1 ///////////////////////////////////////////////////////////////////////////////

     2 // The ImageLabel class implements a control that displays an image

     3 

     4 // Constructor.

     5 function ImageLabel(id, caption, image) {

     6     if (id != UI_NO_INIT_ID) {

     7         this.init(id, caption, image);

     8     }

     9 }

    10 

    11 // Label inherits from Control.

    12 ImageLabel.prototype = new Control(UI_NO_INIT_ID);

    13 

    14 // Content element for label text.

    15 ImageLabel.prototype.contentElement = null;

    16 

    17 // Content element for label text.

    18 ImageLabel.prototype.image = null;

    19 

    20 // Initializer - called from constructor.

    21 ImageLabel.prototype.init = function(id, caption, image) {

    22     uiLogger.debug("ImageLabel.init(" + id + ", " + caption + ", " + image + ")");

    23     

    24     // call superclass initializer

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

    26     

    27 	this.image = image;

    28 	

    29     // create content element

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

    31     this.controlElement.appendChild(this.contentElement);

    32     

    33     // set the image

    34     this.setImage(image);

    35 }

    36 

    37 // Returns the enabled state for the control.

    38 ImageLabel.prototype.isEnabled = function() {

    39     return true;

    40 }

    41 

    42 // Returns the focusable state for the control.

    43 ImageLabel.prototype.isFocusable = function() {

    44     return false;

    45 }

    46 

    47 // Returns the control text.

    48 ImageLabel.prototype.getImage = function() {

    49     return this.contentElement.innerHTML;

    50 }

    51 

    52 // Sets the text for the control.

    53 ImageLabel.prototype.setText = function(text) {

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

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

    56     this.updateStyleFromState();

    57 }

    58 

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

    60 ImageLabel.prototype.updateStyleFromState = function() {

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

    62     

    63     // set element class names

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

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

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

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

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

    69 }