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footnotes/class/dashboard/layout.php

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2021-02-23 16:00:59 +00:00
<?php
/**
* Includes Layout Engine for the admin dashboard.
*
* @filesource
* @author Stefan Herndler
* @since 1.5.0 12.09.14 10:56
*
* @lastmodified 2021-02-18T2021+0100
*
* @since 2.1.2 add versioning of settings.css for cache busting 2020-11-19T1456+0100
* @since 2.1.4 automate passing version number for cache busting 2020-11-30T0648+0100
* @since 2.1.4 optional step argument and support for floating in numbox 2020-12-05T0540+0100
* @since 2.1.6 fix punctuation-related localization issue in dashboard labels 2020-12-08T1547+0100
*
* @since 2.5.5 Bugfix: Stylesheets: minify to shrink the carbon footprint, increase speed and implement best practice, thanks to @docteurfitness issue report.
*/
/**
* Layout Engine for the administration dashboard.
*
* @author Stefan Herndler
* @since 1.5.0
*/
abstract class MCI_Footnotes_LayoutEngine {
/**
* Stores the Hook connection string for the child sub page.
*
* @author Stefan Herndler
* @since 1.5.0
* @var null|string
*/
protected $a_str_SubPageHook = null;
/**
* Stores all Sections for the child sub page.
*
* @author Stefan Herndler
* @since 1.5.0
* @var array
*/
protected $a_arr_Sections = array();
/**
* Returns a Priority index. Lower numbers have a higher Priority.
*
* @author Stefan Herndler
* @since 1.5.0
* @return int
*/
abstract public function getPriority();
/**
* Returns the unique slug of the child sub page.
*
* @author Stefan Herndler
* @since 1.5.0
* @return string
*/
abstract protected function getSubPageSlug();
/**
* Returns the title of the child sub page.
*
* @author Stefan Herndler
* @since 1.5.0
* @return string
*/
abstract protected function getSubPageTitle();
/**
* Returns an array of all registered sections for a sub page.
*
* @author Stefan Herndler
* @since 1.5.0
* @return array
*/
abstract protected function getSections();
/**
* Returns an array of all registered meta boxes.
*
* @author Stefan Herndler
* @since 1.5.0
* @return array
*/
abstract protected function getMetaBoxes();
/**
* Returns an array describing a sub page section.
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_ID Unique ID suffix.
* @param string $p_str_Title Title of the section.
* @param int $p_int_SettingsContainerIndex Settings Container Index.
* @param bool $p_bool_hasSubmitButton Should a Submit Button be displayed for this section, default: true.
* @return array Array describing the section.
*/
protected function addSection($p_str_ID, $p_str_Title, $p_int_SettingsContainerIndex, $p_bool_hasSubmitButton = true) {
return array("id" => MCI_Footnotes_Config::C_STR_PLUGIN_NAME . "-" . $p_str_ID, "title" => $p_str_Title, "submit" => $p_bool_hasSubmitButton, "container" => $p_int_SettingsContainerIndex);
}
/**
* Returns an array describing a meta box.
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SectionID Parent Section ID.
* @param string $p_str_ID Unique ID suffix.
* @param string $p_str_Title Title for the meta box.
* @param string $p_str_CallbackFunctionName Class method name for callback.
* @return array meta box description to be able to append a meta box to the output.
*/
protected function addMetaBox($p_str_SectionID, $p_str_ID, $p_str_Title, $p_str_CallbackFunctionName) {
return array(
"parent" => MCI_Footnotes_Config::C_STR_PLUGIN_NAME . "-" . $p_str_SectionID,
"id" => $p_str_ID,
"title" => $p_str_Title,
"callback" => $p_str_CallbackFunctionName
);
}
/**
* Registers a sub page.
*
* @author Stefan Herndler
* @since 1.5.0
*/
public function registerSubPage() {
global $submenu;
// any sub menu for our main menu exists
if (array_key_exists(plugin_basename(MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG), $submenu)) {
// iterate through all sub menu entries of the ManFisher main menu
foreach($submenu[plugin_basename(MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG)] as $l_arr_SubMenu) {
if ($l_arr_SubMenu[2] == plugin_basename(MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG . $this->getSubPageSlug())) {
// remove that sub menu and add it again to move it to the bottom
remove_submenu_page(MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG, MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG .$this->getSubPageSlug());
}
}
}
$this->a_str_SubPageHook = add_submenu_page(
MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG, // parent slug
$this->getSubPageTitle(), // page title
$this->getSubPageTitle(), // menu title
'manage_options', // capability
MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG . $this->getSubPageSlug(), // menu slug
array($this, 'displayContent') // function
);
}
/**
* Registers all sections for a sub page.
