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.amalto.workbench.widgets.composites.SelectXPathComposite.java

License:Open Source License

private void initListenerForXPathTree() {

    ISelectionChangedListener listener = new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent event) {
            txtXPath.setText(getXpath());
            IStructuredSelection sel = (IStructuredSelection) event.getSelection();
            boolean enable = true;
            if (xpathSelectionFilter != null) {
                enable = xpathSelectionFilter.check(sel.getFirstElement()) == FilterResult.ENABLE;
            }//from  w  ww.  j  av a2  s.  co  m
            if (propertyListener != null) {
                propertyListener
                        .propertyChange(new PropertyChangeEvent(event.getSource(), "selection", null, enable)); //$NON-NLS-1$
            }
        }
    };
    addSelectionChangedListener(listener);

}

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From source file:com.amalto.workbench.widgets.RepositoryCheckTreeViewer.java

License:Open Source License

public RepositoryCheckTreeViewer(IStructuredSelection selection) {
    this.selection = selection;
    Object firstElement = selection.getFirstElement();
    if (firstElement != null && firstElement instanceof TreeObject) {
        serverRoot = ((TreeObject) firstElement).getServerRoot();
    }//from w w  w . j  av a2 s.  c  o m
    checkItems = selection.toList();
}

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From source file:com.amazonaws.eclipse.codedeploy.deploy.handler.DeployProjectToCodeDeployHandler.java

License:Open Source License

public Object execute(ExecutionEvent event) throws ExecutionException {

    ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();

    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structurredSelection = (IStructuredSelection) selection;

        Object firstSeleciton = structurredSelection.getFirstElement();
        if (firstSeleciton instanceof IProject) {
            IProject selectedProject = (IProject) firstSeleciton;

            try {
                WizardDialog wizardDialog = new WizardDialog(Display.getCurrent().getActiveShell(),
                        new DeployProjectToCodeDeployWizard(selectedProject));

                wizardDialog.open();/*ww  w.j  av  a2s  . c  om*/

            } catch (Exception e) {
                CodeDeployPlugin.getDefault().reportException("Failed to launch deployment wizard.", e);
            }

        } else {
            CodeDeployPlugin.getDefault()
                    .logInfo("Invalid selection: " + firstSeleciton + " is not a project.");
        }
    }

    return null;
}

---

From source file:com.amazonaws.eclipse.core.ui.preferences.AwsAccountPreferencePageTab.java

License:Apache License

/**
 * Creates the account selection section.
 *///from   w  w w  .ja v  a  2s. co  m
private Composite createAccountSelector(final Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
    composite.setLayout(new GridLayout(4, false));

    new Label(composite, SWT.READ_ONLY).setText("Default Profile: ");

    accountSelector = new ComboViewer(composite, SWT.DROP_DOWN | SWT.READ_ONLY);
    accountSelector.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    // Use a List of AccountInfo objects as the data input for the combo
    // viewer
    accountSelector.setContentProvider(ArrayContentProvider.getInstance());
    accountSelector.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object element) {
            if (element instanceof AccountInfo) {
                AccountInfo account = (AccountInfo) element;
                if (account.isDirty()) {
                    return "*" + account.getAccountName();
                } else {
                    return account.getAccountName();
                }
            }
            return super.getText(element);
        }
    });

    AccountInfo currentRegionAccount = accountInfoByIdentifier.get(currentRegionAccountId);
    // In some of the edge-cases, currentRegionAccount could be null.
    // e.g. a specific credential profile account is removed externally, but
    // the data in the preference store is not yet updated.
    if (currentRegionAccount == null) {
        currentRegionAccount = accountInfoByIdentifier.values().iterator().next();
        currentRegionAccountId = currentRegionAccount.getInternalAccountId();
    }

    final List<AccountInfo> allAccounts = new LinkedList<AccountInfo>(accountInfoByIdentifier.values());

    setUpAccountSelectorItems(allAccounts, currentRegionAccount);

    // Add selection listener to the account selector, so that all the
    // account info editors are notified of the newly selected AccountInfo
    // object.
    accountSelector.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            Object selectedObject = selection.getFirstElement();

            if (selectedObject instanceof AccountInfo) {
                AccountInfo accountInfo = (AccountInfo) selectedObject;
                accountChanged(accountInfo);
            }
        }

