| 1 | jonen | 1.1 | <? | 
| 2 |  |  | /* | 
| 3 |  |  | ##    ----------------------------------------------------------------------------- | 
| 4 |  |  | ##    $Id: EditDataItem.php,v 1.6 2003/04/11 00:48:03 joko Exp $ | 
| 5 |  |  | ##    ----------------------------------------------------------------------------- | 
| 6 |  |  | ##    $Log: EditDataItem.php,v $ | 
| 7 |  |  | ## | 
| 8 |  |  | ## | 
| 9 |  |  | ##    ----------------------------------------------------------------------------- | 
| 10 |  |  | */ | 
| 11 |  |  |  | 
| 12 |  |  | class CreateDataItem extends StandardFormContent { | 
| 13 |  |  |  | 
| 14 |  |  | /** | 
| 15 |  |  | * holds reference to source object. | 
| 16 |  |  | */ | 
| 17 |  |  | var $_datasource = NULL; | 
| 18 |  |  |  | 
| 19 |  |  | /** | 
| 20 |  |  | * container for arguments needed for e.g. setting the source object. | 
| 21 |  |  | */ | 
| 22 |  |  | var $_options = array(); | 
| 23 |  |  |  | 
| 24 |  |  | var $_confirm_msg = "Die Daten wurden erfolgreich gespeichert!"; | 
| 25 |  |  |  | 
| 26 |  |  | function CreateDataItem($title, $options = array()) { | 
| 27 |  |  | $this->_options = $options; | 
| 28 |  |  | // prefetch data | 
| 29 |  |  | $this->data_prefetch(); | 
| 30 |  |  |  | 
| 31 |  |  | // doesn't work if EditDataItem gets inherited | 
| 32 |  |  | //$parent = get_parent_class($this); | 
| 33 |  |  | //$this->$parent($title, $PHP_SELF, 600); | 
| 34 |  |  |  | 
| 35 |  |  | $this->StandardFormContent($title, $PHP_SELF, 600); | 
| 36 |  |  |  | 
| 37 |  |  | } | 
| 38 |  |  |  | 
| 39 |  |  | function set_data_source(&$source) { | 
| 40 |  |  | $this->_datasource = &$source; | 
| 41 |  |  | } | 
| 42 |  |  |  | 
| 43 |  |  | function get_data_source() { | 
| 44 |  |  | $initial_locator = php::mkComponent( 'DataSource::Locator', array( adapter_type => 'phpHtmlLib' ) ); | 
| 45 |  |  | $proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options['data_locator_meta']); | 
| 46 |  |  | $source = $proxy->get_adapter(); | 
| 47 |  |  | $this->set_data_source( &$source ); | 
| 48 |  |  | } | 
| 49 |  |  |  | 
| 50 |  |  | function _check_datasource($function_name) { | 
| 51 |  |  | if ( !is_object($this->_datasource) ) { | 
| 52 |  |  | user_error("DataList::".$function_name."() - DataListSource object is not set"); | 
| 53 |  |  | exit; | 
| 54 |  |  | } | 
| 55 |  |  | } | 
| 56 |  |  |  | 
| 57 |  |  | function data_prefetch() { | 
| 58 |  |  | $this->get_data_source(); | 
| 59 |  |  | $this->_check_datasource("data_prefetch"); | 
| 60 |  |  |  | 
| 61 |  |  | $this->_datasource->do_query(); | 
| 62 |  |  | } | 
| 63 |  |  |  | 
| 64 |  |  | /** | 
| 65 |  |  | * This method gets called EVERY time the object is | 
| 66 |  |  | * created.  It is used to build all of the | 
| 67 |  |  | * FormElement objects used in this Form. | 
| 68 |  |  | * | 
| 69 |  |  | */ | 
| 70 |  |  | function form_init_elements() { | 
| 71 |  |  | //we want an confirmation page for this form. | 
| 72 |  |  | $this->set_confirm(); | 
| 73 |  |  |  | 
| 74 |  |  | $utils = php::mkComponent('WebExplorer::utils'); | 
| 75 |  |  | $hidden = $this->get_hidden_elements(); | 
