eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/MultiPageTaxonEditor.java

   1 /**
   2  * Copyright (C) 2007 EDIT
   3  * European Distributed Institute of Taxonomy
   4  * http://www.e-taxonomy.eu
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version 1.1
   7  * See LICENSE.TXT at the top of this package for the full license terms.
   8  */
   9
  10 package eu.etaxonomy.taxeditor.editor;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.UUID;
  15
  16 import org.eclipse.core.commands.operations.IUndoContext;
  17 import org.eclipse.core.commands.operations.UndoContext;
  18 import org.eclipse.core.runtime.IProgressMonitor;
  19 import org.eclipse.jface.dialogs.MessageDialog;
  20 import org.eclipse.ui.IEditorInput;
  21 import org.eclipse.ui.IEditorPart;
  22 import org.eclipse.ui.IEditorSite;
  23 import org.eclipse.ui.PartInitException;
  24 import org.eclipse.ui.forms.editor.FormEditor;
  25
  26 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  27 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  28 import eu.etaxonomy.cdm.model.common.CdmBase;
  29 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  30 import eu.etaxonomy.cdm.model.taxon.Taxon;
  31 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  32 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  33 import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
  34 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  35 import eu.etaxonomy.taxeditor.editor.name.container.AbstractGroupedContainer;
  36 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  37 import eu.etaxonomy.taxeditor.model.DataChangeBridge;
  38 import eu.etaxonomy.taxeditor.model.IDataChangeBehavior;
  39 import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
  40 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  41 import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
  42 import eu.etaxonomy.taxeditor.model.IPartContentHasMedia;
  43 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  44 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  45
  46 /**
  47  *
  48  * Generates the tabbed editor with <code>TaxonNameEditor</code> on top and tabs
  49  * for "Descriptions", "Concepts", "Geography", etc.
  50  *
  51  * @author p.ciardelli
  52  * @author n.hoffmann
  53  * @created 15.05.2008
  54  * @version 1.0
  55  */
  56 public class MultiPageTaxonEditor extends FormEditor implements
  57 IPartContentHasFactualData, IConversationEnabled, IPostOperationEnabled,
  58 IDirtyMarkable, IPartContentHasDetails, ISecuredEditor, IPartContentHasMedia {
  59
  60     /** Constant <code>ID="eu.etaxonomy.taxeditor.editor.taxon"{trunked}</code> */
  61     public static final String ID = "eu.etaxonomy.taxeditor.editor.taxon";
  62
  63     private boolean dirty;
  64
  65     private ConversationHolder conversation;
  66     private IDataChangeBehavior dataChangeBehavior;
  67     private IUndoContext undoContext;
  68
  69     private TaxonEditorInput input;
  70
  71     /**
  72      * <p>
  73      * Constructor for MultiPageTaxonEditor.
  74      * </p>
  75      */
  76     public MultiPageTaxonEditor() {
  77         super();
  78         undoContext = new UndoContext();
  79
  80     }
  81
  82     /** {@inheritDoc} */
  83     @Override
  84     public void dispose() {
  85         input.dispose();
  86         conversation.unregisterForDataStoreChanges(this);
  87         conversation.close();
  88         super.dispose();
  89     }
  90
  91     /*
  92      * (non-Javadoc)
  93      *
  94      * @see org.eclipse.ui.forms.editor.FormEditor#addPages()
  95      */
  96     /** {@inheritDoc} */
  97     @Override
  98     protected void addPages() {
  99         input = (TaxonEditorInput) getEditorInput();
 100         conversation = input.getConversationHolder();
 101         conversation.registerForDataStoreChanges(this);
 102
 103         try {
 104             addPage(Page.NAME.getIndex(), new TaxonNameEditor(this),
 105                     getEditorInput());
 106             // setPageText(Page.NAME.getIndex(), Page.NAME.getTitle());
 107
 108             // TODO lazy create
 109             // addPage(Page.DESCRIPTIVE.getIndex(), new
 110             // TaxonDescriptionTreeEditor(this), getEditorInput());
 111             // setPageText(Page.DESCRIPTIVE.getIndex(),
 112             // Page.DESCRIPTIVE.getTitle());
 113
 114             // EditorUtil.showPropertySheet();
 115
 116         } catch (PartInitException e) {
 117             MessagingUtils.error(getClass(), e);
 118         }
 119     }
 120
 121     /** {@inheritDoc} */
 122     @Override
 123     public void doSave(IProgressMonitor monitor) {
 124         monitor.beginTask("Saving Editor", 4);
 125         try {
 126             if (!conversation.isBound()) {
 127                 conversation.bind();
 128             }
 129             monitor.worked(1);
 130
 131             for (IEditorPart editorPage : getPages()) {
 132                 if (editorPage instanceof TaxonNameEditor) {