*
* @author Stefan Herndler
* @since 1.5.0
*/
public function registerSections() {
// iterate through each section
foreach($this->getSections() as $l_arr_Section) {
// append tab to the tab-array
$this->a_arr_Sections[$l_arr_Section["id"]] = $l_arr_Section;
add_settings_section(
$l_arr_Section["id"], // unique id
"", //$l_arr_Section["title"], // title
array($this, 'Description'), // callback function for the description
$l_arr_Section["id"] // parent sub page slug
);
$this->registerMetaBoxes($l_arr_Section["id"]);
}
}
/**
* Registers all Meta boxes for a sub page.
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_ParentID Parent section unique id.
*/
private function registerMetaBoxes($p_str_ParentID) {
// iterate through each meta box
foreach($this->getMetaBoxes() as $l_arr_MetaBox) {
if ($l_arr_MetaBox["parent"] != $p_str_ParentID) {
continue;
}
add_meta_box(
$p_str_ParentID. "-" . $l_arr_MetaBox["id"], // unique id
$l_arr_MetaBox["title"], // meta box title
array($this, $l_arr_MetaBox["callback"]), // callback function to display (echo) the content
$p_str_ParentID, // post type = parent section id
'main' // context
);
}
}
/**
* Append javascript and css files for specific sub page.
*
* @author Stefan Herndler
* @since 1.5.0
*/
private function appendScripts() {
// enable meta boxes layout and close functionality
wp_enqueue_script('postbox');
// add WordPress color picker layout
wp_enqueue_style('wp-color-picker');
// add WordPress color picker function
wp_enqueue_script('wp-color-picker');
/**
* Registers and enqueues the dashboard stylesheet.
*
* - Bugfix: Stylesheets: minify to shrink the carbon footprint, increase speed and implement best practice, thanks to @docteurfitness issue report.
*
* @since 2.5.5
* @date 2021-02-14T1928+0100
*
* @reporter @docteurfitness
* @link https://wordpress.org/support/topic/simply-speed-optimisation/
*
* See the public stylesheet enqueuing:
* @see class/init.php
*
* added version # after changes started to settings.css from 2.1.2 on.
* automated update of version number for cache busting.
* No need to use '-styles' in the handle, as '-css' is appended automatically.
*/
if ( C_BOOL_CSS_PRODUCTION_MODE === true ) {
wp_register_style( 'mci-footnotes-admin', plugins_url( 'footnotes/css/settings.min.css' ), array(), C_STR_FOOTNOTES_VERSION );
} else {
wp_register_style( 'mci-footnotes-admin', plugins_url( 'footnotes/css/settings.css' ), array(), C_STR_FOOTNOTES_VERSION );
}
wp_enqueue_style('mci-footnotes-admin');
}
/**
* Displays the content of specific sub page.
*
* @author Stefan Herndler
* @since 1.5.0
*/
public function displayContent() {
// register and enqueue scripts and styling
$this->appendScripts();
// get current section
reset($this->a_arr_Sections);
$l_str_ActiveSectionID = isset($_GET['t']) ? $_GET['t'] : key($this->a_arr_Sections);
$l_arr_ActiveSection = $this->a_arr_Sections[$l_str_ActiveSectionID];
// store settings
$l_bool_SettingsUpdated = false;
if (array_key_exists("save-settings", $_POST)) {
if ($_POST["save-settings"] == "save") {
unset($_POST["save-settings"]);
unset($_POST["submit"]);
$l_bool_SettingsUpdated = $this->saveSettings();
}
}
// display all sections and highlight the active section
echo '<div class="wrap">';
echo '<h2 class="nav-tab-wrapper">';
// iterate through all register sections
foreach ($this->a_arr_Sections as $l_str_ID => $l_arr_Description) {
echo sprintf(
'<a class="nav-tab%s" href="?page=%s&t=%s">%s</a>',
$l_arr_ActiveSection["id"] == $l_str_ID ? ' nav-tab-active' : '',
MCI_Footnotes_Layout_Init::C_STR_MAIN_MENU_SLUG . $this->getSubPageSlug(), $l_str_ID, $l_arr_Description["title"]
);
}
echo '</h2><br/>';
if ($l_bool_SettingsUpdated) {
echo sprintf('<div id="message" class="updated">%s</div>', __("Settings saved", MCI_Footnotes_Config::C_STR_PLUGIN_NAME));
}
// form to submit the active section
echo '<!--suppress HtmlUnknownTarget --><form method="post" action="">';
//settings_fields($l_arr_ActiveSection["container"]);
echo '<input type="hidden" name="save-settings" value="save" />';
// outputs the settings field of the active section
do_settings_sections($l_arr_ActiveSection["id"]);
do_meta_boxes($l_arr_ActiveSection["id"], 'main', NULL);
// add submit button to active section if defined
if ($l_arr_ActiveSection["submit"]) {
submit_button();
}
// close the form to submit data
echo '</form>';
// close container for the settings page
echo '</div>';
// output special javascript for the expand/collapse function of the meta boxes
echo '<script type="text/javascript">';
echo "jQuery(document).ready(function ($) {";
echo 'jQuery(".mfmmf-color-picker").wpColorPicker();';
echo "jQuery('.if-js-closed').removeClass('if-js-closed').addClass('closed');";
echo "postboxes.add_postbox_toggles('" . $this->a_str_SubPageHook . "');";
echo "});";
echo '</script>';
}
/**
* Save all Plugin settings.
