org.eclipse.swt.custom.BusyIndicator Java Examples

/**
 * 访问api以验证 Key是否可用。 ;
 */
private void validator() {
	final String googleKey = googleKeyText.getText();
	BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {

		public void run() {
			// TODO Auto-generated method stub
			if (googleKey != null && !googleKey.trim().equals("")) {
				GoogleAPI.setHttpReferrer("http://www.heartsome.net");
				GoogleAPI.setKey(googleKey);
				try {
					String result = Translate.DEFAULT.execute("test", GoogleTransUtils.processLanguage("en-US"),
							GoogleTransUtils.processLanguage("zh-CN"));
					if (result.equals("测试")) {
						state = true;
					}
				} catch (GoogleAPIException e) {
					state = false;
				}
			} else {
				state = false;
			}
		}
	});
}
 

@Override
public void run() {
	if (fOperationCode == -1 || fOperationTarget == null)
		return;

	ITextEditor editor= getTextEditor();
	if (editor == null)
		return;

	if (!isReadOnlyOperation() && !validateEditorInputState())
		return;

	BusyIndicator.showWhile(getDisplay(), new Runnable() {
		public void run() {
			internalDoOperation();
		}
	});
}
 

/**
 * The <code>TextOperationAction</code> implementation of this <code>IAction</code> method runs the operation with
 * the current operation code.
 */
@Override
public void run() {
	if (fOperationCode == -1 || fOperationTarget == null)
		return;

	ITextViewer viewer = getTextViewer();
	if (viewer == null)
		return;

	if (!canModifyViewer())
		return;

	Display display = null;

	Shell shell = viewer.getTextWidget().getShell();
	if (shell != null && !shell.isDisposed())
		display = shell.getDisplay();

	BusyIndicator.showWhile(display, new Runnable() {
		@Override
		public void run() {
			fOperationTarget.doOperation(fOperationCode);
		}
	});
}
 

private static void internalOpen(final URL url, final boolean useExternalBrowser) {
	BusyIndicator.showWhile(null, new Runnable() {
		@Override
		public void run() {
			URL helpSystemUrl= PlatformUI.getWorkbench().getHelpSystem().resolve(url.toExternalForm(), true);
			try {
				IWorkbenchBrowserSupport browserSupport = PlatformUI.getWorkbench().getBrowserSupport();
				IWebBrowser browser;
				if (useExternalBrowser)
					browser= browserSupport.getExternalBrowser();
				else
					browser= browserSupport.createBrowser(null);
				browser.openURL(helpSystemUrl);
			} catch (PartInitException ex) {
			}
		}
	});
}
 

private void valueChanged(final boolean on, boolean store) {
	setChecked(on);
	BusyIndicator.showWhile(fOutlineViewer.getControl().getDisplay(), new Runnable() {
		public void run() {
			if (on) {
				fOutlineViewer.setComparator(fComparator);
				fDropSupport.setFeedbackEnabled(false);
			} else {
				fOutlineViewer.setComparator(fSourcePositonComparator);
				fDropSupport.setFeedbackEnabled(true);
			}
		}
	});

	if (store)
		JavaPlugin.getDefault().getPreferenceStore().setValue("LexicalSortingAction.isChecked", on); //$NON-NLS-1$
}
 

@Override
public void run() {
	if (textOperationTarget == null)
		return;
	ITextEditor editor = getTextEditor();
	if (editor == null)
		return;
	if (isModifyOperation() && !validateEditorInputState())
		return;
	BusyIndicator.showWhile(getDisplay(), new Runnable() {
		@Override
		public void run() {
			internalDoOperation();
		}
	});
}
 

private static void locateTemplateURL() {
	templateURL = RichTextEditor.class.getResource("resources/template.html");

	// if we are in an OSGi context, we need to convert the bundle URL to a file URL
	Bundle bundle = FrameworkUtil.getBundle(RichTextEditor.class);
	if (bundle != null) {
		try {
			templateURL = FileLocator.toFileURL(templateURL);
		} catch (IOException e) {
			e.printStackTrace();
		}
	} else if (templateURL.toString().startsWith("jar")) {
		BusyIndicator.showWhile(Display.getDefault(), new Runnable() {

