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.ui.CmsEditable;
  23 import org.argeo.cms.ui.util.CmsUiUtils;
  24 import org.argeo.cms.ui.viewers.AbstractPageViewer;
  25 import org.argeo.cms.ui.viewers.EditablePart;
  26 import org.argeo.cms.ui.viewers.NodePart;
  27 import org.argeo.cms.ui.viewers.PropertyPart;
  28 import org.argeo.cms.ui.viewers.Section;
  29 import org.argeo.cms.ui.viewers.SectionPart;
  30 import org.argeo.cms.ui.widgets.EditableText;
  31 import org.argeo.cms.ui.widgets.StyledControl;
  32 import org.argeo.docbook.DbkAttr;
  33 import org.argeo.docbook.DbkType;
  34 import org.argeo.docbook.DbkUtils;
  35 import org.argeo.jcr.Jcr;
  36 import org.argeo.jcr.JcrException;
  37 import org.argeo.jcr.JcrUtils;
  38 import org.eclipse.rap.fileupload.FileDetails;
  39 import org.eclipse.rap.fileupload.FileUploadEvent;
  40 import org.eclipse.rap.fileupload.FileUploadHandler;
  41 import org.eclipse.rap.fileupload.FileUploadListener;
  42 import org.eclipse.rap.rwt.RWT;
  43 import org.eclipse.swt.SWT;
  44 import org.eclipse.swt.events.KeyEvent;
  45 import org.eclipse.swt.events.KeyListener;
  46 import org.eclipse.swt.events.MouseAdapter;
  47 import org.eclipse.swt.events.MouseEvent;
  48 import org.eclipse.swt.events.MouseListener;
  49 import org.eclipse.swt.graphics.Point;
  50 import org.eclipse.swt.graphics.Rectangle;
  51 import org.eclipse.swt.layout.GridData;
  52 import org.eclipse.swt.widgets.Composite;
  53 import org.eclipse.swt.widgets.Control;
  54 import org.eclipse.swt.widgets.Label;
  55 import org.eclipse.swt.widgets.Text;
  56
  57 /** Base class for text viewers and editors. */
  58 public abstract class AbstractDbkViewer extends AbstractPageViewer implements KeyListener, Observer {
  59         private static final long serialVersionUID = -2401274679492339668L;
  60         private final static Log log = LogFactory.getLog(AbstractDbkViewer.class);
  61
  62         private final Section mainSection;
  63
  64         private TextInterpreter textInterpreter = new DbkTextInterpreter();
  65         private DbkImageManager imageManager;
  66
  67         private FileUploadListener fileUploadListener;
  68         private DbkContextMenu styledTools;
  69
  70         private final boolean flat;
  71
  72         private boolean showMainTitle = true;
  73
  74         private Integer maxMediaWidth = null;
  75         private String defaultSectionStyle;
  76
  77         protected AbstractDbkViewer(Section parent, int style, CmsEditable cmsEditable) {
  78                 super(parent, style, cmsEditable);
  79 //              CmsView cmsView = CmsView.getCmsView(parent);
  80 //              imageManager = cmsView.getImageManager();
  81                 flat = SWT.FLAT == (style & SWT.FLAT);
  82
  83                 if (getCmsEditable().canEdit()) {
  84                         fileUploadListener = new FUL();
  85                         styledTools = new DbkContextMenu(this, parent.getShell());
  86                 }
  87                 this.mainSection = parent;
  88                 Node baseFolder = Jcr.getParent(mainSection.getNode());
  89                 imageManager = new DbkImageManager(baseFolder);
  90                 initModelIfNeeded(mainSection.getNode());
  91                 // layout(this.mainSection);
  92         }
  93
  94         @Override
  95         public Control getControl() {
  96                 return mainSection;
  97         }
  98
  99         protected void refresh(Control control) throws RepositoryException {
 100                 if (!(control instanceof Section))
 101                         return;
 102                 long begin = System.currentTimeMillis();
 103                 Section section = (Section) control;
 104                 if (section instanceof TextSection) {
 105                         CmsUiUtils.clear(section);
 106                         Node node = section.getNode();
 107                         TextSection textSection = (TextSection) section;
 108                         String style = node.hasProperty(DbkAttr.role.name()) ? node.getProperty(DbkAttr.role.name()).getString()
 109                                         : getDefaultSectionStyle();
 110                         if (style != null)
 111                                 CmsUiUtils.style(textSection, style);
 112
 113                         // Title
 114                         Node titleNode = null;
 115                         // We give priority to ./title vs ./info/title, like the DocBook XSL
 116                         if (node.hasNode(DbkType.title.get())) {
 117                                 titleNode = node.getNode(DbkType.title.get());
 118                         } else if (node.hasNode(DbkType.info.get() + '/' + DbkType.title.get())) {
 119                                 titleNode = node.getNode(DbkType.info.get() + '/' + DbkType.title.get());
 120                         }
 121
 122                         if (titleNode != null) {
 123                                 boolean showTitle = getMainSection() == section ? showMainTitle : true;
 124                                 if (showTitle) {
 125                                         if (section.getHeader() == null)
 126                                                 section.createHeader();
 127                                         DbkSectionTitle title = newSectionTitle(textSection, titleNode);
 128                                         title.setLayoutData(CmsUiUtils.fillWidth());
 129                                         updateContent(title);
 130                                 }
 131                         }
 132
 133                         // content
 134                         for (NodeIterator ni = node.getNodes(); ni.hasNext();) {
 135                                 Node child = ni.nextNode();
 136                                 SectionPart sectionPart = null;
 137                                 if (isDbk(child, DbkType.mediaobject)) {
 138                                         if (child.hasNode(DbkType.imageobject.get())) {
 139                                                 sectionPart = newImg(textSection, child);
 140                                         } else if (child.hasNode(DbkType.videoobject.get())) {
 141                                                 sectionPart = newVideo(textSection, child);
 142                                         } else {
 143                                                 throw new IllegalArgumentException("Unsupported media object " + child);
 144                                         }