*
* @author Stefan Herndler
* @since 1.5.0
* @return bool
*/
private function saveSettings() {
$l_arr_newSettings = array();
// get current section
reset($this->a_arr_Sections);
$l_str_ActiveSectionID = isset($_GET['t']) ? $_GET['t'] : key($this->a_arr_Sections);
$l_arr_ActiveSection = $this->a_arr_Sections[$l_str_ActiveSectionID];
// iterate through each value that has to be in the specific container
foreach(MCI_Footnotes_Settings::instance()->getDefaults($l_arr_ActiveSection["container"]) as $l_str_Key => $l_mixed_Value) {
// setting is available in the POST array, use it
if (array_key_exists($l_str_Key, $_POST)) {
$l_arr_newSettings[$l_str_Key] = $_POST[$l_str_Key];
} else {
// setting is not defined in the POST array, define it to avoid the Default value
$l_arr_newSettings[$l_str_Key] = "";
}
}
// update settings
return MCI_Footnotes_Settings::instance()->saveOptions($l_arr_ActiveSection["container"], $l_arr_newSettings);
}
/**
* Output the Description of a section. May be overwritten in any section.
*
* @author Stefan Herndler
* @since 1.5.0
*/
public function Description() {
// default no description will be displayed
}
/**
* Loads specific setting and returns an array with the keys [id, name, value].
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SettingKeyName Settings Array key name.
* @return array Contains Settings ID, Settings Name and Settings Value.
*/
protected function LoadSetting($p_str_SettingKeyName) {
// get current section
reset($this->a_arr_Sections);
$p_arr_Return = array();
$p_arr_Return["id"] = sprintf('%s', $p_str_SettingKeyName);
$p_arr_Return["name"] = sprintf('%s', $p_str_SettingKeyName);
$p_arr_Return["value"] = esc_attr(MCI_Footnotes_Settings::instance()->get($p_str_SettingKeyName));
return $p_arr_Return;
}
/**
* Returns a line break to start a new line.
*
* @author Stefan Herndler
* @since 1.5.0
* @return string
*/
protected function addNewline() {
return '<br/>';
}
/**
* Returns a line break to have a space between two lines.
*
* @author Stefan Herndler
* @since 1.5.0
* @return string
*/
protected function addLineSpace() {
return '<br/><br/>';
}
/**
* Returns a simple text inside html <span> text.
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_Text Message to be surrounded with simple html tag (span).
* @return string
*/
protected function addText($p_str_Text) {
return sprintf('<span>%s</span>', $p_str_Text);
}
/**
* Returns the html tag for an input/select label.
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SettingName Name of the Settings key to connect the Label with the input/select field.
* @param string $p_str_Caption Label caption.
* @return string
*
* Edited 2020-12-01T0159+0100..
* @since 2.1.6 no colon
*/
protected function addLabel($p_str_SettingName, $p_str_Caption) {
if (empty($p_str_Caption)) {
return "";
}
// remove the colon causing localization issues with French,
// and with languages not using punctuation at all,
// and with languages using other punctuation marks instead of colon,
// e.g. Greek using a raised dot.
// In French, colon is preceded by a space, forcibly non-breaking,
// and narrow per new school.
// Add colon to label strings for inclusion in localization.
// Colon after label is widely preferred best practice, mandatory per style guides.
// <https://softwareengineering.stackexchange.com/questions/234546/colons-in-internationalized-ui>
return sprintf('<label for="%s">%s</label>', $p_str_SettingName, $p_str_Caption);
// ^ here deleted colon 2020-12-08T1546+0100
}
/**
* Returns the html tag for an input [type = text].
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SettingName Name of the Settings key to pre load the input field.
* @param int $p_str_MaxLength Maximum length of the input, default 999 characters.
