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

List of usage examples for org.eclipse.jface.viewers StructuredSelection getFirstElement

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Introduction

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

Prototype

@Override
    public Object getFirstElement()

Source Link

Usage

From source file:org.apache.directory.studio.schemaeditor.controller.actions.RenameSchemaElementAction.java

License:Apache License

/**
 * Creates a new instance of RenameProjectAction.
 *
 * @param viewer//  w ww.j  a  va2 s .  com
 *      the associated viewer
 */
public RenameSchemaElementAction(TreeViewer viewer) {
    super(Messages.getString("RenameSchemaElementAction.RenameSchemaElementAction")); //$NON-NLS-1$
    setToolTipText(getText());
    setId(PluginConstants.CMD_RENAME_SCHEMA_ELEMENT);
    setActionDefinitionId(PluginConstants.CMD_RENAME_SCHEMA_ELEMENT);
    setImageDescriptor(Activator.getDefault().getImageDescriptor(PluginConstants.IMG_RENAME));
    setEnabled(false);
    this.viewer = viewer;
    this.viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            StructuredSelection selection = (StructuredSelection) event.getSelection();
            setEnabled((selection.size() == 1) && ((selection.getFirstElement() instanceof SchemaWrapper)
                    || (selection.getFirstElement() instanceof AttributeTypeWrapper)
                    || (selection.getFirstElement() instanceof ObjectClassWrapper)));
        }
    });
}

From source file:org.apache.directory.studio.schemaeditor.controller.actions.RenameSchemaElementAction.java

License:Apache License

/**
 * {@inheritDoc}/*from   w ww .j  a v  a 2 s  .  co m*/
 */
public void run() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
    if ((!selection.isEmpty()) && (selection.size() == 1)) {
        Object selectedElement = selection.getFirstElement();

        // Saving all dirty editors before processing the renaming
        if (EditorsUtils.saveAllDirtyEditors()) {
            // SCHEMA
            if (selectedElement instanceof SchemaWrapper) {
                Schema schema = ((SchemaWrapper) selectedElement).getSchema();

                RenameSchemaDialog dialog = new RenameSchemaDialog(schema.getSchemaName());
                if (dialog.open() == RenameSchemaDialog.OK) {
                    Activator.getDefault().getSchemaHandler().renameSchema(schema, dialog.getNewName());
                }
            }
            // ATTRIBUTE TYPE
            else if (selectedElement instanceof AttributeTypeWrapper) {
                MutableAttributeType attributeType = (MutableAttributeType) ((AttributeTypeWrapper) selectedElement)
                        .getAttributeType();

                RenameAttributeTypeDialog dialog = new RenameAttributeTypeDialog(attributeType.getNames());
                if (dialog.open() == RenameAttributeTypeDialog.OK) {
                    MutableAttributeType modifiedAttributeType = PluginUtils.getClone(attributeType);
                    modifiedAttributeType.setNames(dialog.getAliases());
                    Activator.getDefault().getSchemaHandler().modifyAttributeType(attributeType,
                            modifiedAttributeType);
                }
            }
            // OBJECT CLASS
            else if (selectedElement instanceof ObjectClassWrapper) {
                MutableObjectClass objectClass = (MutableObjectClass) ((ObjectClassWrapper) selectedElement)
                        .getObjectClass();

                RenameObjectClassDialog dialog = new RenameObjectClassDialog(objectClass.getNames());
                if (dialog.open() == RenameObjectClassDialog.OK) {
                    ObjectClass modifiedObjectClass = PluginUtils.getClone(objectClass);
                    modifiedObjectClass.setNames(dialog.getAliases());
                    Activator.getDefault().getSchemaHandler().modifyObjectClass(objectClass,
                            modifiedObjectClass);
                }
            }
        }
    }
}

From source file:org.apache.directory.studio.schemaeditor.controller.ProblemsViewController.java

License:Apache License

/**
 * Initializes the DoubleClickListener.//from w w w  .j  a v a2  s  .  c o m
 */
private void initDoubleClickListener() {
    view.getViewer().addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();

            TreeViewer viewer = view.getViewer();

            // What we get from the treeViewer is a StructuredSelection
            StructuredSelection selection = (StructuredSelection) event.getSelection();

            // Here's the real object (an AttributeTypeWrapper, ObjectClassWrapper or IntermediateNode)
            Object objectSelection = selection.getFirstElement();
            IEditorInput input = null;
            String editorId = null;

