<?php
/**
 * Wxml Dialog Module
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage base
 */

WBClass::load('WBWxml_Dialog');

/**
 * Wxml Dialog Module
 *
 * TOC - Table of content
 *
 * @version 0.1.0
 * @package WB
 * @subpackage base
 */
class WBWxml_Dialog_Specialchar extends WBWxml_Dialog
{
    /**
     * list of greek character
     * @var array
     */
    private $charGreek   =   array(
                                        'alpha',
                                        'beta',
                                        'gamma',
                                        'delta',
                                        'epsilon',
                                        'zeta',
                                        'eta',
                                        'theta',
                                        'iota',
                                        'kappa',
                                        'lambda',
                                        'mu',
                                        'nu',
                                        'xi',
                                        'omicron',
                                        'pi',
                                        'rho',
                                        'sigma',
                                        'tau',
                                        'upsilon',
                                        'phi',
                                        'chi',
                                        'psi',
                                        'omega',
                                        'Alpha',
                                        'Beta',
                                        'Gamma',
                                        'Delta',
                                        'Epsilon',
                                        'Zeta',
                                        'Eta',
                                        'Theta',
                                        'Iota',
                                        'Kappa',
                                        'Lambda',
                                        'Mu',
                                        'Nu',
                                        'Xi',
                                        'Omicron',
                                        'Pi',
                                        'Rho',
                                        'Sigma',
                                        'Tau',
                                        'Upsilon',
                                        'Phi',
                                        'Chi',
                                        'Psi',
                                        'Omega'
    
                                    );
    /**
     * Math symbols
     * @var array
     */
    private $charMath = array(
                                'laquo',
                                'raquo',
                                'lang',
                                'rang',
                                'loz',
                                'fnof',
                                'int',
                                'le',
                                'ge',
                                'lt',
                                'gt',
                                'ne',
                                'equiv',
                                'asymp',
                                'weierp',
                                'image',
                                'real',
                                'cap',
                                'cup',
                                'sub',
                                'sup',       
                                'nsub',
                                'sube',
                                'supe',       
                                'oplus',
                                'otimes',
                                'and',
                                'or',       
                                'perp',
                                'ang',
                                'lceil',       
                                'rceil',       
                                'lfloor',       
                                'rfloor',       
                                'alefsym',
                                'infin',
                                'prop',
                                'radic', 
                                'middot',
                                'plusmn',
                                'bull',
                                'sdot',
                                'frac14',
                                'frac12',
                                'frac34',
                                'not',
                                'tilde',
                                'ndash',
                                'mdash',
                                'hellip',
                                'dagger',
                                'Dagger',
                                '#x1e40',
                                '#x1e41'
                                );
    /**
     * common symbols
     * @var array
     */
    private $charCommon = array(
                                'spades',
                                'clubs',
                                'hearts',
                                'diams',
                                'Oslash',
                                'oslash',
                                'larr',
                                'rarr',
                                'darr',
                                'harr',
                                'lArr',
                                'rArr',
                                'dArr',
                                'hArr',
                                'crarr',  
                                'prime',
                                'Prime',
                                'copy',
                                'trade',
                                'reg',
                                'deg',
                                'para',
                                'quot',
                                'lsquo',
                                'rsquo',
                                'ldquo',
                                'rdquo',
                                'raquo',
                                'cent',
                                'pound',
                                'curren',
                                'yen',
                                'euro',
                                'permil',
                                'aelig',
                                'AElig',
                                'oelig',
                                'OElig'
                                );
                                
    /**
     * combination characters
     * @var array
     */
    private $charCombining = array();

    /**
     * font list
     * @var array
     */
    private $charFont   =   array();

    /**
     * Submit
     */
    public function submit()
    {
        $this->makeCharCombination();
        $this->makeCharFont();
        $char   =   $this->req->get('char', '');
        if (empty($char)) {
            $this->showList();
            return;
        }

        if (!in_array($char, $this->charGreek)
                && !in_array($char, $this->charMath)
                && !in_array($char, $this->charCommon)
                && !in_array($char, $this->charCombining)            
                && !in_array($char, $this->charFont)
            ) {
            $this->showList();
            return;
        }
        
        $this->loadTemplates('insert');
        $this->tmpl->addGlobalVar('value', '&'. $char . ';');
    }
    
    /**
     * Show all lists
     */
    private function showList()
    {
        $this->loadTemplates('list');
        $this->tmpl->addVar('greek_list_entry', 'value', $this->charGreek);
        $this->tmpl->addVar('math_list_entry', 'value', $this->charMath);
        $this->tmpl->addVar('common_list_entry', 'value', $this->charCommon);
        $this->tmpl->addVar('combining_list_entry', 'value', $this->charCombining);
        $this->tmpl->addVar('font_list_entry', 'value', $this->charFont);
    }

    private function makeCharFont()
    {
        if (!empty($this->charFont)) {
            return;
        }

        $char   =   array_merge(range('A', 'Z'), range('a', 'z'));
        $style  =   array('scr', 'fr', 'opf');
        foreach ($style as $s) {
            foreach ($char as $c) {
                $this->charFont[]   =   $c . $s;
            }
        }
    }

    /**
     * create list of combination chars
     *
     * http://www.fileformat.info/info/unicode/block/combining_diacritical_marks/index.htm
     */
    private function makeCharCombination()
    {
        if (!empty($this->charCombining) || empty($this->select)) {
            return;
        }
        $comb   =   range(0x300, 0x36f);
        foreach ($comb as $c) {
            $this->charCombining[]  =   '#'. $c;
        }
    }
}