/
ToggleField.php
executable file
·99 lines (80 loc) · 2.73 KB
/
ToggleField.php
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<?php
/**
* ReadonlyField with added toggle-capabilities - will preview the first sentence of the contained text-value,
* and show the full content by a javascript-switch.
*
* Caution: Strips HTML-encoding for the preview.
*/
class ToggleField extends ReadonlyField {
/**
* @var $labelMore string Text shown as a link to see the full content of the field
*/
public $labelMore;
/**
* @var $labelLess string Text shown as a link to see the partial view of the field content
*/
public $labelLess;
/**
* @var $truncateMethod string (FirstSentence|FirstParagraph) @see {Text}
*/
public $truncateMethod = 'FirstSentence';
/**
* @var $truncateChars int Number of chars to preview (optional).
* Truncating will be applied with $truncateMethod by default.
*/
public $truncateChars;
/**
* @param name The field name
* @param title The field title
* @param value The current value
*/
function __construct($name, $title = "", $value = "") {
$this->labelMore = _t('ToggleField.MORE', 'more');
$this->labelLess = _t('ToggleField.LESS', 'less');
$this->startClosed(true);
parent::__construct($name, $title, $value);
}
function Field() {
$content = '';
Requirements::javascript("jsparty/prototype.js");
Requirements::javascript("jsparty/behaviour.js");
Requirements::javascript("jsparty/prototype_improvements.js");
Requirements::javascript("sapphire/javascript/ToggleField.js");
if($this->startClosed) $this->addExtraClass('startClosed');
$valforInput = $this->value ? Convert::raw2att($this->value) : "";
$rawInput = Convert::html2raw($valforInput);
if($this->charNum) $reducedVal = substr($rawInput,0,$this->charNum);
else $reducedVal = DBField::create('Text',$rawInput)->{$this->truncateMethod}();
// only create togglefield if the truncated content is shorter
if(strlen($reducedVal) < strlen($rawInput)) {
$content = <<<HTML
<div class="readonly typography contentLess" style="display: none">
$reducedVal
<a href="#" class="triggerMore">$this->labelMore</a>
</div>
<div class="readonly typography contentMore">
$this->value
<a href="#" class="triggerLess">$this->labelLess</a>
</div>
<br />
<input type="hidden" name="$this->name" value="$valforInput" />
HTML;
} else {
$this->dontEscape = true;
$content = parent::Field();
}
return $content;
}
/**
* Determines if the field should render open or closed by default.
*
* @param boolean
*/
public function startClosed($bool) {
($bool) ? $this->addExtraClass('startClosed') : $this->removeExtraClass('startClosed');
}
function Type() {
return "toggleField";
}
}
?>