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Revert "compose: Fix cursor placement timing bug when selecting a typeahead."

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This reverts commit 76e50af78e.

Empirically, this caused weird issues with the cursor jumping around,
so more investigation is required into the right way to fix it.
This commit is contained in:
Tim Abbott 2019-07-25 18:09:01 -07:00
parent 8c9dd6198f
commit fac886ce05
2 changed files with 36 additions and 39 deletions
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64
frontend_tests/node_tests/composebox_typeahead.js
View File

@ -260,7 +260,7 @@ run_test('topics_seen_for', () => {
run_test('content_typeahead_selected', () => {
var fake_this = {
query: '',
$element: $('#compose-textarea'),
$element: {},
};
var caret_called1 = false;
var caret_called2 = false;
@ -269,23 +269,22 @@ run_test('content_typeahead_selected', () => {
caret_called1 = true;
return fake_this.query.length;
}
// .caret() used in $textbox.change()
// .caret() used in setTimeout
assert.equal(arg1, arg2);
caret_called2 = true;
};
const call_content_typeahead_selected = function (item) {
const actual_value = ct.content_typeahead_selected.call(fake_this, item);
fake_this.$element.trigger('change');
return actual_value;
};
var autosize_called = false;
set_global('compose_ui', {
autosize_textarea: function () {
autosize_called = true;
},
});
var set_timeout_called = false;
global.patch_builtin('setTimeout', function (f, time) {
f();
assert.equal(time, 0);
set_timeout_called = true;
});
set_global('document', 'document-stub');
// emoji
@ -296,19 +295,19 @@ run_test('content_typeahead_selected', () => {
emoji_name: 'octopus',
};
var actual_value = call_content_typeahead_selected(item);
var actual_value = ct.content_typeahead_selected.call(fake_this, item);
var expected_value = ':octopus: ';
assert.equal(actual_value, expected_value);
fake_this.query = ' :octo';
fake_this.token = 'octo';
actual_value = call_content_typeahead_selected(item);
actual_value = ct.content_typeahead_selected.call(fake_this, item);
expected_value = ' :octopus: ';
assert.equal(actual_value, expected_value);
fake_this.query = '{:octo';
fake_this.token = 'octo';
actual_value = call_content_typeahead_selected(item);
actual_value = ct.content_typeahead_selected.call(fake_this, item);
expected_value = '{ :octopus: ';
assert.equal(actual_value, expected_value);
@ -319,7 +318,7 @@ run_test('content_typeahead_selected', () => {
fake_this.query = '@**Mark Tw';
fake_this.token = 'Mark Tw';
actual_value = call_content_typeahead_selected(twin1);
actual_value = ct.content_typeahead_selected.call(fake_this, twin1);
expected_value = '@**Mark Twin|105** ';
assert.equal(actual_value, expected_value);
@ -332,25 +331,25 @@ run_test('content_typeahead_selected', () => {
fake_this.query = '@oth';
fake_this.token = 'oth';
actual_value = call_content_typeahead_selected(othello);
actual_value = ct.content_typeahead_selected.call(fake_this, othello);
expected_value = '@**Othello, the Moor of Venice** ';
assert.equal(actual_value, expected_value);
fake_this.query = 'Hello @oth';
fake_this.token = 'oth';
actual_value = call_content_typeahead_selected(othello);
actual_value = ct.content_typeahead_selected.call(fake_this, othello);
expected_value = 'Hello @**Othello, the Moor of Venice** ';
assert.equal(actual_value, expected_value);
fake_this.query = '@**oth';
fake_this.token = 'oth';
actual_value = call_content_typeahead_selected(othello);
actual_value = ct.content_typeahead_selected.call(fake_this, othello);
expected_value = '@**Othello, the Moor of Venice** ';
assert.equal(actual_value, expected_value);
fake_this.query = '@*oth';
fake_this.token = 'oth';
actual_value = call_content_typeahead_selected(othello);
actual_value = ct.content_typeahead_selected.call(fake_this, othello);
expected_value = '@**Othello, the Moor of Venice** ';
assert.equal(actual_value, expected_value);
@ -365,25 +364,25 @@ run_test('content_typeahead_selected', () => {
fake_this.query = '@_kin';
fake_this.token = 'kin';
actual_value = call_content_typeahead_selected(hamlet);
actual_value = ct.content_typeahead_selected.call(fake_this, hamlet);
expected_value = '@_**King Hamlet** ';
assert.equal(actual_value, expected_value);
fake_this.query = 'Hello @_kin';
fake_this.token = 'kin';
actual_value = call_content_typeahead_selected(hamlet);
actual_value = ct.content_typeahead_selected.call(fake_this, hamlet);
expected_value = 'Hello @_**King Hamlet** ';
assert.equal(actual_value, expected_value);
fake_this.query = '@_*kin';
fake_this.token = 'kin';
actual_value = call_content_typeahead_selected(hamlet);
