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Diffstat (limited to 'libjava/java/awt/List.java')
| -rw-r--r-- | libjava/java/awt/List.java | 1263 |
1 files changed, 0 insertions, 1263 deletions
diff --git a/libjava/java/awt/List.java b/libjava/java/awt/List.java deleted file mode 100644 index 5fcc79bfcef..00000000000 --- a/libjava/java/awt/List.java +++ /dev/null @@ -1,1263 +0,0 @@ -/* List.java -- A listbox widget - Copyright (C) 1999, 2002, 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.awt; - -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; -import java.awt.event.ItemEvent; -import java.awt.event.ItemListener; -import java.awt.peer.ListPeer; -import java.util.EventListener; -import java.util.Vector; - -import javax.accessibility.Accessible; -import javax.accessibility.AccessibleContext; -import javax.accessibility.AccessibleRole; -import javax.accessibility.AccessibleSelection; -import javax.accessibility.AccessibleState; -import javax.accessibility.AccessibleStateSet; - -/** - * Class that implements a listbox widget - * - * @author Aaron M. Renn (arenn@urbanophile.com) - */ -public class List extends Component - implements ItemSelectable, Accessible -{ - -/* - * Static Variables - */ - -// Serialization constant -private static final long serialVersionUID = -3304312411574666869L; - -/*************************************************************************/ - -/* - * Instance Variables - */ - -// FIXME: Need read/writeObject - -/** - * @serial The items in the list. - */ -private Vector items = new Vector(); - -/** - * @serial Indicates whether or not multiple items can be selected - * simultaneously. - */ -private boolean multipleMode; - -/** - * @serial The number of rows in the list. This is set on creation - * only and cannot be modified. - */ -private int rows; - -/** - * @serial An array of the item indices that are selected. - */ -private int[] selected; - -/** - * @serial An index value used by <code>makeVisible()</code> and - * <code>getVisibleIndex</code>. - */ -private int visibleIndex; - -// The list of ItemListeners for this object. -private ItemListener item_listeners; - -// The list of ActionListeners for this object. -private ActionListener action_listeners; - - -/*************************************************************************/ - -/* - * Constructors - */ - -/** - * Initializes a new instance of <code>List</code> with no visible lines - * and multi-select disabled. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true. - */ -public -List() -{ - this(4, false); -} - -/*************************************************************************/ - -/** - * Initializes a new instance of <code>List</code> with the specified - * number of visible lines and multi-select disabled. - * - * @param rows The number of visible rows in the list. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true. - */ -public -List(int rows) -{ - this(rows, false); -} - -/*************************************************************************/ - -/** - * Initializes a new instance of <code>List</code> with the specified - * number of lines and the specified multi-select setting. - * - * @param rows The number of visible rows in the list. - * @param multipleMode <code>true</code> if multiple lines can be selected - * simultaneously, <code>false</code> otherwise. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true. - */ -public -List(int rows, boolean multipleMode) -{ - this.rows = rows; - this.multipleMode = multipleMode; - - if (GraphicsEnvironment.isHeadless()) - throw new HeadlessException (); -} - -/*************************************************************************/ - -/* - * Instance Variables - */ - -/** - * Returns the number of items in this list. - * - * @return The number of items in this list. - */ -public int -getItemCount() -{ - return countItems (); -} - -/*************************************************************************/ - -/** - * Returns the number of items in this list. - * - * @return The number of items in this list. - * - * @deprecated This method is deprecated in favor of - * <code>getItemCount()</code> - */ -public int -countItems() -{ - return items.size (); -} - -/*************************************************************************/ - -/** - * Returns the complete list of items. - * - * @return The complete list of items in the list. - */ -public synchronized String[] -getItems() -{ - String[] l_items = new String[getItemCount()]; - - items.copyInto(l_items); - return(l_items); -} - -/*************************************************************************/ - -/** - * Returns the item at the specified index. - * - * @param index The index of the item to retrieve. - * - * @exception IndexOutOfBoundsException If the index value is not valid. - */ -public String -getItem(int index) -{ - return((String)items.elementAt(index)); -} - -/*************************************************************************/ - -/** - * Returns the number of visible rows in the