| /* SwingListPeer.java -- A Swing based peer for AWT lists |
| Copyright (C) 2006, 2007 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 gnu.java.awt.peer.swing; |
| |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Container; |
| import java.awt.Dimension; |
| import java.awt.Graphics; |
| import java.awt.Image; |
| import java.awt.List; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.event.FocusEvent; |
| import java.awt.event.KeyEvent; |
| import java.awt.event.MouseEvent; |
| import java.awt.peer.ListPeer; |
| |
| import javax.swing.DefaultListModel; |
| import javax.swing.JComponent; |
| import javax.swing.JList; |
| import javax.swing.JScrollPane; |
| import javax.swing.ListSelectionModel; |
| |
| public class SwingListPeer |
| extends SwingComponentPeer |
| implements ListPeer |
| { |
| |
| /** |
| * A spezialized Swing scroller used to hold the list. |
| * |
| * @author Roman Kennke (kennke@aicas.com) |
| */ |
| private class SwingList |
| extends JScrollPane |
| implements SwingComponent |
| { |
| |
| SwingList(Component comp) |
| { |
| super(comp, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, |
| JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); |
| } |
| |
| /** |
| * Returns this label. |
| * |
| * @return <code>this</code> |
| */ |
| public JComponent getJComponent() |
| { |
| return this; |
| } |
| |
| /** |
| * Handles mouse events by forwarding it to |
| * <code>processMouseEvent()</code>. |
| * |
| * @param ev the mouse event |
| */ |
| public void handleMouseEvent(MouseEvent ev) |
| { |
| ev.setSource(this); |
| dispatchEvent(ev); |
| } |
| |
| /** |
| * Force lightweight mouse dispatching. |
| */ |
| public boolean isLightweight() |
| { |
| return false; |
| } |
| |
| /** |
| * Handles mouse motion events by forwarding it to |
| * <code>processMouseMotionEvent()</code>. |
| * |
| * @param ev the mouse motion event |
| */ |
| public void handleMouseMotionEvent(MouseEvent ev) |
| { |
| processMouseMotionEvent(ev); |
| } |
| |
| /** |
| * Handles key events by forwarding it to <code>processKeyEvent()</code>. |
| * |
| * @param ev the mouse event |
| */ |
| public void handleKeyEvent(KeyEvent ev) |
| { |
| processKeyEvent(ev); |
| } |
| |
| /** |
| * Handles focus events by forwarding it to <code>processFocusEvent()</code>. |
| * |
| * @param ev the Focus event |
| */ |
| public void handleFocusEvent(FocusEvent ev) |
| { |
| processFocusEvent(ev); |
| } |
| |
| |
| /** |
| * Overridden so that this method returns the correct value even without a |
| * peer. |
| * |
| * @return the screen location of the button |
| */ |
| public Point getLocationOnScreen() |
| { |
| return SwingListPeer.this.getLocationOnScreen(); |
| } |
| |
| /** |
| * Overridden so that the isShowing method returns the correct value for the |
| * swing button, even if it has no peer on its own. |
| * |
| * @return <code>true</code> if the button is currently showing, |
| * <code>false</code> otherwise |
| */ |
| public boolean isShowing() |
| { |
| boolean retVal = false; |
| if (SwingListPeer.this.awtComponent != null) |
| retVal = SwingListPeer.this.awtComponent.isShowing(); |
| return retVal; |
| } |
| |
| /** |
| * Overridden, so that the Swing button can create an Image without its |
| * own peer. |
| * |
| * @param w the width of the image |
| * @param h the height of the image |
| * |
| * @return an image |
| */ |
| public Image createImage(int w, int h) |
| { |
| return SwingListPeer.this.createImage(w, h); |
| } |
| |
| public Graphics getGraphics() |
| { |
| return SwingListPeer.this.getGraphics(); |
