//Begin_Html <img src="gif/browser.gif"> End_Html //
#include "TBrowser.h"
#include "TGuiFactory.h"
#include "TROOT.h"
#include "TSystem.h"
#include "TStyle.h"
#include "TTimer.h"
#include "TContextMenu.h"
#include "TInterpreter.h"
#include "TVirtualMutex.h"
#include "TClass.h"
class TBrowserTimer : public TTimer {
protected:
TBrowser *fBrowser;
Bool_t fActivate;
public:
TBrowserTimer(TBrowser *b, Long_t ms = 1000)
: TTimer(ms, kTRUE), fBrowser(b), fActivate(kFALSE) { }
Bool_t Notify();
};
class TBrowserObject : public TNamed
{
public:
TBrowserObject(void *obj, TClass *cl, const char *brname);
~TBrowserObject(){;}
void Browse(TBrowser* b);
Bool_t IsFolder() const;
TClass *IsA() const { return fClass; }
private:
void *fObj;
TClass *fClass;
};
ClassImp(TBrowser)
TBrowser::TBrowser(const char *name, const char *title)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0),
fContextMenu(0), fNeedRefresh(kFALSE)
{
if (TClass::IsCallingNew()) {
fImp = 0;
} else {
Float_t cx = gStyle->GetScreenFactor();
UInt_t w = UInt_t(cx*800);
UInt_t h = UInt_t(cx*500);
fImp = gGuiFactory->CreateBrowserImp(this, title, w, h);
Create();
}
}
TBrowser::TBrowser(const char *name, const char *title,
UInt_t width, UInt_t height)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
fImp = gGuiFactory->CreateBrowserImp(this, title, width, height);
Create();
}
TBrowser::TBrowser(const char *name, const char *title,
Int_t x, Int_t y,
UInt_t width, UInt_t height)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
fImp = gGuiFactory->CreateBrowserImp(this, title, x, y, width, height);
Create();
}
TBrowser::TBrowser(const char *name, TObject *obj, const char *title)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
Float_t cx = gStyle->GetScreenFactor();
UInt_t w = UInt_t(cx*800);
UInt_t h = UInt_t(cx*500);
fImp = gGuiFactory->CreateBrowserImp(this, title, w, h);
Create(obj);
}
TBrowser::TBrowser(const char *name, TObject *obj, const char *title,
UInt_t width, UInt_t height)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
fImp = gGuiFactory->CreateBrowserImp(this, title, width, height);
Create(obj);
}
TBrowser::TBrowser(const char *name, TObject *obj, const char *title,
Int_t x, Int_t y,
UInt_t width, UInt_t height)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
fImp = gGuiFactory->CreateBrowserImp(this, title, x, y, width, height);
Create(obj);
}
TBrowser::TBrowser(const char *name, void *obj, TClass *cl,
const char *objname, const char *title)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
Float_t cx = gStyle->GetScreenFactor();
UInt_t w = UInt_t(cx*800);
UInt_t h = UInt_t(cx*500);
fImp = gGuiFactory->CreateBrowserImp(this, title, w, h);
Create(new TBrowserObject(obj,cl,objname));
}
TBrowser::TBrowser(const char *name, void *obj, TClass *cl,
const char *objname, const char *title,
UInt_t width, UInt_t height)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
fImp = gGuiFactory->CreateBrowserImp(this, title, width, height);
Create(new TBrowserObject(obj,cl,objname));
}
TBrowser::TBrowser(const char *name,void *obj, TClass *cl,
const char *objname, const char *title,
