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footnotes/class/settings.php

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<?php // phpcs:disable WordPress.Files.FileName.InvalidClassFileName
/**
* Includes the Settings class to handle all Plugin settings.
*
* @filesource
* @package footnotes
* @since 1.5.0
* @date 14.09.14 10:43
*
* @since 2.0.4 restore arrow settings 2020-11-02T2115+0100
* @since 2.0.7 remove hook the_post 2020-11-06T1342+0100
* @since 2.1.0 add read-on button label customization 2020-11-08T2149+0100
* @since 2.1.1 fix tooltips on site by alternative 2020-11-11T1819+0100
* @since 2.1.1 fix disabling backlink symbol 2020-11-16T2021+0100
* @since 2.1.1 fix superscript by making it optional
* @since 2.1.1 fix start pages by option to hide ref container, thanks to @dragon013
* @since 2.1.1 fix ref container by option restoring 3-column layout
* @since 2.1.1 fix ref container by option to switch index/symbol 2020-11-16T2022+0100
*
* @since 2.1.3 excerpt hook: disable by default, thanks to @nikelaos
* @link https://wordpress.org/support/topic/doesnt-work-any-more-11/#post-13687068
*
* @since 2.1.3 fix ref container positioning by priority level 2020-11-17T0205+0100
*
* @since 2.1.4 more settings container keys 2020-12-03T0955+0100
*
* @since 2.1.6 option to disable URL line wrapping 2020-12-09T1606+0100
*
* @since 2.1.6 set default priority level of the_content to 98 to prevent plugin conflict, thanks to @marthalindeman 2020-12-10T0447+0100
*
* @since 2.2.0 reference container custom position shortcode, thanks to @hamshe 2020-12-13T2056+0100
* @link https://wordpress.org/support/topic/reference-container-in-elementor/
*
* @since 2.2.2 Custom CSS settings container migration 2020-12-15T0709+0100
*
* @since 2.2.4 move backlink symbol selection under previous tab 2020-12-16T1256+0100
*
* @since 2.2.5 alternative tooltip position settings 2020-12-17T0907+0100
*
* @since 2.2.5 options for reference container label element and bottom border, thanks to @markhillyer 2020-12-18T1455+0100
* @link https://wordpress.org/support/topic/how-do-i-eliminate-the-horizontal-line-beneath-the-reference-container-heading/
*
* @since 2.2.9 set default priority level of widget_text to 98 like for the_content (since 2.1.6), thanks to @marthalindeman 2020-12-25T1646+0100
*
* @since 2.2.10 reference container row border option, thanks to @noobishh 2020-12-25T2316+0100
* @link https://wordpress.org/support/topic/borders-25/
*
* @since 2.3.0 reference container: settings for top (and bottom) margin, thanks to @hamshe
* @link https://wordpress.org/support/topic/reference-container-in-elementor/#post-13786635
*
* @since 2.3.0 Bugfix: Dashboard: Custom CSS: swap migration Boolean, meaning 'show legacy' instead of 'migration complete', due to storage data structure constraints.
* @date 2020-12-27T1243+0100
* @since 2.3.0 referrers, reference container: settings for anchor slugs 2020-12-31T1429+0100
*
* @since 2.4.0 footnote shortcode syntax validation 2021-01-01T0624+0100
*/
/**
* Loads the settings values, sets to default values if undefined.
*
* @since 1.5.0
*/
class MCI_Footnotes_Settings {
/**
* Settings Container Key for the label of the reference container.
*
* @since 1.5.0
* @var str
*/
const C_STR_REFERENCE_CONTAINER_NAME = 'footnote_inputfield_references_label';
/**
* Settings Container Key to collapse the reference container by default.
*
* @since 1.5.0
* @var str
* The string is converted to Boolean false if 'no', true if 'yes'.
* @see MCI_Footnotes_Convert::to_bool()
*/
const C_STR_REFERENCE_CONTAINER_COLLAPSE = 'footnote_inputfield_collapse_references';
/**
* Settings Container Key for the position of the reference container.
*
* @since 1.5.0
* @var str
*/
const C_STR_REFERENCE_CONTAINER_POSITION = 'footnote_inputfield_reference_container_place';
/**
* Settings Container Key for combining identical footnotes.
*
* @since 1.5.0
* @var str
*/
const C_STR_COMBINE_IDENTICAL_FOOTNOTES = 'footnote_inputfield_combine_identical';
/**
* Settings Container Key for the short code of the footnotes start.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_SHORT_CODE_START = 'footnote_inputfield_placeholder_start';
/**
* Settings Container Key for the short code of the footnotes end.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_SHORT_CODE_END = 'footnote_inputfield_placeholder_end';
/**
* Settings Container Key for the user-defined short code of the footnotes start.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_SHORT_CODE_START_USER_DEFINED = 'footnote_inputfield_placeholder_start_user_defined';
/**
* Settings Container Key for the user-defined short code of the footnotes end.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_SHORT_CODE_END_USER_DEFINED = 'footnote_inputfield_placeholder_end_user_defined';
/**
* Settings Container Key for the counter style of the footnotes.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_COUNTER_STYLE = 'footnote_inputfield_counter_style';
/**
* Settings Container Key for the 'I love footnotes' text.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_LOVE = 'footnote_inputfield_love';
/**
* Settings Container Key to look for footnotes in post excerpts.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_IN_EXCERPT = 'footnote_inputfield_search_in_excerpt';
/**
* Settings Container Key for the Expert mode.
*
* @since 1.5.5
* @var str
*
* @since 2.1.6 This setting removed as irrelevant since priority level settings need permanent visibility.
* @date 2020-12-09T2107+0100
*
* Since the removal of the the_post hook, the tab is no danger zone any longer.
* All users, not experts only, need to be able to control relative positioning.
*/
const C_STR_FOOTNOTES_EXPERT_MODE = 'footnote_inputfield_enable_expert_mode';
/**
* Settings Container Key for the string before the footnote referrer.
