mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
de2832e65f
This allows DataList::create('SiteTree') as equivalent to Object::create('DataList', 'SiteTree'), without
having to have a create() function on DataList. Required for E_STRICT compliance.
100 lines
2.7 KiB
PHP
100 lines
2.7 KiB
PHP
<?php
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/**
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* ReadonlyField with added toggle-capabilities - will preview the first sentence of the contained text-value,
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* 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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* @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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* @var $labelMore string Text shown as a link to see the full content of the field
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*/
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public $labelMore;
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/**
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* @var $labelLess string Text shown as a link to see the partial view of the field content
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*/
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public $labelLess;
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/**
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* @see Text
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* @var $truncateMethod string (FirstSentence|FirstParagraph)
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*/
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public $truncateMethod = 'FirstSentence';
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/**
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* @var $truncateChars int Number of chars to preview (optional).
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* Truncating will be applied with $truncateMethod by default.
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*/
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public $truncateChars;
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/**
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* @param name The field name
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* @param title The field title
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* @param value The current value
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*/
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function __construct($name, $title = "", $value = "") {
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$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, $value);
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}
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function Field() {
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$content = '';
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Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/prototype/prototype.js");
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Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/behaviour/behaviour.js");
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Requirements::javascript(SAPPHIRE_DIR . "/javascript/ToggleField.js");
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if($this->startClosed) $this->addExtraClass('startClosed');
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$valforInput = $this->value ? Convert::raw2att($this->value) : "";
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$rawInput = Convert::html2raw($valforInput);
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if($this->charNum) $reducedVal = substr($rawInput,0,$this->charNum);
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else $reducedVal = DBField::create_field('Text',$rawInput)->{$this->truncateMethod}();
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// only create togglefield if the truncated content is shorter
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if(strlen($reducedVal) < strlen($rawInput)) {
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$content = <<<HTML
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<div class="readonly typography contentLess" style="display: none">
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$reducedVal
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<a href="#" class="triggerMore">$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="$this->name" value="$valforInput" />
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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 $content;
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}
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/**
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* Determines if the field should render open or closed by default.
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*
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* @param boolean
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*/
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public function startClosed($bool) {
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($bool) ? $this->addExtraClass('startClosed') : $this->removeExtraClass('startClosed');
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}
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function Type() {
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return "toggleField";
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}
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}
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