/* AbiSource Application Framework
 * Copyright (C) 1998 AbiSource, Inc.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <Entry.h>
#include <Path.h>
#include <Directory.h>
#include <FilePanel.h>
#include <String.h>
#include "ut_string.h"
#include "ut_assert.h"
#include "xap_Dialog_Id.h"
#include "xap_Dlg_MessageBox.h"
#include "xap_BeOSDlg_FileOpenSaveAs.h"
#include "xap_BeOSApp.h"
#include "xap_BeOSFrame.h"

#include <InterfaceDefs.h>
sem_id					sync_sem = -1;

/*****************************************************************/
//This function is the one that sits and waits and waits ...

class DLGHandler: public BHandler {
	public:
		DLGHandler(XAP_BeOSDialog_FileOpenSaveAs *dlg, const char *name = NULL);
		virtual void MessageReceived(BMessage *msg);
	private:
		XAP_BeOSDialog_FileOpenSaveAs *m_pDlg;
		int closed;
};

DLGHandler::DLGHandler(XAP_BeOSDialog_FileOpenSaveAs *dlg, const char *name)
		   : BHandler(name) {
	m_pDlg = dlg;	
	be_app->Lock();
	be_app->AddHandler(this);
	be_app->Unlock();
	closed = 0;
}

void DLGHandler::MessageReceived(BMessage *msg) {
	switch (msg->what) 
	{
		case 'styp':
		{
		
		// Called when they change the filetype.
		
		int32 index;
		if( msg->FindInt32("index" , &index) == B_OK)
		{
				printf("Filetype changed. = %d\n" , index);
				m_pDlg->SetFileTypeIndex(index);//m_nFileType = 3;
		}
		
		return;
		}
		
	case 'fopn': {
		entry_ref ref;
		msg->FindRef("refs", &ref);
		BEntry  entry(&ref);
		BPath	path;
		entry.GetPath(&path);
		m_pDlg->SetAnswer(XAP_Dialog_FileOpenSaveAs::a_OK);
		m_pDlg->SetPathname(path.Path());
		break;
	}
	case 'fsve': {		//Check "name" and "directory"
		entry_ref ref;
		int32 index;
		BString pathname;
		const char *name;
		msg->FindRef("directory", &ref);
		BDirectory  dir(&ref);
		BPath path(&dir, NULL, false);
		msg->FindString("name", &name);
		msg->FindInt32("index" , &index);
		pathname = name;
		if ((!UT_pathSuffix(name)))
			pathname.Append(".abw");
		path.Append(pathname.String());
		m_pDlg->SetAnswer(XAP_Dialog_FileOpenSaveAs::a_OK);
		m_pDlg->SetPathname(path.Path());
		break;
	}
	case B_CANCEL:
		m_pDlg->SetAnswer(XAP_Dialog_FileOpenSaveAs::a_CANCEL);
		break;
	default:
		BHandler::MessageReceived(msg);
		return;
	}
	#if 0 // Do something pretty instead.
    	release_sem(sync_sem); 
	#else
		delete_sem(sync_sem);
	#endif
}

/*****************************************************************/
XAP_Dialog * XAP_BeOSDialog_FileOpenSaveAs::static_constructor(XAP_DialogFactory * pFactory,
															 XAP_Dialog_Id id)
{
	XAP_BeOSDialog_FileOpenSaveAs * p = new XAP_BeOSDialog_FileOpenSaveAs(pFactory,id);
	return p;
}

XAP_BeOSDialog_FileOpenSaveAs::XAP_BeOSDialog_FileOpenSaveAs(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id)
	: XAP_Dialog_FileOpenSaveAs(pDlgFactory,id)
{
	m_pOpenPanel = NULL;
	m_pSavePanel = NULL;

