/*! * Dialogs Manager v4.9.3 * https://github.com/kobizz/dialogs-manager * * Copyright Kobi Zaltzberg * Released under the MIT license * https://github.com/kobizz/dialogs-manager/blob/master/LICENSE.txt */ (function($, global) { 'use strict'; /* * Dialog Manager */ var DialogsManager = { widgetsTypes: {}, createWidgetType: function(typeName, properties, Parent) { if (!Parent) { Parent = this.Widget; } var WidgetType = function() { Parent.apply(this, arguments); }; var prototype = WidgetType.prototype = new Parent(typeName); prototype.types = prototype.types.concat([typeName]); $.extend(prototype, properties); prototype.constructor = WidgetType; WidgetType.extend = function(typeName, properties) { return DialogsManager.createWidgetType(typeName, properties, WidgetType); }; return WidgetType; }, addWidgetType: function(typeName, properties, Parent) { if (properties && properties.prototype instanceof this.Widget) { return this.widgetsTypes[typeName] = properties; } return this.widgetsTypes[typeName] = this.createWidgetType(typeName, properties, Parent); }, getWidgetType: function(widgetType) { return this.widgetsTypes[widgetType]; } }; /* * Dialog Manager instances constructor */ DialogsManager.Instance = function() { var self = this, elements = {}, settings = {}; var initElements = function() { elements.body = $('body'); }; var initSettings = function(options) { var defaultSettings = { classPrefix: 'dialog', effects: { show: 'fadeIn', hide: 'fadeOut' } }; $.extend(settings, defaultSettings, options); }; this.createWidget = function(widgetType, properties) { var WidgetTypeConstructor = DialogsManager.getWidgetType(widgetType), widget = new WidgetTypeConstructor(widgetType); properties = properties || {}; widget.init(self, properties); return widget; }; this.getSettings = function(property) { if (property) { return settings[property]; } return Object.create(settings); }; this.init = function(settings) { initSettings(settings); initElements(); return self; }; self.init(); }; /* * Widget types constructor */ DialogsManager.Widget = function(widgetName) { var self = this, settings = {}, events = {}, elements = {}, hideTimeOut = 0, baseClosureMethods = ['refreshPosition']; var bindEvents = function() { var windows = [elements.window]; if (elements.iframe) { windows.push(jQuery(elements.iframe[0].contentWindow)); } windows.forEach(function(window) { if (settings.hide.onEscKeyPress) { window.on('keyup', onWindowKeyUp); } if (settings.hide.onOutsideClick) { window[0].addEventListener('click', hideOnOutsideClick, true); } if (settings.hide.onOutsideContextMenu) { window[0].addEventListener('contextmenu', hideOnOutsideClick, true); } if (settings.position.autoRefresh) { window.on('resize', self.refreshPosition); } }); if (settings.hide.onClick || settings.hide.onBackgroundClick) { elements.widget.on('click', hideOnClick); } }; var callEffect = function(intent, params) { var effect = settings.effects[intent], $widget = elements.widget; if ('function' === typeof effect) { effect.apply($widget, params); } else { if ($widget[effect]) { $widget[effect].apply($widget, params); } else { throw 'Reference Error: The effect ' + effect + ' not found'; } } }; var ensureClosureMethods = function() { var closureMethodsNames = baseClosureMethods.concat(self.getClosureMethods()); $.each(closureMethodsNames, function() { var methodName = this, oldMethod = self[methodName]; self[methodName] = function() { oldMethod.apply(self, arguments); }; }); }; var fixIframePosition = function(position) { if (! position.my) { return; } var horizontalOffsetRegex = /left|right/, extraOffsetRegex = /([+-]\d+)?$/, iframeOffset = elements.iframe.offset(), iframeWindow = elements.iframe[0].contentWindow, myParts = position.my.split(' '), fixedParts = []; if (myParts.length === 1) { if (horizontalOffsetRegex.test(myParts[0])) { myParts.push('center'); } else { myParts.unshift('center'); } } myParts.forEach(function(part, index) { var fixedPart = part.replace(extraOffsetRegex, function(partOffset) { partOffset = +partOffset || 0; if (! index) { partOffset += iframeOffset.left - iframeWindow.scrollX; } else { partOffset += iframeOffset.top - iframeWindow.scrollY; } if (partOffset >= 0) { partOffset = '+' + partOffset; } return partOffset; }); fixedParts.push(fixedPart); }); position.my = fixedParts.join(' '); }; var hideOnClick = function(event) { if (isContextMenuClickEvent(event)) { return; } if (settings.hide.onClick) { if ($(event.target).closest(settings.selectors.preventClose).length) { return; } } else if (event.target !