    });

    final Button addNewAccount = new Button(composite, SWT.PUSH);
    addNewAccount.setText("Add profile");
    deleteAccount = new Button(composite, SWT.PUSH);
    deleteAccount.setText("Remove profile");
    deleteAccount.setEnabled(allAccounts.size() > 1);

    defaultAccountExplanationLabel = new Label(composite, SWT.WRAP);
    defaultAccountExplanationLabel.setText(getDefaultAccountExplanationText());

    parentPrefPage.setItalicFont(defaultAccountExplanationLabel);

    GridData layoutData = new GridData(SWT.FILL, SWT.TOP, true, false);
    layoutData.horizontalSpan = 4;
    layoutData.widthHint = 200;
    defaultAccountExplanationLabel.setLayoutData(layoutData);

    addNewAccount.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            String newAccountId = UUID.randomUUID().toString();
            AccountInfo newAccountInfo = createNewProfileAccountInfo(newAccountId);

            String newAccountName = region == null ? "New Profile" : "New " + region.getName() + " Profile";
            newAccountInfo.setAccountName(newAccountName); // this will mark the AccountInfo object dirty

            accountInfoByIdentifier.put(newAccountId, newAccountInfo);

            setUpAccountSelectorItems(accountInfoByIdentifier.values(), newAccountInfo);

            for (AwsAccountPreferencePageTab tab : parentPrefPage.getAllAccountPreferencePageTabs()) {
                if (tab != AwsAccountPreferencePageTab.this) {
                    tab.refreshAccountSelectorItems();
                }
            }

            parentPrefPage.updatePageValidationOfAllTabs();
        }
    });

    deleteAccount.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            accountInfoToBeDeleted.add(accountInfoByIdentifier.get(currentRegionAccountId));
            accountInfoByIdentifier.remove(currentRegionAccountId);

            // If all the accounts are deleted, create a temporary
            // AccountInfo object
            if (accountInfoByIdentifier.isEmpty()) {
                String newAccountId = UUID.randomUUID().toString();
                AccountInfo newAccountInfo = createNewProfileAccountInfo(newAccountId);

                // Account name : default-region-id
                newAccountInfo.setAccountName(getRegionAccountDefaultName());
                accountInfoByIdentifier.put(newAccountId, newAccountInfo);
            }

            // Use the first AccountInfo as the next selected account
            AccountInfo nextDefaultAccount = accountInfoByIdentifier.values().iterator().next();

            setUpAccountSelectorItems(accountInfoByIdentifier.values(), nextDefaultAccount);

            for (AwsAccountPreferencePageTab tab : parentPrefPage.getAllAccountPreferencePageTabs()) {
                if (tab != AwsAccountPreferencePageTab.this) {
                    tab.refreshAccountSelectorItems();
                }
            }

            parentPrefPage.updatePageValidationOfAllTabs();
        }
    });

    accountSelector.getCombo().addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent arg0) {
            if (accountSelector.getCombo().getItemCount() > 1) {
                deleteAccount.setEnabled(true);
            } else {
                deleteAccount.setEnabled(false);
            }

        }
    });

    return composite;
}

---

From source file:com.amazonaws.eclipse.elasticbeanstalk.ui.menu.DeployToElasticBeanstalkHandler.java

License:Open Source License

public Object execute(ExecutionEvent event) throws ExecutionException {
    ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();
    if (selection != null & selection instanceof IStructuredSelection) {
        IStructuredSelection structurredSelection = (IStructuredSelection) selection;
        new RunOnServerAction(structurredSelection.getFirstElement()).run();
    }/*ww  w  .j a va  2s.c  o m*/
    return null;
}

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From source file:com.amazonaws.eclipse.explorer.DragAdapterAssistant.java

License:Apache License

@Override
public void dragStart(DragSourceEvent anEvent, IStructuredSelection aSelection) {

    anEvent.doit = aSelection.size() == 1 && aSelection.getFirstElement() instanceof S3ObjectSummary;

