/**
* Обработка поля ввода
*/

function inputController()
{

}

inputController.object = null;
inputController.button = null;
inputController.classActive = '';
inputController.classInactive = '';
inputController.defaultValue = '';
inputController.isSubmitable = ''; 

inputController.prototype.init = function(inputId, buttonId, defaultVal)
{
    // настройки
    this.classInactive = 'inputFieldInactive';
    this.classActive = 'inputFieldActive';
    this.defaultValue = defaultVal;
    this.isSubmitable = false;

    this.object = document.getElementById(inputId);
    this.button = document.getElementById(buttonId);
    
    this.object.className = this.classInactive;
    this.object.value = this.defaultValue;
    
    
    
}

inputController.prototype.clear = function()
{
    if ( this.object.value == this.defaultValue) {
        this.object.value = '';
    }
    this.object.className = this.classActive;
}

inputController.prototype.lostFocus = function()
{
    if (this.object.value == '' ||  this.object.value == this.defaultValue) {
        this.object.value = this.defaultValue;
        this.object.className = this.classInactive;
    }
}

inputController.prototype.keyPressed = function()
{
    if (this.object.value != '') {
        this.isSubmitable = true;
    } else {
        this.isSubmitable = false;
    }
}

inputController.prototype.submit = function()
{
    if (this.isSubmitable) {
        return true;
    } 
    else return false;
}