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package eu.etaxonomy.taxeditor.editor.view.checklist.listener;
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import java.util.SortedSet;
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import org.apache.log4j.Logger;
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import org.eclipse.jface.viewers.TableViewer;
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import org.eclipse.jface.wizard.WizardDialog;
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import org.eclipse.swt.SWT;
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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.graphics.Point;
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import org.eclipse.swt.graphics.Rectangle;
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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.Table;
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import org.eclipse.swt.widgets.TableColumn;
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import org.eclipse.swt.widgets.ToolItem;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.taxeditor.editor.Messages;
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import eu.etaxonomy.taxeditor.editor.view.checklist.ChecklistEditor;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.preference.wizard.AvailableDistributionWizard;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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* Handles drop down menu selection. Available items are defined in the
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* enumeration SearchOption.
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*
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* @author n.hoffmann
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* @created Feb 2, 2010
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* @version 1.0
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*/
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public class ChecklistDropdownSelectionListener extends SelectionAdapter {
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private final Menu menu;
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private final ChecklistEditor editor;
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private final SortedSet<DefinedTermBase> termSet;
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private Logger logger = Logger.getLogger(ChecklistDropdownSelectionListener.class);
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public ChecklistDropdownSelectionListener(ToolItem dropdown, ChecklistEditor editor,
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SortedSet<DefinedTermBase> termSet) {
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this.editor = editor;
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this.termSet = termSet;
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menu = new Menu(dropdown.getParent().getShell());
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initialMenuItem();
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}
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// SearchOption option
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public void add(DefinedTermBase<DefinedTermBase> term) {
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MenuItem menuItem = new MenuItem(menu, SWT.CHECK);
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menuItem.setText(term.getTitleCache());
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if (PreferencesUtil.getPreferenceStore().getBoolean(term.getUuid().toString())) {
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menuItem.setSelection(true);
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} else {
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menuItem.setSelection(false);
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}
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menuItem.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent event) {
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MenuItem selected = (MenuItem) event.widget;
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TableViewer viewer = (TableViewer) editor.getViewer();
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final Table table = viewer.getTable();
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// TODO make it selectable according to selection event
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TableColumn column = null;
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DefinedTermBase<DefinedTermBase> selectedTerm = null;
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if (termSet != null) {
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TableColumn[] columns = viewer.getTable().getColumns();
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for(int i=0; i<columns.length; i++){
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if(selected.getText().equalsIgnoreCase(columns[i].getText())){
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column = columns[i];
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logger.info("Column no " +i +" Column Header "+ column.getText() ); //$NON-NLS-1$ //$NON-NLS-2$
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for (DefinedTermBase<DefinedTermBase> term : termSet) {
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if(column.getText().equalsIgnoreCase(term.getTitleCache())){
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selectedTerm = term;
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break;
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}
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}
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}
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}
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}
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if (column != null && column.getWidth() == 0) {
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// save column status if shown or not
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if (selectedTerm != null) {
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PreferencesUtil.getPreferenceStore().setValue(selectedTerm.getUuid().toString(), true);
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}
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column.setWidth(100);
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} else if (column != null) {
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if (selectedTerm != null) {
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PreferencesUtil.getPreferenceStore().setValue(selectedTerm.getUuid().toString(), false);
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}
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column.setWidth(0);
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}
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}
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});
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}
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private void initialMenuItem(){
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MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
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menuItem.setText(Messages.ChecklistDropdownSelectionListener_ADD_DISTRIBUTION);
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menuItem.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent event) {
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AvailableDistributionWizard availableDistributionWizard = new AvailableDistributionWizard();
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WizardDialog dialog = new WizardDialog(StoreUtil.getShell(),
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availableDistributionWizard);
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int open = dialog.open();
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if(open == 0){
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editor.reload();
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}
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}
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});
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new MenuItem(menu, SWT.SEPARATOR);
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}
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@Override
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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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menu.setLocation(pt.x, pt.y + rect.height);
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menu.setVisible(true);
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} else {
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menu.setVisible(true);
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}
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}
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public Menu getMenu(){
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return menu;
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}
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}
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