122 lines
4.1 KiB
JavaScript
122 lines
4.1 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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replaceParts: [this._partCreator.plain(this._queryPart.text)],
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close: true,
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});
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}
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close() {
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this._updateCallback({close: true});
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}
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hasSelection() {
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return this._getAutocompleterComponent().hasSelection();
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}
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hasCompletions() {
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const ac = this._getAutocompleterComponent();
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return ac && ac.countCompletions() > 0;
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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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}
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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, pos) {
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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._partIndex = pos.index;
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return 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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replaceParts: [this._queryPart],
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});
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} else {
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this._updateCallback({
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replaceParts: 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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replaceParts: 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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switch (completion.type) {
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case "room":
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return [this._partCreator.roomPill(text, completionId), this._partCreator.plain(completion.suffix)];
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case "at-room":
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return [this._partCreator.atRoomPill(completionId), this._partCreator.plain(completion.suffix)];
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case "user":
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// not using suffix here, because we also need to calculate
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// the suffix when clicking a display name to insert a mention,
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// which happens in createMentionParts
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return this._partCreator.createMentionParts(this._partIndex, text, completionId);
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case "command":
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// command needs special handling for auto complete, but also renders as plain texts
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return [this._partCreator.command(text)];
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default:
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// used for emoji and other plain text completion replacement
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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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