @param {Layer} layer
*/
add: function(layer) {
if(layer.attrs.name) {
this.childrenNames[layer.attrs.name] = layer;
}
layer.canvas.width = this.attrs.width;
layer.canvas.height = this.attrs.height;
this._add(layer);
@ -1296,7 +1327,7 @@ Kinetic.Stage.prototype = {
var pos = this.getUserPosition();
var el = shape.eventListeners;
if(this.targetShape && shape.id === this.targetShape.id) {
if(this.targetShape && shape._id === this.targetShape._id) {
this.targetFound = true;
}
@ -1392,7 +1423,7 @@ Kinetic.Stage.prototype = {
}
}
// handle mouseout condition
else if(!isDragging && this.targetShape && this.targetShape.id === shape.id) {
else if(!isDragging && this.targetShape && this.targetShape._id === shape._id) {
this._setTarget(undefined);
this.mouseoutShape = shape;
return true;
@ -1411,7 +1442,7 @@ Kinetic.Stage.prototype = {
* check if shape should be a new target
*/
_isNewTarget: function(shape, evt) {
if(!this.targetShape || (!this.targetFound && shape.id !== this.targetShape.id)) {
if(!this.targetShape || (!this.targetFound && shape._id !== this.targetShape._id)) {
/*
* check if old target has an onmouseout event listener
*/

File diff suppressed because one or more lines are too long

View File

@ -8,7 +8,6 @@
*/
Kinetic.Container = function() {
this.children = [];
this.childrenNames = {};
};
/*
* Container methods
@ -20,13 +19,6 @@ Kinetic.Container.prototype = {
getChildren: function() {
return this.children;
},
/**
* get child node by name
* @param {String} name
*/
getChild: function(name) {
return this.childrenNames[name];
},
/**
* remove all children
*/
@ -40,10 +32,7 @@ Kinetic.Container.prototype = {
* @param {Node} child
*/
_remove: function(child) {
if(this.children[child.index].id == child.id) {
if(child.attrs.name !== undefined) {
this.childrenNames[child.attrs.name] = undefined;
}
if(this.children[child.index]._id == child._id) {
this.children.splice(child.index, 1);
this._setChildrenIndices();
@ -70,14 +59,15 @@ Kinetic.Container.prototype = {
* @param {Node} child
*/
_add: function(child) {
if(child.attrs.name) {
this.childrenNames[child.attrs.name] = child;
}
child.id = Kinetic.GlobalObject.idCounter++;
child._id = Kinetic.GlobalObject.idCounter++;
child.index = this.children.length;
child.parent = this;
this.children.push(child);
var go = Kinetic.GlobalObject;
go.addId(child);
go.addName(child);
},
/**
* set children indices

View File

@ -13,6 +13,8 @@ var Kinetic = {};
Kinetic.GlobalObject = {
stages: [],
idCounter: 0,
ids: {},
names: {},
animations: [],
animIdCounter: 0,
frame: {
@ -95,6 +97,28 @@ Kinetic.GlobalObject = {
else {
this.frame.lastTime = 0;
}
},
addId: function(node) {
var go = Kinetic.GlobalObject;
if(node.attrs.id !== undefined) {
go.ids[node.attrs.id] = node;
}
},
removeId: function(node) {
},
addName: function(node) {
var go = Kinetic.GlobalObject;
var name = node.attrs.name;
if(name !== undefined) {
if(go.names[name] === undefined) {
go.names[name] = [];
}
go.names[name].push(node);
}
},
removeName: function(node) {
}
};

