org.argeo.cms.ui/src/org/argeo/cms/ui/internal/text/AbstractDbkViewer.java

   1 package org.argeo.cms.ui.internal.text;
   2
   3 import static javax.jcr.Property.JCR_TITLE;
   4 import static org.argeo.cms.util.CmsUtils.fillWidth;
   5
   6 import java.util.ArrayList;
   7 import java.util.Iterator;
   8 import java.util.Map;
   9 import java.util.Observer;
  10
  11 import javax.jcr.Item;
  12 import javax.jcr.Node;
  13 import javax.jcr.NodeIterator;
  14 import javax.jcr.Property;
  15 import javax.jcr.RepositoryException;
  16 import javax.jcr.Session;
  17 import javax.jcr.nodetype.NodeType;
  18
  19 import org.apache.commons.logging.Log;
  20 import org.apache.commons.logging.LogFactory;
  21 import org.argeo.cms.CmsException;
  22 import org.argeo.cms.text.DbkTextInterpreter;
  23 import org.argeo.cms.text.Img;
  24 import org.argeo.cms.text.Paragraph;
  25 import org.argeo.cms.text.TextInterpreter;
  26 import org.argeo.cms.text.TextSection;
  27 import org.argeo.cms.ui.CmsEditable;
  28 import org.argeo.cms.ui.CmsImageManager;
  29 import org.argeo.cms.util.CmsUtils;
  30 import org.argeo.cms.viewers.AbstractPageViewer;
  31 import org.argeo.cms.viewers.EditablePart;
  32 import org.argeo.cms.viewers.NodePart;
  33 import org.argeo.cms.viewers.PropertyPart;
  34 import org.argeo.cms.viewers.Section;
  35 import org.argeo.cms.viewers.SectionPart;
  36 import org.argeo.cms.widgets.EditableImage;
  37 import org.argeo.cms.widgets.EditableText;
  38 import org.argeo.cms.widgets.StyledControl;
  39 import org.argeo.jcr.JcrUtils;
  40 import org.argeo.jcr.docbook.DocBookNames;
  41 import org.argeo.jcr.docbook.DocBookTypes;
  42 import org.eclipse.rap.fileupload.FileDetails;
  43 import org.eclipse.rap.fileupload.FileUploadEvent;
  44 import org.eclipse.rap.fileupload.FileUploadHandler;
  45 import org.eclipse.rap.fileupload.FileUploadListener;
  46 import org.eclipse.rap.rwt.RWT;
  47 import org.eclipse.swt.SWT;
  48 import org.eclipse.swt.events.KeyEvent;
  49 import org.eclipse.swt.events.KeyListener;
  50 import org.eclipse.swt.events.MouseAdapter;
  51 import org.eclipse.swt.events.MouseEvent;
  52 import org.eclipse.swt.events.MouseListener;
  53 import org.eclipse.swt.graphics.Point;
  54 import org.eclipse.swt.widgets.Composite;
  55 import org.eclipse.swt.widgets.Control;
  56 import org.eclipse.swt.widgets.Text;
  57
  58 /** Base class for text viewers and editors. */
  59 public abstract class AbstractDbkViewer extends AbstractPageViewer implements KeyListener, Observer {
  60         private static final long serialVersionUID = -2401274679492339668L;
  61         private final static Log log = LogFactory.getLog(AbstractDbkViewer.class);
  62
  63         private final Section mainSection;
  64
  65         private TextInterpreter textInterpreter = new DbkTextInterpreter();
  66         private CmsImageManager imageManager = CmsUtils.getCmsView().getImageManager();
  67
  68         private FileUploadListener fileUploadListener;
  69         private DbkContextMenu styledTools;
  70
  71         private final boolean flat;
  72
  73         protected AbstractDbkViewer(Section parent, int style, CmsEditable cmsEditable) {
  74                 super(parent, style, cmsEditable);
  75                 flat = SWT.FLAT == (style & SWT.FLAT);
  76
  77                 if (getCmsEditable().canEdit()) {
  78                         fileUploadListener = new FUL();
  79                         styledTools = new DbkContextMenu(this, parent.getDisplay());
  80                 }
  81                 this.mainSection = parent;
  82                 initModelIfNeeded(mainSection.getNode());
  83                 // layout(this.mainSection);
  84         }
  85
  86         @Override
  87         public Control getControl() {
  88                 return mainSection;
  89         }
  90
  91         protected void refresh(Control control) throws RepositoryException {
  92                 if (!(control instanceof Section))
  93                         return;
  94                 Section section = (Section) control;
  95                 if (section instanceof TextSection) {
  96                         CmsUtils.clear(section);
  97                         Node node = section.getNode();
  98                         TextSection textSection = (TextSection) section;
  99                         if (node.hasProperty(Property.JCR_TITLE)) {
 100                                 if (section.getHeader() == null)
 101                                         section.createHeader();
 102                                 if (node.hasProperty(Property.JCR_TITLE)) {
 103                                         SectionTitle title = newSectionTitle(textSection, node);
 104                                         title.setLayoutData(CmsUtils.fillWidth());
 105                                         updateContent(title);
 106                                 }
 107                         }
 108
 109                         for (NodeIterator ni = node.getNodes(DocBookNames.DBK_PARA); ni.hasNext();) {
 110                                 Node child = ni.nextNode();
 111                                 final SectionPart sectionPart;