*
* @since 1.5.0
* @var str
*
* The default footnote referrer surroundings should be square brackets.
*
* - with respect to baseline footnote referrers new option;
* - as in English or US American typesetting;
* - for better UX thanks to a more button-like appearance;
* - for stylistic consistency with the expand-collapse button.
*/
const C_STR_FOOTNOTES_STYLING_BEFORE = 'footnote_inputfield_custom_styling_before';
/**
* Settings Container Key for the string after the footnote referrer.
*
* @since 1.5.0
* @var str
*/
const C_STR_FOOTNOTES_STYLING_AFTER = 'footnote_inputfield_custom_styling_after';
/**
* Settings Container Key to enable the mouse-over box.
*
* @since 1.5.2
* @var str
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_ENABLED = 'footnote_inputfield_custom_mouse_over_box_enabled';
/**
* Settings Container Key to enable the alternative tooltips.
*
* - Bugfix: Tooltips: optional alternative JS implementation with CSS transitions to fix configuration-related outage, thanks to @andreasra feedback.
*
* @since 2.1.1
* @date 2020-11-11T1817+0100
*
* @reporter @andreasra
* @link https://wordpress.org/support/topic/footnotes-appearing-in-header/page/2/#post-13632566
*
* @var str
*
* These alternative tooltips work around a website related jQuery UI
* outage. They are low-script but use the AMP incompatible onmouseover
* and onmouseout arguments, along with CSS transitions for fade-in/out.
* The very small script is inserted after Footnotes internal stylesheet.
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_ALTERNATIVE = 'footnote_inputfield_custom_mouse_over_box_alternative';
/**
* Settings Container Key to enable tooltip truncation.
*
* @since 1.5.4
* @var str
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_EXCERPT_ENABLED = 'footnote_inputfield_custom_mouse_over_box_excerpt_enabled';
/**
* Settings Container Key for the mouse-over box to define the max. length of the enabled excerpt.
*
* @since 1.5.4
* @var str
*/
const C_INT_FOOTNOTES_MOUSE_OVER_BOX_EXCERPT_LENGTH = 'footnote_inputfield_custom_mouse_over_box_excerpt_length';
/**
* Settings Container Key for the mouse-over box to define the position.
*
* @since 1.5.7
* @var str
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_POSITION = 'footnote_inputfield_custom_mouse_over_box_position';
/**
* Settings Container Key for the mouse-over box to define the offset (x).
*
* @since 1.5.7
* @var str
*/
const C_INT_FOOTNOTES_MOUSE_OVER_BOX_OFFSET_X = 'footnote_inputfield_custom_mouse_over_box_offset_x';
/**
* Settings Container Key for the mouse-over box to define the offset (y).
*
* @since 1.5.7
* @var str
*/
const C_INT_FOOTNOTES_MOUSE_OVER_BOX_OFFSET_Y = 'footnote_inputfield_custom_mouse_over_box_offset_y';
/**
* Settings Container Key for the mouse-over box to define the color.
*
* @since 1.5.6
* @var str
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_COLOR = 'footnote_inputfield_custom_mouse_over_box_color';
/**
* Settings Container Key for the mouse-over box to define the background color.
*
* @since 1.5.6
* @var str
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_BACKGROUND = 'footnote_inputfield_custom_mouse_over_box_background';
/**
* Settings Container Key for the mouse-over box to define the border width.
*
* @since 1.5.6
* @var str
*/
const C_INT_FOOTNOTES_MOUSE_OVER_BOX_BORDER_WIDTH = 'footnote_inputfield_custom_mouse_over_box_border_width';
/**
* Settings Container Key for the mouse-over box to define the border color.
*
* @since 1.5.6
* @var str
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_BORDER_COLOR = 'footnote_inputfield_custom_mouse_over_box_border_color';
/**
* Settings Container Key for the mouse-over box to define the border radius.
*
* @since 1.5.6
* @var str
*/
const C_INT_FOOTNOTES_MOUSE_OVER_BOX_BORDER_RADIUS = 'footnote_inputfield_custom_mouse_over_box_border_radius';
/**
* Settings Container Key for the mouse-over box to define the max. width.
*
* @since 1.5.6
* @var str
*/
const C_INT_FOOTNOTES_MOUSE_OVER_BOX_MAX_WIDTH = 'footnote_inputfield_custom_mouse_over_box_max_width';
/**
* Settings Container Key for the mouse-over box to define the box-shadow color.
*
* @since 1.5.8
* @var str
*/
const C_STR_FOOTNOTES_MOUSE_OVER_BOX_SHADOW_COLOR = 'footnote_inputfield_custom_mouse_over_box_shadow_color';
/**
* Settings Container Key for the backlink symbol selection.
*
* @since 1.5.0
* @var str
*/
const C_STR_HYPERLINK_ARROW = 'footnote_inputfield_custom_hyperlink_symbol';
/**
* Settings Container Key for the user-defined backlink symbol.
*
* @since 1.5.0
* @var str
*/
const C_STR_HYPERLINK_ARROW_USER_DEFINED = 'footnote_inputfield_custom_hyperlink_symbol_user';
/**
* Settings Container Key for the Custom CSS.
*
* @since 1.5.0
* @var str
*
* @since 1.3.0 Adding: new settings tab for custom CSS settings.
*/
const C_STR_CUSTOM_CSS = 'footnote_inputfield_custom_css';
/**
* Settings Container Key for the Custom CSS migrated to a dedicated tab.
*
* @since 2.2.2 Bugfix: Dashboard: Custom CSS: unearth text area and migrate to dedicated tab as designed.
* @date 2020-12-15T0520+0100
* @var str
*/
const C_STR_CUSTOM_CSS_NEW = 'footnote_inputfield_custom_css_new';
/**
* Settings Container Key to enable display of legacy Custom CSS metaboxes.
