Laboratoire ICAR » Plateforme TXM

import org.apache.commons.lang.StringEscapeUtils;

import org.rosuda.REngine.REXP;

import org.txm.chartsengine.core.ChartsEngine;

import org.txm.core.messages.TXMCoreMessages;

import org.txm.statsengine.r.core.RWorkspace;

import org.txm.statsengine.r.core.exceptions.RWorkspaceException;

import org.txm.statsengine.r.core.messages.RCoreMessages;

import org.txm.utils.OSDetector;

import org.txm.utils.logger.Log;

/**

 * Wrap R plot methods

 * 

               style="push">

         </command>

      </menuContribution>

   </extension>

   <extension

         id="general"

            id="org.txm.rcp.commands.QuitHandler"

            name="%command.name.114">

      </command>

   </extension>

   <extension

         id="commands"

import org.txm.objects.CorpusBuild;

import org.txm.objects.Project;

import org.txm.objects.Workspace;

import org.txm.rcp.adapters.RCPProjectAdapterFactory;

import org.txm.searchengine.cqp.corpus.MainCorpus;

import org.txm.utils.logger.Log;

	 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)

	 */

	@Override

	/*

	 * (non-Javadoc)

 * <p>

 */

public class CorporaView extends ViewPart {

	/** The ID. */

	static public String ID = CorporaView.class.getName();

	/** The tree viewer. */

	public TreeViewer treeViewer;

	/**

	 * stores the class that are managed by a Doubleclick handler

	 */

	// private static HashMap<Class, Class> managedDoubleClickClasses = new HashMap<Class, Class>();

	public static HashMap<String, String> doubleClickInstalledCommands = new HashMap<>();

	// public static HashMap<Class, Class> getManagedDoubleClickClasses() {

	// return managedDoubleClickClasses;

	// }

	/**

	 * Gets the single instance of CorporaView.

	 *

	 * @return single instance of CorporaView

	 */

	public static CorporaView getInstance() {

	}

	public TreeViewer getTreeViewer() {

		return treeViewer;

	}

	/**

	 * Reload.

	 */

	public static void reload() {

		// System.out.println("Reload corpora view");

		CorporaView corporaView = getInstance();

			corporaView._reload();

	}

	/**

	 * _reload.

	 */

	public void _reload() {

		if (Toolbox.isInitialized()) {

			treeViewer.setContentProvider(new CorpusViewContentProvider(this));

			ColumnViewerToolTipSupport.enableFor(treeViewer);

			treeViewer.setLabelProvider(new CorpusViewLabelProvider(new WorkbenchLabelProvider(), PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));

			Workspace w = Toolbox.workspace;

			if (w == null) {

				return;

			treeViewer.refresh();

		}

	}

	/**

	 * This is a callback that will allow us to create the viewer and initialize

	 * it.

	 */

	@Override

	public void createPartControl(Composite parent) {

		treeViewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);

		PlatformUI.getWorkbench().getHelpSystem().setHelp(treeViewer.getControl(), TXMUIMessages.corpus);

		getSite().setSelectionProvider(treeViewer);

		treeViewer.setColumnProperties(new String[] { "name" }); // mandatory to enable edit mode -> used to identify columns //$NON-NLS-1$

		treeViewer.setContentProvider(new CorpusViewContentProvider(this));

		treeViewer.setLabelProvider(new DecoratingLabelProvider(new WorkbenchLabelProvider(), PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));

		// for now the sorter is used to sort the Corpus, Subcorpus and partition objects

		treeViewer.setSorter(new ViewerSorter() {

			@Override

			public int category(Object element) {

				if (element instanceof Subcorpus) return 2; // must do it before the Corpus test

				else if (element instanceof Partition) return 1;

				else return 3;

			}

			@Override

			public int compare(Viewer viewer, Object e1, Object e2) {

				int cat1 = category(e1);

				int cat2 = category(e2);

				if (cat1 != cat2) {

					return cat1 - cat2;

				}

				if (e1 instanceof TXMResult && e2 instanceof TXMResult) {

					return ((TXMResult) e1).compareTo((TXMResult) e2);

				}

				}

			}

		});

		// FIXME: SJ: to remove?