 112                                 if (child.isNodeType(DocBookTypes.IMAGEDATA) || child.isNodeType(NodeType.NT_FILE)) {
 113                                         // FIXME adapt to DocBook
 114                                         sectionPart = newImg(textSection, child);
 115                                 } else if (child.isNodeType(DocBookTypes.PARA)) {
 116                                         sectionPart = newParagraph(textSection, child);
 117                                 } else {
 118                                         sectionPart = newSectionPart(textSection, child);
 119                                         if (sectionPart == null)
 120                                                 throw new CmsException("Unsupported node " + child);
 121                                         // TODO list node types in exception
 122                                 }
 123                                 if (sectionPart instanceof Control)
 124                                         ((Control) sectionPart).setLayoutData(CmsUtils.fillWidth());
 125                         }
 126
 127                         if (!flat)
 128                                 for (NodeIterator ni = section.getNode().getNodes(DocBookNames.DBK_SECTION); ni.hasNext();) {
 129                                         Node child = ni.nextNode();
 130                                         if (child.isNodeType(DocBookTypes.SECTION)) {
 131                                                 TextSection newSection = new TextSection(section, SWT.NONE, child);
 132                                                 newSection.setLayoutData(CmsUtils.fillWidth());
 133                                                 refresh(newSection);
 134                                         }
 135                                 }
 136                 } else {
 137                         for (Section s : section.getSubSections().values())
 138                                 refresh(s);
 139                 }
 140                 // section.layout();
 141         }
 142
 143         /** To be overridden in order to provide additional SectionPart types */
 144         protected SectionPart newSectionPart(TextSection textSection, Node node) {
 145                 return null;
 146         }
 147
 148         // CRUD
 149         protected Paragraph newParagraph(TextSection parent, Node node) throws RepositoryException {
 150                 Paragraph paragraph = new Paragraph(parent, parent.getStyle(), node);
 151                 updateContent(paragraph);
 152                 paragraph.setLayoutData(fillWidth());
 153                 paragraph.setMouseListener(getMouseListener());
 154                 return paragraph;
 155         }
 156
 157         protected Img newImg(TextSection parent, Node node) throws RepositoryException {
 158                 Img img = new Img(parent, parent.getStyle(), node) {
 159                         private static final long serialVersionUID = 1297900641952417540L;
 160
 161                         @Override
 162                         protected void setContainerLayoutData(Composite composite) {
 163                                 composite.setLayoutData(CmsUtils.grabWidth(SWT.CENTER, SWT.DEFAULT));
 164                         }
 165
 166                         @Override
 167                         protected void setControlLayoutData(Control control) {
 168                                 control.setLayoutData(CmsUtils.grabWidth(SWT.CENTER, SWT.DEFAULT));
 169                         }
 170                 };
 171                 img.setLayoutData(CmsUtils.grabWidth(SWT.CENTER, SWT.DEFAULT));
 172                 updateContent(img);
 173                 img.setMouseListener(getMouseListener());
 174                 return img;
 175         }
 176
 177         protected SectionTitle newSectionTitle(TextSection parent, Node node) throws RepositoryException {
 178                 SectionTitle title = new SectionTitle(parent.getHeader(), parent.getStyle(), node.getProperty(JCR_TITLE));
 179                 updateContent(title);
 180                 title.setMouseListener(getMouseListener());
 181                 return title;
 182         }
 183
 184         protected SectionTitle prepareSectionTitle(Section newSection, String titleText) throws RepositoryException {
 185                 Node sectionNode = newSection.getNode();
 186                 if (!sectionNode.hasProperty(JCR_TITLE))
 187                         sectionNode.setProperty(Property.JCR_TITLE, "");
 188                 getTextInterpreter().write(sectionNode.getProperty(Property.JCR_TITLE), titleText);
 189                 if (newSection.getHeader() == null)
 190                         newSection.createHeader();
 191                 SectionTitle sectionTitle = newSectionTitle((TextSection) newSection, sectionNode);
 192                 return sectionTitle;
 193         }
 194
 195         protected void updateContent(EditablePart part) throws RepositoryException {
 196                 if (part instanceof SectionPart) {
 197                         SectionPart sectionPart = (SectionPart) part;
 198                         Node partNode = sectionPart.getNode();
 199
