111 lines
3.5 KiB
JavaScript
111 lines
3.5 KiB
JavaScript
/*
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Copyright 2019 New Vector Ltd
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Copyright 2019 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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export default class AutocompleteWrapperModel {
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constructor(updateCallback, getAutocompleterComponent, updateQuery, partCreator) {
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this._updateCallback = updateCallback;
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this._getAutocompleterComponent = getAutocompleterComponent;
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this._updateQuery = updateQuery;
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this._partCreator = partCreator;
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this._query = null;
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}
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onEscape(e) {
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this._getAutocompleterComponent().onEscape(e);
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this._updateCallback({
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replacePart: this._partCreator.plain(this._queryPart.text),
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caretOffset: this._queryOffset,
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close: true,
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});
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}
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onEnter() {
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this._updateCallback({close: true});
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}
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async onTab(e) {
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const acComponent = this._getAutocompleterComponent();
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if (acComponent.countCompletions() === 0) {
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// Force completions to show for the text currently entered
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await acComponent.forceComplete();
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// Select the first item by moving "down"
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await acComponent.moveSelection(+1);
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} else {
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await acComponent.moveSelection(e.shiftKey ? -1 : +1);
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}
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this._updateCallback({
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close: true,
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});
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}
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onUpArrow() {
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this._getAutocompleterComponent().moveSelection(-1);
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}
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onDownArrow() {
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this._getAutocompleterComponent().moveSelection(+1);
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}
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onPartUpdate(part, offset) {
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// cache the typed value and caret here
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// so we can restore it in onComponentSelectionChange when the value is undefined (meaning it should be the typed text)
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this._queryPart = part;
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this._queryOffset = offset;
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this._updateQuery(part.text);
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}
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onComponentSelectionChange(completion) {
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if (!completion) {
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this._updateCallback({
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replacePart: this._queryPart,
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caretOffset: this._queryOffset,
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});
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} else {
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this._updateCallback({
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replacePart: this._partForCompletion(completion),
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});
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}
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}
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onComponentConfirm(completion) {
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this._updateCallback({
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replacePart: this._partForCompletion(completion),
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close: true,
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});
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}
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_partForCompletion(completion) {
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const {completionId} = completion;
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const text = completion.completion;
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const firstChr = completionId && completionId[0];
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switch (firstChr) {
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case "@": {
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if (completionId === "@room") {
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return this._partCreator.atRoomPill(completionId);
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} else {
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return this._partCreator.userPill(text, completionId);
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}
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}
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case "#":
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return this._partCreator.roomPill(completionId);
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// also used for emoji completion
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default:
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return this._partCreator.plain(text);
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}
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}
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}
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