float.inc

<?php
require_once SQ_INCLUDE_PATH.'/asset_attribute.inc';

class Asset_Attribute_Float extends Asset_Attribute
{


    function Asset_Attribute_Float($attributeid=0, $value=null)
    {
        $this->Asset_Attribute($attributeid, (float) $value, Array('decimal_places' => '2'));
            
        // set default edit parameters
        $this->_edit_params['width'] = 5;

    }//end constructor


    function setEditParams(&$node)
    {
        if (!parent::setEditParams($node)) return false;
        $this->_edit_params['width'] = (int) $node->attributes()->width;

        return true;

    }//end setEditParams()


    function paint($prefix, $read_only=false)
    {
        $v = number_format($this->value, $this->_params['decimal_places'], '.', '');

        if ($read_only) {
            echo $v;
            return;
        }

        $js_validate = '';
        if (isset($this->_params['range_upper'])){
            $js_validate = ' else if (parseFloat(this.value) > parseFloat('.(float)$this->_params['range_upper'].')) { this.value = this.__sq_init_value;}';
        }
        if (isset($this->_params['range_lower'])){
            $js_validate .= ' else if (parseFloat(this.value) < parseFloat('.(float)$this->_params['range_lower'].')) { this.value = this.__sq_init_value;}';
        }

        require_once SQ_LIB_PATH.'/html_form/html_form.inc';
        text_box($prefix, $v, $this->_edit_params['width'], 0, false, 'onFocus="javascript: this.__sq_init_value = this.value;" onChange="javascript: if (isNaN(parseFloat(this.value))) { this.value = this.__sq_init_value; alert(js_translate(\'cannot_accept_non_digit_characters\')); } '.$js_validate.' else {this.value = number_format(this.value, '.$this->_params['decimal_places'].', \'.\', \'\'); } "');

    }//end paint()


    function process($prefix)
    {
        if (!isset($_REQUEST[$prefix])) return false;
        $value = (float) $_REQUEST[$prefix];
        if ($this->value != $value && $this->setValue($value)) {
            $this->processed = true;
        } else {
            $this->processed = false;
        }

    }//end process()


    function validateValue(&$value)
    {
        $value = trim($value);
        $new_value = (float)$value;

        // we are comparing by string here, reason is that passing in a string as $value
        // becomes comparing $value with zero which is TRUE. So instead we would be comparing
        // it with a string '0', which is FALSE and what we want for it to invalidate.
        // Only genuine ints will pass through.
        if ((string)$new_value != $value) return false;
        
    
        if(isset($this->_params['range_upper'])) {
            (float)$range_upper = $this->_params['range_upper'];
            if ($new_value > $range_upper) {
                return FALSE;
            }   
        }
                

        if(isset($this->_params['range_lower'])) {
            (float)$range_lower = $this->_params['range_lower'];
            if ($new_value < $range_lower) {
                return FALSE;
            }   
        }
            
        return TRUE;

    }//end validateValue()


}//end class

?>