actual_value = ct.content_typeahead_selected.call(fake_this, hamlet);
expected_value = '@_**King Hamlet** ';
assert.equal(actual_value, expected_value);
fake_this.query = '@_**kin';
fake_this.token = 'kin';
actual_value = call_content_typeahead_selected(hamlet);
actual_value = ct.content_typeahead_selected.call(fake_this, hamlet);
expected_value = '@_**King Hamlet** ';
assert.equal(actual_value, expected_value);
@ -397,19 +396,19 @@ run_test('content_typeahead_selected', () => {
fake_this.query = '@back';
fake_this.token = 'back';
actual_value = call_content_typeahead_selected(backend);
actual_value = ct.content_typeahead_selected.call(fake_this, backend);
expected_value = '@*Backend* ';
assert.equal(actual_value, expected_value);
fake_this.query = '@*back';
fake_this.token = 'back';
actual_value = call_content_typeahead_selected(backend);
actual_value = ct.content_typeahead_selected.call(fake_this, backend);
expected_value = '@*Backend* ';
assert.equal(actual_value, expected_value);
fake_this.query = '/m';
fake_this.completing = 'slash';
actual_value = call_content_typeahead_selected(me_slash);
actual_value = ct.content_typeahead_selected.call(fake_this, me_slash);
expected_value = '/me ';
assert.equal(actual_value, expected_value);
@ -424,19 +423,19 @@ run_test('content_typeahead_selected', () => {
fake_this.query = '#swed';
fake_this.token = 'swed';
actual_value = call_content_typeahead_selected(sweden_stream);
actual_value = ct.content_typeahead_selected.call(fake_this, sweden_stream);
expected_value = '#**Sweden** ';
assert.equal(actual_value, expected_value);
fake_this.query = 'Hello #swed';
fake_this.token = 'swed';
actual_value = call_content_typeahead_selected(sweden_stream);
actual_value = ct.content_typeahead_selected.call(fake_this, sweden_stream);
expected_value = 'Hello #**Sweden** ';
assert.equal(actual_value, expected_value);
fake_this.query = '#**swed';
fake_this.token = 'swed';
actual_value = call_content_typeahead_selected(sweden_stream);
actual_value = ct.content_typeahead_selected.call(fake_this, sweden_stream);
expected_value = '#**Sweden** ';
assert.equal(actual_value, expected_value);
@ -445,19 +444,19 @@ run_test('content_typeahead_selected', () => {
fake_this.query = '~~~p';
fake_this.token = 'p';
actual_value = call_content_typeahead_selected('python');
actual_value = ct.content_typeahead_selected.call(fake_this, 'python');
expected_value = '~~~python\n\n~~~';
assert.equal(actual_value, expected_value);
fake_this.query = 'Hello ~~~p';
fake_this.token = 'p';
actual_value = call_content_typeahead_selected('python');
actual_value = ct.content_typeahead_selected.call(fake_this, 'python');
expected_value = 'Hello ~~~python\n\n~~~';
assert.equal(actual_value, expected_value);
fake_this.query = '```p';
fake_this.token = 'p';
actual_value = call_content_typeahead_selected('python');
actual_value = ct.content_typeahead_selected.call(fake_this, 'python');
expected_value = '```python\n\n```';
assert.equal(actual_value, expected_value);
@ -467,20 +466,21 @@ run_test('content_typeahead_selected', () => {
fake_this.$element.caret = function () {
return 4; // Put cursor right after ```p
};
actual_value = call_content_typeahead_selected('python');
actual_value = ct.content_typeahead_selected.call(fake_this, 'python');
expected_value = '```python\nsome existing code';
assert.equal(actual_value, expected_value);
fake_this.completing = 'something-else';
fake_this.query = 'foo';
actual_value = call_content_typeahead_selected({});
actual_value = ct.content_typeahead_selected.call(fake_this, {});
expected_value = fake_this.query;
assert.equal(actual_value, expected_value);
assert(caret_called1);
assert(caret_called2);
assert(autosize_called);
assert(set_timeout_called);
assert(document_stub_trigger1_called);
assert(document_stub_group_trigger_called);
assert(document_stub_trigger2_called);

11
static/js/composebox_typeahead.js
View File

@ -689,16 +689,13 @@ exports.content_typeahead_selected = function (item, event) {
beginning = beginning.substring(0, start) + item + '** ';
}
// Keep the cursor after the newly inserted text. Because Bootstrap's default
// textbox.change() handler will end up jumping the cursor to the end of the
// textbox, we overwrite it with a custom version that puts the cursor at the
// end of the completion.
this.$element.off('change').on('change', function () {
// Keep the cursor after the newly inserted text, as Bootstrap will call textbox.change() to
// overwrite the text in the textbox.
setTimeout(function () {
textbox.caret(beginning.length, beginning.length);
// Also, trigger autosize to check if compose box needs to be resized.
compose_ui.autosize_textarea();
});
}, 0);
return beginning + rest;
};