publishing/org.argeo.publishing.ui/src/org/argeo/cms/text/AbstractTextViewer.java

   1 package org.argeo.cms.text;
   2
   3 import static javax.jcr.Property.JCR_TITLE;
   4 import static org.argeo.cms.ui.util.CmsUiUtils.fillWidth;
   5
   6 import java.util.ArrayList;
   7 import java.util.Iterator;
   8 import java.util.Map;
   9 import java.util.Observer;
  10
  11 import javax.jcr.Item;
  12 import javax.jcr.Node;
  13 import javax.jcr.NodeIterator;
  14 import javax.jcr.Property;
  15 import javax.jcr.RepositoryException;
  16 import javax.jcr.Session;
  17 import javax.jcr.nodetype.NodeType;
  18
  19 import org.apache.commons.logging.Log;
  20 import org.apache.commons.logging.LogFactory;
  21 import org.argeo.cms.CmsException;
  22 import org.argeo.cms.ui.CmsEditable;
  23 import org.argeo.cms.ui.CmsImageManager;
  24 import org.argeo.cms.ui.util.CmsUiUtils;
  25 import org.argeo.cms.ui.viewers.AbstractPageViewer;
  26 import org.argeo.cms.ui.viewers.EditablePart;
  27 import org.argeo.cms.ui.viewers.NodePart;
  28 import org.argeo.cms.ui.viewers.PropertyPart;
  29 import org.argeo.cms.ui.viewers.Section;
  30 import org.argeo.cms.ui.viewers.SectionPart;
  31 import org.argeo.cms.ui.widgets.EditableImage;
  32 import org.argeo.cms.ui.widgets.EditableText;
  33 import org.argeo.cms.ui.widgets.Img;
  34 import org.argeo.cms.ui.widgets.StyledControl;
  35 import org.argeo.jcr.JcrUtils;
  36 import org.eclipse.rap.fileupload.FileDetails;
  37 import org.eclipse.rap.fileupload.FileUploadEvent;
  38 import org.eclipse.rap.fileupload.FileUploadHandler;
  39 import org.eclipse.rap.fileupload.FileUploadListener;
  40 import org.eclipse.rap.rwt.RWT;
  41 import org.eclipse.swt.SWT;
  42 import org.eclipse.swt.events.KeyEvent;
  43 import org.eclipse.swt.events.KeyListener;
  44 import org.eclipse.swt.events.MouseAdapter;
  45 import org.eclipse.swt.events.MouseEvent;
  46 import org.eclipse.swt.events.MouseListener;
  47 import org.eclipse.swt.graphics.Point;
  48 import org.eclipse.swt.widgets.Composite;
  49 import org.eclipse.swt.widgets.Control;
  50 import org.eclipse.swt.widgets.Text;
  51
  52 /** Base class for text viewers and editors. */
  53 public abstract class AbstractTextViewer extends AbstractPageViewer implements
  54                 CmsNames, KeyListener, Observer {
  55         private static final long serialVersionUID = -2401274679492339668L;
  56         private final static Log log = LogFactory.getLog(AbstractTextViewer.class);
  57
  58         private final Section mainSection;
  59
  60         private TextInterpreter textInterpreter = new TextInterpreterImpl();
  61         private CmsImageManager imageManager = CmsUiUtils.getCmsView()
  62                         .getImageManager();
  63
  64         private FileUploadListener fileUploadListener;
  65         private TextContextMenu styledTools;
  66
  67         private final boolean flat;
  68
  69         protected AbstractTextViewer(Section parent, int style,
  70                         CmsEditable cmsEditable) {
  71                 super(parent, style, cmsEditable);
  72                 flat = SWT.FLAT == (style & SWT.FLAT);
  73
  74                 if (getCmsEditable().canEdit()) {
  75                         fileUploadListener = new FUL();
  76                         styledTools = new TextContextMenu(this, parent.getDisplay());
  77                 }
  78                 this.mainSection = parent;
  79                 initModelIfNeeded(mainSection.getNode());
  80                 // layout(this.mainSection);
  81         }
  82
  83         @Override
  84         public Control getControl() {
  85                 return mainSection;
  86         }
  87
  88         protected void refresh(Control control) throws RepositoryException {
  89                 if (!(control instanceof Section))
  90                         return;
  91                 Section section = (Section) control;
  92                 if (section instanceof TextSection) {
  93                         CmsUiUtils.clear(section);
  94                         Node node = section.getNode();
  95                         TextSection textSection = (TextSection) section;
  96                         if (node.hasProperty(Property.JCR_TITLE)) {
  97                                 if (section.getHeader() == null)
  98                                         section.createHeader();
  99                                 if (node.hasProperty(Property.JCR_TITLE)) {
 100                                         SectionTitle title = newSectionTitle(textSection, node);
 101                                         title.setLayoutData(CmsUiUtils.fillWidth());
 102                                         updateContent(title);
 103                                 }
 104                         }
 105
 106                         for (NodeIterator ni = node.getNodes(CMS_P); ni.hasNext();) {
 107                                 Node child = ni.nextNode();
 108                                 final SectionPart sectionPart;
 109                                 if (child.isNodeType(CmsTypes.CMS_IMAGE)
 110                                                 || child.isNodeType(NodeType.NT_FILE)) {
 111                                         sectionPart = newImg(textSection, child);
 112                                 } else if (child.isNodeType(CmsTypes.CMS_STYLED)) {
 113                                         sectionPart = newParagraph(textSection, child);
 114                                 } else {
 115                                         sectionPart = newSectionPart(textSection, child);
 116                                         if (sectionPart == null)
 117                                                 throw new CmsException("Unsupported node " + child);
 118                                         // TODO list node types in exception
 119                                 }
 120                                 if (sectionPart instanceof Control)
 121                                         ((Control) sectionPart).setLayoutData(CmsUiUtils.fillWidth());
 122                         }
 123
 124                         if (!flat)
 125                                 for (NodeIterator ni = section.getNode().getNodes(CMS_H); ni
 126                                                 .hasNext();) {
 127                                         Node child = ni.nextNode();
