/*
    * 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 org.apache.myfaces.tobago.internal.taglib.extension;
  
  import org.apache.myfaces.tobago.apt.annotation.DynamicExpression;
  import org.apache.myfaces.tobago.apt.annotation.ExtensionTag;
  import org.apache.myfaces.tobago.apt.annotation.Tag;
  import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
  import org.apache.myfaces.tobago.apt.annotation.UIComponentTagAttribute;
  import org.apache.myfaces.tobago.internal.taglib.FileTag;
  
  import javax.servlet.jsp.JspException;
  
  /**
   * Renders a file input field with a label.
   * <p/>
   * Short syntax of:
   * <p/>
   * <pre>
   * &lt;tc:panel>
   *   &lt;f:facet name="layout">
   *     &lt;tc:gridLayout columns="auto;*"/>
   *   &lt;/f:facet>
   *   &lt;tc:label value="#{label}" for="@auto"/>
   *   &lt;tc:file value="#{value}">
   *     ...
   *   &lt;/tc:in>
   * &lt;/tc:panel>
   * </pre>
   */
  
  @Tag(name = "file")
  @ExtensionTag(baseClassName = "org.apache.myfaces.tobago.internal.taglib.FileTag")
  public class FileExtensionTag extends TobagoExtensionBodyTagSupport {
  
    private javax.el.ValueExpression binding;
    private javax.el.ValueExpression label;
    private javax.el.ValueExpression value;
    private javax.el.MethodExpression valueChangeListener;
    private javax.el.MethodExpression validator;
    private javax.el.ValueExpression disabled;
    private javax.el.ValueExpression rendered;
    private javax.el.ValueExpression tip;
    private javax.el.ValueExpression onchange;
    private javax.el.ValueExpression labelWidth;
    private javax.el.ValueExpression required;
    private javax.el.ValueExpression tabIndex;
    private javax.el.ValueExpression focus;
    private javax.el.ValueExpression validatorMessage;
    private javax.el.ValueExpression converterMessage;
    private javax.el.ValueExpression requiredMessage;
    private String fieldId;
  
    private LabelExtensionTag labelTag;
    private FileTag fileTag;
  
    @Override
    public int doStartTag() throws JspException {
  
      labelTag = new LabelExtensionTag();
      labelTag.setPageContext(pageContext);
      if (id != null) {
        labelTag.setId(id);
      }
      if (label != null) {
        labelTag.setValue(label);
      }
      if (tip != null) {
        labelTag.setTip(tip);
      }
      if (rendered != null) {
        labelTag.setRendered(rendered);
      }
      if (labelWidth != null) {
        labelTag.setLabelWidth(createStringValueExpression(labelWidth.getExpressionString() + ";*"));
      }
      labelTag.setParent(getParent());
      labelTag.setJspId(nextJspId());
      labelTag.doStartTag();
  
      fileTag = new FileTag();
      fileTag.setPageContext(pageContext);
     if (value != null) {
       fileTag.setValue(value);
     }
     if (valueChangeListener != null) {
       fileTag.setValueChangeListener(valueChangeListener);
     }
     if (binding != null) {
       fileTag.setBinding(binding);
     }
     if (validator != null) {
       fileTag.setValidator(validator);
     }
     if (disabled != null) {
       fileTag.setDisabled(disabled);
     }
     if (fieldId != null) {
       fileTag.setId(fieldId);
     }
     if (label != null) {
       fileTag.setLabel(label);
     }
     if (onchange != null) {
       fileTag.setOnchange(onchange);
     }
     if (required != null) {
       fileTag.setRequired(required);
     }
     if (tabIndex != null) {
       fileTag.setTabIndex(tabIndex);
     }
     if (focus != null) {
       //fileTag.set
     }
     if (validatorMessage != null) {
       fileTag.setValidatorMessage(validatorMessage);
     }
     if (converterMessage != null) {
       fileTag.setConverterMessage(converterMessage);
     }
     if (requiredMessage != null) {
       fileTag.setRequiredMessage(requiredMessage);
     }
     fileTag.setParent(labelTag);
     fileTag.setJspId(nextJspId());
     fileTag.doStartTag();
 
     return super.doStartTag();
   }
 
   @Override
   public int doEndTag() throws JspException {
     fileTag.doEndTag();
     labelTag.doEndTag();
     return super.doEndTag();
   }
 
   @Override
   public void release() {
     super.release();
     binding = null;
     validator = null;
     disabled = null;
     label = null;
     labelWidth = null;
     tip = null;
     onchange = null;
     value = null;
     rendered = null;
     valueChangeListener = null;
     required = null;
     tabIndex = null;
     fileTag = null;
     labelTag = null;
     focus = null;
     validatorMessage = null;
     converterMessage = null;
     requiredMessage = null;
     fieldId = null;
   }
 
   /**
    * Text value to display as label.
    * If text contains an underscore the next character is used as accesskey.
    */
   @TagAttribute
   @UIComponentTagAttribute()
   public void setLabel(javax.el.ValueExpression label) {
     this.label = label;
   }
 
   /**
    * The current value of this component.
    */
   @TagAttribute
   @UIComponentTagAttribute(type = "java.lang.Object")
   public void setValue(javax.el.ValueExpression value) {
     this.value = value;
   }
 
