refactor(new_editor/workspace): split workspace controller responsibilities

This commit is contained in:
2026-04-15 11:13:16 +08:00
parent dedf149f59
commit 701ddd9e9d
5 changed files with 704 additions and 571 deletions

View File

@@ -100,6 +100,8 @@ set(XCUI_EDITOR_VIEWPORT_SOURCES
set(XCUI_EDITOR_WORKSPACE_SOURCES
src/Workspace/UIEditorWorkspaceCompose.cpp
src/Workspace/UIEditorWorkspaceController.cpp
src/Workspace/UIEditorWorkspaceControllerDispatch.cpp
src/Workspace/UIEditorWorkspaceControllerLayoutOps.cpp
src/Workspace/UIEditorWorkspaceInteraction.cpp
src/Workspace/UIEditorWorkspaceLayoutPersistence.cpp
src/Workspace/UIEditorWorkspaceModel.cpp

View File

@@ -1,13 +1,8 @@
#include <XCEditor/Workspace/UIEditorWorkspaceController.h>
#include <XCEditor/Foundation/UIEditorRuntimeTrace.h>
#include "Workspace/UIEditorWorkspaceControllerInternal.h"
#include <cmath>
#include <sstream>
#include <utility>
namespace XCEngine::UI::Editor {
namespace {
namespace XCEngine::UI::Editor::Detail {
bool IsPanelOpenAndVisible(
const UIEditorWorkspaceSession& session,
@@ -32,13 +27,6 @@ std::vector<std::string> CollectVisiblePanelIds(
return ids;
}
struct VisibleTabStackInfo {
bool panelExists = false;
bool panelVisible = false;
std::size_t currentVisibleIndex = 0u;
std::size_t visibleTabCount = 0u;
};
VisibleTabStackInfo ResolveVisibleTabStackInfo(
const UIEditorWorkspaceNode& node,
const UIEditorWorkspaceSession& session,
@@ -84,7 +72,9 @@ std::size_t CountVisibleTabs(
return visibleCount;
}
} // namespace
} // namespace XCEngine::UI::Editor::Detail
namespace XCEngine::UI::Editor {
std::string_view GetUIEditorWorkspaceCommandKindName(UIEditorWorkspaceCommandKind kind) {
switch (kind) {
@@ -105,7 +95,8 @@ std::string_view GetUIEditorWorkspaceCommandKindName(UIEditorWorkspaceCommandKin
return "Unknown";
}
std::string_view GetUIEditorWorkspaceCommandStatusName(UIEditorWorkspaceCommandStatus status) {
std::string_view GetUIEditorWorkspaceCommandStatusName(
UIEditorWorkspaceCommandStatus status) {
switch (status) {
case UIEditorWorkspaceCommandStatus::Changed:
return "Changed";
@@ -188,7 +179,7 @@ UIEditorWorkspaceCommandResult UIEditorWorkspaceController::BuildResult(
result.panelId = command.panelId;
result.message = std::move(message);
result.activePanelId = m_workspace.activePanelId;
result.visiblePanelIds = CollectVisiblePanelIds(m_workspace, m_session);
result.visiblePanelIds = Detail::CollectVisiblePanelIds(m_workspace, m_session);
return result;
}
@@ -199,7 +190,7 @@ UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::BuildLayoutO
result.status = status;
result.message = std::move(message);
result.activePanelId = m_workspace.activePanelId;
result.visiblePanelIds = CollectVisiblePanelIds(m_workspace, m_session);
result.visiblePanelIds = Detail::CollectVisiblePanelIds(m_workspace, m_session);
return result;
}
@@ -238,559 +229,6 @@ const UIEditorPanelDescriptor* UIEditorWorkspaceController::FindPanelDescriptor(
return FindUIEditorPanelDescriptor(m_panelRegistry, panelId);
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::RestoreLayoutSnapshot(
const UIEditorWorkspaceLayoutSnapshot& snapshot) {
UIEditorWorkspaceLayoutSnapshot canonicalSnapshot = snapshot;
canonicalSnapshot.workspace =
CanonicalizeUIEditorWorkspaceModel(std::move(canonicalSnapshot.workspace));
const UIEditorPanelRegistryValidationResult registryValidation =
ValidateUIEditorPanelRegistry(m_panelRegistry);
if (!registryValidation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Panel registry invalid: " + registryValidation.message);
}
const UIEditorWorkspaceValidationResult workspaceValidation =
ValidateUIEditorWorkspace(canonicalSnapshot.workspace);
if (!workspaceValidation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Layout workspace invalid: " + workspaceValidation.message);
}
const UIEditorWorkspaceSessionValidationResult sessionValidation =
ValidateUIEditorWorkspaceSession(
m_panelRegistry,
canonicalSnapshot.workspace,
canonicalSnapshot.session);
if (!sessionValidation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Layout session invalid: " + sessionValidation.message);
}
if (AreUIEditorWorkspaceModelsEquivalent(m_workspace, canonicalSnapshot.workspace) &&
AreUIEditorWorkspaceSessionsEquivalent(m_session, canonicalSnapshot.session)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Current state already matches the requested layout snapshot.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