		// PlatformUI.getWorkbench().getHelpSystem().setHelp(treeViewer.getTree(), "org.txm.rcp.corporaView" //$NON-NLS-1$);

		treeViewer.getTree().addSelectionListener(new SelectionListener() {

			@Override

			public void widgetSelected(SelectionEvent e) {

				TreeItem[] sel = treeViewer.getTree().getSelection();

				if (sel.length == 0)

					return;

				CorporaSourceProvider.updateSelection(treeViewer.getSelection());

				CorporaView.this.setFocus(); // force focus on the corpora view -> ensure the active selection is the corpora view selection

				ISelection tsel = treeViewer.getSelection();

				if (!(tsel instanceof TreeSelection)) return;

				TreeSelection selection = (TreeSelection) treeViewer.getSelection();

				Object selectedItem = selection.getFirstElement();

				// FIXME: SJ tests, define here what to display

				if (selectedItem instanceof TXMResult) {

					TXMResult result = ((TXMResult) selectedItem);

					// }

					// StatusLine.setMessage(mess);

					// StatusLine.setMessage(((TXMResult)selectedItem).getComputingDoneMessage());

					if (result instanceof MainCorpus) { // just for this result type, pre-compute to show the corpus size

						try {

							result.compute(false);

							e1.printStackTrace();

						}

					}

					// Status bar

					//					if (!result.hasBeenComputedOnce() && !(result instanceof Partition)) { // FIXME: SJ: tmp fix for showing Partition parts

					//						StatusLine.setMessage("");

					//						// TODO uncomment when status line will be restored

					//						// StatusLine.setMessage(((TXMResult) selectedItem).getDetails());

					//					}

					// FIXME : MD re-enable status line on corpora view selection

					if (selectedItem instanceof TXMResult) {

						TXMResult r = ((TXMResult)selectedItem);

						String mess = null;

						try {mess = r.getSimpleDetails();}

							Log.warning(NLS.bind(TXMUIMessages.errorWhileGettingResultInformationsP0, e2));

							Log.printStackTrace(e2);

						}

						if (mess == null) mess = r.getName();

						StatusLine.setMessage(mess);

					}

				}

			}

			@Override

		});

		// double click listener installation from commands

		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

		ICommandService cmdService = window.getService(ICommandService.class);

				e1.printStackTrace();

			}

		}

		treeViewer.addDoubleClickListener(new IDoubleClickListener() {

			@Override

			public void doubleClick(DoubleClickEvent event) {

				TreeSelection selection = (TreeSelection) treeViewer.getSelection();

				Object selectedItem = selection.getFirstElement();

				if (selectedItem != null) {

					String commandId = doubleClickInstalledCommands.get(selectedItem.getClass().getName());

					if (commandId == null) {

						for (String clazz : doubleClickInstalledCommands.keySet()) {

							if (selectedItem.getClass().getSuperclass().getName().equals(clazz)) {

							}

						}

					}

					if (commandId != null) {

						BaseAbstractHandler.executeCommand(commandId);

					}

				}

			}

		});

		treeViewer.getTree().addKeyListener(new KeyAdapter() {

			@Override

			public void keyPressed(KeyEvent e) {

				boolean expert = TBXPreferences.getInstance().getBoolean(TBXPreferences.EXPERT_USER);

				if (expert && (char) e.keyCode == 'c' & ((e.stateMask & SWT.CTRL) != 0)) {

					Object o = treeViewer.getStructuredSelection().getFirstElement();

					if (o != null && o instanceof TXMResult) {

						CopyTXMResultTree.copy((IStructuredSelection) treeViewer.getSelection());

					}

				}

				else if (expert && (char) e.keyCode == 'x' & ((e.stateMask & SWT.CTRL) != 0)) {

					Object o = treeViewer.getStructuredSelection().getFirstElement();

					if (o != null && o instanceof TXMResult) {

						CutTXMResultTree.cut((IStructuredSelection) treeViewer.getSelection());

					}

				}

				else if (expert && (char) e.keyCode == 'v' & ((e.stateMask & SWT.CTRL) != 0)) {

					Object o = treeViewer.getStructuredSelection().getFirstElement();

					if (o != null && o instanceof TXMResult) {

						PasteTXMResultTree.paste((TXMResult) o);

					}

				} else if (e.keyCode == SWT.DEL) {

					final ISelection sel = treeViewer.getSelection();

					if (sel instanceof IStructuredSelection) {

						if (!DeleteObject.askContinueToDelete((IStructuredSelection) sel)) return;

