Java Code Examples for org.eclipse.jface.viewers.StructuredSelection#getFirstElement()

@Override
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
	if (part == null || selection == null) {
		return;
	}
	if (!(part instanceof TmxEditorViewer)) {
		return;
	}
	if (selection.isEmpty() || !(selection instanceof IStructuredSelection)) {
		return;
	}
	// tgtLangcodeInTmxEditor = TmxEditorViewer.getInstance().getTmxEditor().getTgtLang();
	StructuredSelection struct = (StructuredSelection) selection;
	Object obj = struct.getFirstElement();
	if (obj instanceof TmxEditorSelection) {
		currentSelected = (TmxEditorSelection) obj;
		tableViewerManager.get(TU_ATTRS).setInput(new TableViewerInput(TU_ATTRS, currentSelected));
		tableViewerManager.get(TUV_ATTRS).setInput(new TableViewerInput(TUV_ATTRS, currentSelected));
		tableViewerManager.get(TU_NODE_NOTE).setInput(null);
		tableViewerManager.get(TU_NODE_NOTE).setInput(new TableViewerInput(TU_NODE_NOTE, currentSelected));
		tableViewerManager.get(TU_NODE_PROPS).setInput(new TableViewerInput(TU_NODE_PROPS, currentSelected));
		compostie.layout();
		scrolledComposite.setMinSize(compostie.computeSize(SWT.DEFAULT, SWT.DEFAULT));
	}
}
 

@Override
protected void buttonPressed(int buttonId) {
	if (buttonId == 0) {
		StructuredSelection ss = (StructuredSelection) this.list
				.getSelection();
		IProject project = (IProject) ss.getFirstElement();
		path =project.getLocation().toString();
		File fileToRead = new File(path + File.separator + "config.xml");
		try {
			Config config = Config.loadXml(new FileInputStream(fileToRead));
			id = config.getId();

		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		initInfo();
		compileLoader(id);
		close();
		
		
	} else if (buttonId == 1) {
		close();
	}
}
 

@Override
public boolean isEnabled() {
	ISelection selection = selectionProvider.getSelection();
	if(selection.isEmpty() || !(selection instanceof StructuredSelection)) {
		return false;
	}
	StructuredSelection ss = (StructuredSelection) selection;
	if(ss.size() == 1 && ss.getFirstElement() instanceof IFileStore) {
		IFileStore fileStore = (IFileStore) ss.getFirstElement();
		if(!fileStore.fetchInfo().isDirectory()) {
			this.fileStore = fileStore;
			return true;
		}
		return false;
	}
	return false;
}
 

@Override
public void updateActionBars() {
	final StructuredSelection s = (StructuredSelection) getContext().getSelection();
	if (s.isEmpty()) {
		selection = null;
		return;
	}
	final Object o = s.getFirstElement();
	if (!(o instanceof WrappedSyntacticContent)) {
		selection = null;
		return;
	}
	selection = (WrappedSyntacticContent) o;
	runAction.selectionChanged(s);
	revealAction.selectionChanged(s);
}
 

/**
 * Finds the appropriate Table Cell siblings when SHIFT is pressed.
 * 
 * @param siblings
 * @param pStart
 * @param direction
 * @param exclude
 * @return
 */
protected List findTableCellSiblings( List siblings, Point pStart,
		int direction, EditPart exclude )
{
	AbstractCellEditPart start = (AbstractCellEditPart) exclude;
	AbstractTableEditPart parent = (AbstractTableEditPart) start.getParent( );

	StructuredSelection selection = (StructuredSelection) getViewer( ).getSelection( );
	Object obj = selection.getFirstElement( );

	if ( obj instanceof AbstractCellEditPart )
	{
		AbstractCellEditPart first = (AbstractCellEditPart) obj;
		Rectangle constraint = TableCellSelectionHelper.getSelectionRectangle( first,
				selection.toList( ) );

		boolean refined = TableCellSelectionHelper.increaseSelectionRectangle( constraint,
				parent );

		while ( refined )
		{
			refined = TableCellSelectionHelper.increaseSelectionRectangle( constraint,
					parent );
		}

		translateRectangle( parent, constraint, direction );

		alterRectangle( constraint, direction, parent );

		return TableCellSelectionHelper.getRectangleSelection( constraint,
				parent );
	}

