feature #90: add js lightbox and gallery html generator

R/gallery.R

@@ -0,0 +1,84 @@
+make_gallery <- function(eyeris, epochs, out, epoch_name, ...) {
+  params <- list(...)
+
+  epoch_name_corrected <- sub("^epoch_", "epoch-", epoch_name)
+
+  rmd_f <- file.path(out, paste0(
+    "sub-", params$sub, "_",
+    "run-", params$run, "_",
+    epoch_name_corrected, ".Rmd"
+  ))
+
+  report_date <- format(Sys.time(), "%B %d, %Y | %H:%M:%OS3")
+  package_version <- as.character(
+    utils::packageVersion("eyeris")
+  )
+
+  css <- system.file(
+    file.path("rmarkdown", "css", "report.css"),
+    package = "eyeris"
+  )
+
+  sticker_path <- system.file("figures", "sticker.png", package = "eyeris")
+
+  epoch_lightbox_html <- print_lightbox_img_html(epochs)
+
+  content <- paste0(
+    "---\n",
+    "title: '`eyeris` epoch previewer'\n",
+    "date: '", report_date, "'\n",
+    "output:\n",
+    "  html_document:\n",
+    "    df_print: paged\n",
+    "    css: '", css, "'\n",
+    "---\n\n",
+    "\n\n<img src='", sticker_path, "' class='top-right-image'>",
+    "\n\n---\n\n## Summary\n",
+    " - Subject ID: ", params$sub, "\n",
+    " - Session: ", params$ses, "\n",
+    " - Task: ", params$task, "\n",
+    " - Run: ", params$run, "\n",
+    " - BIDS Directory: ", out, "\n",
+    " - Source `.asc` file: ", eyeris$file, "\n",
+    " - [`eyeris` version](https://github.com/shawntz/eyeris): ",
+    package_version, "\n",
+    "\n\n<style type='text/css'>\n",
+    "@import url('http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/",
+    "bootstrap.min.css');\n",
+    "@import url('https://cdn.jsdelivr.net/npm/lightbox2/dist/css/",
+    "lightbox.min.css');\n</style>\n",
+    "<script src='https://cdn.jsdelivr.net/npm/lightbox2/dist/js/",
+    "lightbox.min.js'></script>\n<script>document.addEventListener(",
+    "'DOMContentLoaded', function() {lightbox.option({'imageFadeDuration' : 0,",
+    "'resizeDuration': 25,'wrapAround': false});});</script>\n\n\n",
+    "\n# Preprocessed Data Preview\n\n",
+    "\n## ", epoch_name, "\n\n",
+    epoch_lightbox_html,
+    "\n",
+    "\n\n---\n\n### Citation\n\n",
+    "```{r citation, echo=FALSE, comment=NA}\n",
+    "citation('eyeris')\n",
+    "```\n\n"
+  )
+
+  writeLines(content, con = rmd_f)
+
+  rmarkdown::render(rmd_f, output_format = "html_document")
+
+  unlink(rmd_f)
+}
+
+print_lightbox_img_html <- function(images) {
+  html_out <- ""
+
+  for (i in images) {
+    html_out <- paste0(
+      html_out,
+      '<a href="', i, '" data-lightbox="gallery" data-title="Image 1">',
+      '<img src="', i,
+      '" alt="Thumbnail 1" style="margin: 5px; width: 150px;"></a>'
+    )
+  }
+
+  return(html_out)
+}