1: <?php
  2:     /**
  3:      * This file contains the QImageButton class.
  4:      *
  5:      * @package Controls
  6:      */
  7: 
  8:     /**
  9:      * This class will render an HTML ImageButton <input type="image">.
 10:      *
 11:      * @package Controls
 12:      *
 13:      * @property string $AlternateText is rendered as the HTML "alt" tag
 14:      * @property string $ImageUrl is the url of the image to be used
 15:      * @property boolean $PrimaryButton
 16:      * @property-read integer $ClickX
 17:      * @property-read integer $ClickY
 18:      */
 19:     class QImageButton extends QActionControl {
 20:         ///////////////////////////
 21:         // Private Member Variables
 22:         ///////////////////////////
 23: 
 24:         // APPEARANCE
 25:         protected $strAlternateText = null;
 26:         protected $strImageUrl = null;
 27: 
 28:         // BEHAVIOR
 29:         protected $blnPrimaryButton = false;
 30:         protected $intClickX;
 31:         protected $intClickY;
 32: 
 33:         // SETTINGS
 34:         protected $blnActionsMustTerminate = true;
 35:         
 36: 
 37:         //////////
 38:         // Methods
 39:         //////////
 40:         public function GetAttributes() {
 41:             $strToReturn = parent::GetAttributes();
 42: 
 43:             if ($this->strAlternateText)
 44:                 $strToReturn .= sprintf('alt="%s" ', $this->strAlternateText);
 45:             if ($this->strImageUrl)
 46:                 $strToReturn .= sprintf('src="%s" ', $this->strImageUrl);
 47: 
 48:             return $strToReturn;
 49:         }
 50:         
 51:         public function ParsePostData() {
 52:             $strKeyX = sprintf('%s_x', $this->strControlId);
 53:             $strKeyY = sprintf('%s_y', $this->strControlId);
 54:             if (isset ($strKeyX) && $_POST[$strKeyX] !== '') {
 55:                 $this->intClickX = $_POST[$strKeyX];
 56:                 $this->intClickY = $_POST[$strKeyY];
 57:             }
 58:             /*
 59:             else {
 60:                 $this->intClickX = null;
 61:                 $this->intClickY = null;
 62:             }*/
 63:         }
 64: 
 65:         protected function GetControlHtml() {
 66:             $strStyle = $this->GetStyleAttributes();
 67:             if ($strStyle)
 68:                 $strStyle = sprintf('style="%s"', $strStyle);
 69: 
 70:             if ($this->blnPrimaryButton) {
 71:                 $strToReturn = sprintf('<input type="image" name="%s" %s%s />',
 72:                     $this->strControlId,
 73:                     $this->GetAttributes(),
 74:                     $strStyle);
 75:             } else {
 76:                 $strToReturn = sprintf('<img  %s%s />',
 77:                     $this->GetAttributes(),
 78:                     $strStyle);
 79:             }
 80:             
 81:             $strToReturn .= sprintf('<input type="hidden" name="%s_x" id="%s_x" value=""/><input type="hidden" name="%s_y" id="%s_y" value=""/>',
 82:                 $this->strControlId,
 83:                 $this->strControlId,
 84:                 $this->strControlId,
 85:                 $this->strControlId);
 86: 
 87:             return $strToReturn;
 88:         }
 89: 
 90:         /////////////////////////
 91:         // Public Properties: GET
 92:         /////////////////////////
 93:         public function __get($strName) {
 94:             switch ($strName) {
 95:                 // APPEARANCE
 96:                 case "AlternateText": return $this->strAlternateText;
 97:                 case "ImageUrl": return $this->strImageUrl;
 98: 
 99:                 // BEHAVIOR
100:                 case "PrimaryButton": return $this->blnPrimaryButton;
101:                 case "ClickX": return $this->intClickX;
102:                 case "ClickY": return $this->intClickY;
103: 
104:                 default:
105:                     try {
106:                         return parent::__get($strName);
107:                     } catch (QCallerException $objExc) {
108:                         $objExc->IncrementOffset();
109:                         throw $objExc;
110:                     }
111:             }
112:         }
113: 
114:         /////////////////////////
115:         // Public Properties: SET
116:         /////////////////////////
117:         public function __set($strName, $mixValue) {
118:             $this->blnModified = true;
119: 
120:             switch ($strName) {
121:                 // APPEARANCE
122:                 case "AlternateText":
123:                     try {
124:                         $this->strAlternateText = QType::Cast($mixValue, QType::String);
125:                         break;
126:                     } catch (QInvalidCastException $objExc) {
127:                         $objExc->IncrementOffset();
128:                         throw $objExc;
129:                     }
130:                 case "ImageUrl":
131:                     try {
132:                         $this->strImageUrl = QType::Cast($mixValue, QType::String);
133:                         break;
134:                     } catch (QInvalidCastException $objExc) {
135:                         $objExc->IncrementOffset();
136:                         throw $objExc;
137:                     }
138: 
139:                 // BEHAVIOR
140:                 case "PrimaryButton":
141:                     try {
142:                         $this->blnPrimaryButton = QType::Cast($mixValue, QType::Boolean);
143:                         break;
144:                     } catch (QInvalidCastException $objExc) {
145:                         $objExc->IncrementOffset();
146:                         throw $objExc;
147:                     }
148: 
149:                 default:
150:                     try {
151:                         parent::__set($strName, $mixValue);
152:                     } catch (QCallerException $objExc) {
153:                         $objExc->IncrementOffset();
154:                         throw $objExc;
155:                     }
156:                     break;
157:             }
158:         }
159:     }