	return NULL_LIST;
}
 

public CustomerUserInformationDefinitionNameValidator(final Organization organization, final ColumnViewer viewer) {
    final StructuredSelection structuredSelection = (StructuredSelection) viewer.getSelection();
    final CustomUserInfoDefinition selectedCustomUserDef = (CustomUserInfoDefinition) structuredSelection.getFirstElement();
    final String selectedDefinitionName = selectedCustomUserDef.getName();

    if (organization != null && organization.getCustomUserInfoDefinitions() != null
            && organization.getCustomUserInfoDefinitions().getCustomUserInfoDefinition() != null) {
        for (final CustomUserInfoDefinition def : organization.getCustomUserInfoDefinitions().getCustomUserInfoDefinition()) {
            if (!def.getName().equalsIgnoreCase(selectedDefinitionName)) {
                exisingNames.add(def.getName().toLowerCase());
            }
        }
    }
}
 

protected boolean validatePage() {
  	canFinish=false;	
  	StructuredSelection ss = (StructuredSelection)list.getSelection();
  	IProject p = (IProject)ss.getFirstElement();
if(project == null) {
	setPageComplete(false);
  		setErrorMessage("\u8BF7\u5148\u9009\u62E9\u4E00\u4E2A\u9879\u76EE!");
          return false;
}
      if ("".equals(pageName.getText()))
      {
      	setPageComplete(false);
      	setErrorMessage(Messages.PAGENAMEISNOTNULL);
          return false;
      }
      
      String fileName = pageName.getText() + "_window.html";

IResource resource = p.findMember(new Path("/html/" + fileName));
if(resource != null) {
	setPageComplete(false);
      	setErrorMessage("doub");
          return false;
}
  	setErrorMessage(null);
      setMessage(null);
      canFinish=true;	
  	return true;

  }
 

protected void buttonPressed(int buttonId) {
	if (buttonId == 0) {
		StructuredSelection ss = (StructuredSelection)this.list.getSelection();
		IProject project = (IProject)ss.getFirstElement();
		Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
		if(validate(getID(project),project)){
			
		
		final SyncApplicationDialog sad = new SyncApplicationDialog(shell, aMobiles,iMobiles, project);
		final CountDownLatch threadSignal = new CountDownLatch(aMobiles.size()+iMobiles.size());
		sad.open();
		sad.run(threadSignal);
		Job job = new WorkspaceJob("")
		{
			@Override
			public IStatus runInWorkspace(IProgressMonitor monitor)
					throws CoreException {
				try {
					threadSignal.await();
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
				sad.finish();
				return Status.OK_STATUS;
			}
		};
		job.schedule();
		close();
	}else if (buttonId == 1) {
		close();
	}else{
		close();
	}
	} else{
		close();
	}
}
 

@Override
public void selectionChanged(SelectionChangedEvent event){
	TreeViewer tv = (TreeViewer) event.getSource();
	StructuredSelection ss = (StructuredSelection) tv.getSelection();
	Object selected = null;
	Object firstElement = ss.isEmpty() ? null : ss.getFirstElement();
	if (firstElement instanceof BlockTreeViewerItem) {
		selected = ((BlockTreeViewerItem) firstElement).getBlock();
	}
	tvfa.updateSelection((Identifiable) selected);
	if (selected != null) {
		ContextServiceHolder.get().getRootContext().setTyped(selected);
	}
}
 

@Override
protected void updateButtonsEnableState(IStatus status) {
    Button okButton = getOkButton();
    StructuredSelection ss = getSelectedItems();
    if (ss.size() == 0 || (ss.getFirstElement() instanceof ListItem && ((ListItem)ss.getFirstElement()).isDelimiter())) {
        if (okButton != null && !okButton.isDisposed()) {
            okButton.setEnabled(false);
        }
    } else {
        super.updateButtonsEnableState(status);
    }
}
 

String getSelectedInvoiceType(){
	StructuredSelection ss = (StructuredSelection) comboViewerType.getSelection();
	if (!ss.isEmpty()) {
		Object firstElement = ss.getFirstElement();
		if (firstElement != ALL_ELEMENTS_LABEL) {
			return (String) firstElement;
		}
	}
	return null;
}
 

