/*
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Dec 1st 2001, Fermi National Accelerator Laboratory (FNAL) documents and
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*/
package org.dcache.webadmin.view.panels.alarms;
import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator;
import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.CheckBox;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import java.util.UUID;
/**
* Provides javascript functionality for selecting and deselecting all
* checkboxes in a data table column based on a checkbox in the table header for
* that column.
*
* @author arossi
*/
public final class CheckPanel extends Panel {
private static final long serialVersionUID = 4172391497442451620L;
private final CheckBox checkBox;
public abstract static class CheckBoxColumn<T, S> extends AbstractColumn<T, S> {
private static final long serialVersionUID = 8433056726333659452L;
private final String uuid
= UUID.randomUUID().toString().replace("-", "");
private final String headerLabel;
private CheckPanel headerPanel;
public CheckBoxColumn(String headerLabel, IModel<String> displayModel) {
super(displayModel);
this.headerLabel = headerLabel;
}
@Override
public void populateItem(Item<ICellPopulator<T>> cellItem,
String componentId, IModel<T> rowModel) {
CheckPanel panel = new CheckPanel(componentId,
newCheckBoxModel(rowModel), uuid);
cellItem.add(panel);
}
protected abstract IModel<Boolean> newCheckBoxModel(IModel<T> rowModel);
@Override
public Component getHeader(String componentId) {
headerPanel = new CheckPanel(componentId, headerLabel,
new Model<Boolean>(), uuid);
headerPanel.get("check").add(new Behavior() {
private static final long serialVersionUID = -4210875030052297922L;
@Override
public void onComponentTag(Component component, ComponentTag tag) {
tag.put("onclick", "checkAll(this, '" + uuid + "')");
}
});
return headerPanel;
}
public void clearHeader() {
if (headerPanel !=null) {
headerPanel.checkBox.setModelObject(false);
}
}
}
public CheckPanel(String id, String label, IModel<Boolean> checkModel,
String uuid) {
super(id);
add(new Label("label", label));
checkBox = newCheckBox("check", checkModel, uuid);
add(checkBox);
}
public CheckPanel(String id, IModel<Boolean> checkModel, String uuid) {
/*
* label is in the mark-up so it needs to be added here
*/
this(id, "", checkModel, uuid);
}
protected CheckBox newCheckBox(String id, IModel<Boolean> checkModel,
final String uuid) {
return new CheckBox("check", checkModel) {
private static final long serialVersionUID = -1397557248166283200L;
@Override
protected void onComponentTag(ComponentTag tag) {
super.onComponentTag(tag);
tag.append("class", uuid, " ");
}
};
}
}