const UIEditorWorkspaceSession previousSession = m_session;
m_workspace = canonicalSnapshot.workspace;
m_session = canonicalSnapshot.session;
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
m_workspace = previousWorkspace;
m_session = previousSession;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Restored layout produced invalid controller state: " + validation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Layout restored.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::RestoreSerializedLayout(
std::string_view serializedLayout) {
const UIEditorWorkspaceLayoutLoadResult loadResult =
DeserializeUIEditorWorkspaceLayoutSnapshot(m_panelRegistry, serializedLayout);
if (!loadResult.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Serialized layout rejected: " + loadResult.message);
}
return RestoreLayoutSnapshot(loadResult.snapshot);
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::SetSplitRatio(
std::string_view nodeId,
float splitRatio) {
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (nodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"SetSplitRatio requires a split node id.");
}
const UIEditorWorkspaceNode* splitNode = FindUIEditorWorkspaceNode(m_workspace, nodeId);
if (splitNode == nullptr || splitNode->kind != UIEditorWorkspaceNodeKind::Split) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"SetSplitRatio target split node is missing.");
}
if (std::fabs(splitNode->splitRatio - splitRatio) <= 0.0001f) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Split ratio already matches the requested value.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TrySetUIEditorWorkspaceSplitRatio(m_workspace, nodeId, splitRatio)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Split ratio update rejected.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Split ratio update produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Split ratio updated.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::ReorderTab(
std::string_view nodeId,
std::string_view panelId,
std::size_t targetVisibleInsertionIndex) {
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (nodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab requires a tab stack node id.");
}
if (panelId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab requires a panel id.");
}
const UIEditorWorkspaceNode* tabStack = FindUIEditorWorkspaceNode(m_workspace, nodeId);
if (tabStack == nullptr || tabStack->kind != UIEditorWorkspaceNodeKind::TabStack) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab target tab stack is missing.");
}
const VisibleTabStackInfo tabInfo =
ResolveVisibleTabStackInfo(*tabStack, m_session, panelId);
if (!tabInfo.panelExists) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab target panel is missing from the specified tab stack.");
}
if (!tabInfo.panelVisible) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab only supports open and visible tabs.");
}
if (targetVisibleInsertionIndex > tabInfo.visibleTabCount) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab target visible insertion index is out of range.");
}
if (targetVisibleInsertionIndex == tabInfo.currentVisibleIndex ||
targetVisibleInsertionIndex == tabInfo.currentVisibleIndex + 1u) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Visible tab order already matches the requested insertion.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TryReorderUIEditorWorkspaceTab(
m_workspace,
m_session,
nodeId,
panelId,
targetVisibleInsertionIndex)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Tab reorder rejected.");
}
if (AreUIEditorWorkspaceModelsEquivalent(previousWorkspace, m_workspace)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Visible tab order already matches the requested insertion.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Tab reorder produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Tab reordered.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::MoveTabToStack(
std::string_view sourceNodeId,
std::string_view panelId,
std::string_view targetNodeId,
std::size_t targetVisibleInsertionIndex) {
{
std::ostringstream trace = {};
trace << "MoveTabToStack begin sourceNode=" << sourceNodeId
<< " panel=" << panelId
<< " targetNode=" << targetNodeId
<< " insertion=" << targetVisibleInsertionIndex;