            // Selecting the right editor and input
            if (objectSelection instanceof SchemaErrorWrapper) {
                SchemaObject object = ((SchemaErrorWrapper) objectSelection).getLdapSchemaException()
                        .getSourceObject();

                if (object instanceof AttributeType) {
                    input = new AttributeTypeEditorInput(
                            Activator.getDefault().getSchemaHandler().getAttributeType(object.getOid()));
                    editorId = AttributeTypeEditor.ID;
                } else if (object instanceof ObjectClass) {
                    input = new ObjectClassEditorInput(
                            Activator.getDefault().getSchemaHandler().getObjectClass(object.getOid()));
                    editorId = ObjectClassEditor.ID;
                }
            } else if (objectSelection instanceof SchemaWarningWrapper) {
                SchemaObject object = ((SchemaWarningWrapper) objectSelection).getSchemaWarning().getSource();

                if (object instanceof AttributeType) {
                    input = new AttributeTypeEditorInput((AttributeType) object);
                    editorId = AttributeTypeEditor.ID;
                } else if (object instanceof ObjectClass) {
                    input = new ObjectClassEditorInput((MutableObjectClass) object);
                    editorId = ObjectClassEditor.ID;
                }
            } else if ((objectSelection instanceof Folder)) {
                // Here we don't open an editor, we just expand the node.
                viewer.setExpandedState(objectSelection, !viewer.getExpandedState(objectSelection));
            }

            // Let's open the editor
            if (input != null) {
                try {
                    page.openEditor(input, editorId);
                } catch (PartInitException e) {
                    PluginUtils.logError(Messages.getString("ProblemsViewController.ErrorOpeningEditor"), e); //$NON-NLS-1$
                    ViewUtils.displayErrorMessageDialog(Messages.getString("ProblemsViewController.Error"), //$NON-NLS-1$
                            Messages.getString("ProblemsViewController.ErrorOpeningEditor")); //$NON-NLS-1$
                }
            }
        }
    });
}

From source file:org.apache.directory.studio.schemaeditor.controller.ProjectsViewController.java

License:Apache License

/**
 * Initializes the DoubleClickListener.//  w  w  w  .  jav a  2s .  c o m
 */
private void initDoubleClickListener() {
    viewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            StructuredSelection selection = (StructuredSelection) viewer.getSelection();

            if ((!selection.isEmpty()) && (selection.size() == 1)) {
                Project project = ((ProjectWrapper) selection.getFirstElement()).getProject();
                if (project.getState().equals(ProjectState.CLOSED)) {
                    projectsHandler.openProject(project);
                }
            }
        }
    });
}

From source file:org.apache.directory.studio.schemaeditor.controller.SchemaViewController.java

License:Apache License

/**
 * Initializes the DoubleClickListener.//from www  . j a v  a  2 s  . c  o  m
 */
private void initDoubleClickListener() {
    viewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();

            TreeViewer viewer = view.getViewer();

            // What we get from the viewer is a StructuredSelection
            StructuredSelection selection = (StructuredSelection) event.getSelection();

            // Here's the real object (an AttributeTypeWrapper, ObjectClassWrapper or IntermediateNode)
            Object objectSelection = selection.getFirstElement();
            IEditorInput input = null;
            String editorId = null;

            // Selecting the right editor and input
            if (objectSelection instanceof AttributeTypeWrapper) {
                input = new AttributeTypeEditorInput(
                        ((AttributeTypeWrapper) objectSelection).getAttributeType());
                editorId = AttributeTypeEditor.ID;
            } else if (objectSelection instanceof ObjectClassWrapper) {
                input = new ObjectClassEditorInput(((ObjectClassWrapper) objectSelection).getObjectClass());
                editorId = ObjectClassEditor.ID;
            } else if ((objectSelection instanceof Folder) || (objectSelection instanceof SchemaWrapper)) {
                // Here we don't open an editor, we just expand the node.
                viewer.setExpandedState(objectSelection, !viewer.getExpandedState(objectSelection));
            }

            // Let's open the editor
            if (input != null) {
                try {
                    page.openEditor(input, editorId);
                } catch (PartInitException e) {
                    PluginUtils.logError(Messages.getString("SchemaViewController.ErrorOpeningEditor"), e); //$NON-NLS-1$
                    ViewUtils.displayErrorMessageDialog(Messages.getString("SchemaViewController.error"), //$NON-NLS-1$
                            Messages.getString("SchemaViewController.ErrorOpeningEditor")); //$NON-NLS-1$
                }
            }
        }
    });
}

From source file:org.apache.directory.studio.schemaeditor.view.dialogs.AttributeTypeSelectionDialog.java

License:Apache License

/**
 * {@inheritDoc}//from ww  w  . j  av  a 2 s. c  o m
 */
protected Control createDialogArea(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout(1, false);
    composite.setLayout(layout);

    Label chooseLabel = new Label(composite, SWT.NONE);
    chooseLabel.setText(Messages.getString("AttributeTypeSelectionDialog.ChooseAType")); //$NON-NLS-1$
    chooseLabel.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

    searchText = new Text(composite, SWT.BORDER | SWT.SEARCH);
    searchText.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
    searchText.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            setSearchInput(searchText.getText());
        }
    });
    searchText.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent e) {
            if (e.keyCode == SWT.ARROW_DOWN) {
                attributeTypesTable.setFocus();
            }
        }
    });