	//This isn't so good
//	if (sync_sem < 0)

	m_pHandler = new DLGHandler(this, "Dialog Handler");
}

XAP_BeOSDialog_FileOpenSaveAs::~XAP_BeOSDialog_FileOpenSaveAs(void)
{
	delete m_pHandler;
	m_pHandler = NULL;
}

void XAP_BeOSDialog_FileOpenSaveAs::SetFileTypeIndex(UT_sint32 newIndex)
{
	m_nFileType = m_nTypeList[newIndex];
}

void XAP_BeOSDialog_FileOpenSaveAs::runModal(XAP_Frame * pFrame)
{
	bool b_find = true;

	m_pBeOSFrame = (XAP_BeOSFrame*)pFrame;
	UT_ASSERT(m_pBeOSFrame);

	const XAP_StringSet * pSS = m_pApp->getStringSet();
	
	sync_sem = create_sem(0, "sync_sem");
	
	// do we want to let this function handle stating the BeOS
	// directory for writability?  Save/Export operations will want
	// this, open/import will not.

	const XML_Char * szTitle = NULL;
	const XML_Char * szFileTypeLabel = NULL;

	BMessenger *messenger = new BMessenger(m_pHandler);

	m_pOpenPanel = m_pSavePanel = NULL;
	bool bCheckWritePermission = false;
		
	//Set Dialog Title & FileType Label

	szFileTypeLabel = pSS->getValue(XAP_STRING_ID_DLG_FOSA_FileOpenTypeLabel);

	switch (m_id) {
		case XAP_DIALOG_ID_INSERT_PICTURE:
			szTitle = pSS->getValue(XAP_STRING_ID_DLG_IP_Title);
			break;
		case XAP_DIALOG_ID_FILE_OPEN:
			szTitle = pSS->getValue(XAP_STRING_ID_DLG_FOSA_OpenTitle);
			break;
		case XAP_DIALOG_ID_FILE_IMPORT:
			szTitle = pSS->getValue(XAP_STRING_ID_DLG_FOSA_ImportTitle);
			break;
		case XAP_DIALOG_ID_INSERT_FILE:
			szTitle = pSS->getValue(XAP_STRING_ID_DLG_FOSA_InsertTitle);
			break;
		case XAP_DIALOG_ID_FILE_SAVEAS:
			szTitle = pSS->getValue(XAP_STRING_ID_DLG_FOSA_SaveAsTitle);
			szFileTypeLabel = pSS->getValue(XAP_STRING_ID_DLG_FOSA_FileSaveTypeLabel);
			bCheckWritePermission = true;
			break;
		case XAP_DIALOG_ID_FILE_EXPORT:
			szTitle = pSS->getValue(XAP_STRING_ID_DLG_FOSA_ExportTitle);
			szFileTypeLabel = pSS->getValue(XAP_STRING_ID_DLG_FOSA_FileSaveTypeLabel);
			bCheckWritePermission = true;
			break;
		case XAP_DIALOG_ID_PRINTTOFILE:
			szTitle = pSS->getValue(XAP_STRING_ID_DLG_FOSA_PrintToFileTitle);
			szFileTypeLabel = pSS->getValue(XAP_STRING_ID_DLG_FOSA_FilePrintTypeLabel);
			bCheckWritePermission = true;
			break;
		default:
			b_find = false;
	}

	//Show FilePanel Dialog

	if (b_find)
	{
		if (bCheckWritePermission)
		{
			//Save Panel
			if (!m_pSavePanel) {
				//BMessenger tmpMessenger(this);
			 	m_pSavePanel = new BFilePanel(B_SAVE_PANEL, 	//Mode SAVE/OPEN
       									  messenger,				//Target BMessenger
       									  NULL, 			//entry_ref* directory
       									  0, 				//Node flavours
       									  false, 			//multiselect
       									  new BMessage('fsve'), 			//BMessage
       									  NULL, 			//BRefFilter
       									  true, 			//modal
       									  false);			//hide when done
				m_pSavePanel->Window()->SetTitle(szTitle);
			
				if( m_pSavePanel->Window()->Lock())
				{
					// Add our sweet file type selection list to the dialog.
					// We put it 10 points to the right of the filename.

