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<?php |
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declare(strict_types=1); |
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namespace SKien\Formgenerator; |
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/** |
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* Class to create a line starting with label. |
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* - create as child of a FormField using FormFieldSet::addLine(). |
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* - create standalone as direct child of the form |
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* |
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* @package Formgenerator |
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* @author Stefanius <[email protected]> |
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* @copyright MIT License - see the LICENSE file for details |
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*/ |
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class FormLine extends FormCollection |
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{ |
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/** line contains only HR - no further childs! */ |
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const HR = '<hr>'; |
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/** @var string text for the line label */ |
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protected string $strLabel; |
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/** @var int col count */ |
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protected int $iCols = 0; |
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/** @var string the if set, label with for attribute is created */ |
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protected string $strLabelFor = ''; |
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/** |
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* Create new line. |
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* The label is allways the first child / col of the line. |
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* If you want a line that contains any other element in the first col, you must |
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* leave the label empty AND set the width of the first col of the line to 0 |
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* (`setColWidth([0, xx, xx, ...])`). |
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* With `$strLabel = self::HR` a horizontal line is created. |
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* @param string $strLabel text for label |
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* @param string $strLabelFor crate label for this element |
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*/ |
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public function __construct(string $strLabel, string $strLabelFor = '') |
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{ |
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parent::__construct(0); |
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$this->strLabel = $strLabel; |
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$this->strLabelFor = $strLabelFor; |
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$this->iCol = 0; |
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$this->strID = ''; |
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} |
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/** |
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* {@inheritDoc} |
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* @see \SKien\Formgenerator\FormElement::fromXML() |
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* @internal |
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*/ |
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static public function fromXML(\DOMElement $oXMLElement, FormCollection $oFormParent) : ?FormElement |
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{ |
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if (self::getAttribString($oXMLElement, 'horzline') !== null) { |
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$strLabel = self::HR; |
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} else { |
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$strLabel = self::getAttribString($oXMLElement, 'label', ' '); |
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} |
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$strLabelFor = self::getAttribString($oXMLElement, 'for', ''); |
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$oFormElement = new self($strLabel, $strLabelFor); |
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$oFormParent->add($oFormElement); |
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$oFormElement->readAdditionalXML($oXMLElement); |
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return $oFormElement; |
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} |
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/** |
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* Set the control for which a label should be created. |
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* @param string $strLabelFor |
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*/ |
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public function setLabelFor(string $strLabelFor) : void |
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{ |
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$this->strLabelFor = $strLabelFor; |
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} |
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/** |
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* Add a child to the line. |
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* Some properties of the element to add (parent, tabindex, ...) are changed/set |
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* with the call of this method. |
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* next col index is passed to the element and the col count is inkremented with |
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* each element added to this line. |
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* @param FormElementInterface $oElement element to add |
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* @return FormElementInterface added element |
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*/ |
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public function add(FormElementInterface $oElement) : FormElementInterface |
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{ |
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parent::add($oElement); |
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$oElement->setCol(++$this->iCols); |
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return $oElement; |
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} |
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/** |
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* Build the HTML code for the element. |
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* The line is 'abstract' and representet by a div. <br/> |
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* All direct child elements are generated inside this div. |
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* @return string |
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* @internal |
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*/ |
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public function getHTML() : string |
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{ |
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$strWidth = $this->getColWidth(); |
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if (!empty($strWidth)) { |
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$this->addStyle('width', $strWidth); |
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} |
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if (!isset($this->aStyle['float'])) { |
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$this->addStyle('float', 'left'); |
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} |
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$strHTML = ''; |
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$strHTML .= ' <div'; |
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$strHTML .= $this->buildID(); |
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$strHTML .= ">" . PHP_EOL; |
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if (strtolower($this->strLabel) == self::HR) { |
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$strHTML .= '<hr>'; |
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} else { |
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if (strlen($this->strLabel) > 0 && $strWidth != '0%') { |
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$strHTML .= ' <label'; |
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$strHTML .= $this->buildStyle(); |
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if (strlen($this->strLabelFor) > 0) { |
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$strHTML .= ' for="' . $this->strLabelFor . '"'; |
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} |
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$strHTML .= '>' . $this->strLabel . '</label>' . PHP_EOL; |
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} |
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$iCnt = count($this->aChild); |
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for ($i = 0; $i < $iCnt; $i++) { |
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$strHTML .= $this->aChild[$i]->getHTML(); |
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} |
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$strHTML .= ' <br style="clear:both;" />' . PHP_EOL; |
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} |
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$strHTML .= ' </div>' . PHP_EOL; |
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return $strHTML; |
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} |
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} |
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Stefanius67 /
Formgenerator