						JobHandler job = new JobHandler(TXMUIMessages.deleting, true) {

							@Override

							protected IStatus run(IProgressMonitor monitor) {

								DeleteObject.delete(sel);

								this.syncExec(new Runnable() {

									@Override

									public void run() {

										refresh();

				// }

			}

		});

		final int IMAGE_MARGIN = 2;

		final Image icon = IImageKeys.getImage("icons/decorators/bullet_green.png"); //$NON-NLS-1$

		final Image icon_lock = IImageKeys.getImage("icons/decorators/lock.png"); //$NON-NLS-1$

		// FIXME: test to show icon for results that are user persistable

		// final Image icon = AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.gef","platform:/plugin/org.eclipse.gef/org/eclipse/gef/internal/icons/pinned.gif").createImage();

		// final Image icon = AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.team.svn.help","platform:/plugin/org.eclipse.team.svn.help/images/lock.gif").createImage();

		// treeViewer.getTree().addListener(SWT.MeasureItem, new Listener() {

		// public void handleEvent(Event event) {

		// TreeItem item = (TreeItem)event.item;

		// }

		// });

		treeViewer.getTree().addListener(SWT.PaintItem, new Listener() {

			@Override

			public void handleEvent(Event event) {

				if (event.item.getData() instanceof TXMResult && ((TXMResult) event.item.getData()).isLocked()) {

						int itemHeight = treeViewer.getTree().getItemHeight();

						int imageHeight = trailingImage.getBounds().height;

						int y = 2 + event.y + (itemHeight - imageHeight) / 2;

						event.gc.drawImage(icon_lock, x, y);

					}

				}

			}

		});

		MenuManager menuManager = new MenuManager();

		Menu menu = menuManager.createContextMenu(treeViewer.getTree());

		// Set the MenuManager

		treeViewer.getTree().setMenu(menu);

		getSite().registerContextMenu(menuManager, treeViewer);

		// Make the selection available

		getSite().setSelectionProvider(treeViewer);

		IContextService contextService = getSite().getService(IContextService.class);

		contextService.activateContext(ID);

	}

	/**

	 * Passing the focus request to the viewer's control.

	 */

	public void setFocus() {

		treeViewer.getControl().setFocus();

	}

	/**

	 * Gets the first selected object in the tree.

	 * 

		}

		return null;

	}

	/**

	 * Gets the selected objects in the tree.

	 * 

		}

		return null;

	}

	/**

	 * Selects some items.

	 * 

	 * @param arrayList

	 */

	public static void select(List<?> arrayList) {

		if (!PlatformUI.isWorkbenchRunning()) return;

		CorporaView corporaView = openView();

		if (corporaView != null) {

			StructuredSelection selection = new StructuredSelection(arrayList);

			corporaView.getTreeViewer().reveal(arrayList); // to be sure

		}

	}

	/**

	 * Opens the Corpora view if not already opened.

	 * 

		// open Unit View if not opened

		try {

			if (!PlatformUI.isWorkbenchRunning()) return null;

			IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();

			CorporaView view = (CorporaView) page.findView(CorporaView.ID);

			if (view == null) {

		}

		return null;

	}

	/**

	 * Refresh the tree view.

	 */

			// corporaView.treeViewer.expandAll(); // FIXME

		}

	}

	/**

	 * Refreshes the view and the tree.

	 *

	public static void refresh(CorporaView corporaView) {

		corporaView.treeViewer.refresh();

	}

	/**

	 * Refreshes the specified result node in the tree view.

	 * 

	 */

	public static void refreshObject(final TXMResult result) {

		Display.getDefault().syncExec(new Runnable() {

			@Override

			public void run() {

				CorporaView corporaView = getInstance();

				corporaView.treeViewer.refresh();

				try {

					CorporaView.expand(result.getParent());

				}

			}

		});

	}

	/**

	 * Refreshes the specified result node in the tree view, also synchronizes the TXMResult and the TXMEditor (as the editor part name from the result name, for example).

	 * 

	public static void refreshObject(TXMEditor editor) {

		refreshObject(editor.getResult());

	}

	/**

	 * Expands the specified tree node.

	 * 

			corporaView.treeViewer.expandToLevel(obj, 1);

		}

	}

	/**

	 * 

	 * @param obj

			corporaView.treeViewer.reveal(obj);

		}

	}

	/**

	 * Checks if the Corpora view is active.

	 *