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package com.vaadin.tests.components.table;
import com.vaadin.data.Container;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.data.util.IndexedContainer;
import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.BaseFieldFactory;
import com.vaadin.ui.Button;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.Field;
import com.vaadin.ui.FieldFactory;
import com.vaadin.ui.Label;
import com.vaadin.ui.Table;
import com.vaadin.ui.AbstractSelect.NewItemHandler;
import com.vaadin.ui.Table.ColumnGenerator;
public class PropertyValueChange extends TestBase {
@Override
protected String getDescription() {
return "Property value change should only update absolutely "
+ "needed cells. Tables have common datasource. The first is "
+ "editable, second one has data in disabled fields, the lastone "
+ "is plain table that directly shows data. Use first table and "
+ "combobox/sync button to send changed values to server and evaluate "
+ "given uidl responses.";
}
@Override
protected Integer getTicketNumber() {
return 2823;
}
private IndexedContainer container;
// Also use column generator in test, to ensure it is possible to build
// columns that update automatically.
ColumnGenerator multiplier = new ColumnGenerator() {
private int getMultipliedValue(Property p) {
int i = ((Integer) p.getValue()).intValue();
return i * 3;
}
public Component generateCell(Table source, Object itemId,
Object columnId) {
final Label l = new Label();
final Property integer = source.getContainerProperty(itemId,
"integer");
l.setValue(getMultipliedValue(integer));
// we must hook value change listener to ensure updates in all use
// cases (eg. edit mode)
if (integer instanceof Property.ValueChangeNotifier) {
Property.ValueChangeNotifier notifier = (Property.ValueChangeNotifier) integer;
notifier.addListener(new ValueChangeListener() {
public void valueChange(ValueChangeEvent event) {
l.setValue(getMultipliedValue(integer));
}
});
}
return l;
}
};
FieldFactory ff = new MyFieldFactory();
@Override
public void setup() {
container = new IndexedContainer();
container.addContainerProperty("text", String.class, "sampletext");
container.addContainerProperty("integer", Integer.class, 5);
container.addItem();
container.addItem();
Table t1 = new Table(
"Editable table with bells and wistles. See description.");
t1.setDescription("Opening combobox should never fire table"
+ " refresh (for this table). Update from textfield "
+ "(integer) may be sent to server however. The readonly table"
+ " my refresh, but not this one.");
t1.setPageLength(0);
t1.setContainerDataSource(container);
t1.addGeneratedColumn("integer x 3", multiplier);
t1.setFieldFactory(ff);
t1.setEditable(true);
t1.setDebugId("editortable");
Table t2 = new Table(
"A clone of table1, but disabled. Properties are in components.");
t2
.setDescription("This table is in editable mode."
+ " Updates to common datasource should not affect redraw for this "
+ "table. Only the components inside table should get updated.");
t2.setFieldFactory(ff);
t2.setEditable(true);
t2.setEnabled(false);
t2.setContainerDataSource(container);
t2.addGeneratedColumn("integer x 3", multiplier);
t2.setPageLength(0);
t2.setDebugId("disabled table");
Table reader = new Table("Reader table");
reader
.setDescription("This table should be redrawn on container changes as container data is "
+ "displayed directly in cells.");
reader.setContainerDataSource(container);
reader.addGeneratedColumn("integer x 3", multiplier);
reader.setPageLength(0);
reader.setDebugId("reader table");
getLayout().addComponent(t1);
getLayout().addComponent(t2);
getLayout().addComponent(reader);
getLayout().addComponent(new Button("Sync!"));
}
}
class MyFieldFactory extends BaseFieldFactory {
IndexedContainer texts = new IndexedContainer();
public MyFieldFactory() {
texts.addItem("sampletext");
texts.addItem("foo");
texts.addItem("bar");
for (int i = 0; i < 100; i++) {
texts.addItem("foo" + 1);
}
}
@Override
public Field createField(Container container, Object itemId,
Object propertyId, Component uiContext) {
if (propertyId.equals("text")) {
// replace text fields with comboboxes
final ComboBox cb = new ComboBox() {
};
cb.setContainerDataSource(texts);
cb.setNewItemsAllowed(true);
cb.setNewItemHandler(new NewItemHandler() {
public void addNewItem(String newItemCaption) {
texts.addItem(newItemCaption);
cb.setValue(newItemCaption);
}
});
return cb;
}
return super.createField(container, itemId, propertyId, uiContext);
}
}
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