Handle undo for collab

This commit is contained in:
1ilit
2024-01-12 04:10:49 +02:00
parent f870c213ae
commit 9256c75621
2 changed files with 242 additions and 47 deletions

View File

@@ -14,6 +14,7 @@ import {
} from "../data/data";
import { socket } from "../data/socket";
import { db } from "../data/db";
// import { flipAction } from "../utils";
// import { uniqueNamesGenerator, colors, animals } from "unique-names-generator";
export const LayoutContext = createContext();
@@ -72,6 +73,7 @@ export default function Editor() {
]);
const [undoStack, setUndoStack] = useState([]);
const [redoStack, setRedoStack] = useState([]);
const [historyCount, setHistoryCount] = useState(0);
const [selectedElement, setSelectedElement] = useState({
element: ObjectType.NONE,
id: -1,
@@ -482,6 +484,7 @@ export default function Editor() {
areas.length,
notes.length,
types.length,
relationships.length
]);
useEffect(() => {
@@ -553,13 +556,13 @@ export default function Editor() {
}, [tables, relationships, notes, areas, types, title, id, state]);
useEffect(() => {
if (socket && undoStack[undoStack.length - 1])
socket.emit("send-changes", undoStack[undoStack.length - 1]);
}, [undoStack]);
useEffect(() => {
if (socket && redoStack[redoStack.length - 1])
socket.emit("send-reversed-changes", redoStack[redoStack.length - 1]);
}, [redoStack]);
if (socket) {
if (historyCount < undoStack.length) {
socket.emit("send-changes", undoStack[undoStack.length - 1]);
}
}
}, [undoStack, historyCount]);
useEffect(() => {
document.title = "Editor | drawDB";
@@ -705,6 +708,8 @@ export default function Editor() {
// socket.on("user-disconnected", onUserDisconnected);
const applyChange = (delta) => {
// console.log("apply: ", delta)
if (!delta) return;
if (delta.action === Action.ADD) {
switch (delta.element) {
case ObjectType.TABLE:
@@ -866,9 +871,9 @@ export default function Editor() {
indices: t.indices.map((index) =>
index.id === delta.iid
? {
...index,
...delta.redo,
}
...index,
...delta.redo,
}
: index
),
};
@@ -942,8 +947,193 @@ export default function Editor() {
};
const reverseChange = (delta) => {
console.log(delta);
// console.log("reverse: ", delta);
if (delta.action === Action.ADD) {
switch (delta.element) {
case ObjectType.TABLE:
setTables(prev => prev.filter((e, i) => i !== prev.length - 1));
return;
case ObjectType.RELATIONSHIP:
setRelationships(prev => prev.filter((e, i) => i !== prev.length - 1));
return;
case ObjectType.AREA:
setAreas(prev => prev.filter((e, i) => i !== prev.length - 1));
return;
case ObjectType.NOTE:
setNotes(prev => prev.filter((e, i) => i !== prev.length - 1));
return;
case ObjectType.TYPE:
setTypes(prev => prev.filter((e, i) => i !== prev.length - 1));
return;
}
} else if (delta.action === Action.MOVE) {
switch (delta.element) {
case ObjectType.TABLE:
updateTable(delta.id, { x: delta.x, y: delta.y }, true);
return;
case ObjectType.AREA:
updateArea(delta.id, { x: delta.x, y: delta.y });
return;
case ObjectType.NOTE:
updateNote(delta.id, { x: delta.x, y: delta.y });
return;
}
} else if (delta.action === Action.DELETE) {
switch (delta.element) {
case ObjectType.TABLE:
addTable(false, delta.data);
return;
case ObjectType.AREA:
addArea(false, delta.data);
return;
case ObjectType.NOTE:
addNote(false, delta.data);
return;
case ObjectType.RELATIONSHIP:
addRelationship(false, delta.data);
return;
case ObjectType.TYPE:
addType(false, delta.data);
return;
}
} else if (delta.action === Action.EDIT) {
