Metacat

/*

 * ClientHtmlHelper.java

 *

 * Created on June 25, 2007, 9:58 AM

 *

 * To change this template, choose Tools | Template Manager

 * and open the template in the editor.

 */

package edu.ucsb.nceas.metacat.clientview;

import java.util.Iterator;

import java.util.Map;

import java.util.Vector;

/**

 *

 * @author barteau

 */

public abstract class ClientHtmlHelper {

    private static final String                SELECT_TEMPLATE = "<select name='%1s' style='%2s' size='%3s'>\n%4s</select>\n";

    private static final String                OPTION_TEMPLATE = "<option value='%1s'>%2s</option>\n";

    private static final String                OPTGRP_TEMPLATE = "<optgroup label='%1s'>%2s</optgroup>";

    private static final String                INPUT_TEMPLATE = "<input name='%1s' value='%2s' type='%4s' class='%3s' size='%5s'/>\n";

    /**

     * JSP API: A static helper method which takes a map (key, value pairs) and returns

     * an XHTML SELECT String.

     * @param map The map contianing the key, value pairs to convert into an HTML SELECT

     * statement.

     * @param name The name to assign the HTML SELECT, which will become the parameter name.

     * @param style Any HTML styling text.

     * @param size HTML field width.

     * @return String, XHTML for a SELECT statement.

     */

    public static String mapToHtmlSelect(Map map, String name, String style, int size) {

        String                      result = "", item, key, optGrp, tmp;

        Iterator                    iterIt;

        Object                      obj;

        Vector                      vector;

        Iterator                    completeIterIt;

        iterIt = map.keySet().iterator();

        while(iterIt.hasNext()) {

            key = (String) iterIt.next();

            obj = map.get(key);

            if (obj instanceof String) {

                item = (String) obj;

                tmp = OPTION_TEMPLATE.replaceFirst("%1s", key);

                item = tmp.replaceFirst("%2s", item);

                result += item;

            } else if (obj instanceof Vector) {

                vector = (Vector) obj;

                optGrp = "";

                completeIterIt = vector.iterator();

                while (completeIterIt.hasNext()) {

                    item = (String) completeIterIt.next();

                    tmp = OPTION_TEMPLATE.replaceFirst("%1s", item);

                    item = tmp.replaceFirst("%2s", item);

                    optGrp += item;

                }

                tmp = OPTGRP_TEMPLATE.replaceFirst("%1s", key);

                item = tmp.replaceFirst("%2s", optGrp);

                result += item;

            }

        }

        tmp = SELECT_TEMPLATE.replaceFirst("%1s", name);

        tmp = tmp.replaceFirst("%2s", style);

        tmp = tmp.replaceFirst("%3s", String.valueOf(size));

        result = tmp.replaceFirst("%4s", result);

        return(result);

    }

}