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<?php
/**
* DDEditor Class File
*
* @author Joachim Werner <joachim.werner@diggin-data.de>
* @link http://www.diggin-data.de
*/
/**
* DDEditor creates a textarea editor for Markdown syntax
* The editor has some buttons to replace selected text in a textarea
* with common Mardown syntax
*
* @author Joachim Werner <joachim.werner@diggin-data.de>
* @version 0.4
*/
class DDEditor extends CWidget
{
// {{{ Members
/**
* model - The model upon which the activeTextarea control is based on
*
* @var mixed
* @access public
*/
public $model;
/**
* The attribute name for which the activeTextarea control shall be created
* @var mixed
* @access public
*/
public $attribute;
/**
* Array of additional HTML options for the textarea control
*
* @var array
* @access public
*/
public $htmlOptions=array();
public $additionalSnippets = array();
/**
* Request which returns via AJAX the rendered preview for the Markdown text
*
* @var mixed
* @access public
*/
public $previewRequest;
/**
* The ID of the activeTextarea
*
* @var mixed
* @access private
*/
private $editorId;
// }}}
// {{{ run
/**
* Runs the widget
*
* @access public
* @return void
*/
public function run()
{
$this->registerClientScripts();
echo $this->createMarkup();
} // }}}
// {{{ createMarkup
/**
* Creates the widget's markup
*
* @access public
* @return void
*/
public function createMarkup()
{
if(!isset($this->htmlOptions['rows'])) {
$attribute = $this->attribute;
$text = $this->model->$attribute;
if (strpos($text, "\n") === FALSE) {
//MAC?!
$text = str_replace( "\r", "\n", $text );
} else {
//Windows has \r\n
$text = str_replace( "\r", '', $text );
}
$this->htmlOptions['rows'] = count(explode("\n", $text));
}
$this->render(
'editor',
array(
'model'=>$this->model,
'attribute'=>$this->attribute,
'htmlOptions'=>$this->htmlOptions,
'editorId' => $this->editorId,
'additionalSnippets'=>$this->additionalSnippets,
)
);
} // }}}
// {{{ registerClientScripts
/**
* Registers the clientside widget files (css & js)
*/
private function registerClientScripts() {
// Get the resources path
$resources = dirname(__FILE__).'/resources';
$cs = Yii::app()->clientScript;
// publish the files
$baseUrl = Yii::app()->assetManager->publish($resources);
// register the files
// Stylesheet
if(is_file($resources.'/styles.css')) {
$cs->registerCssFile($baseUrl.'/styles.css');
}
if(is_file($resources.'/editor.js')) {
$cs->registerScriptFile($baseUrl.'/editor.js');
}
self::resolveNameID($this->model,$this->attribute,$this->htmlOptions);
$this->editorId = $this->htmlOptions['id'];
$c=1;
// Create preview request URL
$url = Yii::app()->urlManager->createUrl($this->previewRequest,array('attribute'=>$this->attribute));
$scriptId = uniqid('ed_').'_';
// Bold
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-bold').click(function(){insertTags('".$this->editorId."','**','**','bold ')});");
// Italic
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-italic').click(function(){insertTags('".$this->editorId."','_','_','italic ')});");
// Headings
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-h').change(function(){insertTags('".$this->editorId."',padText('#',this.value)+' ',' '+padText('#',this.value),'Heading '+this.value)});");
// Link
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-link').click(function(){insertTags('".$this->editorId."','[','](http://...)','Link Description')});");
// Image
// $cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-img').click(function(){insertTags('".$this->editorId."','![Alt Text](',' \"Title\")','Image URL')});");
// Image 2
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-img2').change(function(){insertTags('".$this->editorId."',this.value+'[Heading/Alt Text](',' \"Title\")','path/to/image.jpg')});");
// List Item
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-li').click(function(){insertTags('".$this->editorId."','* ','','List Item ')});");
// HR
