mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-08-19 06:06:17 +00:00
85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
/*\
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title: $:/core/macros/link.js
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type: application/javascript
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module-type: macro
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Implements the link macro.
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\*/
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(function(){
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/*jslint node: true, browser: true */
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"use strict";
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var isLinkExternal = function(to) {
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var externalRegExp = /(?:file|http|https|mailto|ftp|irc|news|data):[^\s'"]+(?:\/|\b)/i;
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return externalRegExp.test(to);
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};
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exports.info = {
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name: "link",
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params: {
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to: {byName: "default", type: "tiddler", skinny: true},
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space: {byName: true, type: "text"}
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},
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events: ["click"]
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};
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exports.handleEvent = function (event) {
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switch(event.type) {
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case "click":
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if(isLinkExternal(this.params.to)) {
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event.target.setAttribute("target","_blank");
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return true;
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} else {
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var navEvent = document.createEvent("Event");
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navEvent.initEvent("tw-navigate",true,true);
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navEvent.navigateTo = this.params.to;
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event.target.dispatchEvent(navEvent);
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event.preventDefault();
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return false;
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}
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}
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};
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exports.executeMacro = function() {
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// Assemble the information about the link
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var linkInfo = {
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to: this.params.to,
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space: this.params.space
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};
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// Generate the default link characteristics
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linkInfo.isExternal = isLinkExternal(linkInfo.to);
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if(!linkInfo.isExternal) {
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linkInfo.isMissing = !this.wiki.tiddlerExists(linkInfo.to);
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}
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linkInfo.attributes = {
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href: linkInfo.to
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};
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// Generate the default classes for the link
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linkInfo.attributes["class"] = ["tw-tiddlylink"];
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if(linkInfo.isExternal) {
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linkInfo.attributes["class"].push("tw-tiddlylink-external");
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} else {
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linkInfo.attributes["class"].push("tw-tiddlylink-internal");
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if(linkInfo.isMissing) {
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linkInfo.attributes["class"].push("tw-tiddlylink-missing");
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} else {
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linkInfo.attributes["class"].push("tw-tiddlylink-resolves");
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}
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}
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// Create the link
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var children;
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if(linkInfo.suppressLink) {
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children = this.cloneContent();
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} else {
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children = [$tw.Tree.Element("a",linkInfo.attributes,this.cloneContent())];
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}
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for(var t=0; t<children.length; t++) {
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children[t].execute(this.parents,this.tiddlerTitle);
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}
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return children;
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};
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})();
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