package de.intevation.flys.client.client.ui;

import com.google.gwt.core.client.GWT;

import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Label;
import com.smartgwt.client.widgets.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.layout.VLayout;
import com.smartgwt.client.types.VerticalAlignment;

import de.intevation.flys.client.shared.model.Collection;
import de.intevation.flys.client.shared.model.CollectionRecord;
import de.intevation.flys.client.shared.model.DefaultCollection;

import de.intevation.flys.client.client.FLYSMessages;
import de.intevation.flys.client.shared.model.User;


/**
 * The project list shows a list of projects of a specific user.
 *
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
public class ProjectList extends VLayout {

    /** The interface that provides i18n messages. */
    private FLYSMessages messages = GWT.create(FLYSMessages.class);

    /** The user whose projects should be displayed.*/
    protected User user;

    /** The grid that contains the project rows.*/
    protected ListGrid grid;

    /**
     * The default constructor that creates a new ProjectList for a specific
     * user.
     *
     * @param user The user.
     */
    public ProjectList(User user) {
        this.user = user;

        grid = new CollectionGrid();
        initGrid();

        // TODO Remove the following code block after a service to fetch the
        // user collections has been implemented! Instead of these static lines,
        // a callback mechanism should be implemented that updates this widget
        // when the current user changes.
        Collection c1 = new DefaultCollection("uu-1");
        Collection c2 = new DefaultCollection("uu-2");
        CollectionRecord rec1 = new CollectionRecord(c1);
        CollectionRecord rec2 = new CollectionRecord(c2);
        grid.addData(rec1);
        grid.addData(rec2);

        init();
    }


    protected void initGrid() {
        grid.setEmptyMessage(messages.no_projects());
        grid.setLoadingDataMessage(messages.load_projects());
        grid.setShowRecordComponents(true);
        grid.setShowRecordComponentsByCell(true);
        grid.setCanRemoveRecords(false);
        grid.setShowHeader(false);
        grid.setWidth100();

        ListGridField date = new ListGridField("date", "date");
        ListGridField name = new ListGridField("name", "name");
        ListGridField pub  = new ListGridField("publish", "publish");
        ListGridField del  = new ListGridField("delete", "delete");

        date.setWidth(70);
        name.setWidth(155);
        pub.setWidth(35);
        del.setWidth(35);

        grid.setFields(date, name, pub, del);
    }


    /**
     * The init() method handles the layout stuff for this widget.
     */
    protected void init() {
        setWidth(300);
        setHeight100();
        setShowResizeBar(true);
        setShowEdges(false);
        setLayoutMargin(0);
        setLayoutAlign(VerticalAlignment.TOP);

        Label title = new Label(messages.projects());
        title.setHeight("20");
        title.setMargin(5);
        title.setWidth100();
        title.setStyleName("fontLightSmall");

        Canvas titleWrapper = new Canvas();
        titleWrapper.setStyleName("bgBlueDark");
        titleWrapper.setWidth100();
        titleWrapper.setHeight("20px");
        titleWrapper.addChild(title);

        Canvas gridWrapper = new Canvas();
        gridWrapper.setPadding(0);
        titleWrapper.setWidth100();
        gridWrapper.addChild(grid);

        addMember(titleWrapper);
        addMember(gridWrapper);
    }
}
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