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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.debug.core.logview;
  12
  13 import java.io.IOException;
  14 import java.io.PrintWriter;
  15 import java.io.StringWriter;
  16 import java.text.Collator;
  17 import java.text.ParseException;
  18 import java.text.SimpleDateFormat;
  19 import java.util.Arrays;
  20 import java.util.Comparator;
  21 import java.util.Date;
  22
  23 import net.sourceforge.phpdt.internal.debug.core.PHPDegugCorePluginImages;
  24 import net.sourceforge.phpdt.internal.debug.core.PHPDebugCorePlugin;
  25
  26 import org.eclipse.core.runtime.IAdaptable;
  27 import org.eclipse.jface.dialogs.Dialog;
  28 import org.eclipse.jface.dialogs.IDialogConstants;
  29 import org.eclipse.jface.dialogs.IDialogSettings;
  30 import org.eclipse.jface.viewers.ISelection;
  31 import org.eclipse.jface.viewers.ISelectionProvider;
  32 import org.eclipse.jface.viewers.IStructuredSelection;
  33 import org.eclipse.jface.viewers.StructuredSelection;
  34 import org.eclipse.jface.viewers.TableTreeViewer;
  35 import org.eclipse.swt.SWT;
  36 import org.eclipse.swt.custom.SashForm;
  37 import org.eclipse.swt.dnd.Clipboard;
  38 import org.eclipse.swt.dnd.TextTransfer;
  39 import org.eclipse.swt.dnd.Transfer;
  40 import org.eclipse.swt.graphics.Image;
  41 import org.eclipse.swt.graphics.Point;
  42 import org.eclipse.swt.layout.GridData;
  43 import org.eclipse.swt.layout.GridLayout;
  44 import org.eclipse.swt.widgets.Button;
  45 import org.eclipse.swt.widgets.Composite;
  46 import org.eclipse.swt.widgets.Control;
  47 import org.eclipse.swt.widgets.Label;
  48 import org.eclipse.swt.widgets.Shell;
  49 import org.eclipse.swt.widgets.Text;
  50 import org.eclipse.ui.ISharedImages;
  51 import org.eclipse.ui.PlatformUI;
  52
  53 public class EventDetailsDialog extends Dialog {
  54         private LogEntry entry, parentEntry;
  55         private LogViewLabelProvider labelProvider;
  56         private static int COPY_ID = 22;
  57         private TableTreeViewer provider;
  58         private int elementNum, totalElementCount;
  59         private LogEntry[] entryChildren;
  60         private int childIndex = 0;
  61         private boolean isOpen;
  62
  63         private Label dateLabel;
  64         private Label severityImageLabel;
  65         private Label severityLabel;
  66         private Text msgText;
  67         private Text stackTraceText;
  68         private Text sessionDataText;
  69         private Clipboard clipboard;
  70         private Button copyButton;
  71         private Button backButton;
  72         private Button nextButton;
  73         private Image imgNextEnabled;
  74         private Image imgPrevEnabled;
  75         private Image imgCopyEnabled;
  76         private SashForm sashForm;
  77
  78         // sorting
  79         private static int ASCENDING = 1;
  80         private Comparator comparator = null;
  81         private Collator collator;
  82
  83         // location configuration
  84         private IDialogSettings dialogSettings;
  85         private Point dialogLocation;
  86         private Point dialogSize;
  87         private int[] sashWeights;
  88
  89         // externalize strings
  90         private String EVENT_NO_STACK = "EventDetailsDialog.noStack"; //$NON-NLS-1$
  91         private String EVENT_PREVIOUS = "EventDetailsDialog.previous"; //$NON-NLS-1$
  92         private String EVENT_NEXT = "EventDetailsDialog.next"; //$NON-NLS-1$
  93         private String EVENT_COPY = "EventDetailsDialog.copy"; //$NON-NLS-1$
  94
  95         /**
  96          * @param parentShell
  97          *            shell in which dialog is displayed
  98          */
  99         protected EventDetailsDialog(Shell parentShell, IAdaptable selection, ISelectionProvider provider) {
 100                 super(parentShell);
 101                 labelProvider = new LogViewLabelProvider();
 102                 this.provider = (TableTreeViewer) provider;
 103                 this.entry = (LogEntry)selection;
 104                 setShellStyle(SWT.MODELESS | SWT.MIN | SWT.MAX | SWT.RESIZE | SWT.CLOSE | SWT.BORDER | SWT.TITLE);
 105                 clipboard = new Clipboard(parentShell.getDisplay());
 106                 initialize();
 107                 createImages();
 108                 collator = Collator.getInstance();
 109                 readConfiguration();
 110         }
 111
 112         private void initialize() {
 113                 elementNum = getParentElementNum();
 114                 totalElementCount = provider.getTableTree().getTable().getItemCount() - getVisibleChildrenCount();
 115                 parentEntry = (LogEntry) entry.getParent(entry);
 116                 if (isChild(entry)){
 117                         setEntryChildren(parentEntry);
 118                         resetChildIndex();
 119                 }
 120         }
 121
 122         private void resetChildIndex(){
 123                 for (int i = 0; i<entryChildren.length; i++){