			@Override
			public void run() {
				templateURL = ResourceHelper.getRichTextResource("template.html");
			}
		});
	}
}
 

public static void open(final ICompilationUnit unit, final Shell shell) {
	if (unit == null || !unit.exists()) {
		return;
	}
	Display display= shell != null ? shell.getDisplay() : Display.getCurrent();
	BusyIndicator.showWhile(display, new Runnable() {
		public void run() {
			NLSRefactoring refactoring= null;
			try {
				refactoring= NLSRefactoring.create(unit);
			} catch (IllegalArgumentException e) {
				// Loading a properties file can throw an IAE due to malformed Unicode escape sequence, see Properties#load for details.
				IStatus status= new Status(IStatus.ERROR, JavaPlugin.getPluginId(), e.getLocalizedMessage());
				ExceptionHandler.handle(status,
						NLSUIMessages.ExternalizeWizard_name,
						NLSUIMessages.ExternalizeWizard_error_message);
			}
			if (refactoring != null)
				new RefactoringStarter().activate(new ExternalizeWizard(refactoring), shell, ActionMessages.ExternalizeStringsAction_dialog_title, RefactoringSaveHelper.SAVE_REFACTORING);
		}
	});
}
 

public static void showDynamicHelp() {
	// This may take a while, so use the busy indicator
	BusyIndicator.showWhile(null, new Runnable() {
		public void run() {
			getActiveWindow().getWorkbench().getHelpSystem().displayDynamicHelp();
			// the following ensure that the help view receives focus
			// prior to adding this, it would not receive focus if
			// it was opened into a folder or was already
			// open in a folder in which another part had focus
			IViewPart helpView = findView("org.eclipse.help.ui.HelpView");
			if (helpView != null && getActiveWindow() != null && getActiveWindow().getActivePage() != null) {
				getActiveWindow().getActivePage().activate(helpView);
			}
		}
	});
}
 

private void updateProjectSelector() {
  Credential credential = accountSelector.getSelectedCredential();
  if (credential == null) {
    projectSelector.setProjects(new ArrayList<GcpProject>());
    return;
  }

  BusyIndicator.showWhile(projectSelector.getDisplay(), () -> {
    try {
      List<GcpProject> gcpProjects = projectRepository.getProjects(credential);
      projectSelector.setProjects(gcpProjects);
    } catch (ProjectRepositoryException e) {
      logger.log(Level.WARNING,
          "Could not retrieve GCP project information from server.", e); //$NON-NLS-1$
    }
  });
}
 

/**
 * This method allows us to open the preference dialog on the specific page, in this case the perspective page
 * 
 * @param id
 *            the id of pref page to show
 * @param page
 *            the actual page to show Copied from org.eclipse.debug.internal.ui.SWTUtil
 */
public static void showPreferencePage(String id, IPreferencePage page)
{
	final IPreferenceNode targetNode = new PreferenceNode(id, page);
	PreferenceManager manager = new PreferenceManager();
	manager.addToRoot(targetNode);
	final PreferenceDialog dialog = new PreferenceDialog(UIUtils.getActiveShell(), manager);
	BusyIndicator.showWhile(getStandardDisplay(), new Runnable()
	{
		public void run()
		{
			dialog.create();
			dialog.setMessage(targetNode.getLabelText());
			dialog.open();
		}
	});
}
 

/**
 * (non-Javadoc)
 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
 */
public Object execute(ExecutionEvent event) throws ExecutionException {
	final IEditorPart editor = HandlerUtil.getActiveEditor(event);
	if (editor instanceof XLIFFEditorImplWithNatTable) {
		BusyIndicator.showWhile(HandlerUtil.getActiveWorkbenchWindow(event).getShell().getDisplay(), new Runnable() {
			public void run() {
				// fixed Bug #2638 XLIFF 编辑器：复制所有源文到目标时，译文处于编辑模式的文本段“未能”正确复制
				HsMultiActiveCellEditor.commit(true);
				XLIFFEditorImplWithNatTable xliffEditor = (XLIFFEditorImplWithNatTable) editor;
				XLFHandler handler = xliffEditor.getXLFHandler();
				handler.copyAllSource2Target();
				xliffEditor.redraw();
				HsMultiCellEditorControl.activeSourceAndTargetCell(xliffEditor);
			}
		});

	}
	return null;
}
 

/**
 * 执行查询
 * @param sysDbOp
 *            ;
 */
private void executeSearch(final SystemDBOperator sysDbOp) {
	BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
		public void run() {
			// 连接检查
			if (!sysDbOp.checkDbConnection()) {
				MessageDialog.openInformation(getShell(), Messages.getString("dialog.TmDbManagerDialog.msgTitle"),
						Messages.getString("dialog.TmDbManagerDialog.msg1"));
				setLastSelectedServer(null);
				return;
			}

