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1 | <?php |
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2 | |||
3 | namespace Encore\Admin\Form\Field; |
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4 | |||
5 | use Illuminate\Support\Str; |
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6 | use Intervention\Image\Constraint; |
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7 | use Intervention\Image\Facades\Image as InterventionImage; |
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8 | use Intervention\Image\ImageManagerStatic; |
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9 | use Symfony\Component\HttpFoundation\File\UploadedFile; |
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10 | |||
11 | trait ImageField |
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12 | { |
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13 | /** |
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14 | * Intervention calls. |
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15 | * |
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16 | * @var array |
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17 | */ |
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18 | protected $interventionCalls = []; |
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19 | |||
20 | /** |
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21 | * Thumbnail settings. |
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22 | * |
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23 | * @var array |
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24 | */ |
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25 | protected $thumbnails = []; |
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26 | |||
27 | /** |
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28 | * Default directory for file to upload. |
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29 | * |
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30 | * @return mixed |
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31 | */ |
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32 | public function defaultDirectory() |
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33 | { |
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34 | return config('admin.upload.directory.image'); |
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35 | } |
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36 | |||
37 | /** |
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38 | * Execute Intervention calls. |
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39 | * |
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40 | * @param string $target |
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41 | * |
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42 | * @return mixed |
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43 | */ |
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44 | public function callInterventionMethods($target) |
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45 | { |
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46 | if (!empty($this->interventionCalls)) { |
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47 | $image = ImageManagerStatic::make($target); |
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48 | |||
49 | foreach ($this->interventionCalls as $call) { |
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50 | call_user_func_array( |
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51 | [$image, $call['method']], |
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52 | $call['arguments'] |
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53 | )->save($target); |
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54 | } |
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55 | } |
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56 | |||
57 | return $target; |
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58 | } |
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59 | |||
60 | /** |
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61 | * Call intervention methods. |
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62 | * |
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63 | * @param string $method |
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64 | * @param array $arguments |
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65 | * |
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66 | * @throws \Exception |
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67 | * |
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68 | * @return $this |
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69 | */ |
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70 | public function __call($method, $arguments) |
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71 | { |
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72 | if (static::hasMacro($method)) { |
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73 | return $this; |
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74 | } |
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75 | |||
76 | if (!class_exists(ImageManagerStatic::class)) { |
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77 | throw new \Exception('To use image handling and manipulation, please install [intervention/image] first.'); |
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78 | } |
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79 | |||
80 | $this->interventionCalls[] = [ |
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81 | 'method' => $method, |
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82 | 'arguments' => $arguments, |
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83 | ]; |
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84 | |||
85 | return $this; |
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86 | } |
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87 | |||
88 | /** |
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89 | * Render a image form field. |
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90 | * |
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91 | * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View |
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92 | */ |
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93 | public function render() |
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94 | { |
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95 | $this->options(['allowedFileTypes' => ['image'], 'msgPlaceholder' => trans('admin.choose_image')]); |
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96 | |||
97 | return parent::render(); |
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98 | } |
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99 | |||
100 | /** |
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101 | * @param string|array $name |
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102 | * @param int $width |
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103 | * @param int $height |
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104 | * |
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105 | * @return $this |
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106 | */ |
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107 | public function thumbnail($name, int $width = null, int $height = null) |
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108 | { |
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109 | if (func_num_args() == 1 && is_array($name)) { |
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110 | foreach ($name as $key => $size) { |
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111 | if (count($size) >= 2) { |
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112 | $this->thumbnails[$key] = $size; |
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113 | } |
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114 | } |
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115 | } elseif (func_num_args() == 3) { |
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116 | $this->thumbnails[$name] = [$width, $height]; |
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117 | } |
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118 | |||
119 | return $this; |
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120 | } |
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121 | |||
122 | /** |
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123 | * Destroy original thumbnail files. |
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124 | * |
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125 | * @return void. |
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126 | */ |
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127 | public function destroyThumbnail() |
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128 | { |
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129 | if ($this->retainable) { |
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130 | return; |
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131 | } |
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132 | |||
133 | foreach ($this->thumbnails as $name => $_) { |
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134 | /* Refactoring actual remove lofic to another method destroyThumbnailFile() |
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135 | to make deleting thumbnails work with multiple as well as |
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136 | single image upload. */ |
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137 | |||
138 | if (is_array($this->original)) { |
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139 | if (empty($this->original)) { |
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140 | continue; |
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141 | } |
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142 | |||
143 | foreach ($this->original as $original) { |
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144 | $this->destroyThumbnailFile($original, $name); |
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145 | } |
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146 | } else { |
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147 | $this->destroyThumbnailFile($this->original, $name); |
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148 | } |
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149 | } |
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150 | } |
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151 | |||
152 | /** |
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153 | * Remove thumbnail file from disk. |
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154 | * |
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155 | * @return void. |
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The doc-type
void. could not be parsed: Unknown type name "void." at position 0. (view supported doc-types)
This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types.
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156 | */ |
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157 | public function destroyThumbnailFile($original, $name) |
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158 | { |
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159 | $ext = @pathinfo($original, PATHINFO_EXTENSION); |
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160 | |||
161 | // We remove extension from file name so we can append thumbnail type |
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162 | $path = @Str::replaceLast('.'.$ext, '', $original); |
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163 | |||
164 | // We merge original name + thumbnail name + extension |
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165 | $path = $path.'-'.$name.'.'.$ext; |
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166 | |||
167 | if ($this->storage->exists($path)) { |
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168 | $this->storage->delete($path); |
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169 | } |
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170 | } |
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171 | |||
172 | /** |
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173 | * Upload file and delete original thumbnail files. |
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174 | * |
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175 | * @param UploadedFile $file |
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176 | * |
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177 | * @return $this |
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178 | */ |
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179 | protected function uploadAndDeleteOriginalThumbnail(UploadedFile $file) |
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180 | { |
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181 | foreach ($this->thumbnails as $name => $size) { |
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182 | // We need to get extension type ( .jpeg , .png ...) |
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183 | $ext = pathinfo($this->name, PATHINFO_EXTENSION); |
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184 | |||
185 | // We remove extension from file name so we can append thumbnail type |
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186 | $path = Str::replaceLast('.'.$ext, '', $this->name); |
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187 | |||
188 | // We merge original name + thumbnail name + extension |
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189 | $path = $path.'-'.$name.'.'.$ext; |
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190 | |||
191 | /** @var \Intervention\Image\Image $image */ |
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192 | $image = InterventionImage::make($file); |
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193 | |||
194 | $action = $size[2] ?? 'resize'; |
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195 | // Resize image with aspect ratio |
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196 | $image->$action($size[0], $size[1], function (Constraint $constraint) { |
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197 | $constraint->aspectRatio(); |
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198 | })->resizeCanvas($size[0], $size[1], 'center', false, '#ffffff'); |
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199 | |||
200 | if (!is_null($this->storagePermission)) { |
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201 | $this->storage->put("{$this->getDirectory()}/{$path}", $image->encode(), $this->storagePermission); |
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202 | } else { |
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203 | $this->storage->put("{$this->getDirectory()}/{$path}", $image->encode()); |
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204 | } |
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205 | } |
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206 | |||
207 | $this->destroyThumbnail(); |
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208 | |||
209 | return $this; |
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210 | } |
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211 | } |
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212 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: