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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.jgeppert.struts2.jquery.components;

import com.opensymphony.xwork2.util.ValueStack;
import org.apache.struts2.views.annotations.StrutsTag;
import org.apache.struts2.views.annotations.StrutsTagAttribute;
import org.apache.struts2.views.annotations.StrutsTagSkipInheritance;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 
 * 
 * Render HTML textarea providing content from remote call via AJAX
 * 
 * 
 *
 * @author Johannes Geppert
 */
@StrutsTag(name = "textarea", tldTagClass = "com.jgeppert.struts2.jquery.views.jsp.ui.TextareaTag", description = "Render HTML textarea providing content from remote call via AJAX", allowDynamicAttributes = true)
public class Textarea extends AbstractFormElement {

    public static final String TEMPLATE = "textarea";
    public static final String TEMPLATE_CLOSE = "textarea-close";
    public static final String COMPONENT_NAME = Textarea.class.getName();
    public static final String JQUERYACTION = "container";

    private static final String PARAM_READONLY = "readonly";
    private static final String PARAM_COLS = "cols";
    private static final String PARAM_ROWS = "rows";
    private static final String PARAM_WRAP = "wrap";

    private static final String ID_PREFIX_TEXTAREA = "textarea_";

    protected String cols;
    protected String readonly;
    protected String rows;
    protected String wrap;

    public Textarea(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
        super(stack, request, response);
    }

    public String getDefaultOpenTemplate() {
        return TEMPLATE;
    }

    protected String getDefaultTemplate() {
        return TEMPLATE_CLOSE;
    }

    public void evaluateExtraParams() {
        super.evaluateExtraParams();

        addParameter(PARAM_JQUERY_ACTION, JQUERYACTION);

        addParameterIfPresent(PARAM_READONLY, this.readonly, Boolean.class);
        addParameterIfPresent(PARAM_COLS, this.cols);
        addParameterIfPresent(PARAM_ROWS, this.rows);
        addParameterIfPresent(PARAM_WRAP, this.wrap);

        addGeneratedIdParam(ID_PREFIX_TEXTAREA);
    }

    @Override
    @StrutsTagSkipInheritance
    public void setTheme(String theme) {
        super.setTheme(theme);
    }

    @Override
    public String getTheme() {
        return "jquery";
    }

    @StrutsTagAttribute(description = "HTML cols attribute", type = "Integer")
    public void setCols(String cols) {
        this.cols = cols;
    }

    @StrutsTagAttribute(description = "Whether the textarea is readonly", type = "Boolean", defaultValue = "false")
    public void setReadonly(String readonly) {
        this.readonly = readonly;
    }

    @StrutsTagAttribute(description = "HTML rows attribute", type = "Integer")
    public void setRows(String rows) {
        this.rows = rows;
    }

    @StrutsTagAttribute(description = "HTML wrap attribute")
    public void setWrap(String wrap) {
        this.wrap = wrap;
    }
}