import java.util.Iterator;
import java.util.Locale;
import java.util.Set;
+import java.util.Vector;
+import com.itmill.toolkit.data.Container;
+import com.itmill.toolkit.data.Item;
+import com.itmill.toolkit.data.Property;
import com.itmill.toolkit.data.Validator;
import com.itmill.toolkit.data.Property.ValueChangeEvent;
import com.itmill.toolkit.data.Property.ValueChangeListener;
+import com.itmill.toolkit.data.util.BeanItem;
import com.itmill.toolkit.data.validator.StringLengthValidator;
import com.itmill.toolkit.terminal.ClassResource;
import com.itmill.toolkit.terminal.DownloadStream;
import com.itmill.toolkit.ui.DateField;
import com.itmill.toolkit.ui.Embedded;
import com.itmill.toolkit.ui.ExpandLayout;
+import com.itmill.toolkit.ui.Field;
+import com.itmill.toolkit.ui.FieldFactory;
+import com.itmill.toolkit.ui.Form;
import com.itmill.toolkit.ui.FormLayout;
import com.itmill.toolkit.ui.GridLayout;
import com.itmill.toolkit.ui.InlineDateField;
"select/select", "select/native", "select/optiongroup",
"select/twincol", "filterselect", "validator", "table", "table/select",
"upload", "link", "gridlayout", "orderedlayout",
- "formlayout", "panel", "expandlayout", "tabsheet",
+ "formlayout", "form", "panel", "expandlayout", "tabsheet",
"alignment", "alignment/grid", "window", "window/opener",
"window/multiple", "classresource", "usererror",
"progress/window", "progress/thread", "progress",
example_OrderedLayout(main, param);
} else if (example.equals("formlayout")) {
example_FormLayout(main, param);
+ } else if (example.equals("form")) {
+ example_Form(main, param);
} else if (example.equals("tabsheet")) {
example_TabSheet(main, param);
} else if (example.equals("panel")) {
main.addComponent(layout);
}
+ void example_Form(Window main, String param) {
+ main.addComponent(new FormExample());
+ }
+
void example_ExpandLayout(Window main, String param) {
if (param != null && param.equals("centered")) {
Label widget = new Label("Here is text");
--- /dev/null
+package com.itmill.toolkit.tests.book;
+
+import java.util.Vector;
+
+import com.itmill.toolkit.data.Container;
+import com.itmill.toolkit.data.Item;
+import com.itmill.toolkit.data.Property;
+import com.itmill.toolkit.data.Validator;
+import com.itmill.toolkit.data.util.BeanItem;
+import com.itmill.toolkit.ui.Button;
+import com.itmill.toolkit.ui.Component;
+import com.itmill.toolkit.ui.CustomComponent;
+import com.itmill.toolkit.ui.ExpandLayout;
+import com.itmill.toolkit.ui.Field;
+import com.itmill.toolkit.ui.FieldFactory;
+import com.itmill.toolkit.ui.Form;
+import com.itmill.toolkit.ui.FormLayout;
+import com.itmill.toolkit.ui.OrderedLayout;
+import com.itmill.toolkit.ui.Select;
+import com.itmill.toolkit.ui.TextField;
+
+/**
+ * This example demonstrates the most important features of the Form component:
+ * binding Form to a JavaBean so that form fields are automatically generated
+ * from the bean properties, creation of fields with proper types for each bean
+ * properly using a FieldFactory, buffering (commit/discard), and validation.
+ *
+ * The Form is used with a FormLayout, which automatically lays the components
+ * out in a format typical for forms.
+ */
+public class FormExample extends CustomComponent {
+ /** Contact information data model. */
+ public class Contact {
+ String name = "";
+
+ String address = "";
+
+ int postalCode = 20540;
+
+ String city;
+ }
+
+ /** JavaBean wrapper for the data model. */
+ public class ContactBean extends Contact {
+ public ContactBean() {
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setAddress(String address) {
+ this.address = address;
+ }
+
+ public String getAddress() {
+ return address;
+ }
+
+ public void setPostalCode(String postalCode) {
+ try {
+ if (postalCode != null)
+ this.postalCode = Integer.parseInt(postalCode);
+ else
+ this.postalCode = 0;
+ } catch (NumberFormatException e) {
+ this.postalCode = 0;
+ }
+ }
+
+ public String getPostalCode() {
+ if (postalCode > 0)
+ return String.valueOf(postalCode);
+ else
+ return "";
+ }
+
+ public void setCity(String city) {
+ this.city = city;
+ }
+
+ public String getCity() {
+ return city;
+ }
+ }
+
+ /**
+ * Factory to create the proper type of field for each property type. We
+ * need to implement just one of the factory methods.
