summaryrefslogtreecommitdiff
path: root/java/awt/Menu.java
diff options
context:
space:
mode:
Diffstat (limited to 'java/awt/Menu.java')
-rw-r--r--java/awt/Menu.java641
1 files changed, 288 insertions, 353 deletions
diff --git a/java/awt/Menu.java b/java/awt/Menu.java
index f900d9295..cef04a38e 100644
--- a/java/awt/Menu.java
+++ b/java/awt/Menu.java
@@ -54,38 +54,28 @@ import javax.accessibility.AccessibleRole;
public class Menu extends MenuItem implements MenuContainer, Serializable
{
-/*
- * Static Variables
- */
-
-/**
- * The number used to generate the name returned by getName.
- */
-private static transient long next_menu_number;
-
-// Serialization Constant
-private static final long serialVersionUID = -8809584163345499784L;
-
-/*************************************************************************/
+ /**
+ * The number used to generate the name returned by getName.
+ */
+ private static transient long next_menu_number;
-/*
- * Instance Variables
- */
+ // Serialization Constant
+ private static final long serialVersionUID = -8809584163345499784L;
-/**
- * @serial The actual items in the menu
- */
-private Vector items = new Vector();
+ /**
+ * @serial The actual items in the menu
+ */
+ private Vector items = new Vector();
-/**
- * @serial Flag indicating whether or not this menu is a tear off
- */
-private boolean tearOff;
+ /**
+ * @serial Flag indicating whether or not this menu is a tear off
+ */
+ private boolean tearOff;
-/**
- * @serial Indicates whether or not this is a help menu.
- */
-private boolean isHelpMenu;
+ /**
+ * @serial Indicates whether or not this is a help menu.
+ */
+ private boolean isHelpMenu;
/*
* @serial Unused in this implementation, but present in Sun's
@@ -93,371 +83,316 @@ private boolean isHelpMenu;
*/
private int menuSerializedDataVersion = 1;
-static final transient String separatorLabel = "-";
-
-/*************************************************************************/
-
-/*
- * Constructors
- */
-
-/**
- * Initializes a new instance of <code>Menu</code> with no label and that
- * is not a tearoff;
- *
- * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true.
- */
-public
-Menu()
-{
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>Menu</code> that is not a tearoff and
- * that has the specified label.
- *
- * @param label The menu label.
- *
- * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true.
- */
-public
-Menu(String label)
-{
- this(label, false);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>Menu</code> with the specified
- * label and tearoff status.
- *
- * @param label The label for this menu
- * @param isTearOff <code>true</code> if this menu is a tear off menu,
- * <code>false</code> otherwise.
- *
- * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true.
- */
-public
-Menu(String label, boolean isTearOff)
-{
- super(label);
+ static final transient String separatorLabel = "-";
- tearOff = isTearOff;
+ /**
+ * Initializes a new instance of <code>Menu</code> with no label and that
+ * is not a tearoff;
+ *
+ * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true.
+ */
+ public Menu()
+ {
+ }
- if (label.equals("Help"))
- isHelpMenu = true;
+ /**
+ * Initializes a new instance of <code>Menu</code> that is not a tearoff and
+ * that has the specified label.
+ *
+ * @param label The menu label.
+ *
+ * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true.
+ */
+ public Menu(String label)
+ {
+ this(label, false);
+ }
- if (GraphicsEnvironment.isHeadless())
- throw new HeadlessException ();
-}
+ /**
+ * Initializes a new instance of <code>Menu</code> with the specified
+ * label and tearoff status.
+ *
+ * @param label The label for this menu
+ * @param isTearOff <code>true</code> if this menu is a tear off menu,
+ * <code>false</code> otherwise.
+ *
+ * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true.
+ */
+ public Menu(String label, boolean isTearOff)
+ {
+ super(label);
-/*************************************************************************/
+ tearOff = isTearOff;
-/*
- * Instance Methods
- */
+ if (label.equals("Help"))
+ isHelpMenu = true;
-/**
- * Tests whether or not this menu is a tearoff.
- *
- * @return <code>true</code> if this menu is a tearoff, <code>false</code>
- * otherwise.
