publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/AbstractDbkViewer.java

   1 package org.argeo.docbook.ui;
   2
   3 import static org.argeo.cms.ui.util.CmsUiUtils.fillWidth;
   4 import static org.argeo.docbook.DbkType.para;
   5 import static org.argeo.docbook.DbkUtils.addDbk;
   6 import static org.argeo.docbook.DbkUtils.isDbk;
   7
   8 import java.util.ArrayList;
   9 import java.util.Iterator;
  10 import java.util.List;
  11 import java.util.Map;
  12 import java.util.Observer;
  13
  14 import javax.jcr.Item;
  15 import javax.jcr.Node;
  16 import javax.jcr.NodeIterator;
  17 import javax.jcr.RepositoryException;
  18 import javax.jcr.Session;
  19
  20 import org.apache.commons.logging.Log;
  21 import org.apache.commons.logging.LogFactory;
  22 import org.argeo.cms.text.Paragraph;
  23 import org.argeo.cms.text.TextInterpreter;
  24 import org.argeo.cms.text.TextSection;
  25 import org.argeo.cms.ui.CmsEditable;
  26 import org.argeo.cms.ui.util.CmsUiUtils;
  27 import org.argeo.cms.ui.viewers.AbstractPageViewer;
  28 import org.argeo.cms.ui.viewers.EditablePart;
  29 import org.argeo.cms.ui.viewers.NodePart;
  30 import org.argeo.cms.ui.viewers.PropertyPart;
  31 import org.argeo.cms.ui.viewers.Section;
  32 import org.argeo.cms.ui.viewers.SectionPart;
  33 import org.argeo.cms.ui.widgets.EditableText;
  34 import org.argeo.cms.ui.widgets.StyledControl;
  35 import org.argeo.docbook.DbkAttr;
  36 import org.argeo.docbook.DbkType;
  37 import org.argeo.docbook.DbkUtils;
  38 import org.argeo.jcr.Jcr;
  39 import org.argeo.jcr.JcrException;
  40 import org.argeo.jcr.JcrUtils;
  41 import org.eclipse.rap.fileupload.FileDetails;
  42 import org.eclipse.rap.fileupload.FileUploadEvent;
  43 import org.eclipse.rap.fileupload.FileUploadHandler;
  44 import org.eclipse.rap.fileupload.FileUploadListener;
  45 import org.eclipse.rap.rwt.RWT;
  46 import org.eclipse.swt.SWT;
  47 import org.eclipse.swt.events.KeyEvent;
  48 import org.eclipse.swt.events.KeyListener;
  49 import org.eclipse.swt.events.MouseAdapter;
  50 import org.eclipse.swt.events.MouseEvent;
  51 import org.eclipse.swt.events.MouseListener;
  52 import org.eclipse.swt.graphics.Point;
  53 import org.eclipse.swt.graphics.Rectangle;
  54 import org.eclipse.swt.widgets.Composite;
  55 import org.eclipse.swt.widgets.Control;
  56 import org.eclipse.swt.widgets.Label;
  57 import org.eclipse.swt.widgets.Text;
  58
  59 /** Base class for text viewers and editors. */
  60 public abstract class AbstractDbkViewer extends AbstractPageViewer implements KeyListener, Observer {
  61         private static final long serialVersionUID = -2401274679492339668L;
  62         private final static Log log = LogFactory.getLog(AbstractDbkViewer.class);
  63
  64         private final Section mainSection;
  65
  66         private TextInterpreter textInterpreter = new DbkTextInterpreter();
  67         private DbkImageManager imageManager;
  68
  69         private FileUploadListener fileUploadListener;
  70         private DbkContextMenu styledTools;
  71
  72         private final boolean flat;
  73
  74         protected AbstractDbkViewer(Section parent, int style, CmsEditable cmsEditable) {
  75                 super(parent, style, cmsEditable);
  76 //              CmsView cmsView = CmsView.getCmsView(parent);
  77 //              imageManager = cmsView.getImageManager();
  78                 flat = SWT.FLAT == (style & SWT.FLAT);
  79
  80                 if (getCmsEditable().canEdit()) {
  81                         fileUploadListener = new FUL();
  82                         styledTools = new DbkContextMenu(this, parent.getShell());
  83                 }
  84                 this.mainSection = parent;
  85                 Node baseFolder = Jcr.getParent(mainSection.getNode());
  86                 imageManager = new DbkImageManager(baseFolder);
  87                 initModelIfNeeded(mainSection.getNode());
  88                 // layout(this.mainSection);
  89         }
  90
  91         @Override
  92         public Control getControl() {
  93                 return mainSection;
  94         }
  95
  96         protected void refresh(Control control) throws RepositoryException {
  97                 if (!(control instanceof Section))
  98                         return;
  99                 Section section = (Section) control;
 100                 if (section instanceof TextSection) {
 101                         CmsUiUtils.clear(section);
 102                         Node node = section.getNode();
 103                         TextSection textSection = (TextSection) section;
 104                         if (node.hasNode(DbkType.title.get())) {
 105                                 if (section.getHeader() == null)
 106                                         section.createHeader();
 107                                 Node titleNode = node.getNode(DbkType.title.get());