| 76 |  |  | $options = $this->_options['decode_args']; | 
| 77 |  |  |  | 
| 78 |  |  | //print "Result: " . Dumper($this->_datasource->_result); | 
| 79 |  |  | //return; | 
| 80 |  |  |  | 
| 81 |  |  | if(php::is_hash($this->_datasource->_result)) { | 
| 82 |  |  | foreach($this->_datasource->_result as $key => $value) { | 
| 83 |  |  | if($value) { | 
| 84 |  |  | $validation = TRUE; | 
| 85 |  |  | } else { | 
| 86 |  |  | $validation = FALSE; | 
| 87 |  |  | } | 
| 88 |  |  | if(!is_array($value)) { | 
| 89 |  |  | if(!$utils->decode_item_expr($value, $hidden, $options) && !$utils->decode_item_array($value, $hidden, $options)) { | 
| 90 |  |  | $this->add_element( new FEText($key, $validation, "350px") ); | 
| 91 |  |  | } | 
| 92 |  |  | } else { | 
| 93 |  |  | $cnt = count($value); | 
| 94 |  |  | foreach($value as $item) { | 
| 95 |  |  | $list[$item] = $item; | 
| 96 |  |  | } | 
| 97 |  |  | $this->add_element( new FEListBox( $key, TRUE, "250px", $cnt*15 . "pt", $list ) ); | 
| 98 |  |  | } | 
| 99 |  |  | } | 
| 100 |  |  | } else { | 
| 101 |  |  | //$label = "list_box"; | 
| 102 |  |  | $label = $this->_options[data_locator_meta][ident]; | 
| 103 |  |  | $data = $this->_datasource->_result; | 
| 104 |  |  | $cnt = count($data); | 
| 105 |  |  | foreach($data as $value) { | 
| 106 |  |  | $data_list[$value] = $value; | 
| 107 |  |  | } | 
| 108 |  |  | $listbox = new FEListBox( $label, TRUE, "250px", $cnt*15 . "pt", $data_list ); | 
| 109 |  |  | $this->add_element( $listbox ); | 
| 110 |  |  | } | 
| 111 |  |  |  | 
| 112 |  |  | } | 
| 113 |  |  |  | 
| 114 |  |  | /** | 
| 115 |  |  | * This method is called only the first time the form | 
| 116 |  |  | * page is hit.  This enables u to query a DB and | 
| 117 |  |  | * pre populate the FormElement objects with data. | 
| 118 |  |  | * | 
| 119 |  |  | */ | 
| 120 |  |  | function form_init_data() { | 
| 121 |  |  | //Pull some valies from the DB | 
| 122 |  |  | //and set the initial values of some of the | 
| 123 |  |  | //form fields. | 
| 124 |  |  |  | 
| 125 |  |  | $utils = php::mkComponent('WebExplorer::utils'); | 
| 126 |  |  | $hidden = $this->get_hidden_elements(); | 
| 127 |  |  | $options = $this->_options['decode_args']; | 
| 128 |  |  |  | 
| 129 |  |  | if(php::is_hash($this->_datasource->_result)) { | 
| 130 |  |  | if(!$this->_is_new_hash_elem()) { | 
| 131 |  |  | foreach($this->_datasource->_result as $key => $value) { | 
| 132 |  |  | if(!$utils->decode_item_expr($value, $hidden, $options) && !$utils->decode_item_array($value, $hidden, $options)) { | 
| 133 |  |  | $this->set_element_value($key, $value); | 
| 134 |  |  | } | 
| 135 |  |  | } | 
| 136 |  |  | } else { | 
| 137 |  |  | $value = $this->_datasource->_result['class']; | 
| 138 |  |  | $this->set_element_value('class', $value); | 
| 139 |  |  | } | 
| 140 |  |  | } else { | 
| 141 |  |  | // nothing to do here for a ListBox, cause element hash is given to constructor at 'form_init_elements()' | 
| 142 |  |  | } | 
| 143 |  |  |  | 
| 144 |  |  | /* OLD !! | 
| 145 |  |  | $post_vars = array_join_merge($_GET, $_POST); | 
| 146 |  |  | foreach ($post_vars as $var => $val) { | 
