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package com.github.bordertech.wcomponents.examples;
import com.github.bordertech.wcomponents.Option;
import com.github.bordertech.wcomponents.OptionGroup;
import com.github.bordertech.wcomponents.WButton;
import com.github.bordertech.wcomponents.WComponent;
import com.github.bordertech.wcomponents.WContainer;
import com.github.bordertech.wcomponents.WField;
import com.github.bordertech.wcomponents.WFieldLayout;
import com.github.bordertech.wcomponents.WSingleSelect;
import com.github.bordertech.wcomponents.examples.common.ExampleLookupTable.TableWithNullOption;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* This example demonstrates usage of the {@link WSingleSelect} component.
*
* @author Mark Reeves
* @since 1.0.0
*/
public class WSingleSelectExample extends WContainer {
/**
* Some array data for the drop downs.
*/
private static final String[] OPTIONS_ARRAY = {"option 1", "option 2", "option 3", "Adoption 1", "Adoption 2", "adoption 3", "the", "quick", "brown", "fox", "jumped", "over", "the", "lazy", "dogs"};
/**
* Some array data for the drop downs.
*/
private static final String[] OPTIONS_NULL_ARRAY = {null, "option 1", "option 2", "option 3", "Adoption 1", "Adoption 2", "adoption 3", "the", "quick", "brown", "fox", "jumped", "over", "the", "lazy", "dogs"};
/**
* Some list data for the drop downs.
*/
private static final List OPTIONS_LIST = Arrays.asList(OPTIONS_ARRAY);
/**
* the screen layout.
*/
private final WFieldLayout layout = new WFieldLayout();
/**
* Creates a WSingleSelectExample.
*/
public WSingleSelectExample() {
List people = new ArrayList<>();
people.add(new Person("123", "Joe", "Bloggs"));
people.add(new Person("456", "Jane", "Doe"));
people.add(new Person("789", "Fred", "Nerk"));
List peopleOptions = new ArrayList<>();
for (Person person : people) {
peopleOptions.add(new PersonOption(person));
}
WSingleSelect sSelect = new WSingleSelect(OPTIONS_ARRAY);
sSelect.setRows(3);
addFieldToLayout(sSelect, "Simple Select list", null);
sSelect = new WSingleSelect(OPTIONS_ARRAY);
sSelect.setSelected(OPTIONS_ARRAY[1]);
sSelect.setRows(3);
addFieldToLayout(sSelect, "Simple Select list with default selection", null);
sSelect = new WSingleSelect(OPTIONS_NULL_ARRAY);
addFieldToLayout(sSelect, "Simple Select list, with \"null\" option", null);
sSelect = new WSingleSelect(OPTIONS_NULL_ARRAY) {
@Override
public String getDesc(final Object option, final int index) {
if (option == null) {
return "Select one";
} else {
return super.getDesc(option, index);
}
}
};
addFieldToLayout(sSelect, "Simple Select list, with custom \"null\" selection text", null);
sSelect = new WSingleSelect(OPTIONS_ARRAY);
sSelect.setSelected(OPTIONS_ARRAY[1]);
sSelect.setReadOnly(true);
addFieldToLayout(sSelect, "Simple Select list, read-only", null);
sSelect = new WSingleSelect(OPTIONS_ARRAY);
sSelect.setSelected(OPTIONS_ARRAY[1]);
sSelect.setDisabled(true);
addFieldToLayout(sSelect, "Simple Select list, disabled", null);
sSelect = new WSingleSelect(people);
sSelect.setRows(3);
addFieldToLayout(sSelect, "Select list with a list of beans",
"This is an example sSelect with data from a non-textual source.");
sSelect = new WSingleSelect(peopleOptions);
sSelect.setRows(3);
addFieldToLayout(sSelect, "Select list with a list of options", null);
OptionGroup stringGroup = new OptionGroup("Strings", OPTIONS_LIST);
OptionGroup peopleGroup = new OptionGroup("People", people);
sSelect = new WSingleSelect(new Object[]{stringGroup, peopleGroup, "Ungrouped option"});
sSelect.setRows(5);
addFieldToLayout(sSelect, "Select list with option groups", null);
sSelect = new WSingleSelect("icao");
sSelect.setRows(10);
addFieldToLayout(sSelect, "Select list with cached data from a look up table",
"see ExampleLookupTable for data");
sSelect = new WSingleSelect(new TableWithNullOption("icao"));
sSelect.setRows(10);
addFieldToLayout(sSelect,
"Select list with cached data from a look up table with Null Option",
"see ExampleLookupTable for data");
sSelect = new WSingleSelect(new TableWithNullOption("icao", "Select one please"));
sSelect.setRows(10);
addFieldToLayout(sSelect, "Select list with cached data with a custom null option",
"see ExampleLookupTable for data");
add(layout);
add(new WButton("submit"));
}
/**
* A simple "person" bean used by the example.
*/
private static final class Person implements Serializable {
/**
* The person's first name.
*/
private String firstName;
/**
* The person's last name.
*/
private String lastName;
/**
* The person's id.
*/
private String id;
/**
* Creates a Person bean.
*
* @param id the person id.
* @param firstName the first name.
* @param lastName the last name.
*/
private Person(final String id, final String firstName, final String lastName) {
this.id = id;
this.firstName = firstName;
this.lastName = lastName;
}
/**
* @return Returns the firstName.
*/
public String getFirstName() {
return firstName;
}
/**
* @param firstName The firstName to set.
*/
public void setFirstName(final String firstName) {
this.firstName = firstName;
}
/**
* @return Returns the lastName.
*/
public String getLastName() {
return lastName;
}
/**
* @param lastName The lastName to set.
*/
public void setLastName(final String lastName) {
this.lastName = lastName;
}
/**
* @return Returns the id.
*/
public String getId() {
return id;
}
/**
* @param id The id to set.
*/
public void setId(final String id) {
this.id = id;
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
return firstName + ' ' + lastName;
}
}
/**
* Applications can wrap options inside lists in order to provide custom
* text and values for the drop down.
*/
private static final class PersonOption implements Option, Serializable {
/**
* The person bean for this option.
*/
private final Person person;
/**
* Creates a PersonOption.
*
* @param person the person to wrap.
*/
private PersonOption(final Person person) {
this.person = person;
}
/**
* {@inheritDoc}
*/
@Override
public String getCode() {
return person.getId();
}
/**
* {@inheritDoc}
*/
@Override
public String getDesc() {
return person.getLastName() + ", " + person.getFirstName();
}
}
/**
* Adds a field to the example's layout.
*
* @param input the input field to add.
* @param labelText the label text for the field.
* @param labelHint the optional label hint for the field.
*/
private void addFieldToLayout(final WComponent input, final String labelText,
final String labelHint) {
WField field = layout.addField(labelText, input);
if (labelHint != null) {
field.getLabel().setHint(labelHint);
}
}
}
