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

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

  1. HOME
  2. Java
  3. org.eclipse.jface
  4. org.eclipse.jface.viewers.*
  5. StructuredSelection
  6. isEmpty

Introduction

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

Prototype

@Override
    public boolean isEmpty()

Source Link

Usage

From source file:org.apache.directory.studio.schemaeditor.view.wizards.NewAttributeTypeGeneralWizardPage.java

License:Apache License

/**
 * Get the name of the schema.//from  w ww .  ja v  a  2s. com
 *
 * @return
 *      the name of the schema
 */
public String getSchemaValue() {
    StructuredSelection selection = (StructuredSelection) schemaComboViewer.getSelection();
    if (!selection.isEmpty()) {
        Schema schema = (Schema) selection.getFirstElement();

        return schema.getSchemaName();
    } else {
        return null;
    }
}

From source file:org.apache.directory.studio.schemaeditor.view.wizards.NewObjectClassContentWizardPage.java

License:Apache License

/**
 * This method is called when the "Remove" button of the superiors 
 * table is selected.//from www  . j  av  a2 s  . c  o  m
 */
private void removeSuperiorObjectClass() {
    StructuredSelection selection = (StructuredSelection) superiorsTableViewer.getSelection();
    if (!selection.isEmpty()) {
        superiorsList.remove(selection.getFirstElement());
        updateSuperiorsTable();
    }
}

From source file:org.apache.directory.studio.schemaeditor.view.wizards.NewObjectClassMandatoryAttributesPage.java

License:Apache License

/**
 * This method is called when the "Remove" button of the mandatory 
 * attribute types table is selected.//  w ww .  j av a2 s .c  o m
 */
private void removeMandatoryAttributeType() {
    StructuredSelection selection = (StructuredSelection) mandatoryAttributeTypesTableViewer.getSelection();
    if (!selection.isEmpty()) {
        mandatoryAttributeTypesList.remove(selection.getFirstElement());
        updateMandatoryAttributeTypesTableTable();
    }
}

From source file:org.apache.directory.studio.schemaeditor.view.wizards.NewObjectClassOptionalAttributesPage.java

License:Apache License

/**
 * This method is called when the "Remove" button of the optional 
 * attribute types table is selected./*from  ww w  .j  a v  a 2  s . com*/
 */
private void removeOptionalAttributeType() {
    StructuredSelection selection = (StructuredSelection) optionalAttributeTypesTableViewer.getSelection();
    if (!selection.isEmpty()) {
        optionalAttributeTypesList.remove(selection.getFirstElement());
        updateOptionalAttributeTypesTableTable();
    }
}

From source file:org.apache.directory.studio.templateeditor.editor.widgets.EditorTable.java

License:Apache License

/**
 * This method is called when the 'Edit...' toolbar item is clicked.
 *///w w  w.j  a  va2  s  .c  o  m
private void editToolItemAction() {
    StructuredSelection selection = (StructuredSelection) tableViewer.getSelection();
    if (!selection.isEmpty()) {
        String selectedValue = (String) selection.getFirstElement();

        IAttribute attribute = getAttribute();
        if ((attribute != null) && (attribute.isString()) && (attribute.getValueSize() > 0)) {
            IValue value = null;

            for (IValue attributeValue : attribute.getValues()) {
                if (selectedValue.equals(attributeValue.getStringValue())) {
                    value = attributeValue;
                    break;
                }
            }

            if (value != null) {
                TextDialog textDialog = new TextDialog(tableViewer.getTable().getShell(), selectedValue);
                if (textDialog.open() == Dialog.OK) {
                    String newValue = textDialog.getText();
                    if (!selectedValue.equals(newValue)) {
                        deleteAttributeValue(selectedValue);
                        addAttributeValue(newValue);
                        tableViewer.setSelection(new StructuredSelection(newValue));
                    }
                }
            }
        }
    }
}

From source file:org.apache.directory.studio.templateeditor.editor.widgets.EditorTable.java

License:Apache License

/**
 * This method is called when the 'Delete...' toolbar item is clicked.
 */// w  w w .  j  a  va  2 s  . c  o m
private void deleteToolItemAction() {
    StructuredSelection selection = (StructuredSelection) tableViewer.getSelection();
    if (!selection.isEmpty()) {
        // Launching a confirmation dialog
        if (MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                Messages.getString("EditorTable.Confirmation"), //$NON-NLS-1$
                Messages.getString("EditorTable.ConfirmationDeleteValue"))) //$NON-NLS-1$
        {
            deleteAttributeValue((String) selection.getFirstElement());
        }
    }
}

From source file:org.apache.directory.studio.templateeditor.editor.widgets.EditorTable.java

License:Apache License

/**
 * Updates the states of the buttons.//from w  w w. j a  v  a  2s . c  o  m
 */
private void updateButtonsStates() {
    StructuredSelection selection = (StructuredSelection) tableViewer.getSelection();

    if ((editToolItem != null) && (!editToolItem.isDisposed())) {
        editToolItem.setEnabled(!selection.isEmpty());
    }

    if ((deleteToolItem != null) && (!deleteToolItem.isDisposed())) {
        deleteToolItem.setEnabled(!selection.isEmpty());
    }
}

From source file:org.apache.directory.studio.templateeditor.view.preferences.TemplateEntryEditorPreferencePage.java

License:Apache License

/**
 * Creates the templates viewer.//from   w  w  w  .  j a v a2  s  . c om
 */
private void createTemplatesViewer() {
    // Templates tree
    Tree templatesTree = new Tree(templatesViewerComposite,
            SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION | SWT.CHECK);
    templatesTree.setLinesVisible(false);

