diff options
Diffstat (limited to 'uploader/static/js')
| -rw-r--r-- | uploader/static/js/misc.js | 6 | ||||
| -rw-r--r-- | uploader/static/js/select_platform.js | 70 | ||||
| -rw-r--r-- | uploader/static/js/upload_progress.js | 97 | ||||
| -rw-r--r-- | uploader/static/js/upload_samples.js | 132 | ||||
| -rw-r--r-- | uploader/static/js/utils.js | 10 |
5 files changed, 315 insertions, 0 deletions
diff --git a/uploader/static/js/misc.js b/uploader/static/js/misc.js new file mode 100644 index 0000000..cf7b39e --- /dev/null +++ b/uploader/static/js/misc.js @@ -0,0 +1,6 @@ +"Miscellaneous functions and event-handlers" + +$(".not-implemented").click((event) => { + event.preventDefault(); + alert("This feature is not implemented yet. Please bear with us."); +}); diff --git a/uploader/static/js/select_platform.js b/uploader/static/js/select_platform.js new file mode 100644 index 0000000..4fdd865 --- /dev/null +++ b/uploader/static/js/select_platform.js @@ -0,0 +1,70 @@ +function radio_column(chip) { + col = document.createElement("td"); + radio = document.createElement("input"); + radio.setAttribute("type", "radio"); + radio.setAttribute("name", "genechipid"); + radio.setAttribute("value", chip["GeneChipId"]); + radio.setAttribute("required", "required"); + col.appendChild(radio); + return col; +} + +function setup_genechips(genechip_data) { + columns = ["GeneChipId", "GeneChipName"] + submit_button = document.querySelector( + "#select-platform-form button[type='submit']"); + elt = document.getElementById( + "genechips-table").getElementsByTagName("tbody")[0]; + remove_children(elt); + if((genechip_data === undefined) || genechip_data.length === 0) { + row = document.createElement("tr"); + col = document.createElement("td"); + col.setAttribute("colspan", "3"); + text = document.createTextNode("No chips found for selected species"); + col.appendChild(text); + row.appendChild(col); + elt.appendChild(row); + submit_button.setAttribute("disabled", true); + return false; + } + + submit_button.removeAttribute("disabled") + genechip_data.forEach(chip => { + row = document.createElement("tr"); + row.appendChild(radio_column(chip)); + columns.forEach(column => { + col = document.createElement("td"); + content = document.createTextNode(chip[column]); + col.appendChild(content); + row.appendChild(col); + }); + elt.appendChild(row); + }); +} + +function genechips() { + return JSON.parse( + document.getElementById("select-platform-form").getAttribute( + "data-genechips")); +} + +function update_genechips(event) { + genec = genechips(); + + species_elt = document.getElementById("species"); + + if(event.target == species_elt) { + setup_genechips(genec[species_elt.value.toLowerCase()]); + } +} + +function select_row_radio(row) { + radio = row.getElementsByTagName( + "td")[0].getElementsByTagName( + "input")[0]; + if(radio === undefined) { + return false; + } + radio.setAttribute("checked", "checked"); + return true; +} diff --git a/uploader/static/js/upload_progress.js b/uploader/static/js/upload_progress.js new file mode 100644 index 0000000..9638b36 --- /dev/null +++ b/uploader/static/js/upload_progress.js @@ -0,0 +1,97 @@ +function make_processing_indicator(elt) { + var count = 0; + return function() { + var message = "Finalising upload and saving file: " + if(count > 5) { + count = 1; + } + for(i = 0; i < count; i++) { + message = message + "."; + } + elt.innerHTML = message + count = count + 1 + }; +} + +function make_progress_updater(file, indicator_elt) { + var progress_bar = indicator_elt.querySelector("#progress-bar"); + var progress_text = indicator_elt.querySelector("#progress-text"); + var extra_text = indicator_elt.querySelector("#progress-extra-text"); + return function(event) { + if(event.loaded <= file.size) { + var percent = Math.round((event.loaded / file.size) * 100); + progress_bar.value = percent + progress_text.innerHTML = "Uploading: " + percent + "%"; + extra_text.setAttribute("class", "hidden") + } + + if(event.loaded == event.total) { + progress_bar.value = 100; + progress_text.innerHTML = "Uploaded: 100%"; + extra_text.setAttribute("class", null); + intv = setInterval(make_processing_indicator(extra_text), 400); + setTimeout(function() {clearTimeout(intv);}, 20000); + } + }; +} + +function setup_cancel_upload(request, indicator_elt) { + document.getElementById("btn-cancel-upload").addEventListener( + "click", function(event) { + event.preventDefault(); + request.abort(); + }); +} + +function setup_request(file, progress_indicator_elt) { + var request = new XMLHttpRequest(); + var updater = make_progress_updater(file, progress_indicator_elt); + request.upload.addEventListener("progress", updater); + request.onload = function(event) { + document.location.assign(request.responseURL); + }; + setup_cancel_upload(request, progress_indicator_elt) + return request; +} + +function selected_filetype(radios) { + for(idx = 0; idx < radios.length; idx++) { + if(radios[idx].checked) { + return radios[idx].value; + } + } +} + +function make_data_uploader(setup_formdata) { + return function(event) { + event.preventDefault(); + + var pindicator = document.getElementById("upload-progress-indicator"); + + var form = event.target; + var the_file = form.querySelector("input[type='file']").files[0]; + if(the_file === undefined) { + form.querySelector("input[type='file']").parentElement.setAttribute( + "class", "invalid-input"); + error_elt = form.querySelector("#no-file-error"); + if(error_elt !