 128                                         if (child.isNodeType(CmsTypes.CMS_SECTION)) {
 129                                                 TextSection newSection = new TextSection(section,
 130                                                                 SWT.NONE, child);
 131                                                 newSection.setLayoutData(CmsUiUtils.fillWidth());
 132                                                 refresh(newSection);
 133                                         }
 134                                 }
 135                 } else {
 136                         for (Section s : section.getSubSections().values())
 137                                 refresh(s);
 138                 }
 139                 // section.layout();
 140         }
 141
 142         /** To be overridden in order to provide additional SectionPart types */
 143         protected SectionPart newSectionPart(TextSection textSection, Node node) {
 144                 return null;
 145         }
 146
 147         // CRUD
 148         protected Paragraph newParagraph(TextSection parent, Node node)
 149                         throws RepositoryException {
 150                 Paragraph paragraph = new Paragraph(parent, parent.getStyle(), node);
 151                 updateContent(paragraph);
 152                 paragraph.setLayoutData(fillWidth());
 153                 paragraph.setMouseListener(getMouseListener());
 154                 return paragraph;
 155         }
 156
 157         protected Img newImg(TextSection parent, Node node)
 158                         throws RepositoryException {
 159                 Img img = new Img(parent, parent.getStyle(), node) {
 160                         private static final long serialVersionUID = 1297900641952417540L;
 161
 162                         @Override
 163                         protected void setContainerLayoutData(Composite composite) {
 164                                 composite.setLayoutData(CmsUiUtils.grabWidth(SWT.CENTER,
 165                                                 SWT.DEFAULT));
 166                         }
 167
 168                         @Override
 169                         protected void setControlLayoutData(Control control) {
 170                                 control.setLayoutData(CmsUiUtils.grabWidth(SWT.CENTER,
 171                                                 SWT.DEFAULT));
 172                         }
 173                 };
 174                 img.setLayoutData(CmsUiUtils.grabWidth(SWT.CENTER, SWT.DEFAULT));
 175                 updateContent(img);
 176                 img.setMouseListener(getMouseListener());
 177                 return img;
 178         }
 179
 180         protected SectionTitle newSectionTitle(TextSection parent, Node node)
 181                         throws RepositoryException {
 182                 SectionTitle title = new SectionTitle(parent.getHeader(),
 183                                 parent.getStyle(), node.getProperty(JCR_TITLE));
 184                 updateContent(title);
 185                 title.setMouseListener(getMouseListener());
 186                 return title;
 187         }
 188
 189         protected SectionTitle prepareSectionTitle(Section newSection,
 190                         String titleText) throws RepositoryException {
 191                 Node sectionNode = newSection.getNode();
 192                 if (!sectionNode.hasProperty(JCR_TITLE))
 193                         sectionNode.setProperty(Property.JCR_TITLE, "");
 194                 getTextInterpreter().write(sectionNode.getProperty(Property.JCR_TITLE),
 195                                 titleText);
 196                 if (newSection.getHeader() == null)
 197                         newSection.createHeader();
 198                 SectionTitle sectionTitle = newSectionTitle((TextSection) newSection,
 199                                 sectionNode);
 200                 return sectionTitle;
 201         }
 202
 203         protected void updateContent(EditablePart part) throws RepositoryException {
 204                 if (part instanceof SectionPart) {
 205                         SectionPart sectionPart = (SectionPart) part;
 206                         Node partNode = sectionPart.getNode();
 207
 208                         if (part instanceof StyledControl
 209                                         && (sectionPart.getSection() instanceof TextSection)) {
 210                                 TextSection section = (TextSection) sectionPart.getSection();
 211                                 StyledControl styledControl = (StyledControl) part;
 212                                 if (partNode.isNodeType(CmsTypes.CMS_STYLED)) {
 213                                         String style = partNode.hasProperty(CMS_STYLE) ? partNode
 214                                                         .getProperty(CMS_STYLE).getString() : section
 215                                                         .getDefaultTextStyle();
 216                                         styledControl.setStyle(style);
 217                                 }
 218                         }
 219                         // use control AFTER setting style, since it may have been reset
 220
 221                         if (part instanceof EditableText) {
 222                                 EditableText paragraph = (EditableText) part;
 223                                 if (paragraph == getEdited())
 224                                         paragraph.setText(textInterpreter.read(partNode));
 225                                 else
 226                                         paragraph.setText(textInterpreter.raw(partNode));
 227                         } else if (part instanceof EditableImage) {
 228                                 EditableImage editableImage = (EditableImage) part;
 229                                 imageManager.load(partNode, part.getControl(),
 230                                                 editableImage.getPreferredImageSize());
 231                         }
 232                 } else if (part instanceof SectionTitle) {
 233                         SectionTitle title = (SectionTitle) part;
 234                         title.setStyle(title.getSection().getTitleStyle());
 235                         // use control AFTER setting style
 236                         if (title == getEdited())
 237                                 title.setText(textInterpreter.read(title.getProperty()));
