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<?php |
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namespace Carbon_Fields\Field; |
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/** |
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* Number field class. |
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*/ |
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class Number_Field extends Field { |
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protected $default_min = 1; |
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protected $default_max = 2147483647; |
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protected $default_step = 1; |
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protected $min = 1; |
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protected $max = 2147483647; |
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protected $step = 1; |
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/** |
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* Underscore template of this field. |
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*/ |
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function template() { |
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?> |
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<input id="{{{ id }}}" type="number" name="{{{ name }}}" value="{{ value }}" max="{{ max }}" min="{{ min }}" step="{{ step }}" pattern="[0-9]*" class="regular-text" /> |
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<?php |
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} |
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function to_json( $load ) { |
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$field_data = parent::to_json( $load ); |
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$field_data = array_merge( $field_data, array( |
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'min' => is_numeric( $this->min ) ? $this->min : $this->default_min, |
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'max' => is_numeric( $this->max ) ? $this->max : $this->default_max, |
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'step' => is_numeric( $this->step ) ? $this->step : $this->default_step, |
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) ); |
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return $field_data; |
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} |
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function save() { |
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$name = $this->get_name(); |
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$value = $this->get_value(); |
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$min = $this->min; |
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$max = $this->max; |
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$step = $this->step; |
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// Set the value for the field |
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$this->set_name( $name ); |
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$field_value = ''; |
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if ( isset( $value ) && $value !== '' && is_numeric( $value ) ) { |
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$value = floatval( $value ); |
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$is_valid_min = $min <= $value; |
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$is_valid_max = $value <= $max; |
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// Base Formula "value = min + n * step" where "n" should be integer |
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$test_for_step_validation = ( $value - $min ) / $step; |
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$is_valid_step = $test_for_step_validation === floor( $test_for_step_validation ); |
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if ( $value !== '' && $is_valid_min && $is_valid_max && $is_valid_step ) { |
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$field_value = $value; |
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} |
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} |
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$this->set_value( $field_value ); |
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parent::save(); |
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} |
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function set_max( $max ) { |
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$this->max = $max; |
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return $this; |
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} |
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function set_min( $min ) { |
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$this->min = $min; |
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return $this; |
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} |
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function set_step( $step ) { |
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$this->step = $step; |
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return $this; |
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} |
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} |
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htmlburger /
carbon-fields
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.