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Code Issues Actions 2 Packages Projects Releases Wiki Activity

lots of refactoring, and code hardening. Also fixed bug in which dragend events were being fired before mouseup/touchend events

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This commit is contained in:
Eric Rowell
2013-03-23 20:02:11 -07:00
parent 0c80f6e223
commit 966ebf2a32
7 changed files with 159 additions and 139 deletions
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21
src/Container.js
View File

@@ -206,10 +206,6 @@
canvas = layer.getCanvas();
}
if(layer && layer.getClearBeforeDraw()) {
canvas.clear();
}
if(this.isVisible()) {
if (clip) {
canvas._clip(this);
@@ -229,20 +225,21 @@
},
drawHit: function() {
var clip = !!this.getClipFunc() && this.nodeType !== 'Stage',
dd = Kinetic.DD,
hitCanvas;
if (clip) {
hitCanvas = this.getLayer().hitCanvas;
hitCanvas._clip(this);
}
if(this.isVisible() && this.isListening()) {
if(this.shouldDrawHit()) {
if (clip) {
hitCanvas = this.getLayer().hitCanvas;
hitCanvas._clip(this);
}
var children = this.children, len = children.length;
for(var n = 0; n < len; n++) {
children[n].drawHit();
}
}
if (clip) {
hitCanvas.getContext().restore();
if (clip) {
hitCanvas.getContext().restore();
}
}
}
};

88
src/DragAndDrop.js
View File

@@ -1,7 +1,7 @@
(function() {
Kinetic.DD = {
anim: new Kinetic.Animation(),
moving: false,
started: false,
offset: {
x: 0,
y: 0
@@ -35,9 +35,6 @@
if(!dd.moving) {
dd.moving = true;
node.setListening(false);
// execute dragstart events if defined
node._handleEvent('dragstart', evt);
}
@@ -45,37 +42,53 @@
node._handleEvent('dragmove', evt);
}
};
Kinetic.DD._endDrag = function(evt) {
var dd = Kinetic.DD, node = dd.node;
Kinetic.DD._endDragBefore = function(evt) {
var dd = Kinetic.DD,
evt = evt || {},
node = dd.node,
nodeType, layer;
if(node) {
var nodeType = node.nodeType, stage = node.getStage();
node.setListening(true);
if(nodeType === 'Stage') {
node.draw();
}
// else if group, shape, or layer
else {
if((nodeType === 'Group' || nodeType === 'Shape') && node.getDragOnTop()) {
node.getStage().dragLayer.remove();
}
nodeType = node.nodeType,
layer = node.getLayer();
node.moveToTop();
node.getLayer().draw();
if((nodeType === 'Group' || nodeType === 'Shape') && node.getDragOnTop()) {
node.getStage().dragLayer.remove();
}
delete dd.node;
dd.anim.stop();
// only fire dragend event if the drag and drop
// operation actually started. This can be detected by
// checking dd.moving
// operation actually started.
if(dd.moving) {
dd.moving = false;
node._handleEvent('dragend', evt);
evt.dragEndNode = node;
}
delete dd.node;
node.moveToTop();
if (layer) {
layer.draw();
}
else {
node.draw();
}
}
};
Kinetic.DD._endDragAfter = function(evt) {
var evt = evt || {},
dragEndNode = evt.dragEndNode;
if (evt && dragEndNode) {
dragEndNode._handleEvent('dragend', evt);
}
};
Kinetic.DD._endDrag = function() {
this._endDragBefore();
this._endDragAfter();
};
Kinetic.Node.prototype._startDrag = function(evt) {
var dd = Kinetic.DD,
that = this,
@@ -99,22 +112,12 @@
// Group or Shape node types
else {
if(this.getDragOnTop()) {
// WARNING: it's important to delay the moveTo operation,
// layer redraws, and anim.start() until after the method execution
// has completed or else there will be a flicker on mobile devices
// due to the time it takes to append the dd canvas to the DOM
//setTimeout(function() {
//if(dd.node) {
// clear shape from layer canvas
that.setVisible(false);
layer.draw();
that.setVisible(true);
stage.add(stage.dragLayer);
dd.anim.start();
//}
//}, 0);
// clear shape from layer canvas
that.setVisible(false);
layer.draw();
that.setVisible(true);
stage.add(stage.dragLayer);
dd.anim.start();
}
else {
dd.anim.start();
@@ -173,6 +176,7 @@
}
}
};
Kinetic.Node.prototype._dragCleanup = function() {
this.off('mousedown.kinetic');
this.off('touchstart.kinetic');
@@ -229,6 +233,10 @@
// called before the stage mouseup event is triggered in order
// to render the hit graph just in time to pick up the event
var html = document.getElementsByTagName('html')[0];
html.addEventListener('mouseup', Kinetic.DD._endDrag, true);
html.addEventListener('touchend', Kinetic.DD._endDrag, true);
html.addEventListener('mouseup', Kinetic.DD._endDragBefore, true);
html.addEventListener('touchend', Kinetic.DD._endDragBefore, true);
html.addEventListener('mouseup', Kinetic.DD._endDragAfter, false);
html.addEventListener('touchend', Kinetic.DD._endDragAfter, false);
})();

