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<?php |
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namespace Encore\Admin\Form\Field; |
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use Encore\Admin\Admin; |
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use Illuminate\Support\Arr; |
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trait HasValuePicker |
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{ |
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/** |
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* @var ValuePicker |
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*/ |
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protected $picker; |
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/** |
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* @var string |
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*/ |
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protected $btn = ''; |
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/** |
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* @param string $picker |
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* @param string $column |
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* @return $this |
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*/ |
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public function pick($picker, $column = '') |
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{ |
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$this->picker = new ValuePicker($picker, $column); |
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return $this; |
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} |
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/** |
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* @param string $picker |
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* @param string $column |
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* @param string $delimiter |
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*/ |
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public function pickMultiple($picker, $column = '', $delimiter = ',') |
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{ |
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$this->picker = new ValuePicker($picker, $column, true, $delimiter); |
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return $this; |
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} |
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/** |
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* @return void |
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*/ |
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protected function mountPicker() |
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{ |
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if ($this->picker) { |
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$this->picker->mount($this); |
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$this->addVariables(['btn' => $this->btn]); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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protected function getRules() |
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{ |
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$rules = parent::getRules(); |
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array_delete($rules, 'image'); |
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return $rules; |
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} |
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/** |
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* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View|string |
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*/ |
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protected function renderFilePicker() |
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{ |
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$this->view = 'admin::form.filepicker'; |
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$this->picker->mount($this); |
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$this->attribute('type', 'text') |
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->attribute('id', $this->id) |
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->attribute('name', $this->elementName ?: $this->formatName($this->column)) |
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->attribute('value', old($this->elementName ?: $this->column, $this->value())) |
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->attribute('class', 'form-control '.$this->getElementClassString()) |
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->attribute('placeholder', $this->getPlaceholder()); |
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$this->addVariables([ |
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'preview' => $this->picker->preview(), |
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'btn' => $this->btn |
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]); |
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return parent::render(); |
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} |
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/** |
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* @param string $wrap |
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*/ |
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public function addPickBtn($btn) |
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{ |
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$this->btn = $btn; |
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} |
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} |
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This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.