View File

@ -192,7 +192,7 @@ Kinetic.Node.prototype = {
nodes = nodes.concat(child.getChildren());
}
if(child.id === that.id) {
if(child._id === that._id) {
n = children.length;
}
}
@ -419,7 +419,7 @@ Kinetic.Node.prototype = {
*/
isDragging: function() {
var go = Kinetic.GlobalObject;
return go.drag.node !== undefined && go.drag.node.id === this.id && go.drag.moving;
return go.drag.node !== undefined && go.drag.node._id === this._id && go.drag.moving;
},
/**
* move node to another container
@ -436,12 +436,6 @@ Kinetic.Node.prototype = {
this.index = newContainer.children.length - 1;
this.parent = newContainer;
newContainer._setChildrenIndices();
// update children hashes
if(this.attrs.name) {
parent.childrenNames[this.attrs.name] = undefined;
newContainer.childrenNames[this.attrs.name] = this;
}
},
/**
* get parent container
@ -665,10 +659,10 @@ Kinetic.Node.prototype = {
* determine if event handler should be skipped by comparing
* parent nodes
*/
if(eventType === 'onmouseover' && mouseoutNode && mouseoutNode.id === node.id) {
if(eventType === 'onmouseover' && mouseoutNode && mouseoutNode._id === node._id) {
okayToRun = false;
}
else if(eventType === 'onmouseout' && mouseoverNode && mouseoverNode.id === node.id) {
else if(eventType === 'onmouseout' && mouseoverNode && mouseoverNode._id === node._id) {
okayToRun = false;
}

View File

@ -1,4 +1,4 @@
///////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////
// Stage
///////////////////////////////////////////////////////////////////////
/**
@ -52,7 +52,7 @@ Kinetic.Stage = function(config) {
this.touchEnd = false;
// set stage id
this.id = Kinetic.GlobalObject.idCounter++;
this._id = Kinetic.GlobalObject.idCounter++;
this._buildDOM();
this._listen();
@ -60,8 +60,10 @@ Kinetic.Stage = function(config) {
this.anim = undefined;
// add stage to global object
Kinetic.GlobalObject.stages.push(this);
var go = Kinetic.GlobalObject;
go.stages.push(this);
go.addId(this);
go.addName(this);
};
/*
* Stage methods
@ -99,6 +101,30 @@ Kinetic.Stage.prototype = {
draw: function() {
this._drawChildren();
},
/**
* get selector. can select nodes by id with # and by name
* with .
* ex:
* var node = stage.get('#foo'); // selects node with id foo
* var nodes = stage.get('.bar'); // selects nodes with name bar
* @param {String} selector
*/
get: function(selector) {
var go = Kinetic.GlobalObject;
var hash;
if(selector.charAt(0) === '#') {
hash = go.ids;
}
else if(selector.charAt(0) === '.') {
hash = go.names;
}
else {
return false;
}
var key = selector.slice(1);
return hash[key];
},
/**
* set stage size
* @param {int} width
@ -288,9 +314,6 @@ Kinetic.Stage.prototype = {
* @param {Layer} layer
*/
add: function(layer) {
if(layer.attrs.name) {
this.childrenNames[layer.attrs.name] = layer;
}
layer.canvas.width = this.attrs.width;
layer.canvas.height = this.attrs.height;
this._add(layer);
@ -360,7 +383,7 @@ Kinetic.Stage.prototype = {
var pos = this.getUserPosition();
var el = shape.eventListeners;
if(this.targetShape && shape.id === this.targetShape.id) {
if(this.targetShape && shape._id === this.targetShape._id) {
this.targetFound = true;
}
@ -456,7 +479,7 @@ Kinetic.Stage.prototype = {
}
}
// handle mouseout condition
else if(!isDragging && this.targetShape && this.targetShape.id === shape.id) {
else if(!isDragging && this.targetShape && this.targetShape._id === shape._id) {
this._setTarget(undefined);
this.mouseoutShape = shape;
return true;
@ -475,7 +498,7 @@ Kinetic.Stage.prototype = {
* check if shape should be a new target
*/
_isNewTarget: function(shape, evt) {
if(!this.targetShape || (!this.targetFound && shape.id !== this.targetShape.id)) {
if(!this.targetShape || (!this.targetFound && shape._id !== this.targetShape._id)) {
/*
* check if old target has an onmouseout event listener
*/