| } |
| |
| public Container getParent() |
| { |
| Container par = null; |
| if (SwingListPeer.this.awtComponent != null) |
| par = SwingListPeer.this.awtComponent.getParent(); |
| return par; |
| } |
| } |
| |
| /** |
| * The actual Swing JList. |
| */ |
| private JList jList; |
| |
| private DefaultListModel listModel; |
| |
| public SwingListPeer(List list) |
| { |
| super(); |
| listModel = new DefaultListModel(); |
| jList = new JList(listModel); |
| SwingList swingList = new SwingList(jList); |
| init(list, swingList); |
| |
| // Pull over the items from the list. |
| String[] items = list.getItems(); |
| for (int i = 0 ; i < items.length; i++) |
| addItem(items[i], i); |
| } |
| |
| public void add(String item, int index) |
| { |
| if (listModel != null) |
| listModel.add(index, item); |
| } |
| |
| public void addItem(String item, int index) |
| { |
| if (listModel != null) |
| listModel.add(index, item); |
| } |
| |
| public void clear() |
| { |
| if (listModel != null) |
| listModel.clear(); |
| } |
| |
| public void delItems(int startIndex, int endIndex) |
| { |
| if (listModel != null) |
| listModel.removeRange(startIndex, endIndex); |
| } |
| |
| public void deselect(int index) |
| { |
| if (jList != null) |
| { |
| jList.getSelectionModel().removeSelectionInterval(index, index); |
| } |
| } |
| |
| public Dimension getMinimumSize(int s) |
| { |
| Dimension d = null; |
| if (jList != null) |
| { |
| d = jList.getComponent(s).getMinimumSize(); |
| } |
| return d; |
| } |
| |
| public Dimension getPreferredSize(int s) |
| { |
| Dimension d = null; |
| if (jList != null) |
| { |
| d = jList.getComponent(s).getPreferredSize(); |
| } |
| return d; |
| } |
| |
| public int[] getSelectedIndexes() |
| { |
| int[] sel = null; |
| if (jList != null) |
| { |
| sel = jList.getSelectedIndices(); |
| } |
| return sel; |
| } |
| |
| public void makeVisible(int index) |
| { |
| if (jList != null) |
| { |
| Component comp = jList.getComponent(index); |
| jList.scrollRectToVisible(comp.getBounds()); |
| } |
| } |
| |
| public Dimension minimumSize(int s) |
| { |
| Dimension d = null; |
| if (jList != null) |
| { |
| d = jList.getComponent(s).getMinimumSize(); |
| } |
| return d; |
| } |
| |
| public Dimension preferredSize(int s) |
| { |
| Dimension d = null; |
| if (jList != null) |
| { |
| d = jList.getComponent(s).getPreferredSize(); |
| } |
| return d; |
| } |
| |
| public void removeAll() |
| { |
| if (jList != null) |
| { |
| jList.removeAll(); |
| } |
| } |
| |
| public void select(int index) |
| { |
| if (jList != null) |
| { |
| jList.setSelectedIndex(index); |
| } |
| } |
| |
| public void setMultipleMode(boolean multi) |
| { |
| if (jList != null) |
| { |
| jList.setSelectionMode(multi |
| ? ListSelectionModel.MULTIPLE_INTERVAL_SELECTION |
| : ListSelectionModel.SINGLE_SELECTION); |
| } |
| } |
| |
| public void setMultipleSelections(boolean multi) |
| { |
| if (jList != null) |
| { |
| jList.setSelectionMode(multi |
| ? ListSelectionModel.MULTIPLE_INTERVAL_SELECTION |
| : ListSelectionModel.SINGLE_SELECTION); |
| } |
| } |
| |
| public void reshape(int x, int y, int width, int height) |
| { |
| if (swingComponent != null) |
| { |
| swingComponent.getJComponent().setBounds(x, y, width, height); |
| swingComponent.getJComponent().validate(); |
| } |
| } |
| |
| protected void peerPaint(Graphics g, boolean update) |
| { |
| super.peerPaint(g, update); |
| jList.doLayout(); |
| jList.list(); |
| |
| Rectangle r = getBounds(); |
| g.setColor(Color.RED); |
| g.drawRect(r.x, r.y, r.width, r.height); |
| } |
| } |