org.nakedobjects.plugins.dnd.viewer.tree.NodeSpecification Maven / Gradle / Ivy

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package org.nakedobjects.plugins.dnd.viewer.tree;

import org.nakedobjects.plugins.dnd.Content;
import org.nakedobjects.plugins.dnd.View;
import org.nakedobjects.plugins.dnd.ViewAxis;
import org.nakedobjects.plugins.dnd.ViewSpecification;
import org.nakedobjects.plugins.dnd.viewer.basic.NullFocusManager;


abstract class NodeSpecification implements ViewSpecification {
    public static final int CAN_OPEN = 1;
    public static final int CANT_OPEN = 2;
    public static final int UNKNOWN = 0;
    private ViewSpecification replacementNodeSpecification;

    public abstract int canOpen(final Content content);

    protected abstract View createNodeView(final Content content, final ViewAxis axis);

    public final View createView(final Content content, final ViewAxis axis) {
        final View view = createNodeView(content, axis);
        final TreeNodeBorder newView = new TreeNodeBorder(view, replacementNodeSpecification);
        newView.setFocusManager(new NullFocusManager());
        return newView;
    }

    public boolean isAligned() {
        return false;
    }

    public boolean isOpen() {
        return false;
    }

    public boolean isReplaceable() {
        return false;
    }
    
    public boolean isResizeable() {
        return false;
    }

    public boolean isSubView() {
        return true;
    }

    final void setReplacementNodeSpecification(final ViewSpecification replacementNodeSpecification) {
        this.replacementNodeSpecification = replacementNodeSpecification;
    }

}
// Copyright (c) Naked Objects Group Ltd.