mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
60 lines
2.1 KiB
PHP
60 lines
2.1 KiB
PHP
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<?php
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/**
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* A field that shows only a part of its contents.
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* Using the 'more' and 'less' links you can switch to the complete or to the partial text, respectively
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*/
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class MoreLessField extends ReadonlyField {
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protected $moreText;
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protected $lessText;
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protected $charNum;
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/**
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* Creates a new More/Less field.
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* @param name The field name
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* @param title The field title
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* @param value The current value
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* @param moreText Text shown as a link to see the full content of the field
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* @param lessText Text shown as a link to see the partial view of the field content
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* @param chars Number of chars to preview. If zero it'll show the first line or sentence.
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*/
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function __construct($name, $title = "", $value = "", $moreText = 'more', $lessText = 'less', $chars = 0) {
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$this->moreText = $moreText;
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$this->lessText = $lessText;
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$this->charNum = $chars;
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parent::__construct($name, $title, $value);
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}
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function Field() {
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$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 $reducedVal = ereg_replace('([^\.]\.)[[:space:]].*','\\1',$rawInput);
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if (strlen($reducedVal) < strlen($rawInput)) {
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return <<<HTML
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<div class="readonly typography" id="{$this->id()}_reduced" style="display: inline;">$reducedVal
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<a onclick="\$('{$this->id()}_reduced').style.display='none'; \$('{$this->id()}').style.display='inline'; return false;" href="#"> $this->moreText</a>
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</div>
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<div class="readonly typography" id="{$this->id()}" style="display: none;">$this->value
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<a onclick="\$('{$this->id()}').style.display='none'; \$('{$this->id()}_reduced').style.display='inline'; return false;" href="#"> $this->lessText</a>
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</div>
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<br /><input type="hidden" name="$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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return parent::Field();
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}
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}
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function setMoreText($moreText) {
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$this->moreText = $moreText;
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}
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function setLessText($lessText) {
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$this->lessText = $lessText;
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}
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}
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?>
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