1*1b0aaa91SAndrew Rist /************************************************************** 2*1b0aaa91SAndrew Rist * 3*1b0aaa91SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*1b0aaa91SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*1b0aaa91SAndrew Rist * distributed with this work for additional information 6*1b0aaa91SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*1b0aaa91SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*1b0aaa91SAndrew Rist * "License"); you may not use this file except in compliance 9*1b0aaa91SAndrew Rist * with the License. You may obtain a copy of the License at 10*1b0aaa91SAndrew Rist * 11*1b0aaa91SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*1b0aaa91SAndrew Rist * 13*1b0aaa91SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*1b0aaa91SAndrew Rist * software distributed under the License is distributed on an 15*1b0aaa91SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*1b0aaa91SAndrew Rist * KIND, either express or implied. See the License for the 17*1b0aaa91SAndrew Rist * specific language governing permissions and limitations 18*1b0aaa91SAndrew Rist * under the License. 19*1b0aaa91SAndrew Rist * 20*1b0aaa91SAndrew Rist *************************************************************/ 21*1b0aaa91SAndrew Rist 22cdf0e10cSrcweir package ov; 23cdf0e10cSrcweir 24cdf0e10cSrcweir import java.awt.Color; 25cdf0e10cSrcweir import java.awt.Component; 26cdf0e10cSrcweir import java.awt.GridBagLayout; 27cdf0e10cSrcweir import java.awt.GridBagConstraints; 28cdf0e10cSrcweir import java.awt.Insets; 29cdf0e10cSrcweir 30cdf0e10cSrcweir import java.util.Vector; 31cdf0e10cSrcweir 32cdf0e10cSrcweir import java.lang.reflect.Method; 33cdf0e10cSrcweir import java.lang.NoSuchMethodException; 34cdf0e10cSrcweir import java.lang.IllegalAccessException; 35cdf0e10cSrcweir import java.lang.reflect.InvocationTargetException; 36cdf0e10cSrcweir 37cdf0e10cSrcweir import javax.swing.JPanel; 38cdf0e10cSrcweir import javax.swing.JTree; 39cdf0e10cSrcweir import javax.swing.BorderFactory; 40cdf0e10cSrcweir import javax.swing.border.Border; 41cdf0e10cSrcweir import javax.swing.border.BevelBorder; 42cdf0e10cSrcweir 43cdf0e10cSrcweir import com.sun.star.accessibility.XAccessibleContext; 44cdf0e10cSrcweir import com.sun.star.accessibility.XAccessibleComponent; 45cdf0e10cSrcweir import com.sun.star.accessibility.XAccessibleSelection; 46cdf0e10cSrcweir import com.sun.star.uno.UnoRuntime; 47cdf0e10cSrcweir 48cdf0e10cSrcweir 49cdf0e10cSrcweir public class ObjectViewContainer 50cdf0e10cSrcweir extends JPanel 51cdf0e10cSrcweir { ObjectViewContainer()52cdf0e10cSrcweir public ObjectViewContainer () 53cdf0e10cSrcweir { 54cdf0e10cSrcweir maViewTemplates = new Vector (); 55cdf0e10cSrcweir maViewBorder = BorderFactory.createBevelBorder (BevelBorder.RAISED); 56cdf0e10cSrcweir setLayout (new GridBagLayout ()); 57cdf0e10cSrcweir 58cdf0e10cSrcweir System.out.println ("ObjectViewContainer"); 59cdf0e10cSrcweir RegisterView (ContextView.class); 60cdf0e10cSrcweir // RegisterView (StateSetView.class); 61cdf0e10cSrcweir RegisterView (FocusView.class); 62cdf0e10cSrcweir RegisterView (TextView.class); 63cdf0e10cSrcweir } 64cdf0e10cSrcweir 65cdf0e10cSrcweir 66cdf0e10cSrcweir 67cdf0e10cSrcweir /** Remove all existing views and create new ones according to the 68cdf0e10cSrcweir interfaces supported by the given object. 