*
* @since 2.2.2
* @date 2020-12-15T0520+0100
* @var str
*
* @since 2.3.0 swap Boolean from 'migration complete' to 'show legacy'
* @date 2020-12-27T1233+0100
*
* The Boolean must be false if its setting is contained in the container to be hidden,
* because when saving, all missing constants are emptied, and to_bool() converts empty to false.
*/
const C_STR_CUSTOM_CSS_LEGACY_ENABLE = 'footnote_inputfield_custom_css_legacy_enable';
/**
* Settings Container Key to enable the 'the_title' hook.
*
* @since 1.5.5
* @var str
*/
const C_STR_EXPERT_LOOKUP_THE_TITLE = 'footnote_inputfield_expert_lookup_the_title';
/**
* Settings Container Key to enable the 'the_content' hook.
*
* @since 1.5.5
* @var str
*/
const C_STR_EXPERT_LOOKUP_THE_CONTENT = 'footnote_inputfield_expert_lookup_the_content';
/**
* Settings Container Key to enable the 'the_excerpt' hook.
*
* @since 1.5.5
* @var str
*/
const C_STR_EXPERT_LOOKUP_THE_EXCERPT = 'footnote_inputfield_expert_lookup_the_excerpt';
/**
* Settings Container Key to enable the 'widget_title' hook.
*
* @since 1.5.5
* @var str
*/
const C_STR_EXPERT_LOOKUP_WIDGET_TITLE = 'footnote_inputfield_expert_lookup_widget_title';
/**
* Settings Container Key to enable the 'widget_text' hook.
*
* @since 1.5.5
* @var str
*/
const C_STR_EXPERT_LOOKUP_WIDGET_TEXT = 'footnote_inputfield_expert_lookup_widget_text';
/**
* Settings Container Key for the label of the Read-on button in truncated tooltips.
*
* - Adding: Tooltips: Read-on button: Label: configurable instead of localizable, thanks to @rovanov example provision.
*
* @since 2.1.0
* @date 2020-11-08T2106+0100
*
* @reporter @rovanov
* @link https://wordpress.org/support/topic/offset-x-axis-and-offset-y-axis-does-not-working/
*
* @var str
*/
const C_STR_FOOTNOTES_TOOLTIP_READON_LABEL = 'footnote_inputfield_readon_label';
/**
* Settings Container Key for the referrer element.
*
* - Bugfix: Referrers: new setting for vertical align: superscript (default) or baseline (optional), thanks to @cwbayer bug report.
*
* @since 2.1.1
* @date 2020-11-16T0859+0100
*
* @reporter @cwbayer
* @link https://wordpress.org/support/topic/footnote-number-in-text-superscript-disrupts-leading/
*
* @var str
*/
const C_STR_FOOTNOTES_REFERRER_SUPERSCRIPT_TAGS = 'footnotes_inputfield_referrer_superscript_tags';
/**
* Settings Container Key to enable the display of a backlink symbol.
*
* - Bugfix: Reference container: Backlink symbol: make optional, not suggest configuring it to invisible, thanks to @spaceling feedback.
*
* @since 2.1.1
*
* @reporter @spaceling
* @link https://wordpress.org/support/topic/change-the-position-5/page/2/#post-13671138
*
* @var str
*/
const C_STR_REFERENCE_CONTAINER_BACKLINK_SYMBOL_ENABLE = 'footnotes_inputfield_reference_container_backlink_symbol_enable';
/**
* Settings Container Key to not display the reference container on the homepage.
*
* - Bugfix: Reference container: fix start pages by making its display optional, thanks to @dragon013 bug report.
*
* @since 2.1.1
*
* @reporter @dragon013
* @link https://wordpress.org/support/topic/possible-to-hide-it-from-start-page/
*
* @var str
*/
const C_STR_REFERENCE_CONTAINER_START_PAGE_ENABLE = 'footnotes_inputfield_reference_container_start_page_enable';
/**
* Settings Container Key to enable the legacy layout of the reference container.
*
* - Bugfix: Reference container: option to restore pre-2.0.0 layout with the backlink symbol in an extra column.
*
* @since 2.1.1
* @var str
*/
const C_STR_REFERENCE_CONTAINER_3COLUMN_LAYOUT_ENABLE = 'footnotes_inputfield_reference_container_3column_layout_enable';
/**
* Settings Container Key to get the backlink symbol switch side.
*
* - Bugfix: Reference container: option to append symbol (prepended by default), thanks to @spaceling code contribution.
*
* @since 2.1.1
* @date 2020-11-16T2024+0100
*
* @contributor @spaceling
* @link https://wordpress.org/support/topic/change-the-position-5/#post-13615994
*
* @var str
*/
const C_STR_REFERENCE_CONTAINER_BACKLINK_SYMBOL_SWITCH = 'footnotes_inputfield_reference_container_backlink_symbol_switch';
/**
* Settings Container Key for 'the_content' hook priority level.
*
* @since 2.1.1
* @date 2020-11-16T0859+0100
*
* @var str
*/
const C_INT_EXPERT_LOOKUP_THE_CONTENT_PRIORITY_LEVEL = 'footnote_inputfield_expert_lookup_the_content_priority_level';
/**
* Settings Container Key for '' hook priority level
*
* @since 2.1.2
* @date 2020-11-20T0620+0100
*
* @var str
*/
const C_INT_EXPERT_LOOKUP_THE_TITLE_PRIORITY_LEVEL = 'footnote_inputfield_expert_lookup_the_title_priority_level';
const C_INT_EXPERT_LOOKUP_WIDGET_TITLE_PRIORITY_LEVEL = 'footnote_inputfield_expert_lookup_widget_title_priority_level';
const C_INT_EXPERT_LOOKUP_WIDGET_TEXT_PRIORITY_LEVEL = 'footnote_inputfield_expert_lookup_widget_text_priority_level';
const C_INT_EXPERT_LOOKUP_THE_EXCERPT_PRIORITY_LEVEL = 'footnote_inputfield_expert_lookup_the_excerpt_priority_level';
/**
* Settings Container Keys for the link element option
* Settings Container Keys for backlink typography and layout
* Settings Container Keys for tooltip font size
* Settings Container Keys for page layout support
* Settings Container Keys for scroll offset and duration
* Settings Container Keys for tooltip display durations
*
* @since 2.1.4
* @var str|bool|int|flo
*
* 2020-11-26T1002+0100
* 2020-11-30T0427+0100
* 2020-12-03T0501+0100
* 2020-12-05T0425+0100
*/
// Link element option.