   /**
    * MethodBinding representing a value change listener method
    * that will be notified when a new value has been set for this input component.
    * The expression must evaluate to a public method that takes a ValueChangeEvent
    * parameter, with a return type of void.
    *
    * @param valueChangeListener
    */
   @TagAttribute
   @UIComponentTagAttribute(
           type = {},
           expression = DynamicExpression.METHOD_EXPRESSION_REQUIRED,
           methodSignature = "javax.faces.event.ValueChangeEvent")
   public void setValueChangeListener(javax.el.MethodExpression valueChangeListener) {
     this.valueChangeListener = valueChangeListener;
   }
 
   /**
    * Clientside script function to add to this component's onchange handler.
    */
   @TagAttribute
   @UIComponentTagAttribute()
   public void setOnchange(javax.el.ValueExpression onchange) {
     this.onchange = onchange;
   }
 
   /**
    * The value binding expression linking this
    * component to a property in a backing bean.
    */
   @TagAttribute
   @UIComponentTagAttribute(type = "javax.faces.component.UIComponent")
   public void setBinding(javax.el.ValueExpression binding) {
     this.binding = binding;
   }
 
   /**
    * Flag indicating whether or not this component should be rendered
    * (during Render Response Phase), or processed on any subsequent form submit.
    */
   @TagAttribute
   @UIComponentTagAttribute(type = "boolean", defaultValue = "true")
   public void setRendered(javax.el.ValueExpression rendered) {
     this.rendered = rendered;
   }
 
   /**
    * A method binding EL expression,
    * accepting FacesContext, UIComponent,
    * and Object parameters, and returning void, that validates
    * the component's local value.
    */
   @TagAttribute
   @UIComponentTagAttribute(type = {},
       expression = DynamicExpression.METHOD_EXPRESSION,
       methodSignature = { "javax.faces.context.FacesContext", "javax.faces.component.UIComponent", "java.lang.Object" })
   public void setValidator(javax.el.MethodExpression validator) {
     this.validator = validator;
   }
 
   /**
    * Flag indicating that this element is disabled.
    */
   @TagAttribute()
   @UIComponentTagAttribute(type = "boolean", defaultValue = "false")
   public void setDisabled(javax.el.ValueExpression disabled) {
     this.disabled = disabled;
   }
 
   /**
    * Text value to display as tooltip.
    */
   @TagAttribute
   @UIComponentTagAttribute()
   public void setTip(javax.el.ValueExpression tip) {
     this.tip = tip;
   }
    /**
    * The width for the label component. Default: 'auto'.
    * This value is used in the gridLayouts columns attribute.
    * See gridLayout tag for valid values.
    */
   @TagAttribute
   @UIComponentTagAttribute()
   public void setLabelWidth(javax.el.ValueExpression labelWidth) {
     this.labelWidth = labelWidth;
   }
 
   /**
    * Flag indicating that a value is required.
    * If the value is an empty string a
    * ValidationError occurs and a Error Message is rendered.
    */
   @TagAttribute
   @UIComponentTagAttribute(type = "boolean", defaultValue = "false")
   public void setRequired(javax.el.ValueExpression required) {
     this.required = required;
   }
 
   @TagAttribute
   @UIComponentTagAttribute(type = "java.lang.Integer")
   public void setTabIndex(javax.el.ValueExpression tabIndex) {
     this.tabIndex = tabIndex;
   }
 
   /**
    * Flag indicating this component should receive the focus.
    */
   @TagAttribute
   @UIComponentTagAttribute(type = "boolean", defaultValue = "false")
   public void setFocus(javax.el.ValueExpression focus) {
     this.focus = focus;
   }
 
   /**
    * An expression that specifies the validator message
    */
   @TagAttribute
   @UIComponentTagAttribute()
   public void setValidatorMessage(javax.el.ValueExpression validatorMessage) {
     this.validatorMessage = validatorMessage;
   }
 
   /**
    * An expression that specifies the converter message
    */
   @TagAttribute
   @UIComponentTagAttribute()
   public void setConverterMessage(javax.el.ValueExpression converterMessage) {
     this.converterMessage = converterMessage;
   }
 
   /**
    * An expression that specifies the required message
    */
   @TagAttribute
   @UIComponentTagAttribute()
   public void setRequiredMessage(javax.el.ValueExpression requiredMessage) {
     this.requiredMessage = requiredMessage;
   }
 
   /**
    * The component identifier for the input field component inside of the container.
    * This value must be unique within the closest parent component that is a naming container.
    */
   @TagAttribute(rtexprvalue = true)
   @UIComponentTagAttribute
   public void setFieldId(String fieldId) {
     this.fieldId = fieldId;
   }
 
   /**
    * The component identifier for this component.
    * This value must be unique within the closest parent component that is a naming container.
    * For tx components the id will be set to the container (e. g. the panel).
    * To set the id of the input field, you have to use the attribute "fieldId".
    */
   @TagAttribute(rtexprvalue = true)
   @UIComponentTagAttribute
   public void setId(String id) {
     super.setId(id);
   }
 }