home.java

Enjoy Web Dev With Tapestry 一书的源代码

package com.ttdev.stockquote;

import java.util.*;

import org.apache.tapestry.*;
import org.apache.tapestry.annotations.*;
import org.apache.tapestry.form.*;
import org.apache.tapestry.html.*;

public abstract class Home extends BasePage {
	@InjectPage("Result")
	abstract public Result getResultPage();  

	@InitialValue("literal:MSFT")
	abstract public String getStockId();
	abstract public Date getQuoteDate();

	public IPage onOk(IRequestCycle cycle) {
		int stockValue = (getStockId() + getQuoteDate().toString()).hashCode() % 100;
		Result resultPage = getResultPage();
		resultPage.setStockValue(stockValue);
		return resultPage;
	}
	public IPropertySelectionModel getAvailStockIds() {
		return new StringPropertySelectionModel(new String[] { "IBM", "MSFT",
				"RHAT" });
	}

}