119 lines
4.1 KiB
JavaScript
119 lines
4.1 KiB
JavaScript
// Stupid jQuery table plugin.
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// Call on a table
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// sortFns: Sort functions for your datatypes.
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(function($) {
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$.fn.stupidtable = function(sortFns) {
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return this.each(function() {
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var $table = $(this);
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sortFns = sortFns || {};
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// Merge sort functions with some default sort functions.
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sortFns = $.extend({}, $.fn.stupidtable.default_sort_fns, sortFns);
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// ==================================================== //
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// Begin execution! //
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// ==================================================== //
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// Do sorting when THs are clicked
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$table.on("click.stupidtable", "thead th", function() {
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var $this = $(this);
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var th_index = 0;
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var dir = $.fn.stupidtable.dir;
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// Account for colspans
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$this.parents("tr").find("th").slice(0, $this.index() + 1).each(function() {
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var cols = $(this).attr("colspan") || 1;
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th_index += parseInt(cols,10);
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});
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th_index = th_index - 1;
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// Determine (and/or reverse) sorting direction, default `asc`
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var sort_dir = $this.data("sortDefault") || dir.ASC;
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if ($this.data("sortDir"))
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sort_dir = $this.data("sortDir") === dir.ASC ? dir.DESC : dir.ASC;
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// Choose appropriate sorting function.
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var type = $this.data("sort") || null;
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// Prevent sorting if no type defined
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if (type === null) {
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return;
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}
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// Trigger `beforetablesort` event that calling scripts can hook into;
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// pass parameters for sorted column index and sorting direction
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$table.trigger("beforetablesort", {column: $this.index(), direction: sort_dir});
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// More reliable method of forcing a redraw
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$table.css("display");
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// Run sorting asynchronously on a timeout to force browser redraw after
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// `beforetablesort` callback. Also avoids locking up the browser too much.
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setTimeout(function() {
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// Gather the elements for this column
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var sortMethod = sortFns[type];
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$table.children("tbody").each(function(index,tbody){
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var column = [];
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var $tbody = $(tbody);
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var trs = $tbody.children("tr").not('[data-sort-ignore]');
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// Extract the data for the column that needs to be sorted and pair it up
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// with the TR itself into a tuple
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trs.each(function(index,tr) {
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var $e = $(tr).children().eq(th_index);
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var sort_val = $e.data("sortValue");
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var order_by = typeof(sort_val) !== "undefined" ? sort_val : $e.text();
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column.push([order_by, tr]);
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});
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// Sort by the data-order-by value
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column.sort(function(a, b) { return sortMethod(a[0], b[0]); });
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if (sort_dir != dir.ASC)
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column.reverse();
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// Replace the content of tbody with the sorted rows. Strangely (and
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// conveniently!) enough, .append accomplishes this for us.
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trs = $.map(column, function(kv) { return kv[1]; });
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$tbody.append(trs);
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});
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// Reset siblings
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$table.find("th").data("sortDir", null).removeClass("sorting-desc sorting-asc");
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$this.data("sortDir", sort_dir).addClass("sorting-"+sort_dir);
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// Trigger `aftertablesort` event. Similar to `beforetablesort`
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$table.trigger("aftertablesort", {column: $this.index(), direction: sort_dir});
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// More reliable method of forcing a redraw
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$table.css("display");
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}, 10);
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});
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});
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};
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// Enum containing sorting directions
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$.fn.stupidtable.dir = {ASC: "asc", DESC: "desc"};
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$.fn.stupidtable.default_sort_fns = {
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"int": function(a, b) {
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return parseInt(a, 10) - parseInt(b, 10);
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},
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"float": function(a, b) {
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return parseFloat(a) - parseFloat(b);
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},
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"string": function(a, b) {
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return a.localeCompare(b);
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},
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"string-ins": function(a, b) {
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a = a.toLocaleLowerCase();
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b = b.toLocaleLowerCase();
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return a.localeCompare(b);
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}
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};
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})(jQuery);
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