1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * ident "%Z%%M% %I% %E% SMI" 24 * 25 * Copyright (c) 2000 by Sun Microsystems, Inc. 26 * All rights reserved. 27 */ 28 29 /* 30 * Copyright (C) 1996 Active Software, Inc. 31 * All rights reserved. 32 * 33 * @(#) GBPanel.java 1.35 - last change made 06/17/97 34 */ 35 36 package sunsoft.jws.visual.rt.awt; 37 38 import sunsoft.jws.visual.rt.base.Global; 39 40 import sunsoft.jws.visual.rt.base.*; 41 import java.awt.*; 42 43 public class GBPanel extends VJPanel { 44 45 private static Class gbclass; 46 47 private boolean runtime = true; 48 private GBContainer cntr; 49 private GBLayout mgr; 50 GBPanel()51 public GBPanel() { 52 setLayout(new GBLayout()); 53 } 54 handleEvent(Event evt)55 public boolean handleEvent(Event evt) { 56 if (cntr != null) 57 return cntr.handleEvent(evt); 58 else 59 return super.handleEvent(evt); 60 } 61 setRuntime(boolean rt)62 public void setRuntime(boolean rt) { 63 if (runtime == rt) 64 return; 65 66 runtime = rt; 67 68 if (runtime) { 69 cntr.setGBPanel(null); 70 cntr = null; 71 } else { 72 if (gbclass == null) 73 gbclass = DesignerAccess.getGBPanelClass(); 74 75 try { 76 cntr = (GBContainer)gbclass.newInstance(); 77 } 78 catch (IllegalAccessException ex) { 79 throw new Error(ex.toString()); 80 } 81 catch (InstantiationException ex) { 82 throw new Error(ex.toString()); 83 } 84 85 cntr.setGBPanel(this); 86 } 87 } 88 getGBContainer()89 public GBContainer getGBContainer() { 90 return cntr; 91 } 92 93 // 94 // Special hack for flow layout so that it 95 // can re-adjust its vertical 96 // size based on the horizontal space available. 97 // This method is needed 98 // to make the flow layout take up more space 99 // vertically when it runs 100 // short on horizontal space. 101 // layout()102 public void layout() { 103 boolean hasFlow = false; 104 int count = countComponents(); 105 GBLayout gridbag = (GBLayout)getLayout(); 106 Component comp; 107 LayoutManager mgr; 108 109 for (int i = 0; i < count; i++) { 110 comp = getComponent(i); 111 if (comp instanceof Container) { 112 mgr = ((Container)comp).getLayout(); 113 if (mgr instanceof VJFlowLayout) { 114 hasFlow = true; 115 ((VJFlowLayout)mgr).setMinimumWidth(0); 116 } 117 } 118 } 119 120 if (hasFlow) { 121 gridbag.layoutContainerNoReshape(this); 122 123 for (int i = 0; i < count; i++) { 124 comp = getComponent(i); 125 if (comp instanceof Container) { 126 mgr = ((Container)comp).getLayout(); 127 if (mgr instanceof VJFlowLayout) { 128 GBConstraints c = gridbag.getConstraints(comp); 129 if (c.size != null) 130 ((VJFlowLayout)mgr).setMinimumWidth( 131 c.size.width); 132 } 133 } 134 } 135 } 136 137 super.layout(); 138 139 if (hasFlow) { 140 for (int i = 0; i < count; i++) { 141 comp = getComponent(i); 142 if (comp instanceof Container) { 143 mgr = ((Container)comp).getLayout(); 144 if (mgr instanceof VJFlowLayout) { 145 ((VJFlowLayout)mgr).setMinimumWidth(0); 146 } 147 } 148 } 149 } 150 151 if (cntr != null) 152 cntr.layout(); 153 } 154 155 // 156 // Forwarding of container methods 157 // 158 setLayout(LayoutManager mgr)159 public void setLayout(LayoutManager mgr) { 160 if (cntr != null) 161 cntr.setLayout(mgr); 162 else 163 super.setLayout(mgr); 164 updateLayout(); 165 } 166 setLayoutSuper(LayoutManager mgr)167 public void setLayoutSuper(LayoutManager mgr) { 168 super.setLayout(mgr); 169 updateLayout(); 170 } 171 updateLayout()172 private void updateLayout() { 173 LayoutManager m = getLayout(); 174 if (m instanceof GBLayout) 175 mgr = (GBLayout)m; 176 else 177 mgr = null; 178 } 179 180 // #ifdef JDK1.1 addImpl(Component comp, Object constraints, int index)181 protected void addImpl(Component