diff options
Diffstat (limited to 'accessibility/workben/org/openoffice/accessibility/awb/canvas')
7 files changed, 1169 insertions, 0 deletions
diff --git a/accessibility/workben/org/openoffice/accessibility/awb/canvas/Canvas.java b/accessibility/workben/org/openoffice/accessibility/awb/canvas/Canvas.java new file mode 100644 index 000000000000..86b642e8091c --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/canvas/Canvas.java @@ -0,0 +1,322 @@ +/************************************************************************* + * + * 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.canvas; + +import java.awt.Color; +import java.awt.Dimension; +import java.awt.Graphics; +import java.awt.Graphics2D; +import java.awt.Rectangle; +import java.awt.RenderingHints; +import java.awt.Toolkit; +import java.awt.geom.Rectangle2D; +import java.util.Iterator; +import javax.swing.JPanel; +import javax.swing.JScrollPane; +import javax.swing.JViewport; +import javax.swing.event.TreeSelectionEvent; +import javax.swing.tree.TreePath; + +import com.sun.star.accessibility.XAccessible; +import com.sun.star.accessibility.XAccessibleContext; +import com.sun.star.accessibility.XAccessibleComponent; + +import org.openoffice.accessibility.misc.Options; + +/** This canvas displays accessible objects graphically. Each accessible + object with graphical representation is represented by an + CanvasShape object and has to be added by the + <member>addAccessible</member> member function. + + <p>The canvas listens to selection events of the associated JTree and + highlights the first selected node of that tree.</p> +*/ +public class Canvas + extends JPanel +{ + // This constant can be passed to SetZoomMode to always show the whole screen. + public static final int WHOLE_SCREEN = -1; + + public Canvas () + { + super (true); + maShapeList = new ShapeContainer (this); + maMouseObserver = new MouseObserver (this); + maTree = null; + mnHOffset = 0; + mnVOffset = 0; + mnScale = 1; + maLastWidgetSize = new Dimension (0,0); + } + + + + /** Tell the canvas which tree to use to highlight accessible + objects and to observe for changes in the tree structure. + */ + public void SetTree (javax.swing.JTree aTree) + { + if (aTree != maTree) + { + maTree = aTree; + maShapeList.SetTree (maTree); + maMouseObserver.SetTree (maTree); + } + } + + + + + private void Clear () + { + maShapeList.Clear(); + } + + + + + public Iterator GetShapeIterator () + { + return maShapeList.GetIterator(); + } + + + + + public void paintComponent (Graphics g) + { + synchronized (g) + { + super.paintComponent (g); + + Graphics2D g2 = (Graphics2D)g; + if (Options.GetBoolean("Antialiasing")) + g2.setRenderingHint (RenderingHints.KEY_ANTIALIASING, + RenderingHints.VALUE_ANTIALIAS_ON); + else + g2.setRenderingHint (RenderingHints.KEY_ANTIALIASING, + RenderingHints.VALUE_ANTIALIAS_OFF); + + setupTransformation (); + g2.translate (mnHOffset, mnVOffset); + g2.scale (mnScale, mnScale); + + // Draw the screen representation to give a hint of the location of the + // accessible object on the screen. + Dimension aScreenSize = Toolkit.getDefaultToolkit().getScreenSize(); + Rectangle2D.Double aScreen = new Rectangle2D.Double ( + 0, + 0, + aScreenSize.getWidth(), + aScreenSize.getHeight()); + // Fill the screen rectangle and draw a frame arround it to increase its visibility. + g2.setColor (new Color (250,240,230)); + g2.fill (aScreen); + g2.setColor (Color.BLACK); + g2.draw (aScreen); + + synchronized (maShapeList) + { + Iterator aShapeIterator = maShapeList.GetIterator(); + boolean bShowDescriptions = Options.GetBoolean ("ShowDescriptions"); + boolean bShowNames = Options.GetBoolean ("ShowNames"); + boolean bShowText = Options.GetBoolean ("ShowText"); + while (aShapeIterator.hasNext()) + { + CanvasShape aCanvasShape = + (CanvasShape)aShapeIterator.next(); + try + { + aCanvasShape.paint ( + g2, + bShowDescriptions, bShowNames, bShowText); + } + catch (Exception aException) + { + System.err.println ("caught exception while painting a shape:" + + aException); + aException.printStackTrace (System.err); + } + } + } + + // Paint highlighted frame around active object as the last thing. + if (maActiveObject != null) + maActiveObject.paint_highlight (g2); + } + } + + + + + /** Set up the transformation so that the graphical display can show a + centered representation of the whole screen. + */ + private void setupTransformation () + { + // Turn off scrollbars when showing the whole screen. Otherwise show them when needed. + JViewport aViewport = (JViewport)getParent(); + JScrollPane aScrollPane = (JScrollPane)aViewport.getParent(); + int nZoomMode = Options.GetInteger ("ZoomMode", WHOLE_SCREEN); + if (nZoomMode == WHOLE_SCREEN) + { + if (aScrollPane.getHorizontalScrollBarPolicy() + != JScrollPane.HORIZONTAL_SCROLLBAR_NEVER) + aScrollPane.setHorizontalScrollBarPolicy ( + JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); + if (aScrollPane.getVerticalScrollBarPolicy() + != JScrollPane.VERTICAL_SCROLLBAR_NEVER) + aScrollPane.setVerticalScrollBarPolicy ( + JScrollPane.VERTICAL_SCROLLBAR_NEVER); + } + else + { + if (aScrollPane.getHorizontalScrollBarPolicy() + != JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED) + aScrollPane.setHorizontalScrollBarPolicy ( + JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); + if (aScrollPane.getVerticalScrollBarPolicy() + != JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED) + aScrollPane.setVerticalScrollBarPolicy ( + JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED); + } + + Dimension aScreenSize = Toolkit.getDefaultToolkit().getScreenSize(); + Dimension aWidgetSize = aViewport.getSize(); + { + if ((aScreenSize.getWidth() > 0) && (aScreenSize.getHeight() > 0)) + { + if (nZoomMode == WHOLE_SCREEN) + { + // Calculate the scales that would map the screen onto the + // widget in both of the coordinate axes and select the + // smaller + // of the two: it maps the screen onto the widget in both + // axes at the same time. + double nHScale = (aWidgetSize.getWidth() - 10) + / aScreenSize.getWidth(); + double nVScale = (aWidgetSize.getHeight() - 10) + / aScreenSize.getHeight(); + if (nHScale < nVScale) + mnScale = nHScale; + else + mnScale = nVScale; + } + else + { + mnScale = nZoomMode / 100.0; + } + + // Calculate offsets that center the scaled screen inside + // the widget. + mnHOffset = (aWidgetSize.getWidth() + - mnScale*aScreenSize.getWidth()) / 2.0; + mnVOffset = (aWidgetSize.getHeight() + - mnScale*aScreenSize.getHeight()) / 2.0; + if (mnHOffset < 0) + mnHOffset = 0; + if (mnVOffset < 0) + mnVOffset = 0; + + setPreferredSize (new Dimension ( + (int)(2*mnHOffset + mnScale * aScreenSize.getWidth()), + (int)(2*mnVOffset + mnScale * aScreenSize.getHeight()))); + revalidate (); + } + else + { + // In case of a degenerate (not yet initialized?) screen size + // use some meaningless default values. + mnScale = 1; + mnHOffset = 0; + mnVOffset = 0; + } + } + maLastWidgetSize = aWidgetSize; + } + + + + protected boolean HighlightObject (CanvasShape aNewActiveObject) + { + if (aNewActiveObject != maActiveObject) + { + if (maActiveObject != null) + maActiveObject.Highlight (false); + + maActiveObject = aNewActiveObject; + if (maActiveObject != null) + { + /* if (maTree != null) + { + TreePath aPath = new TreePath ( + maActiveObject.GetNode().GetPath()); + maTree.scrollPathToVisible (aPath); + maTree.setSelectionPath (aPath); + maTree.repaint (); + } + */ + maActiveObject.Highlight (true); + } + repaint (); + return true; + } + else + return false; + } + + + + + /** Called when the selection of the tree changes. Highlight the + corresponding graphical representation of the object. + */ + public void SelectObject (javax.swing.tree.TreeNode aNode) + { + CanvasShape aCanvasShape = maShapeList.Get (aNode); + HighlightObject (aCanvasShape); + } + + + + + private