69cdf0e10cSrcweir */ SetObject(XAccessibleContext xContext)70cdf0e10cSrcweir public void SetObject (XAccessibleContext xContext) 71cdf0e10cSrcweir { 72cdf0e10cSrcweir // Call Destroy at all views to give them a chance to release their 73cdf0e10cSrcweir // resources. 74cdf0e10cSrcweir int n = getComponentCount(); 75cdf0e10cSrcweir for (int i=0; i<n; i++) 76cdf0e10cSrcweir ((ObjectView)getComponent(i)).Destroy(); 77cdf0e10cSrcweir // Remove existing views. 78cdf0e10cSrcweir removeAll (); 79cdf0e10cSrcweir 80cdf0e10cSrcweir // Add new views. 81cdf0e10cSrcweir for (int i=0; i<maViewTemplates.size(); i++) 82cdf0e10cSrcweir { 83cdf0e10cSrcweir try 84cdf0e10cSrcweir { 85cdf0e10cSrcweir Class aViewClass = (Class)maViewTemplates.elementAt (i); 86cdf0e10cSrcweir Method aCreateMethod = aViewClass.getDeclaredMethod ( 87cdf0e10cSrcweir "Create", new Class[] { 88cdf0e10cSrcweir ObjectViewContainer.class, 89cdf0e10cSrcweir XAccessibleContext.class}); 90cdf0e10cSrcweir if (aCreateMethod != null) 91cdf0e10cSrcweir { 92cdf0e10cSrcweir ObjectView aView = (ObjectView) 93cdf0e10cSrcweir aCreateMethod.invoke (null, new Object[] {this, xContext}); 94cdf0e10cSrcweir Add (aView); 95cdf0e10cSrcweir } 96cdf0e10cSrcweir } 97cdf0e10cSrcweir catch (NoSuchMethodException e) 98cdf0e10cSrcweir {System.err.println ("Caught exception while creating view " + i + " : " + e);} 99cdf0e10cSrcweir catch (IllegalAccessException e) 100cdf0e10cSrcweir {System.err.println ("Caught exception while creating view " + i + " : " + e);} 101cdf0e10cSrcweir catch (InvocationTargetException e) 102cdf0e10cSrcweir {System.err.println ("Caught exception while creating view " + i + " : " + e);} 103cdf0e10cSrcweir } 104cdf0e10cSrcweir 105cdf0e10cSrcweir UpdateLayoutManager (); 106cdf0e10cSrcweir 107cdf0e10cSrcweir // Now set the object at all views. 108cdf0e10cSrcweir n = getComponentCount(); 109cdf0e10cSrcweir for (int i=0; i<n; i++) 110cdf0e10cSrcweir ((ObjectView)getComponent(i)).SetObject (xContext); 111cdf0e10cSrcweir 112cdf0e10cSrcweir setPreferredSize (getLayout().preferredLayoutSize (this)); 113cdf0e10cSrcweir } 114cdf0e10cSrcweir 115cdf0e10cSrcweir 116cdf0e10cSrcweir /** Add the given class to the list of classes which will be 117cdf0e10cSrcweir instantiated the next time an accessible object is set. 118cdf0e10cSrcweir */ RegisterView(Class aObjectViewClass)119cdf0e10cSrcweir public void RegisterView (Class aObjectViewClass) 120cdf0e10cSrcweir { 121cdf0e10cSrcweir System.out.println ("registering " + aObjectViewClass); 122cdf0e10cSrcweir maViewTemplates.addElement (aObjectViewClass); 123cdf0e10cSrcweir } 124cdf0e10cSrcweir 125cdf0e10cSrcweir /** Replace one view class with another. 