mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-08-19 22:26:18 +00:00
196 lines
6.4 KiB
JavaScript
196 lines
6.4 KiB
JavaScript
/*\
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title: $:/core/modules/utils/dom/modal.js
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type: application/javascript
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module-type: utils
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Modal message mechanism
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var widget = require("$:/core/modules/new_widgets/widget.js");
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var Modal = function(wiki) {
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this.wiki = wiki;
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this.modalCount = 0;
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};
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/*
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Display a modal dialogue
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title: Title of tiddler to display
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options: see below
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Options include:
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downloadLink: Text of a big download link to include
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*/
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Modal.prototype.display = function(title,options) {
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options = options || {};
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var self = this,
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duration = $tw.utils.getAnimationDuration(),
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tiddler = this.wiki.getTiddler(title);
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// Don't do anything if the tiddler doesn't exist
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if(!tiddler) {
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return;
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}
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// Create the wrapper divs
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var wrapper = document.createElement("div"),
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modalBackdrop = document.createElement("div"),
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modalWrapper = document.createElement("div"),
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modalHeader = document.createElement("div"),
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headerTitle = document.createElement("h3"),
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modalBody = document.createElement("div"),
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modalLink = document.createElement("a"),
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modalFooter = document.createElement("div"),
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modalFooterHelp = document.createElement("span"),
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modalFooterButtons = document.createElement("span");
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// Up the modal count and adjust the body class
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this.modalCount++;
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this.adjustPageClass();
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// Add classes
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$tw.utils.addClass(wrapper,"modal-wrapper");
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$tw.utils.addClass(modalBackdrop,"modal-backdrop");
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$tw.utils.addClass(modalWrapper,"modal");
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$tw.utils.addClass(modalHeader,"modal-header");
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$tw.utils.addClass(modalBody,"modal-body");
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$tw.utils.addClass(modalLink,"btn btn-large btn-block btn-success");
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$tw.utils.addClass(modalFooter,"modal-footer");
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// Join them together
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wrapper.appendChild(modalBackdrop);
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wrapper.appendChild(modalWrapper);
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modalHeader.appendChild(headerTitle);
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modalWrapper.appendChild(modalHeader);
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modalWrapper.appendChild(modalBody);
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modalFooter.appendChild(modalFooterHelp);
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modalFooter.appendChild(modalFooterButtons);
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modalWrapper.appendChild(modalFooter);
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// Render the title of the message
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var titleText;
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if(tiddler && tiddler.fields && tiddler.fields.subtitle) {
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titleText = tiddler.fields.subtitle;
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} else {
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titleText = title;
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}
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var headerParser = this.wiki.new_parseText("text/vnd.tiddlywiki",titleText,{parseAsInline: true}),
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headerParseTreeNode = headerParser ? {type: "widget", children: headerParser.tree} : undefined,
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headerWidgetNode = new widget.widget(headerParseTreeNode,{
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wiki: this.wiki,
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parentWidget: $tw.rootWidget,
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document: document
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});
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headerWidgetNode.render(modalHeader,null);
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this.wiki.addEventListener("change",function(changes) {
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headerWidgetNode.refresh(changes,modalHeader,null);
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});
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// Render the body of the message
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var bodyParser = this.wiki.new_parseTiddler(title),
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bodyParseTreeNode = bodyParser ? {type: "widget", children: bodyParser.tree} : undefined,
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bodyWidgetNode = new widget.widget(bodyParseTreeNode,{
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wiki: this.wiki,
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parentWidget: $tw.rootWidget,
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document: document
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});
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bodyWidgetNode.render(modalBody,null);
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this.wiki.addEventListener("change",function(changes) {
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bodyWidgetNode.refresh(changes,modalBody,null);
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});
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// Setup the link if present
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if(options.downloadLink) {
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modalLink.href = options.downloadLink
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modalLink.appendChild(document.createTextNode("Right-click to save changes"));
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modalBody.appendChild(modalLink);
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}
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// Render the footer of the message
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if(tiddler && tiddler.fields && tiddler.fields.help) {
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var link = document.createElement("a");
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link.setAttribute("href",tiddler.fields.help);
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link.setAttribute("target","_blank");
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link.appendChild(document.createTextNode("Help"));
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modalFooterHelp.appendChild(link);
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modalFooterHelp.style.float = "left";
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}
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var footerText;
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if(tiddler && tiddler.fields && tiddler.fields.footer) {
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footerText = tiddler.fields.footer;
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} else {
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footerText = '<$button message="tw-close-tiddler" class="btn btn-primary">Close</$button>';
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}
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var footerParser = this.wiki.new_parseText("text/vnd.tiddlywiki",footerText,{parseAsInline: true}),
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footerParseTreeNode = footerParser ? {type: "widget", children: footerParser.tree} : undefined,
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footerWidgetNode = new widget.widget(footerParseTreeNode,{
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wiki: this.wiki,
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parentWidget: $tw.rootWidget,
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document: document
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});
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footerWidgetNode.render(modalFooterButtons,null);
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this.wiki.addEventListener("change",function(changes) {
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footerWidgetNode.refresh(changes,modalFooterButtons,null);
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});
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// Add the close event handler
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var closeHandler = function(event) {
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// Decrease the modal count and adjust the body class
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self.modalCount--;
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self.adjustPageClass();
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// Force layout and animate the modal message away
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$tw.utils.forceLayout(modalBackdrop);
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$tw.utils.forceLayout(modalWrapper);
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$tw.utils.setStyle(modalBackdrop,[
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{opacity: "0"}
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]);
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$tw.utils.setStyle(modalWrapper,[
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{transform: "translateY(" + window.innerHeight + "px)"}
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]);
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// Set up an event for the transition end
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window.setTimeout(function() {
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if(wrapper.parentNode) {
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// Remove the modal message from the DOM
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document.body.removeChild(wrapper);
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}
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},duration);
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// Don't let anyone else handle the tw-close-tiddler message
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return false;
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};
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headerWidgetNode.addEventListener("tw-close-tiddler",closeHandler,false);
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bodyWidgetNode.addEventListener("tw-close-tiddler",closeHandler,false);
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footerWidgetNode.addEventListener("tw-close-tiddler",closeHandler,false);
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// Set the initial styles for the message
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$tw.utils.setStyle(modalBackdrop,[
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{opacity: "0"}
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]);
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$tw.utils.setStyle(modalWrapper,[
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{transformOrigin: "0% 0%"},
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{transform: "translateY(" + (-window.innerHeight) + "px)"}
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]);
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// Put the message into the document
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document.body.appendChild(wrapper);
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// Set up animation for the styles
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$tw.utils.setStyle(modalBackdrop,[
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{transition: "opacity " + duration + "ms ease-out"}
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]);
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$tw.utils.setStyle(modalWrapper,[
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{transition: $tw.utils.roundTripPropertyName("transform") + " " + duration + "ms ease-in-out"}
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]);
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// Force layout
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$tw.utils.forceLayout(modalBackdrop);
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$tw.utils.forceLayout(modalWrapper);
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// Set final animated styles
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$tw.utils.setStyle(modalBackdrop,[
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{opacity: "0.7"}
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]);
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$tw.utils.setStyle(modalWrapper,[
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{transform: "translateY(0px)"}
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]);
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};
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Modal.prototype.adjustPageClass = function() {
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if($tw.pageContainer) {
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$tw.utils.toggleClass($tw.pageContainer,"tw-modal-displayed",this.modalCount > 0);
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}
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};
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exports.Modal = Modal;
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})();
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