konva/test/unit/DragAndDropEvents-test.ts
2021-05-05 09:19:24 -05:00

612 lines
13 KiB
TypeScript

import { assert } from 'chai';
import {
addStage,
Konva,
simulateMouseDown,
simulateMouseMove,
simulateMouseUp,
} from './test-utils';
describe('DragAndDropEvents', function () {
// ======================================================
it('test dragstart, dragmove, dragend', function (done) {
var stage = addStage();
var layer = new Konva.Layer();
var greenCircle = new Konva.Circle({
x: 40,
y: 40,
radius: 20,
strokeWidth: 4,
fill: 'green',
stroke: 'black',
opacity: 0.5,
});
var circle = new Konva.Circle({
x: 380,
y: stage.height() / 2,
radius: 70,
strokeWidth: 4,
fill: 'red',
stroke: 'black',
opacity: 0.5,
});
circle.setDraggable(true);
layer.add(circle);
layer.add(greenCircle);
stage.add(layer);
var dragStart = false;
var dragMove = false;
var dragEnd = false;
var events = [];
circle.on('dragstart', function () {
dragStart = true;
});
circle.on('dragmove', function () {
dragMove = true;
});
circle.on('dragend', function () {
dragEnd = true;
events.push('dragend');
});
circle.on('mouseup', function () {
events.push('mouseup');
});
assert(!Konva.isDragging(), ' isDragging() should be false 1');
assert(!Konva.isDragReady(), ' isDragReady()) should be false 2');
/*
* simulate drag and drop
*/
simulateMouseDown(stage, {
x: 380,
y: 98,
});
assert(!dragStart, 'dragstart event should not have been triggered 3');
//assert.equal(!dragMove, 'dragmove event should not have been triggered');
assert(!dragEnd, 'dragend event should not have been triggered 4');
assert(!Konva.isDragging(), ' isDragging() should be false 5');
assert(Konva.isDragReady(), ' isDragReady()) should be true 6');
setTimeout(function () {
simulateMouseMove(stage, {
x: 385,
y: 98,
});
assert(Konva.isDragging(), ' isDragging() should be true 7');
assert(Konva.isDragReady(), ' isDragReady()) should be true 8');
assert(dragStart, 'dragstart event was not triggered 9');
//assert.equal(dragMove, 'dragmove event was not triggered');
assert(!dragEnd, 'dragend event should not have been triggered 10');
simulateMouseUp(stage, {
x: 385,
y: 98,
});
assert(dragStart, 'dragstart event was not triggered 11');
assert(dragMove, 'dragmove event was not triggered 12');
assert(dragEnd, 'dragend event was not triggered 13');
assert.equal(
events.toString(),
'mouseup,dragend',
'mouseup should occur before dragend 14'
);
assert(!Konva.isDragging(), ' isDragging() should be false 15');
assert(!Konva.isDragReady(), ' isDragReady()) should be false 16');
//console.log(greenCircle.getPosition());
//console.log(circle.getPosition());
assert.equal(greenCircle.x(), 40, 'green circle x should be 40');
assert.equal(greenCircle.y(), 40, 'green circle y should be 40');
assert.equal(circle.x(), 385, 'circle x should be 100');
assert.equal(circle.y(), 100, 'circle y should be 100');
done();
}, 20);
});
// ======================================================
it('destroy shape while dragging', function (done) {
var stage = addStage();
var layer = new Konva.Layer();
var greenCircle = new Konva.Circle({
x: 40,
y: 40,
radius: 20,
strokeWidth: 4,
fill: 'green',
stroke: 'black',
opacity: 0.5,
});
var circle = new Konva.Circle({
x: 380,
y: stage.height() / 2,
radius: 70,
strokeWidth: 4,
fill: 'red',
stroke: 'black',
opacity: 0.5,
});
circle.setDraggable(true);
layer.add(circle);
layer.add(greenCircle);
stage.add(layer);
var dragEnd = false;
circle.on('dragend', function () {
dragEnd = true;
});
assert(!Konva.isDragging(), ' isDragging() should be false');
assert(!Konva.isDragReady(), ' isDragReady()) should be false');
