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.openldap.config.model.widgets.LockDetectWidget.java

License:Apache License

/**
 * Creates the widget.//www.  j  a  v  a2  s  .c om
 * 
 * @param parent the parent
 * @param toolkit the toolkit
 */
public void createWidget(Composite parent, FormToolkit toolkit) {
    // Combo
    comboViewer = new ComboViewer(parent);
    comboViewer.setContentProvider(new ArrayContentProvider());
    comboViewer.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object element) {
            if (element instanceof NoneObject) {
                return "(No value)";
            } else if (element instanceof OlcBdbConfigLockDetectEnum) {
                OlcBdbConfigLockDetectEnum lockDetect = (OlcBdbConfigLockDetectEnum) element;

                switch (lockDetect) {
                case OLDEST:
                    return "Oldest";
                case YOUNGEST:
                    return "Youngest";
                case FEWEST:
                    return "Fewest";
                case RANDOM:
                    return "Random";
                case DEFAULT:
                    return "Default";
                }
            }

            return super.getText(element);
        }
    });
    comboViewer.addSelectionChangedListener(event -> {
        value = null;

        StructuredSelection selection = (StructuredSelection) comboViewer.getSelection();

        if (!selection.isEmpty()) {
            Object selectedObject = selection.getFirstElement();

            if (selectedObject instanceof OlcBdbConfigLockDetectEnum) {
                value = (OlcBdbConfigLockDetectEnum) selectedObject;
            }
        }

        notifyListeners();
    });
    comboViewer.setInput(comboViewerValues);
    comboViewer.setSelection(new StructuredSelection(comboViewerValues[0]));
}

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

License:Apache License

/**
 * Enables or disables the Action./*from  ww w.ja v a  2s  . c  om*/
 */
private void enableDisable() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
    if ((!selection.isEmpty()) && (selection.size() == 1)) {
        setEnabled(((ProjectWrapper) selection.getFirstElement()).getProject().getState()
                .equals(ProjectState.OPEN));
    } else {
        setEnabled(false);
    }
}

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

License:Apache License

/**
 * {@inheritDoc}/* w  w  w  . j  a v  a 2 s.  c  o m*/
 */
public void run() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
    if ((!selection.isEmpty()) && (selection.size() == 1)) {
        projectsHandler.closeProject(((ProjectWrapper) selection.getFirstElement()).getProject());
    }

}

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

License:Apache License

/**
 * {@inheritDoc}/*from  ww  w. j a  va2 s .  com*/
 */
public void run() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();

    if (!selection.isEmpty()) {
        StringBuilder message = new StringBuilder();

        int count = selection.size();

        if (count == 1) {
            Object firstElement = selection.getFirstElement();
            if (firstElement instanceof AttributeTypeWrapper) {
                message.append(Messages.getString("DeleteSchemaElementAction.SureDeleteAttributeType")); //$NON-NLS-1$
            } else if (firstElement instanceof ObjectClassWrapper) {
                message.append(Messages.getString("DeleteSchemaElementAction.SureDeleteObjectClass")); //$NON-NLS-1$
            } else if (firstElement instanceof SchemaWrapper) {
                message.append(Messages.getString("DeleteSchemaElementAction.SureDeleteSchema")); //$NON-NLS-1$
            } else {
                message.append(Messages.getString("DeleteSchemaElementAction.SureDeleteItem")); //$NON-NLS-1$
            }
        } else {
            message.append(NLS.bind(Messages.getString("DeleteSchemaElementAction.SureDeleteItems"), //$NON-NLS-1$
                    new Object[] { count }));
        }