 124                         if (entryChildren[i].getMessage().equals(entry.getMessage())
 125                                         && entryChildren[i].getDate().equals(entry.getDate())
 126                                         && entryChildren[i].getPluginId().equals(entry.getPluginId())
 127                                         && entryChildren[i].getSeverity() == entry.getSeverity()
 128                                         && entryChildren[i].getSeverityText().equals(entry.getSeverityText())){
 129                                 childIndex = i;
 130                                 break;
 131                         }
 132                 }
 133         }
 134
 135         private void createImages(){
 136                 imgCopyEnabled =
 137                         PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_COPY).createImage(
 138                                 true);
 139                 //imgNextDisabled. = PHPDegugCorePluginImages.DESC_NEXT_EVENT_DISABLED.createImage(true);
 140                 //imgPrevDisabled = PHPDegugCorePluginImages.DESC_PREV_EVENT_DISABLED.createImage(true);
 141                 imgPrevEnabled = PHPDegugCorePluginImages.DESC_PREV_EVENT.createImage(true);
 142                 imgNextEnabled = PHPDegugCorePluginImages.DESC_NEXT_EVENT.createImage(true);
 143         }
 144
 145         private boolean isChild(LogEntry entry) {
 146                 return entry.getParent(entry) != null;
 147         }
 148
 149         public boolean isOpen(){
 150                 return isOpen;
 151         }
 152
 153         public int open(){
 154                 isOpen = true;
 155                 if (sashWeights == null){
 156                         int width = getSashForm().getClientArea().width;
 157                         if (width - 100 > 0)
 158                                 width -= 100;
 159                         else
 160                                 width = width/2;
 161                         sashWeights = new int[]{width, getSashForm().getClientArea().width-width};
 162                 }
 163                 getSashForm().setWeights(sashWeights);
 164                 return super.open();
 165         }
 166
 167         public boolean close() {
 168                 storeSettings();
 169                 isOpen = false;
 170                 imgCopyEnabled.dispose();
 171                 imgNextEnabled.dispose();
 172                 imgPrevEnabled.dispose();
 173                 return super.close();
 174         }
 175
 176         public void create() {
 177                 super.create();
 178
 179                 // dialog location
 180                 if (dialogLocation != null)
 181                         getShell().setLocation(dialogLocation);
 182
 183                 // dialog size
 184                 if (dialogSize != null)
 185                         getShell().setSize(dialogSize);
 186                 else
 187                         getShell().setSize(500,550);
 188
 189
 190                 applyDialogFont(buttonBar);
 191                 getButton(IDialogConstants.OK_ID).setFocus();
 192         }
 193
 194         protected void buttonPressed(int buttonId) {
 195                 if (IDialogConstants.OK_ID == buttonId)
 196                         okPressed();
 197                 else if (IDialogConstants.CANCEL_ID == buttonId)
 198                         cancelPressed();
 199                 else if (IDialogConstants.BACK_ID == buttonId)
 200                         backPressed();
 201                 else if (IDialogConstants.NEXT_ID == buttonId)
 202                         nextPressed();
 203                 else if (COPY_ID == buttonId)
 204                         copyPressed();
 205         }
 206
 207         protected void backPressed() {
 208                 if (isChild(entry)) {
 209                         if (childIndex > 0) {
 210                                 childIndex--;
 211                                 entry = entryChildren[childIndex];
 212                         } else
 213                                 entry = parentEntry;
 214                 } else {
 215                         if (elementNum - 1 >= 0)
 216                                 elementNum -= 1;
 217                         entry = (LogEntry) provider.getElementAt(elementNum);
 218                 }
 219                 setEntrySelectionInTable();
 220         }
 221
 222         protected void nextPressed() {
 223                 if (isChild(entry) && childIndex < entryChildren.length-1) {
 224                         childIndex++;
 225                         entry = entryChildren[childIndex];
 226                 } else if (elementNum + 1 < totalElementCount){
 227                                 elementNum += 1;
 228                         entry = (LogEntry) provider.getElementAt(elementNum);
 229                 } else { // at end of list but can branch into child elements - bug 58083
 230                         setEntryChildren(entry);
 231                         entry = entryChildren[0];