AppendUIEditorRuntimeTrace("workspace", trace.str());
}
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (sourceNodeId.empty() || targetNodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack requires both source and target tab stack ids.");
}
if (panelId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack requires a panel id.");
}
if (sourceNodeId == targetNodeId) {
return ReorderTab(sourceNodeId, panelId, targetVisibleInsertionIndex);
}
const UIEditorWorkspaceNode* sourceTabStack =
FindUIEditorWorkspaceNode(m_workspace, sourceNodeId);
const UIEditorWorkspaceNode* targetTabStack =
FindUIEditorWorkspaceNode(m_workspace, targetNodeId);
if (sourceTabStack == nullptr ||
targetTabStack == nullptr ||
sourceTabStack->kind != UIEditorWorkspaceNodeKind::TabStack ||
targetTabStack->kind != UIEditorWorkspaceNodeKind::TabStack) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack source or target tab stack is missing.");
}
const VisibleTabStackInfo sourceInfo =
ResolveVisibleTabStackInfo(*sourceTabStack, m_session, panelId);
if (!sourceInfo.panelExists) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack target panel is missing from the source tab stack.");
}
if (!sourceInfo.panelVisible) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack only supports open and visible tabs.");
}
const std::size_t visibleTargetCount = CountVisibleTabs(*targetTabStack, m_session);
if (targetVisibleInsertionIndex > visibleTargetCount) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack target visible insertion index is out of range.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TryMoveUIEditorWorkspaceTabToStack(
m_workspace,
m_session,
sourceNodeId,
panelId,
targetNodeId,
targetVisibleInsertionIndex)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack rejected.");
}
if (AreUIEditorWorkspaceModelsEquivalent(previousWorkspace, m_workspace)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Tab already matches the requested target stack insertion.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Tab moved to target stack.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::DockTabRelative(
std::string_view sourceNodeId,
std::string_view panelId,
std::string_view targetNodeId,
UIEditorWorkspaceDockPlacement placement,
float splitRatio) {
{
std::ostringstream trace = {};
trace << "DockTabRelative begin sourceNode=" << sourceNodeId
<< " panel=" << panelId
<< " targetNode=" << targetNodeId
<< " placement=" << static_cast<int>(placement)
<< " splitRatio=" << splitRatio;
AppendUIEditorRuntimeTrace("workspace", trace.str());
}
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (sourceNodeId.empty() || targetNodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative requires both source and target tab stack ids.");
}
if (panelId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative requires a panel id.");
}
const UIEditorWorkspaceNode* sourceTabStack =
FindUIEditorWorkspaceNode(m_workspace, sourceNodeId);
const UIEditorWorkspaceNode* targetTabStack =
FindUIEditorWorkspaceNode(m_workspace, targetNodeId);
if (sourceTabStack == nullptr ||
targetTabStack == nullptr ||
sourceTabStack->kind != UIEditorWorkspaceNodeKind::TabStack ||
targetTabStack->kind != UIEditorWorkspaceNodeKind::TabStack) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative source or target tab stack is missing.");
}
const VisibleTabStackInfo sourceInfo =
ResolveVisibleTabStackInfo(*sourceTabStack, m_session, panelId);
if (!sourceInfo.panelExists) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative target panel is missing from the source tab stack.");
}
if (!sourceInfo.panelVisible) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative only supports open and visible tabs.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TryDockUIEditorWorkspaceTabRelative(
m_workspace,
m_session,
sourceNodeId,
panelId,
targetNodeId,
placement,
splitRatio)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative rejected.");
}
if (AreUIEditorWorkspaceModelsEquivalent(previousWorkspace, m_workspace)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Dock layout already matches the requested placement.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Tab docked relative to target stack.");
}
UIEditorWorkspaceCommandResult UIEditorWorkspaceController::Dispatch(
const UIEditorWorkspaceCommand& command) {