View File

@ -40,7 +40,6 @@ Test.prototype.tests = {
stage.add(layer);
layer.add(group);
layer.draw();
},
'STAGE - add layer then group then shape': function(containerId) {
var stage = new Kinetic.Stage({
@ -163,7 +162,8 @@ Test.prototype.tests = {
drawFunc: drawTriangle,
fill: "#00D2FF",
stroke: "black",
strokeWidth: 4
strokeWidth: 4,
id: 'myTriangle'
});
stage.add(layer);
@ -171,9 +171,9 @@ Test.prototype.tests = {
group.add(triangle);
layer.draw();
//console.log(stage.toJSON());
console.log(stage.toJSON());
var expectedJson = '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Group","children":[{"attrs":{"fill":"#00D2FF","stroke":"black","strokeWidth":4,"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Shape"}]}]}]}';
var expectedJson = '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Group","children":[{"attrs":{"fill":"#00D2FF","stroke":"black","strokeWidth":4,"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false,"id":"myTriangle"},"nodeType":"Shape"}]}]}]}';
test(stage.toJSON() === expectedJson, "problem with serialization");
},
@ -193,10 +193,10 @@ Test.prototype.tests = {
context.closePath();
this.fillStroke();
};
var json = '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Group","children":[{"attrs":{"fill":"#00D2FF","stroke":"black","strokeWidth":4,"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Shape"}]}]}]}';
var json = '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Group","children":[{"attrs":{"fill":"#00D2FF","stroke":"black","strokeWidth":4,"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false,"id":"myTriangle"},"nodeType":"Shape"}]}]}]}';
stage.load(json);
var customShape = stage.getChildren()[0].getChildren()[0].getChildren()[0];
var customShape = stage.get('#myTriangle');
customShape.setDrawFunc(drawTriangle);
@ -290,6 +290,45 @@ Test.prototype.tests = {
stage.draw();
},
'STAGE - select shape by id and name': function(containerId) {
var stage = new Kinetic.Stage({
container: containerId,
width: 578,
height: 200
});
var layer = new Kinetic.Layer();
var circle = new Kinetic.Circle({
x: stage.getWidth() / 2,
y: stage.getHeight() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
id: 'myCircle'
});
var rect = new Kinetic.Rect({
x: 300,
y: 100,
width: 100,
height: 50,
fill: 'purple',
stroke: 'black',
strokeWidth: 4,
name: 'myRect'
});
layer.add(circle);
layer.add(rect);
stage.add(layer);
var node = stage.get('#myCircle');
var nodes = stage.get('.myRect');
test(node.shapeType === 'Circle', 'shape type should be circle');
test(nodes[0].shapeType === 'Rect', 'shape type should be rect');
},
'STAGE - remove layer with shape': function(containerId) {
var stage = new Kinetic.Stage({
container: containerId,
@ -709,7 +748,8 @@ Test.prototype.tests = {
centerOffset: {
x: 50,
y: imageObj.height / 2
}
},
id: 'darth'
});
layer.add(darth);
@ -717,9 +757,7 @@ Test.prototype.tests = {
var json = stage.toJSON();
//console.log(json);
test(json === '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":200,"y":60,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":50,"y":150},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Shape","shapeType":"Image"}]}]}', 'problem serializing stage');
test(json === '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":200,"y":60,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":50,"y":150},"dragConstraint":"none","dragBounds":{},"draggable":false,"id":"darth"},"nodeType":"Shape","shapeType":"Image"}]}]}', 'problem serializing stage');
};
imageObj.src = '../darth-vader.jpg';
},
@ -732,14 +770,14 @@ Test.prototype.tests = {
height: 200
});
var json = '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":200,"y":60,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":50,"y":150},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Shape","shapeType":"Image"}]}]}';
var json = '{"attrs":{"width":578,"height":200,"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Stage","children":[{"attrs":{"visible":true,"listening":true,"alpha":1,"x":0,"y":0,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":0,"y":0},"dragConstraint":"none","dragBounds":{},"draggable":false},"nodeType":"Layer","children":[{"attrs":{"detectionType":"path","visible":true,"listening":true,"alpha":1,"x":200,"y":60,"scale":{"x":1,"y":1},"rotation":0,"centerOffset":{"x":50,"y":150},"dragConstraint":"none","dragBounds":{},"draggable":false,"id":"darth"},"nodeType":"Shape","shapeType":"Image"}]}]}';
stage.load(json);
var image = stage.getChildren()[0].getChildren()[0];
var image = stage.get('#darth');
image.setImage(imageObj);
stage.draw();
};
@ -1295,7 +1333,7 @@ Test.prototype.tests = {
layer.remove(circle);
test(layer.children.length === 0, 'layer should have 0 children');
test(layer.getChild('myCircle') === undefined, 'shape should be null');
//test(layer.getChild('myCircle') === undefined, 'shape should be null');
layer.draw();
},