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import actions from 'console/actions';
const defaultState = {
mode: '',
messageText: '',
consoleText: '',
completionSource: '',
completions: [],
groupSelection: -1,
itemSelection: -1,
};
const nextSelection = (state) => {
if (state.groupSelection < 0) {
return [0, 0];
}
let group = state.completions[state.groupSelection];
if (state.groupSelection + 1 >= state.completions.length &&
state.itemSelection + 1 >= group.items.length) {
return [-1, -1];
}
if (state.itemSelection + 1 >= group.items.length) {
return [state.groupSelection + 1, 0];
}
return [state.groupSelection, state.itemSelection + 1];
};
const prevSelection = (state) => {
if (state.groupSelection < 0) {
return [
state.completions.length - 1,
state.completions[state.completions.length - 1].items.length - 1
];
}
if (state.groupSelection === 0 && state.itemSelection === 0) {
return [-1, -1];
} else if (state.itemSelection === 0) {
return [
state.groupSelection - 1,
state.completions[state.groupSelection - 1].items.length - 1
];
}
return [state.groupSelection, state.itemSelection - 1];
};
const nextConsoleText = (completions, group, item, defaults) => {
if (group < 0 || item < 0) {
return defaults;
}
return completions[group].items[item].content;
};
export default function reducer(state = defaultState, action = {}) {
switch (action.type) {
case actions.CONSOLE_SHOW_COMMAND:
return Object.assign({}, state, {
mode: 'command',
consoleText: action.text,
completions: []
});
case actions.CONSOLE_SHOW_FIND:
return Object.assign({}, state, {
mode: 'find',
consoleText: '',
completions: []
});
case actions.CONSOLE_SHOW_ERROR:
return Object.assign({}, state, {
mode: 'error',
messageText: action.text,
});
case actions.CONSOLE_SHOW_INFO:
return Object.assign({}, state, {
mode: 'info',
messageText: action.text,
});
case actions.CONSOLE_HIDE_COMMAND:
return Object.assign({}, state, {
mode: state.mode === 'command' || state.mode === 'find' ? '' : state.mode,
});
case actions.CONSOLE_SET_CONSOLE_TEXT:
return Object.assign({}, state, {
consoleText: action.consoleText,
});
case actions.CONSOLE_SET_COMPLETIONS:
return Object.assign({}, state, {
completions: action.completions,
completionSource: action.completionSource,
groupSelection: -1,
itemSelection: -1,
});
case actions.CONSOLE_COMPLETION_NEXT: {
let next = nextSelection(state);
return Object.assign({}, state, {
groupSelection: next[0],
itemSelection: next[1],
consoleText: nextConsoleText(
state.completions, next[0], next[1],
state.completionSource),
});
}
case actions.CONSOLE_COMPLETION_PREV: {
let next = prevSelection(state);
return Object.assign({}, state, {
groupSelection: next[0],
itemSelection: next[1],
consoleText: nextConsoleText(
state.completions, next[0], next[1],
state.completionSource),
});
}
default:
return state;
}
}
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