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-hr').click(function(){insertTags('".$this->editorId."','****bslashN','','')});");
// Table
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-table').click(function(){insertTags('".$this->editorId."','| Header | Header |bslashN| ------ | ------ | bslashN| ',' | Cell |bslashN','Cell')});");
// Code
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-code').click(function(){insertTags('".$this->editorId."','`','`','sample code')});");
// Code2
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-code2').click(function(){if(this.value=='') return;insertTags('".$this->editorId."','~~~~bslashN['+this.value+']bslashN','bslashN~~~~bslashN','// Sample Ccode')});");
// Add Lines
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-addlines').click(function(){jQuery('#".$this->editorId."').attr('rows',jQuery('#".$this->editorId."').attr('rows')+5);});");
// Remove Lines
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-remlines').click(function(){jQuery('#".$this->editorId."').attr('rows',jQuery('#".$this->editorId."').attr('rows')-5);});");
// Preview
$cs->registerScript($scriptId.$c++,"jQuery('#".$this->editorId."-editor-preview').click(function(){jQuery('#".$this->editorId."').toggle();jQuery('#".$this->editorId."-preview').toggle();jQuery.ajax({type:'POST',url: '".$url."',data: jQuery(':parent form').serialize(),success:function(data){jQuery('#".$this->editorId."-preview').html(data);}});});");
// Additional Snippets
if(sizeof($this->additionalSnippets)>0) {
$n=0;
foreach($this->additionalSnippets as $name=>$additionalSnippet) {
$ddId = $this->editorId."-editor-addS-".$n;
$cs->registerScript($scriptId.$c++,"jQuery('#".$ddId."').change(function(){insertTags('".$this->editorId."','','',this.value);this.selectedIndex=0;});");
$n++;
}
}
} // }}}
// {{{ resolveNameID
/**
* Generates input name and ID for a model attribute.
* This method will update the HTML options by setting appropriate 'name' and 'id' attributes.
* This method may also modify the attribute name if the name
* contains square brackets (mainly used in tabular input).
* @param CModel the data model
* @param string the attribute
* @param array the HTML options
*/
public static function resolveNameID($model,&$attribute,&$htmlOptions)
{
if(!isset($htmlOptions['name']))
$htmlOptions['name']=self::resolveName($model,$attribute);
if(!isset($htmlOptions['id']))
$htmlOptions['id']=self::getIdByName($htmlOptions['name']);
else if($htmlOptions['id']===false)
unset($htmlOptions['id']);
} // }}}
// {{{ getIdByName
/**
* Generates a valid HTML ID based the name.
* @return string the ID generated based on name.
*/
public static function getIdByName($name)
{
return str_replace(array('[]', '][', '[', ']'), array('', '_', '_', ''), $name);
} // }}}
// {{{ resolveName
/**
* Generates input name for a model attribute.
* Note, the attribute name may be modified after calling this method if the name
* contains square brackets (mainly used in tabular input) before the real attribute name.
* @param CModel the data model
* @param string the attribute
* @return string the input name
* @since 1.0.2
*/
public static function resolveName($model,&$attribute)
{
if(($pos=strpos($attribute,'['))!==false)
{
if($pos!==0) // e.g. name[a][b]
return get_class($model).'['.substr($attribute,0,$pos).']'.substr($attribute,$pos);
if(($pos=strrpos($attribute,']'))!==false && $pos!==strlen($attribute)-1) // e.g. [a][b]name
{
$sub=substr($attribute,0,$pos+1);
$attribute=substr($attribute,$pos+1);
return get_class($model).$sub.'['.$attribute.']';
}
if(preg_match('/\](\w+\[.*)$/',$attribute,$matches))
{
$name=get_class($model).'['.str_replace(']','][',trim(strtr($attribute,array(']['=>']','['=>']')),']')).']';
$attribute=$matches[1];
return $name;
}
}
else
return get_class($model).'['.$attribute.']';
} // }}}
}
/* vim: set ai sw=4 sts=4 et fdm=marker fdc=4: */
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