| 147 |  |  | $this->set_hidden_element_value($var, $val); | 
| 148 |  |  | } | 
| 149 |  |  | */ | 
| 150 |  |  |  | 
| 151 |  |  | } | 
| 152 |  |  |  | 
| 153 |  |  |  | 
| 154 |  |  | function form_content() { | 
| 155 |  |  | $this->add_form_block($this->_caption, $this->_dataitem() ); | 
| 156 |  |  | } | 
| 157 |  |  |  | 
| 158 |  |  | function &_dataitem() { | 
| 159 |  |  | $table = &html_table($this->_width,0,2); | 
| 160 |  |  |  | 
| 161 |  |  | if(php::is_hash($this->_datasource->_result)) { | 
| 162 |  |  | //if(!$this->_is_new_hash_elem()) { | 
| 163 |  |  | foreach($this->_datasource->_result as $key => $value) { | 
| 164 |  |  | // if item is match by expression we will replace it with an link object | 
| 165 |  |  | if($this->_options['decode']) { | 
| 166 |  |  | $utils = php::mkComponent('WebExplorer::utils'); | 
| 167 |  |  | $hidden = $this->get_hidden_elements(); | 
| 168 |  |  | $options = $this->_options['decode_args']; | 
| 169 |  |  | $options[label] = $key; | 
| 170 |  |  | $options[parent_guid] = $this->_options['parent']['guid']; | 
| 171 |  |  | $options[parent_class] = $this->_options['parent']['class']; | 
| 172 |  |  | if($utils->decode_item_expr($value, $hidden, $options)) { | 
| 173 |  |  | $table->add_row($key, $value); | 
| 174 |  |  | } | 
| 175 |  |  | // if item is an Array we will replace it with an selection form object | 
| 176 |  |  | elseif($utils->decode_item_array($value, $hidden, $options) ) { | 
| 177 |  |  | $table->add_row($key, $value); | 
| 178 |  |  | } else { | 
| 179 |  |  | $table->add_row($this->element_label($key), $this->element_form($key)); | 
| 180 |  |  | } | 
| 181 |  |  | } else { | 
| 182 |  |  | $table->add_row($this->element_label($key), $this->element_form($key)); | 
| 183 |  |  | } | 
| 184 |  |  | } | 
| 185 |  |  | //} else { | 
| 186 |  |  | //    $label = $this->_options[data_locator_meta][ident] . " new key:"; | 
| 187 |  |  | //$table->add_row($this->element_label($label), $this->element_form('hash_elem'), $this->element_form($value)); | 
| 188 |  |  | //    $table->add_row($label, $this->element_form('hash_key')); | 
| 189 |  |  | //} | 
| 190 |  |  | } else { | 
| 191 |  |  | $label = $this->_options[data_locator_meta][ident]; | 
| 192 |  |  | $table->add_row($this->element_label($label), $this->element_form($label)); | 
| 193 |  |  | } | 
| 194 |  |  |  | 
| 195 |  |  | return $table; | 
| 196 |  |  | } | 
| 197 |  |  |  | 
| 198 |  |  | /** | 
| 199 |  |  | * This method gets called after the FormElement data has | 
| 200 |  |  | * passed the validation.  This enables you to validate the | 
| 201 |  |  | * data against some backend mechanism, say a DB. | 
| 202 |  |  | * | 
| 203 |  |  | */ | 
| 204 |  |  | function form_backend_validation() { | 
| 205 |  |  | //$this->add_error("Ass", "some bogus error happened"); | 
| 206 |  |  | //return FALSE; | 
| 207 |  |  | //foreach($this->raw_data as $key => $value) { | 
| 208 |  |  | //  if($this->_elements[$key]->get_value()) { | 
| 209 |  |  | //    $this->add_error($key, "empty field!"); | 
| 210 |  |  | //    return FALSE; | 
| 211 |  |  | //  } else { | 
| 212 |  |  | //    return TRUE; | 
| 213 |  |  | //  } | 
