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

Introduction

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

Prototype

public Object getFirstElement();

Source Link

Document

Returns the first element in this selection, or null if the selection is empty.

Usage

From source file:com.aptana.ide.server.ui.views.GenericServersView.java

License:Open Source License

/**
 * Creates and registers the context menu
 *//*from   w  ww.  jav a 2s. co  m*/
private void createPopupMenu() {
    deleteAction = ActionFactory.DELETE.create(getViewSite().getWorkbenchWindow());
    MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
    menuMgr.setRemoveAllWhenShown(true);
    getViewSite().getActionBars().setGlobalActionHandler(ActionFactory.DELETE.getId(), new Action() {

        public void run() {
            doDelete();
        }
    });
    menuMgr.addMenuListener(new IMenuListener() {
        public void menuAboutToShow(IMenuManager manager) {
            IContributionItem[] items = getViewSite().getActionBars().getToolBarManager().getItems();
            for (int i = 0; i < items.length; i++) {

                if (items[i] instanceof ActionContributionItem) {
                    ActionContributionItem aci = (ActionContributionItem) items[i];
                    IAction action = aci.getAction();
                    if (action == openLog) {
                        // adds the Open Log action to the context menu as a push button instead of 
                        // drop-down
                        boolean enabled = action.isEnabled();
                        action = new OpenLogAction(serverViewer, Action.AS_PUSH_BUTTON);
                        action.setEnabled(enabled);
                    }
                    if (action.isEnabled() && action.getStyle() != Action.AS_DROP_DOWN_MENU) {
                        if (action.getText() == null || action.getText().length() == 0) {
                            action.setText(action.getToolTipText());
                        }
                        manager.add(action);
                    }
                } else {
                    if (items[i] instanceof Separator) {
                        manager.add(new Separator());
                    }
                }
            }
            manager.add(new Separator());
            IStructuredSelection selection = (IStructuredSelection) serverViewer.getSelection();
            final IServer server = (IServer) selection.getFirstElement();
            if (server != null) {
                deleteAction.setText(StringUtils.format(Messages.ServersView_DELETE, getShortenName(server)));
                // deleteAction.setEnabled(server.getServerState() == IServer.STATE_STOPPED);
                deleteAction.setEnabled(server.canDelete().isOK());
                manager.add(deleteAction);

                Action action = new Action() {
                    public void run() {
                        doEdit(server);
                    }
                };
                action.setText(StringUtils.format(Messages.ServersView_EDIT, getShortenName(server)));
                IStatus canModify = server.canModify();
                IStatus canModifyInStoppedStateOnly = server.canModifyInStoppedStateOnly();
                action.setEnabled(((canModifyInStoppedStateOnly == null
                        || canModifyInStoppedStateOnly.getCode() == IStatus.OK)
                                ? server.getServerState() == IServer.STATE_STOPPED
                                : true)
                        && (canModify == null || canModify.getCode() == IStatus.OK));
                manager.add(action);
            }
            // deleteAction.setEnabled(!selection.isEmpty());
            manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); // Allow
        }

        private String getShortenName(final IServer server) {
            String name = server.getName();
            int length = name.length();
            if (length > MAX_SHOWN_SERVER_NAME) {
                int delta = (length - 15) / 2;
                int pivot = length / 2;
                int start = pivot - delta;
                int end = pivot + delta;
                String s1 = name.substring(0, start);
                String s2 = name.substring(end, length);
                String s = s1 + ELLIPSIS + s2;
                return s;
            }
            return name;
        }
    });
    Menu menu = menuMgr.createContextMenu(serverViewer.getControl());
    serverViewer.getControl().setMenu(menu);
    getSite().registerContextMenu(menuMgr, serverViewer);
}

---

From source file:com.aptana.ide.server.ui.views.GenericServersView.java

License:Open Source License

private void doDelete() {

    IStructuredSelection selection = (IStructuredSelection) serverViewer.getSelection();
    if (selection.isEmpty()) {
        return;/* ww  w  .  j a  v  a 2 s .  co m*/
    }
    IServer server = (IServer) selection.getFirstElement();
    if (!server.canDelete().isOK()) {
        return;
    }
    boolean mayStop = (server.getServerState() != IServer.STATE_STOPPED
            && server.getServerState() != IServer.STATE_UNKNOWN);
    boolean askStopBeforeDelete = (server.askStopBeforeDelete().getCode() == IStatus.OK);
    DeleteServerConfirmDialog dlg = new DeleteServerConfirmDialog(getViewSite().getShell(),
            Messages.ServersView_CONFIRM_DELETE, null,
            StringUtils.format(Messages.ServersView_CONFIRM_DELETE_TEXT, server.getName()),
            MessageDialog.QUESTION,
            new String[] { Messages.GenericServersView_YES, Messages.GenericServersView_NO }, 0, mayStop,
            askStopBeforeDelete);

    int openConfirm = dlg.open();
    if (openConfirm != 0) {
        return;
    }
    boolean doStop = dlg.shouldStop;
    if (doStop) {
        server.stop(true, null, null);
    }

    try {
        ServerCore.getServerManager().removeServer(server);
    } catch (CoreException e) {
        MessageDialog.openError(getViewSite().getShell(), Messages.ServersView_CONFIRM_DELETE,
                StringUtils.format(Messages.ServersView_CONFIRM_DELETE_TEXT, server.getName()));
    }
}