			// 获取数据库信息,包括名称和语言
			List<DatabaseManagerDbListBean> temp = searchCurrServerDatabase(sysDbOp, currServer);

			currServerdbListInput.clear();
			if (temp != null) {
				currServerdbListInput.addAll(temp);
				if (temp.size() > 0) {
					getDbTableViewer().setSelection(new StructuredSelection(temp.get(0)));
				}
				setLastSelectedServer(currServer.getId());
			}
		}
	});
}
 

private static void internalOpen(final URL url, final boolean useExternalBrowser) {
	BusyIndicator.showWhile(null, new Runnable() {
		public void run() {
			URL helpSystemUrl= PlatformUI.getWorkbench().getHelpSystem().resolve(url.toExternalForm(), true);
			if (helpSystemUrl == null) { // can happen if org.eclipse.help.ui is not available
				return; // the resolve() method already wrote "Unable to instantiate help UI" to the log
			}
			try {
				IWorkbenchBrowserSupport browserSupport= PlatformUI.getWorkbench().getBrowserSupport();
				IWebBrowser browser;
				if (useExternalBrowser)
					browser= browserSupport.getExternalBrowser();
				else
					browser= browserSupport.createBrowser(null);
				browser.openURL(helpSystemUrl);
			} catch (PartInitException ex) {
				// XXX: show dialog?
				JavaPlugin.logErrorStatus("Opening Javadoc failed", ex.getStatus()); //$NON-NLS-1$
			}
		}
	});
}
 

/**
 * (non-Javadoc)
 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
 */
public Object execute(ExecutionEvent event) throws ExecutionException {
	final IEditorPart editor = HandlerUtil.getActiveEditor(event);
	if (editor instanceof XLIFFEditorImplWithNatTable) {
		BusyIndicator.showWhile(HandlerUtil.getActiveWorkbenchWindow(event).getShell().getDisplay(), new Runnable() {
			public void run() {
				// fixed Bug #2638 XLIFF 编辑器：复制所有源文到目标时，译文处于编辑模式的文本段“未能”正确复制
				HsMultiActiveCellEditor.commit(true);
				XLIFFEditorImplWithNatTable xliffEditor = (XLIFFEditorImplWithNatTable) editor;
				XLFHandler handler = xliffEditor.getXLFHandler();
				handler.copyAllSource2Target();
				xliffEditor.redraw();
				HsMultiCellEditorControl.activeSourceAndTargetCell(xliffEditor);
			}
		});

	}
	return null;
}
 

@Override
public void run() {
	BusyIndicator.showWhile(fOutlineViewer.getControl().getDisplay(), new Runnable() {
		public void run() {
			fInnerLabelProvider.setShowDefiningType(isChecked());
			getDialogSettings().put(STORE_SORT_BY_DEFINING_TYPE_CHECKED, isChecked());

			setMatcherString(fPattern, false);
			fOutlineViewer.refresh(true);

			// reveal selection
			Object selectedElement= getSelectedElement();
			if (selectedElement != null)
				fOutlineViewer.reveal(selectedElement);
		}
	});
}
 

private void valueChanged(final boolean on, boolean store) {
	setChecked(on);
	BusyIndicator.showWhile(fViewer.getControl().getDisplay(), new Runnable() {
		public void run() {
			if (on) {
				fViewer.setComparator(fComparator);
				fDropSupport.setFeedbackEnabled(false);
			} else {
				fViewer.setComparator(fSourcePositonComparator);
				fDropSupport.setFeedbackEnabled(true);
			}
		}
	});

	if (store)
		JavaPlugin.getDefault().getPreferenceStore().setValue(fPreferenceKey, on);
}
 

@Override
public boolean doCommand(final SortColumnCommand command) {

	final int columnIndex = command.getLayer().getColumnIndexByPosition(command.getColumnPosition());
	final SortDirectionEnum newSortDirection = sortModel.getSortDirection(columnIndex).getNextSortDirection();

	// Fire command - with busy indicator
	Runnable sortRunner = new Runnable() {
		public void run() {
			sortModel.sort(columnIndex, newSortDirection, command.isAccumulate());
		}
	};
	BusyIndicator.showWhile(null, sortRunner);