 232                 }
 233                 setEntrySelectionInTable();
 234         }
 235
 236         protected void copyPressed() {
 237                 StringWriter writer = new StringWriter();
 238                 PrintWriter pwriter = new PrintWriter(writer);
 239
 240                 entry.write(pwriter);
 241                 pwriter.flush();
 242                 String textVersion = writer.toString();
 243                 try {
 244                         pwriter.close();
 245                         writer.close();
 246                 } catch (IOException e) {
 247                 }
 248                 // set the clipboard contents
 249                 clipboard.setContents(new Object[] { textVersion }, new Transfer[] { TextTransfer.getInstance()});
 250         }
 251
 252         public void setComparator(Comparator comparator){
 253                 this.comparator = comparator;
 254                 updateProperties();
 255         }
 256         private void setComparator(byte sortType, final int sortOrder){
 257                 if (sortType == LogView.DATE){
 258                         comparator = new Comparator(){
 259                                 public int compare(Object e1, Object e2) {
 260                                         try {
 261                                                 SimpleDateFormat formatter = new SimpleDateFormat("MMM dd, yyyy HH:mm:ss.SS"); //$NON-NLS-1$
 262                                                 Date date1 = formatter.parse(((LogEntry)e1).getDate());
 263                                                 Date date2 = formatter.parse(((LogEntry)e2).getDate());
 264                                                 if (sortOrder == ASCENDING)
 265                                                         return date1.before(date2) ? -1 : 1;
 266                                                 return date1.after(date2) ? -1 : 1;
 267                                         } catch (ParseException e) {
 268                                         }
 269                                         return 0;
 270                                 }
 271                         };
 272                 } else if (sortType == LogView.PLUGIN){
 273                         comparator = new Comparator(){
 274                                 public int compare(Object e1, Object e2) {
 275                                         LogEntry entry1 = (LogEntry)e1;
 276                                         LogEntry entry2 = (LogEntry)e2;
 277                                         return collator.compare(entry1.getPluginId(), entry2.getPluginId()) * sortOrder;
 278                                 }
 279                         };
 280                 } else {
 281                         comparator = new Comparator(){
 282                                 public int compare(Object e1, Object e2) {
 283                                         LogEntry entry1 = (LogEntry)e1;
 284                                         LogEntry entry2 = (LogEntry)e2;
 285                                         return collator.compare(entry1.getMessage(), entry2.getMessage()) * sortOrder;
 286                                 }
 287                         };
 288                 }
 289         }
 290
 291         public void resetSelection(IAdaptable selectedEntry, byte sortType, int sortOrder){
 292                 setComparator(sortType, sortOrder);
 293                 resetSelection(selectedEntry);
 294         }
 295
 296         public void resetSelection(IAdaptable selectedEntry){
 297                 if (entry.equals(selectedEntry) &&
 298                                 elementNum == getParentElementNum()){
 299                         updateProperties();
 300                         return;
 301                 }
 302                 entry = (LogEntry)selectedEntry;
 303                 initialize();
 304                 updateProperties();
 305         }
 306
 307         public void resetButtons(){
 308                 backButton.setEnabled(false);
 309                 nextButton.setEnabled(false);
 310         }
 311
 312         private void setEntrySelectionInTable(){
 313                 ISelection selection = new StructuredSelection(entry);
 314                 provider.setSelection(selection);
 315         }
 316
 317         public void updateProperties() {
 318                 if (isChild(entry)){
 319                         parentEntry = (LogEntry) entry.getParent(entry);
 320                         setEntryChildren(parentEntry);
 321                         resetChildIndex();
 322                 }
 323
 324
 325                 totalElementCount = provider.getTableTree().getTable().getItemCount() - getVisibleChildrenCount();
 326                 dateLabel.setText(entry.getDate());
 327                 severityImageLabel.setImage(labelProvider.getColumnImage(entry, 1));
 328                 severityLabel.setText(entry.getSeverityText());
 329                 msgText.setText(entry.getMessage());