== this) { return; } self.hide(); }; var isIgnoredTarget = function(event) { if (! settings.hide.ignore) { return false; } return !! $(event.target).closest(settings.hide.ignore).length; }; var hideOnOutsideClick = function(event) { if (isContextMenuClickEvent(event) || $(event.target).closest(elements.widget).length || isIgnoredTarget(event)) { return; } self.hide(); }; var initElements = function() { self.addElement('widget'); self.addElement('header'); self.addElement('message'); self.addElement('window', window); self.addElement('body', document.body); self.addElement('container', settings.container); if (settings.iframe) { self.addElement('iframe', settings.iframe); } if (settings.closeButton) { if ( settings.closeButtonClass ) { // Backwards compatibility settings.closeButtonOptions.iconClass = settings.closeButtonClass; } const $button = $('', settings.closeButtonOptions.attributes), $buttonIcon = $(settings.closeButtonOptions.iconElement).addClass(settings.closeButtonOptions.iconClass); $button.append($buttonIcon); self.addElement('closeButton', $button); } var id = self.getSettings('id'); if (id) { self.setID(id); } var classes = []; $.each(self.types, function() { classes.push(settings.classes.globalPrefix + '-type-' + this); }); classes.push(self.getSettings('className')); elements.widget .addClass(classes.join(' ')) .attr({ 'aria-modal': true, 'role': 'document', 'tabindex': 0, }); }; var initSettings = function(parent, userSettings) { var parentSettings = $.extend(true, {}, parent.getSettings()); settings = { headerMessage: '', message: '', effects: parentSettings.effects, classes: { globalPrefix: parentSettings.classPrefix, prefix: parentSettings.classPrefix + '-' + widgetName, preventScroll: parentSettings.classPrefix + '-prevent-scroll', }, selectors: { preventClose: '.' + parentSettings.classPrefix + '-prevent-close', }, container: 'body', preventScroll: false, iframe: null, closeButton: false, closeButtonOptions: { iconClass: parentSettings.classPrefix + '-close-button-icon', attributes: { role: 'button', 'tabindex': 0, 'aria-label': 'Close', href: '#', }, iconElement: '', }, position: { element: 'widget', my: 'center', at: 'center', enable: true, autoRefresh: false, }, hide: { auto: false, autoDelay: 5000, onClick: false, onOutsideClick: true, onOutsideContextMenu: false, onBackgroundClick: true, onEscKeyPress: true, ignore: '', }, }; $.extend(true, settings, self.getDefaultSettings(), userSettings); initSettingsEvents(); }; var initSettingsEvents = function() { $.each(settings, function(settingKey) { var eventName = settingKey.match(/^on([A-Z].*)/); if (!eventName) { return; } eventName = eventName[1].charAt(0).toLowerCase() + eventName[1].slice(1); self.on(eventName, this); }); }; var isContextMenuClickEvent = function(event) { // Firefox fires `click` event on every `contextmenu` event. return event.type === 'click' && event.button === 2; }; var normalizeClassName = function(name) { return name.replace(/([a-z])([A-Z])/g, function() { return arguments[1] + '-' + arguments[2].toLowerCase(); }); }; var onWindowKeyUp = function(event) { var ESC_KEY = 27, keyCode = event.which; if (ESC_KEY === keyCode) { self.hide(); } }; var unbindEvents = function() { var windows = [elements.window]; if (elements.iframe) { windows.push(jQuery(elements.iframe[0].contentWindow)); } windows.forEach(function(window) { if (settings.hide.onEscKeyPress) { window.off('keyup', onWindowKeyUp); } if (settings.hide.onOutsideClick) { window[0].removeEventListener('click', hideOnOutsideClick, true); } if (settings.hide.onOutsideContextMenu) { window[0].removeEventListener('contextmenu', hideOnOutsideClick, true); } if (settings.position.autoRefresh) { window.off('resize', self.refreshPosition); } }); if (settings.hide.onClick || settings.hide.onBackgroundClick) { elements.widget.off('click', hideOnClick); } }; this.addElement = function(name, element, classes) { var $newElement = elements[name] = $(element || '
