summaryrefslogtreecommitdiff
path: root/framework/Web/UI/JuiControls/TJuiControlAdapter.php
blob: a9722a7429e19cd76315f29172abaabad6cd2b18 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
<?php
/**
 * TJuiControlAdapter class file.
 *
 * @author Fabio Bas <ctrlaltca@gmail.com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2013-2014 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @package System.Web.UI.JuiControls
 */

Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');

/**
 * TJuiControlAdapter class
 *
 * TJuiControlAdapter is the base adapter class for controls that are
 * derived from a jQuery-ui widget. It exposes convenience methods to
 * publish jQuery-UI javascript and css assets.
 *
 * @author Fabio Bas <ctrlaltca@gmail.com>
 * @package System.Web.UI.JuiControls
 * @since 3.3
 */
class TJuiControlAdapter extends TActiveControlAdapter
{
	const SCRIPT_PATH = 'jquery';
	const CSS_PATH = 'css';
	const BASE_CSS_FILENAME ='jquery-ui.css';

	/**
	 * @param string set the jquery-ui style
	 */
	public function setJuiBaseStyle($value)
	{
	   $this->getControl()->setViewState('JuiBaseStyle', $value, 'base');
	}

	/**
	 * @return string current jquery-ui style
	 */
	public function getJuiBaseStyle()
	{
	   return $this->getControl()->getViewState('JuiBaseStyle', 'base');
	}

	/**
	 * Inject jquery script and styles before render
	 */
	public function onPreRender($param)
	{
		parent::onPreRender($param);
		$this->getPage()->getClientScript()->registerPradoScript('jqueryui');
		$this->publishJuiStyle(self::BASE_CSS_FILENAME);
	}

	/**
	 * @param string jQuery asset file in the self::SCRIPT_PATH directory.
	 * @return string jQuery asset url.
	 */
	protected function getAssetUrl($file='')
	{
		$base = $this->getPage()->getClientScript()->getPradoScriptAssetUrl();
		return $base.'/'.self::SCRIPT_PATH.'/'.$file;
	}

	/**
	 * Publish the jQuery-ui style Css asset file.
	 * @param file name
	 * @return string Css file url.
	 */
	public function publishJuiStyle($file)
	{
		$url = $this->getAssetUrl(self::CSS_PATH.'/'.$this->getJuiBaseStyle().'/'.$file);
		$cs = $this->getPage()->getClientScript();
		if(!$cs->isStyleSheetFileRegistered($url))
			$cs->registerStyleSheetFile($url, $url);
		return $url;
	}

}

/**
 * IJuiOptions interface
 *
 * IJuiOptions is the interface that must be implemented by controls using
 * {@link TJuiControlOptions}.
 *
 * @author Fabio Bas <ctrlaltca@gmail.com>
 * @package System.Web.UI.JuiControls
 * @since 3.3
 */
interface IJuiOptions
{
	public function getOptions();
	public function getValidOptions();
	public function getValidEvents();
}

/**
 * TJuiControlOptions interface
 *
 * TJuiControlOptions is an helper class that can collect a list of options
 * for a control. The control must implement {@link IJuiOptions}.
 * The options are validated againg an array of valid options provided by the control itself.
 * Since component properties are case insensitive, the array of valid options is used
 * to ensure the option name has the correct case.
 * The options array can then get retrieved using {@link toArray} and applied to the jQuery-ui widget.
 * In addition to the options, this class will render the needed javascript to raise a callback
 * for any event for which an handler is defined in the control.
 *
 * @author Fabio Bas <ctrlaltca@gmail.com>
 * @package System.Web.UI.JuiControls
 * @since 3.3
 */
class TJuiControlOptions
{
	/**
	 * @var TMap map of javascript options.
	 */
	private $_options;
	/**
	 * @var TControl parent control.
	 */
	private $_control;

	public function __construct($control)
	{
		if(!$control instanceof IJuiOptions)
			throw new THttpException(500,'juioptions_control_invalid',$control->ID);
		$this->_control=$control;
	}
	/**
	 * Sets a named options with a value. Options are used to store and retrive
	 * named values for the javascript control.
	 * @param string option name.
	 * @param mixed option value.
	 * @throws THttpException
	 */
	public function __set($name,$value)
	{
		if($this->_options===null)
			$this->_options=array();

