FormViewModel.java

package demo.input.form_sample;

import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.ContextParam;
import org.zkoss.bind.annotation.ContextType;
import org.zkoss.bind.annotation.NotifyChange;
import org.zkoss.zk.ui.event.InputEvent;

public class FormViewModel extends UserForm {
	private String dateFormat;
	private int memoHeight = 6;
	private String foregroundColour = "#000000", backgroundColour = "#FDC966";

	public String getForegroundColour() {
		return foregroundColour;
	}

	public void setForegroundColour(String foregroundColor) {
		this.foregroundColour = foregroundColor;
	}

	public String getBackgroundColour() {
		return backgroundColour;
	}

	public void setBackgroundColour(String backgroundColor) {
		this.backgroundColour = backgroundColor;
	}

	public String getDateFormat() {
		return dateFormat;
	}

	public void setDateFormat(String dateFormat) {
		this.dateFormat = dateFormat;
	}

	public int getMemoHeight() {
		return memoHeight;
	}

	public void setMemoHeight(int memoHeight) {
		this.memoHeight = memoHeight;
	}

	@Command
	@NotifyChange("memoHeight")
	public void changeMemoHeight(
			@ContextParam(ContextType.TRIGGER_EVENT) InputEvent change) {
		try {
			int parsed = Integer.parseInt(change.getValue());
			if (parsed > 0) {
				this.memoHeight = parsed;
			}
		} catch (NumberFormatException nfe) {
			// nothing that we can do here, the validation should pick it up
		}
	}

	@Command
	@NotifyChange("captcha")
	public void regenerate() {
		this.regenerateCaptcha();
	}

	@Command
	public void submit() {
	}

}