simulateMouseDown(stage, {
x: 380,
y: 98,
});
assert(!circle.isDragging(), 'circle should not be dragging');
setTimeout(function () {
simulateMouseMove(stage, {
x: 100,
y: 98,
});
assert(circle.isDragging(), 'circle should be dragging');
assert(!dragEnd, 'dragEnd should not have fired yet');
// at this point, we are in drag and drop mode
// removing or destroying the circle should trigger dragend
circle.destroy();
layer.draw();
assert(
!circle.isDragging(),
'destroying circle should stop drag and drop'
);
assert(dragEnd, 'dragEnd should have fired');
done();
}, 20);
});
// ======================================================
it('click should not occur after drag and drop', function (done) {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: 40,
y: 40,
radius: 20,
strokeWidth: 4,
fill: 'green',
stroke: 'black',
draggable: true,
});
layer.add(circle);
stage.add(layer);
var clicked = false;
circle.on('click', function () {
//console.log('click');
clicked = true;
});
circle.on('dblclick', function () {
//console.log('dblclick');
});
simulateMouseDown(stage, {
x: 40,
y: 40,
});
setTimeout(function () {
simulateMouseMove(stage, {
x: 100,
y: 100,
});
simulateMouseUp(stage, {
x: 100,
y: 100,
});
assert(!clicked, 'click event should not have been fired');
done();
}, 20);
});
// ======================================================
it('drag and drop distance', function (done) {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: 40,
y: 40,
radius: 20,
strokeWidth: 4,
fill: 'green',
stroke: 'black',
draggable: true,
});
layer.add(circle);
stage.add(layer);
circle.dragDistance(4);
simulateMouseDown(stage, {
x: 40,
y: 40,
});
setTimeout(function () {
simulateMouseMove(stage, {
x: 40,
y: 42,
});
assert(!circle.isDragging(), 'still not dragging');
simulateMouseMove(stage, {
x: 40,
y: 45,
});
assert(circle.isDragging(), 'now circle is dragging');
simulateMouseUp(stage, {
x: 41,
y: 45,
});
done();
}, 20);
});
// ======================================================
it('cancel drag and drop by setting draggable to false', function (done) {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: 380,
y: 100,
radius: 70,
strokeWidth: 4,
fill: 'red',
stroke: 'black',
draggable: true,
});
var dragStart = false;
var dragMove = false;
var dragEnd = false;
circle.on('dragstart', function () {
dragStart = true;
});
circle.on('dragmove', function () {
dragMove = true;
});
circle.on('dragend', function () {
dragEnd = true;
});
circle.on('mousedown', function () {
circle.setDraggable(false);
});
layer.add(circle);
stage.add(layer);
/*
* simulate drag and drop
*/
simulateMouseDown(stage, {
x: 380,
y: 100,
});
setTimeout(function () {
simulateMouseMove(stage, {
x: 100,
y: 100,
});
simulateMouseUp(stage, {
x: 100,
y: 100,
});
assert.equal(circle.getPosition().x, 380, 'circle x should be 380');
assert.equal(circle.getPosition().y, 100, 'circle y should be 100');
done();
}, 20);
});
// ======================================================
it('drag and drop layer', function (done) {
var stage = addStage();
var layer = new Konva.Layer({
sceneFunc: function () {
var context = this.getContext();
context.beginPath();
context.moveTo(200, 50);
context.lineTo(420, 80);
context.quadraticCurveTo(300, 100, 260, 170);
context.closePath();
context.fillStyle = 'blue';
context.fill(context);
},
draggable: true,
});
var circle1 = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'red',
});
var circle2 = new Konva.Circle({
x: 400,
y: stage.height() / 2,
radius: 70,
fill: 'green',
});
layer.add(circle1);
layer.add(circle2);
stage.add(layer);
/*
* simulate drag and drop
*/
simulateMouseDown(stage, {
