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97 lines
2.2 KiB
PHP
97 lines
2.2 KiB
PHP
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<?php
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/**
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* Base plugin class.
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*/
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require_once 'Savant2/Plugin.php';
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/**
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*
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* Cycles through a series of values.
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*
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* $Id$
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*
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* @author Paul M. Jones <pmjones@ciaweb.net>
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*
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* @package Savant2
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*
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* @license http://www.gnu.org/copyleft/lesser.html LGPL
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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*/
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class Savant2_Plugin_cycle extends Savant2_Plugin {
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/**
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*
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* An associative array of predefined cycle value sets.
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*
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* You can preset cycle values via Savant::loadPlugin().
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*
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* $conf = array(
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* 'values' => array(
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* 'lightdark' => array('light', 'dark'),
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* 'threesome' => array('one', 'two', 'three')
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* )
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* );
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*
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* $Savant->loadPlugin('cycle', $conf);
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*
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* ... and in your template you can call:
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*
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* $this->plugin('cycle', 'lightdark', $iteration);
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*
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* @access public
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*
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* @var array
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*
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*/
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var $values = array();
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/**
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*
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* Cycles through a series of values.
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*
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* @access public
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*
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* @param string|array $cycle If a string, the preset cycle value key to use
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* from $this->cycles; if an array, use the array as the cycle values.
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*
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* @param int $iteration The iteration number for the cycle.
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*
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* @param int $repeat The number of times to repeat each cycle value.
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*
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* @return mixed The value of the cycle iteration.
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*
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*/
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function plugin($cycle, $iteration, $repeat = 1)
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{
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// get the proper value set as an array
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if (is_string($cycle) && isset($this->values[$cycle])) {
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$values = (array) $this->values[$cycle];
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} else {
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$values = (array) $cycle;
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}
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// prevent divide-by-zero errors
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if ($repeat == 0) {
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$repeat = 1;
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}
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// return the perper value for iteration and repetition
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return $values[($iteration / $repeat) % count($values)];
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}
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}
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?>
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