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.arm.cmsis.pack.installer.ui.views.PacksView.java

License:Open Source License

ICpPack getPackItem() {
    IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
    if (selection == null || selection.isEmpty()) {
        return null;
    }/*w  ww .j  a  v a2 s  .  co m*/
    Object obj = selection.getFirstElement();
    if (obj instanceof ICpPack) {
        return (ICpPack) obj;
    }
    return null;
}

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From source file:com.arm.cmsis.pack.project.wizards.CmsisCodeTemplateNewWizardPage.java

License:Open Source License

/**
 * Tests if the current workbench selection is a suitable container to use.
 *//*  w  w w  .  j a  v a2 s .  co  m*/
private void initialize() {
    if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() > 1) {
            return;
        }
        Object obj = ssel.getFirstElement();
        IContainer container = null;
        if (obj instanceof IResource) {
            if (obj instanceof IContainer) {
                container = (IContainer) obj;
            } else {
                container = ((IResource) obj).getParent();
            }
        } else if (obj instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) obj;
            IResource res = (IResource) adaptable.getAdapter(IResource.class);
            if (res == null) {
                return;
            }
            if (res instanceof IContainer) {
                container = (IContainer) res;
            } else {
                container = res.getParent();
            }
        }
        if (container != null) {
            projectText.setText(container.getProject().getName());
            projectText.setEditable(false);
            projectBrowse.setEnabled(false);
            containerText.setText(container.getFullPath().toString());
        }
    }
    if (getProjectName().isEmpty()) {
        containerText.setEditable(false);
        containerBrowse.setEnabled(false);
        fileText.setEditable(false);
    }
}

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From source file:com.arm.cmsis.pack.project.wizards.CmsisCodeTemplateNewWizardPage.java

License:Open Source License

private IRteProject getRteProject() {
    if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() > 1) {
            return null;
        }/* ww  w . ja  v  a  2  s . c  o  m*/
        Object obj = ssel.getFirstElement();
        IResource res = ProjectUtils.getResource(obj);
        if (res != null) {
            return CpProjectPlugIn.getRteProjectManager().getRteProject(res.getProject());
        }
    }
    return null;
}

---

From source file:com.arm.cmsis.pack.ui.widgets.RteDeviceSelectorWidget.java

License:Open Source License

/**
 *  Returns IRteDeviceItem currently selected in the tree
 *///from w w w .j  av  a  2s  .  c  o m
private IRteDeviceItem getSelectedItem() {
    IStructuredSelection sel = (IStructuredSelection) treeViewer.getSelection();
    if (sel.size() == 1) {
        Object o = sel.getFirstElement();
        if (o instanceof IRteDeviceItem) {
            return (IRteDeviceItem) o;
        }
    }
    return null;
}

---

From source file:com.arm.cmsis.pack.ui.widgets.RteValidateWidget.java

License:Open Source License

private IRteDependencyItem getSelectedDependencyItem() {
    IStructuredSelection sel = (IStructuredSelection) fViewer.getSelection();
    if (sel.size() == 1) {
        Object o = sel.getFirstElement();
        if (o instanceof IRteDependencyItem) {
            return (IRteDependencyItem) o;
        }/*  w w w. j  a  v  a 2 s.  c o m*/
    }
    return null;
}

---

From source file:com.astra.ses.spell.database.db.ui.wizards.FileInformationWizard.java

License:Open Source License

/**
 * Tests if the current workbench selection is a suitable container to use.
 *///from   w  ww.j  a  v a2 s. c o m

private void initialize() {
    if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() > 1)
            return;
        Object obj = ssel.getFirstElement();
        if (obj instanceof IResource) {
            IContainer container;
            if (obj instanceof IContainer)
                container = (IContainer) obj;
            else
                container = ((IResource) obj).getParent();
            containerText.setText(container.getFullPath().toString());
        }
    }
    fileText.setText("databaseFile.imp");
}

---

From source file:com.astra.ses.spell.gui.dialogs.ServerFileSaveDialog.java

License:Open Source License

/***************************************************************************
 * Create the dialog area contents./*from   w  ww  .j a  v  a 2 s.c o  m*/
 * 
 * @param parent
 *            The base composite of the dialog
 * @return The resulting contents
 **************************************************************************/
@Override
protected Control createDialogArea(Composite parent) {
    // Main composite of the dialog area -----------------------------------
    Composite top = new Composite(parent, SWT.NONE);
    GridData areaData = new GridData(GridData.FILL_BOTH);
    areaData.widthHint = 600;
    areaData.heightHint = 400;
    top.setLayoutData(areaData);
    GridLayout layout = new GridLayout();
    layout.numColumns = 1;
    layout.verticalSpacing = 10;
    top.setLayout(layout);

