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Diffstat (limited to 'accessibility/bridge/org/openoffice/java/accessibility/Paragraph.java')
-rw-r--r-- | accessibility/bridge/org/openoffice/java/accessibility/Paragraph.java | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/accessibility/bridge/org/openoffice/java/accessibility/Paragraph.java b/accessibility/bridge/org/openoffice/java/accessibility/Paragraph.java new file mode 100644 index 000000000000..6088bf48eabe --- /dev/null +++ b/accessibility/bridge/org/openoffice/java/accessibility/Paragraph.java @@ -0,0 +1,222 @@ +/************************************************************************* + * + * 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.java.accessibility; + +import javax.accessibility.AccessibleContext; +import javax.accessibility.AccessibleText; + +import com.sun.star.uno.*; +import com.sun.star.accessibility.*; + +/** + */ +public class Paragraph extends Container implements javax.accessibility.Accessible { + + protected Paragraph(XAccessible xAccessible, XAccessibleContext xAccessibleContext) { + super(javax.accessibility.AccessibleRole.TEXT, xAccessible, xAccessibleContext); + } + + protected class AccessibleParagraphListener extends AccessibleContainerListener { + + protected AccessibleParagraphListener() { + super(); + } + + protected void setComponentState(short state, boolean enable) { + switch (state) { + case AccessibleStateType.EDITABLE: + fireStatePropertyChange(javax.accessibility.AccessibleState.EDITABLE, enable); + break; + case AccessibleStateType.MULTI_LINE: + fireStatePropertyChange(javax.accessibility.AccessibleState.MULTI_LINE, enable); + break; + case AccessibleStateType.SINGLE_LINE: + break; + default: + super.setComponentState(state, enable); + break; + } + } + + + protected void handleVisibleDataChanged() { + if (Paragraph.this.isFocusOwner()) { + AccessibleContext ac = accessibleContext; + if (ac != null) { + AccessibleText at = ac.getAccessibleText(); + if (at != null) { + int pos = at.getCaretPosition(); + // Simulating a caret event here should help at tools + // that re not aware of the paragraph approach of OOo. + firePropertyChange(ac.ACCESSIBLE_CARET_PROPERTY, + new Integer(-1), new Integer(pos)); + } + } + } + } + + /** Called by OpenOffice process to notify property changes */ + public void notifyEvent(AccessibleEventObject event) { + switch (event.EventId) { + case AccessibleEventId.CARET_CHANGED: + firePropertyChange(accessibleContext.ACCESSIBLE_CARET_PROPERTY, + Component.toNumber(event.OldValue), + Component.toNumber(event.NewValue)); + break; + case AccessibleEventId.VISIBLE_DATA_CHANGED: + case AccessibleEventId.BOUNDRECT_CHANGED: + // Whenever a paragraph gets inserted above the currently + // focused one, this is the only event that will occur for. + handleVisibleDataChanged(); + default: + super.notifyEvent(event); + break; + } + } + } + + protected XAccessibleEventListener createEventListener() { + return new AccessibleParagraphListener(); + } + + /** Creates the AccessibleContext associated with this object */ + public javax.accessibility.AccessibleContext createAccessibleContext() { + return new AccessibleParagraph(); + } + + protected class AccessibleParagraph extends AccessibleContainer { + + protected AccessibleParagraph() { + // Don't do the queryInterface on XAccessibleText already .. + super(false); + /* Since getAccessibleText() is heavily used by the java access + * bridge for gnome and the gnome at-tools, we do a query interface + * here and remember the result. + */ + accessibleText = AccessibleHypertextImpl.get(unoAccessibleContext); + } + + /* + * AccessibleContext + */ + + /** Gets the role of this object */ + public javax.accessibility.AccessibleRole getAccessibleRole() { + return javax.accessibility.AccessibleRole.TEXT; + } + + /** Gets the AccessibleEditableText associated with this object presenting text on the display */ + public javax.accessibility.AccessibleEditableText getAccessibleEditableText() { + + if (disposed) + return null; + + try { + XAccessibleEditableText unoAccessibleText = (XAccessibleEditableText) + UnoRuntime.queryInterface(XAccessibleEditableText.class, + unoAccessibleComponent); + if (unoAccessibleText != null) { + return new AccessibleEditableTextImpl(unoAccessibleText); + } else { + return null; + } + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Gets the AccessibleAction associated with this object that has a graphical representation */ + public javax.accessibility.AccessibleAction getAccessibleAction() { + try { + XAccessibleAction unoAccessibleAction = (XAccessibleAction) + UnoRuntime.queryInterface(XAccessibleAction.class, unoAccessibleComponent); + return (unoAccessibleAction != null) ? + new AccessibleActionImpl(unoAccessibleAction) : null; + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Returns the relation set of this object */ + public javax.accessibility.AccessibleRelationSet getAccessibleRelationSet() { + try { + XAccessibleRelationSet unoAccessibleRelationSet = + unoAccessible.getAccessibleContext().getAccessibleRelationSet(); + if (unoAccessibleRelationSet == null) { + return super.getAccessibleRelationSet(); + } + + javax.accessibility.AccessibleRelationSet relationSet = new javax.accessibility.AccessibleRelationSet(); + int count = unoAccessibleRelationSet.getRelationCount(); + for (int i = 0; i < count; i++) { + AccessibleRelation unoAccessibleRelation = unoAccessibleRelationSet.getRelation(i); + switch (unoAccessibleRelation.RelationType) { + case AccessibleRelationType.CONTROLLED_BY: + relationSet.add(new javax.accessibility.AccessibleRelation( + javax.accessibility.AccessibleRelation.CONTROLLED_BY, + getAccessibleComponents(unoAccessibleRelation.TargetSet))); + break; + case AccessibleRelationType.CONTROLLER_FOR: + relationSet.add(new javax.accessibility.AccessibleRelation( + javax.accessibility.AccessibleRelation.CONTROLLER_FOR, + getAccessibleComponents(unoAccessibleRelation.TargetSet))); + break; + case AccessibleRelationType.LABELED_BY: + relationSet.add(new javax.accessibility.AccessibleRelation( + javax.accessibility.AccessibleRelation.LABELED_BY, + getAccessibleComponents(unoAccessibleRelation.TargetSet))); + break; + case AccessibleRelationType.MEMBER_OF: + relationSet.add(new javax.accessibility.AccessibleRelation( + javax.accessibility.AccessibleRelation.MEMBER_OF, + getAccessibleComponents(unoAccessibleRelation.TargetSet))); + break; + case AccessibleRelationType.CONTENT_FLOWS_TO: + relationSet.add(new javax.accessibility.AccessibleRelation( + "flowsTo", + getAccessibleComponents(unoAccessibleRelation.TargetSet))); + break; + case AccessibleRelationType.CONTENT_FLOWS_FROM: + relationSet.add(new javax.accessibility.AccessibleRelation( + "flowsFrom", + getAccessibleComponents(unoAccessibleRelation.TargetSet))); + break; + default: + break; + } + } + return relationSet; + } catch (com.sun.star.lang.IndexOutOfBoundsException e) { + return super.getAccessibleRelationSet(); + } catch (com.sun.star.uno.RuntimeException e) { + return super.getAccessibleRelationSet(); + } + } + } +} + |