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Restructure tools in current index cubit
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@CodeDoctorDE
CodeDoctorDE committed Dec 28, 2024
1 parent 929e015 commit 463a446
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Showing 6 changed files with 313 additions and 158 deletions.
122 changes: 111 additions & 11 deletions app/lib/cubits/current_index.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -47,12 +47,14 @@ class CurrentIndex with _$CurrentIndex {
SettingsCubit settingsCubit,
TransformCubit transformCubit,
NetworkingService networkingService, {
Handler? temporaryHandler,
Handler<Tool>? temporaryHandler,
@Default([]) List<Renderer> foregrounds,
Selection? selection,
@Default(false) bool pinned,
List<Renderer>? temporaryForegrounds,
@Default({}) Map<int, Handler<Tool>> toggleableHandlers,
@Default([]) List<Renderer> networkingForegrounds,
@Default({}) Map<int, List<Renderer>> toggleableForegrounds,
@Default(MouseCursor.defer) MouseCursor cursor,
MouseCursor? temporaryCursor,
@Default(false) bool temporaryClicked,
Expand All @@ -64,9 +66,8 @@ class CurrentIndex with _$CurrentIndex {
@Default(SaveState.unsaved) SaveState saved,
PreferredSizeWidget? toolbar,
PreferredSizeWidget? temporaryToolbar,
@Default(<String, RendererState>{})
Map<String, RendererState> rendererStates,
Map<String, RendererState>? temporaryRendererStates,
@Default({}) Map<String, RendererState> rendererStates,
@Default({}) Map<String, RendererState>? temporaryRendererStates,
@Default(ViewOption()) ViewOption viewOption,
@Default(HideState.visible) HideState hideUi,
@Default(true) bool areaNavigatorCreate,
Expand Down Expand Up @@ -124,7 +125,7 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
DocumentBloc bloc, {
int? index,
BuildContext? context,
Handler? handler,
Handler<Tool>? handler,
}) async {
resetInput(bloc);
final blocState = bloc.state;
Expand Down Expand Up @@ -236,7 +237,7 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
state.handler.dispose(bloc);
final handler = Handler.fromTool(tool);
state.handler.dispose(bloc);
_disposeForegrounds(false);
_disposeForegrounds();
final foregrounds = handler.createForegrounds(this, docState.data,
docState.page, docState.info, docState.currentArea);
if (handler.setupForegrounds) {
Expand Down Expand Up @@ -280,13 +281,10 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
return null;
}

void _disposeForegrounds([bool disposeTemporary = true]) {
void _disposeForegrounds() {
for (final r in state.foregrounds) {
r.dispose();
}
if (disposeTemporary) {
_disposeTemporaryForegrounds();
}
}

void _disposeTemporaryForegrounds() {
Expand All @@ -295,6 +293,52 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
}
}

void _disposeNetworkingForegrounds() {
for (final r in state.networkingForegrounds) {
r.dispose();
}
}

void _disposeToggleableForegrounds() {
for (final r in state.toggleableForegrounds.values.expand((e) => e)) {
r.dispose();
}
}

void _disposeAllForegrounds() {
_disposeForegrounds();
_disposeTemporaryForegrounds();
_disposeNetworkingForegrounds();
_disposeToggleableForegrounds();
}

R useHandler<R>(DocumentBloc bloc, int index,
R Function(Handler<Tool> handler) callback) {
Handler<Tool>? handler;
bool needsDispose = false;
if (state.index == index) {
handler = fetchHandler<Handler<Tool>>();
} else if (state.toggleableHandlers.containsKey(index)) {
handler = state.toggleableHandlers[index];
}
if (handler == null) {
List<Tool> tools = const [];
final blocState = bloc.state;
if (blocState is DocumentLoaded) tools = blocState.info.tools;
handler = Handler.fromTool(tools.elementAtOrNull(index));
needsDispose = true;
}
final result = callback(handler);
if (needsDispose) {
if (result is Future) {
result.then((value) => handler?.dispose(bloc));
} else {
handler.dispose(bloc);
}
}
return result;
}

Future<void> refresh(DocumentLoaded blocState) async {
final document = blocState.data;
final page = blocState.page;
Expand All @@ -303,7 +347,7 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
final currentArea = blocState.currentArea;
const mapEq = MapEquality();
if (!isClosed) {
_disposeForegrounds();
_disposeAllForegrounds();
final temporaryForegrounds = state.temporaryHandler
?.createForegrounds(this, document, page, info, currentArea);
if (temporaryForegrounds != null &&
Expand All @@ -317,6 +361,18 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
await Future.wait(foregrounds
.map((e) async => await e.setup(document, assetService, page)));
}
final toggleableForegrounds = <int, List<Renderer>>{};
for (final entry in state.toggleableHandlers.entries) {
final handler = entry.value;
final index = entry.key;
final foregrounds =
handler.createForegrounds(this, document, page, info, currentArea);
if (handler.setupForegrounds) {
await Future.wait(foregrounds
.map((e) async => await e.setup(document, assetService, page)));
}
toggleableForegrounds[index] = foregrounds;
}
final rendererStates = state.handler.rendererStates;
final temporaryRendererStates = state.temporaryHandler?.rendererStates;
final statesChanged = !mapEq.equals(state.rendererStates, rendererStates);
Expand All @@ -325,6 +381,7 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
final shouldBake = statesChanged || temporaryStatesChanged;
emit(state.copyWith(
temporaryForegrounds: temporaryForegrounds,
toggleableForegrounds: toggleableForegrounds,
foregrounds: foregrounds,
cursor: state.handler.cursor ?? MouseCursor.defer,
temporaryCursor: state.temporaryHandler?.cursor,
Expand Down Expand Up @@ -367,12 +424,55 @@ class CurrentIndexCubit extends Cubit<CurrentIndex> {
return null;
}

void enableHandler(DocumentBloc bloc, int index, Handler<Tool> handler) {
final blocState = bloc.state;
if (blocState is! DocumentLoaded) return;
final document = blocState.data;
final page = blocState.page;
final info = blocState.info;
final currentArea = blocState.currentArea;
final foregrounds =
handler.createForegrounds(this, document, page, info, currentArea);
if (handler.setupForegrounds) {
Future.wait(foregrounds.map(
(e) async => await e.setup(document, blocState.assetService, page)));
}
emit(state.copyWith(
toggleableHandlers: Map.from(state.toggleableHandlers)
..[index] = handler,
toggleableForegrounds: Map.from(state.toggleableForegrounds)
..[index] = foregrounds));
}

bool disableHandler(DocumentBloc bloc, int index) {
final handler = state.toggleableHandlers[index];
if (handler == null) {
return false;
}
handler.dispose(bloc);
final foregrounds = state.toggleableForegrounds[index];
for (final r in foregrounds ?? []) {
r.dispose();
}
emit(state.copyWith(
toggleableHandlers: Map.from(state.toggleableHandlers)..remove(index),
toggleableForegrounds: Map.from(state.toggleableForegrounds)
..remove(index)));
return true;
}

bool isHandlerEnabled(int index) =>
state.toggleableHandlers.containsKey(index);

void reset(DocumentBloc bloc) {
for (final r in renderers) {
r.dispose();
}
state.handler.dispose(bloc);
state.temporaryHandler?.dispose(bloc);
for (var e in state.toggleableHandlers.values) {
e.dispose(bloc);
}
_disposeForegrounds();
emit(state.copyWith(
index: null,
Expand Down
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