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import * as inputActions from '../../actions/input';
import * as operationActions from '../../actions/operation';
import * as operations from '../../../shared/operations';
import * as keyUtils from '../../../shared/utils/keys';
import AddonEnabledUseCase from '../../usecases/AddonEnabledUseCase';
let addonEnabledUseCase = new AddonEnabledUseCase();
const mapStartsWith = (
mapping: keyUtils.Key[],
keys: keyUtils.Key[],
): boolean => {
if (mapping.length < keys.length) {
return false;
}
for (let i = 0; i < keys.length; ++i) {
if (!keyUtils.equals(mapping[i], keys[i])) {
return false;
}
}
return true;
};
export default class KeymapperComponent {
private store: any;
constructor(store: any) {
this.store = store;
}
// eslint-disable-next-line max-statements
key(key: keyUtils.Key): boolean {
this.store.dispatch(inputActions.keyPress(key));
let state = this.store.getState();
let input = state.input;
let keymaps = new Map<keyUtils.Key[], operations.Operation>(
state.setting.keymaps.map(
(e: {key: keyUtils.Key[], op: operations.Operation}) => [e.key, e.op],
)
);
let matched = Array.from(keymaps.keys()).filter(
(mapping: keyUtils.Key[]) => {
return mapStartsWith(mapping, input.keys);
});
if (!addonEnabledUseCase.getEnabled()) {
// available keymaps are only ADDON_ENABLE and ADDON_TOGGLE_ENABLED if
// the addon disabled
matched = matched.filter((keys) => {
let type = (keymaps.get(keys) as operations.Operation).type;
return type === operations.ADDON_ENABLE ||
type === operations.ADDON_TOGGLE_ENABLED;
});
}
if (matched.length === 0) {
this.store.dispatch(inputActions.clearKeys());
return false;
} else if (matched.length > 1 ||
matched.length === 1 && input.keys.length < matched[0].length) {
return true;
}
let operation = keymaps.get(matched[0]) as operations.Operation;
let act = operationActions.exec(
operation, state.setting,
);
this.store.dispatch(act);
this.store.dispatch(inputActions.clearKeys());
return true;
}
}
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