1 | <?php |
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2 | # -- BEGIN LICENSE BLOCK --------------------------------------- |
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3 | # |
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4 | # This file is part of Dotclear 2. |
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5 | # |
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6 | # Copyright (c) 2003-2013 Olivier Meunier & Association Dotclear |
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7 | # Licensed under the GPL version 2.0 license. |
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8 | # See LICENSE file or |
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9 | # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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10 | # |
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11 | # -- END LICENSE BLOCK ----------------------------------------- |
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12 | |
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13 | if (!defined('DC_RC_PATH')) { return; } |
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14 | |
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15 | |
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16 | class dcFilterSetExtension extends Twig_Extension { |
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17 | private $filtersets; |
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18 | |
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19 | public function __construct($core) |
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20 | { |
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21 | $this->core = $core; |
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22 | $this->tpl = 'formfilter_layout.html.twig'; |
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23 | } |
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24 | |
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25 | public function initRuntime(Twig_Environment $environment) |
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26 | { |
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27 | $this->core->tpl->getExtension('dc_form')->addTemplate($this->tpl); |
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28 | } |
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29 | |
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30 | |
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31 | public function getFunctions() |
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32 | { |
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33 | return array( |
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34 | 'filterset' => new Twig_Function_Method( |
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35 | $this, |
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36 | 'renderFilterSet', |
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37 | array( |
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38 | 'is_safe' => array('html'), |
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39 | 'needs_context' => true |
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40 | ))); |
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41 | } |
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42 | |
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43 | |
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44 | |
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45 | public function renderFilterSet($context,$name,$attributes=array()) |
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46 | { |
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47 | $context['filtersetname']=$name; |
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48 | echo $this->core->tpl->getExtension('dc_form')->renderBlock( |
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49 | 'filterset', |
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50 | $context |
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51 | ); |
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52 | } |
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53 | |
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54 | |
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55 | public function getName() |
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56 | { |
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57 | return 'dc_filterset'; |
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58 | } |
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59 | |
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60 | } |
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61 | |
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62 | |
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63 | class dcFilterSet extends dcForm { |
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64 | protected $filters; /// <b>array</b> lists of currently applied filters |
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65 | protected $form_prefix; /// <b>string</b> displayed form prefix |
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66 | protected $action; /// <b>string</b> form action page |
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67 | protected $hideform; /// <b>boolean</b> start form display hidden by default or not |
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68 | protected $name; /// <b>string</b> filterset name |
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69 | protected $core; |
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70 | |
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71 | /** |
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72 | Inits dcFilterSet object |
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73 | |
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74 | @param core <b>dcCore</b> Dotclear core reference |
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75 | @param form_prefix <b>string</b> form prefix to use for parameters |
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76 | */ |
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77 | public function __construct($core,$name,$action,$form_prefix="f_") { |
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78 | $this->form_prefix=$form_prefix; |
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79 | $this->filters = new ArrayObject(); |
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80 | $this->action = $action; |
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81 | $this->filtered = false; |
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82 | parent::__construct($core,$name,$action,'POST'); |
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83 | $this->id = "filters"; |
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84 | } |
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85 | |
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86 | public function setup() { |
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87 | $form_combo = array(); |
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88 | $form_combo['-'] = ''; |
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89 | foreach ($this->filters as $filter) { |
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90 | $filter->init(); |
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91 | $form_combo[$filter->id]=$filter->name; |
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92 | } |
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93 | $p = $this->form_prefix; |
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94 | $this |
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95 | ->addField ( |
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96 | new dcFieldCombo ($p.'add_filter','',$form_combo,array( |
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97 | ))) |
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98 | ->addField ( |
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99 | new dcFieldSubmit($p.'add',__('Add this filter'),array( |
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100 | ))) |
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101 | ->addField ( |
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102 | new dcFieldSubmit($p.'clear_filters',__('Delete all filters'),array( |
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103 | ))) |
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104 | ->addField ( |
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105 | new dcFieldSubmit($p.'apply',__('Apply filters and display options'),array( |
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106 | ))) |