list. - * - * @return The number of visible rows in the list. - */ -public int -getRows() -{ - return(rows); -} - -/*************************************************************************/ - -/** - * Tests whether or not multi-select mode is enabled. - * - * @return <code>true</code> if multi-select mode is enabled, - * <code>false</code> otherwise. - */ -public boolean -isMultipleMode() -{ - return allowsMultipleSelections (); -} - -/*************************************************************************/ - -/** - * Tests whether or not multi-select mode is enabled. - * - * @return <code>true</code> if multi-select mode is enabled, - * <code>false</code> otherwise. - * - * @deprecated This method is deprecated in favor of - * <code>isMultipleMode()</code>. - */ -public boolean -allowsMultipleSelections() -{ - return multipleMode; -} - -/*************************************************************************/ - -/** - * This method enables or disables multiple selection mode for this - * list. - * - * @param multipleMode <code>true</code> to enable multiple mode, - * <code>false</code> otherwise. - */ -public void -setMultipleMode(boolean multipleMode) -{ - setMultipleSelections (multipleMode); -} - -/*************************************************************************/ - -/** - * This method enables or disables multiple selection mode for this - * list. - * - * @param multipleMode <code>true</code> to enable multiple mode, - * <code>false</code> otherwise. - * - * @deprecated - */ -public void -setMultipleSelections(boolean multipleMode) -{ - this.multipleMode = multipleMode; - - ListPeer peer = (ListPeer) getPeer (); - if (peer != null) - peer.setMultipleMode (multipleMode); -} - -/*************************************************************************/ - -/** - * Returns the minimum size of this component. - * - * @return The minimum size of this component. - */ -public Dimension -getMinimumSize() -{ - return getMinimumSize (getRows ()); -} - -/*************************************************************************/ - -/** - * Returns the minimum size of this component. - * - * @return The minimum size of this component. - * - * @deprecated This method is deprecated in favor of - * <code>getMinimumSize</code>. - */ -public Dimension -minimumSize() -{ - return minimumSize (getRows ()); -} - -/*************************************************************************/ - -/** - * Returns the minimum size of this component assuming it had the specified - * number of rows. - * - * @param rows The number of rows to size for. - * - * @return The minimum size of this component. - */ -public Dimension -getMinimumSize(int rows) -{ - return minimumSize (rows); -} - -/*************************************************************************/ - -/** - * Returns the minimum size of this component assuming it had the specified - * number of rows. - * - * @param rows The number of rows to size for. - * - * @return The minimum size of this component. - * - * @deprecated This method is deprecated in favor of - * <code>getMinimumSize(int)</code>> - */ -public Dimension -minimumSize(int rows) -{ - ListPeer peer = (ListPeer) getPeer (); - if (peer != null) - return peer.minimumSize (rows); - else - return new Dimension (0, 0); -} - -/*************************************************************************/ - -/** - * Returns the preferred size of this component. - * - * @return The preferred size of this component. - */ -public Dimension -getPreferredSize() -{ - return getPreferredSize (getRows ()); -} - -/*************************************************************************/ - -/** - * Returns the preferred size of this component. - * - * @return The preferred size of this component. - * - * @deprecated This method is deprecated in favor of - * <code>getPreferredSize</code>. - */ -public Dimension -preferredSize() -{ - return preferredSize (getRows ()); -} - -/*************************************************************************/ - -/** - * Returns the preferred size of this component assuming it had the specified - * number of rows. - * - * @param rows The number of rows to size for. - * - * @return The preferred size of this component. - */ -public Dimension -getPreferredSize(int rows) -{ - return preferredSize (rows); -} - -/*************************************************************************/ - -/** - * Returns the preferred size of this component assuming it had the specified - * number of rows. - * - * @param rows The number of rows to size for. - * - * @return The preferred size of this component. - * - * @deprecated This method is deprecated in favor of - * <code>getPreferredSize(int)</code>> - */ -public Dimension -preferredSize(int rows) -{ - ListPeer peer = (ListPeer) getPeer (); - if (peer != null) - return peer.preferredSize (rows); - else - return new Dimension (0, 0); -} - -/*************************************************************************/ - -/** - * This method adds the specified item to the end of the list. - * - * @param