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (command.kind != UIEditorWorkspaceCommandKind::ResetWorkspace &&
!validation.IsValid()) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Controller state invalid: " + validation.message);
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
const UIEditorWorkspaceSession previousSession = m_session;
const UIEditorPanelSessionState* panelState =
command.kind == UIEditorWorkspaceCommandKind::ResetWorkspace
? nullptr
: FindUIEditorPanelSessionState(m_session, command.panelId);
const UIEditorPanelDescriptor* panelDescriptor =
command.kind == UIEditorWorkspaceCommandKind::ResetWorkspace
? nullptr
: FindPanelDescriptor(command.panelId);
switch (command.kind) {
case UIEditorWorkspaceCommandKind::OpenPanel:
if (command.panelId.empty()) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "OpenPanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "OpenPanel target panel is missing.");
}
if (panelState->open && panelState->visible) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::NoOp, "Panel is already open and visible.");
}
return FinalizeMutation(
command,
TryOpenUIEditorWorkspacePanel(m_panelRegistry, m_workspace, m_session, command.panelId),
"Panel opened and activated.",
"OpenPanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ClosePanel:
if (command.panelId.empty()) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "ClosePanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "ClosePanel target panel is missing.");
}
if (!panelDescriptor->canClose) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "Panel cannot be closed.");
}
if (!panelState->open) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::NoOp, "Panel is already closed.");
}
return FinalizeMutation(
command,
TryCloseUIEditorWorkspacePanel(m_panelRegistry, m_workspace, m_session, command.panelId),
"Panel closed.",
"ClosePanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ShowPanel:
if (command.panelId.empty()) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "ShowPanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "ShowPanel target panel is missing.");
}
if (!panelState->open) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "Closed panel must be opened before it can be shown.");
}
if (panelState->visible) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::NoOp, "Panel is already visible.");
}
return FinalizeMutation(
command,
TryShowUIEditorWorkspacePanel(m_panelRegistry, m_workspace, m_session, command.panelId),
"Panel shown and activated.",
"ShowPanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::HidePanel:
if (command.panelId.empty()) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "HidePanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "HidePanel target panel is missing.");
}
if (!panelDescriptor->canHide) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "Panel cannot be hidden.");
}
if (!panelState->open) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "Closed panel cannot be hidden.");
}
if (!panelState->visible) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::NoOp, "Panel is already hidden.");
}
return FinalizeMutation(
command,
TryHideUIEditorWorkspacePanel(m_panelRegistry, m_workspace, m_session, command.panelId),
"Panel hidden and active panel re-resolved.",
"HidePanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ActivatePanel:
if (command.panelId.empty()) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "ActivatePanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "ActivatePanel target panel is missing.");
}
if (!panelState->open || !panelState->visible) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "Only open and visible panels can be activated.");
}
if (m_workspace.activePanelId == command.panelId) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::NoOp, "Panel is already active.");
}
return FinalizeMutation(
command,
TryActivateUIEditorWorkspacePanel(m_panelRegistry, m_workspace, m_session, command.panelId),
"Panel activated.",
"ActivatePanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ResetWorkspace:
if (AreUIEditorWorkspaceModelsEquivalent(m_workspace, m_baselineWorkspace) &&
AreUIEditorWorkspaceSessionsEquivalent(m_session, m_baselineSession)) {
return BuildResult(command, UIEditorWorkspaceCommandStatus::NoOp, "Workspace already matches the baseline state.");
}
