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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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package com.apple.laf;

import java.awt.*;

import javax.swing.*;

import javax.swing.border.Border;

import javax.swing.plaf.UIResource;

import javax.swing.text.JTextComponent;

import apple.laf.*;

import apple.laf.JRSUIConstants.*;

import com.apple.laf.AquaUtilControlSize.*;

public abstract class AquaBorder implements Border, UIResource {

    protected final AquaPainter<? extends JRSUIState> painter;

    protected final SizeDescriptor sizeDescriptor;

    protected SizeVariant sizeVariant;

    protected AquaBorder(final SizeDescriptor sizeDescriptor) {

        this.sizeDescriptor = sizeDescriptor;

        this.sizeVariant = sizeDescriptor.get(Size.REGULAR);

        this.painter = createPainter();

    }

    protected AquaPainter<? extends JRSUIState> createPainter() {

        final AquaPainter<JRSUIState> painter = AquaPainter.create(JRSUIState.getInstance());

        painter.state.set(AlignmentVertical.CENTER);

        painter.state.set(AlignmentHorizontal.CENTER);

        return painter;

    }

    protected AquaBorder(final AquaBorder other) {

        this.sizeDescriptor = other.sizeDescriptor;

        this.sizeVariant = other.sizeVariant;

        this.painter = AquaPainter.create(other.painter.state.derive());

        painter.state.set(AlignmentVertical.CENTER);

        painter.state.set(AlignmentHorizontal.CENTER);

    }

    protected void setSize(final Size size) {

        sizeVariant = sizeDescriptor.get(size);

        painter.state.set(size);

    }

    public Insets getBorderInsets(final Component c) {

    }

    protected AquaBorder deriveBorderForSize(final Size size) {

        try {

            final Class<? extends AquaBorder> clazz = getClass();

            final AquaBorder border = clazz.getConstructor(new Class<?>[] { clazz }).newInstance(new Object[] { this });

            border.setSize(size);

            return border;

        } catch (final Throwable e) {

            return null;

        }

    }

    public static void repaintBorder(final JComponent c) {

        JComponent borderedComponent = c;

        Border border = c.getBorder();

        if (border == null) {

            // See if it's inside a JScrollpane or something

            final Container p = c.getParent();

            if (p instanceof JViewport) {

                borderedComponent = (JComponent)p.getParent();

                if (borderedComponent != null) border = borderedComponent.getBorder();

            }

        }

        // If we really don't have a border, then bail

        // It might be a compound border with a ThemeBorder inside

        // The check for that case is tricky, so we just go ahead and repaint any border

        if (border == null || borderedComponent == null) return;

        final int width = borderedComponent.getWidth();

        final int height = borderedComponent.getHeight();

        final Insets i = borderedComponent.getInsets();

        borderedComponent.repaint(0, 0, width, i.top); // Top edge

        borderedComponent.repaint(0, 0, i.left, height); // Left edge

        borderedComponent.repaint(0, height - i.bottom, width, i.bottom); // Bottom edge

        borderedComponent.repaint(width - i.right, 0, i.right, height); // Right edge

    }

    // The JScrollPane doesn't let us know if its viewport view has focus

    protected boolean isFocused(final Component c) {

        // Being really paranoid in case this Component isn't a Swing component

        Component focusable = c;

        if (c instanceof JScrollPane) {

            final JViewport vp = ((JScrollPane)c).getViewport();

            if (vp != null) {

                focusable = vp.getView();

                // Lists, Tables & Trees get focus rings, TextAreas don't (JBuilder puts TextField border on TextAreas)

                if (focusable instanceof JTextComponent) return false;

            }

        } else if (focusable instanceof JTextComponent) {

            // non-editable text areas don't draw the focus ring

            if (!((javax.swing.text.JTextComponent)focusable).isEditable()) return false;

        }

        return (focusable != null && focusable instanceof JComponent && ((JComponent)focusable).hasFocus());

    }

    public boolean isBorderOpaque() { return false; }

    public void paintBorder(final Component c, final Graphics g, final int x, final int y, final int w, final int h) {

        painter.paint(g, c, x, y, w, h);

    }

    static class Default extends AquaBorder {

        Default() { super(new SizeDescriptor(new SizeVariant())); }

    }

}