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397 lines
10 KiB
TypeScript
397 lines
10 KiB
TypeScript
import '../../../src/behavior';
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import '../../../src/shape';
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import Graph from '../../../src/graph/graph';
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const div = document.createElement('div');
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div.id = 'pan-spec';
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document.body.appendChild(div);
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const data = {
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nodes: [
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{
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id: 'node1',
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x: 50,
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y: 50,
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},
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{
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id: 'node2',
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x: 200,
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y: 50,
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},
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],
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edges: [
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{
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source: 'node1',
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target: 'node2',
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},
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],
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};
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describe('drag-canvas', () => {
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it('drag canvas', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: ['drag-canvas'],
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},
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});
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graph.data(data);
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graph.render();
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let start = false;
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graph.on('canvas:dragstart', () => {
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start = true;
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});
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graph.on('canvas:dragend', () => {
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start = false;
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});
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graph.paint();
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 200, clientY: 200 });
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expect(start).toBe(true);
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graph.emit('drag', { clientX: 250, clientY: 250 });
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expect(start).toBe(true);
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const matrix = graph.get('group').getMatrix();
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expect(matrix[6]).toEqual(100);
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expect(matrix[7]).toEqual(100);
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graph.emit('dragend', {});
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expect(start).toBe(false);
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graph.destroy();
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});
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it('prevent default drag behavior', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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shouldUpdate: () => {
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return false;
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},
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},
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],
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},
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});
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graph.data(data);
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graph.render();
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let start = false;
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graph.on('canvas:dragstart', () => {
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start = true;
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});
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graph.on('canvas:dragend', () => {
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start = false;
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});
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graph.paint();
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 200, clientY: 200 });
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expect(start).toBe(true);
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graph.emit('drag', { clientX: 250, clientY: 250 });
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expect(start).toBe(true);
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const matrix = graph.get('group').getMatrix();
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expect(matrix).toEqual(null);
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graph.emit('canvas:dragend', {});
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expect(start).toBe(false);
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graph.destroy();
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});
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it('unbind event', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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},
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],
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custom: [],
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},
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});
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graph.data(data);
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graph.render();
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let triggered = false;
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graph.setMode('custom');
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graph.on('canvas:dragstart', () => {
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triggered = true;
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});
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graph.on('canvas:dragend', () => {
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triggered = true;
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});
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 200, clientY: 200 });
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expect(triggered).toBe(false);
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graph.emit('drag', { clientX: 250, clientY: 250 });
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expect(triggered).toBe(false);
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graph.emit('dragend', { clientX: 250, clientY: 250 });
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expect(triggered).toBe(false);
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graph.destroy();
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});
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it('drag with x direction restrict', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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direction: 'x',
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},
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],
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},
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});
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graph.data(data);
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graph.render();
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let start = false;
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graph.addItem('node', { x: 100, y: 100, color: '#666', type: 'rect', id: 'test' });
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graph.on('canvas:dragstart', () => {
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start = true;
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});
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graph.on('canvas:dragend', () => {
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start = false;
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});
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graph.paint();
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 200, clientY: 200 });
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expect(start).toBe(true);
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graph.emit('drag', { clientX: 250, clientY: 250 });
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expect(start).toBe(true);
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const matrix = graph.get('group').getMatrix();
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expect(matrix[6]).toEqual(100);
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expect(matrix[7]).toEqual(0);
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graph.emit('dragend', { clientX: 200, clientY: 200 });
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expect(start).toBe(false);
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graph.destroy();
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});
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it('drag with y direction restrict', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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direction: 'y',
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},
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],
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},
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});
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let start = false;
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graph.addItem('node', { x: 100, y: 100, color: '#666', type: 'rect', id: 'test' });
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graph.paint();
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 250, clientY: 250 });
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const matrix = graph.get('group').getMatrix();
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expect(matrix[6]).toEqual(0);
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expect(matrix[7]).toEqual(100);
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graph.emit('dragend', { clientX: 250, clientY: 250 });
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graph.destroy();
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});
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it('drag offset', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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},
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],
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},
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});
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let triggered = false;
