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add bulk selection by click and drag over table rows

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Richard Schreiber
2021-02-18 21:05:30 +01:00
parent 8be2f9ad6b
commit fb7d38ede0
1 changed files with 72 additions and 0 deletions
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72
src/pretix/static/pretixcontrol/js/ui/main.js
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@@ -673,6 +673,78 @@ $(function () {
$("input[data-toggle-table]").each(function (ev) {
var $toggle = $(this);
var $table = $toggle.closest("table");
var $rows = $table.find("tbody tr");
var $checkboxes = $rows.find("td:first-child input[type=checkbox]");
var firstIndex, lastIndex, currentIndex, selectionChecked, onChangeSelectionHappened = false;
var updateSelection = function(a, b, checked) {
if (a > b) {
//[a, b] = [b, a];// ES6 not ready yet for pretix
var tmp = a;
a = b;
b = tmp;
}
for (var i = a; i <= b; i++) {
var checkbox = $checkboxes.get(i);
if (!checkbox.hasAttribute("data-inital")) checkbox.setAttribute("data-inital", checkbox.checked);
if (checked === undefined || checked === null) checkbox.checked = checkbox.getAttribute("data-inital") === "true";
else checkbox.checked = checked;
}
};
var onChangeSelection = function(ev) {
onChangeSelectionHappened = true;
var row = ev.target.closest("tr");
currentIndex = 0;
while(row = row.previousSibling) {
if (row.tagName) currentIndex++;
}
if (currentIndex > firstIndex && currentIndex > lastIndex) {
// special case: selection direction changed
if (lastIndex < firstIndex) {
// reset all selected checkboxes before setting new lastIndex
updateSelection(lastIndex, firstIndex);
}
lastIndex = currentIndex;
} else if (currentIndex < firstIndex && currentIndex < lastIndex) {
// special case: selection direction changed
if (lastIndex > firstIndex) {
// reset all selected checkboxes before setting new lastIndex
updateSelection(firstIndex, lastIndex);
}
lastIndex = currentIndex;
}
if (currentIndex != lastIndex) updateSelection(currentIndex, lastIndex);
updateSelection(firstIndex, currentIndex, selectionChecked);
ev.preventDefault();
};
$table.on("pointerdown", function(ev) {
if (!ev.target.closest("td:first-child")) return;
var row = ev.target.closest("tr");
selectionChecked = !row.querySelector("td:first-child input").checked;
firstIndex = 0;
while(row = row.previousSibling) {
if (row.tagName) firstIndex++;
}
lastIndex = currentIndex = firstIndex;
ev.preventDefault();
$rows.on("pointerenter", onChangeSelection);
}).on("pointerup", function(ev) {
if (onChangeSelectionHappened) {
ev.preventDefault();
onChangeSelectionHappened = false;
$checkboxes.removeAttr("data-inital");
update();
}
$rows.off("pointerenter", onChangeSelection);
});
var update = function () {
var all_true = true;
var all_false = true;