Example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty.

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:com.aptana.ide.ui.io.navigator.actions.FileSystemPasteAction.java

License:Open Source License

@Override
protected boolean updateSelection(IStructuredSelection selection) {
    fDestFileStores.clear();/* ww  w.j a v a  2s  . c  o m*/
    selectedFiles.clear();
    fClipboardData = NO_FILES;
    if (!super.updateSelection(selection)) {
        return false;
    }

    if (selection == null || selection.isEmpty()) {
        return false;
    }
    Object[] elements = selection.toArray();

    IFileStore fileStore;
    for (Object element : elements) {
        fileStore = getFileStore(element);
        if (fileStore != null) {
            if (!Utils.isDirectory(fileStore)) {
                fileStore = fileStore.getParent();
            }
            fDestFileStores.add(fileStore);

            if (element instanceof IAdaptable) {
                IResource resource = (IResource) ((IAdaptable) element).getAdapter(IResource.class);
                if (resource != null) {
                    selectedFiles.add((resource instanceof IContainer) ? resource : resource.getParent());
                } else {
                    selectedFiles.add(new FileSystemObject(fileStore, FileSystemUtils.getFileInfo(fileStore)));
                }
            }
        }
    }
    if (fDestFileStores.size() == 0) {
        return false;
    }

    fShell.getDisplay().syncExec(new Runnable() {

        public void run() {
            // clipboard must have files
            LocalSelectionTransfer transfer = LocalSelectionTransfer.getTransfer();
            Object contents = fClipboard.getContents(transfer);
            if (contents instanceof StructuredSelection) {
                Object[] elements = ((StructuredSelection) contents).toArray();
                List<IFileStore> fileStores = new ArrayList<IFileStore>();
                for (Object element : elements) {
                    if (element instanceof IFileStore) {
                        fileStores.add((IFileStore) element);
                    }
                }
                fClipboardData = fileStores.toArray(new IFileStore[fileStores.size()]);
            }
        }
    });
    if (fClipboardData.length > 0) {
        return true;
    }

    TransferData[] transfers = fClipboard.getAvailableTypes();
    FileTransfer fileTransfer = FileTransfer.getInstance();
    for (int i = 0; i < transfers.length; ++i) {
        if (fileTransfer.isSupportedType(transfers[i])) {
            return true;
        }
    }
    return false;
}

From source file:com.aptana.ide.ui.io.navigator.actions.FileSystemRefactorActionGroup.java

License:Open Source License

public void fillContextMenu(IMenuManager menu) {
    IStructuredSelection selection = getSelection();

    if (selection != null && !selection.isEmpty()) {
        fRenameAction.selectionChanged(selection);
        menu.appendToGroup(ICommonMenuConstants.GROUP_REORGANIZE, fRenameAction);
    }/*w  w w  . j  a  v a 2 s .  co m*/
}

From source file:com.aptana.ide.ui.io.navigator.actions.FileSystemRefreshAction.java

License:Open Source License

protected boolean updateSelection(IStructuredSelection selection) {
    fSelectedElements = null;/*from www  .  jav  a2  s  .  c  o  m*/
    if (selection != null && !selection.isEmpty()) {
        fSelectedElements = selection.toArray();
    }
    return super.updateSelection(selection) && fSelectedElements != null;
}

From source file:com.aptana.ide.ui.io.navigator.actions.NewFileAction.java

License:Open Source License

@Override
protected boolean updateSelection(IStructuredSelection selection) {
    fSelectedElement = null;/*from w  ww  .  j a v a 2s .  c om*/

    if (selection != null && !selection.isEmpty()) {
        Object element = selection.getFirstElement();
        if (element instanceof IAdaptable) {
            fSelectedElement = (IAdaptable) element;
        }
    }

    return super.updateSelection(selection) && fSelectedElement != null;
}

From source file:com.aptana.ide.ui.io.navigator.actions.NewFileTemplateMenuContributor.java

License:Open Source License

protected void createNewFileFromTemplate(final TemplateElement template) {
    IStructuredSelection selection = getActiveSelection();
    if (!selection.isEmpty()) {
        Object element = selection.getFirstElement();
        if (element instanceof IAdaptable) {
            IFileStore fileStore = (IFileStore) ((IAdaptable) element).getAdapter(IFileStore.class);
            if (fileStore != null) {
                // this is a non-workspace selection
                String filetype = template.getFiletype();
                // strips the leading * before . if there is one
                int index = filetype.lastIndexOf('.');
                if (index > -1) {
                    filetype = filetype.substring(index);
                }//w ww.j ava2s  .  co m
                NewFileAction action = new NewFileAction("new_file" + filetype, template); //$NON-NLS-1$
                action.updateSelection(selection);
                action.run();
                return;
            }
        }
    }

