platform/platform-impl/src/com/intellij/util/IJSwingUtilities.java - platform/tools/idea - Git at Google

 /*
  * Copyright 2000-2009 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package com.intellij.util;

 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.application.ModalityState;
 import com.intellij.openapi.wm.ex.WindowManagerEx;
 import com.intellij.ui.EditorTextField;
 import com.intellij.ui.components.OrphanGuardian;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.containers.FilteringIterator;
 import com.intellij.util.ui.JBSwingUtilities;
 import com.intellij.util.ui.UIUtil;
 import gnu.trove.TIntStack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

 import javax.swing.*;
 import javax.swing.event.HyperlinkEvent;
 import java.awt.*;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.Iterator;

 public class IJSwingUtilities extends JBSwingUtilities {
   public static void invoke(Runnable runnable) {
     if (ApplicationManager.getApplication().isDispatchThread()) {
       runnable.run();
     } else {
       ApplicationManager.getApplication().invokeLater(runnable, ModalityState.NON_MODAL);
     }
   }

   /**
    * @return true if javax.swing.SwingUtilities.findFocusOwner(component) != null
    */
   public static boolean hasFocus(Component component) {
     Component focusOwner = findFocusOwner(component);
     return focusOwner != null;
   }

   private static Component findFocusOwner(Component c) {
     Component focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();

     // verify focusOwner is a descendant of c
     for (Component temp = focusOwner; temp != null; temp = (temp instanceof Window) ? null : temp.getParent())
     {
       if (temp == c) {
         return focusOwner;
       }
     }

     return null;
   }

   /**
    * @return true if window ancestor of component was most recent focused window and most recent focused component
    * in that window was descended from component
    */
   public static boolean hasFocus2(Component component) {
     WindowManagerEx windowManager = WindowManagerEx.getInstanceEx();
     Window activeWindow=null;
     if (windowManager != null) {
       activeWindow = windowManager.getMostRecentFocusedWindow();
     }
     if(activeWindow==null){
       return false;
     }
     Component focusedComponent = windowManager.getFocusedComponent(activeWindow);
     if (focusedComponent == null) {
       return false;
     }

     return SwingUtilities.isDescendingFrom(focusedComponent, component);
   }

   /**
    * This method is copied from <code>SwingUtilities</code>.
    * Returns index of the first occurrence of <code>mnemonic</code>
    * within string <code>text</code>. Matching algorithm is not
    * case-sensitive.
    *
    * @param text The text to search through, may be null
    * @param mnemonic The mnemonic to find the character for.
    * @return index into the string if exists, otherwise -1
    */
   public static int findDisplayedMnemonicIndex(String text, int mnemonic) {
     if (text == null || mnemonic == '\0') {
       return -1;
     }

     char uc = Character.toUpperCase((char)mnemonic);
     char lc = Character.toLowerCase((char)mnemonic);

     int uci = text.indexOf(uc);
     int lci = text.indexOf(lc);

     if (uci == -1) {
       return lci;
     } else if(lci == -1) {
       return uci;
     } else {
       return (lci < uci) ? lci : uci;
     }
   }

   public static Iterator<Component> getParents(final Component component) {
     return new Iterator<Component>() {
       private Component myCurrent = component;
       public boolean hasNext() {
         return myCurrent != null && myCurrent.getParent() != null;
       }

       public Component next() {
         myCurrent = myCurrent.getParent();
         return myCurrent;
       }

       public void remove() {
         throw new UnsupportedOperationException();
       }
     };
   }

   /**
    * @param component - parent component, won't be reached by iterator.
    * @return Component tree traverse {@link Iterator}.
    */
   public static Iterator<Component> getChildren(final Container component) {
     return new Iterator<Component>() {
       private Container myCurrentParent = component;
       private final TIntStack myState = new TIntStack();
       private int myCurrentIndex = 0;

       public boolean hasNext() {
         return hasNextChild();
       }

       public Component next() {
         Component next = myCurrentParent.getComponent(myCurrentIndex);
         myCurrentIndex++;
         if (next instanceof Container) {
           Container container = ((Container)next);
           if (container.getComponentCount() > 0) {
             myState.push(myCurrentIndex);
             myCurrentIndex = 0;
             myCurrentParent = container;
           }
         }
         while (!hasNextChild()) {
           if (myState.size() == 0) break;
           myCurrentIndex = myState.pop();
           myCurrentParent = myCurrentParent.getParent();
         }
         return next;
       }

       public void remove() {
         throw new UnsupportedOperationException();
       }

       private boolean hasNextChild() {
         return myCurrentParent.getComponentCount() > myCurrentIndex;
       }
     };
   }

   @Nullable
   public static <T extends Component> T findParentOfType(Component focusOwner, Class<T> aClass) {
     return (T)ContainerUtil.find(getParents(focusOwner), (FilteringIterator.InstanceOf<T>)FilteringIterator.instanceOf(aClass));

   }
   @Nullable
   public static Component findParentByInterface(Component focusOwner, Class aClass) {
     return ContainerUtil.find(getParents(focusOwner), FilteringIterator.instanceOf(aClass));
   }

   public static void adjustComponentsOnMac(@Nullable JComponent component) {
     adjustComponentsOnMac(null, component);
   }


   public static void adjustComponentsOnMac(@Nullable JLabel label, @Nullable JComponent component) {
     if (component == null) return;
     if (!UIUtil.isUnderAquaLookAndFeel()) return;

     if (component instanceof JComboBox) {
       UIUtil.addInsets(component, new Insets(0,-2,0,0));
       if (label != null) {
         UIUtil.addInsets(label, new Insets(0,2,0,0));
       }
     }
     if (component instanceof JCheckBox) {
       UIUtil.addInsets(component, new Insets(0,-5,0,0));
     }
     if (component instanceof JTextField || component instanceof EditorTextField) {
       if (label != null) {
         UIUtil.addInsets(label, new Insets(0,3,0,0));
       }
     }
   }

   public static HyperlinkEvent createHyperlinkEvent(@Nullable String href, @NotNull Object source) {
     URL url = null;
     try {
       url = new URL(href);
     }
     catch (MalformedURLException ignored) {
     }
     return new HyperlinkEvent(source, HyperlinkEvent.EventType.ACTIVATED, url, href);
   }

   /**
    * A copy of javax.swing.SwingUtilities#updateComponentTreeUI that invokes children updateUI() first

    * @param c component
    * @see javax.swing.SwingUtilities#updateComponentTreeUI
    */
   public static void updateComponentTreeUI(Component c) {
     updateComponentTreeUI0(c);
     c.invalidate();
     c.validate();
     c.repaint();
   }

   private static final Consumer<JComponent> UI_TREE_UPDATER = new Consumer<JComponent>() {
     @Override
     public void consume(JComponent component) {
       updateComponentTreeUI0(component);
     }
   };

   private static void updateComponentTreeUI0(Component c) {
     Component[] children = null;
     if (c instanceof JMenu) {
       children = ((JMenu)c).getMenuComponents();
     }
     else if (c instanceof Container) {
       children = ((Container)c).getComponents();
     }
     if (children != null) {
       for (Component aChildren : children) {
         updateComponentTreeUI0(aChildren);
       }
     }
     if (c instanceof JComponent) {
       JComponent jc = (JComponent)c;
       OrphanGuardian orphans = (OrphanGuardian)jc.getClientProperty(OrphanGuardian.CLIENT_PROPERTY_KEY);
       if (orphans != null) {
         orphans.iterateOrphans(UI_TREE_UPDATER);
       }
       jc.updateUI();
       JPopupMenu jpm = jc.getComponentPopupMenu();
       if (jpm != null && jpm.isVisible() && jpm.getInvoker() == jc) {
         updateComponentTreeUI(jpm);
       }
     }
   }
 }
	/*
	* Copyright 2000-2009 JetBrains s.r.o.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.intellij.util;

