slider_bar.inc

<?php
require_once SQ_ATTRIBUTES_PATH.'/int/int.inc';

class Asset_Attribute_Slider_Bar extends Asset_Attribute_Int
{


    function Asset_Attribute_Slider_Bar($attributeid=0, $value=NULL)
    {
        $this->Asset_Attribute($attributeid, $value);

        // apply default params where necessary
        $this->_params['allow_empty'] = FALSE;
        $this->_params['allow_negative'] = FALSE;
        if (!isset($this->_params['range_lower'])) {
            $this->_params['range_lower'] = 0;
        }
        if (!isset($this->_params['range_upper'])) {
            $this->_params['range_upper'] = 10;
        }

        // default edit params
        if (!isset($this->_edit_params['lower_text'])) {
            $this->_edit_params['lower_text'] = 'Lower';
        }
        if (!isset($this->_edit_params['upper_text'])) {
            $this->_edit_params['upper_text'] = 'upper';
        }


    }//end constructor


    function setEditParams(&$node)
    {// TODO TOF TEST
        if (!Asset_Attribute::setEditParams($node)) {
            return FALSE;
        }
        $this->_edit_params['lower_text']  = translate((string)$node->attributes()->lower_text);
        $this->_edit_params['upper_text']  = translate((string)$node->attributes()->upper_text);
        return TRUE;

    }//end setEditParams()


    function paint($prefix, $read_only=FALSE)
    {
        if ($this->value !== '') {
            $this->value = (int)$this->value;
        }
        $textbox_extras = $read_only ? 'disabled="disabled"' : '';
        require_once SQ_LIB_PATH.'/html_form/html_form.inc';
        ?>
        <div class="slider-container">
            <div class="slider-label-left">
                <?php echo $this->_edit_params['lower_text']; ?>
                <span>= <?php echo $this->_params['range_lower']; ?></span>
            </div>
            <?php int_text_box($prefix, $this->value, TRUE, 4, $this->_params['range_lower'], $this->_params['range_upper'], 0, FALSE, $textbox_extras); ?>
            <div class="slider-label-right">
                <?php echo $this->_edit_params['upper_text']; ?>
                <span>= <?php echo $this->_params['range_upper']; ?></span>
            </div>
            &nbsp;
        </div>
        <script type="text/javascript" src="<?php echo sq_web_path('lib'); ?>/js/slider_bar.js"></script>
        <style type="text/css">
            @import url(<?php echo sq_web_path('lib');?>/web/css/slider_bar.css);
        </style>
        <?php

    }//end paint()


    function process($prefix)
    {
        if (!isset($_REQUEST[$prefix])) return FALSE;
        $value = $_REQUEST[$prefix];
        if ($value !== '') $value = (int)$value;
        if ($this->value != $value && $this->setValue($value)) {
            $this->processed = TRUE;
        } else {
            $this->processed = FALSE;
        }

    }//end process()


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

        $allow_negative = array_get_index($this->_params, 'allow_negative', TRUE);
        $allow_empty = array_get_index($this->_params, 'allow_empty', TRUE);

        if ($allow_empty && ($value === '')) {
            return TRUE;
        }

        if (!$allow_negative && $value < 0) {
            return FALSE;
        }

        $new_value = (int)$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;
        return TRUE;

    }//end validateValue()


}//end class

?>