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<?php |
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|
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/** |
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* a class to manage WP pointers |
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* offers the possibility to have customized buttons |
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* |
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* @since 1.7.7 |
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*/ |
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class PLL_Pointer { |
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protected $args; |
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|
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/** |
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* constructor |
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* enqueues the pointer script |
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* |
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* list of parameters accepted in $args: |
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* |
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* pointer => required, unique identifier of the pointer |
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* id => required, the pointer will be attached to this html id |
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* position => optional array, if used both sub parameters are required |
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* edge => 'top' or 'bottom' |
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* align => 'right' or 'left' |
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* width => optional, the width in px |
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* title => required, title |
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* content => required, content |
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* buttons => optional array of arrays, by default the pointer uses the standard dismiss button offered by WP |
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* label => the label of the button |
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* link => optional link for the button. By default, the button just dismisses the pointer |
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* |
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* @since 1.7.7 |
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* |
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* @param array $args |
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*/ |
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public function __construct( $args ) { |
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$this->args = $args; |
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add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) ); |
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} |
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|
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/** |
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* enqueue javascripts and styles if the pointer has not been dismissed |
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* |
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* @since 1.7.7 |
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*/ |
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public function enqueue_scripts() { |
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$dismissed = explode( ',', get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ); |
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if ( in_array( $this->args['pointer'], $dismissed ) || ! current_user_can( 'manage_options' ) ) { |
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return; |
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} |
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|
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// Add pointer javascript |
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add_action( 'admin_print_footer_scripts', array( $this, 'print_js' ) ); |
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|
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wp_enqueue_style( 'wp-pointer' ); |
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wp_enqueue_script( 'wp-pointer' ); |
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} |
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|
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/** |
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* adds the javascript of our pointer to the page |
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* |
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* @since 1.7.7 |
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*/ |
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public function print_js() { |
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|
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// add optional buttons |
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if ( ! empty( $this->args['buttons'] ) ) { |
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$b = " |
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var widget = pointer.pointer( 'widget' ); |
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var buttons = $( '.wp-pointer-buttons', widget ); |
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$( 'a.close', widget ).remove();"; // removes the WP button |
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|
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// all the buttons use the standard WP ajax action to remember the pointer has been dismissed |
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foreach ( $this->args['buttons'] as $button ) { |
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$b .= sprintf( " |
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$( '<a>' ).addClass( '%s' ).html( '%s' ).css( 'margin-left', '10px' ).click( function() { |
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$.post( ajaxurl, { |
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pointer: '%s', |
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action: 'dismiss-wp-pointer' |
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}, function( response ) { |
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%s |
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} ); |
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} ).appendTo( buttons );", |
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empty( $button['link'] ) ? 'button' : 'button button-primary', |
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esc_html( $button['label'] ), |
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$this->args['pointer'], |
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empty( $button['link'] ) ? "pointer.pointer( 'close' )" : sprintf( "location.href = '%s'", $button['link'] ) |
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); |
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} |
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} |
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|
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$js = sprintf( " |
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//<![CDATA[ |
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jQuery( document ).ready( function( $ ) { |
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var pointer = $( '#%s' ).pointer( { |
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content: '%s', |
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%s |
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%s |
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} ); |
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pointer.pointer( 'open' ); |
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%s |
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} ); |
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// ]]>", |
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$this->args['id'], |
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sprintf( '<h3>%s</h3><p>%s</p>', esc_html( $this->args['title'] ), esc_html( $this->args['content'] ) ), |
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empty( $this->args['position'] ) ? '' : sprintf( 'position: {edge: "%s", align: "%s",},', $this->args['position']['edge'], $this->args['position']['align'] ), |
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empty( $this->args['width'] ) ? '' : sprintf( 'pointerWidth: %d,', $this->args['width'] ), |
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empty( $b ) ? '' : $b |
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); |
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echo "<script type='text/javascript'>" .$js. "</script>"; |
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} |
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} |
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|