x: 399,
y: 96,
});
setTimeout(function () {
simulateMouseMove(stage, {
x: 210,
y: 109,
});
simulateMouseUp(stage, {
x: 210,
y: 109,
});
//console.log(layer.getPosition())
assert.equal(layer.x(), -189, 'layer x should be -189');
assert.equal(layer.y(), 13, 'layer y should be 13');
done();
}, 20);
});
// ======================================================
it('drag and drop stage', function (done) {
var stage = addStage({ draggable: true });
//stage.setDraggable(true);
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: 100,
y: 100,
radius: 70,
fill: 'red',
});
layer.add(circle);
stage.add(layer);
assert.equal(stage.x(), 0);
assert.equal(stage.y(), 0);
/*
* simulate drag and drop
*/
simulateMouseDown(stage, {
x: 0,
y: 100,
});
setTimeout(function () {
simulateMouseMove(stage, {
x: 300,
y: 110,
});
simulateMouseUp(stage, {
x: 300,
y: 110,
});
assert.equal(stage.x(), 300);
assert.equal(stage.y(), 10);
done();
}, 20);
});
it('click should not start drag&drop', function () {
var stage = addStage();
var layer = new Konva.Layer({
draggable: true,
});
var circle = new Konva.Circle({
x: 70,
y: 70,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
layer.add(circle);
stage.add(layer);
var dragstart = 0;
circle.on('dragstart', function () {
dragstart += 1;
});
var dragmove = 0;
circle.on('dragmove', function () {
dragmove += 1;
});
var dragend = 0;
circle.on('dragend', function () {
dragend += 1;
});
var click = 0;
circle.on('click', function () {
click += 1;
});
simulateMouseDown(stage, { x: 70, y: 70 });
simulateMouseUp(stage, { x: 70, y: 70 });
assert.equal(click, 1, 'click triggered');
assert.equal(dragstart, 0, 'dragstart not triggered');
assert.equal(dragmove, 0, 'dragmove not triggered');
assert.equal(dragend, 0, 'dragend not triggered');
});
it('drag&drop should not fire click', function () {
var stage = addStage();
var layer = new Konva.Layer({
draggable: true,
});
var circle = new Konva.Circle({
x: 70,
y: 70,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
layer.add(circle);
stage.add(layer);
var dragstart = 0;
circle.on('dragstart', function () {
dragstart += 1;
});
var dragmove = 0;
circle.on('dragmove', function () {
dragmove += 1;
});
var dragend = 0;
circle.on('dragend', function () {
dragend += 1;
});
var click = 0;
circle.on('click', function () {
click += 1;
});
simulateMouseDown(stage, { x: 70, y: 70 });
simulateMouseMove(stage, { x: 80, y: 80 });
simulateMouseUp(stage, { x: 80, y: 80 });
assert.equal(click, 0, 'click triggered');
assert.equal(dragstart, 1, 'dragstart not triggered');
assert.equal(dragmove, 1, 'dragmove not triggered');
assert.equal(dragend, 1, 'dragend not triggered');
});
it('drag events should not trigger on a click even if we stop drag on dragstart', function () {
var stage = addStage();
var layer = new Konva.Layer({
draggable: true,
});
var circle = new Konva.Circle({
x: 70,
y: 70,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
layer.add(circle);
stage.add(layer);
var dragstart = 0;
circle.on('dragstart', function () {
circle.stopDrag();
dragstart += 1;
});
var dragmove = 0;
circle.on('dragmove', function () {
dragmove += 1;
});
var dragend = 0;
circle.on('dragend', function () {
dragend += 1;
});
var click = 0;
circle.on('click', function () {
click += 1;
});
simulateMouseDown(stage, { x: 70, y: 70 });
simulateMouseMove(stage, { x: 75, y: 75 });
simulateMouseUp(stage, { x: 75, y: 75 });
assert.equal(click, 0, 'click triggered');
assert.equal(dragstart, 1, 'dragstart triggered');
assert.equal(dragmove, 0, 'dragmove not triggered');
assert.equal(dragend, 1, 'dragend triggered');
});
});