formhandler.java

exTreme taglib的使用

/*
 * Copyright 2004 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 org.extremecomponents.table.handler;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.extremecomponents.table.bean.Form;
import org.extremecomponents.table.bean.Input;

/**
 * @author jeff johnston
 */
public class FormHandler {
    private Form form;
    private List inputs = new ArrayList();

    public void addForm(Form form) {
        this.form = form;
    }

    public Form getForm() {
        return form;
    }

    public void addInput(Input input) {
        inputs.add(input);
    }

    public String getHiddenFields() {
        StringBuffer sb = new StringBuffer();

        for (Iterator iter = inputs.iterator(); iter.hasNext();) {
            Input input = (Input) iter.next();
            if (input.getType().equals(Input.HIDDEN)) {
                sb.append("\t<input type=\"hidden\" name=\"" + input.getName() + "\" value=\"" + input.getValue()
                        + "\">\n");
            }
        }

        return sb.toString();
    }

    public String getFormButtons() {
        StringBuffer sb = new StringBuffer();

        for (Iterator iter = inputs.iterator(); iter.hasNext();) {
            Input input = (Input) iter.next();
            String type = input.getType();
            if (type.equals(Input.SUBMIT) || type.equals(Input.BUTTON)) {
                sb.append("<input type=\"" + type + "\" class=\"formButton\" name=\"" + input.getName() + "\" value=\""
                        + input.getValue() + "\"");

                if (StringUtils.isNotEmpty(input.getOnclick())) {
                    sb.append(" onclick=\"" + input.getOnclick() + "\" ");
                }

                sb.append(">");
            }
        }

        return sb.toString();
    }

    public void destroy() {
        inputs.clear();
        inputs = null;
    }
}