probe.com.view.core.MultiSelectionTable.java Source code

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Here is the source code for probe.com.view.core.MultiSelectionTable.java

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package probe.com.view.core;

import com.vaadin.annotations.StyleSheet;
import com.vaadin.data.Container.Indexed;
import com.vaadin.data.Item;
import com.vaadin.data.util.BeanContainer;
import com.vaadin.data.util.BeanItem;
import com.vaadin.event.SelectionEvent;
import com.vaadin.event.SelectionEvent.SelectionListener;
import com.vaadin.server.Sizeable.Unit;
import com.vaadin.ui.Grid;
import com.vaadin.ui.Grid.RowReference;
import com.vaadin.ui.Grid.RowStyleGenerator;
import com.vaadin.ui.Grid.SelectionMode;
import com.vaadin.ui.VerticalLayout;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.net.ssl.SSLEngineResult.Status;

/**
 *
 * @author y-mok_000
 */
@StyleSheet("itemhighlight.css")
public class MultiSelectionTable extends VerticalLayout implements SelectionListener {

    //        private Set<BeanItem<BugEntry>> editedItems = new HashSet<BeanItem<BugEntry>>();
    //        private Set<BeanItem<BugEntry>> oldEditedItems = new HashSet<BeanItem<BugEntry>>();

    /**
     *
     */

    public MultiSelectionTable() {
        setSpacing(true);
        // Set up combo boxes with possible values         
        setWidth(100, Unit.PERCENTAGE);
        // Editor is not enabled when
        setEnabled(false);

        Indexed datares = new BeanContainer(null);

        // Create new Grid with BeanItemContainer filled with BugEntries
        Grid grid = new Grid(datares);
        grid.setSizeFull();

        // Hide the "changed" property
        grid.removeColumn("changed");

        // Activate multi selection mode
        grid.setSelectionMode(SelectionMode.MULTI);

        // Add a rowstyle generator to display recently changed items.
        // Also uses another style for closed entries
        grid.setRowStyleGenerator(new RowStyleGenerator() {

            @Override
            public String getStyle(RowReference rowReference) {
                Item item = rowReference.getItem();
                boolean closed = item.getItemProperty("status").getValue() == Status.CLOSED;
                boolean changed = (Boolean) item.getItemProperty("changed").getValue();
                if (closed) {
                    if (changed) {
                        // Combined style
                        return "changed closed";
                    }
                    // Closed style
                    return "closed";
                } else if (changed) {
                    // Modified style
                    return "changed";
                }
                // No style
                return null;
            }
        });

        // Make Editor listen to changes in the selection of this Grid
        grid.addSelectionListener(this);

    }

    @Override
    public void select(SelectionEvent event) {
        // Logic for handling selection changes from Grid
        boolean empty = event.getSelected().isEmpty();
        if (!empty) {
            // Some items are selected. Make sure Editor is enabled
            setEnabled(true);

            // Keep track of items currently being edited.
        } else {
            // No items are selected. Disable editor.
            setEnabled(false);
        }
    }

}