paginationinfotag.java

来自「开源项目CRM之OpenCustomer」· Java 代码 · 共 118 行

/*******************************************************************************
 * ***** BEGIN LICENSE BLOCK Version: MPL 1.1
 * 
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 * 
 * The Original Code is the OpenCustomer CRM.
 * 
 * The Initial Developer of the Original Code is Thomas Bader (Bader & Jene
 * Software-Ingenieurb黵o). Portions created by the Initial Developer are
 * Copyright (C) 2005 the Initial Developer. All Rights Reserved.
 * 
 * Contributor(s): Thomas Bader <[e-mail]>
 * 
 * ***** END LICENSE BLOCK *****
 */

package org.opencustomer.web.taglib;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.struts.taglib.TagUtils;
import org.opencustomer.web.util.MessageUtil;
import org.opencustomer.web.util.ScrollBean;

public class PaginationInfoTag extends TagSupport
{
    private static final long serialVersionUID = 3256442512469342256L;

    private String name;

    private String scope;

    private String textKey;

    public int doEndTag() throws JspException
    {
        StringBuffer results = new StringBuffer();

        HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();

        ScrollBean bean = (ScrollBean) TagUtils.getInstance().lookup(pageContext, name, scope);

        int to = 0;
        int from = 0;
        int off = 0;

        if (bean != null)
        {
            to = bean.getPage().getLastEntry();
            from = bean.getPage().getFirstEntry();
            off = bean.getCount();
        }

        if (to > off)
            to = off;
        if (from > off)
            from = off;

        if (textKey != null)
        {
            results.append(MessageUtil.message(request, textKey, new Object[] { new Integer(from), new Integer(to), new Integer(off) }));
        }
        else
        {
            results.append(from);
            results.append("\u00A0-\u00A0");
            results.append(to);
            results.append("\u00A0/\u00A0");
            results.append(off);
        }

        TagUtils.getInstance().write(pageContext, results.toString());

        release();

        return EVAL_PAGE;
    }

    public final String getName()
    {
        return name;
    }

    public final void setName(String name)
    {
        this.name = name;
    }

    public final String getScope()
    {
        return scope;
    }

    public final void setScope(String scope)
    {
        this.scope = scope;
    }

    public final String getTextKey()
    {
        return textKey;
    }

    public final void setTextKey(String textKey)
    {
        this.textKey = textKey;
    }

}