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Code Issues Releases Activity

Allow multiple selection

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This commit is contained in:
Laurent Cozic
2017-11-22 18:35:31 +00:00
parent 3e1ea0eb0a
commit e4d48f43d6
8 changed files with 133 additions and 32 deletions
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95
ReactNativeClient/lib/reducer.js
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@ -1,5 +1,6 @@
const { Note } = require('lib/models/note.js');
const { Folder } = require('lib/models/folder.js');
const ArrayUtils = require('lib/ArrayUtils.js');
const defaultState = {
notes: [],
@ -8,7 +9,7 @@ const defaultState = {
folders: [],
tags: [],
searches: [],
selectedNoteId: null,
selectedNoteIds: [],
selectedFolderId: null,
selectedTagId: null,
selectedSearchId: null,
@ -33,7 +34,7 @@ function handleItemDelete(state, action) {
const map = {
'FOLDER_DELETE': ['folders', 'selectedFolderId'],
'NOTE_DELETE': ['notes', 'selectedNoteId'],
'NOTE_DELETE': ['notes', 'selectedNoteIds'],
'TAG_DELETE': ['tags', 'selectedTagId'],
'SEARCH_DELETE': ['searches', 'selectedSearchId'],
};
@ -60,10 +61,10 @@ function handleItemDelete(state, action) {
previousIndex = newItems.length - 1;
}
const newIndex = previousIndex >= 0 ? newItems[previousIndex].id : null;
newState[selectedItemKey] = newIndex;
const newId = previousIndex >= 0 ? newItems[previousIndex].id : null;
newState[selectedItemKey] = action.type === 'NOTE_DELETE' ? [newId] : newId;
if (!newIndex && newState.notesParentType !== 'Folder') {
if (!newId && newState.notesParentType !== 'Folder') {
newState.notesParentType = 'Folder';
}
@ -111,6 +112,51 @@ function defaultNotesParentType(state, exclusion) {
return newNotesParentType;
}
function changeSelectedNotes(state, action) {
const noteIds = 'id' in action ? (action.id ? [action.id] : []) : action.ids;
let newState = Object.assign({}, state);
if (action.type === 'NOTE_SELECT') {
newState.selectedNoteIds = noteIds;
return newState;
}
if (action.type === 'NOTE_SELECT_ADD') {
if (!noteIds.length) return state;
newState.selectedNoteIds = ArrayUtils.unique(newState.selectedNoteIds.concat(noteIds));
return newState;
}
if (action.type === 'NOTE_SELECT_REMOVE') {
if (!noteIds.length) return state; // Nothing to unselect
if (state.selectedNoteIds.length <= 1) return state; // Cannot unselect the last note
let newSelectedNoteIds = [];
for (let i = 0; i < newState.selectedNoteIds.length; i++) {
const id = newState.selectedNoteIds[i];
if (noteIds.indexOf(id) >= 0) continue;
newSelectedNoteIds.push(id);
}
newState.selectedNoteIds = newSelectedNoteIds;
return newState;
}
if (action.type === 'NOTE_SELECT_TOGGLE') {
if (!noteIds.length) return state;
if (newState.selectedNoteIds.indexOf(noteIds[0]) >= 0) {
newState = changeSelectedNotes(state, { type: 'NOTE_SELECT_REMOVE', id: noteIds[0] });
} else {
newState = changeSelectedNotes(state, { type: 'NOTE_SELECT_ADD', id: noteIds[0] });
}
return newState;
}
throw new Error('Unreachable');
}
const reducer = (state = defaultState, action) => {
let newState = state;
@ -118,9 +164,44 @@ const reducer = (state = defaultState, action) => {
switch (action.type) {
case 'NOTE_SELECT':
case 'NOTE_SELECT_ADD':
case 'NOTE_SELECT_REMOVE':
case 'NOTE_SELECT_TOGGLE':
newState = changeSelectedNotes(state, action);
break;
case 'NOTE_SELECT_EXTEND':
newState = Object.assign({}, state);
newState.selectedNoteId = action.id;
if (!newState.selectedNoteIds.length) {
newState.selectedNoteIds = [action.id];
} else {
const selectRangeId1 = state.selectedNoteIds[state.selectedNoteIds.length - 1];
const selectRangeId2 = action.id;
if (selectRangeId1 === selectRangeId2) return state;
let newSelectedNoteIds = state.selectedNoteIds.slice();
let selectionStarted = false;
for (let i = 0; i < state.notes.length; i++) {
const id = state.notes[i].id;
if (!selectionStarted && (id === selectRangeId1 || id === selectRangeId2)) {
selectionStarted = true;
if (newSelectedNoteIds.indexOf(id) < 0) newSelectedNoteIds.push(id);
continue;
} else if (selectionStarted && (id === selectRangeId1 || id === selectRangeId2)) {
if (newSelectedNoteIds.indexOf(id) < 0) newSelectedNoteIds.push(id);
break;
}
if (selectionStarted && newSelectedNoteIds.indexOf(id) < 0) {
newSelectedNoteIds.push(id);
}
}
newState.selectedNoteIds = newSelectedNoteIds;
}
break;
case 'FOLDER_SELECT':
@ -208,7 +289,7 @@ const reducer = (state = defaultState, action) => {
newState.notes = newNotes;
if (noteFolderHasChanged) {
newState.selectedNoteId = newNotes.length ? newNotes[0].id : null;
newState.selectedNoteIds = newNotes.length ? [newNotes[0].id] : null;
}
break;