	// Fire event
	SortColumnEvent sortEvent = new SortColumnEvent(sortHeaderLayer, command.getColumnPosition());
	sortHeaderLayer.fireLayerEvent(sortEvent);

	return true;
}
 

@Override
public void create() {

	BusyIndicator.showWhile(null, new Runnable() {
		public void run() {
			access$superCreate();

			fViewer.setCheckedElements(
				getInitialElementSelections().toArray());

			fViewer.expandToLevel(2);
			if (fExisting != null) {
				for (Iterator<Object> iter= fExisting.iterator(); iter.hasNext();) {
					fViewer.reveal(iter.next());
				}
			}

			updateOKStatus();
		}
	});

}
 

/**
 * Creates an extension.  If the extension plugin has not
 * been loaded a busy cursor will be activated during the duration of
 * the load.
 *
 * @param element the config element defining the extension
 * @param classAttribute the name of the attribute carrying the class
 * @return the extension object
 * @throws CoreException thrown if the creation failed
 */
public static Object createExtension(final IConfigurationElement element, final String classAttribute) throws CoreException {
	// If plugin has been loaded create extension.
	// Otherwise, show busy cursor then create extension.
	String pluginId = element.getContributor().getName();
	Bundle bundle = Platform.getBundle(pluginId);
	if (bundle != null && bundle.getState() == Bundle.ACTIVE ) {
		return element.createExecutableExtension(classAttribute);
	} else {
		final Object[] ret = new Object[1];
		final CoreException[] exc = new CoreException[1];
		BusyIndicator.showWhile(null, new Runnable() {
			public void run() {
				try {
					ret[0] = element.createExecutableExtension(classAttribute);
				} catch (CoreException e) {
					exc[0] = e;
				}
			}
		});
		if (exc[0] != null)
			throw exc[0];
		else
			return ret[0];
	}
}
 

@Override
public boolean doCommand(final SortColumnCommand command) {

	final int columnIndex = command.getLayer().getColumnIndexByPosition(command.getColumnPosition());
	final SortDirectionEnum newSortDirection = sortModel.getSortDirection(columnIndex).getNextSortDirection();

	// Fire command - with busy indicator
	Runnable sortRunner = new Runnable() {
		public void run() {
			sortModel.sort(columnIndex, newSortDirection, command.isAccumulate());
		}
	};
	BusyIndicator.showWhile(null, sortRunner);

	// Fire event
	SortColumnEvent sortEvent = new SortColumnEvent(sortHeaderLayer, command.getColumnPosition());
	sortHeaderLayer.fireLayerEvent(sortEvent);

	return true;
}
 

/**
 * Tries to find opened editors matching given resource roots. The editors will be closed without confirmation and
 * only if the editor resource does not exists anymore.
 *
 * @param resourceRoots
 *            non null array with deleted resource tree roots
 * @param deletedOnly
 *            true to close only editors on resources which do not exist
 */
static void closeMatchingEditors(final List<? extends IResource> resourceRoots, final boolean deletedOnly) {
	if (resourceRoots.isEmpty()) { return; }
	final Runnable runnable = () -> SafeRunner.run(new SafeRunnable(IDEWorkbenchMessages.ErrorOnCloseEditors) {
		@Override
		public void run() {
			final IWorkbenchWindow w = getActiveWindow();
			if (w != null) {
				final List<IEditorReference> toClose = getMatchingEditors(resourceRoots, w, deletedOnly);
				if (toClose.isEmpty()) { return; }
				closeEditors(toClose, w);
			}
		}
	});
	BusyIndicator.showWhile(PlatformUI.getWorkbench().getDisplay(), runnable);
}
 

/**
 * Tries to find opened editors matching given resource roots. The editors will be closed without confirmation and
 * only if the editor resource does not exists anymore.
 *
 * @param resourceRoots
 *            non null array with deleted resource tree roots
 * @param deletedOnly
 *            true to close only editors on resources which do not exist
 */
static void closeMatchingEditors(final List<? extends IResource> resourceRoots, final boolean deletedOnly) {
	if (resourceRoots.isEmpty()) { return; }
	final Runnable runnable = () -> SafeRunner.run(new SafeRunnable(IDEWorkbenchMessages.ErrorOnCloseEditors) {
		@Override
		public void run() {
			final IWorkbenchWindow w = WorkbenchHelper.getWindow();
			if (w != null) {
				final List<IEditorReference> toClose = getMatchingEditors(resourceRoots, w, deletedOnly);
				if (toClose.isEmpty()) { return; }
				closeEditors(toClose, w);
			}
		}
	});
	BusyIndicator.showWhile(PlatformUI.getWorkbench().getDisplay(), runnable);
}
 