	import com.intellij.openapi.application.ApplicationManager;
	import com.intellij.openapi.application.ModalityState;
	import com.intellij.openapi.wm.ex.WindowManagerEx;
	import com.intellij.ui.EditorTextField;
	import com.intellij.ui.components.OrphanGuardian;
	import com.intellij.util.containers.ContainerUtil;
	import com.intellij.util.containers.FilteringIterator;
	import com.intellij.util.ui.JBSwingUtilities;
	import com.intellij.util.ui.UIUtil;
	import gnu.trove.TIntStack;
	import org.jetbrains.annotations.NotNull;
	import org.jetbrains.annotations.Nullable;

	import javax.swing.*;
	import javax.swing.event.HyperlinkEvent;
	import java.awt.*;
	import java.net.MalformedURLException;
	import java.net.URL;
	import java.util.Iterator;

	public class IJSwingUtilities extends JBSwingUtilities {
	public static void invoke(Runnable runnable) {
	if (ApplicationManager.getApplication().isDispatchThread()) {
	runnable.run();
	} else {
	ApplicationManager.getApplication().invokeLater(runnable, ModalityState.NON_MODAL);
	}
	}

	/**
	* @return true if javax.swing.SwingUtilities.findFocusOwner(component) != null
	*/
	public static boolean hasFocus(Component component) {
	Component focusOwner = findFocusOwner(component);
	return focusOwner != null;
	}

	private static Component findFocusOwner(Component c) {
	Component focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();

	// verify focusOwner is a descendant of c
	for (Component temp = focusOwner; temp != null; temp = (temp instanceof Window) ? null : temp.getParent())
	{
	if (temp == c) {
	return focusOwner;
	}
	}

	return null;
	}

	/**
	* @return true if window ancestor of component was most recent focused window and most recent focused component
	* in that window was descended from component
	*/
	public static boolean hasFocus2(Component component) {
	WindowManagerEx windowManager = WindowManagerEx.getInstanceEx();
	Window activeWindow=null;
	if (windowManager != null) {
	activeWindow = windowManager.getMostRecentFocusedWindow();
	}
	if(activeWindow==null){
	return false;
	}
	Component focusedComponent = windowManager.getFocusedComponent(activeWindow);
	if (focusedComponent == null) {
	return false;
	}

	return SwingUtilities.isDescendingFrom(focusedComponent, component);
	}

	/**
	* This method is copied from <code>SwingUtilities</code>.
	* Returns index of the first occurrence of <code>mnemonic</code>
	* within string <code>text</code>. Matching algorithm is not
	* case-sensitive.
	*
	* @param text The text to search through, may be null
	* @param mnemonic The mnemonic to find the character for.
	* @return index into the string if exists, otherwise -1
	*/
	public static int findDisplayedMnemonicIndex(String text, int mnemonic) {
	if (text == null \|\| mnemonic == '\0') {
	return -1;
	}

	char uc = Character.toUpperCase((char)mnemonic);
	char lc = Character.toLowerCase((char)mnemonic);

	int uci = text.indexOf(uc);
	int lci = text.indexOf(lc);

	if (uci == -1) {
	return lci;
	} else if(lci == -1) {
	return uci;
	} else {
	return (lci < uci) ? lci : uci;
	}
	}

	public static Iterator<Component> getParents(final Component component) {
	return new Iterator<Component>() {
	private Component myCurrent = component;
	public boolean hasNext() {
	return myCurrent != null && myCurrent.getParent() != null;
	}

	public Component next() {
	myCurrent = myCurrent.getParent();
	return myCurrent;
	}

	public void remove() {
	throw new UnsupportedOperationException();
	}
	};
	}

	/**
	* @param component - parent component, won't be reached by iterator.
	* @return Component tree traverse {@link Iterator}.
	*/
	public static Iterator<Component> getChildren(final Container component) {
	return new Iterator<Component>() {
	private Container myCurrentParent = component;
	private final TIntStack myState = new TIntStack();
	private int myCurrentIndex = 0;