const C_STR_LINK_ELEMENT_ENABLED = 'footnote_inputfield_link_element_enabled';
// Backlink typography.
const C_STR_BACKLINKS_SEPARATOR_ENABLED = 'footnotes_inputfield_backlinks_separator_enabled';
const C_STR_BACKLINKS_SEPARATOR_OPTION = 'footnotes_inputfield_backlinks_separator_option';
const C_STR_BACKLINKS_SEPARATOR_CUSTOM = 'footnotes_inputfield_backlinks_separator_custom';
const C_STR_BACKLINKS_TERMINATOR_ENABLED = 'footnotes_inputfield_backlinks_terminator_enabled';
const C_STR_BACKLINKS_TERMINATOR_OPTION = 'footnotes_inputfield_backlinks_terminator_option';
const C_STR_BACKLINKS_TERMINATOR_CUSTOM = 'footnotes_inputfield_backlinks_terminator_custom';
// Backlink layout.
const C_STR_BACKLINKS_COLUMN_WIDTH_ENABLED = 'footnotes_inputfield_backlinks_column_width_enabled';
const C_INT_BACKLINKS_COLUMN_WIDTH_SCALAR = 'footnotes_inputfield_backlinks_column_width_scalar';
const C_STR_BACKLINKS_COLUMN_WIDTH_UNIT = 'footnotes_inputfield_backlinks_column_width_unit';
const C_STR_BACKLINKS_COLUMN_MAX_WIDTH_ENABLED = 'footnotes_inputfield_backlinks_column_max_width_enabled';
const C_INT_BACKLINKS_COLUMN_MAX_WIDTH_SCALAR = 'footnotes_inputfield_backlinks_column_max_width_scalar';
const C_STR_BACKLINKS_COLUMN_MAX_WIDTH_UNIT = 'footnotes_inputfield_backlinks_column_max_width_unit';
const C_STR_BACKLINKS_LINE_BREAKS_ENABLED = 'footnotes_inputfield_backlinks_line_breaks_enabled';
// Tooltip font size.
// Called mouse over box not tooltip for consistency.
const C_STR_MOUSE_OVER_BOX_FONT_SIZE_ENABLED = 'footnotes_inputfield_mouse_over_box_font_size_enabled';
const C_FLO_MOUSE_OVER_BOX_FONT_SIZE_SCALAR = 'footnotes_inputfield_mouse_over_box_font_size_scalar';
const C_STR_MOUSE_OVER_BOX_FONT_SIZE_UNIT = 'footnotes_inputfield_mouse_over_box_font_size_unit';
// Page layout support.
const C_STR_FOOTNOTES_PAGE_LAYOUT_SUPPORT = 'footnotes_inputfield_page_layout_support';
/**
* Scroll offset and duration
*
* - Bugfix: Scroll offset: make configurable to fix site-dependent issues related to fixed headers.
* - Bugfix: Scroll duration: make configurable to conform to website content and style requirements.
*
* @since 2.1.4
* @date 2020-12-05T0538+0100
*/
// Scroll offset and duration.
const C_INT_FOOTNOTES_SCROLL_OFFSET = 'footnotes_inputfield_scroll_offset';
const C_INT_FOOTNOTES_SCROLL_DURATION = 'footnotes_inputfield_scroll_duration';
// Tooltip display durations.
// Called mouse over box not tooltip for consistency.
const C_INT_MOUSE_OVER_BOX_FADE_IN_DELAY = 'footnotes_inputfield_mouse_over_box_fade_in_delay';
const C_INT_MOUSE_OVER_BOX_FADE_IN_DURATION = 'footnotes_inputfield_mouse_over_box_fade_in_duration';
const C_INT_MOUSE_OVER_BOX_FADE_OUT_DELAY = 'footnotes_inputfield_mouse_over_box_fade_out_delay';
const C_INT_MOUSE_OVER_BOX_FADE_OUT_DURATION = 'footnotes_inputfield_mouse_over_box_fade_out_duration';
/**
* Settings Container Key for URL wrap option
*
* This is made optional because it causes weird line breaks.
* Unicode-compliant browsers break URLs at slashes.