 238                         else
 239                                 title.setText(textInterpreter.raw(title.getProperty()));
 240                 }
 241         }
 242
 243         // OVERRIDDEN FROM PARENT VIEWER
 244         @Override
 245         protected void save(EditablePart part) throws RepositoryException {
 246                 if (part instanceof EditableText) {
 247                         EditableText et = (EditableText) part;
 248                         String text = ((Text) et.getControl()).getText();
 249
 250                         String[] lines = text.split("[\r\n]+");
 251                         assert lines.length != 0;
 252                         saveLine(part, lines[0]);
 253                         if (lines.length > 1) {
 254                                 ArrayList<Control> toLayout = new ArrayList<Control>();
 255                                 if (part instanceof Paragraph) {
 256                                         Paragraph currentParagraph = (Paragraph) et;
 257                                         Section section = currentParagraph.getSection();
 258                                         Node sectionNode = section.getNode();
 259                                         Node currentParagraphN = currentParagraph.getNode();
 260                                         for (int i = 1; i < lines.length; i++) {
 261                                                 Node newNode = sectionNode.addNode(CMS_P);
 262                                                 newNode.addMixin(CmsTypes.CMS_STYLED);
 263                                                 saveLine(newNode, lines[i]);
 264                                                 // second node was create as last, if it is not the next
 265                                                 // one, it
 266                                                 // means there are some in between and we can take the
 267                                                 // one at
 268                                                 // index+1 for the re-order
 269                                                 if (newNode.getIndex() > currentParagraphN.getIndex() + 1) {
 270                                                         sectionNode.orderBefore(p(newNode.getIndex()),
 271                                                                         p(currentParagraphN.getIndex() + 1));
 272                                                 }
 273                                                 Paragraph newParagraph = newParagraph(
 274                                                                 (TextSection) section, newNode);
 275                                                 newParagraph.moveBelow(currentParagraph);
 276                                                 toLayout.add(newParagraph);
 277
 278                                                 currentParagraph = newParagraph;
 279                                                 currentParagraphN = newNode;
 280                                         }
 281                                         persistChanges(sectionNode);
 282                                 }
 283                                 // TODO or rather return the created paragarphs?
 284                                 layout(toLayout.toArray(new Control[toLayout.size()]));
 285                         }
 286                 }
 287         }
 288
 289         protected void saveLine(EditablePart part, String line) {
 290                 if (part instanceof NodePart) {
 291                         saveLine(((NodePart) part).getNode(), line);
 292                 } else if (part instanceof PropertyPart) {
 293                         saveLine(((PropertyPart) part).getProperty(), line);
 294                 } else {
 295                         throw new CmsException("Unsupported part " + part);
 296                 }
 297         }
 298
 299         protected void saveLine(Item item, String line) {
 300                 line = line.trim();
 301                 textInterpreter.write(item, line);
 302         }
 303
 304         @Override
 305         protected void prepare(EditablePart part, Object caretPosition) {
 306                 Control control = part.getControl();
 307                 if (control instanceof Text) {
 308                         Text text = (Text) control;
 309                         if (caretPosition != null)
 310                                 if (caretPosition instanceof Integer)
 311                                         text.setSelection((Integer) caretPosition);
 312                                 else if (caretPosition instanceof Point) {
 313                                         // TODO find a way to position the caret at the right place
 314                                 }
 315                         text.setData(RWT.ACTIVE_KEYS, new String[] { "BACKSPACE", "ESC",
 316                                         "TAB", "SHIFT+TAB", "ALT+ARROW_LEFT", "ALT+ARROW_RIGHT",
 317                                         "ALT+ARROW_UP", "ALT+ARROW_DOWN", "RETURN", "CTRL+RETURN",
 318                                         "ENTER", "DELETE" });
 319                         text.setData(RWT.CANCEL_KEYS, new String[] { "RETURN",
 320                                         "ALT+ARROW_LEFT", "ALT+ARROW_RIGHT" });
 321                         text.addKeyListener(this);
 322                 } else if (part instanceof Img) {
 323                         ((Img) part).setFileUploadListener(fileUploadListener);
 324                 }
 325         }
 326
 327         // REQUIRED BY CONTEXT MENU
 328         void setParagraphStyle(Paragraph paragraph, String style) {
 329                 try {
 330                         Node paragraphNode = paragraph.getNode();
 331                         paragraphNode.setProperty(CMS_STYLE, style);
 332                         persistChanges(paragraphNode);
 333                         updateContent(paragraph);
 334                         layout(paragraph);
 335                 } catch (RepositoryException e1) {
 336                         throw new CmsException("Cannot set style " + style + " on "
 337                                         + paragraph, e1);
 338                 }
 339         }
 340
 341         void deletePart(SectionPart paragraph) {
 342                 try {
 343                         Node paragraphNode = paragraph.getNode();