 330                 String stack = entry.getStack();
 331                 if (stack != null) {
 332                         stackTraceText.setText(stack);
 333                 } else {
 334                         stackTraceText.setText(PHPDebugCorePlugin.getResourceString(EVENT_NO_STACK));
 335                 }
 336                 LogSession session = entry.getSession();
 337                 if (session != null && session.getSessionData() != null)
 338                         sessionDataText.setText(session.getSessionData());
 339
 340                 updateButtons();
 341         }
 342
 343         private void updateButtons(){
 344                 boolean isAtEnd = elementNum == totalElementCount - 1;
 345                 if (isChild(entry)){
 346                         backButton.setEnabled(true);
 347                         boolean isLastChild = childIndex == entryChildren.length-1;
 348                         nextButton.setEnabled(!isLastChild || !isAtEnd || entry.hasChildren());
 349                 } else {
 350                         backButton.setEnabled(elementNum != 0);
 351                         nextButton.setEnabled(!isAtEnd || entry.hasChildren());
 352                 }
 353         }
 354
 355         private void setEntryChildren(LogEntry parent){
 356                 Object[] children = parent.getChildren(parent);
 357                 if (comparator != null)
 358                         Arrays.sort(children, comparator);
 359                 entryChildren = new LogEntry[children.length];
 360
 361                 System.arraycopy(children,0,entryChildren,0,children.length);
 362         }
 363
 364         private int getParentElementNum(){
 365                 LogEntry itemEntry = (LogEntry)((IStructuredSelection)provider.getSelection()).getFirstElement();
 366                 itemEntry = getRootEntry(itemEntry);
 367
 368                 for (int i = 0; i<provider.getTableTree().getItemCount(); i++){
 369                         try {
 370                                 LogEntry littleEntry = (LogEntry)provider.getElementAt(i);
 371                                 if (itemEntry.equals(littleEntry)){
 372                                         return i;
 373                                 }
 374                         } catch (Exception e){
 375
 376                         }
 377                 }
 378                 return 0;
 379         }
 380         private LogEntry getRootEntry(LogEntry entry){
 381                 if (!isChild(entry))
 382                         return entry;
 383                 return getRootEntry((LogEntry)entry.getParent(entry));
 384         }
 385         public SashForm getSashForm(){
 386                 return sashForm;
 387         }
 388         private int getVisibleChildrenCount(){
 389                 Object[] elements = provider.getVisibleExpandedElements();
 390                 LogEntry[] expandedElements = new LogEntry[elements.length];
 391                 System.arraycopy(elements, 0, expandedElements, 0, elements.length);
 392                 int count = 0;
 393                 for (int i = 0; i<expandedElements.length; i++){
 394                         count += expandedElements[i].getChildren(expandedElements[i]).length;
 395                 }
 396                 return count;
 397         }
 398
 399         protected Control createDialogArea(Composite parent) {
 400                 Composite container = new Composite(parent, SWT.NONE);
 401                 GridLayout layout = new GridLayout();
 402                 layout.numColumns = 1;
 403                 container.setLayout(layout);
 404                 GridData gd = new GridData(GridData.FILL_BOTH);
 405                 container.setLayoutData(gd);
 406
 407                 createDetailsSection(container);
 408                 createSashForm(container);
 409                 createStackSection(getSashForm());
 410                 createSessionSection(getSashForm());
 411
 412                 updateProperties();
 413                 Dialog.applyDialogFont(container);
 414                 return container;
 415         }
 416
 417         private void createSashForm(Composite parent){
 418                 sashForm = new SashForm(parent, SWT.VERTICAL);
 419                 GridLayout layout = new GridLayout();
 420                 layout.marginHeight = layout.marginWidth = 0;
 421                 sashForm.setLayout(layout);
 422                 sashForm.setLayoutData(new GridData(GridData.FILL_BOTH));
 423         }
 424
 425         private void createToolbarButtonBar(Composite parent) {
 426                 Composite comp = new Composite(parent, SWT.NONE);
 427                 GridLayout layout = new GridLayout();
 428                 layout.marginWidth = layout.marginHeight = 0;
 429                 layout.numColumns = 1;
 430                 comp.setLayout(layout);
 431                 comp.setLayoutData(new GridData(GridData.FILL_VERTICAL));
 432
 433                 Composite container = new Composite(comp, SWT.NONE);