		$tmpname=strtolower($name);
		foreach($this->_control->getValidOptions() as $option)
		{
			if($tmpname == $option)
			{
				$this->_options[$option] = $value;
				return;
			}
		}

		throw new THttpException(500,'juioptions_option_invalid',$control->ID, $name);
	}

	/**
	 * Gets an option named value. Options are used to store and retrive
	 * named values for the base active controls.
	 * @param string option name.
	 * @return mixed options value or null if not set.
	 */
	public function __get($name)
	{
		if($this->_options===null)
			$this->_options=array();

		$tmpname=strtolower($name);
		if(isset($this->_options[$tmpname]))
			return $this->_options[$tmpname];

		return null;
	}

	/**
	 * @return Array of active control options
	 */
	public function toArray()
	{
		$ret= ($this->_options===null) ? $this->_options : array();

		foreach($this->_control->getValidEvents() as $event)
			if($this->_control->hasEventHandler('on'.$event))
				$ret[$event]=new TJavaScriptLiteral("function( event, ui ) { Prado.JuiCallback(".TJavascript::encode($this->_control->getUniqueID()).", ".TJavascript::encode($event).", event, ui, this); }");

		return $ret;
	}

	/**
	 * Raise the specific callback event handler of the target control.
	 * @param mixed callback parameters
	 */
	public function raiseCallbackEvent($param)
	{
		$callbackParam=$param->CallbackParameter;
		if(isset($callbackParam->event))
		{
			$eventName = 'On'.ucfirst($callbackParam->event);
			if($this->_control->hasEventHandler($eventName))
			{
				$this->_control->$eventName( new TJuiEventParameter(
					$this->_control->getResponse(),
					isset($callbackParam->ui) ? $callbackParam->ui : null)
				);
			}
		}
	}
}

/**
 * TJuiEventParameter class
 *
 * TJuiEventParameter encapsulate the parameters for callback
 * events of TJui* components.
 * Any parameter representing a control is identified by its
 * clientside ID.
 * TJuiEventParameter contains a {@link getControl} helper method
 * that retrieves an existing PRADO control on che current page from its
 * clientside ID as returned by the callback.
 * For example, if the parameter contains a "draggable" item (as returned in
 * {@link TJuiDroppable}::OnDrop event), the relative PRADO control can be
 * retrieved using:
 * <code>
 * $draggable = $param->getControl($param->getCallbackParameter()->draggable);
 * </code>
 *
 * A shortcut __get() method is implemented, too:
 * <code>
 * $draggable = $param->DraggableControl;
 * </code>
 *
 * @author Fabio Bas <ctrlaltca[at]gmail[dot]com>
 * @license http://www.pradosoft.com/license
 * @package System.Web.UI.JuiControls
 */
class TJuiEventParameter extends TCallbackEventParameter
{
 	/**
	 * getControl
	 *
	 * Compatibility method to get a control from its clientside id
	 * @return TControl control, or null if not found
 	 */
	public function getControl($id)
	{
		$control=null;
		$service=prado::getApplication()->getService();
		if ($service instanceof TPageService)
		{
			// Find the control
			// Warning, this will not work if you have a '_' in your control Id !
			$controlId=str_replace(TControl::CLIENT_ID_SEPARATOR,TControl::ID_SEPARATOR,$id);
			$control=$service->getRequestedPage()->findControl($controlId);
		}
		return $control;
	}

	/**
	 * Gets a control instance named after a returned control id.
	 * Example: if a $param->draggable control id is returned from clientside,
	 * calling $param->DraggableControl will return the control instance
	 * @return mixed control or null if not set.
	 */
	public function __get($name)
	{
		$pos=strpos($name, 'Control',1);
		$name=strtolower(substr($name, 0, $pos));

		$cp=$this->getCallbackParameter();
		if(!isset($cp->$name) || $cp->$name=='')
			return null;

		return $this->getControl($cp->$name);
	}
}