 108                                 DocBookSectionTitle title = newSectionTitle(textSection, titleNode);
 109                                 title.setLayoutData(CmsUiUtils.fillWidth());
 110                                 updateContent(title);
 111                         }
 112
 113                         for (NodeIterator ni = node.getNodes(); ni.hasNext();) {
 114                                 Node child = ni.nextNode();
 115                                 SectionPart sectionPart = null;
 116                                 if (isDbk(child, DbkType.mediaobject)) {
 117                                         if (child.hasNode(DbkType.imageobject.get())) {
 118                                                 Node imageDataNode = child.getNode(DbkType.imageobject.get()).getNode(DbkType.imagedata.get());
 119                                                 sectionPart = newImg(textSection, imageDataNode);
 120                                         }
 121                                 } else if (isDbk(child, para)) {
 122                                         sectionPart = newParagraph(textSection, child);
 123                                 } else {
 124                                         sectionPart = newSectionPart(textSection, child);
 125 //                                      if (sectionPart == null)
 126 //                                              throw new IllegalArgumentException("Unsupported node " + child);
 127                                         // TODO list node types in exception
 128                                 }
 129                                 if (sectionPart != null && sectionPart instanceof Control)
 130                                         ((Control) sectionPart).setLayoutData(CmsUiUtils.fillWidth());
 131                         }
 132
 133 //                      if (!flat)
 134                         for (NodeIterator ni = section.getNode().getNodes(DbkType.section.get()); ni.hasNext();) {
 135                                 Node child = ni.nextNode();
 136                                 if (isDbk(child, DbkType.section)) {
 137                                         TextSection newSection = new TextSection(section, SWT.NONE, child);
 138                                         newSection.setLayoutData(CmsUiUtils.fillWidth());
 139                                         refresh(newSection);
 140                                 }
 141                         }
 142                 } else {
 143                         for (Section s : section.getSubSections().values())
 144                                 refresh(s);
 145                 }
 146                 // section.layout(true, true);
 147         }
 148
 149         /** To be overridden in order to provide additional SectionPart types */
 150         protected SectionPart newSectionPart(TextSection textSection, Node node) {
 151                 return null;
 152         }
 153
 154         // CRUD
 155         protected Paragraph newParagraph(TextSection parent, Node node) throws RepositoryException {
 156                 Paragraph paragraph = new Paragraph(parent, parent.getStyle(), node);
 157                 updateContent(paragraph);
 158                 paragraph.setLayoutData(fillWidth());
 159                 paragraph.setMouseListener(getMouseListener());
 160                 paragraph.setFocusListener(getFocusListener());
 161                 return paragraph;
 162         }
 163
 164         protected DbkImg newImg(TextSection parent, Node node) {
 165                 try {
 166                         DbkImg img = new DbkImg(parent, parent.getStyle(), node, imageManager);
 167                         img.setLayoutData(CmsUiUtils.grabWidth(SWT.CENTER, SWT.DEFAULT));
 168                         updateContent(img);
 169                         img.setMouseListener(getMouseListener());
 170                         img.setFocusListener(getFocusListener());
 171                         return img;
 172                 } catch (RepositoryException e) {
 173                         throw new JcrException("Cannot add new image " + node, e);
 174                 }
 175         }
 176
 177         protected DocBookSectionTitle newSectionTitle(TextSection parent, Node titleNode) throws RepositoryException {
 178                 int style = parent.getStyle();
 179                 Composite titleParent = newSectionHeader(parent);
 180                 if (parent.isTitleReadOnly())
 181                         style = style | SWT.READ_ONLY;
 182                 DocBookSectionTitle title = new DocBookSectionTitle(titleParent, style, titleNode);
 183                 updateContent(title);
 184                 title.setMouseListener(getMouseListener());
 185                 title.setFocusListener(getFocusListener());
 186                 return title;
 187         }
 188
 189         /**
 190          * To be overridden in order to provide additional processing at the section
 191          * level.
