django-test/staticfiles/admin/js/actions.js

202 lines
7.7 KiB
JavaScript
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*global gettext, interpolate, ngettext*/
'use strict';
{
function show(selector) {
document.querySelectorAll(selector).forEach(function(el) {
el.classList.remove('hidden');
});
}
function hide(selector) {
document.querySelectorAll(selector).forEach(function(el) {
el.classList.add('hidden');
});
}
function showQuestion(options) {
hide(options.acrossClears);
show(options.acrossQuestions);
hide(options.allContainer);
}
function showClear(options) {
show(options.acrossClears);
hide(options.acrossQuestions);
document.querySelector(options.actionContainer).classList.remove(options.selectedClass);
show(options.allContainer);
hide(options.counterContainer);
}
function reset(options) {
hide(options.acrossClears);
hide(options.acrossQuestions);
hide(options.allContainer);
show(options.counterContainer);
}
function clearAcross(options) {
reset(options);
const acrossInputs = document.querySelectorAll(options.acrossInput);
acrossInputs.forEach(function(acrossInput) {
acrossInput.value = 0;
});
document.querySelector(options.actionContainer).classList.remove(options.selectedClass);
}
function checker(actionCheckboxes, options, checked) {
if (checked) {
showQuestion(options);
} else {
reset(options);
}
actionCheckboxes.forEach(function(el) {
el.checked = checked;
el.closest('tr').classList.toggle(options.selectedClass, checked);
});
}
function updateCounter(actionCheckboxes, options) {
const sel = Array.from(actionCheckboxes).filter(function(el) {
return el.checked;
}).length;
const counter = document.querySelector(options.counterContainer);
// data-actions-icnt is defined in the generated HTML
// and contains the total amount of objects in the queryset
const actions_icnt = Number(counter.dataset.actionsIcnt);
counter.textContent = interpolate(
ngettext('%(sel)s of %(cnt)s selected', '%(sel)s of %(cnt)s selected', sel), {
sel: sel,
cnt: actions_icnt
}, true);
const allToggle = document.getElementById(options.allToggleId);
allToggle.checked = sel === actionCheckboxes.length;
if (allToggle.checked) {
showQuestion(options);
} else {
clearAcross(options);
}
}
const defaults = {
actionContainer: "div.actions",
counterContainer: "span.action-counter",
allContainer: "div.actions span.all",
acrossInput: "div.actions input.select-across",
acrossQuestions: "div.actions span.question",
acrossClears: "div.actions span.clear",
allToggleId: "action-toggle",
selectedClass: "selected"
};
window.Actions = function(actionCheckboxes, options) {
options = Object.assign({}, defaults, options);
let list_editable_changed = false;
let lastChecked = null;
let shiftPressed = false;
document.addEventListener('keydown', (event) => {
shiftPressed = event.shiftKey;
});
document.addEventListener('keyup', (event) => {
shiftPressed = event.shiftKey;
});
document.getElementById(options.allToggleId).addEventListener('click', function(event) {
checker(actionCheckboxes, options, this.checked);
updateCounter(actionCheckboxes, options);
});
document.querySelectorAll(options.acrossQuestions + " a").forEach(function(el) {
el.addEventListener('click', function(event) {
event.preventDefault();
const acrossInputs = document.querySelectorAll(options.acrossInput);
acrossInputs.forEach(function(acrossInput) {
acrossInput.value = 1;
});
showClear(options);
});
});
document.querySelectorAll(options.acrossClears + " a").forEach(function(el) {
el.addEventListener('click', function(event) {
event.preventDefault();
document.getElementById(options.allToggleId).checked = false;
clearAcross(options);
checker(actionCheckboxes, options, false);
updateCounter(actionCheckboxes, options);
});
});
function affectedCheckboxes(target, withModifier) {
const multiSelect = (lastChecked && withModifier && lastChecked !== target);
if (!multiSelect) {
return [target];
}
const checkboxes = Array.from(actionCheckboxes);
const targetIndex = checkboxes.findIndex(el => el === target);
const lastCheckedIndex = checkboxes.findIndex(el => el === lastChecked);
const startIndex = Math.min(targetIndex, lastCheckedIndex);
const endIndex = Math.max(targetIndex, lastCheckedIndex);
const filtered = checkboxes.filter((el, index) => (startIndex <= index) && (index <= endIndex));
return filtered;
};
Array.from(document.getElementById('result_list').tBodies).forEach(function(el) {
el.addEventListener('change', function(event) {
const target = event.target;
if (target.classList.contains('action-select')) {
const checkboxes = affectedCheckboxes(target, shiftPressed);
checker(checkboxes, options, target.checked);
updateCounter(actionCheckboxes, options);
lastChecked = target;
} else {
list_editable_changed = true;
}
});
});
document.querySelector('#changelist-form button[name=index]').addEventListener('click', function(event) {
if (list_editable_changed) {
const confirmed = confirm(gettext("You have unsaved changes on individual editable fields. If you run an action, your unsaved changes will be lost."));
if (!confirmed) {
event.preventDefault();
}
}
});
const el = document.querySelector('#changelist-form input[name=_save]');
// The button does not exist if no fields are editable.
if (el) {
el.addEventListener('click', function(event) {
if (document.querySelector('[name=action]').value) {
const text = list_editable_changed
? gettext("You have selected an action, but you havent saved your changes to individual fields yet. Please click OK to save. Youll need to re-run the action.")
: gettext("You have selected an action, and you havent made any changes on individual fields. Youre probably looking for the Go button rather than the Save button.");
if (!confirm(text)) {
event.preventDefault();
}
}
});
}
};
// Call function fn when the DOM is loaded and ready. If it is already
// loaded, call the function now.
// http://youmightnotneedjquery.com/#ready
function ready(fn) {
if (document.readyState !== 'loading') {
fn();
} else {
document.addEventListener('DOMContentLoaded', fn);
}
}
ready(function() {
const actionsEls = document.querySelectorAll('tr input.action-select');
if (actionsEls.length > 0) {
Actions(actionsEls);
}
});
}