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1: /* ComponentInputMap.java -- 2: Copyright (C) 2002, 2004 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package javax.swing; 39: 40: 41: /** 42: * An {@link InputMap} that is associated with a particular {@link JComponent}. 43: * The component is notified when its <code>ComponentInputMap</code> changes. 44: * 45: * @author Andrew Selkirk 46: * @author Michael Koch 47: */ 48: public class ComponentInputMap extends InputMap 49: { 50: /** 51: * The component to notify. 52: */ 53: private JComponent component; 54: 55: /** 56: * Creates <code>ComponentInputMap</code> object that notifies the given 57: * component about changes to it. 58: * 59: * @param comp the component to notify 60: * 61: * @exception IllegalArgumentException if comp is null 62: */ 63: public ComponentInputMap(JComponent comp) 64: { 65: if (comp == null) 66: throw new IllegalArgumentException(); 67: 68: this.component = comp; 69: } 70: 71: /** 72: * Puts a new entry into the <code>InputMap</code>. 73: * If actionMapKey is null an existing entry will be removed. 74: * 75: * @param keystroke the keystroke for the entry 76: * @param value the action. 77: */ 78: public void put(KeyStroke keystroke, Object value) 79: { 80: super.put(keystroke, value); 81: // FIXME: Notify component. 82: } 83: 84: /** 85: * Clears the <code>InputMap</code>. 86: */ 87: public void clear() 88: { 89: super.clear(); 90: // FIXME: Notify component. 91: } 92: 93: /** 94: * Remove an entry from the <code>InputMap</code>. 95: * 96: * @param keystroke the key of the entry to remove 97: */ 98: public void remove(KeyStroke keystroke) 99: { 100: super.remove(keystroke); 101: // FIXME: Notify component. 102: } 103: 104: /** 105: * Sets a parent for this <code>ComponentInputMap</code>. 106: * 107: * @param parentMap the new parent 108: * 109: * @exception IllegalArgumentException if parentMap is not a 110: * <code>ComponentInputMap</code> or not associated with the same component 111: */ 112: public void setParent(InputMap parentMap) 113: { 114: if (! (parentMap instanceof ComponentInputMap)) 115: throw new IllegalArgumentException(); 116: 117: if (((ComponentInputMap) parentMap).getComponent() != component) 118: throw new IllegalArgumentException(); 119: 120: super.setParent(parentMap); 121: // FIXME: Notify component. 122: } 123: 124: /** 125: * Returns the component to notify about changes. 126: * 127: * @return a <code>JComponent</code> object 128: */ 129: public JComponent getComponent() 130: { 131: return component; 132: } 133: }
GNU Classpath (0.19) |