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<?php |
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/** |
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* @package Demos |
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*/ |
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class FileSelectField extends Field |
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{ |
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public $request; |
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public $files = array(); |
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public $options; |
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function __construct($name, $path, $options = array()) |
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{ |
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$this->name = $name; |
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$this->path = $path; |
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$this->options = $options; |
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if (!isset($options['show'])) |
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$this->options['show'] = true; |
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if (!isset($options['pattern'])) |
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$this->options['pattern'] = '/(.*)/'; |
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} |
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function init($request) |
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{ |
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$this->value = null; |
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$di = new DirectoryIterator(DEMO_PATH . $this->path); |
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foreach ($di as $file) |
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if (!$file->isDot() && strpos($file->getFilename(), '.') !== 0 && preg_match($this->options['pattern'], $file->getFilename())) |
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{ |
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$this->files[] = $file->getFilename(); |
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if ($this->value === null && isset($this->options['default']) && $this->options['default'] == $file->getFilename()) |
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$this->value = $this->options['default']; |
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if ($this->request->get($this->name) == $file->getFilename()) |
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$this->value = $file->getFilename(); |
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} |
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sort($this->files); |
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if (!$this->value && count($this->files) > 0) |
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$this->value = $this->files[0]; |
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} |
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function renderBody($name, $id) |
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{ |
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if ($this->options['show']) |
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{ |
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$onch = "document.getElementById('sel_{$id}').src = '{$this->path}/' + this.options[this.selectedIndex].value;"; |
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} |
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else |
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$onch = ''; |
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echo '<select id="' . $id . '" name="' . $name . '" onchange="' . $onch . '">'; |
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$selected_file = null; |
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foreach ($this->files as $file) |
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{ |
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if ($this->value == $file) |
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{ |
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$sel = 'selected="selected"'; |
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$selected_file = $file; |
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} |
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else |
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$sel = ''; |
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echo '<option ' . $sel . ' value="' . $file . '">' . $file . '</option>' . PHP_EOL; |
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} |
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echo '</select>'; |
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if ($this->options['show'] && $selected_file) |
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{ |
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echo '<div style="display: inline; min-width: 50px; min-height: 50px">'; |
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echo '<img style="position: absolute" id="sel_' . $id . '" width="50" src="' . $this->path . '/' . $selected_file . '" /> '; |
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echo " "; |
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echo '</div>'; |
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} |
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} |
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function getURLValue() |
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{ |
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return $this->name . '=' . $this->value; |
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} |
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} |
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