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107 | ->addField ( |
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108 | new dcFieldSubmit($p.'reset',__('Reset'),array( |
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109 | ))) |
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110 | ; |
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111 | $this->setupFields(); |
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112 | $submitted = $this->getSubmittedFields(); |
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113 | /* Use cases : |
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114 | (1) $_POST not empty for formfilter fields : |
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115 | * efilters are set from $_POST |
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116 | * lfilters are set from $_GET |
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117 | * keep filters div shown |
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118 | (2) $_POST empty : |
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119 | * both efilters and lfilters are set from $_GET |
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120 | * hide filter div |
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121 | */ |
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122 | $action = false; |
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123 | //$allowed_actions = array('clear_filters','add','del_.*','apply','reset'); |
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124 | $allowed_actions = '#^(clear_filters|add|del_.*|apply|reset)$#'; |
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125 | // Fetch each $_POST parameter to see whether filters are concerned. |
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126 | // Only 1 action at a time is allowed. |
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127 | |
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128 | foreach ($_POST as $k => $v) { |
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129 | if (strpos($k,$this->form_prefix)===0) { |
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130 | $tmp = substr($k,strlen($this->form_prefix)); |
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131 | $count = preg_match($allowed_actions,$tmp,$match); |
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132 | echo $action; |
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133 | if ($count==1) { |
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134 | $action = $match[1]; |
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135 | break; |
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136 | } |
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137 | } |
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138 | } |
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139 | if ($action !== false) { |
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140 | // Use case (1) |
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141 | if ($action != 'clear_filters' && $action != 'reset') { |
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142 | $this->setupEditFilters($_POST); |
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143 | if ($action == 'add'){ |
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144 | if (isset($_POST[$p.'add_filter']) |
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145 | && isset($this->filters[$_POST[$p.'add_filter']])) { |
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146 | $this->filters[$_POST[$p.'add_filter']]->add(); |
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147 | } |
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148 | } elseif (strpos($action,'del_') === 0) { |
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149 | $count = preg_match('#del_(.+)_([0-9]+)#',$action,$match); |
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150 | echo "action=".$action; |
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151 | if (($count == 1) && isset($this->filters[$match[1]])) { |
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152 | $this->filters[$match[1]]->remove($match[2]); |
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153 | echo "remove"; |
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154 | } |
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155 | } elseif ($action=="apply") { |
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156 | $data = $this->saveFilters(); |
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157 | $query = http_build_query($data,'','&'); |
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158 | if ($query != '') { |
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159 | $query = (strpos($this->action,'?') === false ? '?' : '&').$query; |
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160 | } |
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161 | http::redirect($this->action.$query); |
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162 | exit; |
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163 | } |
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164 | } |
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165 | if (isset($_POST[$p."query"])) { |
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166 | parse_str($_POST[$p."query"],$out); |
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167 | $this->setupAppliedFilters($out); |
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168 | if ($action == 'reset') { |
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169 | $this->setupEditFilters($out); |
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170 | } |
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171 | } |
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172 | $this->hideform=false; |
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173 | } else { |
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174 | // Use case (2) |
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175 | $load_from_settings = true; |
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176 | foreach($_GET as $k=>$v) { |
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177 | if (strpos($k,$this->form_prefix)===0) { |
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178 | $load_from_settings=false; |
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179 | break; |
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180 | } |
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181 | } |
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182 | $get = $_GET; |
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183 | if ($load_from_settings) { |
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184 | $get = new ArrayObject(array_merge($this->loadFilters(),$get)); |
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185 | } |
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186 | $this->setupEditFilters($get); |
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187 | $this->setupAppliedFilters($get); |
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188 | } |
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189 | $queryParams = $this->getListedFilters(); |
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190 | $this->addField( |
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191 | new dcFieldHidden($this->form_prefix.'query', |
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192 | http_build_query($queryParams))); |
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193 | $this->core->tpl->addGlobal('filterset_'.$this->name,$this->getContext()); |
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194 | } |
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195 | |
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196 | /** |
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197 | Saves user filters to preferences |
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198 | */ |
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199 | protected function saveFilters() { |
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200 | $ser = array(); |
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201 | $ws = $GLOBALS['core']->auth->user_prefs->addWorkspace('filters'); |
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202 | $data = new ArrayObject(); |
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203 | $data= $this->serialize(); |
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204 | $ws->put($this->name,serialize($data->getArrayCopy()),'string'); |
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205 | return $data; |
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206 | } |
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207 | |