 133                     if (((TaxonNameEditor) editorPage).checkForEmptyNames()) {
 134                         MessageDialog.openWarning(AbstractUtility.getShell(), "No Name Specified",
 135                                 "An attempt was made to save a taxon or synonym with "
 136                                         + "an empty name. Operation was cancelled.");
 137                         return;
 138                     }
 139                 }
 140
 141                 editorPage.doSave(monitor);
 142                 monitor.worked(1);
 143             }
 144
 145             // commit the conversation and start a new transaction immediately
 146
 147             input.merge();
 148             conversation.commit(true);
 149             monitor.worked(1);
 150
 151             this.setDirty(false);
 152             monitor.worked(1);
 153         } catch (Exception e) {
 154             setFocus();
 155             MessagingUtils.operationDialog(this, e, TaxeditorEditorPlugin.PLUGIN_ID,"saving a taxon", " Please close and reopen the taxon again.");
 156             disableEditor(true);
 157         } finally {
 158             monitor.done();
 159         }
 160     }
 161
 162     private void disableEditor(boolean isOnError) {
 163         for (IMultiPageTaxonEditorPage editorPage : getPages()) {
 164             if(isOnError){
 165                 editorPage.setOnError();
 166             }else {
 167                 editorPage.setDisabled();
 168             }
 169         }
 170
 171         conversation.unregisterForDataStoreChanges(this);
 172         conversation.close();
 173         setDirty(false);
 174     }
 175
 176     private void setDirty(boolean dirty) {
 177         this.dirty = dirty;
 178         firePropertyChange(PROP_DIRTY);
 179     }
 180
 181     /*
 182      * (non-Javadoc)
 183      *
 184      * @see org.eclipse.ui.part.MultiPageEditorPart#isDirty()
 185      */
 186     /**
 187      * <p>
 188      * isDirty
 189      * </p>
 190      *
 191      * @return a boolean.
 192      */
 193     @Override
 194     public boolean isDirty() {
 195         return dirty;
 196     }
 197
 198     /*
 199      * (non-Javadoc)
 200      *
 201      * @see org.eclipse.ui.forms.editor.FormEditor#editorDirtyStateChanged()
 202      */
 203     /** {@inheritDoc} */
 204     @Override
 205     public void editorDirtyStateChanged() {
 206         dirty = true;
 207         super.editorDirtyStateChanged();
 208     }
 209
 210     /**
 211      * {@inheritDoc}
 212      *
 213      * Checks whether nested editors are calling
 214      * <code>firePropertyChange(PROP_DIRTY)</code> to signal an edit has taken
 215      * place before passing property change along to
 216      * <code>super.handlePropertyChange(int propertyId)</code>.
 217      */
 218     /*
 219      * (non-Javadoc)
 220      *
 221      * @see org.eclipse.ui.part.MultiPageEditorPart#handlePropertyChange(int)
 222      */
 223     @Override
 224     protected void handlePropertyChange(int propertyId) {
 225         if (propertyId == PROP_DIRTY) {
 226             setDirty(true);
 227         }
 228         super.handlePropertyChange(propertyId);
 229     }
 230
 231     /** {@inheritDoc} */
 232     @Override
 233     public void doSaveAs() {
 234     }
 235
 236     /** {@inheritDoc} */
 237     @Override
 238     public boolean isSaveAsAllowed() {
 239         return false;
 240     }
 241
 242     /** {@inheritDoc} */
 243     @Override
 244     public void init(IEditorSite site, IEditorInput input)
 245             throws PartInitException {
 246
 247         if (!(input instanceof TaxonEditorInput)) {
 248             throw new PartInitException(
 249                     "Invalid Input: Must be TaxonEditorInput");
 250         }
 251
 252         this.input = (TaxonEditorInput) input;
 253
 254
 255         // try {
 256         // // Listen for name changes,
 257         // // change tab for this taxon editor accordingly
 258         // getTaxon().addPropertyChangeListener("name",
 259         // new PropertyChangeListener() {
 260         // public void propertyChange(PropertyChangeEvent e) {
 261         // setPartName();
 262         // }
 263         // });
 264         // } catch (NullPointerException e) {
 265         // EditorUtil.warn(getClass(),
 266         // "Caught an NPE while initing an editor. This is most " +
 267         // "likely due to the unsuccesful attempt to restore the former " +
 268         // "state of the application. We ignore this because the workbench " +
 269         // "will simply be reset.");
 270         // }
 271         setPartName();
 272
 273         super.init(site, input);
 274     }
 275
 276     /**
 277      * Calls <code>MultiPageEditorPart.setPartName(String partName)</code> with
 278      * text appropriate to the state of the taxon: any taxon that has been saved
 279      * will by necessity have a name to display; a new taxon should display
 280      * "New taxon" in the editor tab.
