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Diffstat (limited to 'accessibility/workben/org/openoffice/accessibility/awb/view/SelectionView.java')
| -rw-r--r-- | accessibility/workben/org/openoffice/accessibility/awb/view/SelectionView.java | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/accessibility/workben/org/openoffice/accessibility/awb/view/SelectionView.java b/accessibility/workben/org/openoffice/accessibility/awb/view/SelectionView.java new file mode 100644 index 000000000000..ad5a83467372 --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/view/SelectionView.java @@ -0,0 +1,267 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +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; +} |