/**

 * 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:

 * Contributors:

 */

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

// The Label class implements a control that displays textual content.

// Constructor.

function Label(id, caption, text) {

    if (id != UI_NO_INIT_ID) {

        this.init(id, caption, text);

    }

}

// Label inherits from Control.

Label.prototype = new Control(UI_NO_INIT_ID);

// Content element for label text.

Label.prototype.contentElement = null;

// Initializer - called from constructor.

Label.prototype.init = function(id, caption, text) {

    uiLogger.debug("Label.init(" + id + ", " + caption + ", " + text + ")");

    // call superclass initializer

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

    // create content element

    this.contentElement = document.createElement("div");

    this.controlElement.appendChild(this.contentElement);

    // set the text

    this.setText(text);

};

// Returns the enabled state for the control.

Label.prototype.isEnabled = function() {

    return true;

};

// Returns the focusable state for the control.

Label.prototype.isFocusable = function() {

    return false;

};

// Returns the control text.

Label.prototype.getText = function() {

    return this.contentElement.innerHTML;

};

// Sets the text for the control.

Label.prototype.setText = function(text) {

    uiLogger.debug("Label.setText(" + text + ")");

    this.contentElement.innerHTML = (text == null) ? "" : text;

    this.updateStyleFromState();

};

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

Label.prototype.updateStyleFromState = function() {

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

    // set element class names

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

    this.setClassName(this.assemblyElement, "ControlAssembly ControlAssemblyNormal");

    this.setClassName(this.captionElement, "ControlCaption ControlCaptionNormal");

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

    this.setClassName(this.contentElement, "LabelText");

};