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+<?php
+/**
+ * THtmlArea class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $ $Date: $
+ * @package System.Web.UI
+ */
+
+/**
+ * THtmlArea class
+ *
+ * THtmlArea wraps the visual editting functionalities provided by the
+ * TinyMCE project {@link http://tinymce.moxiecode.com/}.
+ *
+ * THtmlArea displays a WYSIWYG text area on the Web page for user input
+ * in the HTML format. The text displayed in the THtmlArea component is
+ * specified or determined by using the <b>Text</b> property.
+ *
+ * To enable the visual editting on the client side, set the property
+ * <b>EnableVisualEdit</b> to true (which is default value).
+ * To set the size of the editor when the visual editting is enabled,
+ * set the <b>Width</b> and <b>Height</b> properties instead of
+ * <b>Columns</b> and <b>Rows</b> because the latter has no meaning
+ * under the situation.
+ *
+ * The default editor gives only the basic tool bar. To change or add
+ * additional tool bars, use the Options property add to additional
+ * editor options with each options on a new line.
+ * See http://tinymce.moxiecode.com/tinymce/docs/index.html
+ * for a list of options. The options can be change/added as shown in the
+ * following example.
+ * <code>
+ * <com:THtmlArea>
+ * <prop:Options>
+ * plugins : "contextmenu,paste"
+ * language : "zh_CN"
+ * </prop:Options>
+ * </com:THtmlArea>
+ * </code>
+ *
+ * Compatibility
+ * The client-side visual editting capability is supported by
+ * Internet Explorer 5.0+ for Windows and Gecko-based browser.
+ * If the browser does not support the visual editting,
+ * a traditional textarea will be displayed.
+ *
+ * Browser support
+ *
+ * <code>
+ * Windows XP MacOS X 10.4
+ * ----------------------------------------------------
+ * MSIE 6 OK
+ * MSIE 5.5 SP2 OK
+ * MSIE 5.0 OK
+ * Mozilla 1.7.x OK OK
+ * Firefox 1.0.x OK OK
+ * Firefox 1.5b2 OK OK
+ * Safari 2.0 (412) OK(1)
+ * Opera 9 Preview 1 OK(1) OK(1)
+ * ----------------------------------------------------
+ * * (1) - Partialy working
+ * ----------------------------------------------------
+ * </code>
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: $ $Date: $
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class THtmlArea extends TTextBox
+{
+ /**
+ * Overrides the parent implementation.
+ * TextMode for THtmlArea control is always 'MultiLine'
+ * @return string the behavior mode of the THtmlArea component.
+ */
+ public function getTextMode()
+ {
+ return 'MultiLine';
+ }
+
+ /**
+ * Overrides the parent implementation.
+ * TextMode for THtmlArea is always 'MultiLine' and cannot be changed to others.
+ * @param string the text mode
+ */
+ public function setTextMode($value)
+ {
+ throw new TInvalidOperationException("You cannot set 'TextMode' property.");
+ }
+
+ /**
+ * Overrides the parent implementation. Return always false if EnableVisualEdit
+ * is false, otherwise normal settings are returned.
+ * @return boolean false
+ */
+ public function getAutoPostBack()
+ {
+ if(!$this->getEnableVisualEdit())
+ return false;
+ return parent::getAutoPostBack();
+ }
+
+ /**
+ * @return boolean whether to show WYSIWYG text editor
+ */
+ public function getEnableVisualEdit()
+ {
+ return $this->getViewState('VisualEditEnabled',true);
+ }
+
+ /**
+ * Sets whether to show WYSIWYG text editor.
+ * @param boolean whether to show WYSIWYG text editor
+ */
+ public function setEnableVisualEdit($value)
+ {
+ $this->setViewState('VisualEditEnabled',TPropertyValue::ensureBoolean($value),true);
+ }
+
+ /**
+ * Gets the current culture.
+ * @return string current culture, e.g. en_AU.
+ */
+ public function getCulture()
+ {
+ return $this->getViewState('Culture', '');
+ }
+
+ /**
+ * Sets the culture/language for the date picker.
+ * @param string a culture string, e.g. en_AU.
+ */
+ public function setCulture($value)
+ {
+ $this->setViewState('Culture', $value, '');
+ }
+
+ /**
+ * Gets the list of options for the WYSIWYG (TinyMCE) editor
+ * @see http://tinymce.moxiecode.com/tinymce/docs/index.html
+ * @return string options
+ */
+ public function getOptions()
+ {
+ return $this->getViewState('Options', '');
+ }
+
+ /**
+ * Sets the list of options for the WYSIWYG (TinyMCE) editor
+ * @see http://tinymce.moxiecode.com/tinymce/docs/index.html
+ * @param string options
+ */
+ public function setOptions($value)
+ {
+ $this->setViewState('Options', $value, '');
+ }
+
+ /**
+ * Overrides parent implement, provide default width of '450px'.
+ * @param string editor width (CSS)
+ */
+ public function setWidth($value)
+ {
+ $this->setViewState('Width', $value, '450px');
+ }
+
+ /**
+ * @param string editor width, default '450px'.