    NewTemplateFileWizard wizard = new NewTemplateFileWizard(template);
    wizard.init(PlatformUI.getWorkbench(), selection);
    WizardDialog dialog = new WizardDialog(UIUtils.getActiveShell(), wizard);
    dialog.open();
}

From source file:com.aptana.ide.ui.io.navigator.actions.NewFileTemplateMenuContributor.java

License:Open Source License

protected void createNewBlankFile(String editorType, String fileExtension) {
    final String initialFileName = "new_file." + fileExtension; //$NON-NLS-1$

    IStructuredSelection selection = getActiveSelection();
    if (!selection.isEmpty()) {
        Object element = selection.getFirstElement();
        if (element instanceof IAdaptable) {
            IFileStore fileStore = (IFileStore) ((IAdaptable) element).getAdapter(IFileStore.class);
            if (fileStore != null) {
                // this is a non-workspace selection
                NewFileAction action = new NewFileAction(initialFileName) {

                    @Override/*www .  jav a2s.c o  m*/
                    protected InputStream getInitialContents() {
                        // empty content
                        return new ByteArrayInputStream(ArrayUtil.NO_BYTES);
                    }
                };
                action.updateSelection(selection);
                action.run();
                return;
            }
        }
    }

    BasicNewFileResourceWizard wizard = new BasicNewFileResourceWizard() {

        @Override
        public void addPages() {
            super.addPages();
            ((WizardNewFileCreationPage) getPages()[0]).setFileName(initialFileName);
        }
    };
    wizard.init(PlatformUI.getWorkbench(), selection);
    WizardDialog dialog = new WizardDialog(UIUtils.getActiveShell(), wizard);
    dialog.open();
}

From source file:com.aptana.ide.ui.io.navigator.actions.NewFolderAction.java

License:Open Source License

protected boolean updateSelection(IStructuredSelection selection) {
    fSelectedElement = null;//from  ww  w  .  j  av  a2s  .  co m

    if (selection != null && !selection.isEmpty()) {
        Object element = selection.getFirstElement();
        if (element instanceof IAdaptable) {
            fSelectedElement = (IAdaptable) element;
        }
    }

    return super.updateSelection(selection) && fSelectedElement != null;
}

From source file:com.aptana.ide.ui.io.navigator.actions.OpenFileAction.java

License:Open Source License

public boolean updateSelection(IStructuredSelection selection) {
    fFileStores.clear();/* w w w  . j  a  v a  2  s.  c  o m*/

    if (selection != null && !selection.isEmpty()) {
        Object[] elements = selection.toArray();
        IFileStore fileStore;
        for (Object element : elements) {
            if (element instanceof IAdaptable) {
                fileStore = Utils.getFileStore((IAdaptable) element);
                if (fileStore != null) {
                    fFileStores.add(fileStore);
                }
            }
        }
    }

    return super.updateSelection(selection) && fFileStores.size() > 0;
}

From source file:com.aptana.ide.ui.io.navigator.FilesystemLinkHelper.java

License:Open Source License

public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
    if (aSelection == null || aSelection.isEmpty()) {
        return;/*from  ww w.  j a v  a  2s. com*/
    }
    Object element = aSelection.getFirstElement();
    if (element instanceof FileSystemObject) {
        FileSystemObject file = (FileSystemObject) element;
        IFileStore fileStore = file.getFileStore();
        try {
            IEditorPart editorPart = aPage.findEditor(UniformFileStoreEditorInputFactory
                    .getUniformEditorInput(fileStore, new NullProgressMonitor()));
            aPage.bringToTop(editorPart);
        } catch (CoreException e) {
            IdeLog.logError(IOUIPlugin.getDefault(), e);
        }
    }
}

From source file:com.aptana.js.debug.ui.internal.preferences.JSDetailFormattersPreferencePage.java

License:Open Source License

private void updatePage(IStructuredSelection selection) {
    removeFormatterButton.setEnabled(!selection.isEmpty());
    editFormatterButton.setEnabled(selection.size() == 1);
    sourceViewer.getDocument()/*from   ww w  . j a  v a 2  s.  c o m*/
            .set((selection.size() == 1) ? ((DetailFormatter) selection.getFirstElement()).getSnippet()
                    : StringUtil.EMPTY);
}