 344                         Section section = paragraph.getSection();
 345                         Session session = paragraphNode.getSession();
 346                         paragraphNode.remove();
 347                         session.save();
 348                         if (paragraph instanceof Control)
 349                                 ((Control) paragraph).dispose();
 350                         layout(section);
 351                 } catch (RepositoryException e1) {
 352                         throw new CmsException("Cannot delete " + paragraph, e1);
 353                 }
 354         }
 355
 356         String getRawParagraphText(Paragraph paragraph) {
 357                 return textInterpreter.raw(paragraph.getNode());
 358         }
 359
 360         // COMMANDS
 361         protected void splitEdit() {
 362                 checkEdited();
 363                 try {
 364                         if (getEdited() instanceof Paragraph) {
 365                                 Paragraph paragraph = (Paragraph) getEdited();
 366                                 Text text = (Text) paragraph.getControl();
 367                                 int caretPosition = text.getCaretPosition();
 368                                 String txt = text.getText();
 369                                 String first = txt.substring(0, caretPosition);
 370                                 String second = txt.substring(caretPosition);
 371                                 Node firstNode = paragraph.getNode();
 372                                 Node sectionNode = firstNode.getParent();
 373                                 firstNode.setProperty(CMS_CONTENT, first);
 374                                 Node secondNode = sectionNode.addNode(CMS_P);
 375                                 secondNode.addMixin(CmsTypes.CMS_STYLED);
 376                                 // second node was create as last, if it is not the next one, it
 377                                 // means there are some in between and we can take the one at
 378                                 // index+1 for the re-order
 379                                 if (secondNode.getIndex() > firstNode.getIndex() + 1) {
 380                                         sectionNode.orderBefore(p(secondNode.getIndex()),
 381                                                         p(firstNode.getIndex() + 1));
 382                                 }
 383
 384                                 // if we die in between, at least we still have the whole text
 385                                 // in the first node
 386                                 try {
 387                                         textInterpreter.write(secondNode, second);
 388                                         textInterpreter.write(firstNode, first);
 389                                 } catch (Exception e) {
 390                                         // so that no additional nodes are created:
 391                                         JcrUtils.discardUnderlyingSessionQuietly(firstNode);
 392                                         throw e;
 393                                 }
 394
 395                                 persistChanges(firstNode);
 396
 397                                 Paragraph secondParagraph = paragraphSplitted(paragraph,
 398                                                 secondNode);
 399                                 edit(secondParagraph, 0);
 400                         } else if (getEdited() instanceof SectionTitle) {
 401                                 SectionTitle sectionTitle = (SectionTitle) getEdited();
 402                                 Text text = (Text) sectionTitle.getControl();
 403                                 String txt = text.getText();
 404                                 int caretPosition = text.getCaretPosition();
 405                                 Section section = sectionTitle.getSection();
 406                                 Node sectionNode = section.getNode();
 407                                 Node paragraphNode = sectionNode.addNode(CMS_P);
 408                                 paragraphNode.addMixin(CmsTypes.CMS_STYLED);
 409                                 textInterpreter.write(paragraphNode,
 410                                                 txt.substring(caretPosition));
 411                                 textInterpreter.write(
 412                                                 sectionNode.getProperty(Property.JCR_TITLE),
 413                                                 txt.substring(0, caretPosition));
 414                                 sectionNode.orderBefore(p(paragraphNode.getIndex()), p(1));
 415                                 persistChanges(sectionNode);
 416
 417                                 Paragraph paragraph = sectionTitleSplitted(sectionTitle,
 418                                                 paragraphNode);
 419                                 // section.layout();
 420                                 edit(paragraph, 0);
 421                         }
 422                 } catch (RepositoryException e) {
 423                         throw new CmsException("Cannot split " + getEdited(), e);
 424                 }
 425         }
 426
 427         protected void mergeWithPrevious() {
 428                 checkEdited();
 429                 try {
 430                         Paragraph paragraph = (Paragraph) getEdited();
 431                         Text text = (Text) paragraph.getControl();
 432                         String txt = text.getText();
 433                         Node paragraphNode = paragraph.getNode();
 434                         if (paragraphNode.getIndex() == 1)
 435                                 return;// do nothing
 436                         Node sectionNode = paragraphNode.getParent();
 437                         Node previousNode = sectionNode
 438                                         .getNode(p(paragraphNode.getIndex() - 1));
 439                         String previousTxt = textInterpreter.read(previousNode);
 440                         textInterpreter.write(previousNode, previousTxt + txt);
 441                         paragraphNode.remove();
 442                         persistChanges(sectionNode);
 443
 444                         Paragraph previousParagraph = paragraphMergedWithPrevious(
 445                                         paragraph, previousNode);
 446                         edit(previousParagraph, previousTxt.length());
