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js: Remove ancient IE createTextRange API.

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Signed-off-by: Anders Kaseorg <anders@zulip.com>
This commit is contained in:
Anders Kaseorg
2021-06-25 13:56:06 -07:00
committed by Tim Abbott
parent fa81ae3aa4
commit 9518545128
3 changed files with 12 additions and 28 deletions
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3
static/js/click_handlers.js
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@@ -181,8 +181,7 @@ export function initialize() {
// on the other hand, on mobile it should be done with a long tap. // on the other hand, on mobile it should be done with a long tap.
} else { } else {
$("#main_div").on("longtap", ".messagebox", function (e) { $("#main_div").on("longtap", ".messagebox", function (e) {
// find the correct selection API for the browser. const sel = window.getSelection();
const sel = window.getSelection ? window.getSelection() : document.selection;
// if one matches, remove the current selections. // if one matches, remove the current selections.
// after a longtap that is valid, there should be no text selected. // after a longtap that is valid, there should be no text selected.
if (sel) { if (sel) {

18
static/js/subs.js
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@@ -117,20 +117,12 @@ export function get_active_data() {
} }
function selectText(element) { function selectText(element) {
let range; const sel = window.getSelection();
let sel; const range = document.createRange();
if (window.getSelection) { range.selectNodeContents(element);
sel = window.getSelection();
range = document.createRange();
range.selectNodeContents(element);
sel.removeAllRanges(); sel.removeAllRanges();
sel.addRange(range); sel.addRange(range);
} else if (document.body.createTextRange) {
range = document.body.createTextRange();
range.moveToElementText(element);
range.select();
}
} }
function should_list_all_streams() { function should_list_all_streams() {

19
static/js/ui_util.js
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@@ -11,19 +11,12 @@ export function change_tab_to(tabname) {
export function place_caret_at_end(el) { export function place_caret_at_end(el) {
el.focus(); el.focus();
if (window.getSelection !== undefined && document.createRange !== undefined) { const range = document.createRange();
const range = document.createRange(); range.selectNodeContents(el);
range.selectNodeContents(el); range.collapse(false);
range.collapse(false); const sel = window.getSelection();
const sel = window.getSelection(); sel.removeAllRanges();
sel.removeAllRanges(); sel.addRange(range);
sel.addRange(range);
} else if (document.body.createTextRange !== undefined) {
const textRange = document.body.createTextRange();
textRange.moveToElementText(el);
textRange.collapse(false);
textRange.select();
}
} }
export function blur_active_element() { export function blur_active_element() {