*
* @since 2.1.6
* @var str
*
* 2020-12-09T1554+0100..2020-12-13T1313+0100
*/
const C_STR_FOOTNOTE_URL_WRAP_ENABLED = 'footnote_inputfield_url_wrap_enabled';
/**
* Settings Container Key for reference container position shortcode
*
* @since 2.2.0
* @var str
*
* 2020-12-13T2056+0100
*/
const C_STR_REFERENCE_CONTAINER_POSITION_SHORTCODE = 'footnote_inputfield_reference_container_position_shortcode';
/**
* Settings Container Keys for alternative tooltip position
* Settings Container Keys for reference container label element, thanks to @markhillyer
*
* @link https://wordpress.org/support/topic/how-do-i-eliminate-the-horizontal-line-beneath-the-reference-container-heading/
*
* @since 2.2.5
* @var int
*
* 2020-12-17T0746+0100
* 2020-12-18T1509+0100
*/
const C_STR_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_POSITION = 'footnotes_inputfield_alternative_mouse_over_box_position';
const C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_OFFSET_X = 'footnotes_inputfield_alternative_mouse_over_box_offset_x';
const C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_OFFSET_Y = 'footnotes_inputfield_alternative_mouse_over_box_offset_y';
const C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_WIDTH = 'footnotes_inputfield_alternative_mouse_over_box_width';
const C_STR_REFERENCE_CONTAINER_LABEL_ELEMENT = 'footnotes_inputfield_reference_container_label_element';
const C_STR_REFERENCE_CONTAINER_LABEL_BOTTOM_BORDER = 'footnotes_inputfield_reference_container_label_bottom_border';
/**
* Settings Container Key for table cell borders, thanks to @noobishh
*
* @link https://wordpress.org/support/topic/borders-25/
*
* @since 2.2.10
* @var str
*
* 2020-12-25T2311+0100
*/
const C_STR_REFERENCE_CONTAINER_ROW_BORDERS_ENABLE = 'footnotes_inputfield_reference_container_row_borders_enable';
/**
* Settings container keys for reference container top and bottom margins
* Settings container keys for hard link enabling
* Settings container keys for hard link anchors in referrers and footnotes
*
* @since 2.3.0
* @var int|bool|str
*
* 2020-12-29T0914+0100
*/
const C_INT_REFERENCE_CONTAINER_TOP_MARGIN = 'footnotes_inputfield_reference_container_top_margin';
const C_INT_REFERENCE_CONTAINER_BOTTOM_MARGIN = 'footnotes_inputfield_reference_container_bottom_margin';
const C_STR_FOOTNOTES_HARD_LINKS_ENABLE = 'footnotes_inputfield_hard_links_enable';
const C_STR_REFERRER_FRAGMENT_ID_SLUG = 'footnotes_inputfield_referrer_fragment_id_slug';
const C_STR_FOOTNOTE_FRAGMENT_ID_SLUG = 'footnotes_inputfield_footnote_fragment_id_slug';
const C_STR_HARD_LINK_IDS_SEPARATOR = 'footnotes_inputfield_hard_link_ids_separator';
/**
* Settings container key for shortcode syntax validation.
*
* @since 2.4.0
* @date 2021-01-01T0616+0100
*
* @var str
*/
const C_STR_FOOTNOTE_SHORTCODE_SYNTAX_VALIDATION_ENABLE = 'footnotes_inputfield_shortcode_syntax_validation_enable';
/**
* Settings container key to enable backlink tooltips.
*
* - Update: Reference container: Hard backlinks (optional): optional configurable tooltip hinting to use the backbutton instead, thanks to @theroninjedi47 bug report.
*
* @since 2.5.4
*
* @reporter @theroninjedi47
* @link https://wordpress.org/support/topic/hyperlinked-footnotes-creating-excessive-back-history/
*
* When hard links are enabled, clicks on the backlinks are logged in the browsing history,
* along with clicks on the referrers.
* This tooltip hints to use the backbutton instead, so the history gets streamlined again.
* @link https://wordpress.org/support/topic/making-it-amp-compatible/#post-13837359
*
* @var str
*/
const C_STR_FOOTNOTES_BACKLINK_TOOLTIP_ENABLE = 'footnotes_inputfield_backlink_tooltip_enable';
/**
* Settings container key to configure the backlink tooltip.
*
* - Update: Reference container: Hard backlinks (optional): optional configurable tooltip hinting to use the backbutton instead, thanks to @theroninjedi47 bug report.
*
* @since 2.5.4
*
* @reporter @theroninjedi47
* @link https://wordpress.org/support/topic/hyperlinked-footnotes-creating-excessive-back-history/
*
* @var str
*/
const C_STR_FOOTNOTES_BACKLINK_TOOLTIP_TEXT = 'footnotes_inputfield_backlink_tooltip_text';
/**
* Settings container key to configure the tooltip excerpt delimiter.
*
* - Update: Tooltips: ability to display dedicated content before `[[/tooltip]]`, thanks to @jbj2199 issue report.
*
* The first implementation used a fixed shortcode provided in the changelog.
* But Footnotes UI design policy is to make shortcodes freely configurable.
*
* @since 2.5.4
*
* @reporter @jbj2199
* @link https://wordpress.org/support/topic/change-tooltip-text/
*
* Tooltips can display another content than the footnote entry
* in the reference container. The trigger is a shortcode in
* the footnote text separating the tooltip text from the note.
* That is consistent with what WordPress does for excerpts.
*
* @var str
*/
const C_STR_FOOTNOTES_TOOLTIP_EXCERPT_DELIMITER = 'footnotes_inputfield_tooltip_excerpt_delimiter';
/**
* Settings container key to enable mirroring the tooltip excerpt in the reference container.
*
* @since 2.5.4
* @var str
*
* Tooltips, even jQuery-driven, may be hard to consult on mobiles.
* This option allows to read the tooltip content in the reference container too.
* @link https://wordpress.org/support/topic/change-tooltip-text/#post-13935050
* But this must not be the default behavior.
* @link https://wordpress.org/support/topic/change-tooltip-text/#post-13935488
*/
const C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_ENABLE = 'footnotes_inputfield_tooltip_excerpt_mirror_enable';
/**
* Settings container key to configure the tooltip excerpt separator in the reference container.
*
* @since 2.5.4
* @var str
*/
const C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_SEPARATOR = 'footnotes_inputfield_tooltip_excerpt_mirror_separator';
/**
* Settings container key to enable superscript style normalization.
*
* -Bugfix: Referrers: optional fixes to vertical alignment, font size and position (static) for in-theme consistency and cross-theme stability, thanks to @tomturowski bug report.
*
* @since 2.5.4
*
* @reporter @tomturowski
* @link https://wordpress.org/support/topic/in-line-superscript-ref-rides-to-high/
*
* @var str
*/
const C_STR_FOOTNOTE_REFERRERS_NORMAL_SUPERSCRIPT = 'footnotes_inputfield_referrers_normal_superscript';
/**
* Settings container key to select the script mode for the reference container.
*
* - Bugfix: Reference container: optional alternative expanding and collapsing without jQuery for use with hard links, thanks to @hopper87it @pkverma99 issue reports.