- */
-public boolean
-isTearOff()
-{
- return(tearOff);
-}
+ if (GraphicsEnvironment.isHeadless())
+ throw new HeadlessException();
+ }
-/*************************************************************************/
+ /**
+ * Tests whether or not this menu is a tearoff.
+ *
+ * @return <code>true</code> if this menu is a tearoff, <code>false</code>
+ * otherwise.
+ */
+ public boolean isTearOff()
+ {
+ return(tearOff);
+ }
-/**
- * Returns the number of items in this menu.
- *
- * @return The number of items in this menu.
- */
-public int
-getItemCount()
-{
- return countItems ();
-}
+ /**
+ * Returns the number of items in this menu.
+ *
+ * @return The number of items in this menu.
+ */
+ public int getItemCount()
+ {
+ return countItems();
+ }
-/**
- * Returns the number of items in this menu.
- *
- * @return The number of items in this menu.
- *
- * @deprecated As of JDK 1.1, replaced by getItemCount().
- */
-public int countItems ()
-{
- return items.size ();
-}
+ /**
+ * Returns the number of items in this menu.
+ *
+ * @return The number of items in this menu.
+ *
+ * @deprecated As of JDK 1.1, replaced by getItemCount().
+ */
+ public int countItems()
+ {
+ return items.size();
+ }
-/*************************************************************************/
-
-/**
- * Returns the item at the specified index.
- *
- * @return The item at the specified index.
- *
- * @exception ArrayIndexOutOfBoundsException If the index value is not valid.
- */
-public MenuItem
-getItem(int index)
-{
- return((MenuItem)items.elementAt(index));
-}
-
-/*************************************************************************/
-
-/**
- * Adds the specified item to this menu. If it was previously part of
- * another menu, it is first removed from that menu.
- *
- * @param item The new item to add.
- *
- * @return The item that was added.
- */
-public MenuItem
-add(MenuItem item)
-{
- MenuContainer parent = item.getParent();
- if (parent != null)
- parent.remove(item);
-
- items.addElement(item);
- item.setParent(this);
+ /**
+ * Returns the item at the specified index.
+ *
+ * @param index the item index.
+ *
+ * @return The item at the specified index.
+ *
+ * @exception ArrayIndexOutOfBoundsException If the index value is not valid.
+ */
+ public MenuItem getItem(int index)
+ {
+ return((MenuItem) items.elementAt(index));
+ }
- if (peer != null)
- {
- item.addNotify();
- MenuPeer mp = (MenuPeer) peer;
- mp.addItem(item);
- }
+ /**
+ * Adds the specified item to this menu. If it was previously part of
+ * another menu, it is first removed from that menu.
+ *
+ * @param item The new item to add.
+ *
+ * @return The item that was added.
+ */
+ public MenuItem add(MenuItem item)
+ {
+ MenuContainer parent = item.getParent();
+ if (parent != null)
+ parent.remove(item);
- return item;
-}
+ items.addElement(item);
+ item.setParent(this);
-/*************************************************************************/
+ if (peer != null)
+ {
+ item.addNotify();
+ MenuPeer mp = (MenuPeer) peer;
+ mp.addItem(item);
+ }
-/**
- * Add an item with the specified label to this menu.
- *
- * @param label The label of the menu item to add.
- */
-public void
-add(String label)
-{
- add(new MenuItem(label));
-}
-
-/*************************************************************************/
-
-/**
- * Inserts the specified menu item into this menu at the specified index.
- *
- * @param item The menu item to add.
- * @param index The index of the menu item.
- *
- * @exception IllegalArgumentException If the index is less than zero.
- * @exception ArrayIndexOutOfBoundsException If the index is otherwise invalid.
- */
-public void
-insert(MenuItem item, int index)
-{
- if (index < 0)
- throw new IllegalArgumentException("Index is less than zero");
+ return item;
+ }
- int count = getItemCount ();
+ /**
+ * Add an item with the specified label to this menu.
+ *
+ * @param label The label of the menu item to add.
+ */
+ public void add(String label)
+ {
+ add(new MenuItem(label));
+ }
- if (index >= count)
- add(item);
- else
- {
- MenuContainer parent = item.getParent();
- if (parent != null)
- parent.remove(item);
+ /**
+ * Inserts the specified menu item into this menu at the specified index. If
+ * the index is greater than or equal to the number of items already in the
+ * menu, the new item is added as the last item in the menu.
