mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-25 09:30:28 +00:00
996ee52cf9
Fixes #4237
126 lines
4.9 KiB
JavaScript
126 lines
4.9 KiB
JavaScript
/*\
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title: $:/plugins/tiddlywiki/external-attachments/startup.js
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type: application/javascript
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module-type: startup
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Startup initialisation
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var ENABLE_EXTERNAL_ATTACHMENTS_TITLE = "$:/config/ExternalAttachments/Enable",
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USE_ABSOLUTE_FOR_DESCENDENTS_TITLE = "$:/config/ExternalAttachments/UseAbsoluteForDescendents",
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USE_ABSOLUTE_FOR_NON_DESCENDENTS_TITLE = "$:/config/ExternalAttachments/UseAbsoluteForNonDescendents";
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// Export name and synchronous status
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exports.name = "external-attachments";
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exports.platforms = ["browser"];
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exports.after = ["startup"];
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exports.synchronous = true;
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exports.startup = function() {
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test_makePathRelative();
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$tw.hooks.addHook("th-importing-file",function(info) {
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if(document.location.protocol === "file:" && info.isBinary && info.file.path && $tw.wiki.getTiddlerText(ENABLE_EXTERNAL_ATTACHMENTS_TITLE,"") === "yes") {
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console.log("Wiki location",document.location.pathname)
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console.log("File location",info.file.path)
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info.callback([
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{
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title: info.file.name,
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type: info.type,
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"_canonical_uri": makePathRelative(
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info.file.path,
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document.location.pathname,
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{
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useAbsoluteForNonDescendents: $tw.wiki.getTiddlerText(USE_ABSOLUTE_FOR_NON_DESCENDENTS_TITLE,"") === "yes",
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useAbsoluteForDescendents: $tw.wiki.getTiddlerText(USE_ABSOLUTE_FOR_DESCENDENTS_TITLE,"") === "yes"
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}
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)
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}
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]);
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return true;
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} else {
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return false;
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}
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});
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};
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/*
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Given a source absolute filepath and a root absolute path, returns the source filepath expressed as a relative filepath from the root path.
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sourcepath comes from the "path" property of the file object, with the following patterns:
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/path/to/file.png for Unix systems
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C:\path\to\file.png for local files on Windows
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\\sharename\path\to\file.png for network shares on Windows
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rootpath comes from document.location.pathname with urlencode applied with the following patterns:
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/path/to/file.html for Unix systems
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/C:/path/to/file.html for local files on Windows
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/sharename/path/to/file.html for network shares on Windows
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*/
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function makePathRelative(sourcepath,rootpath,options) {
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options = options || {};
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// First we convert the source path from OS-dependent format to generic file:// format
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if(options.isWindows || $tw.platform.isWindows) {
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sourcepath = sourcepath.replace(/\\/g,"/");
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// If it's a local file like C:/path/to/file.ext then add a leading slash
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if(sourcepath.charAt(0) !== "/") {
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sourcepath = "/" + sourcepath;
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}
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// If it's a network share then remove one of the leading slashes
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if(sourcepath.substring(0,2) === "//") {
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sourcepath = sourcepath.substring(1);
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}
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}
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// Split the path into parts
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var sourceParts = sourcepath.split("/"),
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rootParts = rootpath.split("/"),
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outputParts = [];
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// urlencode the parts of the sourcepath
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$tw.utils.each(sourceParts,function(part,index) {
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sourceParts[index] = encodeURI(part);
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});
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// Identify any common portion from the start
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var c = 0,
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p;
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while(c < sourceParts.length && c < rootParts.length && sourceParts[c] === rootParts[c]) {
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c += 1;
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}
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// Use an absolute path if there's no common portion, or if specifically requested
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if(c === 1 || (options.useAbsoluteForNonDescendents && c < rootParts.length) || (options.useAbsoluteForDescendents && c === rootParts.length)) {
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return sourcepath;
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}
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// Move up a directory for each directory left in the root
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for(p = c; p < rootParts.length; p++) {
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outputParts.push("..");
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}
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// Add on the remaining parts of the source path
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for(p = c; p < sourceParts.length; p++) {
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outputParts.push(sourceParts[p]);
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}
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return outputParts.join("/");
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}
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function test_makePathRelative() {
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var test = function(sourcepath,rootpath,result,options) {
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if(makePathRelative(sourcepath,rootpath,options) !== result) {
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throw "makePathRelative test failed: makePathRelative(" + sourcepath + "," + rootpath + "," + JSON.stringify(options) + ") is not equal to " + result;
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}
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};
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test("/Users/me/something/file.png","/Users/you/something","../../me/something/file.png");
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test("/Users/me/something/file.png","/Users/you/something","/Users/me/something/file.png",{useAbsoluteForNonDescendents: true});
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test("/Users/me/something/else/file.png","/Users/me/something","else/file.png");
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test("/Users/me/something/file.png","/Users/me/something/new","../file.png");
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test("/Users/me/something/file.png","/Users/me/something/new","/Users/me/something/file.png",{useAbsoluteForNonDescendents: true});
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test("/Users/me/something/file.png","/Users/me/something","file.png");
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test("C:\\Users\\me\\something\\file.png","/C:/Users/me/something","file.png",{isWindows: true});
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test("\\\\SHARE\\Users\\me\\something\\file.png","/SHARE/Users/me/somethingelse","../something/file.png",{isWindows: true});
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test("\\\\SHARE\\Users\\me\\something\\file.png","/C:/Users/me/something","/SHARE/Users/me/something/file.png",{isWindows: true});
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}
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})();
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