item The item to add to the list. - */ -public void -add(String item) -{ - add (item, -1); -} - -/*************************************************************************/ - -/** - * This method adds the specified item to the end of the list. - * - * @param item The item to add to the list. - * - * @deprecated Use add() instead. - */ -public void -addItem(String item) -{ - addItem (item, -1); -} - -/*************************************************************************/ - -/** - * Adds the specified item to the specified location in the list. - * If the desired index is -1 or greater than the number of rows - * in the list, then the item is added to the end. - * - * @param item The item to add to the list. - * @param index The location in the list to add the item, or -1 to add - * to the end. - */ -public void -add(String item, int index) -{ - addItem (item, index); -} - -/*************************************************************************/ - -/** - * Adds the specified item to the specified location in the list. - * If the desired index is -1 or greater than the number of rows - * in the list, then the item is added to the end. - * - * @param item The item to add to the list. - * @param index The location in the list to add the item, or -1 to add - * to the end. - * - * @deprecated Use add() instead. - */ -public void -addItem(String item, int index) -{ - if ((index == -1) || (index >= items.size ())) - items.addElement (item); - else - items.insertElementAt (item, index); - - ListPeer peer = (ListPeer) getPeer (); - if (peer != null) - peer.add (item, index); -} - -/*************************************************************************/ - -/** - * Deletes the item at the specified index. - * - * @param index The index of the item to delete. - * - * @exception IllegalArgumentException If the index is not valid - * - * @deprecated - */ -public void -delItem(int index) throws IllegalArgumentException -{ - items.removeElementAt (index); - - ListPeer peer = (ListPeer) getPeer (); - if (peer != null) - peer.delItems (index, index); -} - -/*************************************************************************/ - -/** - * Deletes the item at the specified index. - * - * @param index The index of the item to delete. - * - * @exception IllegalArgumentException If the index is not valid - */ -public void -remove(int index) throws IllegalArgumentException -{ - delItem (index); -} - -/*************************************************************************/ - -/** - * Deletes all items in the specified index range. - * - * @param start The beginning index of the range to delete. - * @param end The ending index of the range to delete. - * - * @exception IllegalArgumentException If the indexes are not valid - * - * @deprecated This method is deprecated for some unknown reason. - */ -public synchronized void -delItems(int start, int end) throws IllegalArgumentException -{ - if ((start < 0) || (start >= items.size())) - throw new IllegalArgumentException("Bad list start index value: " + start); - - if ((start < 0) || (start >= items.size())) - throw new IllegalArgumentException("Bad list start index value: " + start); - - if (start > end) - throw new IllegalArgumentException("Start is greater than end!"); - - // We must run the loop in reverse direction. - for (int i = end; i >= start; --i) - items.removeElementAt (i); - if (peer != null) - { - ListPeer l = (ListPeer) peer; - l.delItems (start, end); - } -} - -/*************************************************************************/ - -/** - * Deletes the first occurrence of the specified item from the list. - * - * @param item The item to delete. - * - * @exception IllegalArgumentException If the specified item does not exist. - */ -public synchronized void -remove(String item) throws IllegalArgumentException -{ - int index = items.indexOf(item); - if (index == -1) - throw new IllegalArgumentException("List element to delete not found"); - - remove(index); -} - -/*************************************************************************/ - -/** - * Deletes all of the items from the list. - */ -public synchronized void -removeAll() -{ - clear (); -} - -/*************************************************************************/ - -/** - * Deletes all of the items from the list. - * - * @deprecated This method is deprecated in favor of <code>removeAll()</code>. - */ -public void -clear() -{ - items.clear(); - - ListPeer peer = (ListPeer) getPeer (); - if (peer != null) - peer.removeAll (); -} - -/*************************************************************************/ - -/** - * Replaces the item at the specified index with the specified item. - * - * @param item The new item value. - * @param index The index of the item to replace. - * - * @exception IllegalArgumentException If the index is not valid. - */ -public synchronized void -replaceItem(String item, int index) throws IllegalArgumentException -{ - if ((index < 0) || (index >= items.size())) - throw new IllegalArgumentException("Bad