希望提供自定义树布局和递归渲染的能力

[jiankafei]

功能描述

提供一个自定义树布局渲染接口，接口包含以下几个方面：

1. 提供渲染数据
2. 自定义兄弟节点之间的连接方式
3. 自定义父子之间的连接方式
4. 对有children属性的节点进行递归渲染
5. 节点之间的距离内部自动计算

如此，即可实现用户自定义树布局的渲染。用户不用去费劲处理children的渲染逻辑。

期望解决方案

graph.customTreeRender({
  startX: 100,
  startY: 100,
  data: [
    { shap: '', labelText: '', children: [
       { shap: '', labelText: '', children: [] }
    ] },
    { shap: '', labelText: '', children: [
       { shap: '', labelText: '', children: [] }
    ] },
  ],
  renderNode: (data, startPos) => {}, // 返回一个node节点
  toBrotherEdge: (brData1, brData2) => {}, // 返回兄弟节点间的edge或null
  toChildEdge: (parentData, childData) => {}, // 返回父子间的一个edge或null
  childrenAlignToParent: 'top', // top, bottom, middle, left, right, center, 定义子列相对于父节点的位置
  offset: [x, y], // 定义在childrenAlignToParent基础上子列的相对偏移量
  rankSep: () => {}, // 层间距
  nodeBaseSep: () => {}, // 节点基础间距
  canCollapse: true|false, //是否可以收起展开
  frozenLayout: true|false, // 是否冻结布局
});

[x6-bot]

👋 @jiankafei

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[NewByVector]

非常好的建议，我们考虑后面会加在 layout 插件中。

[NewByVector]

与 #2972 重复。

[yjz321]

@NewByVector 请问目前插件中有实现这块功能吗

[x6-bot]

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