    Label matchingLabel = new Label(composite, SWT.NONE);
    matchingLabel.setText(Messages.getString("AttributeTypeSelectionDialog.MatchingTypes")); //$NON-NLS-1$
    matchingLabel.setLayoutData(new GridData(SWT.FILL, SWT.None, true, false));

    attributeTypesTable = new Table(composite,
            SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
    GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    gridData.heightHint = 148;
    gridData.minimumHeight = 148;
    gridData.widthHint = 350;
    gridData.minimumWidth = 350;
    attributeTypesTable.setLayoutData(gridData);
    attributeTypesTable.addMouseListener(new MouseAdapter() {
        public void mouseDoubleClick(MouseEvent e) {
            if (attributeTypesTable.getSelectionIndex() != -1) {
                okPressed();
            }
        }
    });

    attributeTypesTableViewer = new TableViewer(attributeTypesTable);
    attributeTypesTableViewer
            .setContentProvider(new AttributeTypeSelectionDialogContentProvider(hiddenAttributeTypes));
    attributeTypesTableViewer
            .setLabelProvider(new DecoratingLabelProvider(new AttributeTypeSelectionDialogLabelProvider(),
                    Activator.getDefault().getWorkbench().getDecoratorManager().getLabelDecorator()));
    attributeTypesTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            StructuredSelection selection = (StructuredSelection) attributeTypesTableViewer.getSelection();
            if (selection.isEmpty()) {
                if ((chooseButton != null) && (!chooseButton.isDisposed())) {
                    chooseButton.setEnabled(false);
                }
                schemaIconLabel
                        .setImage(Activator.getDefault().getImage(PluginConstants.IMG_TRANSPARENT_16X16));
                schemaNameLabel.setText(""); //$NON-NLS-1$
            } else {
                if ((chooseButton != null) && (!chooseButton.isDisposed())) {
                    chooseButton.setEnabled(true);
                }
                schemaIconLabel.setImage(Activator.getDefault().getImage(PluginConstants.IMG_SCHEMA));
                schemaNameLabel.setText(((AttributeType) selection.getFirstElement()).getSchemaName());
            }
        }
    });

    // Schema Composite
    Composite schemaComposite = new Composite(composite, SWT.BORDER);
    schemaComposite.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
    GridLayout schemaCompositeGridLayout = new GridLayout(2, false);
    schemaCompositeGridLayout.horizontalSpacing = 0;
    schemaCompositeGridLayout.verticalSpacing = 0;
    schemaCompositeGridLayout.marginWidth = 2;
    schemaCompositeGridLayout.marginHeight = 2;
    schemaComposite.setLayout(schemaCompositeGridLayout);

    // Schema Icon Label
    schemaIconLabel = new Label(schemaComposite, SWT.NONE);
    GridData schemaIconLabelGridData = new GridData(SWT.NONE, SWT.BOTTOM, false, false);
    schemaIconLabelGridData.widthHint = 18;
    schemaIconLabelGridData.heightHint = 16;
    schemaIconLabel.setLayoutData(schemaIconLabelGridData);
    schemaIconLabel.setImage(Activator.getDefault().getImage(PluginConstants.IMG_TRANSPARENT_16X16));

    // Schema Name Label
    schemaNameLabel = new Label(schemaComposite, SWT.NONE);
    schemaNameLabel.setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM, true, false));
    schemaNameLabel.setText(""); //$NON-NLS-1$

    // We need to force the input to load the complete list of attribute types
    setSearchInput(""); //$NON-NLS-1$

    return composite;
}

From source file:org.apache.directory.studio.schemaeditor.view.dialogs.AttributeTypeSelectionDialog.java

License:Apache License

/**
 * {@inheritDoc}/*w w  w .  j ava2  s. c o m*/
 */
protected void okPressed() {
    StructuredSelection selection = (StructuredSelection) attributeTypesTableViewer.getSelection();
    if (selection.isEmpty()) {
        MessageDialog.openError(getShell(), Messages.getString("AttributeTypeSelectionDialog.InvalidSelection"), //$NON-NLS-1$
                Messages.getString("AttributeTypeSelectionDialog.MustChooseType")); //$NON-NLS-1$
        return;
    } else {
        selectedAttributeType = (AttributeType) selection.getFirstElement();
    }

    super.okPressed();
}

From source file:org.apache.directory.studio.schemaeditor.view.dialogs.ObjectClassSelectionDialog.java

License:Apache License

/**
 * {@inheritDoc}//from   w ww  . j a v  a  2s .co  m
 */
protected Control createDialogArea(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout(1, false);
    composite.setLayout(layout);

