@antv/f6/es/behavior/tooltip.js

A Mobile Graph Visualization Framework in JavaScript

export default {
  getDefaultCfg: function getDefaultCfg() {
    return {
      item: 'node',
      offset: 12,
      formatText: function formatText(model) {
        return model.label;
      }
    };
  },
  getEvents: function getEvents() {
    return {
      'node:press': 'onPress',
      actionend: 'onPressEnd'
    };
  },
  onPress: function onPress(e) {
    var item = e.item;
    this.currentTarget = item;
    this.showTooltip(e);
    this.graph.emit('tooltipchange', {
      item: e.item,
      action: 'show'
    });
  },
  onPressEnd: function onPressEnd(e) {
    if (!this.shouldEnd(e)) {
      return;
    }
    this.hideTooltip();
    this.graph.emit('tooltipchange', {
      item: this.currentTarget,
      action: 'hide'
    });
    this.currentTarget = null;
  },
  showTooltip: function showTooltip(e) {
    // 绘制tip
  },
  hideTooltip: function hideTooltip() {
    // 隐藏tip
  }
};