 447                 } catch (RepositoryException e) {
 448                         throw new CmsException("Cannot stop editing", e);
 449                 }
 450         }
 451
 452         protected void mergeWithNext() {
 453                 checkEdited();
 454                 try {
 455                         Paragraph paragraph = (Paragraph) getEdited();
 456                         Text text = (Text) paragraph.getControl();
 457                         String txt = text.getText();
 458                         Node paragraphNode = paragraph.getNode();
 459                         Node sectionNode = paragraphNode.getParent();
 460                         NodeIterator paragraphNodes = sectionNode.getNodes(CMS_P);
 461                         long size = paragraphNodes.getSize();
 462                         if (paragraphNode.getIndex() == size)
 463                                 return;// do nothing
 464                         Node nextNode = sectionNode
 465                                         .getNode(p(paragraphNode.getIndex() + 1));
 466                         String nextTxt = textInterpreter.read(nextNode);
 467                         textInterpreter.write(paragraphNode, txt + nextTxt);
 468
 469                         Section section = paragraph.getSection();
 470                         Paragraph removed = (Paragraph) section.getSectionPart(nextNode
 471                                         .getIdentifier());
 472
 473                         nextNode.remove();
 474                         persistChanges(sectionNode);
 475
 476                         paragraphMergedWithNext(paragraph, removed);
 477                         edit(paragraph, txt.length());
 478                 } catch (RepositoryException e) {
 479                         throw new CmsException("Cannot stop editing", e);
 480                 }
 481         }
 482
 483         protected synchronized void upload(EditablePart part) {
 484                 try {
 485                         if (part instanceof SectionPart) {
 486                                 SectionPart sectionPart = (SectionPart) part;
 487                                 Node partNode = sectionPart.getNode();
 488                                 int partIndex = partNode.getIndex();
 489                                 Section section = sectionPart.getSection();
 490                                 Node sectionNode = section.getNode();
 491
 492                                 if (part instanceof Paragraph) {
 493                                         Node newNode = sectionNode.addNode(CMS_P, NodeType.NT_FILE);
 494                                         newNode.addNode(Node.JCR_CONTENT, NodeType.NT_RESOURCE);
 495                                         JcrUtils.copyBytesAsFile(sectionNode,
 496                                                         p(newNode.getIndex()), new byte[0]);
 497                                         if (partIndex < newNode.getIndex() - 1) {
 498                                                 // was not last
 499                                                 sectionNode.orderBefore(p(newNode.getIndex()),
 500                                                                 p(partIndex - 1));
 501                                         }
 502                                         // sectionNode.orderBefore(p(partNode.getIndex()),
 503                                         // p(newNode.getIndex()));
 504                                         persistChanges(sectionNode);
 505                                         Img img = newImg((TextSection) section, newNode);
 506                                         edit(img, null);
 507                                         layout(img.getControl());
 508                                 } else if (part instanceof Img) {
 509                                         if (getEdited() == part)
 510                                                 return;
 511                                         edit(part, null);
 512                                         layout(part.getControl());
 513                                 }
 514                         }
 515                 } catch (RepositoryException e) {
 516                         throw new CmsException("Cannot upload", e);
 517                 }
 518         }
 519
 520         protected void deepen() {
 521                 if (flat)
 522                         return;
 523                 checkEdited();
 524                 try {
 525                         if (getEdited() instanceof Paragraph) {
 526                                 Paragraph paragraph = (Paragraph) getEdited();
 527                                 Text text = (Text) paragraph.getControl();
 528                                 String txt = text.getText();
 529                                 Node paragraphNode = paragraph.getNode();
 530                                 Section section = paragraph.getSection();
 531                                 Node sectionNode = section.getNode();
 532                                 // main title
 533                                 if (section == mainSection && section instanceof TextSection
 534                                                 && paragraphNode.getIndex() == 1
 535                                                 && !sectionNode.hasProperty(JCR_TITLE)) {
 536                                         SectionTitle sectionTitle = prepareSectionTitle(section,
 537                                                         txt);
 538                                         edit(sectionTitle, 0);
 539                                         return;
 540                                 }
 541                                 Node newSectionNode = sectionNode.addNode(CMS_H,
 542                                                 CmsTypes.CMS_SECTION);
 543                                 sectionNode.orderBefore(h(newSectionNode.getIndex()), h(1));
 544
 545                                 int paragraphIndex = paragraphNode.getIndex();
 546                                 String sectionPath = sectionNode.getPath();
 547                                 String newSectionPath = newSectionNode.getPath();
 548                                 while (sectionNode.hasNode(p(paragraphIndex + 1))) {
 549                                         Node parag = sectionNode.getNode(p(paragraphIndex + 1));