m_workspace = m_baselineWorkspace;
m_session = m_baselineSession;
return FinalizeMutation(
command,
true,
"Workspace reset to baseline.",
"ResetWorkspace failed unexpectedly.",
previousWorkspace,
previousSession);
}
return BuildResult(command, UIEditorWorkspaceCommandStatus::Rejected, "Unknown command kind.");
}
UIEditorWorkspaceController BuildDefaultUIEditorWorkspaceController(
const UIEditorPanelRegistry& panelRegistry,
const UIEditorWorkspaceModel& workspace) {

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@@ -0,0 +1,239 @@
#include <XCEditor/Workspace/UIEditorWorkspaceController.h>
namespace XCEngine::UI::Editor {
UIEditorWorkspaceCommandResult UIEditorWorkspaceController::Dispatch(
const UIEditorWorkspaceCommand& command) {
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (command.kind != UIEditorWorkspaceCommandKind::ResetWorkspace &&
!validation.IsValid()) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Controller state invalid: " + validation.message);
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
const UIEditorWorkspaceSession previousSession = m_session;
const UIEditorPanelSessionState* panelState =
command.kind == UIEditorWorkspaceCommandKind::ResetWorkspace
? nullptr
: FindUIEditorPanelSessionState(m_session, command.panelId);
const UIEditorPanelDescriptor* panelDescriptor =
command.kind == UIEditorWorkspaceCommandKind::ResetWorkspace
? nullptr
: FindPanelDescriptor(command.panelId);
switch (command.kind) {
case UIEditorWorkspaceCommandKind::OpenPanel:
if (command.panelId.empty()) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"OpenPanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"OpenPanel target panel is missing.");
}
if (panelState->open && panelState->visible) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::NoOp,
"Panel is already open and visible.");
}
return FinalizeMutation(
command,
TryOpenUIEditorWorkspacePanel(
m_panelRegistry,
m_workspace,
m_session,
command.panelId),
"Panel opened and activated.",
"OpenPanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ClosePanel:
if (command.panelId.empty()) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"ClosePanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"ClosePanel target panel is missing.");
}
if (!panelDescriptor->canClose) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Panel cannot be closed.");
}
if (!panelState->open) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::NoOp,
"Panel is already closed.");
}
return FinalizeMutation(
command,
TryCloseUIEditorWorkspacePanel(
m_panelRegistry,
m_workspace,
m_session,
command.panelId),
"Panel closed.",
"ClosePanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ShowPanel:
if (command.panelId.empty()) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"ShowPanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"ShowPanel target panel is missing.");
}
if (!panelState->open) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Closed panel must be opened before it can be shown.");
}
if (panelState->visible) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::NoOp,
"Panel is already visible.");
}
return FinalizeMutation(
command,
TryShowUIEditorWorkspacePanel(
m_panelRegistry,
m_workspace,
m_session,
command.panelId),
"Panel shown and activated.",
"ShowPanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::HidePanel:
if (command.panelId.empty()) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"HidePanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"HidePanel target panel is missing.");
}
if (!panelDescriptor->canHide) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Panel cannot be hidden.");
}
if (!panelState->open) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Closed panel cannot be hidden.");
}
if (!panelState->visible) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::NoOp,
"Panel is already hidden.");
}
return FinalizeMutation(
command,
TryHideUIEditorWorkspacePanel(
m_panelRegistry,
m_workspace,
m_session,
command.panelId),
"Panel hidden and active panel re-resolved.",
"HidePanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ActivatePanel:
if (command.panelId.empty()) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"ActivatePanel requires a panelId.");
}
if (panelDescriptor == nullptr || panelState == nullptr) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"ActivatePanel target panel is missing.");
