pagelistprep.bsh

国外的一套开源CRM

/*
 * $Id: pagelistprep.bsh,v 1.4 2004/01/30 16:42:53 byersa Exp $
 *
 * Copyright (c) 2003 The Open For Business Project - www.ofbiz.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
/**
 *
 * @author     <a href="mailto:[e-mail]">Al Byers</a>
 * @version    $Revision: 1.4 $
 * @since      3.0

 * This script breaks out the generic list pagination code so that it can be
 * used with different query scripts.
 * It expects, first, an EntityListIterator in the request attr, "listIt",
 * or a list by the name, "currentList".
 */

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

import org.ofbiz.base.util.*;
import org.ofbiz.entity.*;
import org.ofbiz.entity.condition.*;
import org.ofbiz.entity.util.*;
import org.ofbiz.security.*;
import org.ofbiz.service.*;
import org.ofbiz.entity.model.*;
import org.ofbiz.content.widget.html.*;
import org.ofbiz.content.widget.form.*;


import java.util.ListIterator;
import javax.servlet.*;
import javax.servlet.http.*;

delegator = (GenericDelegator) request.getAttribute("delegator");
    
formDefFile    	= page.getProperty("formDefFile");
listFormName    	= page.getProperty("listFormName");
entityName    	= page.getProperty("entityName");

inputFields    	= UtilHttp.getParameterMap(request);
// Can override the listName of "entityList" in the pagedef config file.
listName    		= "entityList";
//listName    		= page.getProperty("listName");
//if (listName == null) listName   = "entityList";

listIt = (EntityListIterator)request.getAttribute("listIt");

// This was pretty much hacked from somewhere else in OFBiz
int viewIndex    = -1;
try {
       	viewIndex = Integer.valueOf((String) request.getParameter("VIEW_INDEX")).intValue();
} catch (Exception e) {
        	 viewIndex	= 0;
}

int viewSize    = -1;
int listSize    = -1;
try {
    viewSize = Integer.valueOf((String) request.getParameter("VIEW_SIZE")).intValue();
} catch (Exception e) {
    try {
    	// If view size is not in page, get it from pagedef .xml file
    	String viewSizePage	= page.getProperty("viewSize");
       	viewSize = Integer.valueOf(viewSizePage).intValue();
    } catch (Exception e2){
    	viewSize	= 10; // Not good to have a magic number here
    }
}


int lowIndex = viewIndex * viewSize;
int highIndex = (viewIndex + 1) * viewSize;

List entityList    = new ArrayList();
    // attempt to get the full size
Debug.logInfo("listIt:" + listIt, "");
if (listIt != null && listIt != void ) {
	try {

         listIt.last();
         listSize = listIt.currentIndex(); 
Debug.logInfo("listSize:" + listSize, "");


         if (listSize < highIndex) {
             highIndex = listSize;
         }
         if (listSize > 0) {
             listIt.first();
             entityList = listIt.getPartialList(lowIndex + 1, viewSize );
             listIt.close();

         }
	} catch (GenericEntityException e) { 
                       	request.setAttribute("_ERROR_MESSAGE_", e.getMessage());
		return "error";
	}
    if (entityList != null) {
 	    context.put(listName, entityList);
	    // request.setAttribute(listName, entityList);
    }

} else {
    entityList = (List)request.getAttribute("currentList");
    context.put(listName, entityList);
}
request.setAttribute("listName", listName);

context.put("listSize", new Integer(listSize));
context.put("highIndex", new Integer(highIndex));
context.put("lowIndex", new Integer(lowIndex));
context.put("viewSize", new Integer(viewSize));
context.put("viewIndex", new Integer(viewIndex));

HtmlFormWrapper listWrapper = new HtmlFormWrapper(formDefFile, 
    			listFormName, request, response);
listWrapper.putInContext(listName, entityList);
listWrapper.putInContext("listSize", listSize);
listWrapper.putInContext("highIndex", highIndex);
listWrapper.putInContext("lowIndex", lowIndex);
listWrapper.putInContext("viewSize", viewSize);
listWrapper.putInContext("viewIndex", viewIndex);

// Strip old VIEW_INDEX from query string if present 
//since we are adding them again.
String queryString = context.get("queryString");
if (UtilValidate.isNotEmpty(queryString)) {
    StringTokenizer queryTokens = new StringTokenizer(queryString, "&");
    StringBuffer cleanQuery = new StringBuffer();
    while (queryTokens.hasMoreTokens()) {
        String token =  queryTokens.nextToken();
        if ((token.indexOf("VIEW_INDEX") == -1) && (token.indexOf("VIEW_SIZE")==-1)) {
    	cleanQuery.append(token);
    	if(queryTokens.hasMoreTokens()){
    	    cleanQuery.append("&");
    	}
        }
    }
    listWrapper.putInContext("queryString", cleanQuery.toString());
}


listWrapper.putInContext("entityName", context.get("entityName"));
ModelForm modelForm    = listWrapper.getModelForm();
modelForm.setListName(listName);
context.put("listWrapper", listWrapper);