| 214 |  |  | // } | 
| 215 |  |  | $this->set_action("Confirm"); | 
| 216 |  |  | return TRUE; | 
| 217 |  |  | } | 
| 218 |  |  |  | 
| 219 |  |  |  | 
| 220 |  |  | /** | 
| 221 |  |  | * This function is used to show an intermediary | 
| 222 |  |  | * confirmation page.  Use this function to | 
| 223 |  |  | * show a confirmation of the data that was | 
| 224 |  |  | * submitted by the user. | 
| 225 |  |  | * This will get called after all of the | 
| 226 |  |  | * form data was successfully validated. | 
| 227 |  |  | * All of the form data will automatically | 
| 228 |  |  | * be created as hidden form fields. All you | 
| 229 |  |  | * have to do is show the data, and a confirm | 
| 230 |  |  | * submit button. | 
| 231 |  |  | * | 
| 232 |  |  | * @return mixed - either raw html, or some | 
| 233 |  |  | *                 container HTMLTag object. | 
| 234 |  |  | */ | 
| 235 |  |  | function form_confirm( ) { | 
| 236 |  |  | $title = "Form Confirmation / " . $this->_options['caption']; | 
| 237 |  |  | $title .="( ".$this->_required_field_marker." ".$this->_required_field_text." )"; | 
| 238 |  |  | $table = new InfoTable($title, $this->_width); | 
| 239 |  |  |  | 
| 240 |  |  | $this->build_confirm_table( $table ); | 
| 241 |  |  |  | 
| 242 |  |  | if(php::is_hash($this->_datasource->_result)) { | 
| 243 |  |  | if(!$this->_is_new_hash_elem()) { | 
| 244 |  |  | $button_confirm = array( 'value' => "ecdfe", 'label' => "Confirm" ); | 
| 245 |  |  | } else { | 
| 246 |  |  | $button_confirm = array( 'value' => "ecdfcr", 'label' => "Confirm"); | 
| 247 |  |  | } | 
| 248 |  |  | } else { | 
| 249 |  |  | $button_confirm = array( 'value' => "ecdfcr", 'label' => "Confirm"); | 
| 250 |  |  | } | 
| 251 |  |  | //now add the confirmation button | 
| 252 |  |  | $td = new TDtag(array("colspan" => 2, | 
| 253 |  |  | "class" => "contentnovertical", | 
| 254 |  |  | "align" => "center"), | 
| 255 |  |  | form_submit($button_confirm[value], $button_confirm[label]), | 
| 256 |  |  | _HTML_SPACE, | 
| 257 |  |  | $this->add_action("Edit")); | 
| 258 |  |  |  | 
| 259 |  |  | if ($this->_cancel_action) { | 
| 260 |  |  | $td->add(_HTML_SPACE, $this->add_cancel()); | 
| 261 |  |  | } | 
| 262 |  |  |  | 
| 263 |  |  | $table->add_row( $td ); | 
| 264 |  |  |  | 
| 265 |  |  | return $table; | 
| 266 |  |  | } | 
| 267 |  |  |  | 
| 268 |  |  |  | 
| 269 |  |  |  | 
| 270 |  |  |  | 
| 271 |  |  | /** | 
| 272 |  |  | * This method is called ONLY after ALL validation has | 
| 273 |  |  | * passed.  This is the method that allows you to | 
| 274 |  |  | * do something with the data, say insert/update records | 
| 275 |  |  | * in the DB. | 
| 276 |  |  | */ | 
| 277 |  |  | function confirm_action() { | 
| 278 |  |  |  | 
| 279 |  |  | $utils = php::mkComponent('WebExplorer::utils'); | 
| 280 |  |  | $hidden = $this->get_hidden_elements(); | 
| 281 |  |  | $options = $this->_options['decode_args']; | 
| 282 |  |  |  | 
| 283 |  |  | if(php::is_hash($this->_datasource->_result)) { | 
| 284 |  |  | if(!$this->_is_new_hash_elem()) { | 
| 285 |  |  | foreach($this->_datasource->_result as $label => $value_old) { | 