+ *
+ * @param item The menu item to add (<code>null</code> not permitted).
+ * @param index The index of the menu item (>= 0).
+ *
+ * @throws IllegalArgumentException if the index is less than zero.
+ * @throws NullPointerException if <code>item</code> is <code>null</code>.
+ */
+ public void insert(MenuItem item, int index)
+ {
+ if (index < 0)
+ throw new IllegalArgumentException("Index is less than zero");
+
+ int count = getItemCount();
+
+ if (index >= count)
+ add(item);
+ else
+ {
+ MenuContainer parent = item.getParent();
+ if (parent != null)
+ parent.remove(item);
- items.insertElementAt(item, index);
- item.setParent(this);
-
- MenuPeer peer = (MenuPeer) getPeer();
- if (peer == null)
- return;
+ items.insertElementAt(item, index);
+ item.setParent(this);
- for (int i = count - 1; i >= index; i--)
- peer.delItem(i);
+ MenuPeer peer = (MenuPeer) getPeer();
+ if (peer == null)
+ return;
- item.addNotify();
- peer.addItem(item);
+ for (int i = count - 1; i >= index; i--)
+ peer.delItem(i);
- for (int i = index; i < count; i++)
- peer.addItem((MenuItem) items.elementAt (i));
- }
-
-}
+ item.addNotify();
+ peer.addItem(item);
-/*************************************************************************/
+ // bear in mind that count is the number of items *before* the new
+ // item was added
+ for (int i = index + 1; i <= count; i++)
+ peer.addItem((MenuItem) items.elementAt(i));
+ }
-/**
- * Inserts an item with the specified label into this menu at the specified index.
- *
- * @param label The label of the item to add.
- * @param index The index of the menu item.
- *
- * @exception IllegalArgumentException If the index is less than zero.
- * @exception ArrayIndexOutOfBoundsException If the index is otherwise invalid.
- */
-public void
-insert(String label, int index)
-{
- insert(new MenuItem(label), index);
-}
-
-/*************************************************************************/
-
-/**
- * Adds a separator bar at the current menu location.
- */
-public void
-addSeparator()
-{
- add(new MenuItem(separatorLabel));
-}
-
-/*************************************************************************/
-
-/**
- * Inserts a separator bar at the specified index value.
- *
- * @param index The index at which to insert a separator bar.
- *
- * @exception IllegalArgumentException If the index is less than zero.
- * @exception ArrayIndexOutOfBoundsException If the index is otherwise invalid.
- */
-public void
-insertSeparator(int index)
-{
- insert(new MenuItem(separatorLabel), index);
-}
+ }
-/*************************************************************************/
+ /**
+ * Inserts an item with the specified label into this menu at the specified
+ * index. If the index is greater than or equal to the number of items
+ * already in the menu, the new item is added as the last item in the menu.
+ *
+ * @param label The label of the item to add.
+ * @param index The index of the menu item (>= 0).
+ *
+ * @throws IllegalArgumentException If the index is less than zero.
+ */
+ public void insert(String label, int index)
+ {
+ insert(new MenuItem(label), index);
+ }
-/**
- * Deletes the item at the specified index from this menu.
- *
- * @param index The index of the item to remove.
- *
- * @exception ArrayIndexOutOfBoundsException If the index is otherwise invalid.
- */
-public synchronized void
-remove(int index)
-{
- MenuItem item = (MenuItem) items.remove(index);
+ /**
+ * Adds a separator bar at the current menu location.
+ */
+ public void addSeparator()
+ {
+ add(new MenuItem(separatorLabel));
+ }
- MenuPeer mp = (MenuPeer) getPeer();
- if (mp != null)
- {
- mp.delItem(index);
- item.removeNotify();
- }
- item.setParent(null);
-}
+ /**
+ * Inserts a separator bar at the specified index value.
+ *
+ * @param index The index at which to insert a separator bar.
+ *
+ * @exception IllegalArgumentException If the index is less than zero.
