mirror of
https://gitee.com/antv/g6.git
synced 2024-12-16 02:21:25 +08:00
108 lines
2.9 KiB
HTML
108 lines
2.9 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>交互-模式与行为</title>
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</head>
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<body>
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<button id="changeMode">切换模式</button>
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<div id="mountNode"></div>
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说明：事件在 G6 中是粒度最小的交互接口，一般最简单的交互，我们可以直接通过写事件完成。但在一些交互非常复杂的场景里，我们往往比较难管理各个事件之间信号量的传递。针对复杂交互的场景，G6 总结了一套行为模式的解决方案。
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</br>
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</br>
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这套方案简单介绍就是：事件组成行为，行为构成模式。我们可以通过事件实现任何粒度的交互组成行为，再通过不同行为的组合，得出模式。通过模式的切换，我们可以将不同的交互很轻易分离开来，从而规避大量信号量的传递。
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<script src="../build/g6.js"></script>
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<script>
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// 注册鼠标进入节点变红的行为
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G6.registerBehaviour('mouseEnterFillRed', graph => {
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graph.behaviourOn('node:mouseenter', ev => {
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graph.update(ev.item, {
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color: 'red'
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});
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});
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});
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// 注册鼠标进入节点变绿的行为
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G6.registerBehaviour('mouseEnterFillGreen', graph => {
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graph.behaviourOn('node:mouseenter', ev => {
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graph.update(ev.item, {
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color: 'green'
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});
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});
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});
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// 注册鼠标移出节点变原色的行为
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G6.registerBehaviour('mouseLeaveResetFill', graph => {
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graph.behaviourOn('node:mouseleave', ev => {
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graph.update(ev.item, {
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color: '#1890FF'
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});
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});
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});
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const data = {
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nodes: [{
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id: '事件',
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x: 80,
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y: 150,
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}, {
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id: '行为',
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x: 200,
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y: 150
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}, {
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id: '模式',
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x: 320,
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y: 150
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}],
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edges: [{
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source: '事件',
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target: '行为',
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label: '组成'
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}, {
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source: '行为',
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target: '模式',
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label: '组成'
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}]
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};
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let mode = 'red';
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const graph = new G6.Graph({
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container: 'mountNode',
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fitView: 'cc',
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height: window.innerHeight,
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modes: {
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red: ['mouseEnterFillRed', 'mouseLeaveResetFill'],
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green: ['mouseEnterFillGreen', 'mouseLeaveResetFill']
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},
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mode,
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});
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graph.node({
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label(model) {
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return model.id;
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}
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});
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graph.edge({
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style() {
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return {
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endArrow: true
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};
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}
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});
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graph.read(data);
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// 点击按钮切换模式
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document.getElementById('changeMode').onclick = () => {
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if (mode === 'red') {
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graph.changeMode('green');
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mode = 'green';
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} else {
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graph.changeMode('red');
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mode = 'red';
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}
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};
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</script>
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</body>
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</html>
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