        // Showing the confirmation window
        if (MessageDialog.openConfirm(viewer.getControl().getShell(),
                Messages.getString("DeleteSchemaElementAction.DeleteTitle"), message.toString())) //$NON-NLS-1$
        {
            Map<String, Schema> schemasMap = new HashMap<String, Schema>();
            List<SchemaObject> schemaObjectsList = new ArrayList<SchemaObject>();

            for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
                Object selectedItem = iterator.next();
                if (selectedItem instanceof SchemaWrapper) {
                    Schema schema = ((SchemaWrapper) selectedItem).getSchema();
                    schemasMap.put(Strings.toLowerCase(schema.getSchemaName()), schema);
                } else if (selectedItem instanceof AttributeTypeWrapper) {
                    AttributeType at = ((AttributeTypeWrapper) selectedItem).getAttributeType();
                    schemaObjectsList.add(at);
                } else if (selectedItem instanceof ObjectClassWrapper) {
                    ObjectClass oc = ((ObjectClassWrapper) selectedItem).getObjectClass();
                    schemaObjectsList.add(oc);
                }
            }

            SchemaHandler schemaHandler = Activator.getDefault().getSchemaHandler();
            // Removing schema objects
            for (SchemaObject schemaObject : schemaObjectsList) {
                if (!schemasMap.containsKey(Strings.toLowerCase(schemaObject.getSchemaName()))) {
                    // If the schema object is not part of deleted schema, we need to delete it.
                    // But, we don't delete schema objects that are part of a deleted schema, since
                    // deleting the schema will also delete this schema object.
                    if (schemaObject instanceof AttributeType) {
                        schemaHandler.removeAttributeType((AttributeType) schemaObject);
                    } else if (schemaObject instanceof ObjectClass) {
                        schemaHandler.removeObjectClass((ObjectClass) schemaObject);
                    }
                }
            }

            // Removing schemas
            for (Schema schema : schemasMap.values()) {
                schemaHandler.removeSchema(schema);
            }
        }
    }
}

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

License:Apache License

/**
 * {@inheritDoc}/*from   w w w .j  av a  2 s .  c  o  m*/
 */
public void run() {
    // Getting the selection
    Schema selectedSchema = null;

    int presentation = Activator.getDefault().getPreferenceStore()
            .getInt(PluginConstants.PREFS_SCHEMA_VIEW_SCHEMA_PRESENTATION);
    if (presentation == PluginConstants.PREFS_SCHEMA_VIEW_SCHEMA_PRESENTATION_FLAT) {
        StructuredSelection selection = (StructuredSelection) viewer.getSelection();
        if ((!selection.isEmpty()) && (selection.size() == 1)) {
            Object firstElement = selection.getFirstElement();
            if (firstElement instanceof SchemaWrapper) {
                selectedSchema = ((SchemaWrapper) firstElement).getSchema();
            } else if (firstElement instanceof Folder) {
                selectedSchema = ((SchemaWrapper) ((Folder) firstElement).getParent()).getSchema();
            } else if (firstElement instanceof AttributeTypeWrapper) {
                TreeNode parent = ((AttributeTypeWrapper) firstElement).getParent();

                if (parent instanceof Folder) {
                    selectedSchema = ((SchemaWrapper) ((Folder) parent).getParent()).getSchema();

                } else if (parent instanceof SchemaWrapper) {
                    selectedSchema = ((SchemaWrapper) parent).getSchema();
                }
            } else if (firstElement instanceof ObjectClassWrapper) {
                TreeNode parent = ((ObjectClassWrapper) firstElement).getParent();

                if (parent instanceof Folder) {
                    selectedSchema = ((SchemaWrapper) ((Folder) parent).getParent()).getSchema();
                } else if (parent instanceof SchemaWrapper) {
                    selectedSchema = ((SchemaWrapper) parent).getSchema();
                }
            }
        }
    }

    // Instantiates and initializes the wizard
    NewAttributeTypeWizard wizard = new NewAttributeTypeWizard();
    wizard.init(PlatformUI.getWorkbench(), StructuredSelection.EMPTY);
    wizard.setSelectedSchema(selectedSchema);
    // Instantiates the wizard container with the wizard and opens it
    WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
            wizard);
    dialog.create();
    dialog.open();
}

