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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Pdf |
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17 * @subpackage Annotation |
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18 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 * @version $Id: Link.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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21 */ |
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22 |
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23 /** Internally used classes */ |
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24 require_once 'Zend/Pdf/Element.php'; |
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25 require_once 'Zend/Pdf/Element/Array.php'; |
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26 require_once 'Zend/Pdf/Element/Dictionary.php'; |
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27 require_once 'Zend/Pdf/Element/Name.php'; |
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28 require_once 'Zend/Pdf/Element/Numeric.php'; |
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29 |
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30 |
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31 /** Zend_Pdf_Annotation */ |
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32 require_once 'Zend/Pdf/Annotation.php'; |
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33 |
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34 /** |
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35 * A link annotation represents either a hypertext link to a destination elsewhere in |
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36 * the document or an action to be performed. |
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37 * |
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38 * Only destinations are used now since only GoTo action can be created by user |
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39 * in current implementation. |
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40 * |
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41 * @package Zend_Pdf |
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42 * @subpackage Annotation |
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43 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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44 * @license http://framework.zend.com/license/new-bsd New BSD License |
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45 */ |
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46 class Zend_Pdf_Annotation_Link extends Zend_Pdf_Annotation |
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47 { |
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48 /** |
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49 * Annotation object constructor |
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50 * |
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51 * @throws Zend_Pdf_Exception |
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52 */ |
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53 public function __construct(Zend_Pdf_Element $annotationDictionary) |
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54 { |
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55 if ($annotationDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) { |
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56 require_once 'Zend/Pdf/Exception.php'; |
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57 throw new Zend_Pdf_Exception('Annotation dictionary resource has to be a dictionary.'); |
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58 } |
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59 |
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60 if ($annotationDictionary->Subtype === null || |
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61 $annotationDictionary->Subtype->getType() != Zend_Pdf_Element::TYPE_NAME || |
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62 $annotationDictionary->Subtype->value != 'Link') { |
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63 require_once 'Zend/Pdf/Exception.php'; |
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64 throw new Zend_Pdf_Exception('Subtype => Link entry is requires'); |
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65 } |
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66 |
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67 parent::__construct($annotationDictionary); |
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68 } |
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69 |
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70 /** |
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71 * Create link annotation object |
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72 * |
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73 * @param float $x1 |
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74 * @param float $y1 |
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75 * @param float $x2 |
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76 * @param float $y2 |
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77 * @param Zend_Pdf_Target|string $target |
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78 * @return Zend_Pdf_Annotation_Link |
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79 */ |
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80 public static function create($x1, $y1, $x2, $y2, $target) |
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81 { |
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82 if (is_string($target)) { |
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83 require_once 'Zend/Pdf/Destination/Named.php'; |
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84 $destination = Zend_Pdf_Destination_Named::create($target); |
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85 } |
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86 if (!$target instanceof Zend_Pdf_Target) { |
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87 require_once 'Zend/Pdf/Exception.php'; |
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88 throw new Zend_Pdf_Exception('$target parameter must be a Zend_Pdf_Target object or a string.'); |
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89 } |
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90 |
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91 $annotationDictionary = new Zend_Pdf_Element_Dictionary(); |
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92 |
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93 $annotationDictionary->Type = new Zend_Pdf_Element_Name('Annot'); |
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94 $annotationDictionary->Subtype = new Zend_Pdf_Element_Name('Link'); |
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95 |
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96 $rectangle = new Zend_Pdf_Element_Array(); |
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97 $rectangle->items[] = new Zend_Pdf_Element_Numeric($x1); |
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98 $rectangle->items[] = new Zend_Pdf_Element_Numeric($y1); |
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99 $rectangle->items[] = new Zend_Pdf_Element_Numeric($x2); |
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100 $rectangle->items[] = new Zend_Pdf_Element_Numeric($y2); |
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101 $annotationDictionary->Rect = $rectangle; |
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102 |
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103 if ($target instanceof Zend_Pdf_Destination) { |
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104 $annotationDictionary->Dest = $target->getResource(); |
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105 } else { |
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106 $annotationDictionary->A = $target->getResource(); |
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107 } |
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108 |
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109 return new Zend_Pdf_Annotation_Link($annotationDictionary); |
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110 } |
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111 |
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112 /** |
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113 * Set link annotation destination |
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114 * |
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115 * @param Zend_Pdf_Target|string $target |
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116 * @return Zend_Pdf_Annotation_Link |
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117 */ |
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118 public function setDestination($target) |
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119 { |
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120 if (is_string($target)) { |
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121 require_once 'Zend/Pdf/Destination/Named.php'; |
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122 $destination = Zend_Pdf_Destination_Named::create($target); |
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123 } |
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124 if (!$target instanceof Zend_Pdf_Target) { |
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125 require_once 'Zend/Pdf/Exception.php'; |
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126 throw new Zend_Pdf_Exception('$target parameter must be a Zend_Pdf_Target object or a string.'); |
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127 } |
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128 |
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129 $this->_annotationDictionary->touch(); |
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130 $this->_annotationDictionary->Dest = $destination->getResource(); |
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131 if ($target instanceof Zend_Pdf_Destination) { |
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132 $this->_annotationDictionary->Dest = $target->getResource(); |
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133 $this->_annotationDictionary->A = null; |
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134 } else { |
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135 $this->_annotationDictionary->Dest = null; |
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136 $this->_annotationDictionary->A = $target->getResource(); |
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137 } |
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138 |
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139 return $this; |
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140 } |
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141 |
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142 /** |
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143 * Get link annotation destination |
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144 * |
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145 * @return Zend_Pdf_Target|null |
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146 */ |
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147 public function getDestination() |
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148 { |
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149 if ($this->_annotationDictionary->Dest === null && |
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150 $this->_annotationDictionary->A === null) { |
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151 return null; |
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152 } |
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153 |
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154 if ($this->_annotationDictionary->Dest !== null) { |
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155 require_once 'Zend/Pdf/Destination.php'; |
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156 return Zend_Pdf_Destination::load($this->_annotationDictionary->Dest); |
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157 } else { |
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158 require_once 'Zend/Pdf/Action.php'; |
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159 return Zend_Pdf_Action::load($this->_annotationDictionary->A); |
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160 } |
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161 } |
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162 } |