1 | <?php |
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2 | /** |
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3 | * Handles CSS output for background-position. |
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4 | * |
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5 | * @package Kirki |
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6 | * @subpackage Controls |
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7 | * @copyright Copyright (c) 2017, Aristeides Stathopoulos |
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8 | * @license https://opensource.org/licenses/MIT |
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9 | * @since 2.2.0 |
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10 | */ |
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11 | |||
12 | /** |
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13 | * Output overrides. |
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14 | */ |
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15 | class Kirki_Output_Property_Background_Position extends Kirki_Output_Property { |
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16 | |||
17 | /** |
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18 | * Modifies the value. |
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19 | * |
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20 | * @access protected |
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21 | */ |
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22 | protected function process_value() { |
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23 | $this->value = trim( $this->value ); |
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24 | |||
25 | // If you use calc() there, I suppose you know what you're doing. |
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26 | // No need to process this any further, just exit. |
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27 | if ( false !== strpos( $this->value, 'calc' ) ) { |
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28 | return; |
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29 | } |
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30 | |||
31 | // If the value is initial or inherit, we don't need to do anything. |
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32 | // Just exit. |
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33 | if ( 'initial' === $this->value || 'inherit' === $this->value ) { |
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34 | return; |
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35 | } |
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36 | |||
37 | $x_dimensions = array( 'left', 'center', 'right' ); |
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38 | $y_dimensions = array( 'top', 'center', 'bottom' ); |
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39 | |||
40 | // If there's a space, we have an X and a Y value. |
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41 | if ( false !== strpos( $this->value, ' ' ) ) { |
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42 | $xy = explode( ' ', $this->value ); |
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43 | |||
44 | $x = trim( $xy[0] ); |
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45 | $y = trim( $xy[1] ); |
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46 | |||
47 | // If x is not left/center/right, we need to sanitize it. |
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48 | if ( ! in_array( $x, $x_dimensions, true ) ) { |
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49 | $x = sanitize_text_field( $x ); |
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50 | } |
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51 | if ( ! in_array( $y, $y_dimensions, true ) ) { |
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52 | $y = sanitize_text_field( $y ); |
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53 | } |
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54 | $this->value = $x . ' ' . $y; |
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55 | return; |
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56 | } |
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57 | $x = 'center'; |
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58 | foreach ( $x_dimensions as $x_dimension ) { |
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59 | if ( false !== strpos( $this->value, $x_dimension ) ) { |
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60 | $x = $x_dimension; |
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61 | } |
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62 | } |
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63 | $y = 'center'; |
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64 | foreach ( $y_dimensions as $y_dimension ) { |
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65 | if ( false !== strpos( $this->value, $y_dimension ) ) { |
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66 | $y = $y_dimension; |
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67 | } |
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68 | } |
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69 | $this->value = $x . ' ' . $y; |
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70 | } |
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71 | } |
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72 |