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1: /* JSeparator.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: import javax.accessibility.Accessible; 41: import javax.accessibility.AccessibleContext; 42: import javax.accessibility.AccessibleRole; 43: import javax.swing.plaf.SeparatorUI; 44: 45: 46: /** 47: * The JSeparator. It is mostly used to divide/space out 48: * components. 49: */ 50: public class JSeparator extends JComponent implements SwingConstants, 51: Accessible 52: { 53: /** 54: * AccessibleJSeparator 55: */ 56: protected class AccessibleJSeparator extends AccessibleJComponent 57: { 58: private static final long serialVersionUID = 916332890553201095L; 59: 60: /** 61: * Constructor AccessibleJSeparator 62: */ 63: protected AccessibleJSeparator() 64: { 65: } 66: 67: /** 68: * getAccessibleRole 69: * 70: * @return AccessibleRole 71: */ 72: public AccessibleRole getAccessibleRole() 73: { 74: return AccessibleRole.SEPARATOR; 75: } 76: } 77: 78: private static final long serialVersionUID = 125301223445282357L; 79: 80: /** The orientation of the JSeparator. */ 81: private transient int orientation = HORIZONTAL; 82: 83: /** 84: * Creates a new horizontal JSeparator object. 85: */ 86: public JSeparator() 87: { 88: this(HORIZONTAL); 89: } 90: 91: /** 92: * Creates a new JSeparator object with the given orientation. 93: * 94: * @param orientation The orientation of the JSeparator. 95: */ 96: public JSeparator(int orientation) 97: { 98: if (orientation != HORIZONTAL && orientation != VERTICAL) 99: throw new IllegalArgumentException(orientation 100: + " is not a valid orientation."); 101: this.orientation = orientation; 102: updateUI(); 103: } 104: 105: /** 106: * This method returns the UI delegate being 107: * used with the JSeparator. 108: * 109: * @return SeparatorUI The JSeparator's UI delegate. 110: */ 111: public SeparatorUI getUI() 112: { 113: return (SeparatorUI) ui; 114: } 115: 116: /** 117: * This method sets the UI delegate to use 118: * with the JSeparator. 119: * 120: * @param ui The UI delegate to use. 121: */ 122: public void setUI(SeparatorUI ui) 123: { 124: super.setUI(ui); 125: } 126: 127: /** 128: * This method resets the UI delegate to the 129: * default for the current look and feel. 130: */ 131: public void updateUI() 132: { 133: setUI((SeparatorUI) UIManager.getUI(this)); 134: invalidate(); 135: } 136: 137: /** 138: * This method returns the identifier string 139: * that is used to determine the UI delegate 140: * from the current look and feel. 141: * 142: * @return String The identifier string for the UI. 143: */ 144: public String getUIClassID() 145: { 146: return "SeparatorUI"; 147: } 148: 149: /** 150: * This method returns the JSeparator's orientation. 151: * 152: * @return int The JSeparator's orientation. 153: */ 154: public int getOrientation() 155: { 156: return orientation; 157: } 158: 159: /** 160: * This method changes the JSeparator's orientation. 161: * 162: * @param orientation The JSeparator's orientation. 163: */ 164: public void setOrientation(int orientation) 165: { 166: if (orientation != HORIZONTAL && orientation != VERTICAL) 167: throw new IllegalArgumentException(orientation 168: + " is not a valid orientation."); 169: this.orientation = orientation; 170: } 171: 172: /** 173: * This method returns a string desribing the JSeparator. 174: * Normally only used in debugging. 175: * 176: * @return String A string describing the JSeparator. 177: */ 178: protected String paramString() 179: { 180: return "JSeparator"; 181: } 182: 183: /** 184: * getAccessibleContext 185: * 186: * @return AccessibleContext 187: */ 188: public AccessibleContext getAccessibleContext() 189: { 190: if (accessibleContext == null) 191: accessibleContext = new AccessibleJSeparator(); 192: 193: return accessibleContext; 194: } 195: }
GNU Classpath (0.18) |