 550                                         sectionNode.getSession().move(
 551                                                         sectionPath + '/' + p(paragraphIndex + 1),
 552                                                         newSectionPath + '/' + CMS_P);
 553                                         SectionPart sp = section.getSectionPart(parag
 554                                                         .getIdentifier());
 555                                         if (sp instanceof Control)
 556                                                 ((Control) sp).dispose();
 557                                 }
 558                                 // create property
 559                                 newSectionNode.setProperty(Property.JCR_TITLE, "");
 560                                 getTextInterpreter().write(
 561                                                 newSectionNode.getProperty(Property.JCR_TITLE), txt);
 562
 563                                 TextSection newSection = new TextSection(section,
 564                                                 section.getStyle(), newSectionNode);
 565                                 newSection.setLayoutData(CmsUiUtils.fillWidth());
 566                                 newSection.moveBelow(paragraph);
 567
 568                                 // dispose
 569                                 paragraphNode.remove();
 570                                 paragraph.dispose();
 571
 572                                 refresh(newSection);
 573                                 newSection.getParent().layout();
 574                                 layout(newSection);
 575                                 persistChanges(sectionNode);
 576                         } else if (getEdited() instanceof SectionTitle) {
 577                                 SectionTitle sectionTitle = (SectionTitle) getEdited();
 578                                 Section section = sectionTitle.getSection();
 579                                 Section parentSection = section.getParentSection();
 580                                 if (parentSection == null)
 581                                         return;// cannot deepen main section
 582                                 Node sectionN = section.getNode();
 583                                 Node parentSectionN = parentSection.getNode();
 584                                 if (sectionN.getIndex() == 1)
 585                                         return;// cannot deepen first section
 586                                 Node previousSectionN = parentSectionN.getNode(h(sectionN
 587                                                 .getIndex() - 1));
 588                                 NodeIterator subSections = previousSectionN.getNodes(CMS_H);
 589                                 int subsectionsCount = (int) subSections.getSize();
 590                                 previousSectionN.getSession().move(
 591                                                 sectionN.getPath(),
 592                                                 previousSectionN.getPath() + "/"
 593                                                                 + h(subsectionsCount + 1));
 594                                 section.dispose();
 595                                 TextSection newSection = new TextSection(section,
 596                                                 section.getStyle(), sectionN);
 597                                 refresh(newSection);
 598                                 persistChanges(previousSectionN);
 599                         }
 600                 } catch (RepositoryException e) {
 601                         throw new CmsException("Cannot deepen " + getEdited(), e);
 602                 }
 603         }
 604
 605         protected void undeepen() {
 606                 if (flat)
 607                         return;
 608                 checkEdited();
 609                 try {
 610                         if (getEdited() instanceof Paragraph) {
 611                                 upload(getEdited());
 612                         } else if (getEdited() instanceof SectionTitle) {
 613                                 SectionTitle sectionTitle = (SectionTitle) getEdited();
 614                                 Section section = sectionTitle.getSection();
 615                                 Node sectionNode = section.getNode();
 616                                 Section parentSection = section.getParentSection();
 617                                 if (parentSection == null)
 618                                         return;// cannot undeepen main section
 619
 620                                 // choose in which section to merge
 621                                 Section mergedSection;
 622                                 if (sectionNode.getIndex() == 1)
 623                                         mergedSection = section.getParentSection();
 624                                 else {
 625                                         Map<String, Section> parentSubsections = parentSection
 626                                                         .getSubSections();
 627                                         ArrayList<Section> lst = new ArrayList<Section>(
 628                                                         parentSubsections.values());
 629                                         mergedSection = lst.get(sectionNode.getIndex() - 1);
 630                                 }
 631                                 Node mergedNode = mergedSection.getNode();
 632                                 boolean mergedHasSubSections = mergedNode.hasNode(CMS_H);
 633
 634                                 // title as paragraph
 635                                 Node newParagrapheNode = mergedNode.addNode(CMS_P);
 636                                 newParagrapheNode.addMixin(CmsTypes.CMS_STYLED);
 637                                 if (mergedHasSubSections)
 638                                         mergedNode.orderBefore(p(newParagrapheNode.getIndex()),
 639                                                         h(1));
 640                                 String txt = getTextInterpreter().read(
 641                                                 sectionNode.getProperty(Property.JCR_TITLE));
 642                                 getTextInterpreter().write(newParagrapheNode, txt);
 643                                 // move
 644                                 NodeIterator paragraphs = sectionNode.getNodes(CMS_P);
