/* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . */ package ov; import java.awt.Component; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; import java.util.ArrayList; import javax.swing.BorderFactory; import javax.swing.JPanel; import javax.swing.border.BevelBorder; import javax.swing.border.Border; import com.sun.star.accessibility.XAccessibleContext; public class ObjectViewContainer extends JPanel { private static interface IViewFactory { ObjectView Create ( ObjectViewContainer aContainer, XAccessibleContext xContext); } public ObjectViewContainer () { maViewTemplates = new ArrayList<IViewFactory>(); maViewBorder = BorderFactory.createBevelBorder (BevelBorder.RAISED); setLayout (new GridBagLayout ()); maViewTemplates.add(new IViewFactory() { public ObjectView Create(ObjectViewContainer aContainer, XAccessibleContext xContext) { return ContextView.Create(aContainer, xContext); } }); maViewTemplates.add(new IViewFactory() { public ObjectView Create(ObjectViewContainer aContainer, XAccessibleContext xContext) { return FocusView.Create(aContainer, xContext); } }); maViewTemplates.add(new IViewFactory() { public ObjectView Create(ObjectViewContainer aContainer, XAccessibleContext xContext) { return TextView.Create(aContainer, xContext); } }); } /** Remove all existing views and create new ones according to the interfaces supported by the given object. */ public void SetObject (XAccessibleContext xContext) { // Call Destroy at all views to give them a chance to release their // resources. int n = getComponentCount(); for (int i=0; i<n; i++) ((ObjectView)getComponent(i)).Destroy(); // Remove existing views. removeAll (); // Add new views. for (int i=0; i<maViewTemplates.size(); i++) { IViewFactory aViewFactory = maViewTemplates.get(i); ObjectView aView = aViewFactory.Create(this, xContext); Add (aView); } UpdateLayoutManager (); // Now set the object at all views. n = getComponentCount(); for (int i=0; i<n; i++) ((ObjectView)getComponent(i)).SetObject (xContext); setPreferredSize (getLayout().preferredLayoutSize (this)); } /** Add an object view and place it below all previously added views. @param aView This argument may be null. In this case nothing happens. */ private void Add (ObjectView aView) { if (aView != null) { GridBagConstraints constraints = new GridBagConstraints (); constraints.gridx = 0; constraints.gridy = getComponentCount(); constraints.gridwidth = 1; constraints.gridheight = 1; constraints.weightx = 1; constraints.weighty = 0; constraints.ipadx = 2; constraints.ipady = 5; constraints.insets = new Insets (5,5,5,5); constraints.anchor = GridBagConstraints.NORTH; constraints.fill = GridBagConstraints.HORIZONTAL; aView.setBorder ( BorderFactory.createTitledBorder ( maViewBorder, aView.GetTitle())); add (aView, constraints); } } /** Update the layout manager by setting the vertical weight of the bottom entry to 1 and so make it stretch to over the available space. */ private void UpdateLayoutManager () { // Adapt the layout manager. if (getComponentCount() > 0) { Component aComponent = getComponent (getComponentCount()-1); GridBagLayout aLayout = (GridBagLayout)getLayout(); GridBagConstraints aConstraints = aLayout.getConstraints (aComponent); aConstraints.weighty = 1; aLayout.setConstraints (aComponent, aConstraints); } } private final Border maViewBorder; /// List of view templates which are instantiated when new object is set. private final ArrayList<IViewFactory> maViewTemplates; }