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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 Encore\Admin\Form\Field; |
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use Illuminate\Support\Arr; |
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/** |
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* @mixin Field |
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*/ |
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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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* @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 $separator |
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*/ |
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public function pickMany($picker, $column = '', $separator = ';') |
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{ |
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$this->picker = new ValuePicker($picker, $column, true, $separator); |
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return $this; |
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} |
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/** |
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* @param \Closure|null $callback |
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* @return $this |
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*/ |
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protected function mountPicker(\Closure $callback = null) |
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{ |
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$this->picker && $this->picker->mount($this, $callback); |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getRules() |
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{ |
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$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->mountPicker() |
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->setView('admin::form.filepicker') |
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->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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->addVariables([ |
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'preview' => $this->picker->getPreview(get_called_class()), |
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]); |
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return Admin::component('admin::form.filepicker', $this->variables()); |
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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
Idable
provides a methodequalsId
that 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.