}
if (!panelState->open || !panelState->visible) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Only open and visible panels can be activated.");
}
if (m_workspace.activePanelId == command.panelId) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::NoOp,
"Panel is already active.");
}
return FinalizeMutation(
command,
TryActivateUIEditorWorkspacePanel(
m_panelRegistry,
m_workspace,
m_session,
command.panelId),
"Panel activated.",
"ActivatePanel failed unexpectedly.",
previousWorkspace,
previousSession);
case UIEditorWorkspaceCommandKind::ResetWorkspace:
if (AreUIEditorWorkspaceModelsEquivalent(m_workspace, m_baselineWorkspace) &&
AreUIEditorWorkspaceSessionsEquivalent(m_session, m_baselineSession)) {
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::NoOp,
"Workspace already matches the baseline state.");
}
m_workspace = m_baselineWorkspace;
m_session = m_baselineSession;
return FinalizeMutation(
command,
true,
"Workspace reset to baseline.",
"ResetWorkspace failed unexpectedly.",
previousWorkspace,
previousSession);
}
return BuildResult(
command,
UIEditorWorkspaceCommandStatus::Rejected,
"Unknown command kind.");
}
} // namespace XCEngine::UI::Editor

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@@ -0,0 +1,35 @@
#pragma once
#include <XCEditor/Workspace/UIEditorWorkspaceController.h>
#include <string>
#include <string_view>
#include <vector>
namespace XCEngine::UI::Editor::Detail {
bool IsPanelOpenAndVisible(
const UIEditorWorkspaceSession& session,
std::string_view panelId);
std::vector<std::string> CollectVisiblePanelIds(
const UIEditorWorkspaceModel& workspace,
const UIEditorWorkspaceSession& session);
struct VisibleTabStackInfo {
bool panelExists = false;
bool panelVisible = false;
std::size_t currentVisibleIndex = 0u;
std::size_t visibleTabCount = 0u;
};
VisibleTabStackInfo ResolveVisibleTabStackInfo(
const UIEditorWorkspaceNode& node,
const UIEditorWorkspaceSession& session,
std::string_view panelId);
std::size_t CountVisibleTabs(
const UIEditorWorkspaceNode& node,
const UIEditorWorkspaceSession& session);
} // namespace XCEngine::UI::Editor::Detail

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@@ -0,0 +1,419 @@
#include "Workspace/UIEditorWorkspaceControllerInternal.h"
#include <XCEditor/Foundation/UIEditorRuntimeTrace.h>
#include <cmath>
#include <sstream>
#include <utility>
namespace XCEngine::UI::Editor {
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::RestoreLayoutSnapshot(
const UIEditorWorkspaceLayoutSnapshot& snapshot) {
UIEditorWorkspaceLayoutSnapshot canonicalSnapshot = snapshot;
canonicalSnapshot.workspace =
CanonicalizeUIEditorWorkspaceModel(std::move(canonicalSnapshot.workspace));
const UIEditorPanelRegistryValidationResult registryValidation =
ValidateUIEditorPanelRegistry(m_panelRegistry);
if (!registryValidation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Panel registry invalid: " + registryValidation.message);
}
const UIEditorWorkspaceValidationResult workspaceValidation =
ValidateUIEditorWorkspace(canonicalSnapshot.workspace);
if (!workspaceValidation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Layout workspace invalid: " + workspaceValidation.message);
}
const UIEditorWorkspaceSessionValidationResult sessionValidation =
ValidateUIEditorWorkspaceSession(
m_panelRegistry,
canonicalSnapshot.workspace,
canonicalSnapshot.session);
if (!sessionValidation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Layout session invalid: " + sessionValidation.message);
}
if (AreUIEditorWorkspaceModelsEquivalent(m_workspace, canonicalSnapshot.workspace) &&
AreUIEditorWorkspaceSessionsEquivalent(m_session, canonicalSnapshot.session)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Current state already matches the requested layout snapshot.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
const UIEditorWorkspaceSession previousSession = m_session;
m_workspace = canonicalSnapshot.workspace;
m_session = canonicalSnapshot.session;
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
m_workspace = previousWorkspace;
m_session = previousSession;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Restored layout produced invalid controller state: " + validation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Layout restored.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::RestoreSerializedLayout(