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208 | /** |
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209 | Loads user filters from preferences |
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210 | */ |
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211 | protected function loadFilters() { |
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212 | $ws = $GLOBALS['core']->auth->user_prefs->addWorkspace('filters'); |
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213 | $data = (!is_null($ws->{$this->name})) ? unserialize($ws->{$this->name}) : array(); |
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214 | if (is_array($data)) |
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215 | return $data; |
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216 | else |
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217 | return array(); |
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218 | } |
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219 | |
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220 | /** |
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221 | Updates filters values according to form_data |
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222 | To be called before any call to display() or getForm() |
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223 | |
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224 | @param form_data <b>array</b> form values (usually $_GET or $_POST) |
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225 | */ |
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226 | protected function setupEditFilters ($form_data) { |
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227 | $this->hideform = true; |
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228 | foreach ($this->filters as $filter) { |
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229 | $filter->setupFields ($form_data); |
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230 | } |
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231 | } |
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232 | protected function setupAppliedFilters ($form_data) { |
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233 | foreach ($this->filters as $filter) { |
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234 | $filter->setupAppliedFilter ($form_data); |
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235 | } |
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236 | } |
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237 | /** |
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238 | Retrieves the filters values as parameters |
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239 | |
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240 | @param filters <b>array</b> list of concerned filters |
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241 | |
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242 | @return <b>array</b> the array of parameters |
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243 | |
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244 | */ |
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245 | |
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246 | protected function serialize() { |
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247 | $arr = new ArrayObject(); |
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248 | foreach ($this->filters as $f) { |
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249 | if ($f->isEnabled()) { |
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250 | $f->serialize($arr); |
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251 | } |
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252 | } |
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253 | return $arr; |
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254 | } |
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255 | /** |
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256 | Adds a new filter to list |
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257 | |
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258 | @param filter <b>dcFilter</b> the filter to add |
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259 | */ |
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260 | public function addFilter (dcFilter $filter) { |
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261 | $filter->setFormPrefix($this->form_prefix); |
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262 | $filter->setFilterSet($this); |
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263 | $this->filters[$filter->id] = $filter; |
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264 | return $this; |
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265 | } |
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266 | public function getContext() { |
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267 | $fcontext = new ArrayObject(); |
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268 | foreach ($this->filters as $f) { |
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269 | if($f->isEnabled()) { |
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270 | $f->appendEditLines($fcontext); |
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271 | } |
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272 | } |
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273 | return array( |
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274 | 'active_filters' => $fcontext, |
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275 | 'prefix'=>$this->form_prefix); |
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276 | } |
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277 | |
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278 | protected function getListedFilters() { |
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279 | $arr = new ArrayObject(); |
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280 | foreach ($this->filters as $f) { |
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281 | if ($f->isEnabled()) |
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282 | $f->updateAppliedValues($arr); |
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283 | } |
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284 | return $arr; |
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285 | } |
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286 | /** |
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287 | Applies fieldset and return resulting parameters for request |
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288 | |
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289 | @param method <b>string</b> form method to use (default: "get") |
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290 | @param method <b>string</b> form method to use (default: "get") |
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291 | |
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292 | */ |
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293 | public function applyFilters($params) { |
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294 | foreach ($this->filters as $filter) { |
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295 | if ($filter->isApplied()) { |
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296 | $filter->applyFilter($params); |
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297 | $this->filtered = true; |
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298 | } |
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299 | } |
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300 | return $this->filtered; |
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301 | } |
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302 | |
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303 | public function getDelName($field_id,$pos) { |
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304 | return $this->form_prefix.'del_'.$field_id.'_'.$pos; |
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305 | } |
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306 | |
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307 | } |
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308 | |
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309 | |
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310 | |
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311 | /** |
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312 | * dcFilter - describes an abstract filter |
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313 | * |
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314 | */ |