32
src/Layer.js
View File

@@ -46,30 +46,6 @@
this.afterDrawFunc.call(this);
}
},
/**
* draw children nodes on hit. this includes any groups
* or shapes
* @name drawHit
* @methodOf Kinetic.Layer.prototype
*/
drawHit: function() {
this.hitCanvas.clear();
Kinetic.Container.prototype.drawHit.call(this);
},
/**
* draw children nodes on scene. this includes any groups
* or shapes
* @name drawScene
* @methodOf Kinetic.Layer.prototype
* @param {Kinetic.Canvas} [canvas]
*/
drawScene: function(canvas) {
canvas = canvas || this.getCanvas();
if(this.getClearBeforeDraw()) {
canvas.clear();
}
Kinetic.Container.prototype.drawScene.call(this, canvas);
},
toDataURL: function(config) {
config = config || {};
var mimeType = config.mimeType || null,
@@ -117,6 +93,14 @@
var stage = this.getStage();
return (stage && stage._isTempDDLayerActive()) ? stage.dragLayer.canvas : this.canvas;
},
/**
* get layer hit canvas
* @name getHitCanvas
* @methodOf Kinetic.Layer.prototype
*/
getHitCanvas: function() {
return this.hitCanvas;
},
/**
* get layer canvas context
* @name getContext

7
src/Node.js
View File

@@ -916,7 +916,7 @@
}
},
/*
* draw both scene and hit graphs.
* draw both scene and hit graphs. If the node being drawn is the stage, all of the layers will be cleared and redra
* @name draw
* @methodOf Kinetic.Node.prototype
* the scene renderer
@@ -926,10 +926,15 @@
if(layer && layer.getClearBeforeDraw()) {
layer.getCanvas().clear();
layer.getHitCanvas().clear();
}
this.drawScene();
this.drawHit();
},
shouldDrawHit: function() {
var dd = Kinetic.DD;
return this.isVisible() && this.isListening() && (!dd || !dd.moving);
}
};

2
src/Shape.js
View File

@@ -188,7 +188,7 @@
canvas = this.getLayer().hitCanvas,
context = canvas.getContext();
if(drawFunc && this.isVisible() && this.isListening()) {
if(drawFunc && this.shouldDrawHit()) {
context.save();
canvas._applyLineJoin(this);
canvas._applyAncestorTransforms(this);

20
src/Stage.js
View File

@@ -51,6 +51,22 @@
}
this.setAttr('container', container);
},
draw: function() {
// clear children layers
var children = this.getChildren(),
len = children.length,
n, layer;
for(n = 0; n < len; n++) {
layer = children[n];
if (layer.getClearBeforeDraw()) {
layer.getCanvas().clear();
layer.getHitCanvas().clear();
}
}
Kinetic.Node.prototype.draw.call(this);
},
/**
* draw layer scene graphs
* @name draw
@@ -396,7 +412,9 @@
},
_mouseup: function(evt) {
this._setUserPosition(evt);
var that = this, dd = Kinetic.DD, obj = this.getIntersection(this.getUserPosition());
var that = this,
dd = Kinetic.DD,
obj = this.getIntersection(this.getUserPosition());
if(obj && obj.shape) {
var shape = obj.shape;