 145                                 } else if (isDbk(child, DbkType.info)) {
 146                                         // TODO enrich UI based on info
 147                                 } else if (isDbk(child, DbkType.title)) {
 148                                         // already managed
 149                                 } else if (isDbk(child, para)) {
 150                                         sectionPart = newParagraph(textSection, child);
 151                                 } else if (isDbk(child, DbkType.section)) {
 152                                         sectionPart = newSectionPart(textSection, child);
 153 //                                      if (sectionPart == null)
 154 //                                              throw new IllegalArgumentException("Unsupported node " + child);
 155                                         // TODO list node types in exception
 156                                 } else {
 157                                         throw new IllegalArgumentException("Unsupported node type for " + child);
 158                                 }
 159                                 if (sectionPart != null && sectionPart instanceof Control)
 160                                         ((Control) sectionPart).setLayoutData(CmsUiUtils.fillWidth());
 161                         }
 162
 163 //                      if (!flat)
 164                         for (NodeIterator ni = section.getNode().getNodes(DbkType.section.get()); ni.hasNext();) {
 165                                 Node child = ni.nextNode();
 166                                 if (isDbk(child, DbkType.section)) {
 167                                         TextSection newSection = newTextSection(section, child);
 168                                         newSection.setLayoutData(CmsUiUtils.fillWidth());
 169                                         refresh(newSection);
 170                                 }
 171                         }
 172                 } else {
 173                         for (Section s : section.getSubSections().values())
 174                                 refresh(s);
 175                 }
 176                 // section.layout(true, true);
 177                 long duration = System.currentTimeMillis() - begin;
 178 //              System.out.println(duration + " ms - " + DbkUtils.getTitle(section.getNode()));
 179         }
 180
 181         /** To be overridden in order to provide additional SectionPart types */
 182         protected TextSection newTextSection(Section section, Node node) {
 183                 return new TextSection(section, SWT.NONE, node);
 184         }
 185
 186         /** To be overridden in order to provide additional SectionPart types */
 187         protected SectionPart newSectionPart(TextSection textSection, Node node) {
 188                 return null;
 189         }
 190
 191         // CRUD
 192         protected Paragraph newParagraph(TextSection parent, Node node) throws RepositoryException {
 193                 Paragraph paragraph = new Paragraph(parent, parent.getStyle(), node);
 194                 updateContent(paragraph);
 195                 paragraph.setLayoutData(fillWidth());
 196                 paragraph.setMouseListener(getMouseListener());
 197                 paragraph.setFocusListener(getFocusListener());
 198                 return paragraph;
 199         }
 200
 201         protected DbkImg newImg(TextSection parent, Node node) {
 202                 try {
 203                         DbkImg img = new DbkImg(parent, parent.getStyle(), node, imageManager);
 204                         GridData imgGd;
 205                         if (maxMediaWidth != null) {
 206                                 imgGd = new GridData(SWT.CENTER, SWT.FILL, false, false);
 207                                 imgGd.widthHint = maxMediaWidth;
 208                                 img.setPreferredSize(new Point(maxMediaWidth, 0));
 209                         } else {
 210                                 imgGd = CmsUiUtils.grabWidth(SWT.CENTER, SWT.DEFAULT);
 211                         }
 212                         img.setLayoutData(imgGd);
 213                         updateContent(img);
 214                         img.setMouseListener(getMouseListener());
 215                         img.setFocusListener(getFocusListener());
 216                         return img;
 217                 } catch (RepositoryException e) {
 218                         throw new JcrException("Cannot add new image " + node, e);
 219                 }
 220         }
 221
 222         protected DbkVideo newVideo(TextSection parent, Node node) {
 223                 try {
 224                         DbkVideo video = new DbkVideo(parent, getCmsEditable().canEdit() ? SWT.NONE : SWT.READ_ONLY, node);
 225                         GridData gd;
 226                         if (maxMediaWidth != null) {
 227                                 gd = new GridData(SWT.CENTER, SWT.FILL, false, false);
 228                                 // TODO, manage size
 229 //                              gd.widthHint = maxMediaWidth;
 230 //                              gd.heightHint = (int) (gd.heightHint * 0.5625);
 231                         } else {
 232                                 gd = new GridData(SWT.CENTER, SWT.FILL, false, false);
 233 //                              gd.widthHint = video.getWidth();
 234 //                              gd.heightHint = video.getHeight();
 235                         }
 236                         video.setLayoutData(gd);
 237                         updateContent(video);
 238                         return video;
 239                 } catch (RepositoryException e) {
 240                         throw new JcrException("Cannot add new image " + node, e);
 241                 }
 242         }
 243
 244         protected DbkSectionTitle newSectionTitle(TextSection parent, Node titleNode) throws RepositoryException {
 245                 int style = parent.getStyle();
 246                 Composite titleParent = newSectionHeader(parent);
 247                 if (parent.isTitleReadOnly())
 248                         style = style | SWT.READ_ONLY;
 249                 DbkSectionTitle title = new DbkSectionTitle(titleParent, style, titleNode);
 250                 updateContent(title);
 251                 title.setMouseListener(getMouseListener());
 252                 title.setFocusListener(getFocusListener());
 253                 return title;
 254         }
 255
 256         /**
 257          * To be overridden in order to provide additional processing at the section
 258          * level.
