请教:tapestry4.1中的Autocompleter的用法

bclxz520

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Tapestry Dojo Apache json HTML

用tapestry4.1中的dojo的Autocompleter组件时,

HTML代码:

<html jwcid="@Shell" title="test" debugEnabled="true">
<head>
head>
<body jwcid="@Body">
<span jwcid="@Autocompleter" model="ognl:model" value="ognl:select"/>
body>
html>

页面类如下,

java 代码

package autoCompleter.test;
import java.util.Arrays;
import org.apache.tapestry.dojo.form.DefaultAutocompleteModel;
import org.apache.tapestry.dojo.form.IAutocompleteModel;
import org.apache.tapestry.event.PageBeginRenderListener;
import org.apache.tapestry.event.PageEvent;
import org.apache.tapestry.html.BasePage;
public abstract class AutoCompleter extends BasePage
{
public IAutocompleteModel model = null;
public IAutocompleteModel getModel() {
if (model == null) {
model = new DefaultAutocompleteModel(Arrays.asList("aaaa","bbbb","dddd"), "id", "name");
}
return model;
}
public abstract String getSelect();
public abstract String getId();
public abstract String getName();
}

但显示不了列表内容,郁闷了好几天都解决不了,有谁可以告诉我IAutocompleteModel的用法

分享到：

请教:如何在tapestry4.1中定制自己的dojo ... | Hibernate3的DetachedCriteria(转)

2007-02-12 09:50
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3 楼 wobu20 2007-09-07

请问楼主，为什么我复制你的代码，运行后并没有看到列表显示的内容，而且一输入就会在列表框下面显示以下信息：

DEBUG: please consider using a mimetype of text/json-comment-filtered to avoid potential security issues with JSON endpoints

楼主能不能告诉我是哪里出问题了，可以的话，autocomplete的用法原理也一并解释一下，看了源码，理解了一点点...谢谢！

2 楼 bclxz520 2007-02-12

发觉这个autocomplete的显示速度超慢

1 楼 bclxz520 2007-02-12

终于知道怎么用了,现分享一下;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;

import org.apache.tapestry.dojo.form.DefaultAutocompleteModel;
import org.apache.tapestry.dojo.form.IAutocompleteModel;
import org.apache.tapestry.event.PageBeginRenderListener;
import org.apache.tapestry.event.PageEvent;
import org.apache.tapestry.html.BasePage;

public abstract class AutoCompleter extends BasePage implements PageBeginRenderListener
{
	public Date date = null;
	public IAutocompleteModel model = null;
	public void pageBeginRender(PageEvent arg0) {
		setText("TEXT");
		setDate(new Date());
	}	
	public IAutocompleteModel getModel() {
	    if (model == null) {
	    	List values = new ArrayList();
	        
	        SimpleBean s1 = new SimpleBean(new Integer(1), "Simple 1", 100);
	        SimpleBean s2 = new SimpleBean(new Integer(2), "Simple 2", 200);
	        SimpleBean s3 = new SimpleBean(new Integer(3), "Simple 3", 300);
	        
	        values.add(s1);
	        values.add(s2);
	        values.add(s3);
	        
	        model = new DefaultAutocompleteModel(values, "id", "label");
	    }
	    return model;
	  }
	public abstract void setText(String text);
	public abstract String getText();
	public abstract SimpleBean getSelect();
	public void formSubmit()
	{
		System.out.println(getDate());
		System.out.println(getSelect().getValue());		
	}
	public void setDate(Date d)
	{
		if(date == null)
		{
			this.date = new java.util.Date(); 
		}
		else
		{
			this.date = d;
		}
	}
	public abstract Date getDate();
	
}

package autoCompleter.test;


public class SimpleBean
{

    private Integer _id;
    
    private String _label;
    
    private int _value;
    
    public SimpleBean(Integer id, String label, int value)
    {
        _id = id;
        _label = label;
        _value = value;
    }
    
    /**
     * @return the id
     */
    public Integer getId()
    {
        return _id;
    }
    
    /**
     * @return the label
     */
    public String getLabel()
    {
        return _label;
    }
    
    /**
     * Returns the value stored.
     * 
     * @return The value stored.
     */
    public int getValue()
    {
        return _value;
    }

    /** 
     * {@inheritDoc}
     */
    @Override
    public int hashCode()
    {
        final int PRIME = 31;
        int result = 1;
        result = PRIME * result + ((_id == null) ? 0 : _id.hashCode());
        return result;
    }
    
    /** 
     * {@inheritDoc}
     */
    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) return true;
        if (obj == null) return false;
        if (getClass() != obj.getClass()) return false;
        final SimpleBean other = (SimpleBean) obj;
        if (_id == null) {
            if (other._id != null) return false;
        } else if (!_id.equals(other._id)) return false;
        return true;
    }
}

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