 281      */
 282     protected void setPartName() {
 283
 284         String partName = null;
 285         TaxonNameBase<?, ?> name = getTaxon().getName();
 286
 287         if (name != null) {
 288             partName = name.getTitleCache();
 289         }
 290
 291         if (partName == null || partName.equals("")) {
 292             partName = ("New taxon");
 293         }
 294
 295         setPartName(partName);
 296     }
 297
 298     /**
 299      * {@inheritDoc}
 300      *
 301      * Editor pages call this in their postOperation to notify the
 302      * MultiPageTaxonEditor of unsaved changes
 303      */
 304     @Override
 305     public void changed(Object element) {
 306         // setDirty(true);
 307         dirty = true;
 308         super.editorDirtyStateChanged();
 309         if (element instanceof TaxonBase) {
 310             TaxonNameEditor page = (TaxonNameEditor) getPage(Page.NAME);
 311             AbstractGroupedContainer container = page.getContainer((TaxonBase) element);
 312             if (container != null) {
 313                 container.refresh();
 314             }
 315         }
 316         //refresh part title
 317         //TODO: refresh taxon node in taxon navigator
 318         setPartName();
 319     }
 320
 321     /* (non-Javadoc)
 322      * @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#forceDirty()
 323      */
 324     @Override
 325     public void forceDirty() {
 326         changed(null);
 327     }
 328
 329     /**
 330      * The accepted taxon that is the input for this editor
 331      *
 332      * @return the accepted taxon
 333      */
 334     public Taxon getTaxon() {
 335         return input.getTaxon();
 336     }
 337
 338     /*
 339      * (non-Javadoc)
 340      *
 341      * @see
 342      * eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder
 343      * ()
 344      */
 345     /**
 346      * <p>
 347      * getConversationHolder
 348      * </p>
 349      *
 350      * @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
 351      *         object.
 352      */
 353     @Override
 354     public ConversationHolder getConversationHolder() {
 355         return conversation;
 356     }
 357
 358     /**
 359      * <p>
 360      * setConversationHolder
 361      * </p>
 362      *
 363      * @param conversation
 364      *            a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
 365      *            object.
 366      */
 367     public void setConversationHolder(ConversationHolder conversation) {
 368         this.conversation = conversation;
 369     }
 370
 371     /**
 372      * <p>
 373      * Getter for the field <code>undoContext</code>.
 374      * </p>
 375      *
 376      * @return a {@link org.eclipse.core.commands.operations.IUndoContext}
 377      *         object.
 378      */
 379     public IUndoContext getUndoContext() {
 380         return undoContext;
 381     }
 382
 383     /**
 384      * <p>
 385      * Setter for the field <code>undoContext</code>.
 386      * </p>
 387      *
 388      * @param undoContext
 389      *            a {@link org.eclipse.core.commands.operations.IUndoContext}
 390      *            object.
 391      */
 392     public void setUndoContext(IUndoContext undoContext) {
 393         this.undoContext = undoContext;
 394     }
 395
 396     /** {@inheritDoc} */
 397     @Override
 398     public void setFocus() {
 399         // logger.warn("Setting focus to editor");
 400         // bind the conversation
 401         getConversationHolder().bind();
 402         input.bind();
 403         // pass focus to the active editor page
 404         getActiveEditor().setFocus();
 405     }
 406
 407     /*
 408      * (non-Javadoc)
 409      *
 410      * @see
 411      * eu.etaxonomy.cdm.persistence.hibernate.ICdmPostCrudObserver#update(eu
 412      * .etaxonomy.cdm.persistence.hibernate.CdmCrudEvent)
 413      */
 414     /** {@inheritDoc} */
 415     @Override
 416     public void update(CdmDataChangeMap events) {
 417         if (dataChangeBehavior == null) {
 418             dataChangeBehavior = new MultiPageTaxonEditorDataChangeBehaviour(this);
 419         }
 420
 421         DataChangeBridge.handleDataChange(events, dataChangeBehavior);
 422     }
 423
 424     /*
 425      * (non-Javadoc)
 426      *
 427      * @see
 428      * eu.etaxonomy.taxeditor.store.operations.IPostOperationEnabled#postOperation
 429      * ()
 430      */
 431     /** {@inheritDoc} */
 432     @Override
 433     public boolean postOperation(CdmBase objectAffectedByOperation) {
 434                 setDirty(true);
 435
 436         for (IEditorPart editor : this.getPages()) {
 437             if (editor instanceof IPostOperationEnabled) {
 438                 ((IPostOperationEnabled) editor).postOperation(objectAffectedByOperation);
 439             } else {
 440                 MessagingUtils.warn(getClass(), "postOperation not enabled for editor " + editor);
 441             }
 442         }
 443         MessagingUtils.warn(getClass(), "postOperation called on MultiPageTaxonEditor. Can you make it more specific?");
 444
 445         return false;
 446     }
 447
 448     /**
 449      * Returns an <code>IEditorPart</code> implementation by type
 450      *
 451      * @param page
 452      *            the page type
 453      * @return a {@link eu.etaxonomy.taxeditor.editor.IMultiPageTaxonEditorPage}
 454      *         object.