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

License:Apache License

/**
 * {@inheritDoc}//from   ww w .  j  ava2  s .  c om
 */
public void run() {
    // Getting the selection
    Schema selectedSchema = null;

    int presentation = Activator.getDefault().getPreferenceStore()
            .getInt(PluginConstants.PREFS_SCHEMA_VIEW_SCHEMA_PRESENTATION);
    if (presentation == PluginConstants.PREFS_SCHEMA_VIEW_SCHEMA_PRESENTATION_FLAT) {
        StructuredSelection selection = (StructuredSelection) viewer.getSelection();
        if ((!selection.isEmpty()) && (selection.size() == 1)) {
            Object firstElement = selection.getFirstElement();
            if (firstElement instanceof SchemaWrapper) {
                selectedSchema = ((SchemaWrapper) firstElement).getSchema();
            } else if (firstElement instanceof Folder) {
                selectedSchema = ((SchemaWrapper) ((Folder) firstElement).getParent()).getSchema();
            } else if (firstElement instanceof AttributeTypeWrapper) {
                TreeNode parent = ((AttributeTypeWrapper) firstElement).getParent();

                if (parent instanceof Folder) {
                    selectedSchema = ((SchemaWrapper) ((Folder) parent).getParent()).getSchema();

                } else if (parent instanceof SchemaWrapper) {
                    selectedSchema = ((SchemaWrapper) parent).getSchema();
                }
            } else if (firstElement instanceof ObjectClassWrapper) {
                TreeNode parent = ((ObjectClassWrapper) firstElement).getParent();

                if (parent instanceof Folder) {
                    selectedSchema = ((SchemaWrapper) ((Folder) parent).getParent()).getSchema();
                } else if (parent instanceof SchemaWrapper) {
                    selectedSchema = ((SchemaWrapper) parent).getSchema();
                }
            }
        }
    }

    // Instantiates and initializes the wizard
    NewObjectClassWizard wizard = new NewObjectClassWizard();
    wizard.init(PlatformUI.getWorkbench(), StructuredSelection.EMPTY);
    wizard.setSelectedSchema(selectedSchema);
    // Instantiates the wizard container with the wizard and opens it
    WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
            wizard);
    dialog.create();
    dialog.open();
}

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

License:Apache License

/**
 * Enables or disables the Action.//  w  ww. ja  v a 2 s  . c o m
 */
private void enableDisable() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
    if ((!selection.isEmpty()) && (selection.size() == 1)) {
        setEnabled(((ProjectWrapper) selection.getFirstElement()).getProject().getState()
                .equals(ProjectState.CLOSED));
    } else {
        setEnabled(false);
    }
}

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

License:Apache License

/**
 * {@inheritDoc}// www .  j a  v a  2s.  c o  m
 */
public void run() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
    if ((!selection.isEmpty()) && (selection.size() == 1)) {
        projectsHandler.openProject(((ProjectWrapper) selection.getFirstElement()).getProject());
    }

}

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

License:Apache License

/**
 * Creates a new instance of DeleteSchemaElementAction.
 *//*from  w  w  w . j av  a 2s  . co m*/
public OpenTypeHierarchyAction(TreeViewer viewer) {
    super(Messages.getString("OpenTypeHierarchyAction.OpenTypeAction")); //$NON-NLS-1$
    setToolTipText(Messages.getString("OpenTypeHierarchyAction.OpenTypeToolTip")); //$NON-NLS-1$
    setId(PluginConstants.CMD_OPEN_TYPE_HIERARCHY);
    setActionDefinitionId(PluginConstants.CMD_OPEN_TYPE_HIERARCHY);
    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 AttributeTypeWrapper)
                    || (selection.getFirstElement() instanceof ObjectClassWrapper)));
        }
    });
}

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

License:Apache License

/**
 * {@inheritDoc}/*from  ww w . j  a va 2  s  .  c  o m*/
 */
public void run() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
    if ((!selection.isEmpty()) && (selection.size() == 1)) {
        Project project = ((ProjectWrapper) selection.getFirstElement()).getProject();
        RenameProjectDialog dialog = new RenameProjectDialog(project.getName());
        if (dialog.open() == Dialog.OK) {
            projectsHandler.renameProject(project, dialog.getNewName());
        }
    }
}