/**
 * @since 2.0
 */
@Override
protected void fillTimeGraphEntryContextMenu(@NonNull IMenuManager menuManager) {
    ISelection selection = getSite().getSelectionProvider().getSelection();
    if (selection instanceof StructuredSelection) {
        StructuredSelection sSel = (StructuredSelection) selection;
        if (sSel.getFirstElement() instanceof TimeGraphEntry) {
            TimeGraphEntry entry = (TimeGraphEntry) sSel.getFirstElement();
            ITmfTreeDataModel entryModel = entry.getEntryModel();
            if (entryModel instanceof ThreadEntryModel) {
                menuManager.add(new FollowThreadAction(ControlFlowView.this, entry.getName(), ((ThreadEntryModel) entryModel).getThreadId(), getTrace(entry)));
            }
        }
    }
}
 

/**
 * Find new selected item
 *
 * @param selection
 *            the selected element
 * @param rootEntry
 *            the element to search through recursively
 * @return the new selected element
 */
public static ISelection getNewSelection(ISelection selection, @NonNull ITmfTreeViewerEntry rootEntry) {
    if (selection instanceof StructuredSelection && !selection.isEmpty()) {
        StructuredSelection structuredSelection = (StructuredSelection) selection;
        Object element = structuredSelection.getFirstElement();
        if (element instanceof ITmfTreeViewerEntry) {
            ITmfTreeViewerEntry newSelection = findEquivalent(rootEntry, (ITmfTreeViewerEntry) element);
            return newSelection != null ? new StructuredSelection(newSelection) : StructuredSelection.EMPTY;
        }
    }
    return selection;
}
 

@Override
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
    ISelection sel = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection();
    if ((sel != null) && (sel instanceof StructuredSelection)) {
        StructuredSelection stSel = (StructuredSelection) sel;
        if (stSel.getFirstElement() instanceof TmfSyncMessage) {
            TmfSyncMessage syncMsg = ((TmfSyncMessage) stSel.getFirstElement());
            ITmfTimestamp startTime = syncMsg.getStartTime();
            if (startTime == null) {
                startTime = TmfTimestamp.BIG_BANG;
            }
            broadcast(new TmfSelectionRangeUpdatedSignal(this, startTime, startTime, fTrace));
        }
    }
}
 

public LeistungDTO getSelection(){
	if (tableViewer != null) {
		StructuredSelection structuredSelection =
			(StructuredSelection) tableViewer.getSelection();
		if (!structuredSelection.isEmpty()) {
			return (LeistungDTO) structuredSelection.getFirstElement();
		}
	}
	return null;
}
 

/**
 * get the String/the selected item/text for TEXT, MONEY, LINK, EXECLINK, LIST, COMBO, DATE. For
 * BOOL, BOOLTRISTATE it returns the label of the control.
 * 
 * @return
 */
public String getText(){
	if (viewer != null) {
		StructuredSelection ss = (StructuredSelection) viewer.getSelection();
		Object firstElement = ss.getFirstElement();
		if (firstElement == null) {
			return StringConstants.EMPTY;
		}
		if (firstElement instanceof INumericEnum) {
			return Integer.toString(((INumericEnum) firstElement).numericValue());
		}
		return ss.getFirstElement().toString();
	}
	
	if (ctl instanceof Text) {
		// for TEXT, MONEY, LINK, EXECLINK
		return ((Text) ctl).getText();
	} else if (ctl instanceof List) {
		List list = (List) ctl;
		String[] sel = list.getSelection();
		if (sel.length == 0) {
			return "";
		} else {
			return StringTool.join(sel, StringConstants.COMMA);
		}
	} else if (ctl instanceof Combo) {
		return ((Combo) ctl).getText();
	} else if (ctl instanceof Button) {
		return ((Button) ctl).getText();
	}
	return "";
}
 

private void updateDetailsPane(SelectionChangedEvent event) {
  StructuredSelection structuredSelection = (StructuredSelection) event.getSelection();
  if (structuredSelection == null || structuredSelection.isEmpty()) {
    scrolledFormDetailsText.setText("");
    return;
  }

  LogEntry<?> logEntry = (LogEntry<?>) (structuredSelection.getFirstElement());
  Color foregroundColor = logLabelProvider.getForeground(logEntry);
  scrolledFormDetailsText.setForeground(foregroundColor);