 192          *
 193          * @return the parent to use for the {@link DocBookSectionTitle}, by default
 194          *         {@link Section#getHeader()}
 195          */
 196         protected Composite newSectionHeader(TextSection section) {
 197                 return section.getHeader();
 198         }
 199
 200         protected DocBookSectionTitle prepareSectionTitle(Section newSection, String titleText) throws RepositoryException {
 201                 Node sectionNode = newSection.getNode();
 202                 Node titleNode = DbkUtils.getOrAddDbk(sectionNode, DbkType.title);
 203                 getTextInterpreter().write(titleNode, titleText);
 204                 if (newSection.getHeader() == null)
 205                         newSection.createHeader();
 206                 DocBookSectionTitle sectionTitle = newSectionTitle((TextSection) newSection, sectionNode);
 207                 return sectionTitle;
 208         }
 209
 210         protected void updateContent(EditablePart part) throws RepositoryException {
 211                 if (part instanceof SectionPart) {
 212                         SectionPart sectionPart = (SectionPart) part;
 213                         Node partNode = sectionPart.getNode();
 214
 215                         if (part instanceof StyledControl && (sectionPart.getSection() instanceof TextSection)) {
 216                                 TextSection section = (TextSection) sectionPart.getSection();
 217                                 StyledControl styledControl = (StyledControl) part;
 218                                 if (isDbk(partNode, para)) {
 219                                         String style = partNode.hasProperty(DbkAttr.role.name())
 220                                                         ? partNode.getProperty(DbkAttr.role.name()).getString()
 221                                                         : section.getDefaultTextStyle();
 222                                         styledControl.setStyle(style);
 223                                 }
 224                         }
 225                         // use control AFTER setting style, since it may have been reset
 226
 227                         if (part instanceof EditableText) {
 228                                 EditableText paragraph = (EditableText) part;
 229                                 if (paragraph == getEdited())
 230                                         paragraph.setText(textInterpreter.raw(partNode));
 231                                 else
 232                                         paragraph.setText(textInterpreter.readSimpleHtml(partNode));
 233                         } else if (part instanceof DbkImg) {
 234                                 DbkImg editableImage = (DbkImg) part;
 235                                 imageManager.load(partNode, part.getControl(), editableImage.getPreferredImageSize());
 236                         }
 237                 } else if (part instanceof DocBookSectionTitle) {
 238                         DocBookSectionTitle title = (DocBookSectionTitle) part;
 239                         title.setStyle(title.getSection().getTitleStyle());
 240                         // use control AFTER setting style
 241                         if (title == getEdited())
 242                                 title.setText(textInterpreter.read(title.getNode()));
 243                         else
 244                                 title.setText(textInterpreter.raw(title.getNode()));
 245                 }
 246         }
 247
 248         // OVERRIDDEN FROM PARENT VIEWER
 249         @Override
 250         protected void save(EditablePart part) throws RepositoryException {
 251                 if (part instanceof EditableText) {
 252                         EditableText et = (EditableText) part;
 253                         if (!et.getEditable())
 254                                 return;
 255                         String text = ((Text) et.getControl()).getText();
 256
 257                         // String[] lines = text.split("[\r\n]+");
 258                         String[] lines = { text };
 259                         assert lines.length != 0;
 260                         saveLine(part, lines[0]);
 261                         if (lines.length > 1) {
 262                                 ArrayList<Control> toLayout = new ArrayList<Control>();
 263                                 if (part instanceof Paragraph) {
 264                                         Paragraph currentParagraph = (Paragraph) et;
 265                                         Section section = currentParagraph.getSection();
 266                                         Node sectionNode = section.getNode();
 267                                         Node currentParagraphN = currentParagraph.getNode();
 268                                         for (int i = 1; i < lines.length; i++) {
 269                                                 Node newNode = addDbk(sectionNode, para);
 270                                                 // newNode.addMixin(CmsTypes.CMS_STYLED);
 271                                                 saveLine(newNode, lines[i]);
 272                                                 // second node was create as last, if it is not the next
 273                                                 // one, it
 274                                                 // means there are some in between and we can take the
 275                                                 // one at
 276                                                 // index+1 for the re-order
 277                                                 if (newNode.getIndex() > currentParagraphN.getIndex() + 1) {
 278                                                         sectionNode.orderBefore(p(newNode.getIndex()), p(currentParagraphN.getIndex() + 1));
 279                                                 }
 280                                                 Paragraph newParagraph = newParagraph((TextSection) section, newNode);
 281                                                 newParagraph.moveBelow(currentParagraph);
 282                                                 toLayout.add(newParagraph);
 283
 284                                                 currentParagraph = newParagraph;
 285                                                 currentParagraphN = newNode;
 286                                         }
 287                                 }
 288                                 // TODO or rather return the created paragraphs?
 289                                 layout(toLayout.toArray(new Control[toLayout.size()]));
 290                         }
 291                         persistChanges(et.getNode());
 292                 }
 293         }
 294
 295         protected void saveLine(EditablePart part, String line) {
 296                 if (part instanceof NodePart) {
 297                         saveLine(((NodePart) part).getNode(), line);
 298                 } else if (part instanceof PropertyPart) {
 299                         saveLine(((PropertyPart) part).getProperty(), line);
 300                 } else {
 301                         throw new IllegalArgumentException("Unsupported part " + part);
 302                 }
 303         }
 304
 305         protected void saveLine(Item item, String line) {
 306                 line = line.trim();
