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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/**
* Redux actions for the editor tabs
*/
import { selectSource } from "./sources/index";
import { getSelectedLocation, getOpenedSources } from "../selectors/index";
export function addTab(source) {
return {
type: "ADD_TAB",
source,
};
}
export function moveTab(url, tabIndex) {
return {
type: "MOVE_TAB",
url,
tabIndex,
};
}
export function moveTabBySourceId(sourceId, tabIndex) {
return {
type: "MOVE_TAB_BY_SOURCE_ID",
sourceId,
tabIndex,
};
}
export function closeTabForSource(source) {
return ({ dispatch }) => {
dispatch(closeTabsForSources([source]));
};
}
export function closeTabsForSources(sources) {
return ({ dispatch, getState }) => {
if (!sources.length) {
return;
}
// If we are removing the tabs for the selected location,
// we need to select another source
const newSourceToSelect = getNewSourceToSelect(getState(), sources);
dispatch({ type: "CLOSE_TABS_FOR_SOURCES", sources });
dispatch(selectSource(newSourceToSelect));
};
}
/**
* Compute the potential new source to select while closing tabs for a given set of sources.
*
* @param {Object} state
* Redux state object.
* @param {Array<Source>} closedSources
* Ordered list of sources which should be closed.
* Should be a consecutive list of tabs matching the order of tabs reducer.
*/
function getNewSourceToSelect(state, closedSources) {
const selectedLocation = getSelectedLocation(state);
// Do not try to select any source if none was selected before
if (!selectedLocation) {
return null;
}
let selectedSource = selectedLocation.source;
// When a source is pretty printed, the tab always refer to its minimized/generated source
if (selectedSource.isPrettyPrinted) {
selectedSource = selectedSource.generatedSource;
}
// Keep selecting the same source if we aren't removing the currently selected source
if (!closedSources.includes(selectedSource)) {
return selectedSource;
}
const openedSources = getOpenedSources(state);
const selectedSourceIndex = openedSources.indexOf(selectedSource);
// Find the first source **after** the currently selected one, which will still be open and select it
for (
let index = selectedSourceIndex + 1;
index < openedSources.length;
index++
) {
const source = openedSources[index];
if (!closedSources.includes(source)) {
return source;
}
}
// Otherwise find the last source **before** the currently selected one.
for (let index = selectedSourceIndex - 1; index >= 0; index--) {
const source = openedSources[index];
if (!closedSources.includes(source)) {
return source;
}
}
// It looks like we removed all the tabs
return null;
}