 645                                 while (paragraphs.hasNext()) {
 646                                         Node p = paragraphs.nextNode();
 647                                         SectionPart sp = section.getSectionPart(p.getIdentifier());
 648                                         if (sp instanceof Control)
 649                                                 ((Control) sp).dispose();
 650                                         mergedNode.getSession().move(p.getPath(),
 651                                                         mergedNode.getPath() + '/' + CMS_P);
 652                                         if (mergedHasSubSections)
 653                                                 mergedNode.orderBefore(p(p.getIndex()), h(1));
 654                                 }
 655
 656                                 Iterator<Section> subsections = section.getSubSections()
 657                                                 .values().iterator();
 658                                 // NodeIterator sections = sectionNode.getNodes(CMS_H);
 659                                 while (subsections.hasNext()) {
 660                                         Section subsection = subsections.next();
 661                                         Node s = subsection.getNode();
 662                                         mergedNode.getSession().move(s.getPath(),
 663                                                         mergedNode.getPath() + '/' + CMS_H);
 664                                         subsection.dispose();
 665                                 }
 666
 667                                 // remove section
 668                                 section.getNode().remove();
 669                                 section.dispose();
 670
 671                                 refresh(mergedSection);
 672                                 mergedSection.getParent().layout();
 673                                 layout(mergedSection);
 674                                 persistChanges(mergedNode);
 675                         }
 676                 } catch (RepositoryException e) {
 677                         throw new CmsException("Cannot undeepen " + getEdited(), e);
 678                 }
 679         }
 680
 681         // UI CHANGES
 682         protected Paragraph paragraphSplitted(Paragraph paragraph, Node newNode)
 683                         throws RepositoryException {
 684                 Section section = paragraph.getSection();
 685                 updateContent(paragraph);
 686                 Paragraph newParagraph = newParagraph((TextSection) section, newNode);
 687                 newParagraph.setLayoutData(CmsUiUtils.fillWidth());
 688                 newParagraph.moveBelow(paragraph);
 689                 layout(paragraph.getControl(), newParagraph.getControl());
 690                 return newParagraph;
 691         }
 692
 693         protected Paragraph sectionTitleSplitted(SectionTitle sectionTitle,
 694                         Node newNode) throws RepositoryException {
 695                 updateContent(sectionTitle);
 696                 Paragraph newParagraph = newParagraph(sectionTitle.getSection(),
 697                                 newNode);
 698                 // we assume beforeFirst is not null since there was a sectionTitle
 699                 newParagraph.moveBelow(sectionTitle.getSection().getHeader());
 700                 layout(sectionTitle.getControl(), newParagraph.getControl());
 701                 return newParagraph;
 702         }
 703
 704         protected Paragraph paragraphMergedWithPrevious(Paragraph removed,
 705                         Node remaining) throws RepositoryException {
 706                 Section section = removed.getSection();
 707                 removed.dispose();
 708
 709                 Paragraph paragraph = (Paragraph) section.getSectionPart(remaining
 710                                 .getIdentifier());
 711                 updateContent(paragraph);
 712                 layout(paragraph.getControl());
 713                 return paragraph;
 714         }
 715
 716         protected void paragraphMergedWithNext(Paragraph remaining,
 717                         Paragraph removed) throws RepositoryException {
 718                 removed.dispose();
 719                 updateContent(remaining);
 720                 layout(remaining.getControl());
 721         }
 722
 723         // UTILITIES
 724         protected String p(Integer index) {
 725                 StringBuilder sb = new StringBuilder(6);
 726                 sb.append(CMS_P).append('[').append(index).append(']');
 727                 return sb.toString();
 728         }
 729
 730         protected String h(Integer index) {
 731                 StringBuilder sb = new StringBuilder(5);
 732                 sb.append(CMS_H).append('[').append(index).append(']');
 733                 return sb.toString();
 734         }
 735
 736         // GETTERS / SETTERS
 737         public Section getMainSection() {
 738                 return mainSection;
 739         }
 740
 741         public boolean isFlat() {
 742                 return flat;
 743         }
 744
 745         public TextInterpreter getTextInterpreter() {
 746                 return textInterpreter;
 747         }
 748
 749         // KEY LISTENER
 750         @Override
 751         public void keyPressed(KeyEvent ke) {
 752                 if (log.isTraceEnabled())
 753                         log.trace(ke);
 754
 755                 if (getEdited() == null)
 756                         return;
 757                 boolean altPressed = (ke.stateMask & SWT.ALT) != 0;
 758                 boolean shiftPressed = (ke.stateMask & SWT.SHIFT) != 0;
 759                 boolean ctrlPressed = (ke.stateMask & SWT.CTRL) != 0;
 760
 761                 try {
 762                         // Common
 763                         if (ke.keyCode == SWT.ESC) {
 764                                 cancelEdit();
 765                         } else if (ke.character == '\r') {
 766                                 splitEdit();
 767                         } else if (ke.character == 'S') {
 768                                 if (ctrlPressed)
 769                                         saveEdit();
 770                         } else if (ke.character == '\t') {
 771                                 if (!shiftPressed) {