switch (delta.element) {
case ObjectType.AREA:
updateArea(delta.aid, delta.undo);
return;
case ObjectType.RELATIONSHIP:
setRelationships((prev) =>
prev.map((e, idx) =>
idx === delta.rid ? { ...e, ...delta.undo } : e
)
);
return;
case ObjectType.NOTE:
updateNote(delta.nid, delta.undo);
return;
case ObjectType.TABLE:
if (delta.component === "field") {
updateField(delta.tid, delta.fid, delta.undo);
} else if (delta.component === "field_delete") {
setTables((prev) =>
prev.map((t) => {
if (t.id === delta.tid) {
const temp = t.fields.slice();
temp.splice(delta.data.id, 0, delta.data);
return { ...t, fields: temp.map((t, i) => ({ ...t, id: i })) };
}
return t;
})
);
} else if (delta.component === "field_add") {
setTables((prev) =>
prev.map((t) => {
if (t.id === delta.tid) {
return {
...t,
fields: t.fields.filter((f) => f.id !== t.fields.length - 1).map((f, i) => ({ ...f, id: i })),
};
}
return t;
})
);
} else if (delta.component === "index_add") {
setTables((prev) =>
prev.map((t) => {
if (t.id === delta.tid) {
return {
...t,
indices: t.indices.filter((f) => f.id !== t.indices.length - 1).map((f, i) => ({ ...f, id: i })),
};
}
return t;
})
);
} else if (delta.component === "index") {
setTables((prev) =>
prev.map((t) => {
if (t.id === delta.tid) {
return {
...t,
indices: t.indices.map((index) =>
index.id === delta.iid
? {
...index,
...delta.undo,
}
: index
),
};
}
return t;
})
);
} else if (delta.component === "index_delete") {
setTables((prev) =>
prev.map((table) => {
if (table.id === delta.tid) {
const temp = table.indices.slice();
temp.splice(delta.data.id, 0, delta.data);
return {
...table,
indices: temp.map((t, i) => ({ ...t, id: i })),
};
}
return table;
})
);
} else if (delta.component === "self") {
updateTable(delta.tid, delta.undo, false);
}
return;
case ObjectType.TYPE:
if (delta.component === "field") {
setTypes((prev) =>
prev.map((t, i) => {
if (i === delta.tid) {
return {
...t,
fields: t.fields.map((e, j) =>
j === delta.fid ? { ...e, ...delta.undo } : e
),
};
}
return t;
})
);
} else if (delta.component === "field_add") {
setTypes((prev) =>
prev.map((t, i) => {
if (i === delta.tid) {
return {
...t,
fields: t.fields.filter(
(e, i) => i !== t.fields.length - 1
),
};
}
return t;
})
);
} else if (delta.component === "field_delete") {
setTypes((prev) =>
prev.map((t, i) => {
if (i === delta.tid) {
const temp = t.fields.slice();
temp.splice(delta.fid, 0, delta.data);
return { ...t, fields: temp };
}
return t;
})
);
} else if (delta.component === "self") {
updateType(delta.tid, delta.undo);
}
return;
}
}
};
socket.on("recieve-changes", (delta) => applyChange(delta));
socket.on("recieve-reversed-changes", (delta) => reverseChange(delta));
return () => {
@@ -951,6 +1141,7 @@ export default function Editor() {
// socket.off("recieve-message", onRecieve);
// socket.off("user-connected", onUserConnected);
// socket.off("user-disconnected", onUserDisconnected);
socket.off("recieve-reversed-changes", reverseChange);
socket.off("recieve-changes", applyChange);
socket.disconnect();
};
@@ -982,7 +1173,7 @@ export default function Editor() {
<TabContext.Provider value={{ tab, setTab }}>
<SettingsContext.Provider value={{ settings, setSettings }}>
<UndoRedoContext.Provider
value={{ undoStack, redoStack, setUndoStack, setRedoStack }}
value={{ undoStack, redoStack, setUndoStack, setRedoStack, setHistoryCount }}
>
<SelectContext.Provider
value={{ selectedElement, setSelectedElement }}