comp, Object constraints, 182 int index) { 183 super.addImpl(comp, constraints, index); 184 doAdd(comp); 185 } 186 // #else 187 // public Component add(Component comp, int pos) { 188 // super.add(comp, pos); 189 // doAdd(comp); 190 // return comp; 191 // } 192 // #endif 193 194 doAdd(Component comp)195 private void doAdd(Component comp) { 196 if (cntr != null) 197 cntr.add(comp); 198 } 199 remove(Component comp)200 public void remove(Component comp) { 201 super.remove(comp); 202 if (cntr != null) 203 cntr.remove(comp); 204 } 205 removeAll()206 public void removeAll() { 207 super.removeAll(); 208 if (cntr != null) 209 cntr.removeAll(); 210 } 211 update(Graphics g)212 public void update(Graphics g) { 213 if (Global.isWindows()) 214 g = getGraphics(); 215 216 if (cntr != null) 217 cntr.update(g); 218 219 super.update(g); 220 } 221 paint(Graphics g)222 public void paint(Graphics g) { 223 if (Global.isWindows()) 224 g = getGraphics(); 225 226 if (cntr != null) 227 cntr.paint(g); 228 229 super.paint(g); 230 } 231 reshape(int x, int y, int w, int h)232 public void reshape(int x, int y, int w, int h) { 233 super.reshape(x, y, w, h); 234 if (cntr != null) 235 cntr.reshape(x, y, w, h); 236 } 237 238 // 239 // Layout and Preview modes 240 // 241 layoutMode()242 public void layoutMode() { 243 if (cntr != null) 244 cntr.layoutMode(); 245 } 246 previewMode()247 public void previewMode() { 248 if (cntr != null) 249 cntr.previewMode(); 250 } 251 252 // 253 // Constraints 254 // 255 setConstraints(Component comp, GBConstraints c)256 public void setConstraints(Component comp, GBConstraints c) { 257 if (c == null) 258 /* JSTYLED */ 259 throw new Error(Global.getMsg("sunsoft.jws.visual.rt.awt.GBPanel.null__constraints")); 260 261 if (cntr != null) 262 cntr.setConstraints(comp, c); 263 else if (mgr != null) 264 mgr.setConstraints(comp, c); 265 } 266 getConstraints(Component comp)267 public GBConstraints getConstraints(Component comp) { 268 if (cntr != null) 269 return cntr.getConstraints(comp); 270 else if (mgr != null) 271 return mgr.getConstraints(comp); 272 else 273 return null; 274 } 275 276 // 277 // GBLayout attributes 278 // 279 setColumnWeights(double w[])280 public void setColumnWeights(double w[]) { 281 if (cntr != null) 282 cntr.setColumnWeights(w); 283 else if (mgr != null) 284 mgr.columnWeights = w; 285 } 286 setRowWeights(double w[])287 public void setRowWeights(double w[]) { 288 if (cntr != null) 289 cntr.setRowWeights(w); 290 else if (mgr != null) 291 mgr.rowWeights = w; 292 } 293 getColumnWeights()294 public double [] getColumnWeights() { 295 if (cntr != null) 296 return cntr.getColumnWeights(); 297 else if (mgr != null) 298 return mgr.columnWeights; 299 else 300 return null; 301 } 302 getRowWeights()303 public double [] getRowWeights() { 304 if (cntr != null) 305 return cntr.getRowWeights(); 306 else if (mgr != null) 307 return mgr.rowWeights; 308 else 309 return null; 310 } 311 setColumnWidths(int w[])312 public void setColumnWidths(int w[]) { 313 if (cntr != null) 314 cntr.setColumnWidths(w); 315 else if (mgr != null) 316 mgr.columnWidths = w; 317 } 318 setRowHeights(int h[])319 public void setRowHeights(int h[]) { 320 if (cntr != null) 321 cntr.setRowHeights(h); 322 else if (mgr != null) 323 mgr.rowHeights = h; 324 } 325 getColumnWidths()326 public int[] getColumnWidths() { 327 if (cntr != null) 328 return cntr.getColumnWidths(); 329 else if (mgr != null) 330 return mgr.columnWidths; 331 else 332 return null; 333 } 334 getRowHeights()335 public int[] getRowHeights() { 336 if (cntr != null) 337 return cntr.getRowHeights(); 338 else if (mgr != null) 339 return mgr.rowHeights; 340 else 341 return null; 342 } 343 } 344