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bfojcapell: Added new field type MoreLessField?

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@42108 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2007-09-16 16:02:26 +00:00
parent c294d023af
commit 9e7eeece04
1 changed files with 60 additions and 0 deletions
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60
forms/MoreLessField.php Executable file
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@ -0,0 +1,60 @@
<?php
/**
* A field that shows only a part of its contents.
* Using the 'more' and 'less' links you can switch to the complete or to the partial text, respectively
*/
class MoreLessField extends ReadonlyField {
protected $moreText;
protected $lessText;
protected $charNum;
/**
* Creates a new More/Less field.
* @param name The field name
* @param title The field title
* @param value The current value
* @param moreText Text shown as a link to see the full content of the field
* @param lessText Text shown as a link to see the partial view of the field content
* @param chars Number of chars to preview. If zero it'll show the first line or sentence.
*/
function __construct($name, $title = "", $value = "", $moreText = 'more', $lessText = 'less', $chars = 0) {
$this->moreText = $moreText;
$this->lessText = $lessText;
$this->charNum = $chars;
parent::__construct($name, $title, $value);
}
function Field() {
$valforInput = $this->value ? Convert::raw2att($this->value) : "";
$rawInput = Convert::html2raw($valforInput);
if ($this->charNum) $reducedVal = substr($rawInput,0,$this->charNum);
else $reducedVal = ereg_replace('([^\.]\.)[[:space:]].*','\\1',$rawInput);
if (strlen($reducedVal) < strlen($rawInput)) {
return <<<HTML
<div class="readonly typography" id="{$this->id()}_reduced" style="display: inline;">$reducedVal
<a onclick="\$('{$this->id()}_reduced').style.display='none'; \$('{$this->id()}').style.display='inline'; return false;" href="#"> $this->moreText</a>
</div>
<div class="readonly typography" id="{$this->id()}" style="display: none;">$this->value
<a onclick="\$('{$this->id()}').style.display='none'; \$('{$this->id()}_reduced').style.display='inline'; return false;" href="#"> $this->lessText</a>
</div>
<br /><input type="hidden" name="$this->name" value="$valforInput" />
HTML;
} else {
$this->dontEscape = true;
return parent::Field();
}
}
function setMoreText($moreText) {
$this->moreText = $moreText;
}
function setLessText($lessText) {
$this->lessText = $lessText;
}
}
?>