== undefined) { + error_elt.setAttribute("style", "display: block;"); + } + return false; + } + var formdata = setup_formdata(form); + + document.getElementById("progress-filename").innerHTML = the_file.name; + var request = setup_request(the_file, pindicator); + request.open(form.getAttribute("method"), form.getAttribute("action")); + request.send(formdata); + return false; + } +} + + +function setup_upload_handlers(formid, datauploader) { + console.info("Setting up the upload handlers.") + upload_form = document.getElementById(formid); + upload_form.addEventListener("submit", datauploader); +} diff --git a/uploader/static/js/upload_samples.js b/uploader/static/js/upload_samples.js new file mode 100644 index 0000000..aed536f --- /dev/null +++ b/uploader/static/js/upload_samples.js @@ -0,0 +1,132 @@ +/* + * Read the file content and set the `data-preview-content` attribute on the + * file element + */ +function read_first_n_lines(event, + fileelement, + numlines, + firstlineheading = true) { + var thefile = fileelement.files[0]; + var reader = new FileReader(); + reader.addEventListener("load", (event) => { + var filecontent = event.target.result.split( + "\n").slice( + 0, (numlines + (firstlineheading ? 1 : 0))).map( + (line) => {return line.trim("\r");}); + fileelement.setAttribute( + "data-preview-content", JSON.stringify(filecontent)); + display_preview(event); + }) + reader.readAsText(thefile); +} + +function remove_rows(preview_table) { + var table_body = preview_table.getElementsByTagName("tbody")[0]; + while(table_body.children.length > 0) { + table_body.removeChild(table_body.children.item(0)); + } +} + +/* + * Display error row + */ +function display_error_row(preview_table, error_message) { + remove_rows(preview_table); + row = document.createElement("tr"); + cell = document.createElement("td"); + cell.setAttribute("colspan", 4); + cell.innerHTML = error_message; + row.appendChild(cell); + preview_table.getElementsByTagName("tbody")[0].appendChild(row); +} + +function strip(str, chars) { + var end = str.length; + var start = 0 + for(var j = str.length; j > 0; j--) { + if(!chars.includes(str[j - 1])) { + break; + } + end = end - 1; + } + for(var i = 0; i < end; i++) { + if(!chars.includes(str[i])) { + break; + } + start = start + 1; + } + return str.slice(start, end); +} + +function process_preview_data(preview_data, separator, delimiter) { + return preview_data.map((line) => { + return line.split(separator).map((field) => { + return strip(field, delimiter); + }); + }); +} + +function render_preview(preview_table, preview_data) { + remove_rows(preview_table); + var table_body = preview_table.getElementsByTagName("tbody")[0]; + preview_data.forEach((line) => { + var row = document.createElement("tr"); + line.forEach((field) => { + var cell = document.createElement("td"); + cell.innerHTML = field; + row.appendChild(cell); + }); + table_body.appendChild(row); + }); +} + +/* + * Display a preview of the data, relying on the user's selection. + */ +function display_preview(event) { + var data_preview_table = document.getElementById("tbl:samples-preview"); + remove_rows(data_preview_table); + + var separator = document.getElementById("select:separator").value; + if(separator === "other") { + separator = document.getElementById("txt:separator").value; + } + if(separator == "") { + display_error_row(data_preview_table, "Please provide a separator."); + return false; + } + + var delimiter = document.getElementById("txt:delimiter").value; + + var firstlineheading = document.getElementById("chk:heading").checked; + + var fileelement = document.getElementById("file:samples"); + var preview_data = JSON.parse( + fileelement.getAttribute("data-preview-content") || "[]"); + if(preview_data.length == 0) { + display_error_row( + data_preview_table, + "No file data to preview. Check that file is provided."); + } + + render_preview(data_preview_table, process_preview_data( + preview_data.slice(0 + (firstlineheading ? 1 : 0)), + separator, + delimiter)); +} + +document.getElementById("chk:heading").addEventListener( + "change", display_preview); +document.getElementById("select:separator").addEventListener( + "change", display_preview); +document.getElementById("txt:separator").addEventListener( + "keyup", display_preview); +document.getElementById("txt:delimiter").addEventListener( + "keyup", display_preview); +document.getElementById("file:samples").addEventListener( + "change", (event) => { + read_first_n_lines(event, + document.getElementById("file:samples"), + 30, + document.getElementById("chk:heading").checked); + }); diff --git a/uploader/static/js/utils.js b/uploader/static/js/utils.js new file mode 100644 index 0000000..045dd47 --- /dev/null +++ b/uploader/static/js/utils.js @@ -0,0 +1,10 @@ +function remove_children(element) { + Array.from(element.children).forEach(child => { + element.removeChild(child); + }); +} + +function trigger_change_event(element) { + evt = new Event("change"); + element.dispatchEvent(evt); +} |