 200                         if (part instanceof StyledControl && (sectionPart.getSection() instanceof TextSection)) {
 201                                 TextSection section = (TextSection) sectionPart.getSection();
 202                                 StyledControl styledControl = (StyledControl) part;
 203                                 if (partNode.isNodeType(DocBookTypes.PARA)) {
 204                                         String style = partNode.hasProperty(DocBookNames.DBK_ROLE)
 205                                                         ? partNode.getProperty(DocBookNames.DBK_ROLE).getString()
 206                                                         : section.getDefaultTextStyle();
 207                                         styledControl.setStyle(style);
 208                                 }
 209                         }
 210                         // use control AFTER setting style, since it may have been reset
 211
 212                         if (part instanceof EditableText) {
 213                                 EditableText paragraph = (EditableText) part;
 214                                 if (paragraph == getEdited())
 215                                         paragraph.setText(textInterpreter.read(partNode));
 216                                 else
 217                                         paragraph.setText(textInterpreter.raw(partNode));
 218                         } else if (part instanceof EditableImage) {
 219                                 EditableImage editableImage = (EditableImage) part;
 220                                 imageManager.load(partNode, part.getControl(), editableImage.getPreferredImageSize());
 221                         }
 222                 } else if (part instanceof SectionTitle) {
 223                         SectionTitle title = (SectionTitle) part;
 224                         title.setStyle(title.getSection().getTitleStyle());
 225                         // use control AFTER setting style
 226                         if (title == getEdited())
 227                                 title.setText(textInterpreter.read(title.getProperty()));
 228                         else
 229                                 title.setText(textInterpreter.raw(title.getProperty()));
 230                 }
 231         }
 232
 233         // OVERRIDDEN FROM PARENT VIEWER
 234         @Override
 235         protected void save(EditablePart part) throws RepositoryException {
 236                 if (part instanceof EditableText) {
 237                         EditableText et = (EditableText) part;
 238                         String text = ((Text) et.getControl()).getText();
 239
 240                         String[] lines = text.split("[\r\n]+");
 241                         assert lines.length != 0;
 242                         saveLine(part, lines[0]);
 243                         if (lines.length > 1) {
 244                                 ArrayList<Control> toLayout = new ArrayList<Control>();
 245                                 if (part instanceof Paragraph) {
 246                                         Paragraph currentParagraph = (Paragraph) et;
 247                                         Section section = currentParagraph.getSection();
 248                                         Node sectionNode = section.getNode();
 249                                         Node currentParagraphN = currentParagraph.getNode();
 250                                         for (int i = 1; i < lines.length; i++) {
 251                                                 Node newNode = sectionNode.addNode(DocBookNames.DBK_PARA, DocBookTypes.PARA);
 252                                                 // newNode.addMixin(CmsTypes.CMS_STYLED);
 253                                                 saveLine(newNode, lines[i]);
 254                                                 // second node was create as last, if it is not the next
 255                                                 // one, it
 256                                                 // means there are some in between and we can take the
 257                                                 // one at
 258                                                 // index+1 for the re-order
 259                                                 if (newNode.getIndex() > currentParagraphN.getIndex() + 1) {
 260                                                         sectionNode.orderBefore(p(newNode.getIndex()), p(currentParagraphN.getIndex() + 1));
 261                                                 }
 262                                                 Paragraph newParagraph = newParagraph((TextSection) section, newNode);
 263                                                 newParagraph.moveBelow(currentParagraph);
 264                                                 toLayout.add(newParagraph);
 265
 266                                                 currentParagraph = newParagraph;
 267                                                 currentParagraphN = newNode;
 268                                         }
 269                                         persistChanges(sectionNode);
 270                                 }
 271                                 // TODO or rather return the created paragarphs?