int + mnXAnchor, + mnYAnchor, + maResizeFlag; + private double + mnHOffset, + mnVOffset, + mnScale; + private CanvasShape maActiveObject; + private javax.swing.JTree maTree; + // The size of the widget at the last call of setupTransformation() + private Dimension maLastWidgetSize; + private ShapeContainer maShapeList; + private MouseObserver maMouseObserver; +} diff --git a/accessibility/workben/org/openoffice/accessibility/awb/canvas/CanvasShape.java b/accessibility/workben/org/openoffice/accessibility/awb/canvas/CanvasShape.java new file mode 100644 index 000000000000..f2595351a4f5 --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/canvas/CanvasShape.java @@ -0,0 +1,412 @@ +/************************************************************************* + * + * 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.canvas; + +import java.awt.Color; +import java.awt.Dimension; +import java.awt.Graphics2D; +import java.awt.Point; +import java.awt.Rectangle; +import java.awt.geom.Point2D; +import java.awt.geom.Rectangle2D; +import java.awt.geom.AffineTransform; +import java.awt.geom.NoninvertibleTransformException; + + +import com.sun.star.accessibility.*; +import com.sun.star.lang.EventObject; +import com.sun.star.uno.UnoRuntime; + + +class CanvasShape implements XAccessibleEventListener +{ + public final Color maHighlightColor = Color.red; + public final Color maSelectionColor = Color.green; + public final Color maFocusColor = Color.blue; + + public CanvasShape (javax.swing.tree.TreeNode aNode, Canvas aCanvas) + { + maNode = aNode; + msName = "<no name>"; + msDescription = "<no description>"; + maShape = new Rectangle2D.Double (-10,-10,10,10); + maPosition = new Point (-10,-10); + maSize = new Dimension (10,10); + maFgColor = java.awt.Color.black; + maBgColor = Color.blue; + mnRole = -1; + mbHighlighted = false; + mbSelected = false; + mbFocused = false; + maCanvas = aCanvas; + + Update (); + } + + + + + public javax.swing.tree.TreePath getNodePath (javax.swing.tree.TreeNode node) + { + javax.swing.tree.TreeNode parent = node.getParent(); + return (parent != null) ? + getNodePath(parent).pathByAddingChild(node) : + new javax.swing.tree.TreePath(node); + } + + public javax.swing.tree.TreePath getNodePath () + { + return getNodePath(maNode); + } + + + + /** Update the data obtained from the <type>AccessibilityNode</type> + object. + */ + public void Update () + { + if (maNode instanceof XAccessible) { + mxContext = ((XAccessible) maNode).getAccessibleContext(); + mxComponent = (XAccessibleComponent)UnoRuntime.queryInterface( + XAccessibleComponent.class, mxContext); + } + + if (mxContext != null) + { + msName = mxContext.getAccessibleName(); + msDescription = mxContext.getAccessibleDescription(); + mnRole = mxContext.getAccessibleRole(); + + // Extract the selected and focused flag. + XAccessibleStateSet xStateSet = mxContext.getAccessibleStateSet (); + if (xStateSet != null) + { + mbSelected = xStateSet.contains (AccessibleStateType.SELECTED); + mbFocused = xStateSet.contains (AccessibleStateType.FOCUSED); + } + } + + UpdateGeometry (); + + if (mxComponent != null) + { + // Note: alpha values in office 0..255 have to be mapped to + // 255..0 in Java + Color aCol = new Color (mxComponent.getForeground(), true); + maFgColor = new Color (aCol.getRed (), + aCol.getGreen (), + aCol.getBlue (), + 0xff - aCol.getAlpha ()); + aCol = new Color (mxComponent.getBackground(), true); + maBgColor = new Color (aCol.getRed (), + aCol.getGreen (), + aCol.getBlue (), + 0xff - aCol.getAlpha ()); + } + } + + + + public void UpdateGeometry () + { + if (mxComponent != null) + { + com.sun.star.awt.Point aLocationOnScreen = + mxComponent.getLocationOnScreen(); + com.sun.star.awt.Size aSizeOnScreen = mxComponent.getSize(); + maPosition = new Point ( + aLocationOnScreen.X, + aLocationOnScreen.Y); + maSize = new Dimension ( + aSizeOnScreen.Width, + aSizeOnScreen.Height); + } + } + + + + /** Paint