 259          *
 260          * @return the parent to use for the {@link DbkSectionTitle}, by default
 261          *         {@link Section#getHeader()}
 262          */
 263         protected Composite newSectionHeader(TextSection section) {
 264                 return section.getHeader();
 265         }
 266
 267         protected DbkSectionTitle prepareSectionTitle(Section newSection, String titleText) throws RepositoryException {
 268                 Node sectionNode = newSection.getNode();
 269                 Node titleNode = DbkUtils.getOrAddDbk(sectionNode, DbkType.title);
 270                 getTextInterpreter().write(titleNode, titleText);
 271                 if (newSection.getHeader() == null)
 272                         newSection.createHeader();
 273                 DbkSectionTitle sectionTitle = newSectionTitle((TextSection) newSection, sectionNode);
 274                 return sectionTitle;
 275         }
 276
 277         protected void updateContent(EditablePart part) throws RepositoryException {
 278                 if (part instanceof SectionPart) {
 279                         SectionPart sectionPart = (SectionPart) part;
 280                         Node partNode = sectionPart.getNode();
 281
 282                         if (part instanceof StyledControl && (sectionPart.getSection() instanceof TextSection)) {
 283                                 TextSection section = (TextSection) sectionPart.getSection();
 284                                 StyledControl styledControl = (StyledControl) part;
 285                                 if (isDbk(partNode, para)) {
 286                                         String style = partNode.hasProperty(DbkAttr.role.name())
 287                                                         ? partNode.getProperty(DbkAttr.role.name()).getString()
 288                                                         : section.getDefaultTextStyle();
 289                                         styledControl.setStyle(style);
 290                                 }
 291                         }
 292                         // use control AFTER setting style, since it may have been reset
 293
 294                         if (part instanceof EditableText) {
 295                                 EditableText paragraph = (EditableText) part;
 296                                 if (paragraph == getEdited())
 297                                         paragraph.setText(textInterpreter.raw(partNode));
 298                                 else
 299                                         paragraph.setText(textInterpreter.readSimpleHtml(partNode));
 300                         } else if (part instanceof DbkImg) {
 301                                 DbkImg editableImage = (DbkImg) part;
 302                                 // imageManager.load(partNode, part.getControl(),
 303                                 // editableImage.getPreferredImageSize());
 304                         } else if (part instanceof DbkVideo) {
 305                                 DbkVideo video = (DbkVideo) part;
 306                                 video.load(part.getControl());
 307                         }
 308                 } else if (part instanceof DbkSectionTitle) {
 309                         DbkSectionTitle title = (DbkSectionTitle) part;
 310                         title.setStyle(title.getSection().getTitleStyle());
 311                         // use control AFTER setting style
 312                         if (title == getEdited())
 313                                 title.setText(textInterpreter.read(title.getNode()));
 314                         else
 315                                 title.setText(textInterpreter.readSimpleHtml(title.getNode()));
 316                 }
 317         }
 318
 319         // OVERRIDDEN FROM PARENT VIEWER
 320         @Override
 321         protected void save(EditablePart part) throws RepositoryException {
 322                 if (part instanceof EditableText) {
 323                         EditableText et = (EditableText) part;
 324                         if (!et.getEditable())
 325                                 return;
 326                         String text = ((Text) et.getControl()).getText();
 327
 328                         // String[] lines = text.split("[\r\n]+");
 329                         String[] lines = { text };
 330                         assert lines.length != 0;
 331                         saveLine(part, lines[0]);
 332                         if (lines.length > 1) {
 333                                 ArrayList<Control> toLayout = new ArrayList<Control>();
 334                                 if (part instanceof Paragraph) {
 335                                         Paragraph currentParagraph = (Paragraph) et;
 336                                         Section section = currentParagraph.getSection();
 337                                         Node sectionNode = section.getNode();
 338                                         Node currentParagraphN = currentParagraph.getNode();
 339                                         for (int i = 1; i < lines.length; i++) {
 340                                                 Node newNode = addDbk(sectionNode, para);
 341                                                 // newNode.addMixin(CmsTypes.CMS_STYLED);
 342                                                 saveLine(newNode, lines[i]);
 343                                                 // second node was create as last, if it is not the next
 344                                                 // one, it
 345                                                 // means there are some in between and we can take the
 346                                                 // one at
 347                                                 // index+1 for the re-order
 348                                                 if (newNode.getIndex() > currentParagraphN.getIndex() + 1) {
 349                                                         sectionNode.orderBefore(p(newNode.getIndex()), p(currentParagraphN.getIndex() + 1));
 350                                                 }
 351                                                 Paragraph newParagraph = newParagraph((TextSection) section, newNode);
 352                                                 newParagraph.moveBelow(currentParagraph);
 353                                                 toLayout.add(newParagraph);
 354
 355                                                 currentParagraph = newParagraph;
 356                                                 currentParagraphN = newNode;
 357                                         }
 358                                 }
 359                                 // TODO or rather return the created paragraphs?
