com.pureinfo.srm.auth.ShowCheckboxGroupFunctionHandler.java Source code

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Here is the source code for com.pureinfo.srm.auth.ShowCheckboxGroupFunctionHandler.java

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/**
 * PureInfo Dolphin
 * @(#)ShowCheckboxGroupFunctionHandler   1.0 2005-7-19
 * 
 * Copyright(c) 2004-2005, PureInfo Information Technology Corp. Ltd. 
 * All rights reserved, see the license file.
 * 
 * www.pureinfo.com.cn
 */

package com.pureinfo.srm.auth;

import org.apache.commons.lang.ArrayUtils;
import org.apache.log4j.Logger;

import com.pureinfo.dolphin.script.execute.IContext;
import com.pureinfo.dolphin.script.function.handler.FunctionHandlerUtil;
import com.pureinfo.dolphin.script.function.handler.IFunctionHandler;
import com.pureinfo.force.exception.PureException;

/**
 * <P>
 * Created on 2005-9-8 8:45:33 <BR>
 * Last modified on 2005-9-8
 * </P>
 * ShowCheckboxGroupFunctionHandler: handler for showCheckboxGroup() function.
 * <BR>
 * <BR>
 * <B>showCheckboxGroup(String _sName, Object _oValue, String _sMap) </B> <BR>
 * Sample:
 * <OL>
 * <li>showCheckboxGroup("type", "4", "4:$2:$1:")</li>
 * <li>showCheckboxGroup("type", #getProperty("type"), "4:$2:$1:")
 * </li>
 * </OL>
 * 
 * @param _sName
 *            the checkbox name in HTML
 * @param _oValue
 *            current value of the checkbox group
 * @param _sMap
 *            value-name mappings in format like
 *            "value1:name1$value2:name2$...".
 * @return the checkbox group HTML <BR>
 *         <BR>
 * @author elmar.chen
 * @version 1.0, 2005-7-19
 * @since Dolphin 1.0
 */
public class ShowCheckboxGroupFunctionHandler implements IFunctionHandler {
    private final static Logger logger = Logger.getLogger(ShowCheckboxGroupFunctionHandler.class.getName());

    /** minimum number of arguments */
    public final static int MIN_ARGS_NUM = 3;

    /** argument index of name */
    public final static int ARG_NAME = 0;

    /** argument index of value */
    public final static int ARG_VALUE = 1;

    /** argument index of map */
    public final static int ARG_MAP = 2;

    private static final String defaultReturnValue = "<INPUT type='checkbox' value='1'>";

    /**
     * @see com.pureinfo.dolphin.script.function.handler.IFunctionHandler#perform(java.lang.Object[],
     *      com.pureinfo.dolphin.script.execute.IContext)
     */
    public Object perform(Object[] _args, IContext _context) throws PureException {
        //to validate arguments
        FunctionHandlerUtil.validateArgsNum(_args, MIN_ARGS_NUM);

        //to read arguments
        String sName = (String) _args[ARG_NAME];
        Object value = _args[ARG_VALUE];
        String sMap = (String) _args[ARG_MAP];

        //to render checkbox group
        String[] arrayMaps = sMap.split("\\$");
        if (arrayMaps == null || arrayMaps.length < 1) {
            return defaultReturnValue;
        }
        if (value instanceof Integer) {
            return doPerform(sName, ((Integer) value).intValue(), arrayMaps);
        }
        if (value instanceof Boolean) {
            return doPerform(sName, ((Boolean) value).booleanValue(), arrayMaps);
        }

        //else
        return doPerform(sName, value == null ? null : value.toString(), arrayMaps);
    }

    private String doPerform(String _sName, String _sValue, String[] _arrayMaps) {
        String[] values = _sValue == null ? null : _sValue.split("\\$");
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < _arrayMaps.length; i++) {
            String map[] = _arrayMaps[i].split(":");
            if (map == null || map.length < 1) {
                continue;
            }
            String sBoxValue = map[0];
            String sBoxShow = map.length > 1 ? map[1] : " ";
            sb.append("<INPUT type=\"checkbox\" name=\"").append(_sName).append("\" value=\"").append(sBoxValue)
                    .append("\"");
            if (ArrayUtils.contains(values, sBoxValue)) {
                sb.append(" checked");
            }
            sb.append('>').append(sBoxShow);
        }
        String sResult = new String(sb);
        sb.setLength(0);
        return sResult;
    }

    private String doPerform(String _sName, boolean _bValue, String[] _arrayMaps) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < _arrayMaps.length; i++) {
            String map[] = _arrayMaps[i].split(":");
            if (map == null || map.length < 1) {
                continue;
            }
            String sBoxValue = map[0];
            String sBoxShow = map.length > 1 ? map[1] : " ";
            sb.append("<INPUT type=\"checkbox\" value=\"").append(sBoxValue).append('\"');
            if ((sBoxValue.equals("1") || sBoxValue.equals("true")) && _bValue) {
                sb.append(" checked");
            }
            sb.append(" onClick=\"document.getElementById('").append(_sName)
                    .append("').value=this.checked?'1':'0';\"");
            //"onClick=document.getElementById("$_sName").value=this.checked?1:0"
            sb.append('>').append(sBoxShow);
        }
        String sResult = new String(sb);
        sb.setLength(0);
        return sResult;
    }

    private String doPerform(String _sName, int _nValue, String[] _arrayMaps) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < _arrayMaps.length; i++) {
            String map[] = _arrayMaps[i].split(":");
            if (map == null || map.length < 1) {
                continue;
            }
            String sBoxValue = map[0];
            boolean checked = false;
            String sBoxShow = map.length > 1 ? map[1] : " ";
            sb.append("<INPUT type=\"checkbox\" name=\"").append(_sName).append("\" ").append("value=\"")
                    .append(sBoxValue).append('\"');
            if (sBoxValue != null && sBoxValue.matches("[0-9]+")) {
                logger.debug("====" + sBoxValue + ":" + _nValue);
                if ((Integer.parseInt(sBoxValue) & _nValue) != 0) {
                    sb.append(" checked");
                }
            }
            if (checked) {
                sb.append(" checked");
            }
            sb.append('>').append(sBoxShow);
        }
        String sResult = new String(sb);
        sb.setLength(0);
        return sResult;
    }
}