std::string_view serializedLayout) {
const UIEditorWorkspaceLayoutLoadResult loadResult =
DeserializeUIEditorWorkspaceLayoutSnapshot(m_panelRegistry, serializedLayout);
if (!loadResult.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Serialized layout rejected: " + loadResult.message);
}
return RestoreLayoutSnapshot(loadResult.snapshot);
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::SetSplitRatio(
std::string_view nodeId,
float splitRatio) {
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (nodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"SetSplitRatio requires a split node id.");
}
const UIEditorWorkspaceNode* splitNode = FindUIEditorWorkspaceNode(m_workspace, nodeId);
if (splitNode == nullptr || splitNode->kind != UIEditorWorkspaceNodeKind::Split) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"SetSplitRatio target split node is missing.");
}
if (std::fabs(splitNode->splitRatio - splitRatio) <= 0.0001f) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Split ratio already matches the requested value.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TrySetUIEditorWorkspaceSplitRatio(m_workspace, nodeId, splitRatio)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Split ratio update rejected.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Split ratio update produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Split ratio updated.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::ReorderTab(
std::string_view nodeId,
std::string_view panelId,
std::size_t targetVisibleInsertionIndex) {
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (nodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab requires a tab stack node id.");
}
if (panelId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab requires a panel id.");
}
const UIEditorWorkspaceNode* tabStack = FindUIEditorWorkspaceNode(m_workspace, nodeId);
if (tabStack == nullptr || tabStack->kind != UIEditorWorkspaceNodeKind::TabStack) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab target tab stack is missing.");
}
const Detail::VisibleTabStackInfo tabInfo =
Detail::ResolveVisibleTabStackInfo(*tabStack, m_session, panelId);
if (!tabInfo.panelExists) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab target panel is missing from the specified tab stack.");
}
if (!tabInfo.panelVisible) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab only supports open and visible tabs.");
}
if (targetVisibleInsertionIndex > tabInfo.visibleTabCount) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"ReorderTab target visible insertion index is out of range.");
}
if (targetVisibleInsertionIndex == tabInfo.currentVisibleIndex ||
targetVisibleInsertionIndex == tabInfo.currentVisibleIndex + 1u) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Visible tab order already matches the requested insertion.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TryReorderUIEditorWorkspaceTab(
m_workspace,
m_session,
nodeId,
panelId,
targetVisibleInsertionIndex)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Tab reorder rejected.");
}
if (AreUIEditorWorkspaceModelsEquivalent(previousWorkspace, m_workspace)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Visible tab order already matches the requested insertion.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Tab reorder produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Tab reordered.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::MoveTabToStack(
std::string_view sourceNodeId,
std::string_view panelId,
std::string_view targetNodeId,
std::size_t targetVisibleInsertionIndex) {
{
std::ostringstream trace = {};
trace << "MoveTabToStack begin sourceNode=" << sourceNodeId
<< " panel=" << panelId
<< " targetNode=" << targetNodeId
<< " insertion=" << targetVisibleInsertionIndex;
AppendUIEditorRuntimeTrace("workspace", trace.str());
}
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (sourceNodeId.empty() || targetNodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack requires both source and target tab stack ids.");
}
if (panelId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack requires a panel id.");
}
if (sourceNodeId == targetNodeId) {
return ReorderTab(sourceNodeId, panelId, targetVisibleInsertionIndex);
}
const UIEditorWorkspaceNode* sourceTabStack =
FindUIEditorWorkspaceNode(m_workspace, sourceNodeId);