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315 | abstract class dcFilter { |
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316 | public $filterset; ///<b>string</b> filterset parent |
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317 | public $id; ///<b>string</b> field id (local to fieldset) |
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318 | public $name; ///<b>string</b> filter name |
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319 | public $desc; ///<b>string</b> field description |
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320 | protected $request_param; ///<b>string</b> resulting parameter array key |
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321 | protected $enabled; ///<b>string</b> true if filter is enabled |
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322 | protected $fields; ///<b>array</b> currently edited values |
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323 | protected $avalues; ///<b>array</b> currently applied values |
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324 | public $filter_id; ///<b>string</b> field id (global to the page) |
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325 | |
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326 | public function __construct ($id,$name,$desc,$request_param) { |
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327 | $this->id = $id; |
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328 | $this->name=$name; |
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329 | $this->desc = $desc; |
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330 | $this->request_param = $request_param; |
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331 | $this->enabled=false; |
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332 | $this->avalues = array(); |
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333 | $this->filter_id = $this->id; |
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334 | $this->fields = array(); |
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335 | } |
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336 | |
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337 | public function setupFields($data) { |
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338 | $val = $this->parseData($data); |
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339 | $pos=0; |
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340 | foreach($val['values'] as $v) { |
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341 | $this->addField($pos,$v); |
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342 | $pos++; |
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343 | } |
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344 | $this->enabled = ($pos> 0); |
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345 | }// abstract public function setupFields($data); |
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346 | |
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347 | |
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348 | public function init() { |
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349 | } |
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350 | |
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351 | /** |
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352 | Extract values from data (data being an array, such as $_GET or $_POST) |
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353 | |
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354 | @param $data <b>array</b> data to parse |
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355 | @return <b>array</b> field values |
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356 | |
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357 | */ |
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358 | protected function parseData($data) { |
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359 | $count=0; |
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360 | $arr = array(); |
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361 | while (isset($data[$this->getFieldId($count)])) { |
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362 | $arr[] = $data[$this->getFieldId($count)]; |
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363 | $count++; |
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364 | } |
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365 | return array('values' => $arr); |
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366 | } |
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367 | |
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368 | public function setupAppliedFilter($data) { |
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369 | $this->avalues = $this->parseData($data); |
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370 | } |
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371 | |
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372 | public function updateAppliedValues($arr) { |
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373 | foreach ($this->avalues['values'] as $k=>$v) { |
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374 | $arr[$this->getFieldID($k)]=$v; |
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375 | } |
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376 | } |
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377 | |
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378 | /** |
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379 | Defines the filterset containing this filter |
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380 | |
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381 | @param prefix <b>dcFilterset</b> the filterset |
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382 | */ |
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383 | public function setFilterSet($fs) { |
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384 | $this->filterset = $fs; |
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385 | } |
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386 | |
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387 | /** |
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388 | |
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389 | Defines form prefix for filter |
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390 | |
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391 | @param prefix <b>string</b> the form prefix |
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392 | */ |
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393 | public function setFormPrefix($prefix) { |
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394 | $this->filter_id = $prefix.$this->id; |
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395 | } |
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396 | |
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397 | /** |
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398 | Get a field id |
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399 | |
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400 | @param pos <b>integer</b> position of field, in case of multiple field (0 if only 1 field set, default value) |
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401 | @return <b>string</b> The field ID |
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402 | */ |
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403 | protected function getFieldId($pos=0) { |
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404 | if ($pos == 0) { |
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405 | return $this->filter_id; |
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406 | } else { |
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407 | return $this->filter_id.'_'.$pos; |
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408 | } |
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409 | } |
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410 | |
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411 | |
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412 | /** |
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413 | Tells whether the filter is enabled or not |
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414 | |
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415 | @return <b>boolean</b> true if enabled, false otherwise |
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416 | */ |
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417 | public function isEnabled() { |
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418 | return $this->enabled; |