*
* @since 2.5.6
*
* @reporter @hopper87it
* @link https://wordpress.org/support/topic/footnotes-wp-rocket/
*
* @var str
*/
const C_STR_FOOTNOTES_REFERENCE_CONTAINER_SCRIPT_MODE = 'footnotes_inputfield_reference_container_script_mode';
/**
* SETTINGS STORAGE
*/
/**
* Stores a singleton reference of this class.
*
* @since 1.5.0
* @var MCI_Footnotes_Settings
*/
private static $a_obj_instance = null;
/**
* Contains all Settings Container names.
*
* @since 1.5.0
* @var array
*
* Edited.
* 2.2.2 added tab for Custom CSS 2020-12-15T0740+0100
*
* These are the storage container names, one per dashboard tab.
*/
private $a_arr_container = array(
'footnotes_storage',
'footnotes_storage_custom',
'footnotes_storage_expert',
'footnotes_storage_custom_css',
);
/**
* Contains all Default Settings for each Settings Container.
*
* @since 1.5.0
* @var array
*
* Edited multiple times.
*
* @since 2.1.3 excerpt hook: disable by default, thanks to @nikelaos
* @link https://wordpress.org/support/topic/doesnt-work-any-more-11/#post-13687068
*/
private $a_arr_default = array(
'footnotes_storage' => array(
self::C_STR_FOOTNOTES_SHORT_CODE_START => '((',
self::C_STR_FOOTNOTES_SHORT_CODE_END => '))',
self::C_STR_FOOTNOTES_SHORT_CODE_START_USER_DEFINED => '',
self::C_STR_FOOTNOTES_SHORT_CODE_END_USER_DEFINED => '',
self::C_STR_FOOTNOTE_SHORTCODE_SYNTAX_VALIDATION_ENABLE => 'yes',
self::C_STR_FOOTNOTES_COUNTER_STYLE => 'arabic_plain',
self::C_STR_COMBINE_IDENTICAL_FOOTNOTES => 'yes',
self::C_STR_FOOTNOTES_HARD_LINKS_ENABLE => 'no',
self::C_STR_REFERRER_FRAGMENT_ID_SLUG => 'r',
self::C_STR_FOOTNOTE_FRAGMENT_ID_SLUG => 'f',
self::C_STR_HARD_LINK_IDS_SEPARATOR => '+',
self::C_INT_FOOTNOTES_SCROLL_OFFSET => 20,
self::C_INT_FOOTNOTES_SCROLL_DURATION => 380,
// 2.5.4 fast-tracked.
self::C_STR_FOOTNOTES_BACKLINK_TOOLTIP_ENABLE => 'yes',
self::C_STR_FOOTNOTES_BACKLINK_TOOLTIP_TEXT => 'Alt+ ←',
self::C_STR_REFERENCE_CONTAINER_NAME => 'References',
self::C_STR_REFERENCE_CONTAINER_LABEL_ELEMENT => 'p',
self::C_STR_REFERENCE_CONTAINER_LABEL_BOTTOM_BORDER => 'yes',
self::C_STR_REFERENCE_CONTAINER_COLLAPSE => 'no',
self::C_STR_FOOTNOTES_REFERENCE_CONTAINER_SCRIPT_MODE => 'jquery',
self::C_STR_REFERENCE_CONTAINER_POSITION => 'post_end',
self::C_STR_REFERENCE_CONTAINER_POSITION_SHORTCODE => '[[references]]',
self::C_STR_REFERENCE_CONTAINER_START_PAGE_ENABLE => 'yes',
// Whether to enqueue additional stylesheet.
self::C_STR_FOOTNOTES_PAGE_LAYOUT_SUPPORT => 'none',
// Top and bottom margins.
self::C_INT_REFERENCE_CONTAINER_TOP_MARGIN => 24,
self::C_INT_REFERENCE_CONTAINER_BOTTOM_MARGIN => 0,
// Table cell borders.
self::C_STR_REFERENCE_CONTAINER_ROW_BORDERS_ENABLE => 'no',
// Backlink symbol.
self::C_STR_REFERENCE_CONTAINER_3COLUMN_LAYOUT_ENABLE => 'no',
self::C_STR_REFERENCE_CONTAINER_BACKLINK_SYMBOL_ENABLE => 'yes',
self::C_STR_REFERENCE_CONTAINER_BACKLINK_SYMBOL_SWITCH => 'no',
// Backlink separators and terminators are often not preferred..
// But a choice must be provided along with the ability to customize.
self::C_STR_BACKLINKS_SEPARATOR_ENABLED => 'yes',
self::C_STR_BACKLINKS_SEPARATOR_OPTION => 'comma',
self::C_STR_BACKLINKS_SEPARATOR_CUSTOM => '',
self::C_STR_BACKLINKS_TERMINATOR_ENABLED => 'no',
self::C_STR_BACKLINKS_TERMINATOR_OPTION => 'full_stop',
self::C_STR_BACKLINKS_TERMINATOR_CUSTOM => '',
// Set backlinks column width.
self::C_STR_BACKLINKS_COLUMN_WIDTH_ENABLED => 'no',
self::C_INT_BACKLINKS_COLUMN_WIDTH_SCALAR => '50',
self::C_STR_BACKLINKS_COLUMN_WIDTH_UNIT => 'px',
// Set backlinks column max. width.
self::C_STR_BACKLINKS_COLUMN_MAX_WIDTH_ENABLED => 'no',
self::C_INT_BACKLINKS_COLUMN_MAX_WIDTH_SCALAR => '140',
self::C_STR_BACKLINKS_COLUMN_MAX_WIDTH_UNIT => 'px',
// Whether a <br /> tag is inserted.
self::C_STR_BACKLINKS_LINE_BREAKS_ENABLED => 'no',
// Whether to enable URL line wrapping.
self::C_STR_FOOTNOTE_URL_WRAP_ENABLED => 'yes',
// Whether to use link elements.
self::C_STR_LINK_ELEMENT_ENABLED => 'yes',
// Excerpt should be disabled.
