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package com.vaadin.tests.components;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.ui.AbstractComponent;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.Field;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.NativeSelect;
public abstract class ComponentTestCase<T extends AbstractComponent> extends
AbstractComponentTestCase<T> {
protected static final Object CAPTION = "caption";
private HorizontalLayout actionLayout;
@Override
protected final void setup() {
// Create action layout so it appears before the components
actionLayout = createActionLayout();
addComponent(actionLayout);
super.setup();
// Create actions and add to layout
populateActionLayout();
}
protected void populateActionLayout() {
for (Component c : createActions()) {
addAction(c);
}
}
private void addAction(Component c) {
actionLayout.addComponent(c);
actionLayout.setComponentAlignment(c, Alignment.BOTTOM_LEFT);
}
/**
* Override to provide custom actions for the test case.
*
* @param actions
* Array with default actions. Add custom actions to this. Never
* null.
*/
protected void createCustomActions(List<Component> actions) {
}
/**
* Method that creates the "actions" shown in the upper part of the screen.
* Override this only if you do not want the default actions. Custom actions
* can be added through #createCustomActions();
*
* @return A List with actions to which more actions can be added.
*/
protected List<Component> createActions() {
ArrayList<Component> actions = new ArrayList<Component>();
actions.add(createEnabledAction(true));
actions.add(createReadonlyAction(false));
actions.add(createErrorIndicatorAction(false));
if (Field.class.isAssignableFrom(getTestClass())) {
actions.add(createRequiredAction(false));
}
createCustomActions(actions);
return actions;
}
private HorizontalLayout createActionLayout() {
HorizontalLayout actionLayout = new HorizontalLayout();
actionLayout.setSpacing(true);
actionLayout.setMargin(true);
return actionLayout;
}
protected Component createErrorIndicatorAction(boolean initialState) {
return createBooleanAction("Error indicators", initialState,
errorIndicatorCommand);
}
protected Component createEnabledAction(boolean initialState) {
return createBooleanAction("Enabled", initialState, enabledCommand);
}
protected Component createReadonlyAction(boolean initialState) {
return createBooleanAction("Readonly", initialState, readonlyCommand);
}
protected Component createRequiredAction(boolean initialState) {
return createBooleanAction("Required", initialState, requiredCommand);
}
protected Component createBooleanAction(String caption,
boolean initialState, final Command<T, Boolean> command) {
CheckBox checkBox = new CheckBox(caption);
checkBox.addListener(new ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
boolean enabled = (Boolean) event.getProperty().getValue();
doCommand(command, enabled);
}
});
checkBox.setValue(initialState);
checkBox.setImmediate(true);
checkBox.setId("checkboxaction-" + caption);
// Set default value for all components
doCommand(command, initialState);
return checkBox;
}
protected Component createButtonAction(String caption,
final Command<T, Boolean> command) {
Button button = new Button(caption);
button.setData(Boolean.FALSE);
button.addListener(new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
Button b = event.getButton();
boolean state = (Boolean) b.getData();
b.setData(!state);
doCommand(command, state);
}
});
button.setId("buttonaction-" + caption);
button.setImmediate(true);
return button;
}
protected <TYPE> Component createSelectAction(String caption,
LinkedHashMap<String, TYPE> options, String initialValue,
final Command<T, TYPE> command) {
final String CAPTION = "caption";
final String VALUE = "value";
final NativeSelect select = new NativeSelect(caption);
select.addContainerProperty(CAPTION, String.class, "");
select.addContainerProperty(VALUE, Object.class, "");
select.setItemCaptionPropertyId(CAPTION);
select.setNullSelectionAllowed(false);
select.addListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
Object itemId = event.getProperty().getValue();
Item item = select.getItem(itemId);
@SuppressWarnings("unchecked")
TYPE value = (TYPE) item.getItemProperty(VALUE).getValue();
doCommand(command, value);
}
});
for (String itemCaption : options.keySet()) {
Object itemId = new Object();
Item i = select.addItem(itemId);
i.getItemProperty(CAPTION).setValue(itemCaption);
i.getItemProperty(VALUE).setValue(options.get(itemCaption));
if (itemCaption.equals(initialValue)) {
select.setValue(itemId);
}
}
select.setId("selectaction-" + caption);
select.setImmediate(true);
return select;
}
}
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