* @param bool $p_bool_Readonly Set the input to be read only, default false.
* @param bool $p_bool_Hidden Set the input to be hidden, default false.
* @return string
*/
protected function addTextBox($p_str_SettingName, $p_str_MaxLength = 999, $p_bool_Readonly = false, $p_bool_Hidden = false) {
$l_str_Style = "";
// collect data for given settings field
$l_arr_Data = $this->LoadSetting($p_str_SettingName);
if ($p_bool_Hidden) {
$l_str_Style .= 'display:none;';
}
return sprintf('<input type="text" name="%s" id="%s" maxlength="%d" style="%s" value="%s" %s/>',
$l_arr_Data["name"], $l_arr_Data["id"], $p_str_MaxLength,
$l_str_Style, $l_arr_Data["value"], $p_bool_Readonly ? 'readonly="readonly"' : '');
}
/**
* Returns the html tag for an input [type = checkbox].
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SettingName Name of the Settings key to pre load the input field.
* @return string
*/
protected function addCheckbox($p_str_SettingName) {
// collect data for given settings field
$l_arr_Data = $this->LoadSetting($p_str_SettingName);
return sprintf('<input type="checkbox" name="%s" id="%s" %s/>',
$l_arr_Data["name"], $l_arr_Data["id"],
MCI_Footnotes_Convert::toBool($l_arr_Data["value"]) ? 'checked="checked"' : '');
}
/**
* Returns the html tag for a select box.
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SettingName Name of the Settings key to pre select the current value.
* @param array $p_arr_Options Possible options to be selected.
* @return string
*/
protected function addSelectBox($p_str_SettingName, $p_arr_Options) {
// collect data for given settings field
$l_arr_Data = $this->LoadSetting($p_str_SettingName);
$l_str_Options = "";
/* loop through all array keys */
foreach ($p_arr_Options as $l_str_Value => $l_str_Caption) {
$l_str_Options .= sprintf('<option value="%s" %s>%s</option>',
$l_str_Value,
$l_arr_Data["value"] == $l_str_Value ? "selected" : "",
$l_str_Caption);
}
return sprintf('<select name="%s" id="%s">%s</select>',
$l_arr_Data["name"], $l_arr_Data["id"], $l_str_Options);
}
/**
* Returns the html tag for a text area.
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SettingName Name of the Settings key to pre fill the text area.
* @return string
*/
protected function addTextArea($p_str_SettingName) {
// collect data for given settings field
$l_arr_Data = $this->LoadSetting($p_str_SettingName);
return sprintf('<textarea name="%s" id="%s">%s</textarea>',
$l_arr_Data["name"], $l_arr_Data["id"], $l_arr_Data["value"]);
}
/**
* Returns the html tag for an input [type = text] with color selection class.
*
* @author Stefan Herndler
* @since 1.5.6
* @param string $p_str_SettingName Name of the Settings key to pre load the input field.
* @return string
*/
protected function addColorSelection($p_str_SettingName) {
// collect data for given settings field
$l_arr_Data = $this->LoadSetting($p_str_SettingName);
return sprintf('<input type="text" name="%s" id="%s" class="mfmmf-color-picker" value="%s"/>',
$l_arr_Data["name"], $l_arr_Data["id"], $l_arr_Data["value"]);
}
/**
* Returns the html tag for an input [type = num].
*
* @author Stefan Herndler
* @since 1.5.0
* @param string $p_str_SettingName Name of the Settings key to pre load the input field.
* @param int $p_in_Min Minimum value.
* @param int $p_int_Max Maximum value.
* @param bool $p_bool_Deci true if 0.1 steps and floating to string, false if integer (default)
* @return string
*
* Edited:
* @since 2.1.4 step argument and number_format() to allow decimals 2020-12-03T0631+0100..2020-12-12T1110+0100
*/
protected function addNumBox($p_str_SettingName, $p_in_Min, $p_int_Max, $p_bool_Deci = false ) {
// collect data for given settings field
$l_arr_Data = $this->LoadSetting($p_str_SettingName);
if ($p_bool_Deci) {
$l_str_Value = number_format(floatval($l_arr_Data["value"]), 1);
return sprintf('<input type="number" name="%s" id="%s" value="%s" step="0.1" min="%d" max="%d"/>',
$l_arr_Data["name"], $l_arr_Data["id"], $l_str_Value, $p_in_Min, $p_int_Max);
} else {
return sprintf('<input type="number" name="%s" id="%s" value="%d" min="%d" max="%d"/>',
$l_arr_Data["name"], $l_arr_Data["id"], $l_arr_Data["value"], $p_in_Min, $p_int_Max);
}
}
} // end of class