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419 | } |
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420 | |
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421 | protected abstract function addField($pos,$value=NULL); |
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422 | |
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423 | /** |
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424 | Adds the current filter to the list |
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425 | */ |
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426 | public function add() { |
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427 | $this->addField(count($this->fields)); |
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428 | $this->enabled = true; |
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429 | } |
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430 | |
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431 | /** |
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432 | Removes a value from filter |
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433 | */ |
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434 | public function remove($pos) { |
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435 | if (isset($this->fields[$pos])) { |
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436 | $this->filterset->removeField($this->fields[$pos]); |
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437 | array_splice($this->fields,$pos,1); |
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438 | for ($cur=$pos; $cur<count($this->fields);$cur++) { |
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439 | $this->filterset->renameField($this->fields[$cur],$this->getFieldID($cur)); |
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440 | } |
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441 | $this->enabled = (count($this->fields)!=0); |
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442 | } |
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443 | |
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444 | } |
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445 | |
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446 | abstract protected function appendSingleLine($ctx,$pos); |
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447 | |
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448 | public function appendEditLines($ctx) { |
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449 | foreach ($this->fields as $cur => $f) { |
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450 | $line = new ArrayObject(); |
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451 | $line['lineclass'] = $this->id; |
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452 | $line['del_id'] = $this->filterset->getDelName($this->id,$cur); |
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453 | $del = new dcFieldSubmit( |
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454 | $this->filterset->getDelName($this->id,$cur), |
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455 | '-', |
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456 | array( |
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457 | 'attr' => array( |
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458 | 'title' => __('Delete the following filter'))) |
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459 | ); |
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460 | $this->filterset->addField($del); |
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461 | $this->appendSingleLine($line,$cur); |
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462 | $ctx[]=$line; |
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463 | } |
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464 | } |
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465 | |
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466 | public function serialize($arr) { |
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467 | for ($cur=0; $cur < count($this->fields); $cur++) { |
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468 | $arr[$this->getFieldId($cur)]=$this->fields[$cur]->getValue(); |
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469 | } |
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470 | } |
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471 | |
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472 | public function isApplied(){ |
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473 | return (count($this->avalues['values']) != 0); |
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474 | } |
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475 | |
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476 | /** |
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477 | Convert filter values into a $param filter, used for the upcoming SQL request |
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478 | |
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479 | @param <b>ArrayObject</b> the parameters array to enrich |
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480 | |
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481 | @return boolean true if a filter has been applied, false otherwise |
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482 | */ |
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483 | public function applyFilter($params) { |
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484 | return false; |
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485 | } |
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486 | |
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487 | public function header() { |
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488 | return ''; |
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489 | } |
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490 | |
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491 | } |
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492 | |
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493 | |
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494 | /** |
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495 | @ingroup DC_CORE |
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496 | @nosubgrouping |
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497 | @brief abstract filter class. |
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498 | |
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499 | Handle combo filter on admin side. Can be single or multi-valued |
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500 | */ |
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501 | class comboFilter extends dcFilter { |
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502 | protected $options; |
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503 | protected $verb; |
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504 | protected $extra; |
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505 | |
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506 | public function __construct($id,$name,$desc,$request_param,$options,$extra=array()) { |
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507 | parent::__construct($id,$name,$desc,$request_param); |
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508 | $this->options = $options; |
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509 | $this->extra = $extra; |
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510 | } |
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511 | |
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512 | public function init() { |
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513 | parent::init(); |
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514 | $this->verb = new dcFieldCombo( |
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515 | $this->filter_id.'_v', |
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516 | 'is', |
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517 | array( |
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518 | 'is'=>__('is'), |
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519 | 'isnot'=>__('is not')) |
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520 | ); |
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521 | } |
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522 | |
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523 | protected function parseData($data) { |
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524 | $val = parent::parseData($data); |
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525 | $val['verb'] = $this->verb->parseValue($data); |
