103 lines
3.5 KiB
JavaScript
103 lines
3.5 KiB
JavaScript
// Make the class reference table sortable in ascending or descending order
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// when a header is clicked.
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// Helper function to return the content from the idx-th cell of row tr
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const getCellValue = (tr, idx) => tr.children[idx].textContent;
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// Array sorting functions for different columns used by the comparer
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// Compares the Desc. and Brief Desc. columns
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// "MISSING" comes first in ascending order
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const descriptionComparer = function(v1, v2) {
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if(v1 == v2) return 0
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if(v1 == "OK") return 1
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return -1
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}
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// Compares the Name and Docs URL columns using a basic string sort
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const stringComparer = (new Intl.Collator()).compare
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// Compares the Overall column by completion percentage
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const overallComparer = function(v1, v2) {
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return Number(v1.replace("%", "")) - Number(v2.replace("%", ""))
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}
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// Compares the other columns (constructors, methods, members, etc.)
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// by the percentage they're finished.
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// If two have the same percentage, they're compared by denominator size.
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const fractionComparer = (asc) => function(v1, v2) {
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if(v1 == v2) return 0
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// Always send 0/0 values to the bottom
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// The "asc" parameter is needed for that purpose.
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if(v1 == "0/0") {
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return asc ? 1 : -1
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}
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if(v2 == "0/0") {
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return asc ? -1 : 1
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}
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var v1fraction = v1.split("/")
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var v2fraction = v2.split("/")
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var v1decimal = Number(v1fraction[0]) / Number(v1fraction[1])
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var v2decimal = Number(v2fraction[0]) / Number(v2fraction[1])
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if(v1decimal == v2decimal) return v1fraction[1] - v2fraction[1]
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return v1decimal - v2decimal
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}
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// Returns a function responsible for sorting a specific table column
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// (column = column object, asc = ascending order?).
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const comparer = function(column, asc) {
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// This is used by the array.sort() function...
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return function(a, b) {
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const colIdx = Array.from(column.parentNode.children).indexOf(column)
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const colName = column.textContent
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// Select a function based on which column is being called.
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var columnComparer
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switch(colName) {
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case "Brief Desc.":
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case "Desc.":
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columnComparer = descriptionComparer
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break
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case "Name":
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case "Docs URL":
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columnComparer = stringComparer
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break
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case "Overall":
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columnComparer = overallComparer
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break
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default:
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columnComparer = fractionComparer(column.asc)
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break
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}
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// Switch the order of the values depending on whether it's an ascending or descending sort.
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return columnComparer(getCellValue(asc ? a : b, colIdx), getCellValue(asc ? b : a, colIdx));
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}
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};
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const SKIP_END_ROWS = 5 // The number of footer rows generated by doc_status.py
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// Set up event listeners that will sort the table when headers are clicked.
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window.onload = function()
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{
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document.querySelectorAll('th')
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.forEach(th =>
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th.addEventListener('click', (() =>
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{
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const table = th.closest('table');
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const tbody = table.querySelector('tbody')
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const trows = Array.from(tbody.querySelectorAll('tr'))
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trows.slice(0, -SKIP_END_ROWS)
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.sort(comparer(th, th.asc = !th.asc)) // Give each column an individual sort direction
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.concat(trows.splice(-SKIP_END_ROWS)) // Don't sort the last rows, as they are not class reference entries.
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.forEach(tr => tbody.appendChild(tr) );
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})));
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}
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