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@ChinW
Last active July 9, 2019 01:20
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const screen_width = 1000;
const screen_height = 800;
const node_size = 20;
const relation = {
out: {
l1: [
tx1, // near
tx2 // far
]
},
in: {
r1 : [
tx1, // near
tx2, // far
tx3
]
}
}
var nodes = [];
var edges = [];
var centerNode = {
id: 'center',
x: screen_width / 2,
y: screen_height / 2,
shape: 'center-node',
size: node_size
};
const nodeDistance = 40;
nodes.push(centerNode);
// 左侧添加 4 个节点
// left
const outSize = Object.keys(relation.out).length;
const topY = centerNode.y - outSize / 2 * nodeDistance;
Object.keys(relation.out).maps((ptyName, index) => {
const ptyTxs = relation.out[ptyName];
ptyTxs.map((tx, txInde) => {
nodes.push({
id: `${ptyName}-${txIndex}`,
x: centerNode.x - nodeDistance * index,
y: topY + itxIndex * nodeDistance,
shape: 'leaf-node'
});
edges.push({
source: nodes[node.length -1].id,
target: txIndex < 1 ? 'center' : nodes[node.length -2].id,
shape: 'can-running'
});
})
})
for (var i = 0; i < 4; i++) {
var id = 'left' + i;
nodes.push({
id: id,
x: 250,
y: (i + 1) * 100 + 50,
shape: 'leaf-node'
});
edges.push({
source: id,
target: 'center',
shape: 'can-running'
});
}
for (var i = 0; i < 6; i++) {
var _id = 'right' + i;
nodes.push({
id: _id,
x: 750,
label: _id,
y: i * 100 + 50,
shape: 'leaf-node'
});
edges.push({
label: "test",
source: 'center',
target: _id,
shape: 'can-running'
});
}
G6.registerNode('leaf-node', {
afterDraw: function afterDraw(cfg, group) {
group.addShape('circle', {
attrs: {
x: 0,
y: 0,
r: 5,
fill: cfg.color || '#666'
}
});
},
getAnchorPoints: function getAnchorPoints() {
return [[0, 0.5], [1, 0.5]];
}
}, 'circle');
// 右侧添加 6 个节点
G6.registerNode('center-node', {
afterDraw: function afterDraw(cfg, group) {
var r = cfg.size / 2;
var back1 = group.addShape('circle', {
zIndex: -3,
attrs: {
x: 0,
y: 0,
r: r + 10,
fill: 'gray',
opacity: 0.4
}
});
var back2 = group.addShape('circle', {
zIndex: -2,
attrs: {
x: 0,
y: 0,
r: r + 20,
fill: 'gray', // 为了显示清晰,随意设置了颜色
opacity: 0.2
}
});
group.sort();
},
getAnchorPoints: function getAnchorPoints() {
return [[0, 0.5], [1, 0.5]];
}
}, 'circle');
// lineDash 的差值,可以在后面提供 util 方法自动计算
var dashArray = [[0, 1], [0, 2], [1, 2], [0, 1, 1, 2], [0, 2, 1, 2], [1, 2, 1, 2], [2, 2, 1, 2], [3, 2, 1, 2], [4, 2, 1, 2]];
var lineDash = [4, 2, 1, 2];
var interval = 9;
G6.registerEdge('can-running', {
setState: function setState(name, value, item) {
var shape = item.get('keyShape');
if (name === 'running') {
if (value) {
var length = shape.getTotalLength(); // 后续 G 增加 totalLength 的接口
var totalArray = [];
for (var i = 0; i < length; i += interval) {
totalArray = totalArray.concat(lineDash);
}
var index = 0;
shape.animate({
onFrame: function onFrame(ratio) {
var cfg = {
lineDash: dashArray[index].concat(totalArray)
};
index = (index + 1) % interval;
return cfg;
},
repeat: true
}, 3000);
} else {
shape.stopAnimate();
shape.attr('lineDash', null);
}
}
}
}, 'cubic-horizontal');
var graph = new G6.Graph({
container: 'mountNode',
width: window.innerWidth,
height: window.innerHeight,
edgeStyle: {
default: {
stroke: '#b5b5b5'
}
}
});
graph.data({
nodes: nodes,
edges: edges
});
graph.render();
graph.fitView();
graph.on('node:mouseenter', function(ev) {
var node = ev.item;
var edges = node.getEdges();
edges.forEach(function(edge) {
return graph.setItemState(edge, 'running', true);
});
});
graph.on('node:mouseleave', function(ev) {
var node = ev.item;
var edges = node.getEdges();
edges.forEach(function(edge) {
return graph.setItemState(edge, 'running', false);
});
});
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