46 lines
920 B
Java
46 lines
920 B
Java
package com.imyeyu.fx.ui.components;
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import com.imyeyu.fx.utils.SmoothScroll;
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import javafx.collections.ObservableList;
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import javafx.scene.control.TreeItem;
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import javafx.scene.control.TreeView;
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/**
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* 不显示根节点的树形结构，实现多个根节点
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*
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* @author 夜雨
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* @since 2021-04-26 01:34
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*/
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public class XTreeView<T> extends TreeView<T> {
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private final TreeItem<T> dummyRoot = new TreeItem<>();
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/** 默认构造 */
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public XTreeView() {
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dummyRoot.setExpanded(true);
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setRoot(dummyRoot);
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setShowRoot(false);
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// 平滑滚动
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SmoothScroll.virtual(this);
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}
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/**
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* 设置根节点
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*
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* @param roots 根节点
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*/
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@SafeVarargs
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public final void setRoots(TreeItem<T>... roots) {
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dummyRoot.getChildren().addAll(roots);
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}
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/**
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* 获取根节点列表
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*
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* @return 根节点列表
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*/
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public ObservableList<TreeItem<T>> getRoots() {
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return dummyRoot.getChildren();
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}
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}
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