const UIEditorWorkspaceNode* targetTabStack =
FindUIEditorWorkspaceNode(m_workspace, targetNodeId);
if (sourceTabStack == nullptr ||
targetTabStack == nullptr ||
sourceTabStack->kind != UIEditorWorkspaceNodeKind::TabStack ||
targetTabStack->kind != UIEditorWorkspaceNodeKind::TabStack) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack source or target tab stack is missing.");
}
const Detail::VisibleTabStackInfo sourceInfo =
Detail::ResolveVisibleTabStackInfo(*sourceTabStack, m_session, panelId);
if (!sourceInfo.panelExists) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack target panel is missing from the source tab stack.");
}
if (!sourceInfo.panelVisible) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack only supports open and visible tabs.");
}
const std::size_t visibleTargetCount =
Detail::CountVisibleTabs(*targetTabStack, m_session);
if (targetVisibleInsertionIndex > visibleTargetCount) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack target visible insertion index is out of range.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TryMoveUIEditorWorkspaceTabToStack(
m_workspace,
m_session,
sourceNodeId,
panelId,
targetNodeId,
targetVisibleInsertionIndex)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack rejected.");
}
if (AreUIEditorWorkspaceModelsEquivalent(previousWorkspace, m_workspace)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Tab already matches the requested target stack insertion.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"MoveTabToStack produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Tab moved to target stack.");
}
UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::DockTabRelative(
std::string_view sourceNodeId,
std::string_view panelId,
std::string_view targetNodeId,
UIEditorWorkspaceDockPlacement placement,
float splitRatio) {
{
std::ostringstream trace = {};
trace << "DockTabRelative begin sourceNode=" << sourceNodeId
<< " panel=" << panelId
<< " targetNode=" << targetNodeId
<< " placement=" << static_cast<int>(placement)
<< " splitRatio=" << splitRatio;
AppendUIEditorRuntimeTrace("workspace", trace.str());
}
const UIEditorWorkspaceControllerValidationResult validation = ValidateState();
if (!validation.IsValid()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"Controller state invalid: " + validation.message);
}
if (sourceNodeId.empty() || targetNodeId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative requires both source and target tab stack ids.");
}
if (panelId.empty()) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative requires a panel id.");
}
const UIEditorWorkspaceNode* sourceTabStack =
FindUIEditorWorkspaceNode(m_workspace, sourceNodeId);
const UIEditorWorkspaceNode* targetTabStack =
FindUIEditorWorkspaceNode(m_workspace, targetNodeId);
if (sourceTabStack == nullptr ||
targetTabStack == nullptr ||
sourceTabStack->kind != UIEditorWorkspaceNodeKind::TabStack ||
targetTabStack->kind != UIEditorWorkspaceNodeKind::TabStack) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative source or target tab stack is missing.");
}
const Detail::VisibleTabStackInfo sourceInfo =
Detail::ResolveVisibleTabStackInfo(*sourceTabStack, m_session, panelId);
if (!sourceInfo.panelExists) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative target panel is missing from the source tab stack.");
}
if (!sourceInfo.panelVisible) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative only supports open and visible tabs.");
}
const UIEditorWorkspaceModel previousWorkspace = m_workspace;
if (!TryDockUIEditorWorkspaceTabRelative(
m_workspace,
m_session,
sourceNodeId,
panelId,
targetNodeId,
placement,
splitRatio)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative rejected.");
}
if (AreUIEditorWorkspaceModelsEquivalent(previousWorkspace, m_workspace)) {
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::NoOp,
"Dock layout already matches the requested placement.");
}
const UIEditorWorkspaceControllerValidationResult postValidation = ValidateState();
if (!postValidation.IsValid()) {
m_workspace = previousWorkspace;
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Rejected,
"DockTabRelative produced invalid controller state: " + postValidation.message);
}
return BuildLayoutOperationResult(
UIEditorWorkspaceLayoutOperationStatus::Changed,
"Tab docked relative to target stack.");
}
} // namespace XCEngine::UI::Editor