 360                                 layout(toLayout.toArray(new Control[toLayout.size()]));
 361                         }
 362                         persistChanges(et.getNode());
 363                 }
 364         }
 365
 366         protected void saveLine(EditablePart part, String line) {
 367                 if (part instanceof NodePart) {
 368                         saveLine(((NodePart) part).getNode(), line);
 369                 } else if (part instanceof PropertyPart) {
 370                         saveLine(((PropertyPart) part).getProperty(), line);
 371                 } else {
 372                         throw new IllegalArgumentException("Unsupported part " + part);
 373                 }
 374         }
 375
 376         protected void saveLine(Item item, String line) {
 377                 line = line.trim();
 378                 textInterpreter.write(item, line);
 379         }
 380
 381         @Override
 382         protected void prepare(EditablePart part, Object caretPosition) {
 383                 Control control = part.getControl();
 384                 if (control instanceof Text) {
 385                         Text text = (Text) control;
 386                         if (caretPosition != null)
 387                                 if (caretPosition instanceof Integer)
 388                                         text.setSelection((Integer) caretPosition);
 389                                 else if (caretPosition instanceof Point) {
 390 //                                      layout(text);
 391 //                                      // TODO find a way to position the caret at the right place
 392 //                                      Point clickLocation = (Point) caretPosition;
 393 //                                      Point withinText = text.toControl(clickLocation);
 394 //                                      Rectangle bounds = text.getBounds();
 395 //                                      int width = bounds.width;
 396 //                                      int height = bounds.height;
 397 //                                      int textLength = text.getText().length();
 398 //                                      float area = width * height;
 399 //                                      float proportion = withinText.y * width + withinText.x;
 400 //                                      int pos = (int) (textLength * (proportion / area));
 401 //                                      text.setSelection(pos);
 402                                 }
 403                         text.setData(RWT.ACTIVE_KEYS, new String[] { "BACKSPACE", "ESC", "TAB", "SHIFT+TAB", "ALT+ARROW_LEFT",
 404                                         "ALT+ARROW_RIGHT", "ALT+ARROW_UP", "ALT+ARROW_DOWN", "RETURN", "CTRL+RETURN", "ENTER", "DELETE" });
 405                         text.setData(RWT.CANCEL_KEYS, new String[] { "RETURN", "ALT+ARROW_LEFT", "ALT+ARROW_RIGHT" });
 406                         text.addKeyListener(this);
 407                 } else if (part instanceof DbkImg) {
 408                         ((DbkImg) part).setFileUploadListener(fileUploadListener);
 409                 }
 410         }
 411
 412         // REQUIRED BY CONTEXT MENU
 413         void setParagraphStyle(Paragraph paragraph, String style) {
 414                 try {
 415                         Node paragraphNode = paragraph.getNode();
 416                         if (style == null) {// default
 417                                 if (paragraphNode.hasProperty(DbkAttr.role.name()))
 418                                         paragraphNode.getProperty(DbkAttr.role.name()).remove();
 419                         } else {
 420                                 paragraphNode.setProperty(DbkAttr.role.name(), style);
 421                         }
 422                         persistChanges(paragraphNode);
 423                         updateContent(paragraph);
 424                         layoutPage();
 425                 } catch (RepositoryException e1) {
 426                         throw new JcrException("Cannot set style " + style + " on " + paragraph, e1);
 427                 }
 428         }
 429
 430         SectionPart insertPart(Section section, Node node) {
 431                 try {
 432                         refresh(section);
 433                         layoutPage();
 434                         for (Control control : section.getChildren()) {
 435                                 if (control instanceof SectionPart) {
 436                                         SectionPart sectionPart = (SectionPart) control;
 437                                         Node partNode = sectionPart.getNode();
 438                                         if (partNode.getPath().equals(node.getPath()))
 439                                                 return sectionPart;
 440                                 }
 441                         }
 442                         throw new IllegalStateException("New section part " + node + "not found");
 443                 } catch (RepositoryException e) {
 444                         throw new JcrException("Cannot insert part " + node + " in section " + section.getNode(), e);
 445                 }
 446         }
 447
 448         void addParagraph(SectionPart partBefore, String txt) {
 449                 Section section = partBefore.getSection();
 450                 SectionPart nextSectionPart = section.nextSectionPart(partBefore);
 451                 Node newNode = addDbk(section.getNode(), para);
 452                 textInterpreter.write(newNode, txt != null ? txt : "");
 453                 if (nextSectionPart != null) {
 454                         try {
 455                                 Node nextNode = nextSectionPart.getNode();
 456                                 section.getNode().orderBefore(Jcr.getIndexedName(newNode), Jcr.getIndexedName(nextNode));
 457                         } catch (RepositoryException e) {
 458                                 throw new JcrException("Cannot order " + newNode + " before " + nextSectionPart.getNode(), e);
 459                         }
 460                 }
 461                 Jcr.save(newNode);
 462                 Paragraph paragraph = (Paragraph) insertPart(partBefore.getSection(), newNode);
 463                 edit(paragraph, 0);
 464         }
 465
 466         void deletePart(SectionPart sectionPart) {
 467                 try {
 468                         Node node = sectionPart.getNode();
 469                         Session session = node.getSession();
 470                         if (sectionPart instanceof DbkImg) {
 471                                 if (!isDbk(node, DbkType.mediaobject))
 472                                         throw new IllegalArgumentException("Node " + node + " is not a media object.");
 473                         }
 474                         node.remove();
 475                         session.save();
 476                         if (sectionPart instanceof Control)
 477                                 ((Control) sectionPart).dispose();
 478                         layoutPage();
 479                 } catch (RepositoryException e1) {
 480                         throw new JcrException("Cannot delete " + sectionPart, e1);
 481                 }
 482         }
 483
 484         void deleteSection(Section section) {
 485                 try {
 486                         Node node = section.getNode();
 487                         Session session = node.getSession();
 488                         node.remove();
 489                         session.save();
 490                         section.dispose();
 491                         layoutPage();
 492                 } catch (RepositoryException e1) {
 493                         throw new JcrException("Cannot delete " + section, e1);
 494                 }
 495         }
 496
 497         String getRawParagraphText(Paragraph paragraph) {
 498                 return textInterpreter.raw(paragraph.getNode());
 499         }