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526 | return $val; |
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527 | } |
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528 | |
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529 | protected function addField($pos,$value=NULL) { |
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530 | if ($value === NULL) { |
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531 | $value = current($this->options); |
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532 | } |
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533 | $f = new dcFieldCombo( |
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534 | $this->getFieldID($pos), |
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535 | $value, |
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536 | $this->options); |
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537 | $this->filterset->addField($f); |
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538 | $this->fields[]=$f; |
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539 | } |
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540 | |
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541 | public function setupFields($data) { |
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542 | /*$val = $this->parseData($data); |
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543 | $this->verb->setup($data); |
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544 | $pos=0; |
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545 | foreach($val['values'] as $v) { |
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546 | $this->addField($pos,$v); |
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547 | } |
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548 | $this->enabled = (count($this->fields) != 0);*/ |
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549 | parent::setupFields($data); |
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550 | $this->verb->setup($data); |
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551 | $this->filterset->addField($this->verb); |
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552 | } |
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553 | public function updateAppliedValues($arr) { |
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554 | parent::updateAppliedValues($arr); |
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555 | if ($this->enabled) { |
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556 | $arr[$this->verb->getName()] = $this->verb->getValue(); |
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557 | } |
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558 | } |
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559 | public function add() { |
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560 | if (isset($this->extra['singleval']) && (count($this->fields) > 0)) |
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561 | return; |
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562 | parent::add(); |
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563 | } |
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564 | |
---|
565 | public function appendSingleLine($line,$pos) { |
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566 | $f = $this->fields[$pos]; |
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567 | $line['ffield'] = $f->getName(); |
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568 | |
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569 | if ($pos == 0) { |
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570 | $line['fwidget']='filter_combo'; |
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571 | $line['fverb'] = $this->verb->getName(); |
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572 | $line['desc']=$this->desc; |
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573 | } else { |
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574 | $line['fwidget']='filter_combo_cont'; |
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575 | }; |
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576 | } |
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577 | |
---|
578 | public function serialize($arr) { |
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579 | parent::serialize($arr); |
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580 | $arr[$this->filter_id.'_v']=$this->verb->getValue(); |
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581 | } |
---|
582 | |
---|
583 | public function applyFilter($params) { |
---|
584 | $attr = $this->request_param; |
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585 | if ($this->avalues['verb'] != "is") { |
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586 | $params[$attr."_not"] = true; |
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587 | } |
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588 | if (isset($this->extra['singleval'])) |
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589 | $params[$attr]=$this->avalues['values'][0]; |
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590 | else |
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591 | $params[$attr]=$this->avalues['values']; |
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592 | } |
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593 | |
---|
594 | } |
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595 | |
---|
596 | class booleanFilter extends dcFilter { |
---|
597 | protected $options; |
---|
598 | protected $verb; |
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599 | |
---|
600 | public function __construct($id,$name,$desc,$request_param,$options) { |
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601 | parent::__construct($id,$name,$desc,$request_param); |
---|
602 | $this->options = $options; |
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603 | } |
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604 | |
---|
605 | |
---|
606 | |
---|
607 | public function appendSingleLine($line,$pos) { |
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608 | $f = $this->fields[$pos]; |
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609 | $line['ffield'] = $f->getName(); |
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610 | |
---|
611 | if ($pos == 0) { |
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612 | $line['fwidget']='filter_boolean'; |
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613 | $line['desc']=$this->desc; |
---|
614 | }; |
---|
615 | } |
---|
616 | |
---|
617 | protected function addField($pos,$value=NULL) { |
---|
618 | if (count($this->fields)>0) |
---|
619 | return; |
---|
620 | if ($value === NULL) { |
---|
621 | $value = 1; |
---|
622 | } |
---|
623 | $f = new dcFieldCombo( |
---|
624 | $this->getFieldID($pos), |
---|
625 | $value, |
---|
626 | $this->options); |
---|
627 | $this->filterset->addField($f); |
---|
628 | $this->fields[]=$f; |
---|
629 | } |
---|
630 | |
---|
631 | public function applyFilter($params) { |
---|
632 | $params[$this->request_param]=$this->avalues['values'][0]; |
---|
633 | } |
---|
634 | |
---|
635 | } |
---|
636 | |
---|
637 | class textFilter extends dcFilter { |
---|
638 | protected $options; |
---|
639 | protected $verb; |
---|
640 | |
---|
641 | public function __construct($id,$name,$desc,$request_param,$options) { |
---|
642 | parent::__construct($id,$name,$desc,$request_param); |
---|
643 | $this->options = $options; |
---|
644 | } |
---|
645 | |
---|
646 | public function setupFields($data) { |
---|
647 | $val = $this->parseData($data); |
---|
648 | foreach($val['values'] as $k=>$v) { |
---|
649 | $this->addField($k,$v); |
---|
650 | } |
---|
651 | $this->enabled = (count($this->fields) != 0); |
---|
652 | } |
---|
653 | |
---|
654 | public function appendSingleLine($line,$pos) { |
---|
655 | $f = $this->fields[$pos]; |
---|
656 | $line['ffield'] = $f->getName(); |
---|
657 | |
---|
658 | if ($pos == 0) { |
---|
659 | $line['fwidget']='filter_boolean'; |
---|
660 | $line['desc']=$this->desc; |
---|
661 | }; |
---|
662 | } |
---|
663 | |
---|
664 | protected function addField($pos,$value=NULL) { |
---|
665 | if (count($this->fields)>0) |
---|
666 | return; |
---|
667 | if ($value === NULL) { |
---|
668 | $value = ''; |
---|
669 | } |
---|
670 | $f = new dcFieldText( |
---|
671 | $this->getFieldID($pos), |
---|
672 | $value); |
---|
673 | $this->filterset->addField($f); |
---|
674 | $this->fields[]=$f; |
---|
675 | } |
---|
676 | |
---|
677 | public function applyFilter($params) { |
---|
678 | $params[$this->request_param]=$this->avalues['values'][0]; |
---|
679 | } |
---|
680 | |
---|
681 | } |
---|
682 | |
---|
683 | ?> |
---|