Source Viewer : WEB-INF/classes/org/apache/click/examples/page/form/StandardControlsForm.java

package org.apache.click.examples.page.form;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import javax.annotation.Resource;

import org.apache.click.control.Button;
import org.apache.click.control.Checkbox;
import org.apache.click.control.Field;
import org.apache.click.control.FieldSet;
import org.apache.click.control.FileField;
import org.apache.click.control.Form;
import org.apache.click.control.HiddenField;
import org.apache.click.control.ImageSubmit;
import org.apache.click.control.Label;
import org.apache.click.control.Option;
import org.apache.click.control.PasswordField;
import org.apache.click.control.Radio;
import org.apache.click.control.RadioGroup;
import org.apache.click.control.Reset;
import org.apache.click.control.Select;
import org.apache.click.control.Submit;
import org.apache.click.control.TextArea;
import org.apache.click.control.TextField;
import org.apache.click.examples.domain.Customer;
import org.apache.click.examples.page.BorderPage;
import org.apache.click.examples.service.CustomerService;
import org.apache.click.examples.util.ExampleUtils;
import org.apache.click.util.ContainerUtils;
import org.apache.click.dataprovider.DataProvider;
import org.springframework.stereotype.Component;

/**
 * Provides a form containing all the Standard Click Controls.
 */
@Component
public class StandardControlsForm extends BorderPage {

    private static final long serialVersionUID = 1L;

    /** Form options holder. */
    public static class Options implements Serializable {
        static final long serialVersionUID = 1L;
        boolean allFieldsRequired = false;
        boolean javaScriptValidate = false;
    }

    private Form form = new Form("form");
    private Form optionsForm = new Form("optionsForm");

    private Select select = new Select("select");
    private Checkbox allFieldsRequired = new Checkbox("allFieldsRequired");
    private Checkbox jsValidate = new Checkbox("jsValidate", "JavaScript Validate");

    @Resource(name="customerService")
    private CustomerService customerService;

    // Constructor ------------------------------------------------------------

    public StandardControlsForm() {
        addControl(form);
        addControl(optionsForm);

        form.setErrorsPosition(Form.POSITION_TOP);

        // Controls FieldSet
        FieldSet fieldSet = new FieldSet("fieldSet");
        form.add(fieldSet);

        fieldSet.add(new Checkbox("checkbox"));
        fieldSet.add(new FileField("fileField"));
        fieldSet.add(new HiddenField("hiddenField", String.class));
        String labelText = "<span style='color:blue;font-style:italic'>Label - note how label text spans both columns</span>";
        fieldSet.add(new Label("label", labelText));
        fieldSet.add(new PasswordField("passwordField"));
        fieldSet.add(new Radio("radio", "Radio", "radio"));
        RadioGroup radioGroup = new RadioGroup("radioGroup");
        radioGroup.add(new Radio("A"));
        radioGroup.add(new Radio("B"));
        radioGroup.add(new Radio("C"));
        fieldSet.add(radioGroup);
        fieldSet.add(select);
        fieldSet.add(new TextArea("textArea"));
        fieldSet.add(new TextField("textField"));

        Button button = new Button("button");
        button.setAttribute("onclick", "alert('Button clicked');");
        form.add(button);
        ImageSubmit imageSubmit = new ImageSubmit("image", "/assets/images/edit-button.gif");
        imageSubmit.setTitle("ImageSubmit");
        form.add(imageSubmit);
        form.add(new Reset("reset"));
        form.add(new Submit("save"));

        // Settings Form
        fieldSet = new FieldSet("options", "Form Options");
        allFieldsRequired.setAttribute("onclick", "form.submit();");
        fieldSet.add(allFieldsRequired);
        jsValidate.setAttribute("onclick", "form.submit();");
        fieldSet.add(jsValidate);
        optionsForm.add(fieldSet);
        optionsForm.setListener(this, "onOptionsSubmit");
    }

    // Event Handlers ---------------------------------------------------------

    /**
     * @see org.apache.click.Page#onInit()
     */
    @Override
    public void onInit() {
        super.onInit();

        // Set default non-selecting option
        select.setDefaultOption(new Option("[Select]"));

        // Create dataprovider for Select
        DataProvider dp = new DataProvider() {
            public List getData() {
                return createOptionList(customerService.getCustomers());
            }
        };
        select.setDataProvider(dp);

        applyOptions();
    }

    public boolean onOptionsSubmit() {
        Options options = new Options();
        options.allFieldsRequired = allFieldsRequired.isChecked();
        options.javaScriptValidate = jsValidate.isChecked();
        ExampleUtils.setSessionObject(options);
        applyOptions();
        return true;
    }

    // Private Methods --------------------------------------------------------

    private List createOptionList(List<Customer> customers) {
        List<Option> optionList = new ArrayList<Option>();
        for (Customer customer : customers) {
            optionList.add(new Option(customer.getId(), customer.getName()));
        }
        return optionList;
    }

    private void applyOptions() {
        Options options = (Options) ExampleUtils.getSessionObject(Options.class);

        form.setJavaScriptValidation(options.javaScriptValidate);
        for (Field field : ContainerUtils.getInputFields(form)) {
            field.setRequired(options.allFieldsRequired);
        }

        allFieldsRequired.setChecked(options.allFieldsRequired);
        jsValidate.setChecked(options.javaScriptValidate);
    }

}