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<!DOCTYPE html>
<html>
<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\TagManager\Template\Trigger;

use Piwik\Piwik;
use Piwik\Settings\FieldConfig;
use Piwik\Validators\NotEmpty;
use Piwik\Validators\NumberRange;

class ScrollReachTrigger extends BaseTrigger
{
    public function getCategory()
    {
        return self::CATEGORY_USER_ENGAGEMENT;
    }

    public function getParameters()
    {
        $scrollType = $this->makeSetting('scrollType', 'verticalpercentage', FieldConfig::TYPE_STRING, function (FieldConfig $field) {
                $field->title = Piwik::translate('TagManager_ScrollReachTriggerScrollTypeTitle');
                $field->uiControl = FieldConfig::UI_CONTROL_SINGLE_SELECT;
                $field->validators[] = new NotEmpty();
                $field->availableValues = array(
                    'verticalpercentage' => 'Vertical - Percentage',
                    'verticalpixel' => 'Vertical - Pixels',
                    'horizontalpercentage' => 'Horizontal - Percentage',
                    'horizontalpixel' => 'Horizontal - Pixels',
                );
            });
        return array(
            $scrollType,
            $this->makeSetting('pixels', 1, FieldConfig::TYPE_INT, function (FieldConfig $field) use ($scrollType) {
                $field->title = Piwik::translate('TagManager_ScrollReachTriggerPixelsTitle');
                $field->description = Piwik::translate('TagManager_ScrollReachTriggerPixelsDescription');
                $field->uiControlAttributes = array(
                    'placeholder' => 'eg. 50, 1020, 3059'
                );
                $field->condition = 'scrollType == "verticalpixel" || scrollType == "horizontalpixel"';
                if ($scrollType->getValue() === 'verticalpixel' || $scrollType->getValue() === 'horizontalpixel') {
                    $field->validators[] = new NumberRange($min = 1, $max = 900000);
                }
            }),
            $this->makeSetting('percentage', 50, FieldConfig::TYPE_INT, function (FieldConfig $field) use ($scrollType) {
                $field->title = Piwik::translate('TagManager_ScrollReachTriggerPercentageTitle');
                $field->description = Piwik::translate('TagManager_ScrollReachTriggerPercentageDescription');
                $field->uiControlAttributes = array(
                    'placeholder' => 'eg. 20, 50, 75, 90'
                );
                $field->condition = 'scrollType == "verticalpercentage" || scrollType == "horizontalpercentage"';

                if ($scrollType->getValue() === 'verticalpercentage' || $scrollType->getValue() === 'horizontalpercentage') {
                    $field->validators[] = new NumberRange($min = 1, $max = 100);
                }
            }),
        );
    }

}
