#include "Header.h"
#include "RecentFiles.h"


RecentFiles::RecentFiles()
{
    hMenu = NULL;
    for (int i = 0; i <= MruCount; i++)
        Items[i] = 0;
}

RecentFiles::~RecentFiles()
{
    if (hMenu != NULL)
        DestroyMenu(hMenu);
}

HMENU RecentFiles::GetMenu()
{
    if (hMenu != NULL)
        DestroyMenu(hMenu);

	hMenu = CreatePopupMenu();
	if (Items[0] == NULL)
		AppendMenu(hMenu, MF_STRING | MF_GRAYED, 0, "(No recently loaded files)");
	else
	{
		for (int i = 0; Items[i] != NULL; i++)
			AppendMenu(hMenu, MF_STRING, i, Items[i]);
	}
	return hMenu;
}

// Return NULL if the recent file is not in the list
LPCTSTR RecentFiles::Get(int Id)
{
	return NULL;
}

LPCTSTR RecentFiles::Last()
{
	return Items[0];
}

void RecentFiles::Add(LPCTSTR Item)
{
    // if its already in the list move it to the top
    // if its not, add it at the top
    bool Found;

    // remove from the list if its already there
    Found = false;
    for (int i = 0; Items[i] != NULL; i++)
	{
		Found = Found || (stricmp(Items[i], Item) == 0);
		if (Found)
			Items[i] = Items[i+1]; //rely on trailing NULL
    }

    // if the last entry would die, kill it now
    if (Items[MruCount-1] != NULL)
		free(Items[MruCount-1]);

    // shift everything along by one
    for (i = MruCount-1; i > 0; i--)
		Items[i] = Items[i-1];

    // and put the new file at the top
    Items[0] = strdup(Item);
}


/*
LPSTR MruGetItem(int i)
{
    return MruBuffer[i];
}

void ShowMruMenu()
{
    int n, i;
    //first count the MRU list
    for (n = 0; MruBuffer[n] != NULL; n++)
	; // no code required

    //add enough entries
    for (i = MenusShown; i < n; i++)
	AppendMenu(hMenu, MF_STRING, ID_MRU+i, MruBuffer[i]);
    MenusShown = (n == 0 ? 1 : n);

    //then change them
    for (i = 0; i < n; i++)
	ModifyMenu(hMenu, ID_MRU+i, MF_BYCOMMAND, ID_MRU+i, MruBuffer[i]);
}

// Hook into WinHugs for Hugs
void WinHugsAddMruFile(const char* file)
{
    // if its already in the list move it to the top
    // if its not, add it at the top
    int i;
    BOOL Found;

    // remove from the list if its already there
    Found = FALSE;
    for (i = 0; MruBuffer[i] != NULL; i++) {
	Found = Found || (stricmp(MruBuffer[i], file) == 0);
	if (Found)
	    MruBuffer[i] = MruBuffer[i+1]; //rely on trailing NULL
    }

    // if the last entry would die, kill it now
    if (MruBuffer[MruCount-1] != NULL)
	free(MruBuffer[MruCount-1]);

    // shift everything along by one
    for (i = MruCount-1; i > 0; i--)
	MruBuffer[i] = MruBuffer[i-1];

    // and put the new file at the top
    MruBuffer[0] = strdup(file);
}
*/