 307                 textInterpreter.write(item, line);
 308         }
 309
 310         @Override
 311         protected void prepare(EditablePart part, Object caretPosition) {
 312                 Control control = part.getControl();
 313                 if (control instanceof Text) {
 314                         Text text = (Text) control;
 315                         if (caretPosition != null)
 316                                 if (caretPosition instanceof Integer)
 317                                         text.setSelection((Integer) caretPosition);
 318                                 else if (caretPosition instanceof Point) {
 319 //                                      layout(text);
 320 //                                      // TODO find a way to position the caret at the right place
 321 //                                      Point clickLocation = (Point) caretPosition;
 322 //                                      Point withinText = text.toControl(clickLocation);
 323 //                                      Rectangle bounds = text.getBounds();
 324 //                                      int width = bounds.width;
 325 //                                      int height = bounds.height;
 326 //                                      int textLength = text.getText().length();
 327 //                                      float area = width * height;
 328 //                                      float proportion = withinText.y * width + withinText.x;
 329 //                                      int pos = (int) (textLength * (proportion / area));
 330 //                                      text.setSelection(pos);
 331                                 }
 332                         text.setData(RWT.ACTIVE_KEYS, new String[] { "BACKSPACE", "ESC", "TAB", "SHIFT+TAB", "ALT+ARROW_LEFT",
 333                                         "ALT+ARROW_RIGHT", "ALT+ARROW_UP", "ALT+ARROW_DOWN", "RETURN", "CTRL+RETURN", "ENTER", "DELETE" });
 334                         text.setData(RWT.CANCEL_KEYS, new String[] { "RETURN", "ALT+ARROW_LEFT", "ALT+ARROW_RIGHT" });
 335                         text.addKeyListener(this);
 336                 } else if (part instanceof DbkImg) {
 337                         ((DbkImg) part).setFileUploadListener(fileUploadListener);
 338                 }
 339         }
 340
 341         // REQUIRED BY CONTEXT MENU
 342         void setParagraphStyle(Paragraph paragraph, String style) {
 343                 try {
 344                         Node paragraphNode = paragraph.getNode();
 345                         if (style == null) {// default
 346                                 if (paragraphNode.hasProperty(DbkAttr.role.name()))
 347                                         paragraphNode.getProperty(DbkAttr.role.name()).remove();
 348                         } else {
 349                                 paragraphNode.setProperty(DbkAttr.role.name(), style);
 350                         }
 351                         persistChanges(paragraphNode);
 352                         updateContent(paragraph);
 353                         layoutPage();
 354                 } catch (RepositoryException e1) {
 355                         throw new JcrException("Cannot set style " + style + " on " + paragraph, e1);
 356                 }
 357         }
 358
 359         void insertPart(Section section, Node node) {
 360                 try {
 361                         refresh(section);
 362                         layoutPage();
 363                 } catch (RepositoryException e) {
 364                         throw new JcrException("Cannot insert part " + node + " in section " + section.getNode(), e);
 365                 }
 366         }
 367
 368         void deletePart(SectionPart sectionPart) {
 369                 try {
 370                         Node node = sectionPart.getNode();
 371                         Session session = node.getSession();
 372                         if (sectionPart instanceof DbkImg) {
 373                                 // FIXME make it more robust
 374                                 node = node.getParent().getParent();
 375                                 if (!isDbk(node, DbkType.mediaobject))
 376                                         throw new IllegalArgumentException("Node " + node + " is not a media object.");
 377                         }
 378                         node.remove();
 379                         session.save();
 380                         if (sectionPart instanceof Control)
 381                                 ((Control) sectionPart).dispose();
 382                         layoutPage();
 383                 } catch (RepositoryException e1) {
 384                         throw new JcrException("Cannot delete " + sectionPart, e1);
 385                 }
 386         }
 387
 388         void deleteSection(Section section) {
 389                 try {
 390                         Node node = section.getNode();
 391                         Session session = node.getSession();
 392                         node.remove();
 393                         session.save();
 394                         section.dispose();
 395                         layoutPage();
 396                 } catch (RepositoryException e1) {
 397                         throw new JcrException("Cannot delete " + section, e1);
 398                 }
 399         }
 400
 401         String getRawParagraphText(Paragraph paragraph) {
 402                 return textInterpreter.raw(paragraph.getNode());
 403         }
 404
 405         // COMMANDS
 406         protected void splitEdit() {
 407                 checkEdited();
 408                 try {
 409                         if (getEdited() instanceof Paragraph) {
 410                                 Paragraph paragraph = (Paragraph) getEdited();
 411                                 Text text = (Text) paragraph.getControl();
 412                                 int caretPosition = text.getCaretPosition();
 413                                 String txt = text.getText();
 414                                 String first = txt.substring(0, caretPosition);
 415                                 String second = txt.substring(caretPosition);
 416                                 Node firstNode = paragraph.getNode();
 417                                 Node sectionNode = firstNode.getParent();
 418
 419                                 // FIXME set content the DocBook way
 420                                 // firstNode.setProperty(CMS_CONTENT, first);
 421                                 Node secondNode = addDbk(sectionNode, para);
 422                                 // secondNode.addMixin(CmsTypes.CMS_STYLED);
 423
 424                                 // second node was create as last, if it is not the next one, it
 425                                 // means there are some in between and we can take the one at
 426                                 // index+1 for the re-order
 427                                 if (secondNode.getIndex() > firstNode.getIndex() + 1) {
 428                                         sectionNode.orderBefore(p(secondNode.getIndex()), p(firstNode.getIndex() + 1));
 429                                 }
 430
 431                                 // if we die in between, at least we still have the whole text
 432                                 // in the first node
 433                                 try {
