// Copyright May 4, 2006 The Apache Software Foundation

 //

 // 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 net.sf.tacos.components.dojo.form;

 import java.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 import org.apache.tapestry.IMarkupWriter;

 import org.apache.tapestry.IRequestCycle;

 import org.apache.tapestry.IScript;

 import org.apache.tapestry.PageRenderSupport;

 import org.apache.tapestry.TapestryUtils;

 import org.apache.tapestry.dojo.form.AbstractFormWidget;

 import org.apache.tapestry.engine.IEngineService;

 import org.apache.tapestry.form.TranslatedField;

 import org.apache.tapestry.form.TranslatedFieldSupport;

 import org.apache.tapestry.form.ValidatableFieldSupport;

 import org.apache.tapestry.json.JSONObject;

 import org.apache.tapestry.services.DataSqueezer;

 import org.apache.tapestry.valid.ValidatorException;

 /**

  * An html field similar to a <code>textarea</code> field that 

  * is wrapped by a dojo Editor2 widget.<p/>

  * This component adds javascript that makes the dojo widget

  * update the value of the textarea (to support async submits) it is bound to. 

  * 

  * @author andyhot

  */

 public abstract class HtmlArea extends AbstractFormWidget implements TranslatedField

 {    

     /**

      * 

      * {@inheritDoc}

      */

     protected void renderFormWidget(IMarkupWriter writer, IRequestCycle cycle)

     {

         String value = getTranslatedFieldSupport().format(this, getValue());

         renderDelegatePrefix(writer, cycle);

         writer.begin("textarea");

         writer.attribute("name", getName());

         if (isDisabled())

             writer.attribute("disabled", "disabled");

         renderIdAttribute(writer, cycle);

         renderDelegateAttributes(writer, cycle);

         getTranslatedFieldSupport().renderContributions(this, writer, cycle);

         getValidatableFieldSupport().renderContributions(this, writer, cycle);

         renderInformalParameters(writer, cycle);

         if (value != null) writer.print(value);

         writer.end();

         renderDelegateSuffix(writer, cycle);

         Map parms = new HashMap();

         parms.put("id", getClientId());

         JSONObject json = new JSONObject();        

         json.put((Object)"widgetId", getName());

         json.put((Object)"name", getName());

         json.put((Object)"disabled", isDisabled());

         if (getToolbarTemplatePath()!=null)

             json.put((Object)"toolbarTemplatePath", getToolbarTemplatePath());

         parms.put("props", json.toString());

         parms.put("widget", this);

         PageRenderSupport prs = TapestryUtils.getPageRenderSupport(cycle, this);

         getScript().execute(this, cycle, prs, parms);

     }

     /**

      * @see org.apache.tapestry.form.AbstractFormComponent#rewindFormComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle)

      */

     protected void rewindFormWidget(IMarkupWriter writer, IRequestCycle cycle)

     {

         String value = cycle.getParameter(getName());

         try

         {

             String text = (String) getTranslatedFieldSupport().parse(this, value);

             getValidatableFieldSupport().validate(this, writer, cycle, text);

             setValue(text);

         }

         catch (ValidatorException e)

         {

             getForm().getDelegate().record(e);

         }

     }    

     public abstract String getToolbarTemplatePath();

     /** @since 2.2 * */

     public abstract Object getValue();

     /** @since 2.2 * */

     public abstract void setValue(Object value);

     /** Injected. */

     public abstract DataSqueezer getDataSqueezer();

     /**

      * Injected.

      */

     public abstract ValidatableFieldSupport getValidatableFieldSupport();

     /**

      * Injected.

      */

     public abstract TranslatedFieldSupport getTranslatedFieldSupport();    

     /**

      * Injected.

      */

     public abstract IEngineService getDirectService();

     /**

      * Injected.

      */

     public abstract IScript getScript();

     /**

      * @see org.apache.tapestry.form.AbstractFormComponent#isRequired()

      */

     public boolean isRequired()

     {

         return getValidatableFieldSupport().isRequired(this);

     }

     /** 

      * {@inheritDoc}

      */

     public List getUpdateComponents()

     {

         List comps = new ArrayList();

         comps.add(getClientId());

         return comps;

     }

     /** 

      * {@inheritDoc}

      */

     public boolean isAsync()

     {

         return false;

     }

     /** 

      * {@inheritDoc}

      */

     public boolean isJson()

     {

         return false;

     }

 }