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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.bulkeditor;
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import java.util.Comparator;
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import org.apache.log4j.Logger;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.FocusEvent;
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import org.eclipse.swt.events.FocusListener;
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import org.eclipse.swt.events.KeyAdapter;
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import org.eclipse.swt.events.KeyEvent;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.graphics.Rectangle;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Menu;
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import org.eclipse.swt.widgets.MenuItem;
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import org.eclipse.swt.widgets.Text;
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import org.eclipse.swt.widgets.ToolBar;
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import org.eclipse.swt.widgets.ToolItem;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.PlatformUI;
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import org.eclipse.ui.swt.IFocusService;
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import eu.etaxonomy.cdm.api.service.config.IIdentifiableEntityServiceConfigurator;
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import eu.etaxonomy.cdm.api.service.config.impl.IdentifiableServiceConfiguratorImpl;
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import eu.etaxonomy.taxeditor.bulkeditor.input.AbstractBulkEditorInput;
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import eu.etaxonomy.taxeditor.preference.Resources;
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/**
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* <p>BulkEditorSearchComposite class.</p>
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*
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* @author p.ciardelli
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* @author e.-m.lee
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* @created 17.08.2009
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* @version 1.0
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*/
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public class BulkEditorSearchComposite extends Composite {
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private static final Logger logger = Logger.getLogger(BulkEditorSearchComposite.class);
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private IEditorPart editor;
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private IBulkEditorSortMenuProvider menuProvider;
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private Menu sortMenu;
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private Text text;
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private static final String DEFAULT_TEXT = "Use \"*\" for wildcard searching";
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public Object ORDER_BY = new Object();
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private ToolItem toolItem;
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/**
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* <p>Constructor for BulkEditorSearchComposite.</p>
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*
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* @param parent a {@link org.eclipse.swt.widgets.Composite} object.
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* @param style a int.
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* @param editor a {@link org.eclipse.ui.IEditorPart} object.
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*/
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public BulkEditorSearchComposite(IEditorPart editor, Composite parent, int style) {
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super(parent, style);
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this.editor = editor;
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this.menuProvider = new BulkEditorSortMenuProvider();
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createControl();
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}
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/*
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* Creates the search control.
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*/
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/**
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* <p>createControl</p>
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*/
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protected void createControl() {
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createLayout();
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createSearchTextField();
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createToolBar();
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registerAtFocusService();
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setSearchEnabled(false);
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}
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/**
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* Handles focus changes for the textfield.
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*/
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private void registerAtFocusService() {
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IFocusService focusService =
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(IFocusService) PlatformUI.getWorkbench().getService(IFocusService.class);
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if (focusService != null) {
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focusService.addFocusTracker(text, "bulkeditor.textControlId");
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}
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}
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/**
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* Creates the search toolbar.
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*/
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private void createToolBar() {
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final ToolBar toolBar = new ToolBar(this, SWT.NULL);
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toolItem = new ToolItem(toolBar, SWT.DROP_DOWN | SWT.BORDER);
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toolItem.setText("Search");
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DropdownMenu dropdownMenu = new DropdownMenu(toolItem);
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toolItem.addSelectionListener(dropdownMenu);
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}
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/**
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* Creates the search textfield.
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*/
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private void createSearchTextField() {
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text = new Text(this, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION);
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text.setText(DEFAULT_TEXT);
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text.setForeground(BulkEditorUtil.getColor(Resources.SEARCH_VIEW_FOREGROUND));
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text.addFocusListener(new FocusListener() {
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public void focusGained(FocusEvent e) {
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text.setForeground(BulkEditorUtil.getColor(Resources.SEARCH_VIEW_FOCUS));
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if (DEFAULT_TEXT.equals(text.getText())) {
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text.setText("");
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}
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}
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public void focusLost(FocusEvent e) {
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if (text.getText() == "") {
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text.setForeground(BulkEditorUtil.getColor(Resources.SEARCH_VIEW_FOREGROUND));
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text.setText(DEFAULT_TEXT);
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setSearchEnabled(false);
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} else {
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setSearchEnabled(true);
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}
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}
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});
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text.addKeyListener(new KeyAdapter() {
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.KeyAdapter#keyReleased(org.eclipse.swt.events.KeyEvent)
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*/
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@Override
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public void keyReleased(KeyEvent e) {
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if (e.keyCode == SWT.CR) {
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updateEditorInput();
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}
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}
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});
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GridData gridData = new GridData(SWT.FILL, SWT.TOP, true, false);
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text.setLayoutData(gridData);
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}
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/**
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* Creates the search layout.