 500
 501         // COMMANDS
 502         protected void splitEdit() {
 503                 checkEdited();
 504                 try {
 505                         if (getEdited() instanceof Paragraph) {
 506                                 Paragraph paragraph = (Paragraph) getEdited();
 507                                 Text text = (Text) paragraph.getControl();
 508                                 int caretPosition = text.getCaretPosition();
 509                                 String txt = text.getText();
 510                                 String first = txt.substring(0, caretPosition);
 511                                 String second = txt.substring(caretPosition);
 512                                 Node firstNode = paragraph.getNode();
 513                                 Node sectionNode = firstNode.getParent();
 514
 515                                 // FIXME set content the DocBook way
 516                                 // firstNode.setProperty(CMS_CONTENT, first);
 517                                 Node secondNode = addDbk(sectionNode, para);
 518                                 // secondNode.addMixin(CmsTypes.CMS_STYLED);
 519
 520                                 // second node was create as last, if it is not the next one, it
 521                                 // means there are some in between and we can take the one at
 522                                 // index+1 for the re-order
 523                                 if (secondNode.getIndex() > firstNode.getIndex() + 1) {
 524                                         sectionNode.orderBefore(p(secondNode.getIndex()), p(firstNode.getIndex() + 1));
 525                                 }
 526
 527                                 // if we die in between, at least we still have the whole text
 528                                 // in the first node
 529                                 try {
 530                                         textInterpreter.write(secondNode, second);
 531                                         textInterpreter.write(firstNode, first);
 532                                 } catch (Exception e) {
 533                                         // so that no additional nodes are created:
 534                                         JcrUtils.discardUnderlyingSessionQuietly(firstNode);
 535                                         throw e;
 536                                 }
 537
 538                                 persistChanges(firstNode);
 539
 540                                 Paragraph secondParagraph = paragraphSplitted(paragraph, secondNode);
 541                                 edit(secondParagraph, 0);
 542                         } else if (getEdited() instanceof DbkSectionTitle) {
 543                                 DbkSectionTitle sectionTitle = (DbkSectionTitle) getEdited();
 544                                 Text text = (Text) sectionTitle.getControl();
 545                                 String txt = text.getText();
 546                                 int caretPosition = text.getCaretPosition();
 547                                 Section section = sectionTitle.getSection();
 548                                 Node sectionNode = section.getNode();
 549                                 Node paragraphNode = addDbk(sectionNode, para);
 550                                 // paragraphNode.addMixin(CmsTypes.CMS_STYLED);
 551
 552                                 textInterpreter.write(paragraphNode, txt.substring(caretPosition));
 553                                 textInterpreter.write(sectionNode.getNode(DbkType.title.get()), txt.substring(0, caretPosition));
 554                                 sectionNode.orderBefore(p(paragraphNode.getIndex()), p(1));
 555                                 persistChanges(sectionNode);
 556
 557                                 Paragraph paragraph = sectionTitleSplitted(sectionTitle, paragraphNode);
 558                                 // section.layout();
 559                                 edit(paragraph, 0);
 560                         }
 561                 } catch (RepositoryException e) {
 562                         throw new JcrException("Cannot split " + getEdited(), e);
 563                 }
 564         }
 565
 566         protected void mergeWithPrevious() {
 567                 checkEdited();
 568                 try {
 569                         Paragraph paragraph = (Paragraph) getEdited();
 570                         Text text = (Text) paragraph.getControl();
 571                         String txt = text.getText();
 572                         Node paragraphNode = paragraph.getNode();
 573                         if (paragraphNode.getIndex() == 1)
 574                                 return;// do nothing
 575                         Node sectionNode = paragraphNode.getParent();
 576                         Node previousNode = sectionNode.getNode(p(paragraphNode.getIndex() - 1));
 577                         String previousTxt = textInterpreter.read(previousNode);
 578                         textInterpreter.write(previousNode, previousTxt + txt);
 579                         paragraphNode.remove();
 580                         persistChanges(sectionNode);
 581
 582                         Paragraph previousParagraph = paragraphMergedWithPrevious(paragraph, previousNode);
 583                         edit(previousParagraph, previousTxt.length());
 584                 } catch (RepositoryException e) {
 585                         throw new JcrException("Cannot stop editing", e);
 586                 }
 587         }
 588
 589         protected void mergeWithNext() {
 590                 checkEdited();
 591                 try {
 592                         Paragraph paragraph = (Paragraph) getEdited();
 593                         Text text = (Text) paragraph.getControl();
 594                         String txt = text.getText();
 595                         Node paragraphNode = paragraph.getNode();
 596                         Node sectionNode = paragraphNode.getParent();
 597                         NodeIterator paragraphNodes = sectionNode.getNodes(DbkType.para.get());
 598                         long size = paragraphNodes.getSize();
 599                         if (paragraphNode.getIndex() == size)
 600                                 return;// do nothing
 601                         Node nextNode = sectionNode.getNode(p(paragraphNode.getIndex() + 1));
 602                         String nextTxt = textInterpreter.read(nextNode);
 603                         textInterpreter.write(paragraphNode, txt + nextTxt);
 604
 605                         Section section = paragraph.getSection();
 606                         Paragraph removed = (Paragraph) section.getSectionPart(nextNode.getIdentifier());
 607
 608                         nextNode.remove();
 609                         persistChanges(sectionNode);
 610
 611                         paragraphMergedWithNext(paragraph, removed);
 612                         edit(paragraph, txt.length());
 613                 } catch (RepositoryException e) {
 614                         throw new JcrException("Cannot stop editing", e);
 615                 }
 616         }
 617
 618         protected synchronized void upload(EditablePart part) {
 619                 try {
 620                         if (part instanceof SectionPart) {
 621                                 SectionPart sectionPart = (SectionPart) part;
 622                                 Node partNode = sectionPart.getNode();
 623                                 int partIndex = partNode.getIndex();
 624                                 Section section = sectionPart.getSection();
 625                                 Node sectionNode = section.getNode();
 626
 627                                 if (part instanceof Paragraph) {
 628                                         // FIXME adapt to DocBook
 629 //                                      Node newNode = sectionNode.addNode(DocBookNames.DBK_MEDIAOBJECT, NodeType.NT_FILE);