 272                                 layout(toLayout.toArray(new Control[toLayout.size()]));
 273                         }
 274                 }
 275         }
 276
 277         protected void saveLine(EditablePart part, String line) {
 278                 if (part instanceof NodePart) {
 279                         saveLine(((NodePart) part).getNode(), line);
 280                 } else if (part instanceof PropertyPart) {
 281                         saveLine(((PropertyPart) part).getProperty(), line);
 282                 } else {
 283                         throw new CmsException("Unsupported part " + part);
 284                 }
 285         }
 286
 287         protected void saveLine(Item item, String line) {
 288                 line = line.trim();
 289                 textInterpreter.write(item, line);
 290         }
 291
 292         @Override
 293         protected void prepare(EditablePart part, Object caretPosition) {
 294                 Control control = part.getControl();
 295                 if (control instanceof Text) {
 296                         Text text = (Text) control;
 297                         if (caretPosition != null)
 298                                 if (caretPosition instanceof Integer)
 299                                         text.setSelection((Integer) caretPosition);
 300                                 else if (caretPosition instanceof Point) {
 301                                         // TODO find a way to position the caret at the right place
 302                                 }
 303                         text.setData(RWT.ACTIVE_KEYS, new String[] { "BACKSPACE", "ESC", "TAB", "SHIFT+TAB", "ALT+ARROW_LEFT",
 304                                         "ALT+ARROW_RIGHT", "ALT+ARROW_UP", "ALT+ARROW_DOWN", "RETURN", "CTRL+RETURN", "ENTER", "DELETE" });
 305                         text.setData(RWT.CANCEL_KEYS, new String[] { "RETURN", "ALT+ARROW_LEFT", "ALT+ARROW_RIGHT" });
 306                         text.addKeyListener(this);
 307                 } else if (part instanceof Img) {
 308                         ((Img) part).setFileUploadListener(fileUploadListener);
 309                 }
 310         }
 311
 312         // REQUIRED BY CONTEXT MENU
 313         void setParagraphStyle(Paragraph paragraph, String style) {
 314                 try {
 315                         Node paragraphNode = paragraph.getNode();
 316                         paragraphNode.setProperty(DocBookNames.DBK_ROLE, style);
 317                         persistChanges(paragraphNode);
 318                         updateContent(paragraph);
 319                         layout(paragraph);
 320                 } catch (RepositoryException e1) {
 321                         throw new CmsException("Cannot set style " + style + " on " + paragraph, e1);
 322                 }
 323         }
 324
 325         void deletePart(SectionPart paragraph) {
 326                 try {
 327                         Node paragraphNode = paragraph.getNode();
 328                         Section section = paragraph.getSection();
 329                         Session session = paragraphNode.getSession();
 330                         paragraphNode.remove();
 331                         session.save();
 332                         if (paragraph instanceof Control)
 333                                 ((Control) paragraph).dispose();
 334                         layout(section);
 335                 } catch (RepositoryException e1) {
 336                         throw new CmsException("Cannot delete " + paragraph, e1);
 337                 }
 338         }
 339
 340         String getRawParagraphText(Paragraph paragraph) {
 341                 return textInterpreter.raw(paragraph.getNode());
 342         }
 343
 344         // COMMANDS
 345         protected void splitEdit() {
 346                 checkEdited();
 347                 try {
 348                         if (getEdited() instanceof Paragraph) {
 349                                 Paragraph paragraph = (Paragraph) getEdited();
 350                                 Text text = (Text) paragraph.getControl();
 351                                 int caretPosition = text.getCaretPosition();
 352                                 String txt = text.getText();
 353                                 String first = txt.substring(0, caretPosition);
 354                                 String second = txt.substring(caretPosition);
 355                                 Node firstNode = paragraph.getNode();
 356                                 Node sectionNode = firstNode.getParent();
 357
 358                                 // FIXME set content the DocBook way
 359                                 // firstNode.setProperty(CMS_CONTENT, first);
 360                                 Node secondNode = sectionNode.addNode(DocBookNames.DBK_PARA, DocBookTypes.PARA);
 361                                 // secondNode.addMixin(CmsTypes.CMS_STYLED);
 362
 363                                 // second node was create as last, if it is not the next one, it
 364                                 // means there are some in between and we can take the one at
 365                                 // index+1 for the re-order
 366                                 if (secondNode.getIndex() > firstNode.getIndex() + 1) {
 367                                         sectionNode.orderBefore(p(secondNode.getIndex()), p(firstNode.getIndex() + 1));
 368                                 }
 369
 370                                 // if we die in between, at least we still have the whole text
 371                                 // in the first node
 372                                 try {
 373                                         textInterpreter.write(secondNode, second);
 374                                         textInterpreter.write(firstNode, first);
 375                                 } catch (Exception e) {
 376                                         // so that no additional nodes are created:
 377                                         JcrUtils.discardUnderlyingSessionQuietly(firstNode);
 378                                         throw e;
 379                                 }
 380
 381                                 persistChanges(firstNode);
 382
 383                                 Paragraph secondParagraph = paragraphSplitted(paragraph, secondNode);
 384                                 edit(secondParagraph, 0);
 385                         } else if (getEdited() instanceof SectionTitle) {
 386                                 SectionTitle sectionTitle = (SectionTitle) getEdited();
 387                                 Text text = (Text) sectionTitle.getControl();