---

From source file:com.aptana.ide.syncing.ui.navigator.actions.DoubleClickAction.java

License:Open Source License

public void run() {
    IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
    Object element = selection.getFirstElement();
    if (element instanceof ISiteConnection) {
        // double-clicked on a site; opens it in the connection editor
        EditorUtils.openConnectionEditor((ISiteConnection) element);
    } else if (element instanceof ProjectSiteConnection) {
        // double-clicked on a site inside a project; both expands the node
        // and opens the connection editor
        super.run();
        EditorUtils.openConnectionEditor(((ProjectSiteConnection) element).getSiteConnection());
    } else {/*from w  ww.  j a  va 2  s  .  c om*/
        if (selectionHasChildren()) {
            super.run();
        } else {
            // no connection point has been defined against the project;
            // opens the new site connection dialog
            IAdaptable source = null;
            if (element instanceof IAdaptable) {
                source = (IAdaptable) element;
            }
            openNewSiteConnectionDialog(source);
        }
    }
}

---

From source file:com.aptana.ide.syncing.ui.navigator.actions.SyncingActionProvider.java

License:Open Source License

@Override
public void fillActionBars(IActionBars actionBars) {
    boolean hasSyncConnection = false;
    IStructuredSelection selection = getSelection();
    if (!selection.isEmpty()) {
        Object element = selection.getFirstElement();
        if (element instanceof IAdaptable) {
            hasSyncConnection = hasSyncConnection((IAdaptable) element);
        }/*from  w w  w  . jav  a 2  s . co m*/
    }
    // fillActionBars() is called each time the selection changes, so adds a check to only add the toolbar items
    // once
    IToolBarManager toolbar = actionBars.getToolBarManager();
    if (!isToolbarFilled) {
        if (hasSyncConnection) {
            fillToolBar(toolbar);
            actionBars.updateActionBars();
            isToolbarFilled = true;
        }
    } else if (updateToolbar(toolbar, hasSyncConnection)) {
        actionBars.updateActionBars();
    }
    updateSelection();
}

---

From source file:com.aptana.ide.syncing.ui.wizards.RemoteConnectionSelectionPage.java

License:Open Source License

/**
 * @param selection/*from   w  w  w .j av  a 2  s .  co  m*/
 *            the initial selection
 */
public RemoteConnectionSelectionPage(IStructuredSelection selection) {
    super("connectionPage"); //$NON-NLS-1$
    if (selection != null) {
        Object possibleSite = selection.getFirstElement();
        if (possibleSite != null && possibleSite instanceof IConnectionPoint) {
            site = (IConnectionPoint) possibleSite;
        }
    }
}

---

From source file:com.aptana.ide.ui.io.IOUIPlugin.java

License:Open Source License

private void handleProjectExplorerListeners(final IWorkbenchPart part) {
    CommonViewer viewer = ((ProjectExplorer) part).getCommonViewer();
    viewer.setComparer(new FileSystemElementComparer());
    final Tree tree = viewer.getTree();
    viewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            Object element = selection.getFirstElement();

            if (selection.size() == 1 && (element instanceof IResource)
                    && ((IResource) element).getType() == IResource.PROJECT) {
                OpenResourceAction openResourceAction = new OpenResourceAction(
                        PlatformUI.getWorkbench().getActiveWorkbenchWindow());
                openResourceAction.selectionChanged((IStructuredSelection) event.getViewer().getSelection());
                if (openResourceAction.isEnabled()) {
                    openResourceAction.run();
                }/*from w  w  w.j a v  a 2s .  co m*/
            }

        }
    });
    tree.addMouseListener(new MouseAdapter() {
        @Override
        public void mouseDown(MouseEvent e) {
            if (tree.getItem(new Point(e.x, e.y)) == null) {
                tree.deselectAll();
                tree.notifyListeners(SWT.Selection, new Event());
            }
        }
    });
}

---

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

License:Open Source License

public void run() {
    if (selectionHasChildren()) {
        // performs the usual double-click action
        IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
        TreeItem item = fTreeViewer.getTree().getSelection()[0];
        if (item.getExpanded()) {
            fTreeViewer.collapseToLevel(selection.getFirstElement(), AbstractTreeViewer.ALL_LEVELS);
        } else {// w w  w.  ja  va  2 s.co  m
            fTreeViewer.expandToLevel(selection.getFirstElement(), 1);
        }
    }
}

---

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   www .ja va  2 s.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.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);
                }//from  w  w  w. j a v a  2 s. 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/*from  ww  w.  j av  a 2 s.com*/
                    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();
}

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