+ */
+ public function getWidth()
+ {
+ return $this->getViewState('Width', '450px');
+ }
+
+ /**
+ * @param string editor height, default '200px'.
+ */
+ public function getHeight()
+ {
+ return $this->getViewState('Height', '200px');
+ }
+
+ /**
+ * Overrides parent implement, provide default height of '200px'.
+ * @param string editor height (CSS)
+ */
+ public function setHeight($value)
+ {
+ $this->setViewState('Height', $value, '200px');
+ }
+
+ /**
+ * Adds attribute name-value pairs to renderer.
+ * This method overrides the parent implementation by registering
+ * additional javacript code.
+ * @param THtmlWriter the writer used for the rendering purpose
+ */
+ protected function addAttributesToRender($writer)
+ {
+ if($this->getEnableVisualEdit())
+ {
+ $writer->addAttribute('id',$this->getClientID());
+ if(($width=$this->getWidth()) != '')
+ $this->getStyle()->setWidth($width);
+ if(($height=$this->getHeight()) != '')
+ $this->getStyle()->setHeight($height);
+
+ $this->registerEditorClientScript($writer);
+ }
+ parent::addAttributesToRender($writer);
+ }
+
+ /**
+ * Registers the editor javascript file and code to initialize the editor.
+ */
+ protected function registerEditorClientScript($writer)
+ {
+ $scripts = $this->getPage()->getClientScript();
+ if(!$scripts->isScriptFileRegistered('prado:THtmlArea'))
+ $scripts->registerScriptFile('prado:THtmlArea', $this->getScriptUrl());
+ $serializer = new TJavascriptSerializer($this->getEditorOptions());
+ $options = $serializer->toJavascript(true);
+ $script = "if(tinyMCE){ tinyMCE.init($options); }";
+ $scripts->registerEndScript('THtmlArea'.$this->ClientID,$script);
+ }
+
+ /**
+ * @return string editor script URL.
+ */
+ protected function getScriptUrl()
+ {
+ return $this->getScriptDeploymentPath().'/tiny_mce/tiny_mce_gzip.php';
+ }
+
+ /**
+ * Gets the editor script base URL by publishing the tarred source via TTarAssetManager.
+ * @return string URL base path to the published editor script
+ */
+ protected function getScriptDeploymentPath()
+ {
+ $manager = Prado::createComponent('System.Web.UI.TTarAssetManager');
+ $manager->init(null);
+ $tarfile = Prado::getPathOfNamespace('System.3rdParty.TinyMCE.tiny_mce', '.tar');
+ $md5sum = Prado::getPathOfNamespace('System.3rdParty.TinyMCE.tiny_mce', '.md5');
+ return $manager->publishTarFile($tarfile, $md5sum);
+ }
+
+ /**
+ * Default editor options gives basic tool bar only.
+ * @return array editor initialization options.
+ */
+ protected function getEditorOptions()
+ {
+ $options['mode'] = 'exact';
+ $options['elements'] = $this->getClientID();
+ $options['language'] = $this->getLanguageSuffix($this->getCulture());
+ $options['theme'] = 'advanced';
+ $options['theme_advanced_buttons1'] = 'bold,italic,underline,strikethrough,separator,justifyleft,justifycenter,justifyright, justifyfull,separator,bullist,numlist,separator,undo,redo,separator,link,unlink,separator,code,help';
+ $options['theme_advanced_buttons2'] = '';
+ $options['theme_advanced_buttons3'] = '';
+ $options['theme_advanced_toolbar_location'] = 'top';
+ $options['theme_advanced_toolbar_align'] = 'left';
+ $options['theme_advanced_path_location'] = 'bottom';
+ $options['extended_valid_elements'] = 'a[name|href|target|title|onclick],img[class|src|border=0|alt|title|hspace|vspace|width|height|align|onmouseover|onmouseout|name],hr[class|width|size|noshade],font[face|size|color|style],span[class|align|style]';
+
+ $options = array_merge($options, $this->parseEditorOptions($this->getOptions()));
+ return $options;
+ }
+
+ /**
+ * Parse additional options set in the Options property.
+ * @return array additional custom options
+ */
+ protected function parseEditorOptions($string)
+ {
+ $options = array();
+ $substrings = preg_split('/\n|,\n/', trim($string));
+ foreach($substrings as $bits)
+ {
+ $option = explode(":",$bits);
+ if(count($option) == 2)
+ $options[trim($option[0])] = trim(preg_replace('/\'|"/','', $option[1]));
+ }
+ return $options;
+ }
+
+ /**
+ * @return string localized editor interface language extension.
+ */
+ protected function getLanguageSuffix($culture)
+ {
+ if(empty($culture))
+ {
+ $app = $this->getApplication()->getGlobalization();
+ if(!is_null($app))
+ $culture = $app->Culture;
+ }
+ return empty($culture) ? 'en' : strtolower($culture);
+ }
+}
+
+?> \ No newline at end of file
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