TextFormField.java

package ilarkesto.form;

import ilarkesto.form.validator.Validator;

import java.util.Collection;
import java.util.Map;

import org.apache.commons.fileupload.FileItem;

public class TextFormField extends AFormField {

	private String value;
	private boolean trim = true;
	private boolean emptyIsNull = true;
	private Validator validator;
	private int width = 40;
	private String suffix;
	private InputAssistant inputAssistant;
	private InputAssistantButton inputAssistantButton;

	public TextFormField(String name) {
		super(name);
		inputAssistantButton = (InputAssistantButton) new InputAssistantButton(Form.BUTTON_PREFIX
				+ Form.INPUTASSISTANT_BUTTON_NAME_PREFIX + name).setValidateForm(false).setLabel("Auswahl...").setIcon(

		"inputAssistant");
	}

	public InputAssistantButton getInputAssistantButton() {
		return inputAssistantButton;
	}

	public TextFormField setSuffix(String suffix) {
		this.suffix = suffix;
		return this;
	}

	public TextFormField setInputAssistant(InputAssistant inputAssistant) {
		this.inputAssistant = inputAssistant;
		return this;
	}

	public boolean isInputAssistantSet() {
		return inputAssistant != null;
	}

	public InputAssistant getInputAssistant() {
		return inputAssistant;
	}

	public String getSuffix() {
		return suffix;
	}

	public TextFormField setTrim(boolean trim) {
		this.trim = trim;
		return this;
	}

	public TextFormField setWidth(int value) {
		this.width = value;
		return this;
	}

	public TextFormField setValidator(Validator validator) {
		this.validator = validator;
		return this;
	}

	public TextFormField setValue(String value) {
		this.value = value;
		return this;
	}

	public int getWidth() {
		return width;
	}

	public void update(Map<String, String> data, Collection<FileItem> uploadedFiles) {
		value = preProcessValue(data.get(getName()));
	}

	protected String preProcessValue(String s) {
		if (s == null) return null;
		if (trim) {
			s = s.trim();
		}
		if (emptyIsNull && s.length() == 0) { return null; }
		return s;
	}

	public void validate() throws ValidationException {
		if (value == null) {
			if (isRequired()) { throw new ValidationException("Eingabe erforderlich"); }
		} else {
			if (validator != null) {
				validator.validate(value);
			}
		}
	}

	public String getValueAsString() {
		return value;
	}

	public class InputAssistantButton extends FormButton {

		public InputAssistantButton(String name) {
			super(name);
		}

		public TextFormField getField() {
			return TextFormField.this;
		}

	}

}