 434                                         textInterpreter.write(secondNode, second);
 435                                         textInterpreter.write(firstNode, first);
 436                                 } catch (Exception e) {
 437                                         // so that no additional nodes are created:
 438                                         JcrUtils.discardUnderlyingSessionQuietly(firstNode);
 439                                         throw e;
 440                                 }
 441
 442                                 persistChanges(firstNode);
 443
 444                                 Paragraph secondParagraph = paragraphSplitted(paragraph, secondNode);
 445                                 edit(secondParagraph, 0);
 446                         } else if (getEdited() instanceof DocBookSectionTitle) {
 447                                 DocBookSectionTitle sectionTitle = (DocBookSectionTitle) getEdited();
 448                                 Text text = (Text) sectionTitle.getControl();
 449                                 String txt = text.getText();
 450                                 int caretPosition = text.getCaretPosition();
 451                                 Section section = sectionTitle.getSection();
 452                                 Node sectionNode = section.getNode();
 453                                 Node paragraphNode = addDbk(sectionNode, para);
 454                                 // paragraphNode.addMixin(CmsTypes.CMS_STYLED);
 455
 456                                 textInterpreter.write(paragraphNode, txt.substring(caretPosition));
 457                                 textInterpreter.write(sectionNode.getNode(DbkType.title.get()), txt.substring(0, caretPosition));
 458                                 sectionNode.orderBefore(p(paragraphNode.getIndex()), p(1));
 459                                 persistChanges(sectionNode);
 460
 461                                 Paragraph paragraph = sectionTitleSplitted(sectionTitle, paragraphNode);
 462                                 // section.layout();
 463                                 edit(paragraph, 0);
 464                         }
 465                 } catch (RepositoryException e) {
 466                         throw new JcrException("Cannot split " + getEdited(), e);
 467                 }
 468         }
 469
 470         protected void mergeWithPrevious() {
 471                 checkEdited();
 472                 try {
 473                         Paragraph paragraph = (Paragraph) getEdited();
 474                         Text text = (Text) paragraph.getControl();
 475                         String txt = text.getText();
 476                         Node paragraphNode = paragraph.getNode();
 477                         if (paragraphNode.getIndex() == 1)
 478                                 return;// do nothing
 479                         Node sectionNode = paragraphNode.getParent();
 480                         Node previousNode = sectionNode.getNode(p(paragraphNode.getIndex() - 1));
 481                         String previousTxt = textInterpreter.read(previousNode);
 482                         textInterpreter.write(previousNode, previousTxt + txt);
 483                         paragraphNode.remove();
 484                         persistChanges(sectionNode);
 485
 486                         Paragraph previousParagraph = paragraphMergedWithPrevious(paragraph, previousNode);
 487                         edit(previousParagraph, previousTxt.length());
 488                 } catch (RepositoryException e) {
 489                         throw new JcrException("Cannot stop editing", e);
 490                 }
 491         }
 492
 493         protected void mergeWithNext() {
 494                 checkEdited();
 495                 try {
 496                         Paragraph paragraph = (Paragraph) getEdited();
 497                         Text text = (Text) paragraph.getControl();
 498                         String txt = text.getText();
 499                         Node paragraphNode = paragraph.getNode();
 500                         Node sectionNode = paragraphNode.getParent();
 501                         NodeIterator paragraphNodes = sectionNode.getNodes(DbkType.para.get());
 502                         long size = paragraphNodes.getSize();
 503                         if (paragraphNode.getIndex() == size)
 504                                 return;// do nothing
 505                         Node nextNode = sectionNode.getNode(p(paragraphNode.getIndex() + 1));
 506                         String nextTxt = textInterpreter.read(nextNode);
 507                         textInterpreter.write(paragraphNode, txt + nextTxt);
 508
 509                         Section section = paragraph.getSection();
 510                         Paragraph removed = (Paragraph) section.getSectionPart(nextNode.getIdentifier());
 511
 512                         nextNode.remove();
 513                         persistChanges(sectionNode);
 514
 515                         paragraphMergedWithNext(paragraph, removed);
 516                         edit(paragraph, txt.length());
 517                 } catch (RepositoryException e) {
 518                         throw new JcrException("Cannot stop editing", e);
 519                 }
 520         }
 521
 522         protected synchronized void upload(EditablePart part) {
 523                 try {
 524                         if (part instanceof SectionPart) {
 525                                 SectionPart sectionPart = (SectionPart) part;
 526                                 Node partNode = sectionPart.getNode();
 527                                 int partIndex = partNode.getIndex();
 528                                 Section section = sectionPart.getSection();
 529                                 Node sectionNode = section.getNode();
 530
 531                                 if (part instanceof Paragraph) {
 532                                         // FIXME adapt to DocBook
 533 //                                      Node newNode = sectionNode.addNode(DocBookNames.DBK_MEDIAOBJECT, NodeType.NT_FILE);
 534 //                                      newNode.addNode(Node.JCR_CONTENT, NodeType.NT_RESOURCE);
 535 //                                      JcrUtils.copyBytesAsFile(sectionNode, p(newNode.getIndex()), new byte[0]);
 536 //                                      if (partIndex < newNode.getIndex() - 1) {
 537 //                                              // was not last
 538 //                                              sectionNode.orderBefore(p(newNode.getIndex()), p(partIndex - 1));
 539 //                                      }
 540 //                                      // sectionNode.orderBefore(p(partNode.getIndex()),
 541 //                                      // p(newNode.getIndex()));
 542 //                                      persistChanges(sectionNode);
 543 //                                      DbkImg img = newImg((TextSection) section, newNode);
 544 //                                      edit(img, null);
 545 //                                      layout(img.getControl());
 546                                 } else if (part instanceof DbkImg) {
 547                                         if (getEdited() == part)
 548                                                 return;
 549                                         edit(part, null);