 455      */
 456     public IMultiPageTaxonEditorPage getPage(Page page) {
 457         for (IEditorPart editor : this.getPages()) {
 458             if (editor.getClass().equals(page.getClazz())) {
 459                 return (IMultiPageTaxonEditorPage) editor;
 460             }
 461         }
 462         return null;
 463     }
 464
 465     /**
 466      * Return a list of <code>AbstractTaxonEditor</code>s registered with this
 467      * <code>MultiPageTaxonEditor</code>.
 468      *
 469      * @return a {@link java.util.List} object.
 470      */
 471     public List<IMultiPageTaxonEditorPage> getPages() {
 472         ArrayList<IMultiPageTaxonEditorPage> editors = new ArrayList<IMultiPageTaxonEditorPage>();
 473         for (int i = 0; i < this.getPageCount(); i++) {
 474
 475             editors.add((IMultiPageTaxonEditorPage) this.getEditor(i));
 476         }
 477         return editors;
 478     }
 479
 480     /**
 481      * Refreshes a certain page of the MultipageTaxonEditor
 482      *
 483      * @param page
 484      *            a {@link eu.etaxonomy.taxeditor.editor.Page} object.
 485      * @return a boolean.
 486      */
 487     public boolean redraw(Page page) {
 488         return redraw(page, true);
 489     }
 490
 491     /**
 492      * Refreshes a certain page of the MultipageTaxonEditor and sets focus to
 493      * that page
 494      *
 495      * @param page
 496      *            a {@link eu.etaxonomy.taxeditor.editor.Page} object.
 497      * @param focus
 498      *            a boolean.
 499      * @return a boolean.
 500      */
 501     public boolean redraw(Page page, boolean focus) {
 502         IMultiPageTaxonEditorPage editorPage = getPage(page);
 503         return editorPage != null && editorPage.redraw(focus);
 504     }
 505
 506     /**
 507      * <p>
 508      * onComplete
 509      * </p>
 510      *
 511      * @return a boolean.
 512      */
 513     @Override
 514     public boolean onComplete() {
 515         return false;
 516     }
 517
 518     /**
 519      * Reloads the data for this
 520      */
 521     public void reload() {
 522         if (isDirty()) {
 523             MessagingUtils.warningDialog("Editor has unsaved data", getClass(), "This editor can not be "
 524                     + "refreshed because it contains unsaved data. Refreshing "
 525                     + "this editor would discard the changes. Please save this editor, "
 526                     + "close and reopen it manually in order to get the latest content");
 527         } else {
 528             TaxonEditorInput input = (TaxonEditorInput) getEditorInput();
 529
 530             UUID uuid = input.getTaxonNode().getUuid();
 531
 532             conversation.clear();
 533
 534             try {
 535                 TaxonEditorInput newInput = TaxonEditorInput.NewInstance(uuid);
 536                 setInput(newInput);
 537                 for (IMultiPageTaxonEditorPage editorPart : getPages()) {
 538                     editorPart.redraw();
 539                 }
 540             } catch (Exception e) {
 541                 MessagingUtils.messageDialog("Error refreshing editor", getClass(), "Could not refresh this editor", e);
 542             }
 543         }
 544     }
 545
 546     @Override
 547     public String toString() {
 548         return String.format("%s[%s]", this.getClass().getSimpleName(), getEditorInput());
 549     }
 550
 551     @Override
 552     public boolean permissionsSatisfied() {
 553         IEditorPart activeEditor = getActiveEditor();
 554         if(activeEditor != null && ISecuredEditor.class.isAssignableFrom(activeEditor.getClass())){
 555             return ((ISecuredEditor)activeEditor).permissionsSatisfied();
 556         }
 557         return true;
 558     }
 559
 560     /* (non-Javadoc)
 561      * @see eu.etaxonomy.taxeditor.model.IPartContentHasMedia#canAttachMedia()
 562      */
 563     @Override
 564     public boolean canAttachMedia() {
 565         return true;
 566     }
 567
 568 }