1: <?php
  2: /**
  3:  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
  4:  * Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
  5:  *
  6:  * Licensed under The MIT License
  7:  * Redistributions of files must retain the above copyright notice.
  8:  *
  9:  * @copyright     Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
 10:  * @link          http://cakephp.org CakePHP(tm) Project
 11:  * @package       Cake.View.Helper
 12:  * @since         CakePHP(tm) v 1.3
 13:  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
 14:  */
 15: 
 16: App::uses('JsBaseEngineHelper', 'View/Helper');
 17: 
 18: /**
 19:  * MooTools Engine Helper for JsHelper
 20:  *
 21:  * Provides MooTools specific Javascript for JsHelper.
 22:  * Assumes that you have the following MooTools packages
 23:  *
 24:  * - Remote, Remote.HTML, Remote.JSON
 25:  * - Fx, Fx.Tween, Fx.Morph
 26:  * - Selectors, DomReady,
 27:  * - Drag, Drag.Move
 28:  *
 29:  * @package       Cake.View.Helper
 30:  */
 31: class MootoolsEngineHelper extends JsBaseEngineHelper {
 32: 
 33: /**
 34:  * Option mappings for MooTools
 35:  *
 36:  * @var array
 37:  */
 38:     protected $_optionMap = array(
 39:         'request' => array(
 40:             'complete' => 'onComplete',
 41:             'success' => 'onSuccess',
 42:             'before' => 'onRequest',
 43:             'error' => 'onFailure'
 44:         ),
 45:         'sortable' => array(
 46:             'distance' => 'snap',
 47:             'containment' => 'constrain',
 48:             'sort' => 'onSort',
 49:             'complete' => 'onComplete',
 50:             'start' => 'onStart',
 51:         ),
 52:         'drag' => array(
 53:             'snapGrid' => 'snap',
 54:             'start' => 'onStart',
 55:             'drag' => 'onDrag',
 56:             'stop' => 'onComplete',
 57:         ),
 58:         'drop' => array(
 59:             'drop' => 'onDrop',
 60:             'hover' => 'onEnter',
 61:             'leave' => 'onLeave',
 62:         ),
 63:         'slider' => array(
 64:             'complete' => 'onComplete',
 65:             'change' => 'onChange',
 66:             'direction' => 'mode',
 67:             'step' => 'steps'
 68:         )
 69:     );
 70: 
 71: /**
 72:  * Contains a list of callback names -> default arguments.
 73:  *
 74:  * @var array
 75:  */
 76:     protected $_callbackArguments = array(
 77:         'slider' => array(
 78:             'onTick' => 'position',
 79:             'onChange' => 'step',
 80:             'onComplete' => 'event'
 81:         ),
 82:         'request' => array(
 83:             'onRequest' => '',
 84:             'onComplete' => '',
 85:             'onCancel' => '',
 86:             'onSuccess' => 'responseText, responseXML',
 87:             'onFailure' => 'xhr',
 88:             'onException' => 'headerName, value',
 89:         ),
 90:         'drag' => array(
 91:             'onBeforeStart' => 'element',
 92:             'onStart' => 'element',
 93:             'onSnap' => 'element',
 94:             'onDrag' => 'element, event',
 95:             'onComplete' => 'element, event',
 96:             'onCancel' => 'element',
 97:         ),
 98:         'drop' => array(
 99:             'onBeforeStart' => 'element',
100:             'onStart' => 'element',
101:             'onSnap' => 'element',
102:             'onDrag' => 'element, event',
103:             'onComplete' => 'element, event',
104:             'onCancel' => 'element',
105:             'onDrop' => 'element, droppable, event',
106:             'onLeave' => 'element, droppable',
107:             'onEnter' => 'element, droppable',
108:         ),
109:         'sortable' => array(
110:             'onStart' => 'element, clone',
111:             'onSort' => 'element, clone',
112:             'onComplete' => 'element',
113:         )
114:     );
115: 
116: /**
117:  * Create javascript selector for a CSS rule
118:  *
119:  * @param string $selector The selector that is targeted
120:  * @return MootoolsEngineHelper instance of $this. Allows chained methods.
121:  */
122:     public function get($selector) {
123:         $this->_multipleSelection = false;
124:         if ($selector == 'window' || $selector == 'document') {
125:             $this->selection = "$(" . $selector . ")";
126:             return $this;
127:         }
128:         if (preg_match('/^#[^\s.]+$/', $selector)) {
129:             $this->selection = '$("' . substr($selector, 1) . '")';
130:             return $this;
131:         }
132:         $this->_multipleSelection = true;
133:         $this->selection = '$$("' . $selector . '")';
134:         return $this;
135:     }
136: 
137: /**
138:  * Add an event to the script cache. Operates on the currently selected elements.
