AFormField.java

package ilarkesto.form;

import java.util.ArrayList;
import java.util.List;

public abstract class AFormField implements FormField {

    private String name;

    private String label;

    private String hintText;

    private boolean required = false;

    private String errorMessage;

    private Form form;

    private List<FormFieldChangeListener> listeners;

    public AFormField(String name) {
        this.name = name;
        this.label = name;
    }

    public final FormField addFormFieldChangeListener(FormFieldChangeListener listener) {
        if (listeners == null) listeners = new ArrayList(1);
        listeners.add(listener);
        return this;
    }

    protected final void fireFieldValueChanged() {
        if (listeners == null) return;
        for (FormFieldChangeListener listener : listeners)
            listener.fieldValueChanged(this);
    }

    public final FormField setLabel(String value) {
        this.label = value;
        return this;
    }

    public final FormField setHintText(String value) {
        this.hintText = value;
        return this;
    }

    public final String getErrorMessage() {
        return errorMessage;
    }

    public final void setErrorMessage(String errorMessage) {
        this.errorMessage = errorMessage;
    }

    public final String getLabel() {
        return label;
    }

    public final String getHintText() {
        return hintText;
    }

    public final boolean isRequired() {
        return required;
    }

    public final AFormField setRequired(boolean required) {
        this.required = required;
        return this;
    }

    public final String getName() {
        return name;
    }

    public final Form getForm() {
        return form;
    }

    public final void setForm(Form form) {
        this.form = form;
    }

}