CMakePM: Display presets as part of the project outline

Fixes: QTCREATORBUG-28966
Change-Id: Iae0f77956bf6f4682ea8a25e08d05de3331c7420
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/cmakeprojectmanager/cmakeproject.cpp

@@ -93,6 +93,14 @@ Internal::PresetsData CMakeProject::combinePresets(Internal::PresetsData &cmakeP
     result.version = cmakePresetsData.version;
     result.cmakeMinimimRequired = cmakePresetsData.cmakeMinimimRequired;
 
+    result.include = cmakePresetsData.include;
+    if (result.include) {
+        if (cmakeUserPresetsData.include)
+            result.include->append(cmakeUserPresetsData.include.value());
+    } else {
+        result.include = cmakeUserPresetsData.include;
+    }
+
     auto combinePresetsInternal = [](auto &presetsHash,
                                      auto &presets,
                                      auto &userPresets,

src/plugins/cmakeprojectmanager/cmakeprojectnodes.cpp

@@ -30,6 +30,15 @@ CMakeInputsNode::CMakeInputsNode(const FilePath &cmakeLists) :
     setListInProject(false);
 }
 
+CMakePresetsNode::CMakePresetsNode(const FilePath &projectPath) :
+    ProjectExplorer::ProjectNode(projectPath)
+{
+    setPriority(Node::DefaultPriority - 9);
+    setDisplayName(Tr::tr("CMake Presets"));
+    setIcon(DirectoryIcon(ProjectExplorer::Constants::FILEOVERLAY_PRODUCT));
+    setListInProject(false);
+}
+
 CMakeListsNode::CMakeListsNode(const FilePath &cmakeListPath) :
     ProjectExplorer::ProjectNode(cmakeListPath)
 {

src/plugins/cmakeprojectmanager/cmakeprojectnodes.h

@@ -15,6 +15,12 @@ public:
     CMakeInputsNode(const Utils::FilePath &cmakeLists);
 };
 
+class CMakePresetsNode : public ProjectExplorer::ProjectNode
+{
+public:
+    CMakePresetsNode(const Utils::FilePath &projectPath);
+};
+
 class CMakeListsNode : public ProjectExplorer::ProjectNode
 {
 public:

src/plugins/cmakeprojectmanager/fileapidataextractor.cpp

@@ -711,6 +711,9 @@ std::unique_ptr<CMakeProjectNode> generateRootProjectNode(
                        std::move(data.cmakeNodesBuild),
                        std::move(data.cmakeNodesOther));
 
+
+    addCMakePresets(result.get(), sourceDirectory);
+
     data.cmakeNodesSource.clear(); // Remove all the nullptr in the vector...
     data.cmakeNodesBuild.clear();  // Remove all the nullptr in the vector...
     data.cmakeNodesOther.clear();  // Remove all the nullptr in the vector...

src/plugins/cmakeprojectmanager/projecttreehelper.cpp

@@ -3,9 +3,11 @@
 
 #include "projecttreehelper.h"
 
+#include "cmakeproject.h"
 #include "cmakeprojectmanagertr.h"
 
 #include <projectexplorer/projectexplorerconstants.h>
+#include <projectexplorer/projectmanager.h>
 
 #include <utils/algorithm.h>
 #include <utils/fsengine/fileiconprovider.h>
@@ -88,6 +90,34 @@ void addCMakeInputs(FolderNode *root,
     root->addNode(std::move(cmakeVFolder));
 }
 
+void addCMakePresets(FolderNode *root, const Utils::FilePath &sourceDir)
+{
+    QStringList presetFileNames;
+    presetFileNames << "CMakePresets.json";
+    presetFileNames << "CMakeUserPresets.json";
+
+    const CMakeProject *cp = static_cast<const CMakeProject *>(
+        ProjectManager::projectForFile(sourceDir.pathAppended("CMakeLists.txt")));
+
+    if (cp && cp->presetsData().include)
+        presetFileNames.append(cp->presetsData().include.value());
+
+    std::vector<std::unique_ptr<FileNode>> presets;
+    for (const auto &fileName : presetFileNames) {
+        Utils::FilePath file = sourceDir.pathAppended(fileName);
+        if (file.exists())
+            presets.push_back(std::make_unique<FileNode>(file, Node::fileTypeForFileName(file)));
+    }
+
+    if (presets.empty())
+        return;
+
+    std::unique_ptr<ProjectNode> cmakeVFolder = std::make_unique<CMakePresetsNode>(root->filePath());
+    addCMakeVFolder(cmakeVFolder.get(), sourceDir, 1000, QString(), std::move(presets));
+
+    root->addNode(std::move(cmakeVFolder));
+}
+
 QHash<Utils::FilePath, ProjectNode *> addCMakeLists(
     CMakeProjectNode *root, std::vector<std::unique_ptr<FileNode>> &&cmakeLists)
 {

src/plugins/cmakeprojectmanager/projecttreehelper.h

@@ -30,6 +30,8 @@ void addCMakeInputs(ProjectExplorer::FolderNode *root,
                     std::vector<std::unique_ptr<ProjectExplorer::FileNode>> &&buildInputs,
                     std::vector<std::unique_ptr<ProjectExplorer::FileNode>> &&rootInputs);
 
+void addCMakePresets(ProjectExplorer::FolderNode *root, const Utils::FilePath &sourceDir);
+
 QHash<Utils::FilePath, ProjectExplorer::ProjectNode *> addCMakeLists(
     CMakeProjectNode *root, std::vector<std::unique_ptr<ProjectExplorer::FileNode>> &&cmakeLists);