lookup JavaFX Node by ID - Java JavaFX

Java examples for JavaFX:Node

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Description

lookup JavaFX Node by ID

Demo Code


//package com.java2s;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.control.Accordion;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.SplitPane;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.control.TitledPane;
import javafx.scene.layout.BorderPane;

public class Main {
    public static Node lookup(Node root, String id) {
        if (id.startsWith("#")) {
            id = id.substring(1);//from  w ww. j av a 2 s.  com
        }
        Node node = root.lookup('#' + id);
        if (node == null) {
            return lookupInternal(root, id);
        }
        return node;
    }

    private static Node lookupInternal(Node node, String id) {
        if (id.equals(node.getId())) {
            return node;
        }
        if (node instanceof Parent) {
            for (Node child : ((Parent) node).getChildrenUnmodifiable()) {
                Node result = lookupInternal(child, id);
                if (result != null) {
                    return result;
                }
            }
            if (node instanceof SplitPane) {
                SplitPane sp = (SplitPane) node;
                Node result = null;
                for (Node child : sp.getItems()) {
                    result = lookupInternal(child, id);
                    if (result != null) {
                        return result;
                    }
                }
            }
            if (node instanceof ScrollPane) {
                ScrollPane sp = (ScrollPane) node;
                Node result = null;
                if (sp.getContent() != null) {
                    result = lookupInternal(sp.getContent(), id);
                    if (result != null) {
                        return result;
                    }
                }
            }
            if (node instanceof BorderPane) {
                BorderPane sp = (BorderPane) node;
                Node result = null;
                if (sp.getBottom() != null) {
                    result = lookupInternal(sp.getBottom(), id);
                    if (result != null) {
                        return result;
                    }
                }
                if (sp.getTop() != null) {
                    result = lookupInternal(sp.getTop(), id);
                    if (result != null) {
                        return result;
                    }
                }
                if (sp.getLeft() != null) {
                    result = lookupInternal(sp.getLeft(), id);
                    if (result != null) {
                        return result;
                    }
                }
                if (sp.getRight() != null) {
                    result = lookupInternal(sp.getRight(), id);
                    if (result != null) {
                        return result;
                    }
                }
                if (sp.getCenter() != null) {
                    result = lookupInternal(sp.getCenter(), id);
                    if (result != null) {
                        return result;
                    }
                }
            }
            if (node instanceof TitledPane) {
                TitledPane sp = (TitledPane) node;
                Node result = null;
                if (sp.getContent() != null) {
                    result = lookupInternal(sp.getContent(), id);
                    if (result != null) {
                        return result;
                    }
                }
            }
            if (node instanceof Accordion) {
                Accordion sp = (Accordion) node;
                for (Node child : ((Accordion) node).getPanes()) {
                    Node result = lookupInternal(child, id);
                    if (result != null) {
                        return result;
                    }
                }
            }
            if (node instanceof TabPane) {
                TabPane bp = (TabPane) node;
                Node result = null;
                for (Tab tab : bp.getTabs()) {
                    result = lookupInternal(tab.getContent(), id);
                    if (result != null) {
                        return result;
                    }
                }
            }
        }
        return null;
    }
}

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