Method setChecked

src/tree/model/node.js:262–293

(value, deep)

  }

  setChecked(value, deep) {
    this.indeterminate = value === 'half';
    this.checked = value === true;

    const handleDescendants = () => {
      if (deep) {
        const childNodes = this.childNodes;
        for (let i = 0, j = childNodes.length; i < j; i++) {
          const child = childNodes[i];
          child.setChecked(value !== false, deep);
        }
      }
    };

    if (!this.store.checkStrictly && this.shouldLoadData()) {
      // Only work on lazy load data.
      this.loadData(() => {
        handleDescendants();
      }, {
        checked: value !== false
      });
    } else {
      handleDescendants();
    }

    const parent = this.parent;
    if (!parent || parent.level === 0) return;

    if (!this.store.checkStrictly) {
      reInitChecked(parent);
    }
  }

  getChildren() { // this is data
    const data = this.data;