HostInterfaceForm.java

package org.ovirt.engine.ui.webadmin.widget.host;

import java.util.List;

import org.ovirt.engine.core.common.businessentities.VDS;
import org.ovirt.engine.ui.uicommonweb.models.hosts.HostInterfaceLineModel;
import org.ovirt.engine.ui.uicommonweb.models.hosts.HostInterfaceListModel;

import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.Widget;

public class HostInterfaceForm extends Composite {

    private final Grid grid;

    @SuppressWarnings("unchecked")
    public HostInterfaceForm(final HostInterfaceListModel listModel, final VDS vds) {
        grid = new Grid(1, 4);
        grid.getColumnFormatter().setWidth(0, "230px"); //$NON-NLS-1$
        grid.getColumnFormatter().setWidth(1, "200px"); //$NON-NLS-1$
        grid.getColumnFormatter().setWidth(2, "795px"); //$NON-NLS-1$
        grid.getColumnFormatter().setWidth(3, "820px"); //$NON-NLS-1$
        grid.setWidth("100%"); //$NON-NLS-1$
        grid.setHeight("100%"); //$NON-NLS-1$
        initWidget(grid);

        List<HostInterfaceLineModel> interfaceLineModels = (List<HostInterfaceLineModel>) listModel.getItems();
        if (interfaceLineModels != null) {
            showModels(interfaceLineModels, vds);
        }

        listModel.getItemsChangedEvent().addListener((ev, sender, args) -> {
            HostInterfaceListModel model = (HostInterfaceListModel) sender;
            List<HostInterfaceLineModel> interfaceLineModels1 = (List<HostInterfaceLineModel>) model.getItems();
            showModels(interfaceLineModels1, vds);
        });

        listModel.getPropertyChangedEvent().addListener((ev, sender, args) -> {
            String propName = args.propertyName;
            if ("isSelectionAvailable".equals(propName)) { //$NON-NLS-1$
                if (listModel.getItems() != null) {
                    showModels((List<HostInterfaceLineModel>) listModel.getItems(), vds);
                }
            }
        });
    }

    InterfacePanel createInterfacePanel(HostInterfaceLineModel lineModel) {
        InterfacePanel panel = new InterfacePanel();
        panel.setWidth("100%"); //$NON-NLS-1$
        panel.setHeight("100%"); //$NON-NLS-1$
        panel.addInterfaces(lineModel.getInterfaces());
        return panel;
    }

    BondPanel createBondPanel(HostInterfaceLineModel lineModel, VDS vds) {
        BondPanel panel = new BondPanel(lineModel, vds);
        panel.setWidth("100%"); //$NON-NLS-1$
        panel.setHeight("100%"); //$NON-NLS-1$
        return panel;
    }

    VLanPanel createVLanPanel(HostInterfaceLineModel lineModel) {
        VLanPanel panel = new VLanPanel();
        panel.setWidth("100%"); //$NON-NLS-1$
        panel.setHeight("100%"); //$NON-NLS-1$
        panel.addVLans(lineModel);
        return panel;
    }

    StatisticsPanel createStatisticsPanel(HostInterfaceLineModel lineModel) {
        StatisticsPanel panel = new StatisticsPanel();
        panel.setWidth("100%"); //$NON-NLS-1$
        panel.setHeight("100%"); //$NON-NLS-1$
        panel.addInterfaces(lineModel.getInterfaces());
        return panel;
    }

    void showModels(List<HostInterfaceLineModel> interfaceLineModels, VDS vds) {
        this.setVisible(true);
        grid.resizeRows(interfaceLineModels.size());
        int row = 0;

        for (HostInterfaceLineModel lineModel : interfaceLineModels) {
            setGridWidget(row, 0, createInterfacePanel(lineModel));
            setGridWidget(row, 1, createBondPanel(lineModel, vds));
            setGridWidget(row, 2, createVLanPanel(lineModel));
            setGridWidget(row, 3, createStatisticsPanel(lineModel));
            row++;
        }
    }

    void setGridWidget(int row, int col, Widget widget) {
        grid.setWidget(row, col, widget);
        grid.getCellFormatter().setHeight(row, col, "100%"); //$NON-NLS-1$
    }
}