116
tests/js/functionalTests.js
View File

@@ -38,13 +38,13 @@ Test.Modules.DD = {
clientX: 291,
clientY: 112 + top
});
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 291,
clientY: 112 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragAfter({dragEndNode:circle});
},
'test dragstart, dragmove, dragend': function(containerId) {
var stage = new Kinetic.Stage({
@@ -89,16 +89,17 @@ Test.Modules.DD = {
var dragEnd = false;
var mouseup = false;
var layerDragMove = false;
var events = [];
circle.on('dragstart', function() {
dragStart = true;
});
/*
circle.on('dragmove', function() {
dragMove = true;
});
*/
layer.on('dragmove', function() {
//console.log('move');
@@ -106,13 +107,17 @@ Test.Modules.DD = {
circle.on('dragend', function() {
dragEnd = true;
// test set draggable false after drag end
//this.setDraggable(false);
console.log('dragend');
events.push('dragend');
});
circle.on('mouseup', function() {
//console.log('mousup')
console.log('mouseup');
events.push('mouseup');
});
warn(layer.toDataURL() === dataUrls['drag circle before'], 'start data url is incorrect');
/*
* simulate drag and drop
@@ -136,23 +141,23 @@ Test.Modules.DD = {
//test(dragMove, 'dragmove event was not triggered');
test(!dragEnd, 'dragend event should not have been triggered');
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 100,
clientY: 98 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragAfter({dragEndNode:circle});
test(dragStart, 'dragstart event was not triggered');
//test(dragMove, 'dragmove event was not triggered');
test(dragMove, 'dragmove event was not triggered');
test(dragEnd, 'dragend event was not triggered');
test(events.toString() === 'mouseup,dragend', 'mouseup should occur before dragend');
warn(layer.toDataURL() === dataUrls['drag circle after'], 'end data url is incorrect');
console.log(layer);
showHit(layer);
console.log(layer.eventListeners['dragmove']);
},
'cancel drag and drop by setting draggable to false': function(containerId) {
var stage = new Kinetic.Stage({
@@ -210,13 +215,12 @@ Test.Modules.DD = {
clientY: 100 + top
});
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 100,
clientY: 100 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragAfter({dragEndNode:circle});
test(circle.getPosition().x === 380, 'circle x should be 380');
test(circle.getPosition().y === 100, 'circle y should be 100');
@@ -279,13 +283,12 @@ Test.Modules.DD = {
clientY: 109 + top
});
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 210,
clientY: 109 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragAfter({dragEndNode:circle2});
//console.log(layer.toDataURL())
warn(layer.toDataURL() === dataUrls['drag layer after'], 'end data url is incorrect');
@@ -315,6 +318,7 @@ Test.Modules.EVENT = {
var click = false
text.on('click', function() {
console.log('text click');
click = true;
});
@@ -326,17 +330,18 @@ Test.Modules.EVENT = {
showHit(layer);
stage._mousedown({
clientX: 291,
clientY: 112 + top
clientX: 300,
clientY: 120 + top
});
stage._mouseup({
clientX: 291,
clientY: 112 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 300,
clientY: 120 + top
});
Kinetic.DD._endDragAfter({dragEndNode:text});
//TODO: can't get this to pass
test(click, 'click event should have been fired when mousing down and then up on text');
},
@@ -544,13 +549,12 @@ Test.Modules.EVENT = {
test(!mouseout, '3) mouseout should be false');
// mouseup inside circle
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 290,
clientY: 100 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragAfter({dragEndNode:circle});