self::C_STR_FOOTNOTES_IN_EXCERPT => 'no',
self::C_STR_FOOTNOTES_EXPERT_MODE => 'yes',
self::C_STR_FOOTNOTES_LOVE => 'no',
),
'footnotes_storage_custom' => array(
self::C_STR_HYPERLINK_ARROW => '&#8593;',
self::C_STR_HYPERLINK_ARROW_USER_DEFINED => '',
self::C_STR_FOOTNOTES_TOOLTIP_READON_LABEL => 'Continue reading',
self::C_STR_FOOTNOTES_REFERRER_SUPERSCRIPT_TAGS => 'yes',
self::C_STR_FOOTNOTES_STYLING_BEFORE => '[',
self::C_STR_FOOTNOTES_STYLING_AFTER => ']',
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_ENABLED => 'yes',
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_ALTERNATIVE => 'no',
// The mouse over content truncation should be enabled by default.
// To raise awareness of the functionality and to prevent the screen.
// From being filled at mouse-over, and to allow the Continue reading.
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_EXCERPT_ENABLED => 'yes',
// The truncation length is raised from 150 to 200 chars.
self::C_INT_FOOTNOTES_MOUSE_OVER_BOX_EXCERPT_LENGTH => 200,
// 2.5.4 fast-tracked.
self::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_DELIMITER => '[[/tooltip]]',
self::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_ENABLE => 'no',
self::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_SEPARATOR => ' — ',
self::C_STR_FOOTNOTE_REFERRERS_NORMAL_SUPERSCRIPT => 'no',
// The default position should not be lateral because of the risk.
// The box gets squeezed between note anchor at line end and window edge,.
// And top because reading at the bottom of the window is more likely.
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_POSITION => 'top center',
self::C_INT_FOOTNOTES_MOUSE_OVER_BOX_OFFSET_X => 0,
// The vertical offset must be negative for the box not to cover.
// The current line of text (web coordinates origin is top left).
self::C_INT_FOOTNOTES_MOUSE_OVER_BOX_OFFSET_Y => -7,
// The width should be limited to start with, for the box to have shape.
self::C_INT_FOOTNOTES_MOUSE_OVER_BOX_MAX_WIDTH => 450,
// Fixed width is for alternative tooltips, cannot reuse max-width nor offsets.
self::C_STR_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_POSITION => 'top right',
self::C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_OFFSET_X => -50,
self::C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_OFFSET_Y => 24,
self::C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_WIDTH => 400,
// Tooltip display durations.
// Called mouse over box not tooltip for consistency.
self::C_INT_MOUSE_OVER_BOX_FADE_IN_DELAY => 0,
self::C_INT_MOUSE_OVER_BOX_FADE_IN_DURATION => 200,
self::C_INT_MOUSE_OVER_BOX_FADE_OUT_DELAY => 400,
self::C_INT_MOUSE_OVER_BOX_FADE_OUT_DURATION => 200,
// Tooltip font size reset to legacy by default since 2.1.4;.
// Was set to inherit since 2.1.1 as it overrode custom CSS,.
// Is moved to settings since 2.1.4 2020-12-04T1023+0100.
self::C_STR_MOUSE_OVER_BOX_FONT_SIZE_ENABLED => 'yes',
self::C_FLO_MOUSE_OVER_BOX_FONT_SIZE_SCALAR => 13,
self::C_STR_MOUSE_OVER_BOX_FONT_SIZE_UNIT => 'px',
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_COLOR => '',
// The mouse over box shouldnt feature a colored background.
// By default, due to diverging user preferences. White is neutral.
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_BACKGROUND => '#ffffff',
self::C_INT_FOOTNOTES_MOUSE_OVER_BOX_BORDER_WIDTH => 1,
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_BORDER_COLOR => '#cccc99',
// The mouse over box corners mustnt be rounded as that is outdated.
self::C_INT_FOOTNOTES_MOUSE_OVER_BOX_BORDER_RADIUS => 0,
self::C_STR_FOOTNOTES_MOUSE_OVER_BOX_SHADOW_COLOR => '#666666',
// Custom CSS migrates to a dedicated tab.
self::C_STR_CUSTOM_CSS => '',
),
'footnotes_storage_expert' => array(
// These are checkboxes; keyword 'checked' is converted to Boolean true,.
// Empty string to false (default).
// Titles should all be enabled by default to prevent users from.
// Thinking at first that the feature is broken in post titles..
// See <https://wordpress.org/support/topic/more-feature-ideas/>.
// Yet in titles, footnotes are still buggy, because WordPress.
// Uses the title string in menus and in the title element..
self::C_STR_EXPERT_LOOKUP_THE_TITLE => '',
self::C_STR_EXPERT_LOOKUP_THE_CONTENT => 'checked',
// And the_excerpt is disabled by default following @nikelaos in.
// <https://wordpress.org/support/topic/jquery-comes-up-in-feed-content/#post-13110879>.
// <https://wordpress.org/support/topic/doesnt-work-any-more-11/#post-13687068>.
self::C_STR_EXPERT_LOOKUP_THE_EXCERPT => '',
self::C_STR_EXPERT_LOOKUP_WIDGET_TITLE => '',
// The widget_text hook must be disabled by default, because it causes.
// Multiple reference containers to appear in Elementor accordions, but.
// It must be enabled if multiple reference containers are desired, as.
// In Elementor toggles..
self::C_STR_EXPERT_LOOKUP_WIDGET_TEXT => '',
// Initially hard-coded default.
// Shows "9223372036854780000" instead of 9223372036854775807 in the numbox.
// Empty should be interpreted as PHP_INT_MAX, but a numbox cannot be set to empty.
// <https://github.com/Modernizr/Modernizr/issues/171>.
// Interpret -1 as PHP_INT_MAX instead.
self::C_INT_EXPERT_LOOKUP_THE_TITLE_PRIORITY_LEVEL => PHP_INT_MAX,
// Priority level of the_content and of widget_text as the only relevant.
