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/*
* Copyright (c) 2005-2010 Flamingo Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Flamingo Kirill Grouchnikov 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.
*/
package org.pushingpixels.flamingo.internal.utils;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.lang.annotation.*;
import java.util.*;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import javax.swing.*;
import javax.swing.FocusManager;
import javax.swing.event.EventListenerList;
import org.pushingpixels.flamingo.api.common.*;
import org.pushingpixels.flamingo.api.common.popup.JPopupPanel;
import org.pushingpixels.flamingo.api.common.popup.PopupPanelManager;
import org.pushingpixels.flamingo.api.common.popup.PopupPanelManager.PopupInfo;
import org.pushingpixels.flamingo.api.ribbon.*;
import org.pushingpixels.flamingo.internal.ui.ribbon.*;
import org.pushingpixels.flamingo.internal.ui.ribbon.appmenu.JRibbonApplicationMenuButton;
import org.pushingpixels.flamingo.internal.ui.ribbon.appmenu.JRibbonApplicationMenuPopupPanel;
public class KeyTipManager {
boolean isShowingKeyTips;
List keyTipChains;
protected EventListenerList listenerList;
protected BlockingQueue processingQueue;
protected ProcessingThread processingThread;
private JRibbonFrame rootOwner;
private Component focusOwner;
private static final KeyTipManager instance = new KeyTipManager();
public interface KeyTipLinkTraversal {
public KeyTipChain getNextChain();
}
public static interface KeyTipListener extends EventListener {
public void keyTipsShown(KeyTipEvent event);
public void keyTipsHidden(KeyTipEvent event);
}
public static class KeyTipEvent extends AWTEvent {
public KeyTipEvent(Object source, int id) {
super(source, id);
}
}
/**
* Annotation to mark a command button that shows UI content with associated
* keytips on clicking its action area. Can be used to associate keytips
* with menu command buttons in the popup menu shown when the ribbon gallery
* is expanded.
*
* @author Kirill Grouchnikov
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public static @interface HasNextKeyTipChain {
}
public class KeyTipLink {
public String keyTipString;
public JComponent comp;
public Point prefAnchorPoint;
public ActionListener onActivated;
public KeyTipLinkTraversal traversal;
public boolean enabled;
}
public class KeyTipChain {
private List links;
public int keyTipLookupIndex;
public JComponent chainParentComponent;
private KeyTipLinkTraversal parent;
public KeyTipChain(JComponent chainParentComponent) {
this.chainParentComponent = chainParentComponent;
this.links = new ArrayList();
this.keyTipLookupIndex = 0;
}
public void addLink(KeyTipLink link) {
this.links.add(link);
}
}
public static KeyTipManager defaultManager() {
return instance;
}
private KeyTipManager() {
this.isShowingKeyTips = false;
this.keyTipChains = new ArrayList();
this.listenerList = new EventListenerList();
this.processingQueue = new LinkedBlockingQueue();
this.processingThread = new ProcessingThread();
this.processingThread.start();
}
public boolean isShowingKeyTips() {
return !this.keyTipChains.isEmpty();
}
public void hideAllKeyTips() {
if (this.keyTipChains.isEmpty())
return;
this.keyTipChains.clear();
this.fireKeyTipsHidden(rootOwner);
repaintWindows();
// try restoring the focus owner if still relevant
this.tryRestoringFocusOwner();
}
private void tryRestoringFocusOwner() {
if (focusOwner != null) {
if (focusOwner.isDisplayable() && focusOwner.isShowing()) {
focusOwner.requestFocus();
}
}
}
public void showRootKeyTipChain(JRibbonFrame ribbonFrame) {
if (!this.keyTipChains.isEmpty()) {
throw new IllegalStateException(
"Can't call this method when key tip chains are present");
}
// store the current focus owner
focusOwner = FocusManager.getCurrentManager().getFocusOwner();
// and transfer the focus to the ribbon frame itself. If the focus
// is cleared, no key events will be dispatched to our window.