    Label chooseLabel = new Label(composite, SWT.NONE);
    chooseLabel.setText(Messages.getString("ObjectClassSelectionDialog.ChooseClass")); //$NON-NLS-1$
    chooseLabel.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

    searchText = new Text(composite, SWT.BORDER | SWT.SEARCH);
    searchText.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
    searchText.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            setSearchInput(searchText.getText());
        }
    });
    searchText.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent e) {
            if (e.keyCode == SWT.ARROW_DOWN) {
                objectClassesTable.setFocus();
            }
        }
    });

    Label matchingLabel = new Label(composite, SWT.NONE);
    matchingLabel.setText(Messages.getString("ObjectClassSelectionDialog.MatchingClasses")); //$NON-NLS-1$
    matchingLabel.setLayoutData(new GridData(SWT.FILL, SWT.None, true, false));

    objectClassesTable = new Table(composite,
            SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
    GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    gridData.heightHint = 148;
    gridData.minimumHeight = 148;
    gridData.widthHint = 350;
    gridData.minimumWidth = 350;
    objectClassesTable.setLayoutData(gridData);
    objectClassesTable.addMouseListener(new MouseAdapter() {
        public void mouseDoubleClick(MouseEvent e) {
            if (objectClassesTable.getSelectionIndex() != -1) {
                okPressed();
            }
        }
    });

    objectClassesTableViewer = new TableViewer(objectClassesTable);
    objectClassesTableViewer
            .setContentProvider(new ObjectClassSelectionDialogContentProvider(hiddenObjectClasses));
    objectClassesTableViewer
            .setLabelProvider(new DecoratingLabelProvider(new ObjectClassSelectionDialogLabelProvider(),
                    Activator.getDefault().getWorkbench().getDecoratorManager().getLabelDecorator()));
    objectClassesTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            StructuredSelection selection = (StructuredSelection) objectClassesTableViewer.getSelection();
            if (selection.isEmpty()) {
                if ((chooseButton != null) && (!chooseButton.isDisposed())) {
                    chooseButton.setEnabled(false);
                }
                schemaIconLabel
                        .setImage(Activator.getDefault().getImage(PluginConstants.IMG_TRANSPARENT_16X16));
                schemaNameLabel.setText(""); //$NON-NLS-1$
            } else {
                if ((chooseButton != null) && (!chooseButton.isDisposed())) {
                    chooseButton.setEnabled(true);
                }
                schemaIconLabel.setImage(Activator.getDefault().getImage(PluginConstants.IMG_SCHEMA));
                schemaNameLabel.setText(((ObjectClass) selection.getFirstElement()).getSchemaName());
            }
        }
    });

    // Schema Composite
    Composite schemaComposite = new Composite(composite, SWT.BORDER);
    schemaComposite.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
    GridLayout schemaCompositeGridLayout = new GridLayout(2, false);
    schemaCompositeGridLayout.horizontalSpacing = 0;
    schemaCompositeGridLayout.verticalSpacing = 0;
    schemaCompositeGridLayout.marginWidth = 2;
    schemaCompositeGridLayout.marginHeight = 2;
    schemaComposite.setLayout(schemaCompositeGridLayout);

    // Schema Icon Label
    schemaIconLabel = new Label(schemaComposite, SWT.NONE);
    GridData schemaIconLabelGridData = new GridData(SWT.NONE, SWT.BOTTOM, false, false);
    schemaIconLabelGridData.widthHint = 18;
    schemaIconLabelGridData.heightHint = 16;
    schemaIconLabel.setLayoutData(schemaIconLabelGridData);
    schemaIconLabel.setImage(Activator.getDefault().getImage(PluginConstants.IMG_TRANSPARENT_16X16));

    // Schema Name Label
    schemaNameLabel = new Label(schemaComposite, SWT.NONE);
    schemaNameLabel.setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM, true, false));
    schemaNameLabel.setText(""); //$NON-NLS-1$

    // We need to force the input to load the complete list of attribute types
    setSearchInput(""); //$NON-NLS-1$

    return composite;
}

From source file:org.apache.directory.studio.schemaeditor.view.dialogs.ObjectClassSelectionDialog.java

License:Apache License

/**
 * {@inheritDoc}/*  w w w  .j  ava 2  s. c  om*/
 */
protected void okPressed() {
    StructuredSelection selection = (StructuredSelection) objectClassesTableViewer.getSelection();

    if (selection.isEmpty()) {
        MessageDialog.openError(getShell(), Messages.getString("ObjectClassSelectionDialog.InvalidSelection"), //$NON-NLS-1$
                Messages.getString("ObjectClassSelectionDialog.MustChooseClass")); //$NON-NLS-1$
        return;
    } else {
        selectedObjectClass = (ObjectClass) selection.getFirstElement();
    }

    super.okPressed();
}