 388                                 String txt = text.getText();
 389                                 int caretPosition = text.getCaretPosition();
 390                                 Section section = sectionTitle.getSection();
 391                                 Node sectionNode = section.getNode();
 392                                 Node paragraphNode = sectionNode.addNode(DocBookNames.DBK_PARA, DocBookTypes.PARA);
 393                                 // paragraphNode.addMixin(CmsTypes.CMS_STYLED);
 394
 395                                 textInterpreter.write(paragraphNode, txt.substring(caretPosition));
 396                                 textInterpreter.write(sectionNode.getProperty(Property.JCR_TITLE), txt.substring(0, caretPosition));
 397                                 sectionNode.orderBefore(p(paragraphNode.getIndex()), p(1));
 398                                 persistChanges(sectionNode);
 399
 400                                 Paragraph paragraph = sectionTitleSplitted(sectionTitle, paragraphNode);
 401                                 // section.layout();
 402                                 edit(paragraph, 0);
 403                         }
 404                 } catch (RepositoryException e) {
 405                         throw new CmsException("Cannot split " + getEdited(), e);
 406                 }
 407         }
 408
 409         protected void mergeWithPrevious() {
 410                 checkEdited();
 411                 try {
 412                         Paragraph paragraph = (Paragraph) getEdited();
 413                         Text text = (Text) paragraph.getControl();
 414                         String txt = text.getText();
 415                         Node paragraphNode = paragraph.getNode();
 416                         if (paragraphNode.getIndex() == 1)
 417                                 return;// do nothing
 418                         Node sectionNode = paragraphNode.getParent();
 419                         Node previousNode = sectionNode.getNode(p(paragraphNode.getIndex() - 1));
 420                         String previousTxt = textInterpreter.read(previousNode);
 421                         textInterpreter.write(previousNode, previousTxt + txt);
 422                         paragraphNode.remove();
 423                         persistChanges(sectionNode);
 424
 425                         Paragraph previousParagraph = paragraphMergedWithPrevious(paragraph, previousNode);
 426                         edit(previousParagraph, previousTxt.length());
 427                 } catch (RepositoryException e) {
 428                         throw new CmsException("Cannot stop editing", e);
 429                 }
 430         }
 431
 432         protected void mergeWithNext() {
 433                 checkEdited();
 434                 try {
 435                         Paragraph paragraph = (Paragraph) getEdited();
 436                         Text text = (Text) paragraph.getControl();
 437                         String txt = text.getText();
 438                         Node paragraphNode = paragraph.getNode();
 439                         Node sectionNode = paragraphNode.getParent();
 440                         NodeIterator paragraphNodes = sectionNode.getNodes(DocBookNames.DBK_PARA);
 441                         long size = paragraphNodes.getSize();
 442                         if (paragraphNode.getIndex() == size)
 443                                 return;// do nothing
 444                         Node nextNode = sectionNode.getNode(p(paragraphNode.getIndex() + 1));
 445                         String nextTxt = textInterpreter.read(nextNode);
 446                         textInterpreter.write(paragraphNode, txt + nextTxt);
 447
 448                         Section section = paragraph.getSection();
 449                         Paragraph removed = (Paragraph) section.getSectionPart(nextNode.getIdentifier());
 450
 451                         nextNode.remove();
 452                         persistChanges(sectionNode);
 453
 454                         paragraphMergedWithNext(paragraph, removed);
 455                         edit(paragraph, txt.length());
 456                 } catch (RepositoryException e) {
 457                         throw new CmsException("Cannot stop editing", e);
 458                 }
 459         }
 460
 461         protected synchronized void upload(EditablePart part) {
 462                 try {
 463                         if (part instanceof SectionPart) {
 464                                 SectionPart sectionPart = (SectionPart) part;
 465                                 Node partNode = sectionPart.getNode();
 466                                 int partIndex = partNode.getIndex();
 467                                 Section section = sectionPart.getSection();
 468                                 Node sectionNode = section.getNode();
 469
 470                                 if (part instanceof Paragraph) {
 471                                         // FIXME adapt to DocBook
 472                                         Node newNode = sectionNode.addNode(DocBookNames.DBK_MEDIAOBJECT, NodeType.NT_FILE);
 473                                         newNode.addNode(Node.JCR_CONTENT, NodeType.NT_RESOURCE);
 474                                         JcrUtils.copyBytesAsFile(sectionNode, p(newNode.getIndex()), new byte[0]);
 475                                         if (partIndex < newNode.getIndex() - 1) {
 476                                                 // was not last
 477                                                 sectionNode.orderBefore(p(newNode.getIndex()), p(partIndex - 1));
 478                                         }
 479                                         // sectionNode.orderBefore(p(partNode.getIndex()),
 480                                         // p(newNode.getIndex()));
 481                                         persistChanges(sectionNode);
 482                                         Img img = newImg((TextSection) section, newNode);
 483                                         edit(img, null);
 484                                         layout(img.getControl());
 485                                 } else if (part instanceof Img) {
 486                                         if (getEdited() == part)
 487                                                 return;
 488                                         edit(part, null);
 489                                         layout(part.getControl());
 490                                 }
 491                         }
 492                 } catch (RepositoryException e) {
 493                         throw new CmsException("Cannot upload", e);
 494                 }
 495         }
