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<?php |
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namespace Del\Form\Renderer\Field; |
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use Del\Form\Field\FieldInterface; |
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use Del\Form\Field\FileUpload; |
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use DOMElement; |
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use DOMNode; |
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use DOMText; |
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use InvalidArgumentException; |
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class FileUploadRender extends AbstractFieldRender |
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{ |
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/** |
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* @param FieldInterface $field |
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* @param DOMElement $element |
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* @return DOMNode |
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*/ |
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public function renderBlock(FieldInterface $field, DOMElement $element): DOMElement |
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{ |
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// Make sure the FieldInterface is actually a Radio |
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if (!$field instanceof FileUpload) { |
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throw new InvalidArgumentException('Must be a Del\Form\Field\FileUpload'); |
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} |
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$div = $this->getDom()->createElement('div'); |
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$script = $this->getDom()->createElement('script'); |
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$style = $this->getDom()->createElement('style'); |
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$style->setAttribute('type', 'text/css'); |
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$style->appendChild(new DOMText($this->getStyle())); |
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$input = $this->getDom()->createElement('input'); |
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$span = $this->getDom()->createElement('span'); |
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$innerSpan = $this->getDom()->createElement('span'); |
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$text = new DOMText($field->getLabel()); |
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$innerSpan->setAttribute('class', 'btn btn-primary btn-file'); |
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$innerSpan->appendChild($text); |
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$innerSpan->appendChild($element); |
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$span->setAttribute('class', 'input-group-btn'); |
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$span->appendChild($innerSpan); |
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$input->setAttribute('type', 'text'); |
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$input->setAttribute('class', 'form-control'); |
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$input->setAttribute('readonly', 'readonly'); |
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$script->setAttribute('type', 'text/javascript'); |
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$code = new DOMText($this->getJavascript()); |
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$script->appendChild($code); |
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$div->setAttribute('class', 'input-group'); |
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$div->appendChild($span); |
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$div->appendChild($input); |
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$div->appendChild($style); |
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$div->appendChild($script); |
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return $div; |
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} |
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/** |
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* @return string |
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*/ |
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private function getJavascript() |
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{ |
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return <<<END |
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$(document).on('change', '.btn-file :file', function() { |
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var input = $(this), |
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numFiles = input.get(0).files ? input.get(0).files.length : 1, |
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label = input.val().replace(/\\\\/g, '/').replace(/.*\//, ''); |
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input.trigger('fileselect', [numFiles, label]); |
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}); |
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$(document).ready( function() { |
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$('.btn-file :file').on('fileselect', function(event, numFiles, label) { |
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var input = $(this).parents('.input-group').find(':text'), |
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log = numFiles > 1 ? numFiles + ' files selected' : label; |
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if( input.length ) { |
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input.val(log); |
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} else { |
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if( log ) alert(log); |
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} |
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}); |
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}); |
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END; |
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} |
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private function getStyle() |
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{ |
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return <<<END |
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.btn-file { |
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position: relative; |
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overflow: hidden; |
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} |
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.btn-file input[type=file] { |
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position: absolute; |
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top: 0; |
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right: 0; |
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min-width: 100%; |
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min-height: 100%; |
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font-size: 100px; |
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text-align: right; |
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filter: alpha(opacity=0); |
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opacity: 0; |
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outline: none; |
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background: white; |
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cursor: inherit; |
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display: block; |
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} |
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input[readonly] { |
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background-color: white !important; |
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cursor: text !important; |
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} |
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END; |
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} |
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} |
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delboy1978uk /
form