139:  *
140:  * ### Options
141:  *
142:  * - 'wrap' - Whether you want the callback wrapped in an anonymous function. (defaults true)
143:  * - 'stop' - Whether you want the event to stopped. (defaults true)
144:  *
145:  * @param string $type Type of event to bind to the current dom id
146:  * @param string $callback The Javascript function you wish to trigger or the function literal
147:  * @param array $options Options for the event.
148:  * @return string completed event handler
149:  */
150:     public function event($type, $callback, $options = array()) {
151:         $defaults = array('wrap' => true, 'stop' => true);
152:         $options = array_merge($defaults, $options);
153: 
154:         $function = 'function (event) {%s}';
155:         if ($options['wrap'] && $options['stop']) {
156:             $callback = "event.stop();\n" . $callback;
157:         }
158:         if ($options['wrap']) {
159:             $callback = sprintf($function, $callback);
160:         }
161:         $out = $this->selection . ".addEvent(\"{$type}\", $callback);";
162:         return $out;
163:     }
164: 
165: /**
166:  * Create a domReady event. This is a special event in many libraries
167:  *
168:  * @param string $functionBody The code to run on domReady
169:  * @return string completed domReady method
170:  */
171:     public function domReady($functionBody) {
172:         $this->selection = 'window';
173:         return $this->event('domready', $functionBody, array('stop' => false));
174:     }
175: 
176: /**
177:  * Create an iteration over the current selection result.
178:  *
179:  * @param string $callback The function body you wish to apply during the iteration.
180:  * @return string completed iteration
181:  */
182:     public function each($callback) {
183:         return $this->selection . '.each(function (item, index) {' . $callback . '});';
184:     }
185: 
186: /**
187:  * Trigger an Effect.
188:  *
189:  * @param string $name The name of the effect to trigger.
190:  * @param array $options Array of options for the effect.
191:  * @return string completed string with effect.
192:  * @see JsBaseEngineHelper::effect()
193:  */
194:     public function effect($name, $options = array()) {
195:         $speed = null;
196:         if (isset($options['speed']) && in_array($options['speed'], array('fast', 'slow'))) {
197:             if ($options['speed'] == 'fast') {
198:                 $speed = '"short"';
199:             } elseif ($options['speed'] == 'slow') {
200:                 $speed = '"long"';
201:             }
202:         }
203:         $effect = '';
204:         switch ($name) {
205:             case 'hide':
206:                 $effect = 'setStyle("display", "none")';
207:             break;
208:             case 'show':
209:                 $effect = 'setStyle("display", "")';
210:             break;
211:             case 'fadeIn':
212:             case 'fadeOut':
213:             case 'slideIn':
214:             case 'slideOut':
215:                 list($effectName, $direction) = preg_split('/([A-Z][a-z]+)/', $name, -1, PREG_SPLIT_DELIM_CAPTURE);
216:                 $direction = strtolower($direction);
217:                 if ($speed) {
218:                     $effect .= "set(\"$effectName\", {duration:$speed}).";
219:                 }
220:                 $effect .= "$effectName(\"$direction\")";
221:             break;
222:         }
223:         return $this->selection . '.' . $effect . ';';
224:     }
225: 
226: /**
227:  * Create an new Request.
228:  *
229:  * Requires `Request`.  If you wish to use 'update' key you must have ```Request.HTML```
230:  * if you wish to do Json requests you will need ```JSON``` and ```Request.JSON```.
231:  *
232:  * @param mixed $url
233:  * @param array $options
234:  * @return string The completed ajax call.
235:  */
236:     public function request($url, $options = array()) {
237:         $url = $this->url($url);
238:         $options = $this->_mapOptions('request', $options);
239:         $type = $data = null;
240:         if (isset($options['type']) || isset($options['update'])) {
241:             if (isset($options['type']) && strtolower($options['type']) == 'json') {
242:                 $type = '.JSON';
243:             }
244:             if (isset($options['update'])) {
245:                 $options['update'] = str_replace('#', '', $options['update']);
246:                 $type = '.HTML';
247:             }
248:             unset($options['type']);
249:         }
250:         if (!empty($options['data'])) {
251:             $data = $options['data'];
252:             unset($options['data']);
253:         }
254:         $options['url'] = $url;
255:         $options = $this->_prepareCallbacks('request', $options);
256:         if (!empty($options['dataExpression'])) {
257:             $callbacks[] = 'data';
258:             unset($options['dataExpression']);
259:         } elseif (!empty($data)) {
260:             $data = $this->object($data);
261:         }
262:         $options = $this->_parseOptions($options, array_keys($this->_callbackArguments['request']));
263:         return "var jsRequest = new Request$type({{$options}}).send($data);";
264:     }
265: 
266: /**
267:  * Create a sortable element.