 434                 layout = new GridLayout();
 435                 layout.marginWidth = 0;
 436                 layout.marginHeight = 10;
 437                 layout.numColumns = 1;
 438                 container.setLayout(layout);
 439                 container.setLayoutData(new GridData(GridData.FILL_BOTH));
 440
 441                 backButton = createButton(container, IDialogConstants.BACK_ID, "", false); //$NON-NLS-1$
 442                 GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 443                 gd.horizontalSpan = 3;
 444                 gd.verticalSpan = 1;
 445                 backButton.setLayoutData(gd);
 446                 backButton.setToolTipText(PHPDebugCorePlugin.getResourceString(EVENT_PREVIOUS));
 447                 backButton.setImage(imgPrevEnabled);
 448
 449                 nextButton = createButton(container, IDialogConstants.NEXT_ID, "", false); //$NON-NLS-1$
 450                 gd = new GridData();
 451                 gd.horizontalSpan = 3;
 452                 gd.verticalSpan = 1;
 453                 nextButton.setLayoutData(gd);
 454                 nextButton.setToolTipText(PHPDebugCorePlugin.getResourceString(EVENT_NEXT));
 455                 nextButton.setImage(imgNextEnabled);
 456
 457                 copyButton = createButton(container, COPY_ID, "", false); //$NON-NLS-1$
 458                 gd = new GridData();
 459                 gd.horizontalSpan = 3;
 460                 gd.verticalSpan = 1;
 461                 copyButton.setLayoutData(gd);
 462                 copyButton.setImage(imgCopyEnabled);
 463                 copyButton.setToolTipText(PHPDebugCorePlugin.getResourceString(EVENT_COPY));
 464         }
 465
 466         protected void createButtonsForButtonBar(Composite parent) {
 467                 // create OK button only by default
 468                 createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
 469         }
 470
 471         private void createDetailsSection(Composite parent) {
 472                 Composite container = new Composite(parent, SWT.NONE);
 473                 GridLayout layout = new GridLayout();
 474                 layout.numColumns = 2;
 475                 container.setLayout(layout);
 476                 container.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 477
 478                 createTextSection(container);
 479                 createToolbarButtonBar(container);
 480         }
 481
 482         private void createTextSection(Composite parent) {
 483                 Composite textContainer = new Composite(parent, SWT.NONE);
 484                 GridLayout layout = new GridLayout();
 485                 layout.numColumns = 3;
 486                 layout.marginHeight = layout.marginWidth = 0;
 487                 textContainer.setLayout(layout);
 488                 textContainer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 489
 490                 Label label = new Label(textContainer, SWT.NONE);
 491                 label.setText(PHPDebugCorePlugin.getResourceString("EventDetailsDialog.date")); //$NON-NLS-1$
 492                 dateLabel = new Label(textContainer, SWT.NULL);
 493                 GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 494                 gd.horizontalSpan = 2;
 495                 dateLabel.setLayoutData(gd);
 496
 497                 label = new Label(textContainer, SWT.NONE);
 498                 label.setText(PHPDebugCorePlugin.getResourceString("EventDetailsDialog.severity")); //$NON-NLS-1$
 499                 severityImageLabel = new Label(textContainer, SWT.NULL);
 500                 severityLabel = new Label(textContainer, SWT.NULL);
 501                 gd = new GridData(GridData.FILL_HORIZONTAL);
 502                 severityLabel.setLayoutData(gd);
 503
 504                 label = new Label(textContainer, SWT.NONE);
 505                 label.setText(PHPDebugCorePlugin.getResourceString("EventDetailsDialog.message")); //$NON-NLS-1$
 506                 gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
 507                 label.setLayoutData(gd);
 508                 msgText = new Text(textContainer, SWT.MULTI | SWT.V_SCROLL | SWT.WRAP | SWT.BORDER);
 509                 msgText.setEditable(false);
 510                 gd = new GridData(GridData.FILL_BOTH | GridData.VERTICAL_ALIGN_BEGINNING | GridData.GRAB_VERTICAL);
 511                 gd.horizontalSpan = 2;
 512                 gd.verticalSpan = 8;
 513                 gd.grabExcessVerticalSpace = true;
 514                 msgText.setLayoutData(gd);
 515         }
 516
 517         private void createStackSection(Composite parent) {
 518                 Composite container = new Composite(parent, SWT.NONE);
 519                 GridLayout layout = new GridLayout();
 520                 layout.marginHeight = 0;
 521                 layout.marginWidth = 6;
 522                 container.setLayout(layout);
 523                 GridData gd = new GridData(GridData.FILL_BOTH);
 524                 gd.heightHint = 100;
 525                 container.setLayoutData(gd);