 496
 497         protected void deepen() {
 498                 if (flat)
 499                         return;
 500                 checkEdited();
 501                 try {
 502                         if (getEdited() instanceof Paragraph) {
 503                                 Paragraph paragraph = (Paragraph) getEdited();
 504                                 Text text = (Text) paragraph.getControl();
 505                                 String txt = text.getText();
 506                                 Node paragraphNode = paragraph.getNode();
 507                                 Section section = paragraph.getSection();
 508                                 Node sectionNode = section.getNode();
 509                                 // main title
 510                                 if (section == mainSection && section instanceof TextSection && paragraphNode.getIndex() == 1
 511                                                 && !sectionNode.hasProperty(JCR_TITLE)) {
 512                                         SectionTitle sectionTitle = prepareSectionTitle(section, txt);
 513                                         edit(sectionTitle, 0);
 514                                         return;
 515                                 }
 516                                 Node newSectionNode = sectionNode.addNode(DocBookNames.DBK_SECTION, DocBookTypes.SECTION);
 517                                 sectionNode.orderBefore(h(newSectionNode.getIndex()), h(1));
 518
 519                                 int paragraphIndex = paragraphNode.getIndex();
 520                                 String sectionPath = sectionNode.getPath();
 521                                 String newSectionPath = newSectionNode.getPath();
 522                                 while (sectionNode.hasNode(p(paragraphIndex + 1))) {
 523                                         Node parag = sectionNode.getNode(p(paragraphIndex + 1));
 524                                         sectionNode.getSession().move(sectionPath + '/' + p(paragraphIndex + 1),
 525                                                         newSectionPath + '/' + DocBookNames.DBK_PARA);
 526                                         SectionPart sp = section.getSectionPart(parag.getIdentifier());
 527                                         if (sp instanceof Control)
 528                                                 ((Control) sp).dispose();
 529                                 }
 530                                 // create property
 531                                 newSectionNode.setProperty(Property.JCR_TITLE, "");
 532                                 getTextInterpreter().write(newSectionNode.getProperty(Property.JCR_TITLE), txt);
 533
 534                                 TextSection newSection = new TextSection(section, section.getStyle(), newSectionNode);
 535                                 newSection.setLayoutData(CmsUtils.fillWidth());
 536                                 newSection.moveBelow(paragraph);
 537
 538                                 // dispose
 539                                 paragraphNode.remove();
 540                                 paragraph.dispose();
 541
 542                                 refresh(newSection);
 543                                 newSection.getParent().layout();
 544                                 layout(newSection);
 545                                 persistChanges(sectionNode);
 546                         } else if (getEdited() instanceof SectionTitle) {
 547                                 SectionTitle sectionTitle = (SectionTitle) getEdited();
 548                                 Section section = sectionTitle.getSection();
 549                                 Section parentSection = section.getParentSection();
 550                                 if (parentSection == null)
 551                                         return;// cannot deepen main section
 552                                 Node sectionN = section.getNode();
 553                                 Node parentSectionN = parentSection.getNode();
 554                                 if (sectionN.getIndex() == 1)
 555                                         return;// cannot deepen first section
 556                                 Node previousSectionN = parentSectionN.getNode(h(sectionN.getIndex() - 1));
 557                                 NodeIterator subSections = previousSectionN.getNodes(DocBookNames.DBK_SECTION);
 558                                 int subsectionsCount = (int) subSections.getSize();
 559                                 previousSectionN.getSession().move(sectionN.getPath(),
 560                                                 previousSectionN.getPath() + "/" + h(subsectionsCount + 1));
 561                                 section.dispose();
 562                                 TextSection newSection = new TextSection(section, section.getStyle(), sectionN);
 563                                 refresh(newSection);
 564                                 persistChanges(previousSectionN);
 565                         }
 566                 } catch (RepositoryException e) {
 567                         throw new CmsException("Cannot deepen " + getEdited(), e);
 568                 }
 569         }
 570
 571         protected void undeepen() {
 572                 if (flat)
 573                         return;
 574                 checkEdited();
 575                 try {
 576                         if (getEdited() instanceof Paragraph) {
 577                                 upload(getEdited());
 578                         } else if (getEdited() instanceof SectionTitle) {
 579                                 SectionTitle sectionTitle = (SectionTitle) getEdited();
 580                                 Section section = sectionTitle.getSection();
 581                                 Node sectionNode = section.getNode();
 582                                 Section parentSection = section.getParentSection();
 583                                 if (parentSection == null)
 584                                         return;// cannot undeepen main section
 585
 586                                 // choose in which section to merge
 587                                 Section mergedSection;
 588                                 if (sectionNode.getIndex() == 1)
 589                                         mergedSection = section.getParentSection();
 590                                 else {
 591                                         Map<String, Section> parentSubsections = parentSection.getSubSections();
 592                                         ArrayList<Section> lst = new ArrayList<Section>(parentSubsections.values());