268:  *
269:  * Requires the `Sortables` plugin from MootoolsMore
270:  *
271:  * @param array $options Array of options for the sortable.
272:  * @return string Completed sortable script.
273:  * @see JsBaseEngineHelper::sortable() for options list.
274:  */
275:     public function sortable($options = array()) {
276:         $options = $this->_processOptions('sortable', $options);
277:         return 'var jsSortable = new Sortables(' . $this->selection . ', {' . $options . '});';
278:     }
279: 
280: /**
281:  * Create a Draggable element.
282:  *
283:  * Requires the `Drag` plugin from MootoolsMore
284:  *
285:  * @param array $options Array of options for the draggable.
286:  * @return string Completed draggable script.
287:  * @see JsHelper::drag() for options list.
288:  */
289:     public function drag($options = array()) {
290:         $options = $this->_processOptions('drag', $options);
291:         return $this->selection . '.makeDraggable({' . $options . '});';
292:     }
293: 
294: /**
295:  * Create a Droppable element.
296:  *
297:  * Requires the `Drag` and `Drag.Move` plugins from MootoolsMore
298:  *
299:  * Droppables in Mootools function differently from other libraries.  Droppables
300:  * are implemented as an extension of Drag.  So in addition to making a get() selection for
301:  * the droppable element. You must also provide a selector rule to the draggable element. Furthermore,
302:  * Mootools droppables inherit all options from Drag.
303:  *
304:  * @param array $options Array of options for the droppable.
305:  * @return string Completed droppable script.
306:  * @see JsBaseEngineHelper::drop() for options list.
307:  */
308:     public function drop($options = array()) {
309:         if (empty($options['drag'])) {
310:             trigger_error(
311:                 __d('cake_dev', 'MootoolsEngine::drop() requires a "drag" option to properly function'), E_USER_WARNING
312:             );
313:             return false;
314:         }
315:         $options['droppables'] = $this->selection;
316: 
317:         $this->get($options['drag']);
318:         unset($options['drag']);
319: 
320:         $options = $this->_mapOptions('drag', $this->_mapOptions('drop', $options));
321:         $options = $this->_prepareCallbacks('drop', $options);
322:         $safe = array_merge(array_keys($this->_callbackArguments['drop']), array('droppables'));
323:         $optionString = $this->_parseOptions($options, $safe);
324:         $out = $this->selection . '.makeDraggable({' . $optionString . '});';
325:         $this->selection = $options['droppables'];
326:         return $out;
327:     }
328: 
329: /**
330:  * Create a slider control
331:  *
332:  * Requires `Slider` from MootoolsMore
333:  *
334:  * @param array $options Array of options for the slider.
335:  * @return string Completed slider script.
336:  * @see JsBaseEngineHelper::slider() for options list.
337:  */
338:     public function slider($options = array()) {
339:         $slider = $this->selection;
340:         $this->get($options['handle']);
341:         unset($options['handle']);
342: 
343:         if (isset($options['min']) && isset($options['max'])) {
344:             $options['range'] = array($options['min'], $options['max']);
345:             unset($options['min'], $options['max']);
346:         }
347:         $optionString = $this->_processOptions('slider', $options);
348:         if (!empty($optionString)) {
349:             $optionString = ', {' . $optionString . '}';
350:         }
351:         $out = 'var jsSlider = new Slider(' . $slider . ', ' . $this->selection . $optionString . ');';
352:         $this->selection = $slider;
353:         return $out;
354:     }
355: 
356: /**
357:  * Serialize the form attached to $selector.
358:  *
359:  * @param array $options Array of options.
360:  * @return string Completed serializeForm() snippet
361:  * @see JsBaseEngineHelper::serializeForm()
362:  */
363:     public function serializeForm($options = array()) {
364:         $options = array_merge(array('isForm' => false, 'inline' => false), $options);
365:         $selection = $this->selection;
366:         if (!$options['isForm']) {
367:             $selection = '$(' . $this->selection . '.form)';
368:         }
369:         $method = '.toQueryString()';
370:         if (!$options['inline']) {
371:             $method .= ';';
372:         }
373:         return $selection . $method;
374:     }
375: 
376: }
377: