diff --git a/core/src/main/java/org/pbjar/jxlayer/plaf/ext/AbstractLayerUI.java b/core/src/main/java/org/pbjar/jxlayer/plaf/ext/AbstractLayerUI.java index 9de884a8..7018f959 100644 --- a/core/src/main/java/org/pbjar/jxlayer/plaf/ext/AbstractLayerUI.java +++ b/core/src/main/java/org/pbjar/jxlayer/plaf/ext/AbstractLayerUI.java @@ -1,32 +1,24 @@ /* - * Copyright (c) 2006-2009, Alexander Potochkin - * All rights reserved. + * Copyright (c) 2006-2009, Alexander Potochkin All rights reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: + * Redistribution and use in source and binary forms, with or without modification, are permitted + * provided that the following conditions are met: * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * * Neither the name of the JXLayer project nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. + * * Redistributions of source code must retain the above copyright notice, this list of conditions + * and the following disclaimer. * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. * Neither the name of the JXLayer project nor the names + * of its contributors may be used to endorse or promote products derived from this software without + * specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY + * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.pbjar.jxlayer.plaf.ext; @@ -38,71 +30,68 @@ import java.awt.event.KeyEvent; import java.awt.event.MouseEvent; import java.awt.event.MouseWheelEvent; import java.awt.geom.AffineTransform; +import java.beans.PropertyChangeListener; import java.util.Collections; import java.util.HashMap; import java.util.Map; -import java.beans.PropertyChangeEvent; /** - * The {@code AbstractLayerUI} provided default implementation for most - * of the abstract methods in the {@link LayerUI} class. - * It takes care of the management of {@code LayerItemListener}s and - * defines the hook method to configure the {@code Graphics2D} instance - * specified in the {@link #paint(Graphics,JComponent)} method. - * It also provides convenient methods named + * The {@code AbstractLayerUI} provided default implementation for most of the abstract methods in + * the {@link LayerUI} class. It takes care of the management of {@code LayerItemListener}s and + * defines the hook method to configure the {@code Graphics2D} instance specified in the + * {@link #paint(Graphics,JComponent)} method. It also provides convenient methods named * {@code processEvent} to process the given class of event. *

- * If state of the {@code AbstractLayerUI} is changed, call {@link #setDirty(boolean)} - * with {@code true} as the parameter, it will repaint all {@code JLayer}s - * connected with this {@code AbstractLayerUI} + * If state of the {@code AbstractLayerUI} is changed, call {@link #setDirty(boolean)} with + * {@code true} as the parameter, it will repaint all {@code JLayer}s connected with this + * {@code AbstractLayerUI} * * @see JLayer#setUI(LayerUI) */ public abstract class AbstractLayerUI - extends LayerUI { + extends LayerUI { private static final Map emptyRenderingHintMap = - Collections.unmodifiableMap(new HashMap<>(0)); + Collections.unmodifiableMap(new HashMap<>(0)); private boolean dirty; private LayoutManager layoutManager; + private JComponent installedComponent; + private final PropertyChangeListener dirtyListener = e -> { + if (installedComponent != null && (!"dirty".equals(e.getPropertyName()) + || e.getNewValue() == Boolean.TRUE)) { + installedComponent.repaint(); + } + }; - public void installUI(JComponent c) { + public void installUI(final JComponent c) { super.installUI(c); + installedComponent = c; + addPropertyChangeListener(dirtyListener); ((JLayer) c).setLayerEventMask(getLayerEventMask()); } - public void uninstallUI(JComponent c) { + public void uninstallUI(final JComponent c) { super.uninstallUI(c); ((JLayer) c).setLayerEventMask(0); + removePropertyChangeListener(dirtyListener); + installedComponent = null; } /** - * {@inheritDoc} - */ - public void handlePropertyChangeEvent(PropertyChangeEvent evt, JLayer l) { - if (!"dirty".equals(evt.getPropertyName()) - || evt.getNewValue() == Boolean.TRUE) { - l.repaint(); - } - } - - /** - * Returns the "dirty bit". - * If {@code true}, then the {@code AbstractLayerUI} is considered dirty + * Returns the "dirty bit". If {@code true}, then the {@code AbstractLayerUI} is considered dirty * and in need of being repainted. * - * @return {@code true} if the {@code AbstractLayerUI} state has changed - * and the {@link JLayer}s it is set to need to be repainted. + * @return {@code true} if the {@code AbstractLayerUI} state has changed and the {@link JLayer}s it + * is set to need to be repainted. */ protected boolean isDirty() { return dirty; } /** - * Sets the "dirty bit". - * If {@code isDirty} is {@code true}, then the {@code AbstractLayerUI} - * is considered dirty and it triggers the repainting - * of the {@link JLayer}s this {@code AbstractLayerUI} it is set to. + * Sets the "dirty bit". If {@code isDirty} is {@code true}, then the {@code AbstractLayerUI} is + * considered dirty and it triggers the repainting of the {@link JLayer}s this + * {@code AbstractLayerUI} it is set to. * * @param isDirty whether this {@code AbstractLayerUI} is dirty or not. */ @@ -115,13 +104,12 @@ public abstract class AbstractLayerUI /** * {@inheritDoc} *

