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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung |
| 19 | * (under the project TAO-TRANSFER); |
| 20 | * 2009-2012 (update and modification) Public Research Centre Henri Tudor |
| 21 | * (under the project TAO-SUSTAIN & TAO-DEV); |
| 22 | * 2013 |
| 23 | */ |
| 24 | |
| 25 | use oat\tao\helpers\form\elements\xhtml\XhtmlRenderingTrait; |
| 26 | |
| 27 | /** |
| 28 | * An XHTML Form Element enabling the edition of JSON strings. |
| 29 | */ |
| 30 | class tao_helpers_form_elements_xhtml_JsonObject extends tao_helpers_form_elements_JsonObject |
| 31 | { |
| 32 | use XhtmlRenderingTrait; |
| 33 | |
| 34 | /** |
| 35 | * Render the JSON String as a collection of key/value pairs |
| 36 | * |
| 37 | * @return string |
| 38 | */ |
| 39 | public function render() |
| 40 | { |
| 41 | $returnValue = $this->renderLabel(); |
| 42 | |
| 43 | if (empty($this->value) === true) { |
| 44 | // @todo should be in a blue info box. |
| 45 | $returnValue .= "No values to display."; |
| 46 | } elseif (($jsonObject = @json_decode($this->value)) === null) { |
| 47 | // @todo should be in a red error box. |
| 48 | $returnValue .= "Invalid value."; |
| 49 | } else { |
| 50 | // Valid JSON to be displayed. |
| 51 | $returnValue .= "<ul class=\"json-object-list\">"; |
| 52 | |
| 53 | foreach ($jsonObject as $jsonKey => $jsonValue) { |
| 54 | $returnValue .= "<li>"; |
| 55 | |
| 56 | $returnValue .= "<div class=\"widget-jsonobject-key\">" . _dh($jsonKey) . ":</div>"; |
| 57 | $returnValue .= "<div><input class=\"widget-jsonobject-value\" type=\"text\" disabled=\"disabled\" " |
| 58 | . "value=\"${jsonValue}\" /></</div>"; |
| 59 | |
| 60 | $returnValue .= "</li>"; |
| 61 | } |
| 62 | |
| 63 | $returnValue .= "</ul>\n"; |
| 64 | } |
| 65 | |
| 66 | return $returnValue; |
| 67 | } |
| 68 | } |