 772                                         deepen();
 773                                 } else if (shiftPressed) {
 774                                         undeepen();
 775                                 }
 776                         } else {
 777                                 if (getEdited() instanceof Paragraph) {
 778                                         Paragraph paragraph = (Paragraph) getEdited();
 779                                         Section section = paragraph.getSection();
 780                                         if (altPressed && ke.keyCode == SWT.ARROW_RIGHT) {
 781                                                 edit(section.nextSectionPart(paragraph), 0);
 782                                         } else if (altPressed && ke.keyCode == SWT.ARROW_LEFT) {
 783                                                 edit(section.previousSectionPart(paragraph), 0);
 784                                         } else if (ke.character == SWT.BS) {
 785                                                 Text text = (Text) paragraph.getControl();
 786                                                 int caretPosition = text.getCaretPosition();
 787                                                 if (caretPosition == 0) {
 788                                                         mergeWithPrevious();
 789                                                 }
 790                                         } else if (ke.character == SWT.DEL) {
 791                                                 Text text = (Text) paragraph.getControl();
 792                                                 int caretPosition = text.getCaretPosition();
 793                                                 int charcount = text.getCharCount();
 794                                                 if (caretPosition == charcount) {
 795                                                         mergeWithNext();
 796                                                 }
 797                                         }
 798                                 }
 799                         }
 800                 } catch (Exception e) {
 801                         ke.doit = false;
 802                         notifyEditionException(e);
 803                 }
 804         }
 805
 806         @Override
 807         public void keyReleased(KeyEvent e) {
 808         }
 809
 810         // MOUSE LISTENER
 811         @Override
 812         protected MouseListener createMouseListener() {
 813                 return new ML();
 814         }
 815
 816         private class ML extends MouseAdapter {
 817                 private static final long serialVersionUID = 8526890859876770905L;
 818
 819                 @Override
 820                 public void mouseDoubleClick(MouseEvent e) {
 821                         if (e.button == 1) {
 822                                 Control source = (Control) e.getSource();
 823                                 if (getCmsEditable().canEdit()) {
 824                                         if (getCmsEditable().isEditing()
 825                                                         && !(getEdited() instanceof Img)) {
 826                                                 if (source == mainSection)
 827                                                         return;
 828                                                 EditablePart part = findDataParent(source);
 829                                                 upload(part);
 830                                         } else {
 831                                                 getCmsEditable().startEditing();
 832                                         }
 833                                 }
 834                         }
 835                 }
 836
 837                 @Override
 838                 public void mouseDown(MouseEvent e) {
 839                         if (getCmsEditable().isEditing()) {
 840                                 if (e.button == 1) {
 841                                         Control source = (Control) e.getSource();
 842                                         EditablePart composite = findDataParent(source);
 843                                         Point point = new Point(e.x, e.y);
 844                                         if (!(composite instanceof Img))
 845                                                 edit(composite, source.toDisplay(point));
 846                                 } else if (e.button == 3) {
 847                                         EditablePart composite = findDataParent((Control) e
 848                                                         .getSource());
 849                                         if (styledTools != null)
 850                                                 styledTools.show(composite, new Point(e.x, e.y));
 851                                 }
 852                         }
 853                 }
 854
 855                 @Override
 856                 public void mouseUp(MouseEvent e) {
 857                 }
 858         }
 859
 860         // FILE UPLOAD LISTENER
 861         private class FUL implements FileUploadListener {
 862                 public void uploadProgress(FileUploadEvent event) {
 863                         // TODO Monitor upload progress
 864                 }
 865
 866                 public void uploadFailed(FileUploadEvent event) {
 867                         throw new CmsException("Upload failed " + event,
 868                                         event.getException());
 869                 }
 870
 871                 public void uploadFinished(FileUploadEvent event) {
 872                         for (FileDetails file : event.getFileDetails()) {
 873                                 if (log.isDebugEnabled())
 874                                         log.debug("Received: " + file.getFileName());
 875                         }
 876                         mainSection.getDisplay().syncExec(new Runnable() {
 877                                 @Override
 878                                 public void run() {
 879                                         saveEdit();
 880                                 }
 881                         });
 882                         FileUploadHandler uploadHandler = (FileUploadHandler) event
 883                                         .getSource();
 884                         uploadHandler.dispose();
 885                 }
 886         }
 887 }