// Hooks must be less than 99 because social buttons may yield scripts.
// That contain the strings '((' and '))', i.e. the default footnote.
// Start and end short codes, causing issues with fake footnotes..
self::C_INT_EXPERT_LOOKUP_THE_CONTENT_PRIORITY_LEVEL => 98,
self::C_INT_EXPERT_LOOKUP_THE_EXCERPT_PRIORITY_LEVEL => PHP_INT_MAX,
self::C_INT_EXPERT_LOOKUP_WIDGET_TITLE_PRIORITY_LEVEL => PHP_INT_MAX,
self::C_INT_EXPERT_LOOKUP_WIDGET_TEXT_PRIORITY_LEVEL => 98,
),
'footnotes_storage_custom_css' => array(
self::C_STR_CUSTOM_CSS_LEGACY_ENABLE => 'yes',
self::C_STR_CUSTOM_CSS_NEW => '',
),
);
/**
* Contains all Settings from each Settings container as soon as this class is initialized.
*
* @since 1.5.0
* @var array
*/
private $a_arr_settings = array();
/**
* Class Constructor. Loads all Settings from each WordPress Settings container.
*
* @since 1.5.0
*/
private function __construct() {
$this->load_all();
}
/**
* Returns a singleton of this class.
*
* @since 1.5.0
* @return MCI_Footnotes_Settings
*/
public static function instance() {
// No instance defined yet, load it.
if ( ! self::$a_obj_instance ) {
self::$a_obj_instance = new self();
}
// Return a singleton of this class.
return self::$a_obj_instance;
}
/**
* Returns the name of a specified Settings Container.
*
* @since 1.5.0
* @param int $p_int_index Settings Container Array Key Index.
* @return str Settings Container name.
*/
public function get_container( $p_int_index ) {
return $this->a_arr_container[ $p_int_index ];
}
/**
* Returns the default values of a specific Settings Container.
*
* @since 1.5.6
* @param int $p_int_index Settings Container Aray Key Index.
* @return array
*/
public function get_defaults( $p_int_index ) {
return $this->a_arr_default[ $this->a_arr_container[ $p_int_index ] ];
}
/**
* Loads all Settings from each Settings container.
*
* @since 1.5.0
*/
private function load_all() {
// Clear current settings.
$this->a_arr_settings = array();
$num_settings = count( $this->a_arr_container );
for ( $i = 0; $i < $num_settings; $i++ ) {
// Load settings.
$this->a_arr_settings = array_merge( $this->a_arr_settings, $this->load( $i ) );
}
}
/**
* Loads all Settings from specified Settings Container.
*
* @since 1.5.0
* @param int $p_int_index Settings Container Array Key Index.
* @return array Settings loaded from Container of Default Settings if Settings Container is empty (first usage).
*
* @since ditched trimming whitespace from text box content in response to user request.
* @link https://wordpress.org/support/topic/leading-space-in-footnotes-tag/#post-5347966
*/
private function load( $p_int_index ) {
// Load all settings from container.
$l_arr_options = get_option( $this->get_container( $p_int_index ) );
// Load all default settings.
$l_arr_default = $this->a_arr_default[ $this->get_container( $p_int_index ) ];
// No settings found, set them to their default value.
if ( empty( $l_arr_options ) ) {
return $l_arr_default;
}
// Iterate through all available settings ( = default values).
foreach ( $l_arr_default as $l_str_key => $l_str_value ) {
// Available setting not found in the container.
if ( ! array_key_exists( $l_str_key, $l_arr_options ) ) {
// Define the setting with its default value.
$l_arr_options[ $l_str_key ] = $l_str_value;
}
}
// Iterate through each setting in the container.
foreach ( $l_arr_options as $l_str_key => $l_str_value ) {
// Remove all whitespace at the beginning and end of a setting.
// Trimming whitespace is ditched.
// $l_str_value = trim($l_str_value);.
// Write the sanitized value back to the setting container.
$l_arr_options[ $l_str_key ] = $l_str_value;
}
// Return settings loaded from Container.
return $l_arr_options;
}
/**
* Updates a whole Settings container.
*
* @since 1.5.0
* @param int $p_int_index Index of the Settings container.
* @param array $p_arr_new_values new Settings.
* @return bool
*/
public function save_options( $p_int_index, $p_arr_new_values ) {
if ( update_option( $this->get_container( $p_int_index ), $p_arr_new_values ) ) {
$this->load_all();
return true;
}
return false;
}
/**
* Returns the value of specified Settings name.
*
* @since 1.5.0
* @param string $p_str_key Settings Array Key name.
* @return mixed Value of the Setting on Success or Null in Settings name is invalid.
*/
public function get( $p_str_key ) {
return array_key_exists( $p_str_key, $this->a_arr_settings ) ? $this->a_arr_settings[ $p_str_key ] : null;
}
/**
* Deletes each Settings Container and loads the default values for each Settings Container.
*
* @since 1.5.0
*
* Edit: This didnt actually work.
* @since 2.2.0 this function is not called any longer when deleting the plugin,
* to protect user data against loss, since manually updating a plugin is safer
* done by deleting and reinstalling (see the warning about database backup).
* 2020-12-13T1353+0100
*/
public function clear_all() {
// Iterate through each Settings Container.
$num_settings = count( $this->a_arr_container );
for ( $i = 0; $i < $num_settings; $i++ ) {
// Delete the settings container.
delete_option( $this->get_container( $i ) );
}
// Set settings back to the default values.
$this->a_arr_settings = $this->a_arr_default;
}
/**
* Register all Settings Container for the Plugin Settings Page in the Dashboard.
* Settings Container Label will be the same as the Settings Container Name.
*
* @since 1.5.0
*/
public function register_settings() {
// Register all settings.
$num_settings = count( $this->a_arr_container );
for ( $i = 0; $i < $num_settings; $i++ ) {
register_setting( $this->get_container( $i ), $this->get_container( $i ) );
}
}
}