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package com.vaadin.demo.reservation.simple;
import com.vaadin.data.Item;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.Button;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.AbstractSelect.NewItemHandler;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
@SuppressWarnings("serial")
public class AdminView extends VerticalLayout {
private ComboBox resources = new ComboBox(
"Select for editing or type new resource");
private SimpleReserver application;
private VerticalLayout form = new VerticalLayout();
private Button save = new Button("Save resource");
private TextField name = new TextField("Name:");
private TextField desc = new TextField("Description:");
protected Item editedItem;
AdminView(SimpleReserver app) {
setWidth("250px");
application = app;
resources.setImmediate(true);
resources.setFilteringMode(ComboBox.FILTERINGMODE_CONTAINS);
refreshList();
resources.setItemCaptionMode(ComboBox.ITEM_CAPTION_MODE_PROPERTY);
resources.setItemCaptionPropertyId(SampleDB.Resource.PROPERTY_ID_NAME);
resources.setNewItemsAllowed(true);
resources.setNewItemHandler(new NewItemHandler() {
public void addNewItem(String newItemCaption) {
name.setValue(newItemCaption);
desc.setValue("");
form.setVisible(true);
}
});
resources.addListener(new ComboBox.ValueChangeListener() {
public void valueChange(ValueChangeEvent event) {
if (resources.getValue() != null) {
editedItem = resources.getItem(resources.getValue());
name
.setPropertyDataSource(editedItem
.getItemProperty(SampleDB.Resource.PROPERTY_ID_NAME));
desc
.setPropertyDataSource(editedItem
.getItemProperty(SampleDB.Resource.PROPERTY_ID_DESCRIPTION));
form.setVisible(true);
} else {
form.setVisible(false);
editedItem = null;
}
}
});
addComponent(resources);
form.setVisible(false);
addComponent(form);
form.addComponent(name);
form.addComponent(desc);
name.setWidth("100%");
desc.setWidth("100%");
form.addComponent(save);
save.addListener(new ClickListener() {
public void buttonClick(ClickEvent event) {
if (editedItem == null) {
// save
int addResource = application.getDb().addResource(
name.getValue().toString(),
desc.getValue().toString());
} else {
// update
application.getDb().updateResource(editedItem,
name.getValue().toString(),
desc.getValue().toString());
}
resources.setValue(null);
refreshList();
}
});
}
private void refreshList() {
resources
.setContainerDataSource(application.getDb().getResources(null));
}
}
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