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TreeCtrl

 

TreeCtrl used to show file hierarchy, editors in TreeCtrl and OptionTree example

 

 

 

main.cpp

 

#include "CtrlLib/CtrlLib.h"

 

using namespace Upp;

 

struct App : TopWindow {

    Splitter   horz;

    TreeCtrl   tree1;

    TreeCtrl   tree2;

    OptionTree optree;

    Option     x[10];

    StatusBar  info;

    Array<EditString> edit;

 

    typedef App CLASSNAME;

 

    void OpenDir(int id) {

        String path = tree1[id];

        for(FindFile ff(AppendFileName(path, "*.*")); ff; ff.Next()) {

            String n = ff.GetName();

            if(n != "." && n != "..")

                tree1.Add(id, ff.IsFolder() ? CtrlImg::error() : CtrlImg::File(),

                          AppendFileName(path, n), n, ff.IsFolder());

        }

    }

 

    void CloseDir(int id) {

        ;

    }

 

    void LoadTree(int parent, const String& path, Progress& pi)

    {

        pi.SetText(DeFormat(path));

        for(FindFile ff(AppendFileName(path, "*.*")); ff; ff.Next()) {

            if(pi.StepCanceled())

                return;

            String n = ff.GetName();

            if(n != "." && n != "..") {

                edit.Add();

                edit.Top() <<= n;

                int q;

                static int x;

                if(++x & 1)

                    q = tree2.Add(parent, ff.IsFolder() ? CtrlImg::Dir() : CtrlImg::File(),

                                  edit.Top(), 150);

                else

                    q = tree2.Add(parent, ff.IsFolder() ? CtrlImg::Dir() : CtrlImg::File(), n);

                if(ff.IsFolder())

                    LoadTree(q, AppendFileName(path, n), pi);

            }

        }

    }

 

    App() {

        horz.Add(tree1);

        horz.Add(tree2);

        horz.Add(optree);

        Add(horz.Horz().SizePos());

        optree.SetRoot("everything");

        for(int i = 0; i < 10; i++)

            optree.Add(i ? rand() % i : 0, x[i], AsString(i));

        tree1.MultiSelect();

        tree1.WhenOpen = THISFN(OpenDir);

        tree1.WhenClose = [=] (int id) { tree1.RemoveChildren(id); };

    #ifdef PLATFORM_WIN32

        String dir = String(GetExeFilePath()[0], 1) + ":\\";

    #else

        String dir = "/usr";

    #endif

        tree1.SetRoot(CtrlImg::Dir(), dir);

        tree2.SetRoot(CtrlImg::Dir(), dir);

        Progress pi;

        pi.AlignText(ALIGN_LEFT);

        LoadTree(0, dir, pi);

        tree2.NoCursor().NoRoot();

        tree2.SortDeep(0);

        Sizeable();

 

        tree1.WhenCursor = [=] { info = ~tree1; };

        tree1.AddFrame(info);

    }

};

 

GUI_APP_MAIN

{

    App().Run();

}

 

 

 

 

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