 550                                         layoutPage();
 551                                 }
 552                         }
 553                 } catch (RepositoryException e) {
 554                         throw new JcrException("Cannot upload", e);
 555                 }
 556         }
 557
 558         protected void deepen() {
 559                 if (flat)
 560                         return;
 561                 checkEdited();
 562                 try {
 563                         if (getEdited() instanceof Paragraph) {
 564                                 Paragraph paragraph = (Paragraph) getEdited();
 565                                 Text text = (Text) paragraph.getControl();
 566                                 String txt = text.getText();
 567                                 Node paragraphNode = paragraph.getNode();
 568                                 Section section = paragraph.getSection();
 569                                 Node sectionNode = section.getNode();
 570                                 // main title
 571                                 if (section == mainSection && section instanceof TextSection && paragraphNode.getIndex() == 1
 572                                                 && !sectionNode.hasNode(DbkType.title.get())) {
 573                                         DocBookSectionTitle sectionTitle = prepareSectionTitle(section, txt);
 574                                         edit(sectionTitle, 0);
 575                                         return;
 576                                 }
 577                                 Node newSectionNode = addDbk(sectionNode, DbkType.section);
 578                                 // newSectionNode.addMixin(NodeType.MIX_TITLE);
 579                                 sectionNode.orderBefore(h(newSectionNode.getIndex()), h(1));
 580
 581                                 int paragraphIndex = paragraphNode.getIndex();
 582                                 String sectionPath = sectionNode.getPath();
 583                                 String newSectionPath = newSectionNode.getPath();
 584                                 while (sectionNode.hasNode(p(paragraphIndex + 1))) {
 585                                         Node parag = sectionNode.getNode(p(paragraphIndex + 1));
 586                                         sectionNode.getSession().move(sectionPath + '/' + p(paragraphIndex + 1),
 587                                                         newSectionPath + '/' + DbkType.para.get());
 588                                         SectionPart sp = section.getSectionPart(parag.getIdentifier());
 589                                         if (sp instanceof Control)
 590                                                 ((Control) sp).dispose();
 591                                 }
 592                                 // create title
 593                                 Node titleNode = DbkUtils.addDbk(newSectionNode, DbkType.title);
 594                                 // newSectionNode.addNode(DocBookType.TITLE, DocBookType.TITLE);
 595                                 getTextInterpreter().write(titleNode, txt);
 596
 597                                 TextSection newSection = new TextSection(section, section.getStyle(), newSectionNode);
 598                                 newSection.setLayoutData(CmsUiUtils.fillWidth());
 599                                 newSection.moveBelow(paragraph);
 600
 601                                 // dispose
 602                                 paragraphNode.remove();
 603                                 paragraph.dispose();
 604
 605                                 refresh(newSection);
 606                                 newSection.getParent().layout();
 607                                 layout(newSection);
 608                                 persistChanges(sectionNode);
 609                         } else if (getEdited() instanceof DocBookSectionTitle) {
 610                                 DocBookSectionTitle sectionTitle = (DocBookSectionTitle) getEdited();
 611                                 Section section = sectionTitle.getSection();
 612                                 Section parentSection = section.getParentSection();
 613                                 if (parentSection == null)
 614                                         return;// cannot deepen main section
 615                                 Node sectionN = section.getNode();
 616                                 Node parentSectionN = parentSection.getNode();
 617                                 if (sectionN.getIndex() == 1)
 618                                         return;// cannot deepen first section
 619                                 Node previousSectionN = parentSectionN.getNode(h(sectionN.getIndex() - 1));
 620                                 NodeIterator subSections = previousSectionN.getNodes(DbkType.section.get());
 621                                 int subsectionsCount = (int) subSections.getSize();
 622                                 previousSectionN.getSession().move(sectionN.getPath(),
 623                                                 previousSectionN.getPath() + "/" + h(subsectionsCount + 1));
 624                                 section.dispose();
 625                                 TextSection newSection = new TextSection(section, section.getStyle(), sectionN);
 626                                 refresh(newSection);
 627                                 persistChanges(previousSectionN);
 628                         }
 629                 } catch (RepositoryException e) {
 630                         throw new JcrException("Cannot deepen " + getEdited(), e);
 631                 }
 632         }
 633
 634         protected void undeepen() {
 635                 if (flat)
 636                         return;
 637                 checkEdited();
 638                 try {
 639                         if (getEdited() instanceof Paragraph) {
 640                                 upload(getEdited());
 641                         } else if (getEdited() instanceof DocBookSectionTitle) {
 642                                 DocBookSectionTitle sectionTitle = (DocBookSectionTitle) getEdited();
 643                                 Section section = sectionTitle.getSection();
 644                                 Node sectionNode = section.getNode();
 645                                 Section parentSection = section.getParentSection();
 646                                 if (parentSection == null)
 647                                         return;// cannot undeepen main section
 648
 649                                 // choose in which section to merge
 650                                 Section mergedSection;
 651                                 if (sectionNode.getIndex() == 1)
 652                                         mergedSection = section.getParentSection();
 653                                 else {
 654                                         Map<String, Section> parentSubsections = parentSection.getSubSections();
 655                                         ArrayList<Section> lst = new ArrayList<Section>(parentSubsections.values());
 656                                         mergedSection = lst.get(sectionNode.getIndex() - 1);
 657                                 }
 658                                 Node mergedNode = mergedSection.getNode();
