148 lines
3.1 KiB
PHP
148 lines
3.1 KiB
PHP
<?php
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/**
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* ReadonlyField with added toggle-capabilities - will preview the first sentence of the contained
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* text-value, and show the full content by a javascript-switch.
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*
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* Caution: Strips HTML-encoding for the preview.
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*
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* @deprecated 3.1 Use custom javascript with a ReadonlyField.
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*
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* @package forms
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* @subpackage fields-dataless
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*/
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class ToggleField extends ReadonlyField {
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/**
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* Text shown as a link to see the full content of the field.
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*
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* @var string
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*/
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public $labelMore;
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/**
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* Text shown as a link to see the partial view of the field content.
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*
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* @var string
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*/
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public $labelLess;
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/**
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* Method to use when truncating this field's value (FirstSentence|FirstParagraph).
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*
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* @see Text
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*
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* @var string
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*/
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public $truncateMethod = 'FirstSentence';
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/**
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* Number of characters to truncate this field's value to.
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*
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* @var null|int
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*/
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public $truncateChars;
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/**
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* @var null|int
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*/
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public $charNum;
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/**
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* @var bool
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*/
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public $startClosed;
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/**
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* @inheritdoc
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*
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* @param string $name
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* @param string $title
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* @param string $value
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*/
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public function __construct($name, $title = '', $value = '') {
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Deprecation::notice('4.0', 'Use custom javascript with a ReadOnlyField');
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$this->labelMore = _t('ToggleField.MORE', 'more');
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$this->labelLess = _t('ToggleField.LESS', 'less');
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$this->startClosed(true);
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parent::__construct($name, $title, $value);
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}
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/**
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* @inheritdoc
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*
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* @param array $properties
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*
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* @return string|HTMLText
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*/
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public function Field($properties = array()) {
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Requirements::javascript(FRAMEWORK_DIR . '/thirdparty/jquery/jquery.js');
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Requirements::javascript(FRAMEWORK_DIR . '/javascript/ToggleField.js');
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if($this->startClosed) {
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$this->addExtraClass('startClosed');
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}
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$valueForInput = '';
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if($this->value) {
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$valueForInput = Convert::raw2att($this->value);
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}
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$rawInput = Convert::html2raw($valueForInput);
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if($this->charNum) {
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$reducedValue = substr($rawInput, 0, $this->charNum);
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} else {
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$reducedValue = DBField::create_field('Text', $rawInput)->{$this->truncateMethod}();
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}
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// only create toggle field if the truncated content is shorter
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if(strlen($reducedValue) < strlen($rawInput)) {
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$content = <<<HTML
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<div class="readonly typography contentLess" style="display: none">
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$reducedValue
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<a href="#" class="triggerMore">$this->labelMore</a>
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</div>
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<div class="readonly typography contentMore">
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$this->value
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<a href="#" class="triggerLess">$this->labelLess</a>
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</div>
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<br />
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<input type="hidden" name="$this->name" value="$valueForInput" />
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HTML;
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} else {
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$this->dontEscape = true;
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$content = parent::Field();
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}
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return $content;
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}
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/**
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* Determines if the field should render open or closed by default.
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*
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* @param bool $bool
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*/
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public function startClosed($bool) {
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if($bool) {
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$this->addExtraClass('startClosed');
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} else {
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$this->removeExtraClass('startClosed');
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}
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}
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/**
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* @inheritdoc
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*
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* @return string
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*/
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public function Type() {
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return "toggleField";
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}
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}
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