the object into the specified canvas. It is transformed + according to the specified offset and scale. + */ + public void paint ( + Graphics2D g, + boolean bShowDescription, + boolean bShowName, + boolean bShowText) + { + try{ + // Transform the object's position and size according to the + // specified offset and scale. + Point aLocation = new Point(); + maShape = new Rectangle2D.Double ( + maPosition.x, + maPosition.y, + maSize.width, + maSize.height); + maTransformation = g.getTransform(); + + // Fill the object's bounding box with its background color if it + // has no children. + if (mxContext.getAccessibleChildCount() == 0) + { + g.setColor (maBgColor); + g.fill (maShape); + } + + // Remove alpha channel from color before drawing the frame. + Color color = maFgColor; + if (maFgColor.getAlpha()<128) + color = new Color (maFgColor.getRed(), maFgColor.getGreen(), maFgColor.getBlue()); + g.setColor (color); + g.draw (maShape); + + if (mbFocused) + { + g.setColor (maFocusColor); + for (int x=0; x<=2; x++) + for (int y=0; y<=2; y++) + g.fill ( + new Rectangle2D.Double ( + maShape.x + x/2.0 * maShape.width-3, + maShape.y + y/2.0 * maShape.height-3, + 6, + 6)); + } + if (mbSelected) + { + g.setColor (maSelectionColor); + for (int x=0; x<=2; x++) + for (int y=0; y<=2; y++) + g.draw ( + new Rectangle2D.Double ( + maShape.x + x/2.0 * maShape.width-2, + maShape.y + y/2.0 * maShape.height-2, + 4, + 4)); + } + + // Write the object's text OR name and description. + g.setColor (maFgColor); + if (bShowName) + paintName (g); + if (bShowDescription) + paintDescription (g); + if (bShowText) + paintText (g); + } + catch (Exception e) + { // don't care + } + } + + + public void paint_highlight (Graphics2D g) + { + if (mbHighlighted) + g.setColor (maHighlightColor); + else + g.setColor (maFgColor); + g.draw (maShape); + } + + + + + private void paintName (Graphics2D g) + { + g.drawString ("Name: " + msName, + (float)maShape.x+5, + (float)maShape.y+15); + } + + + + private void paintDescription (Graphics2D g) + { + g.drawString ("Description: " + msDescription, + (float)maShape.x+5, + (float)maShape.y+35); + } + + + + + private void paintText (Graphics2D g) + { + XAccessibleText xText = null; + // get XAccessibleText + xText = (XAccessibleText)UnoRuntime.queryInterface( + XAccessibleText.class, mxContext); + + // Draw every character in the text string. + if (xText != null) + { + String sText = xText.getText(); + try + { + for(int i = 0; i < sText.length(); i++) + { + com.sun.star.awt.Rectangle aRect = + xText.getCharacterBounds(i); + + double x = maShape.x + aRect.X; + double y = maShape.y + aRect.Y + aRect.Height; + + g.drawString (sText.substring(i, i+1), (float)x, (float)y); + } + } + catch (com.sun.star.lang.IndexOutOfBoundsException e) + {} + } + } + + + /** Compute whether the specified point lies inside the object's + bounding box. + */ + public boolean Contains (int x, int y) + { + Point2D aPosition = new Point2D.Double (x,y); + try + { + maTransformation.inverseTransform (aPosition, aPosition); + // System.out.println ("transformed "+x+","+y+" to "+aPosition); + } + catch (NoninvertibleTransformException aException) + { + return false; + } + return (maShape.contains (aPosition)); + } + + public void Highlight (boolean bFlag) + { + mbHighlighted = bFlag; + } + + public boolean IsHighlighted () + { + return mbHighlighted; + } + + public Rectangle GetBBox () + { + return new Rectangle (maPosition, maSize); + } + + public Point getOrigin () + { + return maPosition; + } + + public Dimension GetSize () + { + return maSize; + } + + public int getRole () + { + return mnRole; + } + + public XAccessibleContext getContext () + { + return mxContext; + } + + public XAccessibleComponent getComponent () + { + return mxComponent; + } + + public String toString () + { + return ">"+msName+", "+msDescription+" +"+maPosition.x+"+"+maPosition.y + +"x"+maSize.width+"x"+maSize.height+"<"; + } + + /** */ + public void notifyEvent(com.sun.star.accessibility.AccessibleEventObject aEvent) { + try { + switch (aEvent.EventId) { + case AccessibleEventId.BOUNDRECT_CHANGED: + case AccessibleEventId.VISIBLE_DATA_CHANGED: + UpdateGeometry (); + maCanvas.repaint(); + break; + default: + break; + } + } catch (Exception aException) { + System.err.println ("caught exception while updating a shape:" + + aException); + aException.printStackTrace (System.err); + } + } + + /** Callback for disposing events. + */ + public void disposing (com.sun.star.lang.EventObject e) + { + System.out.println ("Disposing"); + } + + + + + private Canvas + maCanvas; + private javax.swing.tree.TreeNode + maNode; + private XAccessibleContext + mxContext; + private XAccessibleComponent + mxComponent; + private String + msDescription, + msName; + private Rectangle2D.Double maShape; + private AffineTransform maTransformation; + private Point maPosition; + private Dimension + maTransformedSize, + maSize; + private Color + maFgColor, + maBgColor; + private boolean + // Highlighting objects is an internal concept. Corresponds to selection in the tree view. + mbHighlighted, + // Set when the accessible object is selected. + mbSelected, + // Set when the accessible object is focused. + mbFocused; + private int + mnRole; +} diff --git a/accessibility/workben/org/openoffice/accessibility/awb/canvas/Makefile b/accessibility/workben/org/openoffice/accessibility/awb/canvas/Makefile new file mode 100644 index 000000000000..078ac7ee4286 --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/canvas/Makefile @@ -0,0 +1,13 @@ +all : package + +ROOT=../../../../.. +PACKAGE = org.openoffice.accessibility.awb.canvas +SUBDIRS = +include makefile.common + +include $(ROOT)/makefile.in + + +package : $(CLASS_FILES) + + diff --git a/accessibility/workben/org/openoffice/accessibility/awb/canvas/MouseObserver.java b/accessibility/workben/org/openoffice/accessibility/awb/canvas/MouseObserver.java new file mode 100644 index 000000000000..3e7e2807906d --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/canvas/MouseObserver.java @@ -0,0 +1,104 @@ +package org.openoffice.accessibility.awb.canvas; + +import java.awt.Dimension; +import java.awt.event.InputEvent; +import java.awt.event.MouseEvent; +import java.awt.event.MouseListener; +import java.awt.event.MouseMotionListener; +import java.util.Iterator; +import javax.swing.tree.TreePath; + + +/** Observe the mouse and highlight shapes of the canvas when clicked. +*/ +public class MouseObserver + implements MouseListener, + MouseMotionListener +{ + public MouseObserver (Canvas aCanvas) + { + maCanvas = aCanvas; + maCanvas.addMouseListener (this); + maCanvas.addMouseMotionListener (this); + } + + + public void SetTree (javax.swing.JTree aTree) + { + maTree = aTree; + } + + public void mouseClicked (MouseEvent e) + {} + + public void mousePressed (MouseEvent e) + { + CanvasShape aObjectUnderMouse = FindCanvasShapeUnderMouse (e); + maTree.clearSelection(); + if (aObjectUnderMouse != null) + { + TreePath aPath = aObjectUnderMouse.getNodePath(); + if ((e.getModifiers() & InputEvent.CTRL_MASK) != 0) + maTree.expandPath (aPath); + // Selecting the entry will eventually highlight the shape. + maTree.setSelectionPath (aPath); + maTree.makeVisible (aPath); + } + } + + public void mouseReleased (MouseEvent e) + {} + + public void mouseEntered (MouseEvent e) + {} + + public void mouseExited (MouseEvent e) + {} + + public void mouseDragged (MouseEvent e) + { + } + + public void mouseMoved (MouseEvent e) + { + if ((e.getModifiers() & InputEvent.SHIFT_MASK) != 0) + maCanvas.HighlightObject (FindCanvasShapeUnderMouse (e)); + } + + + /** Search for the smallest shape that contains the mouse position. + */ + protected CanvasShape FindCanvasShapeUnderMouse (MouseEvent e) + { + Dimension aSmallestSize = null; + Iterator maShapeIterator = maCanvas.GetShapeIterator(); + CanvasShape aShapeUnderMouse = null; + while (maShapeIterator.hasNext()) + { + CanvasShape aShape = (CanvasShape)maShapeIterator.next(); + if (aShape != null) + if (aShape.Contains (e.getX(),e.getY())) + { + if (aShapeUnderMouse == null) + { + aSmallestSize = aShape.GetSize(); + aShapeUnderMouse = aShape; + } + else + { + Dimension aSize = aShape.GetSize(); + if (aSize.getWidth()<aSmallestSize.getWidth() + || aSize.getHeight()<aSmallestSize.getHeight()) + { + aSmallestSize = aSize; + aShapeUnderMouse = aShape; + } + } + } + } + return aShapeUnderMouse; + } + + private Canvas maCanvas; + private javax.swing.JTree maTree; +} diff --git a/accessibility/workben/org/openoffice/accessibility/awb/canvas/ShapeContainer.java b/accessibility/workben/org/openoffice/accessibility/awb/canvas/ShapeContainer.java new file mode 100644 index 000000000000..03ad4bf38c46 --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/canvas/ShapeContainer.java @@ -0,0 +1,237 @@ +/************************************************************************* + * + * 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.canvas; + +import java.awt.Rectangle; +import java.util.Iterator; +import javax.swing.event.TreeModelListener; +import javax.swing.event.TreeExpansionListener; +import javax.swing.event.TreeWillExpandListener; +import javax.swing.event.TreeExpansionEvent; +import javax.swing.event.TreeModelEvent; +import javax.swing.tree.TreeNode; + +import com.sun.star.accessibility.XAccessibleEventBroadcaster; + +/** Each canvas has a shape container that is responsible for maintaining + a collection of shapes that are displayed by the canvas. +*/ +public class ShapeContainer + implements TreeModelListener, + TreeExpansionListener, + TreeWillExpandListener +{ + public ShapeContainer (Canvas aCanvas) + { + maShapeList = new java.util.Hashtable(); + maBoundingBox = new Rectangle (0,0,100,100); + maCanvas = aCanvas; + maTree = null; + } + + + + + public synchronized void SetTree (javax.swing.JTree aTree) + { + if (aTree != maTree) + { + if (maTree != null) + { + maTree.getModel().removeTreeModelListener (this); + maTree.removeTreeExpansionListener (this); + maTree.removeTreeWillExpandListener (this); + } + + Clear(); + + maTree = aTree; + + maTree.getModel().addTreeModelListener (this); + maTree.addTreeExpansionListener (this); + maTree.addTreeWillExpandListener (this); + } + } + + + + + public synchronized boolean AddNode (TreeNode aNode) + { + CanvasShape aShape = (CanvasShape)maShapeList.get (aNode); + if (aShape == null) + { + aShape = new CanvasShape (aNode, maCanvas); + + if (aNode instanceof XAccessibleEventBroadcaster) + ((XAccessibleEventBroadcaster) aNode).addEventListener(aShape); + + // Update bounding box that includes all objects. + if (maShapeList.size() == 0) + maBoundingBox = aShape.GetBBox(); + else + maBoundingBox = maBoundingBox.union (aShape.GetBBox()); + + maShapeList.put (aNode, aShape); + + maCanvas.repaint(); + + return true; + } + else + return false; + } + + + /** + */ + public synchronized boolean RemoveNode (TreeNode aNode) + { + CanvasShape aShape = (CanvasShape)maShapeList.get (aNode); + if (aShape != null) + { + if (aNode instanceof XAccessibleEventBroadcaster) + ((XAccessibleEventBroadcaster) aNode).removeEventListener(aShape); + + maShapeList.remove (aNode); + maCanvas.SelectObject (null); + maCanvas.repaint (); + return true; + } + else + return false; + } + + + + + public synchronized void Clear () + { + maShapeList.clear (); + } + + + + + public Iterator GetIterator () + { + return maShapeList.values().iterator (); + } + + + + + public CanvasShape Get (TreeNode aNode) + { + if (aNode != null) { + return (CanvasShape)maShapeList.get (aNode); + } + return null; + } + + + private void PrintMessage (String aMessage, java.util.EventObject aEvent) + { + // System.out.println ("ShapeContainer: " + aMessage + ": " + aEvent); + } + + public