+ * @exception ArrayIndexOutOfBoundsException If the index is otherwise invalid.
+ */
+ public void insertSeparator(int index)
+ {
+ insert(new MenuItem(separatorLabel), index);
+ }
-/*************************************************************************/
+ /**
+ * Deletes the item at the specified index from this menu.
+ *
+ * @param index The index of the item to remove.
+ *
+ * @exception ArrayIndexOutOfBoundsException If the index is otherwise invalid.
+ */
+ public synchronized void remove(int index)
+ {
+ MenuItem item = (MenuItem) items.remove(index);
+
+ MenuPeer mp = (MenuPeer) getPeer();
+ if (mp != null)
+ {
+ mp.delItem(index);
+ item.removeNotify();
+ }
+ item.setParent(null);
+ }
-/**
- * Removes the specifed item from the menu. If the specified component
- * does not exist, this method does nothing.
- *
- * @param item The component to remove.
- */
-public void
-remove(MenuComponent item)
-{
- int index = items.indexOf(item);
- if (index == -1)
- return;
+ /**
+ * Removes the specifed item from the menu. If the specified component
+ * does not exist, this method does nothing.
+ *
+ * @param item The component to remove.
+ */
+ public void remove(MenuComponent item)
+ {
+ int index = items.indexOf(item);
+ if (index == -1)
+ return;
- remove(index);
-}
+ remove(index);
+ }
-/*************************************************************************/
+ /**
+ * Removes all the elements from this menu.
+ */
+ public synchronized void removeAll()
+ {
+ int count = getItemCount();
+ for(int i = 0; i < count; i++)
+ {
+ // We must always remove item 0.
+ remove(0);
+ }
+ }
-/**
- * Removes all the elements from this menu.
- */
-public synchronized void
-removeAll()
-{
- int count = getItemCount();
- for(int i = 0; i < count; i++)
+ /**
+ * Creates the native peer for this object.
+ */
+ public void addNotify()
+ {
+ MenuPeer peer = (MenuPeer) getPeer();
+ if (peer == null)
+ {
+ peer = getToolkit().createMenu(this);
+ setPeer(peer);
+ }
+
+ Enumeration e = items.elements();
+ while (e.hasMoreElements())
{
- // We must always remove item 0.
- remove(0);
+ MenuItem mi = (MenuItem)e.nextElement();
+ mi.addNotify();
+ peer.addItem(mi);
}
-}
-/*************************************************************************/
+ super.addNotify();
+ }
-/**
- * Creates the native peer for this object.
- */
-public void
-addNotify()
-{
- MenuPeer peer = (MenuPeer) getPeer();
- if (peer == null)
+ /**
+ * Destroys the native peer for this object.
+ */
+ public void removeNotify()
+ {
+ Enumeration e = items.elements();
+ while (e.hasMoreElements())
{
- peer = getToolkit().createMenu(this);
- setPeer(peer);
+ MenuItem mi = (MenuItem) e.nextElement();
+ mi.removeNotify();
}
-
- Enumeration e = items.elements();
- while (e.hasMoreElements())
- {
- MenuItem mi = (MenuItem)e.nextElement();
- mi.addNotify();
- peer.addItem(mi);
+ super.removeNotify();
}
- super.addNotify ();
-}
-
-/*************************************************************************/
-
-/**
- * Destroys the native peer for this object.
- */
-public void
-removeNotify()
-{
- Enumeration e = items.elements();
- while (e.hasMoreElements())
+ /**
+ * Returns a debugging string for this menu.
+ *
+ * @return A debugging string for this menu.
+ */
+ public String paramString()
{
- MenuItem mi = (MenuItem) e.nextElement();
- mi.removeNotify();
+ return (",tearOff=" + tearOff + ",isHelpMenu=" + isHelpMenu
+ + super.paramString());
}
- super.removeNotify();
-}
-
-/*************************************************************************/
-
-/**
- * Returns a debugging string for this menu.
- *
- * @return A debugging string for this menu.
- */
-public String
-paramString()
-{
- return (",tearOff=" + tearOff + ",isHelpMenu=" + isHelpMenu
- + super.paramString());
-}
/**
* Basic Accessibility class for Menu. Details get provided in derived