GuiTree.cxx

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#include "GuiTree.h"

#include <iostream>
using namespace std;

GuiTreeEntry::GuiTreeEntry(TGClient* client, const char* name,
                           const TGPicture* opened,const TGPicture* closed)
#if ROOT_VERSION_CODE >= ROOT_VERSION(5,19,01)
    : TGListTreeItemStd(client,name,opened,closed)
#else
    : TGListTreeItem(client,name,opened,closed)
#endif
{
}

GuiTreeEntry::~GuiTreeEntry()
{
}

GuiTree::GuiTree(TGWindow& parent, UInt_t options)
    : TGListTree(&parent,10,10,options)
{
    this->SetLayoutHints(kLHintsExpandX|kLHintsExpandY);
    this->Associate(&parent);
}
GuiTree::~GuiTree()
{
}

GuiTreeEntry* GuiTree::AddEntry(GuiTreeEntry* parent, const char* label)
{

    GuiTreeEntry *entry;

    const TGPicture* open   = fClient->GetPicture("ofolder_t.xpm");
    const TGPicture* closed = fClient->GetPicture("folder_t.xpm");

    entry = new GuiTreeEntry(fClient, label, open, closed);
    this->TGListTree::InsertChild(parent, entry);

    return entry;
}


void GuiTree::Clicked(TGListTreeItem* item, Int_t btn)
{
    this->TGListTree::Clicked(item,btn);

    GuiTreeEntry* entry = dynamic_cast<GuiTreeEntry*>(item);
    if (!entry) return;
    entry->clicked.emit();
}
void GuiTree::DoubleClicked(TGListTreeItem* item, Int_t btn)
{
    this->TGListTree::DoubleClicked(item,btn);

    cerr << "Double clicked, item is " 
         << (item->IsOpen() ? "open" : "closed") << endl;

    fClient->NeedRedraw(this);
    return;

    if (item->IsOpen()) {
        this->TGListTree::CloseItem(item);
    }
    else {
        this->TGListTree::OpenItem(item);
    }
    cerr << "           now item is " 
         << (item->IsOpen() ? "open" : "closed") << endl;

}
void GuiTree::OnMouseOver(TGListTreeItem* item)
{
#if ROOT_VERSION_CODE >= ROOT_VERSION(5,19,01)
    this->TGListTree::MouseOver(item);
#else
    this->TGListTree::OnMouseOver(item);
#endif

    GuiTreeEntry* entry = dynamic_cast<GuiTreeEntry*>(item);
    if (!entry) return;
    entry->on_mouse_over.emit();
}

void GuiTree::DeleteAllItems()
{
    TGListTreeItem* item;
    while ( (item = this->GetFirstItem()) ) {
        this->DeleteChildren(item);
        this->DeleteItem(item);
        
    }
    fClient->NeedRedraw(this);
}

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