- * Note: It is rarely necessary to override this method, for - * custom painting override {@link #paintLayer(Graphics2D,JLayer)} instead + * Note: It is rarely necessary to override this method, for custom painting override + * {@link #paintLayer(Graphics2D,JLayer)} instead *

* This method configures the passed {@code Graphics} with help of the - * {@link #configureGraphics(Graphics2D,JLayer)} method, - * then calls {@code paintLayer(Graphics2D,JLayer)} - * and resets the "dirty bit" at the end. + * {@link #configureGraphics(Graphics2D,JLayer)} method, then calls + * {@code paintLayer(Graphics2D,JLayer)} and resets the "dirty bit" at the end. * * @see #configureGraphics(Graphics2D,JLayer) * @see #paintLayer(Graphics2D,JLayer) @@ -140,8 +128,7 @@ public abstract class AbstractLayerUI } /** - * Subclasses should implement this method - * and perform custom painting operations here. + * Subclasses should implement this method and perform custom painting operations here. *

* The default implementation paints the passed {@code JLayer} as is. * @@ -153,11 +140,9 @@ public abstract class AbstractLayerUI } /** - * This method is called by the {@link #paint} method prior to - * any drawing operations to configure the {@code Graphics2D} object. - * The default implementation sets the {@link Composite}, the clip, - * {@link AffineTransform} and rendering hints - * obtained from the corresponding hook methods. + * This method is called by the {@link #paint} method prior to any drawing operations to configure + * the {@code Graphics2D} object. The default implementation sets the {@link Composite}, the clip, + * {@link AffineTransform} and rendering hints obtained from the corresponding hook methods. * * @param g2 the {@code Graphics2D} object to configure * @param l the {@code JLayer} being painted @@ -192,8 +177,8 @@ public abstract class AbstractLayerUI } /** - * Returns the {@link Composite} to be used during painting of this {@code JLayer}, - * the default implementation returns {@code null}. + * Returns the {@link Composite} to be used during painting of this {@code JLayer}, the default + * implementation returns {@code null}. * * @param l the {@code JLayer} being painted * @@ -204,8 +189,8 @@ public abstract class AbstractLayerUI } /** - * Returns the {@link AffineTransform} to be used during painting of this {@code JLayer}, - * the default implementation returns {@code null}. + * Returns the {@link AffineTransform} to be used during painting of this {@code JLayer}, the + * default implementation returns {@code null}. * * @param l the {@code JLayer} being painted * @@ -216,8 +201,8 @@ public abstract class AbstractLayerUI } /** - * Returns the {@link Shape} to be used as the clip during painting of this {@code JLayer}, - * the default implementation returns {@code null}. + * Returns the {@link Shape} to be used as the clip during painting of this {@code JLayer}, the + * default implementation returns {@code null}. * * @param l the {@code JLayer} being painted * @@ -228,8 +213,8 @@ public abstract class AbstractLayerUI } /** - * Returns the map of rendering hints to be used during painting of this {@code JLayer}, - * the default implementation returns the empty unmodifiable map. + * Returns the map of rendering hints to be used during painting of this {@code JLayer}, the default + * implementation returns the empty unmodifiable map. * * @param l the {@code JLayer} being painted * @@ -278,24 +263,22 @@ public abstract class AbstractLayerUI } /** - * By default only mouse, mouse motion, mouse wheel, keyboard and focus events are supported, - * if you need to catch any other type of events, - * override this method to return the different mask + * By default only mouse, mouse motion, mouse wheel, keyboard and focus events are supported, if you + * need to catch any other type of events, override this method to return the different mask * * @see JLayer#setLayerEventMask(long) */ public long getLayerEventMask() { return AWTEvent.MOUSE_EVENT_MASK | AWTEvent.MOUSE_MOTION_EVENT_MASK - | AWTEvent.MOUSE_WHEEL_EVENT_MASK - | AWTEvent.KEY_EVENT_MASK | AWTEvent.FOCUS_EVENT_MASK; + | AWTEvent.MOUSE_WHEEL_EVENT_MASK + | AWTEvent.KEY_EVENT_MASK | AWTEvent.FOCUS_EVENT_MASK; } /** * {@inheritDoc} *

