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Merge onUpArrow and onDownArrow into more general moveSelection

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This commit is contained in:
Pierre Boyer 2019-05-14 10:13:04 +02:00
parent 6e4c3bfe56
commit bb133c1ebc
1 changed files with 5 additions and 18 deletions
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23
src/components/views/rooms/Autocomplete.js
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@ -171,26 +171,13 @@ export default class Autocomplete extends React.Component {
}
// called from MessageComposerInput
onUpArrow(): ?Completion {
moveSelection(delta): ?Completion {
const completionCount = this.countCompletions();
// completionCount + 1, since 0 means composer is selected
const selectionOffset = (completionCount + 1 + this.state.selectionOffset - 1)
% (completionCount + 1);
if (!completionCount) {
return null;
}
this.setSelection(selectionOffset);
}
if (completionCount === 0) return; // there are no items to move the selection through
// called from MessageComposerInput
onDownArrow(): ?Completion {
const completionCount = this.countCompletions();
// completionCount + 1, since 0 means composer is selected
const selectionOffset = (this.state.selectionOffset + 1) % (completionCount + 1);
if (!completionCount) {
return null;
}
this.setSelection(selectionOffset);
// Note: selectionOffset 0 represents the unsubstituted text, while 1 means first pill selected
const index = (this.state.selectionOffset + delta + completionCount + 1) % (completionCount + 1);
this.setSelection(index);
}
onEscape(e): boolean {