 526
 527                 Label label = new Label(container, SWT.NULL);
 528                 label.setText(PHPDebugCorePlugin.getResourceString("EventDetailsDialog.exception")); //$NON-NLS-1$
 529                 gd = new GridData(GridData.FILL_HORIZONTAL);
 530                 gd.horizontalSpan = 3;
 531                 label.setLayoutData(gd);
 532
 533                 stackTraceText = new Text(container, SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
 534                 gd = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL);
 535                 gd.grabExcessHorizontalSpace = true;
 536                 stackTraceText.setLayoutData(gd);
 537                 stackTraceText.setEditable(false);
 538         }
 539
 540         private void createSessionSection(Composite parent) {
 541                 Composite container = new Composite(parent, SWT.NONE);
 542                 GridLayout layout = new GridLayout();
 543                 layout.marginHeight = 0;
 544                 layout.marginWidth = 6;
 545                 container.setLayout(layout);
 546                 GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 547                 gd.heightHint = 100;
 548                 container.setLayoutData(gd);
 549
 550                 Label line = new Label(container, SWT.SEPARATOR | SWT.HORIZONTAL);
 551                 gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 552                 gd.widthHint = 1;
 553                 line.setLayoutData(gd);
 554
 555                 Label label = new Label(container, SWT.NONE);
 556                 label.setText(PHPDebugCorePlugin.getResourceString("EventDetailsDialog.session")); //$NON-NLS-1$
 557                 gd = new GridData(GridData.FILL_HORIZONTAL);
 558                 label.setLayoutData(gd);
 559                 sessionDataText = new Text(container, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL );
 560                 gd = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL);
 561                 gd.grabExcessHorizontalSpace = true;
 562                 sessionDataText.setLayoutData(gd);
 563                 sessionDataText.setEditable(false);
 564         }
 565
 566         //--------------- configuration handling --------------
 567
 568         /**
 569          * Stores the current state in the dialog settings.
 570          * @since 2.0
 571          */
 572         private void storeSettings() {
 573                 writeConfiguration();
 574         }
 575         /**
 576          * Returns the dialog settings object used to share state
 577          * between several event detail dialogs.
 578          *
 579          * @return the dialog settings to be used
 580          */
 581         private IDialogSettings getDialogSettings() {
 582                 IDialogSettings settings= PHPDebugCorePlugin.getDefault().getDialogSettings();
 583                 dialogSettings= settings.getSection(getClass().getName());
 584                 if (dialogSettings == null)
 585                         dialogSettings= settings.addNewSection(getClass().getName());
 586                 return dialogSettings;
 587         }
 588
 589         /**
 590          * Initializes itself from the dialog settings with the same state
 591          * as at the previous invocation.
 592          */
 593         private void readConfiguration() {
 594                 IDialogSettings s= getDialogSettings();
 595                 try {
 596                         int x= s.getInt("x"); //$NON-NLS-1$
 597                         int y= s.getInt("y"); //$NON-NLS-1$
 598                         dialogLocation= new Point(x, y);
 599
 600                         x = s.getInt("width"); //$NON-NLS-1$
 601                         y = s.getInt("height"); //$NON-NLS-1$
 602                         dialogSize = new Point(x,y);
 603
 604                         sashWeights = new int[2];
 605                         sashWeights[0] = s.getInt("sashWidth1"); //$NON-NLS-1$
 606                         sashWeights[1] = s.getInt("sashWidth2"); //$NON-NLS-1$
 607
 608                 } catch (NumberFormatException e) {
 609                         dialogLocation= null;
 610                         dialogSize = null;
 611                         sashWeights = null;
 612                 }
 613         }
 614
 615         private void writeConfiguration(){
 616                 IDialogSettings s = getDialogSettings();
 617                 Point location = getShell().getLocation();
 618                 s.put("x", location.x); //$NON-NLS-1$
 619                 s.put("y", location.y); //$NON-NLS-1$
 620
 621                 Point size = getShell().getSize();
 622                 s.put("width", size.x); //$NON-NLS-1$
 623                 s.put("height", size.y); //$NON-NLS-1$
 624
 625                 sashWeights = getSashForm().getWeights();
 626                 s.put("sashWidth1", sashWeights[0]); //$NON-NLS-1$
 627                 s.put("sashWidth2", sashWeights[1]); //$NON-NLS-1$
 628         }
 629 }