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* java/awt/ContainerOrderFocusTraversalPolicy.java (getFirstComponent): Implemented. (getLastComponent): Implemented. (getDefaultComponent): Implemented. (setImplicitDownCycleTraversal): Fixed implementation. * java/awt/Robot.java (Robot): Added documentation. * java/awt/Toolkit.java (getFontList): Deprecated. (getFontMetrics): Deprecated. (getPrintJob): Added documentation. (getSystemSelection): Added documentation. (getLockingKeyState): Added documentation. (setLockingKeyState): Added documentation. (createCustomCursor): Added documentation. (getBestCursorSize): Added documentation. (getMaximumCursorColors): Added documentation. (isFrameStateSupported): Added documentation. From-SVN: r64798
205 lines
5.6 KiB
Java
205 lines
5.6 KiB
Java
/* ContainerOrderFocusTraversalPolicy.java --
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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import java.io.Serializable;
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/**
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* @author Michael Koch
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* @since 1.4
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*/
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public class ContainerOrderFocusTraversalPolicy extends FocusTraversalPolicy
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implements Serializable
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{
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/**
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* Compatible to JDK 1.4+
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*/
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static final long serialVersionUID = 486933713763926351L;
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private boolean implicitDownCycleTraversal = true;
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/**
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* Creates the <code>ContainerOrderFocusTraversalPolicy</code> object.
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*/
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public ContainerOrderFocusTraversalPolicy()
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{
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// Nothing to do here
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}
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/**
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* Returns the Component that should receive the focus after current.
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* root must be a focus cycle root of current.
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*
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* @exception IllegalArgumentException If root is not a focus cycle
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* root of current, or if either root or current is null.
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*/
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public Component getComponentAfter(Container root, Component current)
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{
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if (root == null
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|| current == null)
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throw new IllegalArgumentException ();
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return null;
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}
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/**
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* Returns the Component that should receive the focus before current.
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* root must be a focus cycle root of current.
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*
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* @exception IllegalArgumentException If root is not a focus cycle
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* root of current, or if either root or current is null.
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*/
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public Component getComponentBefore(Container root, Component current)
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{
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if (root == null
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|| current == null)
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throw new IllegalArgumentException ();
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return null;
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}
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/**
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* Returns the first Component of root that should receive the focus.
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*
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* @exception IllegalArgumentException If root is null.
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*/
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public Component getFirstComponent(Container root)
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{
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if (root == null)
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throw new IllegalArgumentException ();
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if (!root.isVisible ()
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|| !root.isDisplayable ())
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return null;
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if (accept (root))
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return root;
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Component[] componentArray = root.getComponents ();
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for (int i = 0; i < componentArray.length; i++)
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{
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Component component = componentArray [i];
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if (component instanceof Container)
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{
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Component result = getLastComponent ((Container) component);
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if (result != null)
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return result;
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}
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else
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{
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if (accept (component))
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return component;
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}
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}
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return null;
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}
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/**
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* Returns the last Component of root that should receive the focus.
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*
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* @exception IllegalArgumentException If root is null.
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*/
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public Component getLastComponent(Container root)
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{
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if (root == null)
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throw new IllegalArgumentException ();
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if (!root.isVisible ()
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|| !root.isDisplayable ())
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return null;
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if (accept (root))
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return root;
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Component[] componentArray = root.getComponents ();
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for (int i = componentArray.length - 1; i >= 0; i++)
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{
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Component component = componentArray [i];
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if (component instanceof Container)
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{
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Component result = getLastComponent ((Container) component);
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if (result != null)
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return result;
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}
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else
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{
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if (accept (component))
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return component;
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}
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}
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return null;
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}
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/**
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* Returns the default Component of root that should receive the focus.
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*
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* @exception IllegalArgumentException If root is null.
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*/
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public Component getDefaultComponent(Container root)
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{
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return getFirstComponent (root);
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}
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public void setImplicitDownCycleTraversal(boolean value)
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{
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implicitDownCycleTraversal = value;
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}
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public boolean getImplicitDownCycleTraversal()
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{
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return implicitDownCycleTraversal;
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}
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protected boolean accept(Component current)
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{
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return (current.visible
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&& current.isDisplayable()
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&& current.enabled
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&& current.focusable);
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}
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} // class ContainerOrderFocusTraversalPolicy
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