Example usage for javax.swing.tree TreeModel getIndexOfChild

Introduction

In this page you can find the example usage for javax.swing.tree TreeModel getIndexOfChild.

Prototype

public int getIndexOfChild(Object parent, Object child);

Source Link

Document

Returns the index of child in parent.

Usage

From source file:Main.java

/**
 * Determines whether a path exists in a given tree model. For this to work,
 * the TreeModel.getIndexOfChild() method has to be correctly implemented
 *//*from ww w .j a  v a2s .co  m*/
public static boolean existsInModel(TreeModel model, TreePath path) {
    Object[] objects = path.getPath();
    if (!objects[0].equals(model.getRoot()))
        return false;
    Object prev = objects[0];
    for (int i = 1; i < objects.length; i++) {
        if (model.getIndexOfChild(prev, objects[i]) < 0)
            return false;
        prev = objects[i];
    }
    return true;
}

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