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b4d83446dc
We want to avoid doing too much setup for the info overlay widget during initialization, since we don't really need it, and side effects like focusing a modal can cause hard-to-detect glitches for other features.
111 lines
2.7 KiB
JavaScript
111 lines
2.7 KiB
JavaScript
var info_overlay = (function () {
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var exports = {};
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function adjust_mac_shortcuts() {
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var keys_map = [
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['Backspace', 'Delete'],
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['Enter', 'Return'],
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['Home', 'Fn + Left'],
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['End', 'Fn + Right'],
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['PgUp', 'Fn + Up'],
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['PgDn', 'Fn + Down'],
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];
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$(".hotkeys_table").each(function () {
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var html = $(this).html();
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keys_map.forEach(function (pair) {
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html = html.replace(new RegExp(pair[0]), pair[1]);
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});
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$(this).html(html);
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});
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}
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// Make it explicit that our toggler is undefined until
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// set_up_toggler is called.
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exports.toggler = undefined;
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exports.set_up_toggler = function () {
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var opts = {
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selected: 0,
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child_wants_focus: true,
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values: [
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{ label: i18n.t("Keyboard shortcuts"), key: "keyboard-shortcuts" },
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{ label: i18n.t("Message formatting"), key: "markdown-help" },
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{ label: i18n.t("Search operators"), key: "search-operators" },
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],
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callback: function (name, key) {
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$(".overlay-modal").hide();
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$("#" + key).show();
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$("#" + key).find(".modal-body").focus();
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},
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};
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var toggler = components.toggle(opts);
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var elem = toggler.get();
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elem.addClass('large');
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var modals = _.map(opts.values, function (item) {
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var key = item.key; // e.g. markdown-help
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var modal = $('#' + key).find('.modal-body');
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return modal;
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});
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_.each(modals, function (modal) {
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keydown_util.handle({
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elem: modal,
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handlers: {
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left_arrow: toggler.maybe_go_left,
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right_arrow: toggler.maybe_go_right,
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},
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});
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});
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$(".informational-overlays .overlay-tabs").append(elem);
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if (/Mac/i.test(navigator.userAgent)) {
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adjust_mac_shortcuts();
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}
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exports.toggler = toggler;
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};
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exports.show = function (target) {
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if (!exports.toggler) {
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exports.set_up_toggler();
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}
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var overlay = $(".informational-overlays");
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if (!overlay.hasClass("show")) {
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overlays.open_overlay({
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name: 'informationalOverlays',
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overlay: overlay,
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on_close: function () {
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hashchange.changehash("");
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},
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});
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}
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if (target) {
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exports.toggler.goto(target);
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}
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};
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exports.maybe_show_keyboard_shortcuts = function () {
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if (overlays.is_active()) {
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return;
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}
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if (popovers.any_active()) {
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return;
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}
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exports.show("keyboard-shortcuts");
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};
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return exports;
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}());
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if (typeof module !== 'undefined') {
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module.exports = info_overlay;
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}
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