| 286 |  |  | if(!$utils->decode_item_expr($value_old, $hidden, $options) && !$utils->decode_item_array($value_old, $hidden, $options)) { | 
| 287 |  |  | $value_new = $this->_elements[$label]->get_value(); | 
| 288 |  |  | $data[$label] = $value_new; | 
| 289 |  |  | } | 
| 290 |  |  | } | 
| 291 |  |  | // set query values for datasource | 
| 292 |  |  | $this->_options['data_locator_meta']['action'] = "write"; | 
| 293 |  |  | $this->_options['data_locator_meta']['data'] = $data; | 
| 294 |  |  |  | 
| 295 |  |  | // TODO: 'data_prefetch()' will never return ANYTHING! | 
| 296 |  |  | //           Implement some error-handling there or somewhere. | 
| 297 |  |  | $error = $this->data_prefetch(); | 
| 298 |  |  |  | 
| 299 |  |  | //$error = $this->_datasource->set($item); | 
| 300 |  |  | if(!$error) { | 
| 301 |  |  | // fetch fresh data | 
| 302 |  |  | $this->_options['data_locator_meta']['action'] = "read"; | 
| 303 |  |  | // unset previous initialed 'data' var | 
| 304 |  |  | $this->_options['data_locator_meta']['data'] = NULL; | 
| 305 |  |  | $this->data_prefetch(); | 
| 306 |  |  |  | 
| 307 |  |  | $this->set_action_message($this->_confirm_msg); | 
| 308 |  |  | return TRUE; | 
| 309 |  |  | } else { | 
| 310 |  |  | return FALSE; | 
| 311 |  |  | } | 
| 312 |  |  | } else { | 
| 313 |  |  | $label = $this->_options[data_locator_meta][ident]; | 
| 314 |  |  | $value = $this->_elements['hash_key']->get_value(); | 
| 315 |  |  | $class = $this->_elements['class']->get_value(); | 
| 316 |  |  | $this->_options['data_locator_meta']['hash_key'] = $value; | 
| 317 |  |  | $this->_options['data_locator_meta']['nodename'] = $class; | 
| 318 |  |  | $error = $this->data_prefetch(); | 
| 319 |  |  | if(!$error) { | 
| 320 |  |  | // set 'caption' to new created item | 
| 321 |  |  | $this->_form_title = $value; | 
| 322 |  |  | // set query values for datasource | 
| 323 |  |  | $this->_options['data_locator_meta']['action'] = "read"; | 
| 324 |  |  | $this->_options['data_locator_meta']['ident'] = $this->_datasource->_result[guid]; | 
| 325 |  |  | $this->_options['data_locator_meta']['nodename'] = $value; | 
| 326 |  |  | $this->_options['data_locator_meta']['parent'] = NULL; | 
| 327 |  |  | // fetch data | 
| 328 |  |  | $this->data_prefetch(); | 
| 329 |  |  | // init data elements: cause data result is now diffrent (the new created data entry) | 
| 330 |  |  | //, we have to initialise elements new | 
| 331 |  |  | $this->form_init_elements(); | 
| 332 |  |  | $this->form_init_data(); | 
| 333 |  |  |  | 
| 334 |  |  | $this->set_action_message($this->_confirm_msg); | 
| 335 |  |  | return TRUE; | 
| 336 |  |  | } else { | 
| 337 |  |  | return FALSE; | 
| 338 |  |  | } | 
| 339 |  |  | } | 
| 340 |  |  | } else { | 
| 341 |  |  | $label = $this->_options[data_locator_meta][ident]; | 
| 342 |  |  | $value = $this->_elements[$label]->get_value(); | 
| 343 |  |  | // set query values for datasource | 
| 344 |  |  | //$this->_options['data_locator_meta']['action'] = "create"; | 
| 345 |  |  | $this->_options['data_locator_meta']['nodename'] = $value; | 
| 346 |  |  |  | 
| 347 |  |  | // TODO: 'data_prefetch()' will never return ANYTHING! | 