'), normalizedName = normalizeClassName(name); classes = classes ? classes + ' ' : ''; classes += settings.classes.globalPrefix + '-' + normalizedName; classes += ' ' + settings.classes.prefix + '-' + normalizedName; $newElement.addClass(classes); return $newElement; }; this.destroy = function() { unbindEvents(); elements.widget.remove(); self.trigger('destroy'); return self; }; this.getElements = function(item) { return item ? elements[item] : elements; }; this.getSettings = function(setting) { var copy = Object.create(settings); if (setting) { return copy[setting]; } return copy; }; this.hide = function() { if (! self.isVisible()) { return; } clearTimeout(hideTimeOut); callEffect('hide', arguments); unbindEvents(); if (settings.preventScroll) { self.getElements('body').removeClass(settings.classes.preventScroll); } self.trigger('hide'); return self; }; this.init = function(parent, properties) { if (!(parent instanceof DialogsManager.Instance)) { throw 'The ' + self.widgetName + ' must to be initialized from an instance of DialogsManager.Instance'; } ensureClosureMethods(); self.trigger('init', properties); initSettings(parent, properties); initElements(); self.buildWidget(); self.attachEvents(); self.trigger('ready'); return self; }; this.isVisible = function() { return elements.widget.is(':visible'); }; this.on = function(eventName, callback) { if ('object' === typeof eventName) { $.each(eventName, function(singleEventName) { self.on(singleEventName, this); }); return self; } var eventNames = eventName.split(' '); eventNames.forEach(function(singleEventName) { if (!events[singleEventName]) { events[singleEventName] = []; } events[singleEventName].push(callback); }); return self; }; this.off = function(eventName, callback) { if (! events[ eventName ]) { return self; } if (! callback) { delete events[eventName]; return self; } var callbackIndex = events[eventName].indexOf(callback); if (-1 !== callbackIndex) { events[eventName].splice(callbackIndex, 1); } return self; }; this.refreshPosition = function() { if (! settings.position.enable) { return; } var position = $.extend({}, settings.position); if (elements[position.of]) { position.of = elements[position.of]; } if (! position.of) { position.of = window; } if (settings.iframe) { fixIframePosition(position); } elements[position.element].position(position); }; this.setID = function(id) { elements.widget.attr('id', id); return self; }; this.setHeaderMessage = function(message) { self.getElements('header').html(message); return self; }; this.setMessage = function(message) { elements.message.html(message); return self; }; this.setSettings = function(key, value) { if (jQuery.isPlainObject(value)) { $.extend(true, settings[key], value); } else { settings[key] = value; } return self; }; this.show = function() { clearTimeout(hideTimeOut); elements.widget.appendTo(elements.container).hide(); callEffect('show', arguments); self.refreshPosition(); if (settings.hide.auto) { hideTimeOut = setTimeout(self.hide, settings.hide.autoDelay); } bindEvents(); if (settings.preventScroll) { self.getElements('body').addClass(settings.classes.preventScroll); } self.trigger('show'); return self; }; this.trigger = function(eventName, params) { var methodName = 'on' + eventName[0].toUpperCase() + eventName.slice(1); if (self[methodName]) { self[methodName](params); } var callbacks = events[eventName]; if (!callbacks) { return; } $.each(callbacks, function(index, callback) { callback.call(self, params); }); return self; }; }; DialogsManager.Widget.prototype.types = []; // Inheritable widget methods DialogsManager.Widget.prototype.buildWidget = function() { var elements = this.getElements(), settings = this.getSettings(); elements.widget.append(elements.header, elements.message); this.setHeaderMessage(settings.headerMessage); this.setMessage(settings.message); if (this.getSettings('closeButton')) { elements.widget.prepend(elements.closeButton); } }; DialogsManager.Widget.prototype.attachEvents = function() { var self = this; if (self.getSettings('closeButton')) { self.getElements('closeButton').on('click', function(event) { event.preventDefault(); self.hide(); }); } }; DialogsManager.Widget.prototype.getDefaultSettings = function() { return {}; }; DialogsManager.Widget.prototype.getClosureMethods = function() { return []; }; DialogsManager.Widget.prototype.onHide = function() { }; DialogsManager.Widget.prototype.onShow = function() { }; DialogsManager.Widget.prototype.onInit = function() { }; DialogsManager.Widget.prototype.onReady = function() { }; DialogsManager.widgetsTypes.simple = DialogsManager.Widget; DialogsManager.addWidgetType('buttons', { activeKeyUp: function(event) { var TAB_KEY = 9; if (event.which === TAB_KEY) { event.preventDefault(); } if (this.hotKeys[event.which]) { this.hotKeys[event.which](this); } }, activeKeyDown: function(event) { if (!this.focusedButton) { return; } var TAB_KEY = 9; if (event.which === TAB_KEY) { event.preventDefault(); var currentButtonIndex = this.focusedButton.index(), nextButtonIndex; if (event.shiftKey) { nextButtonIndex = currentButtonIndex - 1; if (nextButtonIndex < 0) { nextButtonIndex = this.buttons.length - 1; } } else { nextButtonIndex = currentButtonIndex + 1; if (nextButtonIndex >= this.buttons.length) { nextButtonIndex = 0; } } this.focusedButton = this.buttons[nextButtonIndex].trigger('focus'); } }, addButton: function(options) { var self = this, settings = self.getSettings(), buttonSettings = jQuery.extend(settings.button, options); var classes = options.classes ? options.classes + ' ' : ''; classes += settings.classes.globalPrefix + '-button'; var $button = self.addElement(options.name, $('<' + buttonSettings.tag + '>').html(options.text), classes); self.buttons.push($button); var buttonFn = function() { if (settings.hide.onButtonClick) { self.hide(); } if ('function' === typeof options.callback) { options.callback.call(this, self); } }; $button.on('click', buttonFn); if (options.hotKey) { this.hotKeys[options.hotKey] = buttonFn; } this.getElements('buttonsWrapper').append($button); if (options.focus) { this.focusedButton = $button; } return self; }, bindHotKeys: function() { this.getElements('window').on({ keyup: this.activeKeyUp, keydown: this.activeKeyDown }); }, buildWidget: function() { DialogsManager.Widget.prototype.buildWidget.apply(this, arguments); var $buttonsWrapper = this.addElement('buttonsWrapper'); this.getElements('widget').append($buttonsWrapper); }, getClosureMethods: function() { return [ 'activeKeyUp', 'activeKeyDown' ]; }, getDefaultSettings: function() { return { hide: { onButtonClick: true }, button: { tag: 'button' } }; }, onHide: function() { this.unbindHotKeys(); }, onInit: function() { this.buttons = []; this.hotKeys = {}; this.focusedButton = null; }, onShow: function() { this.bindHotKeys(); if (!this.focusedButton) { this.focusedButton = this.buttons[0]; } if (this.focusedButton) { this.focusedButton.trigger('focus'); } }, unbindHotKeys: function() { this.getElements('window').off({ keyup: this.activeKeyUp, keydown: this.activeKeyDown }); } }); DialogsManager.addWidgetType('lightbox', DialogsManager.getWidgetType('buttons').extend('lightbox', { getDefaultSettings: function() { var settings = DialogsManager.getWidgetType('buttons').prototype.getDefaultSettings.apply(this, arguments); return $.extend(true, settings, { contentWidth: 'auto', contentHeight: 'auto', position: { element: 'widgetContent', of: 'widget', autoRefresh: true } }); }, buildWidget: function() { DialogsManager.getWidgetType('buttons').prototype.buildWidget.apply(this, arguments); var $widgetContent = this.addElement('widgetContent'), elements = this.getElements(); $widgetContent.append(elements.header, elements.message, elements.buttonsWrapper); elements.widget.html($widgetContent); if (elements.closeButton) { $widgetContent.prepend(elements.closeButton); } }, onReady: function() { var elements = this.getElements(), settings = this.getSettings(); if ('auto' !