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fix: LineCursor can loop forward, but not back #8926

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Merged
gonfunko merged 3 commits into from
Apr 25, 2025
Merged

fix: LineCursor can loop forward, but not back #8926

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9c13f0e
fix: loop cursor when moving to prev node
microbit-grace Apr 23, 2025
e2fedc1
chore: add loop tests for LineCursor prev and out
microbit-grace Apr 24, 2025
1670062
chore: fix out loop test for line cursor
microbit-grace Apr 25, 2025
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7 changes: 5 additions & 2 deletions core/keyboard_nav/line_cursor.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -146,10 +146,12 @@ export class LineCursor extends Marker {
if (!curNode) {
return null;
}
const newNode = this.getPreviousNodeImpl(
const newNode = this.getPreviousNode(
curNode,
this.validLineNode.bind(this),
true,
);

if (newNode) {
this.setCurNode(newNode);
}
Expand All @@ -168,9 +170,10 @@ export class LineCursor extends Marker {
if (!curNode) {
return null;
}
const newNode = this.getPreviousNodeImpl(
const newNode = this.getPreviousNode(
curNode,
this.validInLineNode.bind(this),
true,
);

if (newNode) {
Expand Down
18 changes: 18 additions & 0 deletions tests/mocha/cursor_test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,15 @@ suite('Cursor', function () {
assert.equal(curNode.getLocation(), this.blocks.A.nextConnection);
});

test('Prev - From first connection loop to last next connection', function () {
const prevConnection = this.blocks.A.previousConnection;
const prevConnectionNode = ASTNode.createConnectionNode(prevConnection);
this.cursor.setCurNode(prevConnectionNode);
this.cursor.prev();
const curNode = this.cursor.getCurNode();
assert.equal(curNode.getLocation(), this.blocks.D.nextConnection);
});

test('Out - From field does not skip over block node', function () {
const field = this.blocks.E.inputList[0].fieldRow[0];
const fieldNode = ASTNode.createFieldNode(field);
Expand All @@ -133,6 +142,15 @@ suite('Cursor', function () {
const curNode = this.cursor.getCurNode();
assert.equal(curNode.getLocation(), this.blocks.E);
});

test('Out - From first connection loop to last next connection', function () {
const prevConnection = this.blocks.A.previousConnection;
const prevConnectionNode = ASTNode.createConnectionNode(prevConnection);
this.cursor.setCurNode(prevConnectionNode);
this.cursor.prev();
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const curNode = this.cursor.getCurNode();
assert.equal(curNode.getLocation(), this.blocks.D.nextConnection);
});
});
suite('Searching', function () {
setup(function () {
Expand Down