| 348 |  |  | //           Implement some error-handling there or somewhere. | 
| 349 |  |  | $error = $this->data_prefetch(); | 
| 350 |  |  |  | 
| 351 |  |  | //$error = $this->_datasource->set($item); | 
| 352 |  |  | if(!$error) { | 
| 353 |  |  | // set 'caption' to new created item | 
| 354 |  |  | $this->_form_title = $value; | 
| 355 |  |  | // set query values for datasource | 
| 356 |  |  | $this->_options['data_locator_meta']['action'] = "read"; | 
| 357 |  |  | $this->_options['data_locator_meta']['ident'] = $this->_datasource->_result[guid]; | 
| 358 |  |  | $this->_options['data_locator_meta']['nodename'] = $value; | 
| 359 |  |  | $this->_options['data_locator_meta']['parent'] = NULL; | 
| 360 |  |  | // fetch data | 
| 361 |  |  | $this->data_prefetch(); | 
| 362 |  |  | // init data elements: cause data result is now diffrent (the new created data entry) | 
| 363 |  |  | //, we have to initialise elements new | 
| 364 |  |  | $this->form_init_elements(); | 
| 365 |  |  | $this->form_init_data(); | 
| 366 |  |  |  | 
| 367 |  |  | $this->set_action_message($this->_confirm_msg); | 
| 368 |  |  | return TRUE; | 
| 369 |  |  | } else { | 
| 370 |  |  | return FALSE; | 
| 371 |  |  | } | 
| 372 |  |  | } | 
| 373 |  |  |  | 
| 374 |  |  | } | 
| 375 |  |  |  | 
| 376 |  |  | /** | 
| 377 |  |  | * This function is used to build the standard | 
| 378 |  |  | * buttons for a form. | 
| 379 |  |  | * | 
| 380 |  |  | * @return ButtonPanel | 
| 381 |  |  | */ | 
| 382 |  |  | function form_content_buttons() { | 
| 383 |  |  | if(php::is_hash($this->_datasource->_result)) { | 
| 384 |  |  | if(!$this->_is_new_hash_elem()) { | 
| 385 |  |  | $button_save = array( 'value' => "ecdfe", 'label' => "Save" ); | 
| 386 |  |  | } else { | 
| 387 |  |  | $button_save = array( 'value' => "ecdfcr", 'label' => "Create"); | 
| 388 |  |  | } | 
| 389 |  |  | } else { | 
| 390 |  |  | $button_save = array( 'value' => "ecdfcr", 'label' => "Create"); | 
| 391 |  |  | } | 
| 392 |  |  | $div = new DIVtag( array("style" => "background-color: #eeeeee;". | 
| 393 |  |  | "padding-top:5px;padding-bottom:5px", | 
| 394 |  |  | "align"=>"center", "nowrap"), | 
| 395 |  |  | form_submit($button_save[value], $button_save[label]), | 
| 396 |  |  | _HTML_SPACE, | 
| 397 |  |  | //$this->add_cancel() | 
| 398 |  |  | form_submit('ecdfc', "Cancel") | 
| 399 |  |  | ); | 
| 400 |  |  | return $div; | 
| 401 |  |  | } | 
| 402 |  |  |  | 
| 403 |  |  |  | 
| 404 |  |  | function get_hidden_elements() { | 
| 405 |  |  | foreach($this->_hidden_elements as $label => $object) { | 
| 406 |  |  | $value = $this->_hidden_elements[$label]->get_value(); | 
| 407 |  |  | $tmp_array[$label] = $value; | 
| 408 |  |  | } | 
| 409 |  |  | return $tmp_array; | 
| 410 |  |  | } | 
| 411 |  |  |  | 
| 412 |  |  |  | 
| 413 |  |  | function _is_new_hash_elem() { | 
| 414 |  |  | foreach($this->_datasource->_result as $key => $value) { | 
| 415 |  |  | if($key == "hash_key")  { return TRUE; } | 
| 416 |  |  | else { return FALSE; } | 
| 417 |  |  | } | 
| 418 |  |  | } | 
| 419 |  |  |  | 
| 420 |  |  | } | 
| 421 |  |  |  | 
| 422 |  |  |  | 
| 423 |  |  | ?> |