Merge onUpArrow and onDownArrow into more general moveSelection
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1 changed files with 5 additions and 18 deletions
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@ -171,26 +171,13 @@ export default class Autocomplete extends React.Component {
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}
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// called from MessageComposerInput
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onUpArrow(): ?Completion {
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moveSelection(delta): ?Completion {
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const completionCount = this.countCompletions();
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// completionCount + 1, since 0 means composer is selected
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const selectionOffset = (completionCount + 1 + this.state.selectionOffset - 1)
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% (completionCount + 1);
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if (!completionCount) {
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return null;
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}
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this.setSelection(selectionOffset);
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}
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if (completionCount === 0) return; // there are no items to move the selection through
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// called from MessageComposerInput
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onDownArrow(): ?Completion {
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const completionCount = this.countCompletions();
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// completionCount + 1, since 0 means composer is selected
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const selectionOffset = (this.state.selectionOffset + 1) % (completionCount + 1);
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if (!completionCount) {
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return null;
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}
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this.setSelection(selectionOffset);
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// Note: selectionOffset 0 represents the unsubstituted text, while 1 means first pill selected
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const index = (this.state.selectionOffset + delta + completionCount + 1) % (completionCount + 1);
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this.setSelection(index);
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}
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onEscape(e): boolean {
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