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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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* Element to display image inside of a 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 FormImage extends FormElement |
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{ |
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/** standard delete image */ |
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const IMG_DELETE = 1; |
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/** standard search image */ |
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const IMG_SEARCH = 2; |
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/** standard search image */ |
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const IMG_BROWSE = 3; |
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/** standard image for date picker */ |
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const IMG_DATE_PICKER = 4; |
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/** standard image for time picker */ |
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const IMG_TIME_PICKER = 5; |
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/** standard image for dtu insert (DTU: Date-Time-User) */ |
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const IMG_DTU = 6; |
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/** @var string|int image to display */ |
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protected $img; |
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/** @var string CSS styles */ |
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protected string $strStyle; |
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/** @var string image is bound to this input element */ |
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protected string $strBoundTo = ''; |
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/** @var string image to use, if no image set */ |
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protected string $strDefaultImg = ''; |
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/** |
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* Create image element. |
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* @param string $strName |
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* @param string|int $img image to display or index to a standard image |
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* @param string $strOnClick JS onclick() handler |
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* @param int $wFlags |
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* @param string $strStyle CSS style (default '') |
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*/ |
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public function __construct(string $strName, $img, string $strOnClick, int $wFlags = 0, string $strStyle = '') |
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{ |
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parent::__construct($wFlags); |
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$this->strName = $strName; |
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$this->img = $img; |
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$this->addAttribute('onclick', $strOnClick); |
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if (strlen($strStyle) > 0) { |
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$this->parseStyle($strStyle); |
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} |
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if (!isset($this->aStyle['vertical-align'])) { |
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$this->addStyle('vertical-align', 'text-bottom'); |
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} |
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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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*/ |
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static public function fromXML(\DOMElement $oXMLElement, FormCollection $oFormParent) : ?FormElement |
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{ |
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$strName = self::getAttribString($oXMLElement, 'name', ''); |
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$image = self::getAttribString($oXMLElement, 'image', ''); |
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$strConstName = 'self::' . strtoupper($image); |
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if (defined($strConstName)) { |
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$image = constant($strConstName); |
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} |
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$wFlags = self::getAttribFlags($oXMLElement); |
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$oFormElement = new self($strName, $image, '', $wFlags); |
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$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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* {@inheritDoc} |
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* @see \SKien\Formgenerator\FormElement::readAdditionalXML() |
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*/ |
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public function readAdditionalXML(\DOMElement $oXMLElement) : void |
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{ |
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parent::readAdditionalXML($oXMLElement); |
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if (($strBindTo = self::getAttribString($oXMLElement, 'bindto')) !== null) { |
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$this->bindTo($strBindTo); |
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} |
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if (($strDefault = self::getAttribString($oXMLElement, 'default')) !== null) { |
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$this->setDefault($strDefault); |
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} |
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} |
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/** |
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* Bind the image to an input field that contains the imagepath. |
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* @param string $strBoundTo |
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*/ |
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public function bindTo(string $strBoundTo) : void |
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{ |
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$this->strBoundTo = $strBoundTo; |
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} |
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/** |
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* Set a default image, if no image set or the bounded input contains no data. |
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* @param string $strDefault |
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*/ |
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public function setDefault(string $strDefault) : void |
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{ |
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$this->strDefaultImg = $strDefault; |
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} |
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/** |
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* Build the HTML-notation for the image. |
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* @return string |
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*/ |
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public function getHTML() : string |
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{ |
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$strStyle = ''; |
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if ($this->oFlags->isSet(FormFlags::ALIGN_CENTER)) { |
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$strStyle = 'text-align: center;'; |
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} else if ($this->oFlags->isSet(FormFlags::ALIGN_RIGHT)) { |
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$strStyle = 'text-align: right;'; |
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} |
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$strHTML = $this->buildContainerDiv($strStyle); |
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$strImg = $this->getImg(); |
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$strAlt = 'Image'; |
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$strHTML .= '<img src="' . $strImg . '" alt="' . $strAlt . '"'; |
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if (!empty($this->strName)) { |
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$strHTML .= ' id="' . $this->strName . '"'; |
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} |
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$strHTML .= $this->buildStyle(); |
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$strHTML .= $this->buildClass(); |
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$strHTML .= $this->buildID(); |
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$strHTML .= $this->buildAttributes(); |
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$strHTML .= '></div>' . PHP_EOL; |
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return $strHTML; |
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} |
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/** |
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* Get the image to display. |
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* Can be <ul> |
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* <li> the image contained in the value of a bounded input field </li> |
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* <li> a standard image specified by number </li> |
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* <li> the image specified by the img property </li></ul> |
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* @return string |
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*/ |
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protected function getImg() : string |
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{ |
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$strImg = ''; |
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if (strlen($this->strDefaultImg) > 0) { |
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$this->addAttribute('data-default', $this->strDefaultImg); |
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} |
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if (strlen($this->strBoundTo) > 0) { |
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$this->addAttribute('data-bound-to', $this->strBoundTo); |
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$strImg = $this->oFG->getData()->getValue($this->strBoundTo); |
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} else if (is_numeric($this->img)) { |
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[$strImg, $strTitle] = $this->oFG->getStdImage(intval($this->img)); |
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if (strlen($strTitle) > 0) { |
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$this->addAttribute('title', $strTitle); |
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} |
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} else { |
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$strImg = $this->img; |
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} |
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if (strlen($strImg) == 0) { |
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$strImg = $this->strDefaultImg; |
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} |
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return $strImg; |
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} |
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} |
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Stefanius67 /
Formgenerator