 593                                         mergedSection = lst.get(sectionNode.getIndex() - 1);
 594                                 }
 595                                 Node mergedNode = mergedSection.getNode();
 596                                 boolean mergedHasSubSections = mergedNode.hasNode(DocBookNames.DBK_SECTION);
 597
 598                                 // title as paragraph
 599                                 Node newParagrapheNode = mergedNode.addNode(DocBookNames.DBK_PARA, DocBookTypes.PARA);
 600                                 // newParagrapheNode.addMixin(CmsTypes.CMS_STYLED);
 601                                 if (mergedHasSubSections)
 602                                         mergedNode.orderBefore(p(newParagrapheNode.getIndex()), h(1));
 603                                 String txt = getTextInterpreter().read(sectionNode.getProperty(Property.JCR_TITLE));
 604                                 getTextInterpreter().write(newParagrapheNode, txt);
 605                                 // move
 606                                 NodeIterator paragraphs = sectionNode.getNodes(DocBookNames.DBK_PARA);
 607                                 while (paragraphs.hasNext()) {
 608                                         Node p = paragraphs.nextNode();
 609                                         SectionPart sp = section.getSectionPart(p.getIdentifier());
 610                                         if (sp instanceof Control)
 611                                                 ((Control) sp).dispose();
 612                                         mergedNode.getSession().move(p.getPath(), mergedNode.getPath() + '/' + DocBookNames.DBK_PARA);
 613                                         if (mergedHasSubSections)
 614                                                 mergedNode.orderBefore(p(p.getIndex()), h(1));
 615                                 }
 616
 617                                 Iterator<Section> subsections = section.getSubSections().values().iterator();
 618                                 // NodeIterator sections = sectionNode.getNodes(CMS_H);
 619                                 while (subsections.hasNext()) {
 620                                         Section subsection = subsections.next();
 621                                         Node s = subsection.getNode();
 622                                         mergedNode.getSession().move(s.getPath(), mergedNode.getPath() + '/' + DocBookNames.DBK_SECTION);
 623                                         subsection.dispose();
 624                                 }
 625
 626                                 // remove section
 627                                 section.getNode().remove();
 628                                 section.dispose();
 629
 630                                 refresh(mergedSection);
 631                                 mergedSection.getParent().layout();
 632                                 layout(mergedSection);
 633                                 persistChanges(mergedNode);
 634                         }
 635                 } catch (RepositoryException e) {
 636                         throw new CmsException("Cannot undeepen " + getEdited(), e);
 637                 }
 638         }
 639
 640         // UI CHANGES
 641         protected Paragraph paragraphSplitted(Paragraph paragraph, Node newNode) throws RepositoryException {
 642                 Section section = paragraph.getSection();
 643                 updateContent(paragraph);
 644                 Paragraph newParagraph = newParagraph((TextSection) section, newNode);
 645                 newParagraph.setLayoutData(CmsUtils.fillWidth());
 646                 newParagraph.moveBelow(paragraph);
 647                 layout(paragraph.getControl(), newParagraph.getControl());
 648                 return newParagraph;
 649         }
 650
 651         protected Paragraph sectionTitleSplitted(SectionTitle sectionTitle, Node newNode) throws RepositoryException {
 652                 updateContent(sectionTitle);
 653                 Paragraph newParagraph = newParagraph(sectionTitle.getSection(), newNode);
 654                 // we assume beforeFirst is not null since there was a sectionTitle
 655                 newParagraph.moveBelow(sectionTitle.getSection().getHeader());
 656                 layout(sectionTitle.getControl(), newParagraph.getControl());
 657                 return newParagraph;
 658         }
 659
 660         protected Paragraph paragraphMergedWithPrevious(Paragraph removed, Node remaining) throws RepositoryException {
 661                 Section section = removed.getSection();
 662                 removed.dispose();
 663
 664                 Paragraph paragraph = (Paragraph) section.getSectionPart(remaining.getIdentifier());
 665                 updateContent(paragraph);
 666                 layout(paragraph.getControl());
 667                 return paragraph;
 668         }
 669
 670         protected void paragraphMergedWithNext(Paragraph remaining, Paragraph removed) throws RepositoryException {
 671                 removed.dispose();
 672                 updateContent(remaining);
 673                 layout(remaining.getControl());
 674         }
 675
 676         // UTILITIES
 677         protected String p(Integer index) {
 678                 StringBuilder sb = new StringBuilder(6);
 679                 sb.append(DocBookNames.DBK_PARA).append('[').append(index).append(']');
 680                 return sb.toString();
 681         }
 682
 683         protected String h(Integer index) {
 684                 StringBuilder sb = new StringBuilder(5);
 685                 sb.append(DocBookNames.DBK_SECTION).append('[').append(index).append(']');
 686                 return sb.toString();
 687         }
 688
 689         // GETTERS / SETTERS
 690         public Section getMainSection() {
 691                 return mainSection;
 692         }
 693
 694         public boolean isFlat() {
 695                 return flat;
 696         }
 697
 698         public TextInterpreter getTextInterpreter() {
 699                 return textInterpreter;
 700         }
 701
 702         // KEY LISTENER
 703         @Override
 704         public void keyPressed(KeyEvent ke) {
 705                 if (log.isTraceEnabled())
 706                         log.trace(ke);
 707
 708                 if (getEdited() == null)
 709                         return;
 710                 boolean altPressed = (ke.stateMask & SWT.ALT) != 0;
 711                 boolean shiftPressed = (ke.stateMask & SWT.SHIFT) != 0;
 712                 boolean ctrlPressed = (ke.stateMask & SWT.CTRL) != 0;
 713
 714                 try {
 715                         // Common
 716                         if (ke.keyCode == SWT.ESC) {