test(mouseover, '4) mouseover should be true');
test(mousemove, '4) mousemove should be true');
@@ -575,13 +579,12 @@ Test.Modules.EVENT = {
test(!mouseout, '5) mouseout should be false');
// mouseup inside circle to trigger double click
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 290,
clientY: 100 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragAfter({dragEndNode:circle});
test(mouseover, '6) mouseover should be true');
test(mousemove, '6) mousemove should be true');
@@ -638,7 +641,7 @@ Test.Modules.EVENT = {
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
//Kinetic.DD._endDrag();
test(touchstart, '9) touchstart should be true');
test(!touchmove, '9) touchmove should be false');
@@ -669,7 +672,7 @@ Test.Modules.EVENT = {
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
//Kinetic.DD._endDrag();
test(touchstart, '11) touchstart should be true');
test(!touchmove, '11) touchmove should be false');
@@ -990,13 +993,12 @@ Test.Modules.EVENT = {
clientX: 374,
clientY: 114 + top
});
Kinetic.DD._endDragBefore();
stage._mouseup({
clientX: 374,
clientY: 114 + top
});
// end drag is tied to document mouseup and touchend event
// which can't be simulated. call _endDrag manually
Kinetic.DD._endDrag();
Kinetic.DD._endDragAfter({dragEndNode:circle});
test(e.toString() === 'circle,group1,group2,layer,stage', 'problem with event bubbling');
}
@@ -1051,24 +1053,27 @@ Test.Modules['HIT FUNCS'] = {
clientY: 112 + top
});
test(mouseovers === 0, 'mouseovers should be 0');
test(mouseouts === 0, 'mouseouts should be 0');
test(mouseovers === 0, '1) mouseovers should be 0');
test(mouseouts === 0, '1) mouseouts should be 0');
stage._mousemove({
clientX: 286,
clientY: 118 + top
});
test(mouseovers === 1, 'mouseovers should be 1');
test(mouseouts === 0, 'mouseouts should be 0');
test(mouseovers === 1, '2) mouseovers should be 1');
test(mouseouts === 0, '2)mouseouts should be 0');
stage._mousemove({
clientX: 113,
clientY: 112 + top
});
test(mouseovers === 1, 'mouseovers should be 1');
test(mouseouts === 1, 'mouseouts should be 1');
test(mouseovers === 1, '3) mouseovers should be 1');
test(mouseouts === 1, '3) mouseouts should be 1');
showHit(layer);
// set drawBufferFunc with setter
@@ -1081,32 +1086,34 @@ Test.Modules['HIT FUNCS'] = {
canvas.stroke(this);
});
layer.getHitCanvas().clear();
layer.drawHit();
// move mouse far outside circle
stage._mousemove({
clientX: 113,
clientY: 112 + top
});
test(mouseovers === 1, 'mouseovers should be 1');
test(mouseouts === 1, 'mouseouts should be 1');
test(mouseovers === 1, '4) mouseovers should be 1');
test(mouseouts === 1, '4) mouseouts should be 1');
stage._mousemove({
clientX: 286,
clientY: 118 + top
});
test(mouseovers === 1, 'mouseovers should be 1');
test(mouseouts === 1, 'mouseouts should be 1');
test(mouseovers === 1, '5) mouseovers should be 1');
test(mouseouts === 1, '5) mouseouts should be 1');
stage._mousemove({
clientX: 321,
clientY: 112 + top
});
test(mouseovers === 1, 'mouseovers should be 1');
test(mouseouts === 1, 'mouseouts should be 1');
test(mouseovers === 1, '6) mouseovers should be 1');
test(mouseouts === 1, '6) mouseouts should be 1');
// move to center of circle
stage._mousemove({
@@ -1114,7 +1121,8 @@ Test.Modules['HIT FUNCS'] = {
clientY: 112 + top
});
test(mouseovers === 2, 'mouseovers should be 2');
test(mouseouts === 1, 'mouseouts should be 1');
test(mouseovers === 2, '7) mouseovers should be 2');
test(mouseouts === 1, '7) mouseouts should be 1');
}
};