	public boolean hasNext() {
	return hasNextChild();
	}

	public Component next() {
	Component next = myCurrentParent.getComponent(myCurrentIndex);
	myCurrentIndex++;
	if (next instanceof Container) {
	Container container = ((Container)next);
	if (container.getComponentCount() > 0) {
	myState.push(myCurrentIndex);
	myCurrentIndex = 0;
	myCurrentParent = container;
	}
	}
	while (!hasNextChild()) {
	if (myState.size() == 0) break;
	myCurrentIndex = myState.pop();
	myCurrentParent = myCurrentParent.getParent();
	}
	return next;
	}

	public void remove() {
	throw new UnsupportedOperationException();
	}

	private boolean hasNextChild() {
	return myCurrentParent.getComponentCount() > myCurrentIndex;
	}
	};
	}

	@Nullable
	public static <T extends Component> T findParentOfType(Component focusOwner, Class<T> aClass) {
	return (T)ContainerUtil.find(getParents(focusOwner), (FilteringIterator.InstanceOf<T>)FilteringIterator.instanceOf(aClass));

	}
	@Nullable
	public static Component findParentByInterface(Component focusOwner, Class aClass) {
	return ContainerUtil.find(getParents(focusOwner), FilteringIterator.instanceOf(aClass));
	}

	public static void adjustComponentsOnMac(@Nullable JComponent component) {
	adjustComponentsOnMac(null, component);
	}


	public static void adjustComponentsOnMac(@Nullable JLabel label, @Nullable JComponent component) {
	if (component == null) return;
	if (!UIUtil.isUnderAquaLookAndFeel()) return;

	if (component instanceof JComboBox) {
	UIUtil.addInsets(component, new Insets(0,-2,0,0));
	if (label != null) {
	UIUtil.addInsets(label, new Insets(0,2,0,0));
	}
	}
	if (component instanceof JCheckBox) {
	UIUtil.addInsets(component, new Insets(0,-5,0,0));
	}
	if (component instanceof JTextField \|\| component instanceof EditorTextField) {
	if (label != null) {
	UIUtil.addInsets(label, new Insets(0,3,0,0));
	}
	}
	}

	public static HyperlinkEvent createHyperlinkEvent(@Nullable String href, @NotNull Object source) {
	URL url = null;
	try {
	url = new URL(href);
	}
	catch (MalformedURLException ignored) {
	}
	return new HyperlinkEvent(source, HyperlinkEvent.EventType.ACTIVATED, url, href);
	}

	/**
	* A copy of javax.swing.SwingUtilities#updateComponentTreeUI that invokes children updateUI() first

	* @param c component
	* @see javax.swing.SwingUtilities#updateComponentTreeUI
	*/
	public static void updateComponentTreeUI(Component c) {
	updateComponentTreeUI0(c);
	c.invalidate();
	c.validate();
	c.repaint();
	}

	private static final Consumer<JComponent> UI_TREE_UPDATER = new Consumer<JComponent>() {
	@Override
	public void consume(JComponent component) {
	updateComponentTreeUI0(component);
	}
	};

	private static void updateComponentTreeUI0(Component c) {
	Component[] children = null;
	if (c instanceof JMenu) {
	children = ((JMenu)c).getMenuComponents();
	}
	else if (c instanceof Container) {
	children = ((Container)c).getComponents();
	}
	if (children != null) {
	for (Component aChildren : children) {
	updateComponentTreeUI0(aChildren);
	}
	}
	if (c instanceof JComponent) {
	JComponent jc = (JComponent)c;
	OrphanGuardian orphans = (OrphanGuardian)jc.getClientProperty(OrphanGuardian.CLIENT_PROPERTY_KEY);
	if (orphans != null) {
	orphans.iterateOrphans(UI_TREE_UPDATER);
	}
	jc.updateUI();
	JPopupMenu jpm = jc.getComponentPopupMenu();
	if (jpm != null && jpm.isVisible() && jpm.getInvoker() == jc) {
	updateComponentTreeUI(jpm);
	}
	}
	}
	}