 630 //                                      newNode.addNode(Node.JCR_CONTENT, NodeType.NT_RESOURCE);
 631 //                                      JcrUtils.copyBytesAsFile(sectionNode, p(newNode.getIndex()), new byte[0]);
 632 //                                      if (partIndex < newNode.getIndex() - 1) {
 633 //                                              // was not last
 634 //                                              sectionNode.orderBefore(p(newNode.getIndex()), p(partIndex - 1));
 635 //                                      }
 636 //                                      // sectionNode.orderBefore(p(partNode.getIndex()),
 637 //                                      // p(newNode.getIndex()));
 638 //                                      persistChanges(sectionNode);
 639 //                                      DbkImg img = newImg((TextSection) section, newNode);
 640 //                                      edit(img, null);
 641 //                                      layout(img.getControl());
 642                                 } else if (part instanceof DbkImg) {
 643                                         if (getEdited() == part)
 644                                                 return;
 645                                         edit(part, null);
 646                                         layoutPage();
 647                                 }
 648                         }
 649                 } catch (RepositoryException e) {
 650                         throw new JcrException("Cannot upload", e);
 651                 }
 652         }
 653
 654         protected void deepen() {
 655                 if (flat)
 656                         return;
 657                 checkEdited();
 658                 try {
 659                         if (getEdited() instanceof Paragraph) {
 660                                 Paragraph paragraph = (Paragraph) getEdited();
 661                                 Text text = (Text) paragraph.getControl();
 662                                 String txt = text.getText();
 663                                 Node paragraphNode = paragraph.getNode();
 664                                 Section section = paragraph.getSection();
 665                                 Node sectionNode = section.getNode();
 666                                 // main title
 667                                 if (section == mainSection && section instanceof TextSection && paragraphNode.getIndex() == 1
 668                                                 && !sectionNode.hasNode(DbkType.title.get())) {
 669                                         DbkSectionTitle sectionTitle = prepareSectionTitle(section, txt);
 670                                         edit(sectionTitle, 0);
 671                                         return;
 672                                 }
 673                                 Node newSectionNode = addDbk(sectionNode, DbkType.section);
 674                                 // newSectionNode.addMixin(NodeType.MIX_TITLE);
 675                                 sectionNode.orderBefore(h(newSectionNode.getIndex()), h(1));
 676
 677                                 int paragraphIndex = paragraphNode.getIndex();
 678                                 String sectionPath = sectionNode.getPath();
 679                                 String newSectionPath = newSectionNode.getPath();
 680                                 while (sectionNode.hasNode(p(paragraphIndex + 1))) {
 681                                         Node parag = sectionNode.getNode(p(paragraphIndex + 1));
 682                                         sectionNode.getSession().move(sectionPath + '/' + p(paragraphIndex + 1),
 683                                                         newSectionPath + '/' + DbkType.para.get());
 684                                         SectionPart sp = section.getSectionPart(parag.getIdentifier());
 685                                         if (sp instanceof Control)
 686                                                 ((Control) sp).dispose();
 687                                 }
 688                                 // create title
 689                                 Node titleNode = DbkUtils.addDbk(newSectionNode, DbkType.title);
 690                                 // newSectionNode.addNode(DocBookType.TITLE, DocBookType.TITLE);
 691                                 getTextInterpreter().write(titleNode, txt);
 692
 693                                 TextSection newSection = new TextSection(section, section.getStyle(), newSectionNode);
 694                                 newSection.setLayoutData(CmsUiUtils.fillWidth());
 695                                 newSection.moveBelow(paragraph);
 696
 697                                 // dispose
 698                                 paragraphNode.remove();
 699                                 paragraph.dispose();
 700
 701                                 refresh(newSection);
 702                                 newSection.getParent().layout();
 703                                 layout(newSection);
 704                                 persistChanges(sectionNode);
 705                         } else if (getEdited() instanceof DbkSectionTitle) {
 706                                 DbkSectionTitle sectionTitle = (DbkSectionTitle) getEdited();
 707                                 Section section = sectionTitle.getSection();
 708                                 Section parentSection = section.getParentSection();
 709                                 if (parentSection == null)
 710                                         return;// cannot deepen main section
 711                                 Node sectionN = section.getNode();
 712                                 Node parentSectionN = parentSection.getNode();
 713                                 if (sectionN.getIndex() == 1)
 714                                         return;// cannot deepen first section
 715                                 Node previousSectionN = parentSectionN.getNode(h(sectionN.getIndex() - 1));
 716                                 NodeIterator subSections = previousSectionN.getNodes(DbkType.section.get());
 717                                 int subsectionsCount = (int) subSections.getSize();
 718                                 previousSectionN.getSession().move(sectionN.getPath(),
 719                                                 previousSectionN.getPath() + "/" + h(subsectionsCount + 1));
 720                                 section.dispose();
 721                                 TextSection newSection = new TextSection(section, section.getStyle(), sectionN);
 722                                 refresh(newSection);
 723                                 persistChanges(previousSectionN);
 724                         }
 725                 } catch (RepositoryException e) {
 726                         throw new JcrException("Cannot deepen " + getEdited(), e);
 727                 }
 728         }
 729
 730         protected void undeepen() {
 731                 if (flat)
 732                         return;
 733                 checkEdited();
 734                 try {
 735                         if (getEdited() instanceof Paragraph) {
 736                                 upload(getEdited());
 737                         } else if (getEdited() instanceof DbkSectionTitle) {
 738                                 DbkSectionTitle sectionTitle = (DbkSectionTitle) getEdited();
 739                                 Section section = sectionTitle.getSection();
 740                                 Node sectionNode = section.getNode();
 741                                 Section parentSection = section.getParentSection();
 742                                 if (parentSection == null)
 743                                         return;// cannot undeepen main section
 744
 745                                 // choose in which section to merge
 746                                 Section mergedSection;