+ */
+ class MyFieldFactory implements FieldFactory {
+
+ public Field createField(Class type, Component uiContext) {
+ return null;
+ }
+
+ public Field createField(Property property, Component uiContext) {
+ return null;
+ }
+
+ public Field createField(Item item, Object propertyId,
+ Component uiContext) {
+ String pid = (String) propertyId;
+ if (pid.equals("name"))
+ return new TextField("Name");
+ if (pid.equals("address"))
+ return new TextField("Street Address");
+ if (pid.equals("postalCode")) {
+ TextField field = new TextField("Postal Code");
+ field.setColumns(5);
+ Validator postalCodeValidator = new Validator() {
+
+ public boolean isValid(Object value) {
+ if (value == null || !(value instanceof String))
+ return false;
+ int val = Integer.parseInt((String) value);
+ return val >= 10000 && val < 100000;
+ }
+
+ public void validate(Object value)
+ throws InvalidValueException {
+ if (!isValid(value))
+ throw new InvalidValueException(
+ "Postal code must be a number 10000-99999.");
+ }
+ };
+ field.addValidator(postalCodeValidator);
+ return field;
+ }
+ if (pid.equals("city")) {
+ Select select = new Select("City");
+ final String cities[] = new String[] { "Amsterdam", "Berlin",
+ "Helsinki", "Hong Kong", "London", "Luxemburg",
+ "New York", "Oslo", "Paris", "Rome", "Stockholm",
+ "Tokyo", "Turku" };
+ for (int i = 0; i < cities.length; i++)
+ select.addItem(cities[i]);
+ return select;
+ }
+ return null;
+ }
+
+ public Field createField(Container container, Object itemId,
+ Object propertyId, Component uiContext) {
+ return null;
+ }
+ }
+
+ public FormExample() {
+ // Create a form and use FormLayout as its layout.
+ final Form form = new Form();
+ final FormLayout layout = new FormLayout();
+ form.setLayout(layout);
+
+ // Set form caption and description texts
+ form.setCaption("Contact Information");
+ form.setDescription("Please enter valid name and address. Fields marked with * are required.");
+
+ // Use custom field factory to create the fields in the form.
+ form.setFieldFactory(new MyFieldFactory());
+
+ // Create the custom bean.
+ ContactBean bean = new ContactBean();
+
+ // Create a bean item that is bound to the bean.
+ BeanItem item = new BeanItem(bean);
+
+ // Bind the bean item as the data source for the form.
+ form.setItemDataSource(item);
+
+ // Set the order of the items in the form.
+ Vector order = new Vector();
+ order.add("name");
+ order.add("address");
+ order.add("postalCode");
+ order.add("city");
+ form.setVisibleItemProperties(order);
+
+ // Set required fields.
+ form.getField("name").setRequired(true);
+
+ form.setImmediate(true);
+ form.setWriteThrough(false);
+ form.setReadThrough(false);
+
+ // Add Ok and Reset controls to the form.
+ ExpandLayout footer = new ExpandLayout(
+ OrderedLayout.ORIENTATION_HORIZONTAL);
+ Button ok = new Button("Ok", form, "commit");
+ Button reset = new Button("Reset", form, "discard");
+ footer.addComponent(ok);
+ footer.setComponentAlignment(ok, ExpandLayout.ALIGNMENT_RIGHT,
+ ExpandLayout.ALIGNMENT_TOP);
+ footer.setHeight("30px");
+ footer.addComponent(reset);
+
+ OrderedLayout root = new OrderedLayout();
+ root.setWidth(400, OrderedLayout.UNITS_PIXELS);
+ root.addComponent(form);
+ root.addComponent(footer);
+ this.setCompositionRoot(root);
+ }
+}
projects / vaadin-framework.git / commitdiff