 717                                 cancelEdit();
 718                         } else if (ke.character == '\r') {
 719                                 splitEdit();
 720                         } else if (ke.character == 'S') {
 721                                 if (ctrlPressed)
 722                                         saveEdit();
 723                         } else if (ke.character == '\t') {
 724                                 if (!shiftPressed) {
 725                                         deepen();
 726                                 } else if (shiftPressed) {
 727                                         undeepen();
 728                                 }
 729                         } else {
 730                                 if (getEdited() instanceof Paragraph) {
 731                                         Paragraph paragraph = (Paragraph) getEdited();
 732                                         Section section = paragraph.getSection();
 733                                         if (altPressed && ke.keyCode == SWT.ARROW_RIGHT) {
 734                                                 edit(section.nextSectionPart(paragraph), 0);
 735                                         } else if (altPressed && ke.keyCode == SWT.ARROW_LEFT) {
 736                                                 edit(section.previousSectionPart(paragraph), 0);
 737                                         } else if (ke.character == SWT.BS) {
 738                                                 Text text = (Text) paragraph.getControl();
 739                                                 int caretPosition = text.getCaretPosition();
 740                                                 if (caretPosition == 0) {
 741                                                         mergeWithPrevious();
 742                                                 }
 743                                         } else if (ke.character == SWT.DEL) {
 744                                                 Text text = (Text) paragraph.getControl();
 745                                                 int caretPosition = text.getCaretPosition();
 746                                                 int charcount = text.getCharCount();
 747                                                 if (caretPosition == charcount) {
 748                                                         mergeWithNext();
 749                                                 }
 750                                         }
 751                                 }
 752                         }
 753                 } catch (Exception e) {
 754                         ke.doit = false;
 755                         notifyEditionException(e);
 756                 }
 757         }
 758
 759         @Override
 760         public void keyReleased(KeyEvent e) {
 761         }
 762
 763         // MOUSE LISTENER
 764         @Override
 765         protected MouseListener createMouseListener() {
 766                 return new ML();
 767         }
 768
 769         private class ML extends MouseAdapter {
 770                 private static final long serialVersionUID = 8526890859876770905L;
 771
 772                 @Override
 773                 public void mouseDoubleClick(MouseEvent e) {
 774                         if (e.button == 1) {
 775                                 Control source = (Control) e.getSource();
 776                                 if (getCmsEditable().canEdit()) {
 777                                         if (getCmsEditable().isEditing() && !(getEdited() instanceof Img)) {
 778                                                 if (source == mainSection)
 779                                                         return;
 780                                                 EditablePart part = findDataParent(source);
 781                                                 upload(part);
 782                                         } else {
 783                                                 getCmsEditable().startEditing();
 784                                         }
 785                                 }
 786                         }
 787                 }
 788
 789                 @Override
 790                 public void mouseDown(MouseEvent e) {
 791                         if (getCmsEditable().isEditing()) {
 792                                 if (e.button == 1) {
 793                                         Control source = (Control) e.getSource();
 794                                         EditablePart composite = findDataParent(source);
 795                                         Point point = new Point(e.x, e.y);
 796                                         if (!(composite instanceof Img))
 797                                                 edit(composite, source.toDisplay(point));
 798                                 } else if (e.button == 3) {
 799                                         EditablePart composite = findDataParent((Control) e.getSource());
 800                                         if (styledTools != null)
 801                                                 styledTools.show(composite, new Point(e.x, e.y));
 802                                 }
 803                         }
 804                 }
 805
 806                 @Override
 807                 public void mouseUp(MouseEvent e) {
 808                 }
 809         }
 810
 811         // FILE UPLOAD LISTENER
 812         private class FUL implements FileUploadListener {
 813                 public void uploadProgress(FileUploadEvent event) {
 814                         // TODO Monitor upload progress
 815                 }
 816
 817                 public void uploadFailed(FileUploadEvent event) {
 818                         throw new CmsException("Upload failed " + event, event.getException());
 819                 }
 820
 821                 public void uploadFinished(FileUploadEvent event) {
 822                         for (FileDetails file : event.getFileDetails()) {
 823                                 if (log.isDebugEnabled())
 824                                         log.debug("Received: " + file.getFileName());
 825                         }
 826                         mainSection.getDisplay().syncExec(new Runnable() {
 827                                 @Override
 828                                 public void run() {
 829                                         saveEdit();
 830                                 }
 831                         });
 832                         FileUploadHandler uploadHandler = (FileUploadHandler) event.getSource();
 833                         uploadHandler.dispose();
 834                 }
 835         }
 836 }