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1: /* TreeSelectionEvent.java -- 2: Copyright (C) 2002, 2004, 2005 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: 39: package javax.swing.event; 40: 41: import java.util.EventObject; 42: 43: import javax.swing.tree.TreePath; 44: 45: /** 46: * TreeSelectionEvent 47: * @author Andrew Selkirk 48: * @version 1.0 49: */ 50: public class TreeSelectionEvent extends EventObject { 51: 52: //------------------------------------------------------------- 53: // Variables -------------------------------------------------- 54: //------------------------------------------------------------- 55: 56: /** 57: * paths 58: */ 59: protected TreePath[] paths; 60: 61: /** 62: * areNew 63: */ 64: protected boolean[] areNew; 65: 66: /** 67: * oldLeadSelectionPath 68: */ 69: protected TreePath oldLeadSelectionPath; 70: 71: /** 72: * newLeadSelectionPath 73: */ 74: protected TreePath newLeadSelectionPath; 75: 76: 77: //------------------------------------------------------------- 78: // Initialization --------------------------------------------- 79: //------------------------------------------------------------- 80: 81: /** 82: * Constructor TreeSelectionEvent 83: * @param source TODO 84: * @param paths TODO 85: * @param areNew TODO 86: * @param oldLeadSelectionPath TODO 87: * @param newLeadSelectionPath TODO 88: */ 89: public TreeSelectionEvent(Object source, TreePath[] paths, 90: boolean[] areNew, TreePath oldLeadSelectionPath, 91: TreePath newLeadSelectionPath) 92: { 93: super(source); 94: this.paths = paths; 95: this.areNew = areNew; 96: this.oldLeadSelectionPath = oldLeadSelectionPath; 97: this.newLeadSelectionPath = newLeadSelectionPath; 98: } // TreeSelectionEvent() 99: 100: /** 101: * Constructor TreeSelectionEvent 102: * @param source TODO 103: * @param path TODO 104: * @param isNew TODO 105: * @param oldLeadSelectionPath TODO 106: * @param newLeadSelectionPath TODO 107: */ 108: public TreeSelectionEvent(Object source, TreePath path, 109: boolean isNew, TreePath oldLeadSelectionPath, 110: TreePath newLeadSelectionPath) 111: { 112: super(source); 113: this.paths = new TreePath[]{path}; 114: this.areNew = new boolean[]{isNew}; 115: this.oldLeadSelectionPath = oldLeadSelectionPath; 116: this.newLeadSelectionPath = newLeadSelectionPath; 117: } // TreeSelectionEvent() 118: 119: 120: //------------------------------------------------------------- 121: // Methods ---------------------------------------------------- 122: //------------------------------------------------------------- 123: 124: /** 125: * @returns the first path element 126: */ 127: public TreePath getPath() 128: { 129: return paths[0]; 130: } // getPath() 131: 132: /** 133: * 134: * @returns the paths with selection changed 135: */ 136: public TreePath[] getPaths() 137: { 138: return (TreePath[]) paths.clone(); 139: } // getPaths() 140: 141: /** 142: * @return true if the first path is added to the selection, false otherwise 143: */ 144: public boolean isAddedPath() 145: { 146: return areNew[0]; 147: } // isAddedPath() 148: 149: /** 150: * @param path the path to check 151: * @return true if the path is added to the selection, false otherwise 152: */ 153: public boolean isAddedPath(TreePath path) 154: { 155: for (int i = paths.length - 1; i >= 0; i--) 156: if (paths[i].equals(path)) 157: return areNew[i]; 158: 159: return false; 160: } // isAddedPath() 161: 162: /** 163: * @param index the index'th path 164: * @return true if the path is added to the selection, false otherwise 165: */ 166: public boolean isAddedPath(int index) 167: { 168: return areNew[index]; 169: } // isAddedPath() 170: 171: /** 172: * @return the previous lead selection path 173: */ 174: public TreePath getOldLeadSelectionPath() 175: { 176: return oldLeadSelectionPath; 177: } // getOldLeadSelectionPath() 178: 179: /** 180: * @returns the current lead selection path 181: */ 182: public TreePath getNewLeadSelectionPath() 183: { 184: return newLeadSelectionPath; 185: } // getNewLeadSelectionPath() 186: 187: /** 188: * @param source the new event source 189: * @return a cloned event with another event source 190: */ 191: public Object cloneWithSource(Object source) 192: { 193: return new TreeSelectionEvent (source, paths, areNew, 194: oldLeadSelectionPath, 195: newLeadSelectionPath); 196: } // cloneWithSource() 197: 198: 199: } // TreeSelectionEvent
GNU Classpath (0.20) |