== settings.contentWidth) { elements.message.width(settings.contentWidth); } if ('auto' !== settings.contentHeight) { elements.message.height(settings.contentHeight); } } })); DialogsManager.addWidgetType('confirm', DialogsManager.getWidgetType('lightbox').extend('confirm', { onReady: function() { DialogsManager.getWidgetType('lightbox').prototype.onReady.apply(this, arguments); var strings = this.getSettings('strings'), isDefaultCancel = this.getSettings('defaultOption') === 'cancel'; this.addButton({ name: 'cancel', text: strings.cancel, callback: function(widget) { widget.trigger('cancel'); }, focus: isDefaultCancel }); this.addButton({ name: 'ok', text: strings.confirm, callback: function(widget) { widget.trigger('confirm'); }, focus: !isDefaultCancel }); }, getDefaultSettings: function() { var settings = DialogsManager.getWidgetType('lightbox').prototype.getDefaultSettings.apply(this, arguments); settings.strings = { confirm: 'OK', cancel: 'Cancel' }; settings.defaultOption = 'cancel'; return settings; } })); DialogsManager.addWidgetType('alert', DialogsManager.getWidgetType('lightbox').extend('alert', { onReady: function() { DialogsManager.getWidgetType('lightbox').prototype.onReady.apply(this, arguments); var strings = this.getSettings('strings'); this.addButton({ name: 'ok', text: strings.confirm, callback: function(widget) { widget.trigger('confirm'); } }); }, getDefaultSettings: function() { var settings = DialogsManager.getWidgetType('lightbox').prototype.getDefaultSettings.apply(this, arguments); settings.strings = { confirm: 'OK' }; return settings; } })); // Exporting the DialogsManager variable to global global.DialogsManager = DialogsManager; })( typeof jQuery !== 'undefined' ? jQuery : typeof require === 'function' && require('jquery'), (typeof module !== 'undefined' && typeof module.exports !== 'undefined') ? module.exports : window ); {"id":12843,"date":"2023-07-08T21:19:34","date_gmt":"2023-07-08T21:19:34","guid":{"rendered":"https:\/\/weeklypostgazette.com\/?p=12843"},"modified":"2023-07-08T21:19:34","modified_gmt":"2023-07-08T21:19:34","slug":"seaweed-blob-tracker","status":"publish","type":"post","link":"https:\/\/weeklypostgazette.com\/seaweed-blob-tracker\/","title":{"rendered":"Seaweed Blob Tracker Monitoring and Managing Seaweed Blooms"},"content":{"rendered":"

Seaweed can be a beautiful and important part of marine ecosystems. However, in recent years, the proliferation of seaweed blooms, also known as “seaweed blobs,” has become a concern for coastal communities. These large accumulations of seaweed can wash up on shorelines, causing aesthetic issues and potential ecological problems. In order to better understand and manage seaweed blooms, scientists and researchers have developed innovative tools, such as the seaweed blob tracker. In this article, we will explore the concept of seaweed blob tracking, its significance, and how it can contribute to effective seaweed bloom management.<\/span><\/p>\n

What is a Seaweed Blob Tracker?<\/span><\/h2>\n

A seaweed blob tracker<\/a> is a technological system that utilizes remote sensing techniques and data analysis to monitor and track the movement of seaweed blooms. It combines satellite imagery, advanced algorithms, and geographic information systems (GIS) to provide real-time information about the location, extent, and density of seaweed accumulations. This data helps scientists and coastal managers to assess the magnitude of the bloom, predict its future trajectory, and make informed decisions regarding mitigation strategies.<\/span><\/p>\n

Understanding Seaweed Blooms<\/span><\/h2>\n

Seaweed blooms occur when certain species of marine algae experience rapid and excessive growth. These blooms are influenced by a variety of factors, including nutrient availability, water temperature, and ocean currents. While seaweed blooms are a natural occurrence, human activities, such as nutrient pollution from agricultural runoff and coastal development, can exacerbate their frequency and intensity.<\/span><\/p>\n

Importance of Seaweed Blob Tracking<\/span><\/h2>\n