 659                                 boolean mergedHasSubSections = mergedNode.hasNode(DbkType.section.get());
 660
 661                                 // title as paragraph
 662                                 Node newParagrapheNode = addDbk(mergedNode, para);
 663                                 // newParagrapheNode.addMixin(CmsTypes.CMS_STYLED);
 664                                 if (mergedHasSubSections)
 665                                         mergedNode.orderBefore(p(newParagrapheNode.getIndex()), h(1));
 666                                 String txt = getTextInterpreter().read(sectionNode.getNode(DbkType.title.get()));
 667                                 getTextInterpreter().write(newParagrapheNode, txt);
 668                                 // move
 669                                 NodeIterator paragraphs = sectionNode.getNodes(para.get());
 670                                 while (paragraphs.hasNext()) {
 671                                         Node p = paragraphs.nextNode();
 672                                         SectionPart sp = section.getSectionPart(p.getIdentifier());
 673                                         if (sp instanceof Control)
 674                                                 ((Control) sp).dispose();
 675                                         mergedNode.getSession().move(p.getPath(), mergedNode.getPath() + '/' + para.get());
 676                                         if (mergedHasSubSections)
 677                                                 mergedNode.orderBefore(p(p.getIndex()), h(1));
 678                                 }
 679
 680                                 Iterator<Section> subsections = section.getSubSections().values().iterator();
 681                                 // NodeIterator sections = sectionNode.getNodes(CMS_H);
 682                                 while (subsections.hasNext()) {
 683                                         Section subsection = subsections.next();
 684                                         Node s = subsection.getNode();
 685                                         mergedNode.getSession().move(s.getPath(), mergedNode.getPath() + '/' + DbkType.section.get());
 686                                         subsection.dispose();
 687                                 }
 688
 689                                 // remove section
 690                                 section.getNode().remove();
 691                                 section.dispose();
 692
 693                                 refresh(mergedSection);
 694                                 mergedSection.getParent().layout();
 695                                 layout(mergedSection);
 696                                 persistChanges(mergedNode);
 697                         }
 698                 } catch (RepositoryException e) {
 699                         throw new JcrException("Cannot undeepen " + getEdited(), e);
 700                 }
 701         }
 702
 703         // UI CHANGES
 704         protected Paragraph paragraphSplitted(Paragraph paragraph, Node newNode) throws RepositoryException {
 705                 Section section = paragraph.getSection();
 706                 updateContent(paragraph);
 707                 Paragraph newParagraph = newParagraph((TextSection) section, newNode);
 708                 newParagraph.setLayoutData(CmsUiUtils.fillWidth());
 709                 newParagraph.moveBelow(paragraph);
 710                 layout(paragraph.getControl(), newParagraph.getControl());
 711                 return newParagraph;
 712         }
 713
 714         protected Paragraph sectionTitleSplitted(DocBookSectionTitle sectionTitle, Node newNode)
 715                         throws RepositoryException {
 716                 updateContent(sectionTitle);
 717                 Paragraph newParagraph = newParagraph(sectionTitle.getSection(), newNode);
 718                 // we assume beforeFirst is not null since there was a sectionTitle
 719                 newParagraph.moveBelow(sectionTitle.getSection().getHeader());
 720                 layout(sectionTitle.getControl(), newParagraph.getControl());
 721                 return newParagraph;
 722         }
 723
 724         protected Paragraph paragraphMergedWithPrevious(Paragraph removed, Node remaining) throws RepositoryException {
 725                 Section section = removed.getSection();
 726                 removed.dispose();
 727
 728                 Paragraph paragraph = (Paragraph) section.getSectionPart(remaining.getIdentifier());
 729                 updateContent(paragraph);
 730                 layout(paragraph.getControl());
 731                 return paragraph;
 732         }
 733
 734         protected void paragraphMergedWithNext(Paragraph remaining, Paragraph removed) throws RepositoryException {
 735                 removed.dispose();
 736                 updateContent(remaining);
 737                 layout(remaining.getControl());
 738         }
 739
 740         // UTILITIES
 741         protected String p(Integer index) {
 742                 StringBuilder sb = new StringBuilder(6);
 743                 sb.append(para.get()).append('[').append(index).append(']');
 744                 return sb.toString();
 745         }
 746
 747         protected String h(Integer index) {
 748                 StringBuilder sb = new StringBuilder(5);
 749                 sb.append(DbkType.section.get()).append('[').append(index).append(']');
 750                 return sb.toString();
 751         }
 752
 753         // GETTERS / SETTERS
 754         public Section getMainSection() {
 755                 return mainSection;
 756         }
 757
 758         public boolean isFlat() {
 759                 return flat;
 760         }
 761
 762         public TextInterpreter getTextInterpreter() {
 763                 return textInterpreter;
 764         }
 765
 766         // KEY LISTENER
 767         @Override
 768         public void keyPressed(KeyEvent ke) {
 769                 if (log.isTraceEnabled())
 770                         log.trace(ke);
 771
 772                 if (getEdited() == null)
 773                         return;
 774                 boolean altPressed = (ke.stateMask & SWT.ALT) != 0;
 775                 boolean shiftPressed = (ke.stateMask & SWT.SHIFT) != 0;
 776                 boolean ctrlPressed = (ke.stateMask & SWT.CTRL) != 0;
 777
 778                 try {
 779                         // Common
 780                         if (ke.keyCode == SWT.ESC) {
 781 //                              cancelEdit();
 782                                 saveEdit();
 783                         } else if (ke.character == '\r') {
 784                                 if (!shiftPressed)
 785                                         splitEdit();
 786                         } else if (ke.character == 'z') {
 787                                 if (ctrlPressed)
 788                                         cancelEdit();
 789                         } else if (ke.character == 'S') {
 790                                 if (ctrlPressed)
 791                                         saveEdit();
 792                         } else if (ke.character == '\t') {
 793                                 if (!shiftPressed) {
 794                                         deepen();
 795                                 } else if (shiftPressed) {
 796                                         undeepen();