Int_t x, Int_t y,
UInt_t width, UInt_t height)
: TNamed(name, title), fLastSelectedObject(0), fTimer(0), fContextMenu(0),
fNeedRefresh(kFALSE)
{
fImp = gGuiFactory->CreateBrowserImp(this, title, x, y, width, height);
Create(new TBrowserObject(obj,cl,objname));
}
TBrowser::TBrowser(const TBrowser& br) :
TNamed(br),
fLastSelectedObject(br.fLastSelectedObject),
fImp(br.fImp),
fTimer(br.fTimer),
fContextMenu(br.fContextMenu),
fNeedRefresh(br.fNeedRefresh)
{
}
TBrowser& TBrowser::operator=(const TBrowser& br)
{
if (this != &br) {
TNamed::operator=(br);
fLastSelectedObject=br.fLastSelectedObject;
fImp=br.fImp;
fTimer=br.fTimer;
fContextMenu=br.fContextMenu;
fNeedRefresh=br.fNeedRefresh;
}
return *this;
}
TBrowser::~TBrowser()
{
R__LOCKGUARD2(gROOTMutex);
gROOT->GetListOfBrowsers()->Remove(this);
delete fContextMenu;
delete fTimer;
delete fImp;
}
void TBrowser::Add(TObject *obj, const char *name, Int_t check)
{
if (obj && fImp) {
fImp->Add(obj, name, check);
obj->SetBit(kMustCleanup);
}
}
void TBrowser::Add(void *obj, TClass *cl, const char *name, Int_t check)
{
if (!obj || !cl) return;
TObject *to;
if (cl->IsTObject()) to = (TObject*)cl->DynamicCast(TObject::Class(),obj,kTRUE);
else to = new TBrowserObject(obj,cl,name);
if (!to) return;
Add(to,name,check);
}
void TBrowser::AddCheckBox(TObject *obj, Bool_t check)
{
if (obj && fImp) {
fImp->AddCheckBox(obj, check);
}
}
void TBrowser::CheckObjectItem(TObject *obj, Bool_t check)
{
if (obj && fImp) {
fImp->CheckObjectItem(obj, check);
}
}
void TBrowser::RemoveCheckBox(TObject *obj)
{
if (obj && fImp) {
fImp->RemoveCheckBox(obj);
}
}
void TBrowser::Create(TObject *obj)
{
fNeedRefresh = kFALSE;
fTimer = new TBrowserTimer(this);
gSystem->AddTimer(fTimer);
R__LOCKGUARD2(gROOTMutex);
gROOT->GetListOfBrowsers()->Add(this);
gROOT->GetListOfGlobals(kTRUE);
gROOT->GetListOfGlobalFunctions(kTRUE);
fContextMenu = new TContextMenu("BrowserContextMenu") ;
if (obj) {
Add(obj);
if (fImp) fImp->BrowseObj(obj);
} else if (fImp) {
fImp->BrowseObj(gROOT);
}
}
void TBrowser::ExecuteDefaultAction(TObject *obj)
{
if (obj && fImp)
fImp->ExecuteDefaultAction(obj);
}
void TBrowser::RecursiveRemove(TObject *obj)
{
if (fImp && obj) {
fImp->RecursiveRemove(obj);
fNeedRefresh = kTRUE;
}
}
void TBrowser::Refresh()
{
fNeedRefresh = kTRUE;
if (fImp) fImp->Refresh();
fNeedRefresh = kFALSE;
}
void TBrowser::SetSelected(TObject *clickedObject)
{
fLastSelectedObject = clickedObject;
}
Bool_t TBrowserTimer::Notify()
{
if (fBrowser) {
if (fBrowser->GetRefreshFlag()) {
fBrowser->SetRefreshFlag(kFALSE);
fActivate = kTRUE;
} else if (fActivate) {
fActivate = kFALSE;
fBrowser->Refresh();
}
}
Reset();
return kFALSE;
}
TBrowserObject::TBrowserObject(void *obj, TClass *cl, const char *brname)
: TNamed(brname,cl->GetName()), fObj(obj), fClass(cl)
{
if (cl==0) Fatal("Constructor","Class parameter should not be null");
SetBit(kCanDelete);
}
Bool_t TBrowserObject::IsFolder() const
{
return fClass->IsFolder(fObj);
}
void TBrowserObject::Browse(TBrowser* b)
{
fClass->Browse(fObj, b);
}
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