      1: <?php
      2:
      3: /**
      4:  * Button HTML custom widget
      5:  *
      6:  * @package alpha::view::widgets
      7:  * @since 1.0
      8:  * @author John Collins <dev@alphaframework.org>
      9:  * @version $Id: Button.inc 1644 2013-02-12 22:34:51Z alphadevx $
     10:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
     11:  * @copyright Copyright (c) 2012, John Collins (founder of Alpha Framework).
     12:  * All rights reserved.
     13:  *
     14:  * <pre>
     15:  * Redistribution and use in source and binary forms, with or
     16:  * without modification, are permitted provided that the
     17:  * following conditions are met:
     18:  *
     19:  * * Redistributions of source code must retain the above
     20:  *   copyright notice, this list of conditions and the
     21:  *   following disclaimer.
     22:  * * Redistributions in binary form must reproduce the above
     23:  *   copyright notice, this list of conditions and the
     24:  *   following disclaimer in the documentation and/or other
     25:  *   materials provided with the distribution.
     26:  * * Neither the name of the Alpha Framework nor the names
     27:  *   of its contributors may be used to endorse or promote
     28:  *   products derived from this software without specific
     29:  *   prior written permission.
     30:  *
     31:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
     32:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
     33:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     34:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     35:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     36:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     37:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     38:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     39:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     40:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     41:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     42:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     43:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     44:  * </pre>
     45:  *
     46:  */
     47: class Button {
     48:     /**
     49:      * The Javascript action to carry out when the button is pressed.
     50:      *
     51:      * @var string
     52:      * @since 1.0
     53:      */
     54:     private $action;
     55:
     56:     /**
     57:      * The title to display on the button.
     58:      *
     59:      * @var string
     60:      * @since 1.0
     61:      */
     62:     private $title;
     63:
     64:     /**
     65:      * The HTML id attribute for the button.
     66:      *
     67:      * @var string
     68:      * @since 1.0
     69:      */
     70:     private $id;
     71:
     72:     /**
     73:      * If provided, the button will be a clickable image using this image.
     74:      *
     75:      * @var string
     76:      * @since 1.0
     77:      */
     78:     private $imgURL;
     79:
     80:     /**
     81:      * The constructor
     82:      *
     83:      * @param string $action The javascript action to be carried out (or set to "submit" to make a submit button, "file" for file uploads).
     84:      * @param string $title The title to appear on the button.
     85:      * @param string $id The HTML id attribute for the button.
     86:      * @param string $imgURL If provided, the button will be a clickable image using this image.
     87:      * @since 1.0
     88:      */
     89:     public function __construct($action, $title, $id, $imgURL='') {
     90:         global $config;
     91:
     92:         $this->action = $action;
     93:         $this->title = $title;
     94:         $this->id = $id;
     95:         $this->imgURL = $imgURL;
     96:         $this->title = $title;
     97:     }
     98:
     99:     /**
    100:      * Renders the HTML and javascript for the button.
    101:      *
    102:      * @param integer $width The width in pixels of the button (will also accept percentage values), defaults to 0 meaning auto-width to fit text.
    103:      * @since 1.0
    104:      * @return string
    105:      */
    106:     public function render($width=0) {
    107:         $html = '';
    108:
    109:         if(empty($this->imgURL)) {
    110:             switch ($this->action) {
    111:                 case 'submit':
    112:                     $html .= '<script>
    113:                         $(function() {
    114:                             $("[Id=\''.$this->id.'\']").button();
    115:                         });
    116:                         </script>
    117:                     ';
    118:                     $html .= '<input type="submit" id="'.$this->id.'" name="'.$this->id.'" value="'.$this->title.'"'.($width == 0? '':' style="width:'.$width.';"').'/>';
    119:                 break;
    120:                 case 'file':
    121:                     $html .= '<script>
    122:                         $(function() {
    123:                             $("[Id=\''.$this->id.'\']").button();
    124:                         });
    125:                         </script>
    126:                     ';
    127:                     $html .= '<input type="file" id="'.$this->id.'" name="'.$this->id.'" value="'.$this->title.'"'.($width == 0? '':' style="width:'.$width.';"').'/>';
    128:                 break;
    129:                 default:
    130:                     $html .= '<script>
    131:                         $(function() {
    132:                             $("[Id=\''.$this->id.'\']").button();
    133:                             $("[Id=\''.$this->id.'\']").click(function() { '.$this->action.'; });
    134:                         });
    135:                         </script>
    136:                     ';
    137:                     $html .= '<input type="button" id="'.$this->id.'" name="'.$this->id.'" value="'.$this->title.'"'.($width == 0? '':' style="width:'.$width.';"').'/>';
    138:                 break;
    139:             }
    140:         }else{
    141:             // in the special case where a clickable image is being used
    142:             $html .= '<img src="'.$this->imgURL.'" alt="'.$this->title.'" onClick="'.$this->action.'" style="cursor:pointer; vertical-align:bottom;"/>';
    143:         }
    144:
    145:         return $html;
    146:     }
    147: }
    148:
    149: ?>