ribbonFrame.requestFocus();
rootOwner = ribbonFrame;
final JRibbon ribbon = ribbonFrame.getRibbon();
// root chain - application menu button,
// taskbar panel components and task toggle buttons
KeyTipChain root = new KeyTipChain(ribbon);
// application menu button
final JRibbonApplicationMenuButton appMenuButton = FlamingoUtilities
.getApplicationMenuButton(ribbonFrame);
if ((appMenuButton != null)
&& (ribbon.getApplicationMenuKeyTip() != null)) {
final KeyTipLink appMenuButtonLink = new KeyTipLink();
appMenuButtonLink.comp = appMenuButton;
appMenuButtonLink.keyTipString = ribbon.getApplicationMenuKeyTip();
appMenuButtonLink.prefAnchorPoint = appMenuButton.getUI()
.getKeyTipAnchorCenterPoint();
appMenuButtonLink.onActivated = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
appMenuButton.doPopupClick();
}
};
appMenuButtonLink.enabled = true;
appMenuButtonLink.traversal = new KeyTipLinkTraversal() {
@Override
public KeyTipChain getNextChain() {
// System.out.println("Get next chain");
// collect key tips of all controls in the relevant popup
// panel
List popups = PopupPanelManager.defaultManager()
.getShownPath();
if (popups.size() > 0) {
PopupInfo last = popups.get(popups.size() - 1);
if (last.getPopupOriginator() == appMenuButton) {
JPopupPanel popupPanel = last.getPopupPanel();
KeyTipChain chain = new KeyTipChain(popupPanel);
chain.parent = appMenuButtonLink.traversal;
populateChain(last.getPopupPanel(), chain);
// popupPanel.putClientProperty(KEYTIP_MANAGER,
// KeyTipManager.this);
return chain;
}
}
return null;
}
};
root.addLink(appMenuButtonLink);
}
// taskbar panel components
for (Component taskbarComp : ribbon.getTaskbarComponents()) {
if (taskbarComp instanceof AbstractCommandButton) {
AbstractCommandButton cb = (AbstractCommandButton) taskbarComp;
KeyTipLink actionLink = getCommandButtonActionLink(cb);
if (actionLink != null) {
root.addLink(actionLink);
}
if (taskbarComp instanceof JCommandButton) {
JCommandButton jcb = (JCommandButton) taskbarComp;
KeyTipLink popupLink = getCommandButtonPopupLink(jcb);
if (popupLink != null) {
root.addLink(popupLink);
}
}
}
}
// task toggle buttons
RibbonUI ui = ribbon.getUI();
if (ui instanceof BasicRibbonUI) {
for (Map.Entry ttbEntry : ((BasicRibbonUI) ui)
.getTaskToggleButtons().entrySet()) {
final RibbonTask task = ttbEntry.getKey();
final JRibbonTaskToggleButton taskToggleButton = ttbEntry
.getValue();
String keyTip = task.getKeyTip();
if (keyTip != null) {
final KeyTipLink taskToggleButtonLink = new KeyTipLink();
taskToggleButtonLink.comp = taskToggleButton;
taskToggleButtonLink.keyTipString = keyTip;
taskToggleButtonLink.prefAnchorPoint = new Point(
taskToggleButton.getWidth() / 2, taskToggleButton
.getHeight());
taskToggleButtonLink.onActivated = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
taskToggleButton.doActionClick();
}
};
taskToggleButtonLink.enabled = true;
taskToggleButtonLink.traversal = new KeyTipLinkTraversal() {
@Override
public KeyTipChain getNextChain() {
KeyTipChain taskChain = new KeyTipChain(
taskToggleButton);
// collect key tips of all controls from all task
// bands
for (AbstractRibbonBand band : task.getBands())
populateChain(band, taskChain);
taskChain.parent = taskToggleButtonLink.traversal;
return taskChain;
}
};
root.addLink(taskToggleButtonLink);
}
}
}
this.keyTipChains.add(root);
this.fireKeyTipsShown(ribbonFrame);
ribbonFrame.repaint();
}
public Collection getCurrentlyShownKeyTips() {
if (this.keyTipChains.isEmpty())
return Collections.emptyList();
return Collections.unmodifiableCollection(this.keyTipChains
.get(this.keyTipChains.size() - 1).links);
}
public KeyTipChain getCurrentlyShownKeyTipChain() {
if (this.keyTipChains.isEmpty())
return null;
return this.keyTipChains.get(this.keyTipChains.size() - 1);
}
public void showPreviousChain() {
if (this.keyTipChains.isEmpty())
return;
this.keyTipChains.remove(this.keyTipChains.size() - 1);
// was last?
if (!this.isShowingKeyTips()) {
// try restoring focus owner
this.tryRestoringFocusOwner();
}
repaintWindows();
}
private void addCommandButtonLinks(Component c, KeyTipChain chain) {
AbstractCommandButton cb = (AbstractCommandButton) c;
KeyTipLink actionLink = getCommandButtonActionLink(cb);
if (actionLink != null) {
chain.addLink(actionLink);
}
if (c instanceof JCommandButton) {
JCommandButton jcb = (JCommandButton) c;
KeyTipLink popupLink = getCommandButtonPopupLink(jcb);
if (popupLink != null) {
chain.addLink(popupLink);
}
}
}
private void populateChain(final Component c, final KeyTipChain chain) {
if (c instanceof AbstractCommandButton) {
Rectangle compBounds = c.getBounds();
if (c.isVisible() && c.isShowing()) {
if ((compBounds.height > 0) && (compBounds.width > 0))
addCommandButtonLinks(c, chain);
else
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
Rectangle compBounds = c.getBounds();
if ((compBounds.height > 0)
&& (compBounds.width > 0))
addCommandButtonLinks(c, chain);
}
});
}
}
if (c instanceof JRibbonComponent) {
JRibbonComponent rc = (JRibbonComponent) c;
KeyTipLink link = getRibbonComponentLink(rc);
if (link != null) {
chain.addLink(link);
}
}
if (c instanceof Container) {
Container cont = (Container) c;
for (int i = 0; i < cont.getComponentCount(); i++) {
populateChain(cont.getComponent(i), chain);
}
}
}
private KeyTipLink getCommandButtonActionLink(final AbstractCommandButton cb) {
if (cb.getActionKeyTip() != null) {
final KeyTipLink link = new KeyTipLink();
link.comp = cb;
link.keyTipString = cb.getActionKeyTip();
link.prefAnchorPoint = cb.getUI().getKeyTipAnchorCenterPoint();
link.onActivated = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
cb.doActionClick();
}
};
link.enabled = cb.getActionModel().isEnabled();
if (cb.getClass().isAnnotationPresent(
KeyTipManager.HasNextKeyTipChain.class)) {
link.traversal = new KeyTipLinkTraversal() {
@Override
public KeyTipChain getNextChain() {
// collect key tips of all controls in the relevant
// popup panel
List popups = PopupPanelManager
.defaultManager().getShownPath();
if (popups.size() > 0) {
PopupInfo last = popups.get(popups.size() - 1);
JPopupPanel popupPanel = last.getPopupPanel();
KeyTipChain chain = new KeyTipChain(popupPanel);
populateChain(last.getPopupPanel(), chain);
chain.parent = link.traversal;
return chain;
}
return null;
}
};
} else {
link.traversal = null;
}
return link;
}
return null;
}
private KeyTipLink getRibbonComponentLink(final JRibbonComponent rc) {
if (rc.getKeyTip() != null) {
KeyTipLink link = new KeyTipLink();
link.comp = rc;
link.keyTipString = rc.getKeyTip();
link.prefAnchorPoint = rc.getUI().getKeyTipAnchorCenterPoint();
link.onActivated = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JComponent mainComponent = rc.getMainComponent();
if (mainComponent instanceof AbstractButton) {
((AbstractButton) mainComponent).doClick();
} else {
if (mainComponent instanceof JComboBox) {
((JComboBox) mainComponent).showPopup();
} else {
if (mainComponent instanceof JSpinner) {
JComponent editor = ((JSpinner) mainComponent)
.getEditor();
editor.requestFocusInWindow();
} else {
mainComponent.requestFocusInWindow();
}
}
}
}
};
link.enabled = rc.getMainComponent().isEnabled();
link.traversal = null;
return link;
}
return null;
}
private KeyTipLink getCommandButtonPopupLink(final JCommandButton cb) {
if (cb.getPopupKeyTip() != null) {
final KeyTipLink link = new KeyTipLink();
link.comp = cb;
link.keyTipString = cb.getPopupKeyTip();
link.prefAnchorPoint = cb.getUI().getKeyTipAnchorCenterPoint();
link.onActivated = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (cb instanceof JCommandMenuButton) {
((JCommandMenuButton) cb).doActionRollover();
}
cb.doPopupClick();
}
};
link.enabled = cb.getPopupModel().isEnabled();
link.traversal = new KeyTipLinkTraversal() {
@Override
public KeyTipChain getNextChain() {
// System.out.println("Get next chain");
// collect key tips of all controls in the relevant popup
// panel
List popups = PopupPanelManager.defaultManager()
.getShownPath();
if (popups.size() > 0) {
PopupInfo last = popups.get(popups.size() - 1);
// if (last.getPopupOriginator() == cb) {
JPopupPanel popupPanel = last.getPopupPanel();
// special case - application menu
if (popupPanel instanceof JRibbonApplicationMenuPopupPanel) {
JRibbonApplicationMenuPopupPanel appMenuPopupPanel = (JRibbonApplicationMenuPopupPanel) popupPanel;
// check whether there are entries at level 2
JPanel level1 = appMenuPopupPanel.getPanelLevel1();
JPanel level2 = appMenuPopupPanel.getPanelLevel2();
if (level2.getComponentCount() > 0) {
KeyTipChain chain = new KeyTipChain(level2);
populateChain(level2, chain);
chain.parent = link.traversal;
return chain;
} else {
KeyTipChain chain = new KeyTipChain(level1);
populateChain(level1, chain);
chain.parent = link.traversal;
return chain;
}
} else {
KeyTipChain chain = new KeyTipChain(popupPanel);
populateChain(last.getPopupPanel(), chain);
chain.parent = link.traversal;
return chain;
}
// popupPanel.putClientProperty(KEYTIP_MANAGER,
// KeyTipManager.this);
// }
}
return null;
}
};
return link;
}
return null;
}
public void handleKeyPress(char keyChar) {
this.processingQueue.add(keyChar);
}
private class ProcessingThread extends Thread {
public ProcessingThread() {
super();
this.setName("KeyTipManager processing thread");
this.setDaemon(true);
}
@Override
public void run() {
while (true) {
try {
final char keyChar = processingQueue.take();
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
processNextKeyPress(keyChar);
}
});
} catch (Throwable t) {
t.printStackTrace();
}
}
}
}
private void processNextKeyPress(char keyChar) {
if (this.keyTipChains.isEmpty())
return;
KeyTipChain currChain = this.keyTipChains
.get(this.keyTipChains.size() - 1);
// go over the key tip links and see if there is an exact match
for (final KeyTipLink link : currChain.links) {
String keyTipString = link.keyTipString;
if ((Character.toLowerCase(keyTipString
.charAt(currChain.keyTipLookupIndex)) == Character
.toLowerCase(keyChar))
&& (keyTipString.length() == (currChain.keyTipLookupIndex + 1))) {
// exact match
if (link.enabled) {
link.onActivated.actionPerformed(new ActionEvent(link.comp,
ActionEvent.ACTION_PERFORMED, "keyTipActivated"));
if (link.traversal != null) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
final KeyTipChain next = link.traversal
.getNextChain();
if (next != null) {
KeyTipChain prev = (keyTipChains.isEmpty() ? null
: keyTipChains.get(keyTipChains
.size() - 1));
keyTipChains.add(next);
repaintWindows();
if (prev != null) {
// force repaint of all menu buttons
for (KeyTipLink link : prev.links) {
if (link.comp instanceof JCommandMenuButton)
link.comp.repaint();
}
}
}
}
});
} else {
// match found and activated, and no further
// traversal - dismiss all key tip chains
hideAllKeyTips();
}
}
return;
}
}
// go over the key tip links and look for key tips that have
// the specified character as the prefix
if (currChain.keyTipLookupIndex == 0) {
KeyTipChain secondary = new KeyTipChain(
currChain.chainParentComponent);
secondary.keyTipLookupIndex = 1;
for (KeyTipLink link : currChain.links) {
String keyTipString = link.keyTipString;
if ((Character.toLowerCase(keyTipString
.charAt(currChain.keyTipLookupIndex)) == Character
.toLowerCase(keyChar))
&& (keyTipString.length() == 2)) {
KeyTipLink secondaryLink = new KeyTipLink();
secondaryLink.comp = link.comp;
secondaryLink.enabled = link.enabled;
secondaryLink.keyTipString = link.keyTipString;
secondaryLink.onActivated = link.onActivated;
secondaryLink.prefAnchorPoint = link.prefAnchorPoint;
secondaryLink.traversal = link.traversal;
secondary.addLink(secondaryLink);
}
}
if (secondary.links.size() > 0) {
this.keyTipChains.add(secondary);
}
repaintWindows();
return;
}
}
private void repaintWindows() {
for (Window window : Window.getWindows()) {
window.repaint();
}
List popups = PopupPanelManager.defaultManager()
.getShownPath();
for (PopupPanelManager.PopupInfo popup : popups) {
JPopupPanel popupPanel = popup.getPopupPanel();
popupPanel.paintImmediately(new Rectangle(0, 0, popupPanel
.getWidth(), popupPanel.getHeight()));
}
}
public void addKeyTipListener(KeyTipListener keyTipListener) {
this.listenerList.add(KeyTipListener.class, keyTipListener);
}
public void removeKeyTipListener(KeyTipListener keyTipListener) {
this.listenerList.remove(KeyTipListener.class, keyTipListener);
}
protected void fireKeyTipsShown(JRibbonFrame ribbonFrame) {
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
KeyTipEvent e = new KeyTipEvent(ribbonFrame, 0);
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length - 2; i >= 0; i -= 2) {
if (listeners[i] == KeyTipListener.class) {
((KeyTipListener) listeners[i + 1]).keyTipsShown(e);
}
}
}
protected void fireKeyTipsHidden(JRibbonFrame ribbonFrame) {
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
KeyTipEvent e = new KeyTipEvent(ribbonFrame, 0);
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length - 2; i >= 0; i -= 2) {
if (listeners[i] == KeyTipListener.class) {
((KeyTipListener) listeners[i + 1]).keyTipsHidden(e);
}
}
}
public void refreshCurrentChain() {
KeyTipChain curr = this.keyTipChains.get(this.keyTipChains.size() - 1);
if (curr.parent == null)
return;
KeyTipChain refreshed = curr.parent.getNextChain();
this.keyTipChains.remove(this.keyTipChains.size() - 1);
this.keyTipChains.add(refreshed);
repaintWindows();
}
}