    m_fileName = new Text(top, SWT.BORDER);
    m_fileName.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    m_fileName.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent ev) {
            IStructuredSelection isel = (IStructuredSelection) m_viewer.getSelection();
            if (isel == null || isel.isEmpty()) {
                setErrorMessage("Must select a directory: only file name given");
                getButton(IDialogConstants.OK_ID).setEnabled(false);
            } else {
                Object selected = isel.getFirstElement();
                if (selected instanceof DirectoryTree) {
                    String filename = m_fileName.getText().trim();
                    if (filename.isEmpty()) {
                        setErrorMessage("Must provide a file name, or select an existing file.");
                        getButton(IDialogConstants.OK_ID).setEnabled(false);
                    } else {
                        setErrorMessage(null);
                        getButton(IDialogConstants.OK_ID).setEnabled(true);
                        DirectoryTree dir = (DirectoryTree) selected;
                        m_path = dir.getPath() + "/" + filename;
                        setMessage("File: '" + m_path + "'");
                    }
                } else {
                    DirectoryFile file = (DirectoryFile) selected;
                    final DirectoryTree parent = file.getParent();
                    m_viewer.setSelection(new IStructuredSelection() {
                        @Override
                        public boolean isEmpty() {
                            return false;
                        }

                        @Override
                        public Object getFirstElement() {
                            return parent;
                        };

                        @SuppressWarnings("rawtypes")
                        @Override
                        public Iterator iterator() {
                            return null;
                        }

                        @Override
                        public int size() {
                            return 1;
                        }

                        @Override
                        public Object[] toArray() {
                            DirectoryTree[] array = new DirectoryTree[1];
                            array[0] = parent;
                            return array;
                        }

                        @SuppressWarnings("rawtypes")
                        @Override
                        public List toList() {
                            return Arrays.asList(toArray());
                        }

                    });
                }
            }
        }
    });

    m_viewer = new ServerDirectoryTreeViewer(top);
    m_viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    m_viewer.setInput(m_tree);
    m_viewer.refresh();

    m_viewer.addSelectionChangedListener(this);

    setErrorMessage("Must select a directory and provide a file name, or select an existing file.");

    return parent;
}

---

From source file:com.astra.ses.spell.gui.dialogs.ServerFileSaveDialog.java

License:Open Source License

@Override
public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection isel = (IStructuredSelection) m_viewer.getSelection();
    if (isel == null || isel.isEmpty()) {
        setErrorMessage("Must select a directory and provide a file name, or select an existing file.");
        getButton(IDialogConstants.OK_ID).setEnabled(false);
    } else {//www. j  ava  2s  .  c  o m
        Object selected = isel.getFirstElement();
        if (selected instanceof DirectoryTree) {
            String filename = m_fileName.getText().trim();
            if (filename.isEmpty()) {
                setErrorMessage("Must provide a file name, or select an existing file.");
                getButton(IDialogConstants.OK_ID).setEnabled(false);
            } else {
                setErrorMessage(null);
                getButton(IDialogConstants.OK_ID).setEnabled(true);
                DirectoryTree dir = (DirectoryTree) selected;
                m_path = dir.getPath() + "/" + filename;
                setMessage("File: '" + m_path + "'");
            }
        } else {
            setErrorMessage(null);
            m_path = ((DirectoryFile) selected).getAbsolutePath();
            m_fileName.setText(((DirectoryFile) selected).getFilename());
            setMessage("File: '" + m_path + "'");
            getButton(IDialogConstants.OK_ID).setEnabled(true);
        }
    }
}

---

From source file:com.astra.ses.spell.gui.dialogs.ServerFileSelectionDialog.java

License:Open Source License

@Override
public void selectionChanged(SelectionChangedEvent event) {
    ISelection sel = event.getSelection();
    if (!sel.isEmpty()) {
        IStructuredSelection isel = (IStructuredSelection) sel;
        Object selected = isel.getFirstElement();
        if (selected instanceof DirectoryFile) {
            getButton(IDialogConstants.OK_ID).setEnabled(true);
            DirectoryFile file = (DirectoryFile) selected;
            setMessage("File selected: " + file.getFilename());
            m_selected = file;//from   ww  w .  j ava2 s.c o m
        } else {
            getButton(IDialogConstants.OK_ID).setEnabled(false);
            setMessage("Select a data file");
            m_selected = null;
        }
    } else {
        setMessage("Select a data file");
        m_selected = null;
        getButton(IDialogConstants.OK_ID).setEnabled(false);
    }
}

---

From source file:com.astra.ses.spell.gui.replay.dialogs.ExecutionSelectionDialog.java

License:Open Source License

/***************************************************************************
 * // www .j a v a 2 s  . co m
 **************************************************************************/
@Override
public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection sel = (IStructuredSelection) event.getSelection();
    if (sel.isEmpty()) {
        getButton(IDialogConstants.OK_ID).setEnabled(false);
        getButton(SAVE_ID).setEnabled(false);
    } else {
        if (sel.getFirstElement() instanceof ExecutionSelectionLeafNode) {
            m_selection = (ExecutionSelectionLeafNode) sel.getFirstElement();
            getButton(IDialogConstants.OK_ID).setEnabled(true);
            getButton(SAVE_ID).setEnabled(true);
        } else {
            m_selection = null;
            getButton(IDialogConstants.OK_ID).setEnabled(false);
            getButton(SAVE_ID).setEnabled(false);
        }
    }
}

---

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