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+/*************************************************************************
+ *
+ * $RCSfile: SelectionView.java,v $
+ *
+ * $Revision: 1.1 $
+ *
+ * last change: $Author: af $ $Date: 2003/06/13 16:30:36 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+package org.openoffice.accessibility.awb.view;
+
+import java.util.Vector;
+
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.GridBagLayout;
+import java.awt.GridBagConstraints;
+
+import javax.swing.BoxLayout;
+import javax.swing.ButtonGroup;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JLabel;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JOptionPane;
+import javax.swing.JRadioButton;
+import javax.swing.JScrollPane;
+import javax.swing.JToggleButton;
+import javax.swing.ListSelectionModel;
+
+
+import com.sun.star.accessibility.AccessibleEventId;
+import com.sun.star.accessibility.AccessibleEventObject;
+import com.sun.star.accessibility.AccessibleRole;
+import com.sun.star.accessibility.AccessibleStateType;
+import com.sun.star.accessibility.XAccessible;
+import com.sun.star.accessibility.XAccessibleContext;
+import com.sun.star.accessibility.XAccessibleSelection;
+import com.sun.star.accessibility.XAccessibleStateSet;
+
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.lang.IndexOutOfBoundsException;
+
+
+/** Display a list of children and select/deselect buttons
+*/
+class SelectionView
+ extends ObjectView
+ implements ActionListener
+{
+ static public ObjectView Create (
+ ObjectViewContainer aContainer,
+ XAccessibleContext xContext)
+ {
+ XAccessibleSelection xSelection = (XAccessibleSelection)UnoRuntime.queryInterface(
+ XAccessibleSelection.class, xContext);
+ if (xSelection != null)
+ return new SelectionView(aContainer);
+ else
+ return null;
+ }
+
+ public SelectionView (ObjectViewContainer aContainer)
+ {
+ super (aContainer);
+ Layout();
+ }
+
+ public String GetTitle ()
+ {
+ return "Selection";
+ }
+
+ /** Create and arrange the widgets for this view.
+ */
+ private void Layout ()
+ {
+ setLayout (new GridBagLayout());
+
+ GridBagConstraints aConstraints = new GridBagConstraints();
+
+ // Label that shows whether the selection is multi selectable.
+ aConstraints.gridx = 0;
+ aConstraints.gridy = 0;
+ aConstraints.anchor = GridBagConstraints.WEST;
+ maTypeLabel = new JLabel ();
+ maTypeLabel.setFont (maContainer.GetViewFont());
+ add (maTypeLabel, aConstraints);
+
+ // the JListBox
+ maChildrenSelector = new JPanel ();
+ maChildrenSelector.setPreferredSize (new Dimension (100,100));
+ maChildrenSelector.setLayout (
+ new BoxLayout (maChildrenSelector, BoxLayout.Y_AXIS));
+
+ aConstraints.gridx = 0;
+ aConstraints.gridwidth = 4;
+ aConstraints.gridy = 1;
+ aConstraints.fill = GridBagConstraints.HORIZONTAL;
+ add (new JScrollPane (maChildrenSelector,
+ JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
+ JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED),
+ aConstraints);
+
+ JButton aButton;
+ aButton = new JButton( "Select all" );
+ aButton.setFont (maContainer.GetViewFont());
+ aButton.setActionCommand( "Select all" );
+ aButton.addActionListener( this );
+ aConstraints.gridx = 0;
+ aConstraints.gridwidth = 1;
+ aConstraints.gridy = 2;
+ aConstraints.fill = GridBagConstraints.NONE;
+ aConstraints.anchor = GridBagConstraints.WEST;
+ add (aButton, aConstraints);
+
+ aButton = new JButton( "Clear Selection" );
+ aButton.setFont (maContainer.GetViewFont());
+ aButton.setActionCommand( "Clear Selection" );
+ aButton.addActionListener( this );
+ aConstraints.gridx = 1;
+ aConstraints.gridy = 2;
+ aConstraints.weightx = 1;
+ add (aButton, aConstraints);
+
+ setSize (getPreferredSize());
+ }
+
+
+ public void SetObject (XAccessibleContext xContext)
+ {
+ mxSelection = (XAccessibleSelection)UnoRuntime.queryInterface(
+ XAccessibleSelection.class, xContext);
+ super.SetObject (xContext);
+ }
+
+
+ public void Update ()
+ {
+ maChildrenSelector.removeAll ();
+
+ // Determine whether multi selection is possible.
+ XAccessibleStateSet aStateSet = mxContext.getAccessibleStateSet();
+ boolean bMultiSelectable = false;
+ if (aStateSet!=null && aStateSet.contains(
+ AccessibleStateType.MULTI_SELECTABLE))
+ {
+ bMultiSelectable = true;
+ maTypeLabel.setText ("multi selectable");
+ }
+ else
+ {
+ maTypeLabel.setText ("single selectable");
+ }
+
+ if (mxContext.getAccessibleRole() != AccessibleRole.TABLE)
+ {
+ int nCount = mxContext.getAccessibleChildCount();
+ for (int i=0; i<nCount; i++)
+ {
+ try
+ {
+ XAccessible xChild = mxContext.getAccessibleChild(i);
+ XAccessibleContext xChildContext = xChild.getAccessibleContext();
+
+ String sName = i + " " + xChildContext.getAccessibleName();
+ JToggleButton aChild;
+ aChild = new JCheckBox (sName);
+ aChild.setFont (maContainer.GetViewFont());
+
+ XAccessibleStateSet aChildStateSet =
+ mxContext.getAccessibleStateSet();
+ aChild.setSelected (aChildStateSet!=null
+ && aChildStateSet.contains(AccessibleStateType.SELECTED));
+
+ aChild.addActionListener (this);
+ maChildrenSelector.add (aChild);
+
+ }
+ catch (IndexOutOfBoundsException e)
+ {
+ }
+ }
+ }
+ }
+
+
+ void SelectAll()
+ {
+ mxSelection.selectAllAccessibleChildren();
+ }
+
+ void ClearSelection()
+ {
+ mxSelection.clearAccessibleSelection();
+ }
+
+
+
+ /** Call the function associated with the pressed button.
+ */
+ public void actionPerformed (ActionEvent aEvent)
+ {
+ String sCommand = aEvent.getActionCommand();
+
+ if (sCommand.equals ("Clear Selection"))
+ ClearSelection();
+ else if (sCommand.equals ("Select all"))
+ SelectAll();
+ else
+ {
+ // Extract the child index from the widget text.
+ String[] aWords = sCommand.split (" ");
+ int nIndex = Integer.parseInt(aWords[0]);
+ try
+ {
+ if (((JToggleButton)aEvent.getSource()).isSelected())
+ mxSelection.selectAccessibleChild (nIndex);
+ else
+ mxSelection.deselectAccessibleChild (nIndex);
+ }
+ catch (IndexOutOfBoundsException e)
+ {
+ System.err.println (
+ "caught exception while changing selection: " + e);
+ }
+ }
+ }
+
+
+ public void notifyEvent (AccessibleEventObject aEvent)
+ {
+ switch (aEvent.EventId)
+ {
+ case AccessibleEventId.SELECTION_CHANGED:
+ case AccessibleEventId.STATE_CHANGED:
+ case AccessibleEventId.CHILD:
+ Update ();
+ }
+ }
+
+ private JPanel maChildrenSelector;
+ private XAccessibleSelection mxSelection;
+ private JLabel maTypeLabel;
+}
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