  LogEntry.Data data = logEntry.getLogData();

  StringBuffer buf = new StringBuffer();
  buf.append("<p>");

  Date logEntryDate = new Date(data.getTimestamp());
  SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm:ss.SSS");
  buf.append(simpleDateFormat.format(logEntryDate));

  // Add the log level
  // FIXME: Need coloring here, for error entries.
  buf.append(" [");
  buf.append(logEntry.getLogData().getLogLevel());
  buf.append("]");

  // Add the module name
  buf.append(" [");
  buf.append(logEntry.getModuleHandle().getName());
  buf.append("] ");

  buf.append(buildLabelHtml(logEntry));
  buf.append("<br/>");

  // Add the detailed information, if available
  String details = buildDetailsHtml(logEntry.getLogData().getDetails());
  if (details.length() > 0) {
    buf.append("<br/>");
    buf.append(details);
    buf.append("<br/>");
  }

  /*
   * Add help information, if available.
   */
  String helpInfoURL = logEntry.getLogData().getHelpInfoURL();
  if (helpInfoURL.length() > 0) {
    String escapedHelpInfoURL = convertToHtmlContent(helpInfoURL);
    buf.append("<br/>");
    buf.append("See the following URL for additional information:<br/>");
    buf.append("<br/>");
    buf.append("<a href='");
    buf.append(escapedHelpInfoURL);
    buf.append("'>");
    buf.append(escapedHelpInfoURL);
    buf.append("</a>");
    buf.append("<br/>");
  } else {
    /*
     * TODO: We always defer to the Help Info URL, as the Help Info text is in
     * HTML, and we're not rendering HTML in this region as yet.
     */
  }
  buf.append("</p>");
  String text = buf.toString();
  scrolledFormDetailsTextContents = collapseHtmlFormatting(text);
  scrolledFormDetailsText.setText(text);
}
 

public String getLogLevel() {
  StructuredSelection logLevelSelection = (StructuredSelection) logLevelComboViewer.getSelection();
  return logLevelSelection.getFirstElement() != null ? logLevelSelection.getFirstElement().toString()
      : LogLevelArgumentProcessor.DEFAULT_LOG_LEVEL;
}
 

@Override
protected void okPressed(){
	List<ILabOrder> existing = LabOrder.getLabOrdersByOrderId(orderId.getText());
	if (existing != null) {
		String newOrderId = LabOrder.getNextOrderId();
		setErrorMessage(String.format(Messages.LaborVerordnungDialog_errorOrderNumber,
			orderId.getText(), newOrderId));
		orderId.setText(newOrderId);
		return;
	}
	
	final List<LabOrder> orders = createLabOrders(selectionComposite.getSelectedItems());
	ElexisEventDispatcher.reload(LabOrder.class);
	if (getSelectedUser() != null) {
		createReminder(getSelectedUser(), orders);
	}
	
	saveLastSelectedUser();
	
	StructuredSelection externSelection = (StructuredSelection) externViewer.getSelection();
	if (!externSelection.isEmpty()) {
		IExternLaborOrder extern = (IExternLaborOrder) externSelection.getFirstElement();
		extern.order(patient, orders);
	}
	
	// save print settings
	boolean doPrint = btnPrint.getSelection();
	CoreHub.userCfg.set(PREV_PRINT_SETTING, doPrint);
	
	if (doPrint) {
		UiDesk.getDisplay().asyncExec(new Runnable() {
			@Override
			public void run(){
				Patient pat = ElexisEventDispatcher.getSelectedPatient();
				try {
					IWorkbenchPage page =
						PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
					LabOrderView labOrderView = (LabOrderView) page.showView(LabOrderView.ID);
					labOrderView.createLabOrderPrint(pat, orders);
				} catch (PartInitException e) {
					e.printStackTrace();
				}
			}
		});
		
	}
	
	super.okPressed();
}
 

public String getLogLevel() {
  StructuredSelection logLevelSelection = (StructuredSelection) logLevelComboViewer.getSelection();
  return logLevelSelection.getFirstElement() != null ? logLevelSelection.getFirstElement().toString()
      : LogLevelArgumentProcessor.DEFAULT_LOG_LEVEL;
}