 747                                 if (sectionNode.getIndex() == 1)
 748                                         mergedSection = section.getParentSection();
 749                                 else {
 750                                         Map<String, Section> parentSubsections = parentSection.getSubSections();
 751                                         ArrayList<Section> lst = new ArrayList<Section>(parentSubsections.values());
 752                                         mergedSection = lst.get(sectionNode.getIndex() - 1);
 753                                 }
 754                                 Node mergedNode = mergedSection.getNode();
 755                                 boolean mergedHasSubSections = mergedNode.hasNode(DbkType.section.get());
 756
 757                                 // title as paragraph
 758                                 Node newParagrapheNode = addDbk(mergedNode, para);
 759                                 // newParagrapheNode.addMixin(CmsTypes.CMS_STYLED);
 760                                 if (mergedHasSubSections)
 761                                         mergedNode.orderBefore(p(newParagrapheNode.getIndex()), h(1));
 762                                 String txt = getTextInterpreter().read(sectionNode.getNode(DbkType.title.get()));
 763                                 getTextInterpreter().write(newParagrapheNode, txt);
 764                                 // move
 765                                 NodeIterator paragraphs = sectionNode.getNodes(para.get());
 766                                 while (paragraphs.hasNext()) {
 767                                         Node p = paragraphs.nextNode();
 768                                         SectionPart sp = section.getSectionPart(p.getIdentifier());
 769                                         if (sp instanceof Control)
 770                                                 ((Control) sp).dispose();
 771                                         mergedNode.getSession().move(p.getPath(), mergedNode.getPath() + '/' + para.get());
 772                                         if (mergedHasSubSections)
 773                                                 mergedNode.orderBefore(p(p.getIndex()), h(1));
 774                                 }
 775
 776                                 Iterator<Section> subsections = section.getSubSections().values().iterator();
 777                                 // NodeIterator sections = sectionNode.getNodes(CMS_H);
 778                                 while (subsections.hasNext()) {
 779                                         Section subsection = subsections.next();
 780                                         Node s = subsection.getNode();
 781                                         mergedNode.getSession().move(s.getPath(), mergedNode.getPath() + '/' + DbkType.section.get());
 782                                         subsection.dispose();
 783                                 }
 784
 785                                 // remove section
 786                                 section.getNode().remove();
 787                                 section.dispose();
 788
 789                                 refresh(mergedSection);
 790                                 mergedSection.getParent().layout();
 791                                 layout(mergedSection);
 792                                 persistChanges(mergedNode);
 793                         }
 794                 } catch (RepositoryException e) {
 795                         throw new JcrException("Cannot undeepen " + getEdited(), e);
 796                 }
 797         }
 798
 799         // UI CHANGES
 800         protected Paragraph paragraphSplitted(Paragraph paragraph, Node newNode) throws RepositoryException {
 801                 Section section = paragraph.getSection();
 802                 updateContent(paragraph);
 803                 Paragraph newParagraph = newParagraph((TextSection) section, newNode);
 804                 newParagraph.setLayoutData(CmsUiUtils.fillWidth());
 805                 newParagraph.moveBelow(paragraph);
 806                 layout(paragraph.getControl(), newParagraph.getControl());
 807                 return newParagraph;
 808         }
 809
 810         protected Paragraph sectionTitleSplitted(DbkSectionTitle sectionTitle, Node newNode) throws RepositoryException {
 811                 updateContent(sectionTitle);
 812                 Paragraph newParagraph = newParagraph(sectionTitle.getSection(), newNode);
 813                 // we assume beforeFirst is not null since there was a sectionTitle
 814                 newParagraph.moveBelow(sectionTitle.getSection().getHeader());
 815                 layout(sectionTitle.getControl(), newParagraph.getControl());
 816                 return newParagraph;
 817         }
 818
 819         protected Paragraph paragraphMergedWithPrevious(Paragraph removed, Node remaining) throws RepositoryException {
 820                 Section section = removed.getSection();
 821                 removed.dispose();
 822
 823                 Paragraph paragraph = (Paragraph) section.getSectionPart(remaining.getIdentifier());
 824                 updateContent(paragraph);
 825                 layout(paragraph.getControl());
 826                 return paragraph;
 827         }
 828
 829         protected void paragraphMergedWithNext(Paragraph remaining, Paragraph removed) throws RepositoryException {
 830                 removed.dispose();
 831                 updateContent(remaining);
 832                 layout(remaining.getControl());
 833         }
 834
 835         // UTILITIES
 836         protected String p(Integer index) {
 837                 StringBuilder sb = new StringBuilder(6);
 838                 sb.append(para.get()).append('[').append(index).append(']');
 839                 return sb.toString();
 840         }
 841
 842         protected String h(Integer index) {
 843                 StringBuilder sb = new StringBuilder(5);
 844                 sb.append(DbkType.section.get()).append('[').append(index).append(']');
 845                 return sb.toString();
 846         }
 847
 848         // GETTERS / SETTERS
 849         public Section getMainSection() {
 850                 return mainSection;
 851         }
 852
 853         public boolean isFlat() {
 854                 return flat;
 855         }
 856
 857         public TextInterpreter getTextInterpreter() {
 858                 return textInterpreter;
 859         }
 860
 861         // KEY LISTENER
 862         @Override
 863         public void keyPressed(KeyEvent ke) {
 864                 if (log.isTraceEnabled())
 865                         log.trace(ke);
 866
 867                 if (getEdited() == null)
 868                         return;
 869                 boolean altPressed = (ke.stateMask & SWT.ALT) != 0;
 870                 boolean shiftPressed = (ke.stateMask & SWT.SHIFT) != 0;
 871                 boolean ctrlPressed = (ke.stateMask & SWT.CTRL) != 0;
 872
 873                 try {
 874                         // Common
 875                         if (ke.keyCode == SWT.ESC) {
 876 //                              cancelEdit();
 877                                 saveEdit();
 878                         } else if (ke.character == '\r') {
 879                                 if (!shiftPressed)
 880                                         splitEdit();
 881                         } else if (ke.character == 'z') {
 882                                 if (ctrlPressed)
 883                                         cancelEdit();
 884                         } else if (ke.character == 'S') {
 885                                 if (ctrlPressed)
 886                                         saveEdit();
 887                         } else if (ke.character == '\t') {
 888                                 if (!shiftPressed) {
 889                                         deepen();
 890                                 } else if (shiftPressed) {