126cdf0e10cSrcweir */ ReplaceView(Class aObjectViewClass, Class aSubstitution)127cdf0e10cSrcweir public void ReplaceView (Class aObjectViewClass, Class aSubstitution) 128cdf0e10cSrcweir { 129cdf0e10cSrcweir int nIndex = maViewTemplates.indexOf (aObjectViewClass); 130cdf0e10cSrcweir if (nIndex >= 0) 131cdf0e10cSrcweir maViewTemplates.setElementAt (aSubstitution, nIndex); 132cdf0e10cSrcweir } 133cdf0e10cSrcweir 134cdf0e10cSrcweir /** Add an object view and place it below all previously added views. 135cdf0e10cSrcweir @param aView 136cdf0e10cSrcweir This argument may be null. In this case nothing happens. 137cdf0e10cSrcweir */ Add(ObjectView aView)138cdf0e10cSrcweir private void Add (ObjectView aView) 139cdf0e10cSrcweir { 140cdf0e10cSrcweir if (aView != null) 141cdf0e10cSrcweir { 142cdf0e10cSrcweir GridBagConstraints constraints = new GridBagConstraints (); 143cdf0e10cSrcweir constraints.gridx = 0; 144cdf0e10cSrcweir constraints.gridy = getComponentCount(); 145cdf0e10cSrcweir constraints.gridwidth = 1; 146cdf0e10cSrcweir constraints.gridheight = 1; 147cdf0e10cSrcweir constraints.weightx = 1; 148cdf0e10cSrcweir constraints.weighty = 0; 149cdf0e10cSrcweir constraints.ipadx = 2; 150cdf0e10cSrcweir constraints.ipady = 5; 151cdf0e10cSrcweir constraints.insets = new Insets (5,5,5,5); 152cdf0e10cSrcweir constraints.anchor = GridBagConstraints.NORTH; 153cdf0e10cSrcweir constraints.fill = GridBagConstraints.HORIZONTAL; 154cdf0e10cSrcweir 155cdf0e10cSrcweir aView.setBorder ( 156cdf0e10cSrcweir BorderFactory.createTitledBorder ( 157cdf0e10cSrcweir maViewBorder, aView.GetTitle())); 158cdf0e10cSrcweir 159cdf0e10cSrcweir add (aView, constraints); 160cdf0e10cSrcweir } 161cdf0e10cSrcweir } 162cdf0e10cSrcweir 163cdf0e10cSrcweir /** Update the layout manager by setting the vertical weight of the 164cdf0e10cSrcweir bottom entry to 1 and so make it strech to over the available 165cdf0e10cSrcweir space. 166cdf0e10cSrcweir 167cdf0e10cSrcweir */ UpdateLayoutManager()168cdf0e10cSrcweir private void UpdateLayoutManager () 169cdf0e10cSrcweir { 170cdf0e10cSrcweir // Adapt the layout manager. 171cdf0e10cSrcweir if (getComponentCount() > 0) 172cdf0e10cSrcweir { 173cdf0e10cSrcweir Component aComponent = getComponent (getComponentCount()-1); 174cdf0e10cSrcweir GridBagLayout aLayout = (GridBagLayout)getLayout(); 175cdf0e10cSrcweir GridBagConstraints aConstraints = aLayout.getConstraints (aComponent); 176cdf0e10cSrcweir aConstraints.weighty = 1; 177cdf0e10cSrcweir aLayout.setConstraints (aComponent, aConstraints); 178cdf0e10cSrcweir } 179cdf0e10cSrcweir } 180cdf0e10cSrcweir 181cdf0e10cSrcweir /// Observe this tree for selection changes and notify them to all 182cdf0e10cSrcweir /// children. 183cdf0e10cSrcweir private JTree maTree; 184cdf0e10cSrcweir private Border maViewBorder; 185cdf0e10cSrcweir /// List of view templates which are instantiated when new object is set. 186cdf0e10cSrcweir private Vector maViewTemplates; 187cdf0e10cSrcweir } 188