void treeNodesChanged (TreeModelEvent aEvent) + { + PrintMessage ("treeNodesChanged", aEvent); + } + public void treeNodesInserted (TreeModelEvent aEvent) + { + PrintMessage ("treeNodesInserted", aEvent); + Object[] aNewNodes = aEvent.getChildren(); + for (int i=0; i<aNewNodes.length; i++) + AddNode ((TreeNode)aNewNodes[i]); + } + public void treeNodesRemoved (TreeModelEvent aEvent) + { + PrintMessage ("treeNodesRemoved", aEvent); + Object[] aOldNodes = aEvent.getChildren(); + for (int i=0; i<aOldNodes.length; i++) + RemoveNode ((TreeNode)aOldNodes[i]); + } + public void treeStructureChanged (TreeModelEvent aEvent) + { + PrintMessage ("treeStructureChanged", aEvent); + TreeNode aNode = (TreeNode)aEvent.getTreePath().getLastPathComponent(); + RemoveAllChildren(aNode); + AddAllChildren(aNode); + } + + public void treeWillExpand (TreeExpansionEvent aEvent) + { + PrintMessage ("treeWillExpand", aEvent); + } + public void treeWillCollapse (TreeExpansionEvent aEvent) + { + PrintMessage ("treeWillCollapse", aEvent); + TreeNode aNode = (TreeNode)aEvent.getPath().getLastPathComponent(); + RemoveAllChildren (aNode); + } + public void treeExpanded (TreeExpansionEvent aEvent) + { + PrintMessage ("treeExpanded", aEvent); + TreeNode aNode = (TreeNode)aEvent.getPath().getLastPathComponent(); + AddAllChildren (aNode); + } + public void treeCollapsed (TreeExpansionEvent aEvent) + { + PrintMessage ("treeCollapsed", aEvent); + } + + private void AddAllChildren (TreeNode aNode) { + java.util.Enumeration aChildList = aNode.children(); + while (aChildList.hasMoreElements()) { + TreeNode aChild = (TreeNode) aChildList.nextElement(); + if (aChild != null) { + AddAllChildren (aChild); + AddNode (aChild); + } + } + } + + private void RemoveAllChildren (TreeNode aNode) { + java.util.Enumeration aChildList = aNode.children(); + while (aChildList.hasMoreElements()) { + TreeNode aChild = (TreeNode) aChildList.nextElement(); + if (aChild != null) { + RemoveAllChildren (aChild); + RemoveNode (aChild); + } + } + } + + + private java.util.Hashtable maShapeList; + private Rectangle maBoundingBox; + private Canvas maCanvas; + private javax.swing.JTree maTree; +} diff --git a/accessibility/workben/org/openoffice/accessibility/awb/canvas/makefile.common b/accessibility/workben/org/openoffice/accessibility/awb/canvas/makefile.common new file mode 100644 index 000000000000..df47f1bc8028 --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/canvas/makefile.common @@ -0,0 +1,34 @@ +#************************************************************************* +# +# 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. +# +#************************************************************************* + +JARFILES = jurt.jar unoil.jar ridl.jar +JAVAFILES = \ + CanvasShape.java \ + Canvas.java \ + MouseObserver.java \ + ShapeContainer.java + diff --git a/accessibility/workben/org/openoffice/accessibility/awb/canvas/makefile.mk b/accessibility/workben/org/openoffice/accessibility/awb/canvas/makefile.mk new file mode 100644 index 000000000000..d2feccfb80cf --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/canvas/makefile.mk @@ -0,0 +1,47 @@ +#************************************************************************* +# +# 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. +# +#************************************************************************* + +PRJNAME = awb +PRJ = ..$/..$/..$/..$/..$/.. +TARGET = awb_canvas +PACKAGE = org$/openoffice$/accessibility$/awb$/canvas + +USE_JAVAVER:=TRUE + +# --- Settings ----------------------------------------------------- + +.INCLUDE : settings.mk + +.IF "$(JAVAVER:s/.//)" >= "140" +.INCLUDE : makefile.common +JAVACLASSFILES= $(foreach,i,$(JAVAFILES) $(CLASSDIR)$/$(PACKAGE)$/$(i:b).class) +JARCLASSDIRS = $(PACKAGE) org/openoffice/java/accessibility/awb +.ENDIF + +# --- Targets ------------------------------------------------------ + +.INCLUDE : target.mk |