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*/
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private void createLayout() {
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GridLayout gridLayout = new GridLayout();
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gridLayout.numColumns = 3;
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gridLayout.marginHeight = 0;
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gridLayout.marginWidth = 12;
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setLayout(gridLayout);
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}
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/*
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* Toggles the availability of the search toolItem.
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*/
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private void setSearchEnabled(boolean enabled) {
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// toolItem.setEnabled(enabled);
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}
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/*
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* Shows the results of the search.
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*/
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private void updateEditorInput() {
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String searchString = getSearchString();
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if(!DEFAULT_TEXT.equals(searchString.trim()) && searchString.length() > 0){
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// update query in IEditorInput
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IEditorInput input = editor.getEditorInput();
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if (input instanceof AbstractBulkEditorInput) {
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((AbstractBulkEditorInput) input).setQuery(new BulkEditorQuery(getSearchString(), getComparator()));
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}
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}
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}
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/*
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* Handles drop down menu selection.
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*/
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class DropdownMenu extends SelectionAdapter {
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/**
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* @param dropdown
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*/
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public DropdownMenu(ToolItem dropdown) {
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sortMenu = new Menu(dropdown.getParent().getShell());
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MenuItem menuItem = new MenuItem(sortMenu, SWT.PUSH);
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menuItem.setText("Order by:");
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menuItem.setData(ORDER_BY);
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new MenuItem(sortMenu, SWT.SEPARATOR);
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menuProvider.fillMenu(editor.getEditorInput(), sortMenu);
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SelectionListener listener = new SortListSelectionListener();
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for (MenuItem item : sortMenu.getItems()) {
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if (item.getData() instanceof Comparator) {
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item.addSelectionListener(listener);
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}
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}
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}
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
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*/
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public void widgetSelected(SelectionEvent event) {
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if (event.detail == SWT.ARROW) {
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ToolItem item = (ToolItem) event.widget;
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Rectangle rect = item.getBounds();
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Point pt = item.getParent().toDisplay(new Point(rect.x, rect.y));
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sortMenu.setLocation(pt.x, pt.y + rect.height);
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sortMenu.setVisible(true);
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} else {
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updateEditorInput();
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}
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}
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}
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/*
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* Handles search configuration selection.
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*/
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class SortListSelectionListener extends SelectionAdapter {
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public void widgetSelected(SelectionEvent e) {
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for (MenuItem item : sortMenu.getItems()) {
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if (item.getData() instanceof Comparator) {
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if (item.equals(e.getSource())) {
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item.setSelection(true);
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} else {
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item.setSelection(false);
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}
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}
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}
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}
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}
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/*
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* Returns the current string in the search textfield.
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* @return the content of the textfield
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*/
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/**
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* <p>getSearchString</p>
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*
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* @return a {@link java.lang.String} object.
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*/
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public String getSearchString() {
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return text.getText().trim();
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}
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/*
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*
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*/
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/**
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* <p>getComparator</p>
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*
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* @return a {@link java.util.Comparator} object.
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*/
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public Comparator getComparator() {
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Comparator comparator;
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for (MenuItem item : sortMenu.getItems()) {
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if (item.getSelection() == true && item.getData() instanceof Comparator) {
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return (Comparator) item.getData();
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}
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}
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return null;
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};
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/*
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*
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*/
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class BulkEditorQuery implements IBulkEditorQuery {
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private String searchString;
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private Comparator comparator;
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private IIdentifiableEntityServiceConfigurator searchConfigurator;
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BulkEditorQuery (String searchString, Comparator comparator) {
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this.searchString = searchString;
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this.comparator = comparator;
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searchConfigurator = IdentifiableServiceConfiguratorImpl.NewInstance();
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searchConfigurator.setTitleSearchString(searchString);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorQuery#getComparator()
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*/
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public Comparator getComparator() {
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return comparator;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorQuery#getSearchString()
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*/
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public String getSearchString() {
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return searchString;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorQuery#getSearchConfigurator()
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*/
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public IIdentifiableEntityServiceConfigurator getSearchConfigurator() {
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return searchConfigurator;
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}
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}
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}
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