/**

 * Copyright (c) 2009-2010 Symbian Foundation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 * 

 * Contributors:

 * 

 * Description:

 * 

 */

///////////////////////////////////////////////////////////////////////////////

// The TextArea class implements a multi line text entry control.

// Constructor.

function TextArea(id, caption, value, rows) {

    if (id != UI_NO_INIT_ID) {

        this.init(id, caption, value, rows);

    }

}

// TextArea inherits from TextEntryControl.

TextArea.prototype = new TextEntryControl(UI_NO_INIT_ID);

// Initializer - called from constructor.

TextArea.prototype.init = function(id, caption, value, rows) {

    uiLogger.debug("TextArea.init(" + id + ", " + caption + ", " + value + ", " + rows + ")");

    // call superclass initializer

    TextEntryControl.prototype.init.call(this, id, caption);

    // create the peer element

    this.peerElement = document.createElement("textarea");

    // default rowcount is 3 if not defined

    // width always comes from style but is a required attribute

    this.peerElement.rows = (rows != null) ? rows : 3;

    this.peerElement.cols = 20;

    this.controlElement.appendChild(this.peerElement);

    // set the value

    this.peerElement.value = (value == null) ? "" : value;

    // bind event listeners

    this.bindTextEntryControlListeners();

    // update the style

    this.updateStyleFromState();

};

// Updates the style of the control to reflects the state of the control.

TextArea.prototype.updateStyleFromState = function() {

    uiLogger.debug("TextArea.updateStyleFromState()");

    // determine the state name

    var stateName = this.getStyleStateName();

    // set element class names

    this.setClassName(this.rootElement, "Control");

    this.setClassName(this.controlElement, "ControlElement");

    this.setClassName(this.assemblyElement, "ControlAssembly ControlAssembly" + stateName);

    this.setClassName(this.captionElement, "ControlCaption ControlCaption" + stateName);

    // set peer element class names

    var peerStateName = this.isEnabled() ? stateName : "Disabled";

    this.setClassName(this.peerElement, "TextArea TextArea" + stateName);

};