com.ultrapower.eoms.common.plugin.ecside.table.tool.PageSizeTool.java Source code

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Here is the source code for com.ultrapower.eoms.common.plugin.ecside.table.tool.PageSizeTool.java

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/*
 * Copyright 2006-2007 original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ultrapower.eoms.common.plugin.ecside.table.tool;

import org.apache.commons.lang.StringUtils;

import com.ultrapower.eoms.common.plugin.ecside.core.ECSideConstants;
import com.ultrapower.eoms.common.plugin.ecside.core.TableConstants;
import com.ultrapower.eoms.common.plugin.ecside.core.TableModel;
import com.ultrapower.eoms.common.plugin.ecside.preferences.PreferencesConstants;
import com.ultrapower.eoms.common.plugin.ecside.util.HtmlBuilder;

/**
 * @author Wei Zijun
 *
 */

public class PageSizeTool extends BaseTool {
   
   public PageSizeTool(){
      super();
   }
   
   
   public PageSizeTool(HtmlBuilder html,TableModel model) {
      super(html,model);
   }
   
    @Override
   public void buildTool() {
       
       getHtmlBuilder().td(1).styleClass("pageSizeTool").nowrap().close();
       
        
        getHtmlBuilder().append(getTableModel().getMessages().getMessage(PreferencesConstants.TOOLBAR_PAGE_PERPAGE));
        rowsDisplayedDroplist();
        getHtmlBuilder().append(getTableModel().getMessages().getMessage(PreferencesConstants.TOOLBAR_PAGE_RECORD));
        
        
        getHtmlBuilder().tdEnd();

    }
    
    public void rowsDisplayedDroplist() {


        int allRowsDisplayed = getTableModel().getLimit().getTotalRows();
        int currentRowsDisplayed = getTableModel().getLimit().getCurrentRowsDisplayed();
        int rowsDisplayed = getTableModel().getTable().getRowsDisplayed();
        
        
        String pageSizeList=getTableModel().getTable().getPageSizeList();
        
        String[] sizeList=null;
        
        if (pageSizeList != null) {
           sizeList=StringUtils.split(pageSizeList, ",");
        }
        
        getHtmlBuilder().select().name(getTableModel().getTableHandler().prefixWithTableId() + TableConstants.ROWS_DISPLAYED);
        
        String formId=getTableModel().getTable().getTableId();

        StringBuffer onchange = new StringBuffer();
        
        onchange.append(ECSideConstants.UTIL_FUNCTION_NAME+".changeRowsDisplayed(");
        
        onchange.append("'"+formId+"',this);");

        getHtmlBuilder().onchange(onchange.toString());

        getHtmlBuilder().close();
        
        getHtmlBuilder().newline();
        getHtmlBuilder().tabs(4);

        
        
        int i=0;
        int maxSize=Integer.MAX_VALUE;
        
        boolean hasDefaultSize=false;
        if (sizeList!=null) {
           for (i=0;i<sizeList.length;i++){
              int size=0;
              String text;
              if (sizeList[i].trim().toLowerCase().startsWith("max:")){
   
                 try{
                     if (maxSize==Integer.MAX_VALUE ){
                        maxSize=new Integer(sizeList[i].substring(4)).intValue();
                     }
                 }catch (Exception e) {
                    maxSize=Integer.MAX_VALUE;
               }
                 continue;
              }else if (allRowsDisplayed<maxSize && "all".equalsIgnoreCase(sizeList[i].trim())){
                 size=allRowsDisplayed;
                 text=getTableModel().getMessages().getMessage(PreferencesConstants.TOOLBAR_PAGE_ALL);
              
              }else{
                 try{
                    size=Integer.parseInt(sizeList[i].trim());
                    text=String.valueOf(size);
                 }catch(Exception ei){
                    continue;
                 }   
              }
              if (!hasDefaultSize) {
                 hasDefaultSize=size==currentRowsDisplayed;
              }
              if (size<=maxSize){
                    getHtmlBuilder().option().value(String.valueOf(size));
                  if (currentRowsDisplayed == size) {
                     getHtmlBuilder().selected();
                  }
                  getHtmlBuilder().close();
                  getHtmlBuilder().append(text);
                  getHtmlBuilder().optionEnd();
              }
           }
        }
        
        if (i==0 || !hasDefaultSize){
            // default rows
            if (rowsDisplayed>allRowsDisplayed){
               rowsDisplayed=allRowsDisplayed;
            }
            getHtmlBuilder().option().value(String.valueOf(rowsDisplayed));
            if (currentRowsDisplayed == rowsDisplayed) {
               getHtmlBuilder().selected();
            }
            getHtmlBuilder().close();
            getHtmlBuilder().append(String.valueOf(rowsDisplayed));
            getHtmlBuilder().optionEnd();
        }


        getHtmlBuilder().newline();
        getHtmlBuilder().tabs(4);

        getHtmlBuilder().selectEnd();
    }

}