Added pointers to active project/task and void to set active task

src/project.cpp

@@ -7,33 +7,44 @@
 Project::Project(std::string name){
     Project::name = name;    
     Project::num_tasks = 0;
-    Project::active_task = 0;
+    Project::active_task_id = 0;
 }
 
 void Project::add_task(Task task){
     tasks.push_back(task);
-    active_task = num_tasks;
+    set_active_task(num_tasks);
     num_tasks++;
 }
 
 void Project::remove_task(int id){
     tasks.erase(tasks.begin()+id);
-    active_task = std::max(id-1,0);
+    set_active_task(std::max(id-1,0));
     num_tasks--;
 }
 
+void Project::set_active_task(int id){
+    active_task_id = id;
+    active_task = &tasks[id];
+}
+
 void ProjectList::add_project(Project proj){
     projects.push_back(proj);
-    active_project = num_projects;
+    set_active_project(num_projects);
     num_projects++;
 }
 
 void ProjectList::remove_project(int id){
     projects.erase(projects.begin()+id);
-    active_project = std::max(id-1,0);
+    set_active_project(std::max(id-1,0));
     num_projects--;
 }
 
+void ProjectList::set_active_project(int id){
+    active_project_id = id;
+    active_project = &projects[id];
+}
+
+
 void ProjectList::save(std::string file_name){
     std::ofstream of(file_name, std::ios::binary);
     if (!of){
@@ -41,13 +52,13 @@ void ProjectList::save(std::string file_name){
         exit(1);
     }
     of.write((char*) &num_projects, sizeof(int));
-    of.write((char*) &active_project, sizeof(int));
+    of.write((char*) &active_project_id, sizeof(int));
     for (int i=0; i<num_projects; i++){
         size_t len = projects[i].name.size();
         of.write((char*) &len, sizeof(size_t));
         of.write((char*) projects[i].name.c_str(),len);
         of.write((char*) &(projects[i].num_tasks), sizeof(int));
-        of.write((char*) &(projects[i].active_task), sizeof(int));
+        of.write((char*) &(projects[i].active_task_id), sizeof(int));
         for (int j=0; j<projects[i].num_tasks; j++){
             size_t task_name_len = projects[i].tasks[j].name.size();
             of.write((char*) &task_name_len, sizeof(size_t));
@@ -68,6 +79,7 @@ void ProjectList::load(std::string file_name){
     inf.read((char*) &num_projects,sizeof(int));
     inf.read((char*) &active, sizeof(int));
     int np = num_projects;
+    int *active_task_arr = new int[np];
     for (int i=0; i<np;i++){
         size_t len;
         std::string proj_name;
@@ -97,9 +109,18 @@ void ProjectList::load(std::string file_name){
             task.add_time(work_time);
             proj.add_task(task);   
         }
-        proj.active_task = active_t;
+        //proj.active_task_id = active_t;
+        //proj.set_active_task(active_t);
+        //proj.set_active_task(active_t);
+        active_task_arr[i] = active_t;
         add_project(proj);
+        //active_project->set_active_task(active_t);
     }
-    active_project = active;
+    //active_project_id = active;
+    set_active_project(active);
+    for (int i=0; i<np ; i++){
+        projects[i].set_active_task(active_task_arr[i]);
+    }
+    delete [] active_task_arr;
     inf.close();
 }

src/project.h

@@ -13,7 +13,9 @@ class Project{
         std::vector<Task> tasks;
         void add_task(Task task);
         void remove_task(int id);
-        int active_task;
+        int active_task_id;
+        Task *active_task;
+        void set_active_task(int id);
 };
 
 class ProjectList{
@@ -22,7 +24,9 @@ class ProjectList{
         std::vector<Project> projects;
         void add_project(Project proj);
         void remove_project(int id);
-        int active_project;
+        int active_project_id;
+        Project *active_project;
+        void set_active_project(int id);
         void save(std::string file_name);
         void load(std::string file_name);
 };

src/tt.cpp

@@ -19,10 +19,10 @@ int main(){
     */
     ProjectList proj_list;
     proj_list.add_project(proj);
-    std::cout << "Project List no of projects: " << proj_list.num_projects << " Name of active proj: " << proj_list.projects[proj_list.active_project].name << std::endl;
+    std::cout << "Project List no of projects: " << proj_list.num_projects << " Name of active proj: " << proj_list.projects[proj_list.active_project_id].name << std::endl;
 
     std::cout << "Write Project List to file" << std::endl;
-    std::cout << "Active Project: " << proj_list.active_project << std::endl;
+    std::cout << "Active Task: " << proj_list.active_project->active_task->name  << std::endl;
     proj_list.save("test.bin");
     
     std::cout << "Read Project List from file" << std::endl;
@@ -30,10 +30,13 @@ int main(){
     list2.load("test.bin");
     
     std::cout << "Project List no of projects: " << list2.num_projects << std::endl;
-    std::cout << "active Project: " << list2.active_project << std::endl;
+    std::cout << "active Project: " << list2.active_project_id << std::endl;
-    std::cout << "Name of active proj: " << list2.projects[list2.active_project].name << std::endl;
+    std::cout << "Name of active proj: " << list2.projects[list2.active_project_id].name << std::endl;
-    std::cout << "Name of active task: " << list2.projects[list2.active_project].tasks[list2.projects[list2.active_project].active_task].name << std::endl;
+    std::cout << list2.active_project->name << std::endl;
-    std::cout << "Work time of this task: " << list2.projects[list2.active_project].tasks[list2.projects[list2.active_project].active_task].work_time << std::endl;
+    //std::cout << "Name of active task: " << list2.projects[list2.active_project_id].tasks[list2.projects[list2.active_project_id].active_task_id].name << std::endl;
-
+    std::cout << list2.active_project->active_task->name << std::endl;
+    std::cout << list2.active_project->active_task->work_time << std::endl;
+    //std::cout << "Work time of this task: " << list2.projects[list2.active_project_id].tasks[list2.projects[list2.active_project_id].active_task_id].work_time << std::endl;
+    //std::cout << list2.active_project->active_task->work_time << std::endl;
     return 0;
 }