    /*//from  w  w  w .j a va  2  s  . c o  m
     * We need to make sure that our drag is treated *only* as a plugin
     * transfer, whereas the superclass defaults to treating all such events
     * as either LocalSelectionTransfer or PluginTransfer. In the case of
     * the former, the drag adapter for other views won't recognize the
     * object being dropped and so disallows it.
     */
    DragSource source = ((DragSource) anEvent.getSource());
    source.setTransfer(getSupportedTransferTypes());
    //printEvent(anEvent);
}

---

From source file:com.amazonaws.eclipse.explorer.rds.RDSExplorerActionProvider.java

License:Apache License

@Override
public void fillContextMenu(IMenuManager menu) {
    IStructuredSelection selection = (IStructuredSelection) getContext().getSelection();
    if (selection.getFirstElement() == RDSExplorerNodes.RDS_ROOT_NODE) {
        menu.add(new OpenRdsConsoleAction());
    }//from   ww  w  .j ava 2  s.  c om
}

---

From source file:com.amazonaws.eclipse.explorer.s3.dnd.DownloadDropAssistant.java

License:Apache License

protected IStatus doDrop(Object aTarget, IStructuredSelection s3ObjectSelection) {
    if (!(aTarget instanceof IResource)) {
        return Status.CANCEL_STATUS;
    }/*  w  ww  .  j  av a2s  .  c  om*/

    // Drop targets can be folders, projects, or files. In the case of
    // files, we just want to identify the parent directory.
    IResource resource = (IResource) aTarget;
    if (resource instanceof IFile) {
        resource = resource.getParent();
    }

    final IResource dropFolder = resource;

    final S3ObjectSummary s3object = (S3ObjectSummary) s3ObjectSelection.getFirstElement();

    final File f = dropFolder.getLocation().toFile();
    if (!f.exists())
        return Status.CANCEL_STATUS;

    String fileName = getOutputFileName(s3object, f);

    if (fileName == null || fileName.length() == 0) {
        return Status.CANCEL_STATUS;
    }

    final File outputFile = new File(fileName);

    new DownloadObjectJob("Downloading " + s3object.getKey(), s3object, dropFolder, outputFile).schedule();

    return Status.OK_STATUS;
}

---

From source file:com.amazonaws.eclipse.explorer.s3.dnd.UploadDropAssistant.java

License:Apache License

public static File getFileToDrop(TransferData transfer) {
    File f = null;/*from  w w  w. j  a v  a2s .c  o m*/
    if (LocalSelectionTransfer.getTransfer().isSupportedType(transfer)) {
        IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer()
                .nativeToJava(transfer);
        IResource resource = (IResource) selection.getFirstElement();
        f = resource.getLocation().toFile();
    } else if (FileTransfer.getInstance().isSupportedType(transfer)) {
        String[] files = (String[]) FileTransfer.getInstance().nativeToJava(transfer);
        f = new File(files[0]);
    }
    return f;
}

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From source file:com.amazonaws.eclipse.explorer.simpledb.SimpleDBNavigatorActionProvider.java

License:Apache License

@Override
public void fillContextMenu(final IMenuManager menu) {
    IStructuredSelection selection = (IStructuredSelection) getContext().getSelection();

    if (selection.getFirstElement() == SimpleDBRootElement.ROOT_ELEMENT) {
        menu.add(new CreateDomainAction());
    } else if (selection.getFirstElement() instanceof DomainNode) {

        List<String> domainNames = new ArrayList<String>();
        Iterator iterator = selection.iterator();
        while (iterator.hasNext()) {
            Object next = iterator.next();
            if (next instanceof DomainNode) {
                DomainNode domainNode = (DomainNode) next;
                domainNames.add(domainNode.getName());
            }//from   www  . j av a 2  s  . c  om
        }

        menu.add(new CreateDomainAction());
        menu.add(new DeleteDomainAction(domainNames));
        menu.add(new Separator());

        menu.add(new OpenSQLScrapbookAction());
        DomainNode domainNode = (DomainNode) selection.getFirstElement();
        menu.add(new OpenDataTableEditorAction(domainNode.getName()));
    }
}

---

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