- * This method calls the appropriate - * {@code processEvent} - * method for the given class of event. + * This method calls the appropriate {@code processEvent} method for the given class of + * event. */ @Override public void eventDispatched(AWTEvent e, JLayer l) { @@ -324,52 +307,42 @@ public abstract class AbstractLayerUI } /** - * Processes {@code FocusEvent} occurring on the {@link JLayer} - * or any of its subcomponents. + * Processes {@code FocusEvent} occurring on the {@link JLayer} or any of its subcomponents. * * @param e the {@code FocusEvent} to be processed * @param l the layer this LayerUI is set to */ - protected void processFocusEvent(FocusEvent e, JLayer l) { - } + protected void processFocusEvent(FocusEvent e, JLayer l) {} /** - * Processes {@code MouseEvent} occurring on the {@link JLayer} - * or any of its subcomponents. + * Processes {@code MouseEvent} occurring on the {@link JLayer} or any of its subcomponents. * * @param e the {@code MouseEvent} to be processed * @param l the layer this LayerUI is set to */ - protected void processMouseEvent(MouseEvent e, JLayer l) { - } + protected void processMouseEvent(MouseEvent e, JLayer l) {} /** - * Processes mouse motion events occurring on the {@link JLayer} - * or any of its subcomponents. + * Processes mouse motion events occurring on the {@link JLayer} or any of its subcomponents. * * @param e the {@code MouseEvent} to be processed * @param l the layer this LayerUI is set to */ - protected void processMouseMotionEvent(MouseEvent e, JLayer l) { - } + protected void processMouseMotionEvent(MouseEvent e, JLayer l) {} /** - * Processes {@code MouseWheelEvent} occurring on the {@link JLayer} - * or any of its subcomponents. + * Processes {@code MouseWheelEvent} occurring on the {@link JLayer} or any of its subcomponents. * * @param e the {@code MouseWheelEvent} to be processed * @param l the layer this LayerUI is set to */ - protected void processMouseWheelEvent(MouseWheelEvent e, JLayer l) { - } + protected void processMouseWheelEvent(MouseWheelEvent e, JLayer l) {} /** - * Processes {@code KeyEvent} occurring on the {@link JLayer} - * or any of its subcomponents. + * Processes {@code KeyEvent} occurring on the {@link JLayer} or any of its subcomponents. * * @param e the {@code KeyEvent} to be processed * @param l the layer this LayerUI is set to */ - protected void processKeyEvent(KeyEvent e, JLayer l) { - } + protected void processKeyEvent(KeyEvent e, JLayer l) {} }