//					m_pSavePanel->Window()->ResizeBy(0.0, 30.0);
					m_pSavePanel->Window()->ChildAt(0)->FindView("PoseView")->ResizeBy(0.0, -30.0);
					m_pSavePanel->Window()->ChildAt(0)->FindView("VScrollBar")->ResizeBy(0.0, -30.0);
					m_pSavePanel->Window()->ChildAt(0)->FindView("CountVw")->MoveBy(0.0, -30.0);
					m_pSavePanel->Window()->ChildAt(0)->FindView("HScrollBar")->MoveBy(0.0, -30.0);

					BRect saveTypeRect = m_pSavePanel->Window()->ChildAt(0)->FindView("text view")->Frame();
					saveTypeRect.right = saveTypeRect.left + 330.0;
					saveTypeRect.top -= 30.0;
					saveTypeRect.bottom -= 30.0;

					BPopUpMenu* pPopup = new BPopUpMenu("typeListMenu");
					BMenuField* typeList = new BMenuField(saveTypeRect , "typeList" , szFileTypeLabel , pPopup , B_FOLLOW_LEFT | B_FOLLOW_BOTTOM , B_WILL_DRAW);
					typeList->SetDivider( typeList->StringWidth(szFileTypeLabel) + 13);
					typeList->SetViewColor(m_pSavePanel->Window()->ChildAt(0)->ViewColor());
					m_pSavePanel->Window()->ChildAt(0)->AddChild(typeList);
					m_pSavePanel->Window()->Unlock();
				
					for(int i = 0; m_szDescriptions[i] != '\0'; i ++)
					{
						BMenuItem* newItem = new BMenuItem(m_szDescriptions[i] , new BMessage('styp'));
						newItem->SetTarget(*messenger);
						pPopup->AddItem(newItem);
					
						if( m_nTypeList[i] == m_nDefaultFileType)
							newItem->SetMarked(true);
					}
				}
			}

			if(m_szInitialPathname)
			{
				BPath parent;
				BPath* fullPath = new BPath(m_szInitialPathname);
			
				if( fullPath->GetParent(&parent) == B_OK)
					{
					m_pSavePanel->SetSaveText(fullPath->Leaf());
					m_pSavePanel->SetPanelDirectory(parent.Path());
				}
				delete fullPath;
			}
			m_pSavePanel->Show();
		}
		else
		{
			//Open Panel
			if (!m_pOpenPanel) {
				//BMessenger tmpMessenger(this);
			 	m_pOpenPanel = new BFilePanel(B_OPEN_PANEL, 	//Mode SAVE/OPEN
          								  	messenger,			//Target BMessenger
         								  	NULL, 			//entry_ref* directory
         								  	0, 				//Node flavours
         								  	false, 			//multiselect
         								  	new BMessage('fopn'), 			//BMessage
         								  	NULL, 			//BRefFilter
         								  	true, 			//modal
         								  	false);			//hide when done
				m_pOpenPanel->Window()->SetTitle(szTitle);
			}
			m_pOpenPanel->Show();
		}

	//Wait for the pannels to be finished
#if 0 // Instead of just waiting, make the windows look pretty.
 		acquire_sem(sync_sem);
#else
		status_t	result;
		thread_id	this_tid = find_thread(NULL);
		BLooper		*pLoop;
		BWindow		*pWin = 0;

		pLoop = BLooper::LooperForThread(this_tid);
		if (pLoop)
			pWin = dynamic_cast<BWindow*>(pLoop);

	// block until semaphore is deleted (modal is finished)
		if (pWin) 
		{
			do {
				// update the window periodically			
				pWin->UpdateIfNeeded();
				result = acquire_sem_etc(sync_sem, 1, B_TIMEOUT, 10000);
			} while (result != B_BAD_SEM_ID);
		} else 
		{
			do 
			{
				// just wait for exit
				result = acquire_sem(sync_sem);
			} while (result != B_BAD_SEM_ID);
		}
#endif
 	
		delete m_pSavePanel;
		delete m_pOpenPanel;

	//Need to sleep on some sort of semaphore here ...
	//UT_cloneString(m_szFinalPathname, "/boot/home/tfletche/junk.abw");		
/*
	if (m_answer == a_OK)
		UT_cloneString(m_szFinalPathname, "junk.abw");		
	m_answer = a_OK;		//vs a_CANCEL 
*/

	}
	return;
}