 797                                 }
 798                         } else {
 799                                 if (getEdited() instanceof Paragraph) {
 800                                         Paragraph paragraph = (Paragraph) getEdited();
 801                                         Section section = paragraph.getSection();
 802                                         if (altPressed && ke.keyCode == SWT.ARROW_RIGHT) {
 803                                                 edit(section.nextSectionPart(paragraph), 0);
 804                                         } else if (altPressed && ke.keyCode == SWT.ARROW_LEFT) {
 805                                                 edit(section.previousSectionPart(paragraph), 0);
 806                                         } else if (ke.character == SWT.BS) {
 807                                                 Text text = (Text) paragraph.getControl();
 808                                                 int caretPosition = text.getCaretPosition();
 809                                                 if (caretPosition == 0) {
 810                                                         mergeWithPrevious();
 811                                                 }
 812                                         } else if (ke.character == SWT.DEL) {
 813                                                 Text text = (Text) paragraph.getControl();
 814                                                 int caretPosition = text.getCaretPosition();
 815                                                 int charcount = text.getCharCount();
 816                                                 if (caretPosition == charcount) {
 817                                                         mergeWithNext();
 818                                                 }
 819                                         }
 820                                 }
 821                         }
 822                 } catch (Exception e) {
 823                         ke.doit = false;
 824                         notifyEditionException(e);
 825                 }
 826         }
 827
 828         @Override
 829         public void keyReleased(KeyEvent e) {
 830         }
 831
 832         // MOUSE LISTENER
 833         @Override
 834         protected MouseListener createMouseListener() {
 835                 return new ML();
 836         }
 837
 838         private class ML extends MouseAdapter {
 839                 private static final long serialVersionUID = 8526890859876770905L;
 840
 841                 @Override
 842                 public void mouseDoubleClick(MouseEvent e) {
 843                         if (e.button == 1) {
 844                                 Control source = (Control) e.getSource();
 845                                 EditablePart composite = findDataParent(source);
 846                                 Point point = new Point(e.x, e.y);
 847                                 if (composite instanceof DbkImg) {
 848                                         if (getCmsEditable().canEdit()) {
 849                                                 if (getCmsEditable().isEditing() && !(getEdited() instanceof DbkImg)) {
 850                                                         if (source == mainSection)
 851                                                                 return;
 852                                                         EditablePart part = findDataParent(source);
 853                                                         upload(part);
 854                                                 } else {
 855                                                         getCmsEditable().startEditing();
 856                                                 }
 857                                         }
 858                                 } else if (source instanceof Label) {
 859                                         Label lbl = (Label) source;
 860                                         Rectangle bounds = lbl.getBounds();
 861                                         float width = bounds.width;
 862                                         float height = bounds.height;
 863                                         float textLength = lbl.getText().length();
 864                                         float area = width * height;
 865                                         float charArea = area/textLength;
 866                                         float lines = textLength/width;
 867                                         float proportion = point.y * width + point.x;
 868                                         int pos = (int) (textLength * (proportion / area));
 869                                         // TODO refine it
 870                                         edit(composite, (Integer) pos);
 871                                 } else {
 872                                         edit(composite, source.toDisplay(point));
 873                                 }
 874                         }
 875                 }
 876
 877                 @Override
 878                 public void mouseDown(MouseEvent e) {
 879                         if (getCmsEditable().isEditing()) {
 880                                 if (e.button == 3) {
 881                                         EditablePart composite = findDataParent((Control) e.getSource());
 882                                         if (styledTools != null) {
 883                                                 List<String> styles = getAvailableStyles(composite);
 884                                                 styledTools.show(composite, new Point(e.x, e.y), styles);
 885                                         }
 886                                 }
 887                         }
 888                 }
 889
 890                 @Override
 891                 public void mouseUp(MouseEvent e) {
 892                 }
 893         }
 894
 895         protected List<String> getAvailableStyles(EditablePart editablePart) {
 896                 return new ArrayList<>();
 897         }
 898
 899         // FILE UPLOAD LISTENER
 900         private class FUL implements FileUploadListener {
 901                 public void uploadProgress(FileUploadEvent event) {
 902                         // TODO Monitor upload progress
 903                 }
 904
 905                 public void uploadFailed(FileUploadEvent event) {
 906                         throw new RuntimeException("Upload failed " + event, event.getException());
 907                 }
 908
 909                 public void uploadFinished(FileUploadEvent event) {
 910                         for (FileDetails file : event.getFileDetails()) {
 911                                 if (log.isDebugEnabled())
 912                                         log.debug("Received: " + file.getFileName());
 913                         }
 914                         mainSection.getDisplay().syncExec(new Runnable() {
 915                                 @Override
 916                                 public void run() {
 917                                         saveEdit();
 918                                 }
 919                         });
 920                         FileUploadHandler uploadHandler = (FileUploadHandler) event.getSource();
 921                         uploadHandler.dispose();
 922                 }
 923         }
 924 }