list index: " + index); - - items.insertElementAt(item, index + 1); - items.removeElementAt (index); - - if (peer != null) - { - ListPeer l = (ListPeer) peer; - - /* We add first and then remove so that the selected - item remains the same */ - l.add (item, index + 1); - l.delItems (index, index); - } -} - -/*************************************************************************/ - -/** - * Returns the index of the currently selected item. -1 will be returned - * if there are no selected rows or if there are multiple selected rows. - * - * @return The index of the selected row. - */ -public synchronized int -getSelectedIndex() -{ - if (peer != null) - { - ListPeer l = (ListPeer) peer; - selected = l.getSelectedIndexes (); - } - - if (selected == null || selected.length != 1) - return -1; - return selected[0]; -} - -/*************************************************************************/ - -/** - * Returns an array containing the indexes of the rows that are - * currently selected. - * - * @return A list of indexes of selected rows. - */ -public synchronized int[] -getSelectedIndexes() -{ - if (peer != null) - { - ListPeer l = (ListPeer) peer; - selected = l.getSelectedIndexes (); - } - return selected; -} - -/*************************************************************************/ - -/** - * Returns the item that is currently selected, or <code>null</code> if there - * is no item selected. FIXME: What happens if multiple items selected? - * - * @return The selected item, or <code>null</code> if there is no - * selected item. - */ -public synchronized String -getSelectedItem() -{ - int index = getSelectedIndex(); - if (index == -1) - return(null); - - return((String)items.elementAt(index)); -} - -/*************************************************************************/ - -/** - * Returns the list of items that are currently selected in this list. - * - * @return The list of currently selected items. - */ -public synchronized String[] -getSelectedItems() -{ - int[] indexes = getSelectedIndexes(); - if (indexes == null) - return(new String[0]); - - String[] retvals = new String[indexes.length]; - if (retvals.length > 0) - for (int i = 0 ; i < retvals.length; i++) - retvals[i] = (String)items.elementAt(indexes[i]); - - return(retvals); -} - -/*************************************************************************/ - -/** - * Returns the list of items that are currently selected in this list as - * an array of type <code>Object[]</code> instead of <code>String[]</code>. - * - * @return The list of currently selected items. - */ -public synchronized Object[] -getSelectedObjects() -{ - int[] indexes = getSelectedIndexes(); - if (indexes == null) - return(new Object[0]); - - Object[] retvals = new Object[indexes.length]; - if (retvals.length > 0) - for (int i = 0 ; i < retvals.length; i++) - retvals[i] = items.elementAt(indexes[i]); - - return(retvals); -} - -/*************************************************************************/ - -/** - * Tests whether or not the specified index is selected. - * - * @param index The index to test. - * - * @return <code>true</code> if the index is selected, <code>false</code> - * otherwise. - */ -public boolean -isIndexSelected(int index) -{ - return isSelected (index); -} - -/*************************************************************************/ - -/** - * Tests whether or not the specified index is selected. - * - * @param index The index to test. - * - * @return <code>true</code> if the index is selected, <code>false</code> - * otherwise. - * - * @deprecated This method is deprecated in favor of - * <code>isIndexSelected(int)</code>. - */ -public boolean -isSelected(int index) -{ - int[] indexes = getSelectedIndexes (); - - for (int i = 0; i < indexes.length; i++) - if (indexes[i] == index) - return true; - - return false; -} - -/*************************************************************************/ - -/** - * This method ensures that the item at the specified index is visible. - * - * @exception IllegalArgumentException If the specified index is out of - * range. - */ -public synchronized void -makeVisible(int index) throws IllegalArgumentException -{ - if ((index < 0) || (index >= items.size())) - throw new IllegalArgumentException("Bad list index: " + index); - - visibleIndex = index; - if (peer != null) - { - ListPeer l = (ListPeer) peer; - l.makeVisible (index); - } -} - -/*************************************************************************/ - -/** - * Returns the index of the last item that was made visible via the - * <code>makeVisible()</code> method. - * - * @return The index of the last item made visible via the - * <code>makeVisible()</code> method. - */ -public int -getVisibleIndex() -{ - return(visibleIndex); -} - -/*************************************************************************/ - -/** - * Makes the item at the specified index selected. - * - * @param index The index of the item to select. - */ -public synchronized void -select(int index) -{ - ListPeer