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let dragging = false;
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graph.on('canvas:dragstart', () => {
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triggered = true;
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});
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graph.on('canvas:drag', () => {
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dragging = true;
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});
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 150, clientY: 150 });
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expect(triggered).toBe(false);
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expect(dragging).toBe(false);
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graph.emit('drag', { clientX: 160, clientY: 160 });
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expect(triggered).toBe(true);
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graph.emit('drag', { clientX: 170, clientY: 180 });
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expect(dragging).toBe(true);
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dragging = false;
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graph.emit('canvas:click', { clientX: 170, clientY: 170 });
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graph.emit('drag', { clientX: 170, clientY: 170 });
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expect(dragging).toBe(false);
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graph.destroy();
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});
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it('drag with keydown', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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},
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],
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},
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});
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let triggered = false;
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let dragging = false;
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graph.on('canvas:dragstart', () => {
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triggered = true;
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});
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graph.on('canvas:drag', () => {
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dragging = true;
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});
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// mouse down and up without moving
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('dragend', { clientX: 150, clientY: 150 });
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expect(triggered).toBe(false);
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expect(dragging).toBe(false);
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graph.emit('keydown', { key: 'shift' });
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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expect(triggered).toBe(false);
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expect(dragging).toBe(false);
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graph.emit('drag', { clientX: 160, clientY: 160 });
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expect(triggered).toBe(false);
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graph.emit('dragend', { clientX: 160, clientY: 160 });
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expect(triggered).toBe(false);
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graph.emit('keyup', { key: 'shift' });
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 150, clientY: 150 });
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expect(triggered).toBe(false);
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expect(dragging).toBe(false);
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graph.emit('drag', { clientX: 160, clientY: 160 });
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expect(triggered).toBe(true);
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graph.destroy();
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});
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it('drag with keydown code invalid', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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},
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],
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},
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});
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let triggered = false;
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graph.on('canvas:dragstart', () => {
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triggered = true;
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});
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graph.emit('keydown', {}); // key undefined
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('dragend', { clientX: 160, clientY: 160 });
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expect(triggered).toBe(false);
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graph.emit('keyup', {});
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graph.emit('keydown', { key: 'abc' }); // key invalid
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('dragend', { clientX: 160, clientY: 160 });
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expect(triggered).toBe(false);
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graph.emit('keyup', {});
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graph.destroy();
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});
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it('drag out of canvas', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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},
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],
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},
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});
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 550, clientY: 550 });
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graph.emit('canvas:mouseleave', { target: graph.get('canvas').get('el') });
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// dragend out of the canvas
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const event = document.createEvent('MouseEvents');
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event.initMouseEvent(
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'dragend',
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true,
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true,
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document.defaultView,
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0,
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0,
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0,
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550,
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550, // clientX = 550, clientY = 550
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false,
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false,
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false,
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false,
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0,
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null,
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);
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document.body.dispatchEvent(event);
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const movedMatrix = graph
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.get('canvas')
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.get('children')[0]
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.getMatrix();
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expect(movedMatrix[6]).toEqual(400);
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expect(movedMatrix[7]).toEqual(400);
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});
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it('drag out of canvas, but it is not dragging', () => {
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const graph = new Graph({
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container: div,
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width: 500,
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height: 500,
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modes: {
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default: [
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{
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type: 'drag-canvas',
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},
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],
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},
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});
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graph.emit('dragstart', { clientX: 150, clientY: 150 });
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graph.emit('drag', { clientX: 350, clientY: 350 });
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graph.emit('dragend', { clientX: 350, clientY: 350 });
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graph.emit('canvas:mouseleave', { target: graph.get('canvas').get('el') });
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// dragend out of the canvas
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const event = document.createEvent('MouseEvents');
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event.initMouseEvent(
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'dragend',
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true,
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true,
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document.defaultView,
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0,
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0,
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0,
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550,
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550, // clientX = 550, clientY = 550
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false,
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false,
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false,
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false,
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0,
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null,
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);
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document.body.dispatchEvent(event);
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const movedMatrix = graph
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.get('canvas')
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.get('children')[0]
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.getMatrix();
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expect(movedMatrix[6]).toEqual(200);
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expect(movedMatrix[7]).toEqual(200);
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});
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});
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