 891                                         undeepen();
 892                                 }
 893                         } else {
 894                                 if (getEdited() instanceof Paragraph) {
 895                                         Paragraph paragraph = (Paragraph) getEdited();
 896                                         Section section = paragraph.getSection();
 897                                         if (altPressed && ke.keyCode == SWT.ARROW_RIGHT) {
 898                                                 edit(section.nextSectionPart(paragraph), 0);
 899                                         } else if (altPressed && ke.keyCode == SWT.ARROW_LEFT) {
 900                                                 edit(section.previousSectionPart(paragraph), 0);
 901                                         } else if (ke.character == SWT.BS) {
 902                                                 Text text = (Text) paragraph.getControl();
 903                                                 int caretPosition = text.getCaretPosition();
 904                                                 if (caretPosition == 0) {
 905                                                         mergeWithPrevious();
 906                                                 }
 907                                         } else if (ke.character == SWT.DEL) {
 908                                                 Text text = (Text) paragraph.getControl();
 909                                                 int caretPosition = text.getCaretPosition();
 910                                                 int charcount = text.getCharCount();
 911                                                 if (caretPosition == charcount) {
 912                                                         mergeWithNext();
 913                                                 }
 914                                         }
 915                                 }
 916                         }
 917                 } catch (Exception e) {
 918                         ke.doit = false;
 919                         notifyEditionException(e);
 920                 }
 921         }
 922
 923         @Override
 924         public void keyReleased(KeyEvent e) {
 925         }
 926
 927         // MOUSE LISTENER
 928         @Override
 929         protected MouseListener createMouseListener() {
 930                 return new ML();
 931         }
 932
 933         private class ML extends MouseAdapter {
 934                 private static final long serialVersionUID = 8526890859876770905L;
 935
 936                 @Override
 937                 public void mouseDoubleClick(MouseEvent e) {
 938                         if (e.button == 1) {
 939                                 Control source = (Control) e.getSource();
 940                                 EditablePart composite = findDataParent(source);
 941                                 Point point = new Point(e.x, e.y);
 942                                 if (composite instanceof DbkImg) {
 943                                         if (getCmsEditable().canEdit()) {
 944                                                 if (getCmsEditable().isEditing() && !(getEdited() instanceof DbkImg)) {
 945                                                         if (source == mainSection)
 946                                                                 return;
 947                                                         EditablePart part = findDataParent(source);
 948                                                         upload(part);
 949                                                 } else {
 950                                                         getCmsEditable().startEditing();
 951                                                 }
 952                                         }
 953                                 } else if (source instanceof Label) {
 954                                         Label lbl = (Label) source;
 955                                         Rectangle bounds = lbl.getBounds();
 956                                         float width = bounds.width;
 957                                         float height = bounds.height;
 958                                         float textLength = lbl.getText().length();
 959                                         float area = width * height;
 960                                         float charArea = area / textLength;
 961                                         float lines = textLength / width;
 962                                         float proportion = point.y * width + point.x;
 963                                         int pos = (int) (textLength * (proportion / area));
 964                                         // TODO refine it
 965                                         edit(composite, (Integer) pos);
 966                                 } else {
 967                                         edit(composite, source.toDisplay(point));
 968                                 }
 969                         }
 970                 }
 971
 972                 @Override
 973                 public void mouseDown(MouseEvent e) {
 974                         if (getCmsEditable().isEditing()) {
 975                                 if (e.button == 3) {
 976                                         EditablePart composite = findDataParent((Control) e.getSource());
 977                                         if (styledTools != null) {
 978                                                 List<String> styles = getAvailableStyles(composite);
 979                                                 styledTools.show(composite, new Point(e.x, e.y), styles);
 980                                         }
 981                                 }
 982                         }
 983                 }
 984
 985                 @Override
 986                 public void mouseUp(MouseEvent e) {
 987                 }
 988         }
 989
 990         protected List<String> getAvailableStyles(EditablePart editablePart) {
 991                 return new ArrayList<>();
 992         }
 993
 994         public void setMaxMediaWidth(Integer maxMediaWidth) {
 995                 this.maxMediaWidth = maxMediaWidth;
 996         }
 997
 998         public void setShowMainTitle(boolean showMainTitle) {
 999                 this.showMainTitle = showMainTitle;
1000         }
1001
1002         public String getDefaultSectionStyle() {
1003                 return defaultSectionStyle;
1004         }
1005
1006         public void setDefaultSectionStyle(String defaultSectionStyle) {
1007                 this.defaultSectionStyle = defaultSectionStyle;
1008         }
1009
1010         // FILE UPLOAD LISTENER
1011         private class FUL implements FileUploadListener {
1012                 public void uploadProgress(FileUploadEvent event) {
1013                         // TODO Monitor upload progress
1014                 }
1015
1016                 public void uploadFailed(FileUploadEvent event) {
1017                         throw new RuntimeException("Upload failed " + event, event.getException());
1018                 }
1019
1020                 public void uploadFinished(FileUploadEvent event) {
1021                         for (FileDetails file : event.getFileDetails()) {
1022                                 if (log.isDebugEnabled())
1023                                         log.debug("Received: " + file.getFileName());
1024                         }
1025                         mainSection.getDisplay().syncExec(new Runnable() {
1026                                 @Override
1027                                 public void run() {
1028                                         saveEdit();
1029                                 }
1030                         });
1031                         FileUploadHandler uploadHandler = (FileUploadHandler) event.getSource();
1032                         uploadHandler.dispose();
1033                 }
1034         }
1035 }