/**
 * 访问goolge api以验证 Key是否可用。 ;
 */
private void googleValidator() {
	final String googleKey = googleKeyText.getText();
	BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {

		public void run() {
			// TODO Auto-generated method stub
			if (googleKey != null && !googleKey.trim().equals("")) {
				GoogleAPI.setHttpReferrer("http://www.heartsome.net");
				GoogleAPI.setKey(googleKey);
				try {
					String result = Translate.DEFAULT.execute("test", GoogleTransUtils.processLanguage("en-US"),
							GoogleTransUtils.processLanguage("zh-CN"));
					if (result.equals("测试")) {
						googleState = true;
					}
				} catch (GoogleAPIException e) {
					googleState = false;
				}
			} else {
				googleState = false;
			}
		}
	});
}
 

private void setMemberFilters(int[] propertyKeys, boolean[] propertyValues, boolean refresh) {
	if (propertyKeys.length == 0)
		return;
	Assert.isTrue(propertyKeys.length == propertyValues.length);

	for (int i= 0; i < propertyKeys.length; i++) {
		int filterProperty= propertyKeys[i];
		boolean set= propertyValues[i];

		IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
		boolean found= false;
		for (int j= 0; j < fFilterActions.length; j++) {
			int currProperty= fFilterActions[j].getFilterProperty();
			if (currProperty == filterProperty) {
				fFilterActions[j].setChecked(set);
				found= true;
				store.setValue(getPreferenceKey(filterProperty), set);
			}
		}
		if (found) {
			if (set) {
				fFilter.addFilter(filterProperty);
			} else {
				fFilter.removeFilter(filterProperty);
			}
		}
	}
	if (refresh) {
		fViewer.getControl().setRedraw(false);
		BusyIndicator.showWhile(fViewer.getControl().getDisplay(), new Runnable() {
			public void run() {
				fViewer.refresh();
			}
		});
		fViewer.getControl().setRedraw(true);
	}
}
 

@Override
public void run() {
	BusyIndicator.showWhile(fView.getSite().getShell().getDisplay(), new Runnable() {
		public void run() {
			fView.showQualifiedTypeNames(isChecked());
		}
	});
}
 

/**
 * Implementation of the <code>IAction</code> prototype. Checks if the selected
 * lines are all commented or not and uncomments/comments them respectively.
 */
@Override
public void run() {
	if (fOperationTarget == null || fDocumentPartitioning == null || fPrefixesMap == null)
		return;

	ITextEditor editor= getTextEditor();
	if (editor == null)
		return;

	if (!validateEditorInputState())
		return;

	final int operationCode;
	if (isSelectionCommented(editor.getSelectionProvider().getSelection()))
		operationCode= ITextOperationTarget.STRIP_PREFIX;
	else
		operationCode= ITextOperationTarget.PREFIX;

	Shell shell= editor.getSite().getShell();
	if (!fOperationTarget.canDoOperation(operationCode)) {
		if (shell != null)
			MessageDialog.openError(shell, JavaEditorMessages.ToggleComment_error_title, JavaEditorMessages.ToggleComment_error_message);
		return;
	}

	Display display= null;
	if (shell != null && !shell.isDisposed())
		display= shell.getDisplay();

	BusyIndicator.showWhile(display, new Runnable() {
		public void run() {
			fOperationTarget.doOperation(operationCode);
		}
	});
}
 

@Override
public void run() {
	BusyIndicator.showWhile(fPage.getViewer().getControl().getDisplay(), new Runnable() {
		public void run() {
			fPage.setSortOrder(fSortOrder);
		}
	});
}
 

/**
 * Executes the given runnable.
 *
 * @param runnable
 *            the runnable
 * @param control
 *            the control
 */
private void syncExec(final Runnable runnable, final Control control) {
	if (control != null && !control.isDisposed())
		control.getDisplay().syncExec(new Runnable() {

			public void run() {
				if (!control.isDisposed())
					BusyIndicator.showWhile(control.getDisplay(), runnable);
			}
		});
}
 

@Override
public void run() {
	BusyIndicator.showWhile(fMethodsViewer.getControl().getDisplay(), new Runnable() {
		public void run() {
			fMethodsViewer.sortByDefiningType(isChecked());
		}
	});
}