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| ```dataviewjs | |
| let currentFilePath = dv.current().file.path; | |
| let currentFileDir = dv.current().file.folder; | |
| let currentSubPagesSorted = dv.pages('"' + currentFileDir + '"').sort(b => b.file.name, 'asc').values; | |
| function getIndex(options) { | |
| let direction = options.direction; | |
| let targetIndex = 0; | |
| for (let i = 0; i < currentSubPagesSorted.length; i++) { | |
| let filePath = currentSubPagesSorted[i].file.path; | |
| if (filePath == currentFilePath) { | |
| if (direction == 'forward') { | |
| targetIndex = i + 1; | |
| break; | |
| } | |
| if (direction == 'backwards') { | |
| targetIndex = i - 1; | |
| break; | |
| } | |
| } | |
| } | |
| return targetIndex | |
| } | |
| function getPrevFileLink(options) { | |
| let prevIndex = options.prevIndex; | |
| if (prevIndex == -1) { | |
| prevIndex = currentSubPagesSorted.length - 1; | |
| } | |
| let prevPage = currentSubPagesSorted[prevIndex]; | |
| let prevPageFileLink = dv.fileLink(prevPage.file.link.path, false, "<< " + prevPage.file.name); | |
| return prevPageFileLink | |
| } | |
| function getNextFileLink(options) { | |
| let nextIndex = options.nextIndex | |
| if (nextIndex == currentSubPagesSorted.length) { | |
| nextIndex = 0; | |
| } | |
| let nextPage = currentSubPagesSorted[nextIndex]; | |
| let nextPageFileLink = dv.fileLink(nextPage.file.link.path, false, nextPage.file.name + " >>"); | |
| return nextPageFileLink; | |
| } | |
| // prevIndex | |
| let prevIndex = getIndex({'direction': 'backwards'}); | |
| let prevFileLink = getPrevFileLink({'prevIndex': prevIndex}); | |
| // nextIndex | |
| let nextIndex = getIndex({'direction': 'forward'}); | |
| let nextFileLink = getNextFileLink({'nextIndex': nextIndex}); | |
| dv.span(prevFileLink + ' | ' + nextFileLink); | |
| ``` |
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