lp = (ListPeer)getPeer(); - if (lp != null) - lp.select(index); -} - -/*************************************************************************/ - -/** - * Makes the item at the specified index not selected. - * - * @param index The index of the item to unselect. - */ -public synchronized void -deselect(int index) -{ - ListPeer lp = (ListPeer)getPeer(); - if (lp != null) - lp.deselect(index); -} - -/*************************************************************************/ - -/** - * Notifies this object to create its native peer. - */ -public void -addNotify() -{ - if (peer == null) - peer = getToolkit ().createList (this); - super.addNotify (); -} - -/*************************************************************************/ - -/** - * Notifies this object to destroy its native peer. - */ -public void -removeNotify() -{ - super.removeNotify(); -} - -/*************************************************************************/ - -/** - * Adds the specified <code>ActionListener</code> to the list of - * registered listeners for this object. - * - * @param listener The listener to add. - */ -public synchronized void -addActionListener(ActionListener listener) -{ - action_listeners = AWTEventMulticaster.add(action_listeners, listener); -} - -/*************************************************************************/ - -/** - * Removes the specified <code>ActionListener</code> from the list of - * registers listeners for this object. - * - * @param listener The listener to remove. - */ -public synchronized void -removeActionListener(ActionListener listener) -{ - action_listeners = AWTEventMulticaster.remove(action_listeners, listener); -} - -/*************************************************************************/ - -/** - * Adds the specified <code>ItemListener</code> to the list of - * registered listeners for this object. - * - * @param listener The listener to add. - */ -public synchronized void -addItemListener(ItemListener listener) -{ - item_listeners = AWTEventMulticaster.add(item_listeners, listener); -} - -/*************************************************************************/ - -/** - * Removes the specified <code>ItemListener</code> from the list of - * registers listeners for this object. - * - * @param listener The listener to remove. - */ -public synchronized void -removeItemListener(ItemListener listener) -{ - item_listeners = AWTEventMulticaster.remove(item_listeners, listener); -} - -/*************************************************************************/ - -/** - * Processes the specified event for this object. If the event is an - * instance of <code>ActionEvent</code> then the - * <code>processActionEvent()</code> method is called. Similarly, if the - * even is an instance of <code>ItemEvent</code> then the - * <code>processItemEvent()</code> method is called. Otherwise the - * superclass method is called to process this event. - * - * @param event The event to process. - */ -protected void -processEvent(AWTEvent event) -{ - if (event instanceof ActionEvent) - processActionEvent((ActionEvent)event); - else if (event instanceof ItemEvent) - processItemEvent((ItemEvent)event); - else - super.processEvent(event); -} - -/*************************************************************************/ - -/** - * This method processes the specified event by dispatching it to any - * registered listeners. Note that this method will only get called if - * action events are enabled. This will happen automatically if any - * listeners are added, or it can be done "manually" by calling - * the <code>enableEvents()</code> method. - * - * @param event The event to process. - */ -protected void -processActionEvent(ActionEvent event) -{ - if (action_listeners != null) - action_listeners.actionPerformed(event); -} - -/*************************************************************************/ - -/** - * This method processes the specified event by dispatching it to any - * registered listeners. Note that this method will only get called if - * item events are enabled. This will happen automatically if any - * listeners are added, or it can be done "manually" by calling - * the <code>enableEvents()</code> method. - * - * @param event The event to process. - */ -protected void -processItemEvent(ItemEvent event) -{ - if (item_listeners != null) - item_listeners.itemStateChanged(event); -} - -void -dispatchEventImpl(AWTEvent e) -{ - if (e.id <= ItemEvent.ITEM_LAST - && e.id >= ItemEvent.ITEM_FIRST - && (item_listeners != null - || (eventMask & AWTEvent.ITEM_EVENT_MASK) != 0)) - processEvent(e); - else if (e.id <= ActionEvent.ACTION_LAST - && e.id >= ActionEvent.ACTION_FIRST - && (action_listeners != null - || (eventMask & AWTEvent.ACTION_EVENT_MASK) != 0)) - processEvent(e); - else - super.dispatchEventImpl(e); -} - -/*************************************************************************/ - -/** - * Returns a debugging string for this object. - * - * @return A debugging string for this object. - */ -protected String -paramString() -{ - return "multiple=" + multipleMode + ",rows=" + rows + super.paramString(); -} - - /** - * Returns an array of all the objects currently registered as FooListeners - * upon this <code>List</code>. FooListeners are registered using the - * addFooListener method. - * - * @exception ClassCastException If listenerType doesn't specify a class or - * interface that implements java.util.EventListener. - */ - public EventListener[] getListeners (Class listenerType) - { - if (listenerType == ActionListener.class) - return AWTEventMulticaster.getListeners (action_listeners, listenerType); - - if (listenerType == ItemListener.class) - return AWTEventMulticaster.getListeners (item_listeners, listenerType); - - return super.getListeners (listenerType); - } - - /** - * Returns all action listeners registered to this object. - */ - public ActionListener[] getActionListeners () - { - return (ActionListener[]) getListeners (ActionListener.class); - } - - /** - * Returns all action listeners registered to this object. - */ - public ItemListener[] getItemListeners () - { - return (ItemListener[]) getListeners (ItemListener.class); - } - - // Accessibility internal class - protected class AccessibleAWTList extends AccessibleAWTComponent - implements AccessibleSelection, ItemListener, ActionListener - { - protected class AccessibleAWTListChild extends AccessibleAWTComponent - implements Accessible - { - private int index; - private List parent; - - public AccessibleAWTListChild(List parent, int indexInParent) - { - this.parent = parent; - index = indexInParent; - if (parent == null) - index = -1; - } - - /* (non-Javadoc) - * @see javax.accessibility.Accessible#getAccessibleContext() - */ - public AccessibleContext getAccessibleContext() - { - return this; - } - - public AccessibleRole getAccessibleRole() - { - return AccessibleRole.LIST_ITEM; - } - - public AccessibleStateSet getAccessibleStateSet() - { - AccessibleStateSet states = super.getAccessibleStateSet(); - if (parent.isIndexSelected(index)) - states.add(AccessibleState.SELECTED); - return states; - } - - public int getAccessibleIndexInParent() - { - return index; - } - - } - - public AccessibleAWTList() - { - addItemListener(this); - addActionListener(this); - } - - public AccessibleRole getAccessibleRole() - { - return AccessibleRole.LIST; - } - - public AccessibleStateSet getAccessibleStateSet() - { - AccessibleStateSet states = super.getAccessibleStateSet(); - states.add(AccessibleState.SELECTABLE); - if (isMultipleMode()) - states.add(AccessibleState.MULTISELECTABLE); - return states; - } - - public int getAccessibleChildrenCount() - { - return getItemCount(); - } - - public Accessible getAccessibleChild(int i) - { - if (i >= getItemCount()) - return null; - return new AccessibleAWTListChild(List.this, i); - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#getAccessibleSelectionCount() - */ - public int getAccessibleSelectionCount() - { - return getSelectedIndexes().length; - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#getAccessibleSelection() - */ - public AccessibleSelection getAccessibleSelection() - { - return this; - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#getAccessibleSelection(int) - */ - public Accessible getAccessibleSelection(int i) - { - int[] items = getSelectedIndexes(); - if (i >= items.length) - return null; - return new AccessibleAWTListChild(List.this, items[i]); - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#isAccessibleChildSelected(int) - */ - public boolean isAccessibleChildSelected(int i) - { - return isIndexSelected(i); - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#addAccessibleSelection(int) - */ - public void addAccessibleSelection(int i) - { - select(i); - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#removeAccessibleSelection(int) - */ - public void removeAccessibleSelection(int i) - { - deselect(i); - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#clearAccessibleSelection() - */ - public void clearAccessibleSelection() - { - for (int i = 0; i < getItemCount(); i++) - deselect(i); - } - - /* (non-Javadoc) - * @see javax.accessibility.AccessibleSelection#selectAllAccessibleSelection() - */ - public void selectAllAccessibleSelection() - { - if (isMultipleMode()) - for (int i = 0; i < getItemCount(); i++) - select(i); - } - - /* (non-Javadoc) - * @see java.awt.event.ItemListener#itemStateChanged(java.awt.event.ItemEvent) - */ - public void itemStateChanged(ItemEvent event) - { - } - - /* (non-Javadoc) - * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent) - */ - public void actionPerformed(ActionEvent event) - { - } - - } - - /** - * Gets the AccessibleContext associated with this <code>List</code>. - * The context is created, if necessary. - * - * @return the associated context - */ - public AccessibleContext getAccessibleContext() - { - /* Create the context if this is the first request */ - if (accessibleContext == null) - accessibleContext = new AccessibleAWTList(); - return accessibleContext; - } -} // class List |