    // Templates table viewer
    templatesViewer = new CheckboxTreeViewer(templatesTree);
    GridData gridData2 = new GridData(SWT.FILL, SWT.NONE, true, false);
    gridData2.heightHint = 160;
    templatesViewer.getTree().setLayoutData(gridData2);

    // Templates content and label providers, and comparator
    TemplatesContentProvider contentProvider = new TemplatesContentProvider(this, manager);
    templatesViewer.setContentProvider(contentProvider);
    TemplatesCheckStateListener checkStateProviderListener = new TemplatesCheckStateListener(contentProvider,
            manager);
    templatesViewer.addCheckStateListener(checkStateProviderListener);
    TemplatesLabelProvider labelProvider = new TemplatesLabelProvider(manager);
    templatesViewer.setLabelProvider(labelProvider);
    templatesViewer.setComparator(new ColumnsTableViewerComparator(labelProvider));
    templatesViewer.addDoubleClickListener(new IDoubleClickListener() {
        @SuppressWarnings("unchecked")
        public void doubleClick(DoubleClickEvent event) {
            StructuredSelection selection = (StructuredSelection) templatesViewer.getSelection();
            if (!selection.isEmpty()) {
                Iterator<Object> selectionIterator = selection.iterator();
                while (selectionIterator.hasNext()) {
                    Object selectedElement = (Object) selectionIterator.next();
                    if (templatesViewer.getExpandedState(selectedElement)) {

                        templatesViewer.collapseToLevel(selectedElement, 1);
                    } else {
                        templatesViewer.expandToLevel(selectedElement, 1);
                    }
                }
            }
        }
    });
}

From source file:org.apache.directory.studio.templateeditor.view.preferences.TemplateEntryEditorPreferencePage.java

License:Apache License

/**
 * Updates the states of the buttons.//from   ww w . ja v a 2  s .  com
 */
@SuppressWarnings("unchecked")
private void updateButtonsStates() {
    StructuredSelection selection = (StructuredSelection) templatesViewer.getSelection();
    if (!selection.isEmpty()) {
        if (selection.size() == 1) {
            // Only one row is selected

            Object selectedObject = selection.getFirstElement();
            removeTemplateButton.setEnabled((selectedObject instanceof FileTemplate)
                    || (selectedObject instanceof PreferencesFileTemplate));

            // If we're in the object class presentation, we need to update the 'Set Default' button
            if (store.getInt(
                    EntryTemplatePluginConstants.PREF_TEMPLATES_PRESENTATION) == EntryTemplatePluginConstants.PREF_TEMPLATES_PRESENTATION_OBJECT_CLASS) {
                if (selectedObject instanceof Template) {
                    Template selectedTemplate = (Template) selectedObject;
                    setDefaultTemplateButton.setEnabled((manager.isEnabled(selectedTemplate)
                            && (!manager.isDefaultTemplate(selectedTemplate))));
                } else {
                    setDefaultTemplateButton.setEnabled(false);
                }
            }
        } else {
            // More than one row is selected

            removeTemplateButton.setEnabled(true);
            Iterator<Object> selectionIterator = ((StructuredSelection) templatesViewer.getSelection())
                    .iterator();
            while (selectionIterator.hasNext()) {
                Object selectedObject = selectionIterator.next();
                if (!((selectedObject instanceof FileTemplate)
                        || (selectedObject instanceof PreferencesFileTemplate))) {
                    removeTemplateButton.setEnabled(false);
                    break;
                }
            }

            // If we're in the object class presentation, we need to update the 'Set Default' button
            if (store.getInt(
                    EntryTemplatePluginConstants.PREF_TEMPLATES_PRESENTATION) == EntryTemplatePluginConstants.PREF_TEMPLATES_PRESENTATION_OBJECT_CLASS) {
                setDefaultTemplateButton.setEnabled(false);
            }
        }

    } else {
        removeTemplateButton.setEnabled(false);
        setDefaultTemplateButton.setEnabled(false);
    }
}

From source file:org.apache.directory.studio.templateeditor.view.preferences.TemplateEntryEditorPreferencePage.java

License:Apache License

/**
 * Implements the remove template action.
 *//*from   w ww . j  av a 2 s  .  co m*/
@SuppressWarnings("unchecked")
private void removeTemplateAction() {
    StructuredSelection selection = (StructuredSelection) templatesViewer.getSelection();
    if (!selection.isEmpty()) {
        Iterator<Object> selectionIterator = ((StructuredSelection) templatesViewer.getSelection()).iterator();
        while (selectionIterator.hasNext()) {
            Object selectedObject = selectionIterator.next();
            if (selectedObject instanceof Template) {
                Template template = (Template) selectedObject;

                if (!manager.removeTemplate(template)) {
                    // Creating and opening the dialog
                    String dialogTitle = Messages
                            .getString("TemplateEntryEditorPreferencePage.UnableToRemoveTheTemplate"); //$NON-NLS-1$
                    String dialogMessage = MessageFormat.format(Messages
                            .getString("TemplateEntryEditorPreferencePage.TheTemplateCouldNotBeRemoved") //$NON-NLS-1$
                            + EntryTemplatePluginUtils.LINE_SEPARATOR + EntryTemplatePluginUtils.LINE_SEPARATOR
                            + Messages.getString(
                                    "TemplateEntryEditorPreferencePage.SeeTheLogsFileForMoreInformation"), //$NON-NLS-1$
                            template.getTitle());
                    MessageDialog dialog = new MessageDialog(
                            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), dialogTitle, null,
                            dialogMessage, MessageDialog.ERROR, new String[] { IDialogConstants.OK_LABEL },
                            MessageDialog.OK);
                    dialog.open();
                }
            }
        }
    }
}