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import React from "react";
import * as consoleActions from "../actions/console";
import * as completionActions from "../actions/completion";
import AppContext from "./AppContext";
import CommandLineParser, {
InputPhase,
} from "../commandline/CommandLineParser";
import Completion from "./console/Completion";
import Input from "./console//Input";
import { Command } from "../../shared/Command";
import styled from "styled-components";
import reducer, { defaultState, completedText } from "../reducers/completion";
import CompletionType from "../../shared/CompletionType";
import useAutoResize from "../hooks/useAutoResize";
const COMPLETION_MAX_ITEMS = 33;
const ConsoleWrapper = styled.div`
border-top: 1px solid gray;
`;
const CommandPrompt: React.FC = () => {
const { state, dispatch } = React.useContext(AppContext);
const [completionState, completionDispatch] = React.useReducer(
reducer,
defaultState
);
const commandLineParser = new CommandLineParser();
useAutoResize();
const onBlur = () => {
dispatch(consoleActions.hideCommand());
};
const doEnter = (e: React.KeyboardEvent<HTMLInputElement>) => {
e.stopPropagation();
e.preventDefault();
const value = (e.target as HTMLInputElement).value;
dispatch(consoleActions.enterCommand(value));
};
const selectNext = (e: React.KeyboardEvent<HTMLInputElement>) => {
completionDispatch(completionActions.completionNext());
e.stopPropagation();
e.preventDefault();
};
const selectPrev = (e: React.KeyboardEvent<HTMLInputElement>) => {
completionDispatch(completionActions.completionPrev());
e.stopPropagation();
e.preventDefault();
};
const onKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
switch (e.key) {
case "Escape":
dispatch(consoleActions.hideCommand());
break;
case "Enter":
doEnter(e);
break;
case "Tab":
if (e.shiftKey) {
completionDispatch(completionActions.completionPrev());
} else {
completionDispatch(completionActions.completionNext());
}
e.stopPropagation();
e.preventDefault();
break;
case "[":
if (e.ctrlKey) {
e.preventDefault();
dispatch(consoleActions.hideCommand());
}
break;
case "c":
if (e.ctrlKey) {
e.preventDefault();
dispatch(consoleActions.hideCommand());
}
break;
case "m":
if (e.ctrlKey) {
doEnter(e);
}
break;
case "n":
if (e.ctrlKey) {
selectNext(e);
}
break;
case "p":
if (e.ctrlKey) {
selectPrev(e);
}
break;
}
};
const onChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const text = e.target.value;
dispatch(consoleActions.setConsoleText(text));
const action = getCompletionAction(text);
Promise.resolve(action).then((a) => {
if (a) {
completionDispatch(a);
}
});
};
React.useEffect(() => {
completionActions.startCompletion().then((action) => {
completionDispatch(action);
const completionAction = getCompletionAction(
state.consoleText,
action.completionTypes
);
Promise.resolve(completionAction).then((a) => {
if (a) {
completionDispatch(a);
}
});
});
}, []);
const getCompletionAction = (
text: string,
completionTypes: CompletionType[] | undefined = undefined
) => {
const types = completionTypes || completionState.completionTypes;
const phase = commandLineParser.inputPhase(text);
if (phase === InputPhase.OnCommand) {
return completionActions.getCommandCompletions(text);
} else {
const cmd = commandLineParser.parse(text);
switch (cmd.command) {
case Command.Open:
case Command.TabOpen:
case Command.WindowOpen:
return completionActions.getOpenCompletions(
types,
text,
cmd.command,
cmd.args
);
case Command.Buffer:
return completionActions.getTabCompletions(
text,
cmd.command,
cmd.args,
false
);
case Command.BufferDelete:
case Command.BuffersDelete:
return completionActions.getTabCompletions(
text,
cmd.command,
cmd.args,
true
);
case Command.BufferDeleteForce:
case Command.BuffersDeleteForce:
return completionActions.getTabCompletions(
text,
cmd.command,
cmd.args,
false
);
case Command.Set:
return completionActions.getPropertyCompletions(
text,
cmd.command,
cmd.args
);
}
}
return undefined;
};
return (
<ConsoleWrapper>
<Completion
size={COMPLETION_MAX_ITEMS}
completions={completionState.completions}
select={completionState.select}
/>
<Input
prompt={":"}
onBlur={onBlur}
onKeyDown={onKeyDown}
onChange={onChange}
value={
completionState.select < 0
? state.consoleText
: completedText(completionState)
}
/>
</ConsoleWrapper>
);
};
export default CommandPrompt;
|
