void InfoManage::on_newButton_clicked()
{
Item *item = new Item();
item->name = ui->namelineEdit->text();
item->type = ui->typelineEdit->text();
item->barcode = ui->barcodelineEdit->text();
item->price = ui->pricelineEdit->text().toDouble();
item->measurement = ui->measurelineEdit->text();
item->cost = ui->costlineEdit->text().toDouble();
item->amount = ui->countlineEdit->text().toDouble();
item->comment = ui->commentlineEdit->text();
if(item->comment.isEmpty())
item->comment = "none";
if(!correctBarcode(item->barcode)){
QMessageBox::warning(this, tr("NEW Warning"),
tr("barcode not correct!")
);
return;
}
if(finditem(item->barcode,itemlist)!=itemlist.end()){
QMessageBox::warning(this, tr("NEW Warning"),
tr("already existed!")
);
return;
}
ui->tableWidget->insertRow(itemlist.size());
itemlist.push_back(*item);
showitem(itemlist);
}
void InfoManage::loadFile(const QString &fileName)
//! [42] //! [43]
{
QFile file(fileName);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
QMessageBox::warning(this, tr("Application"),tr("Cannot read file %1:\n%2.").arg(fileName).arg(file.errorString()));
return;
}
QTextStream in(&file);
#ifndef QT_NO_CURSOR
QApplication::setOverrideCursor(Qt::WaitCursor);
#endif
//ui->textEdit->setPlainText(in.readAll());
itemlist.clear();
for(int i=ui->tableWidget->rowCount()-1;i>=0;i--){
ui->tableWidget->removeRow(i);
}
Item item;
int i=0;
while(!in.atEnd()){
in>>item.name>>item.type>>item.barcode>>item.price>>item.measurement>>item.cost>>item.amount>>item.comment;
itemlist.push_back(item);
ui->tableWidget->insertRow(i);
i++;
}
showitem(itemlist);
for(int j=0;j<8;j++){
ui->tableWidget->resizeColumnToContents (j);
}
#ifndef QT_NO_CURSOR
QApplication::restoreOverrideCursor();
#endif
setCurrentFile(fileName);
statusBar()->showMessage(tr("File loaded"), 2000);
}
void showmenu(struct MENU *menu)
{
struct ITEM *itemptr; /* points to each item in turn */
int ctr = 1; /* counts each item */
wbkgd(menu->menuwin, BOXATTR);
#if 0
wattrset(menu->menuwin, BOXATTR); /* set to bg+/b */
colorwin(menu->menuwin); /* color window */
#endif
box(menu->menuwin, ACS_VLINE, ACS_HLINE); /* draw border */
itemptr = menu->itemlist; /* point to start */
wattrset(menu->menuwin, STDATTR);
if (strlen(menu->desc) > 0)
mvwprintw(menu->menuwin, 0, 2, " %s ", menu->desc);
do { /* display items */
wmove(menu->menuwin, ctr, 1);
showitem(menu, itemptr, NOTSELECTED); /* show items, initially unselected */
ctr++;
itemptr = itemptr->next;
} while (ctr <= menu->itemcount);
update_panels();
doupdate();
}
void dumpInternalState( a_state *x )
{
a_parent *parent;
a_shift_action *tx;
a_reduce_action *rx;
size_t col, new_col;
set_size *mp;
an_item **item;
printf( "state %d: %p (%u)\n", x->sidx, x, x->kersize );
printf( " parent states:" );
col = 4;
for( parent = x->parents; parent != NULL; parent = parent->next ) {
printf( " %d(%p)", parent->state->sidx, parent->state );
--col;
if( col == 0 ) {
printf( "\n" );
col = 5;
}
}
printf( "\n" );
for( item = x->items; *item != NULL; ++item ) {
showitem( *item, " ." );
}
printf( "actions:" );
col = 8;
for( tx = x->trans; tx->sym != NULL; ++tx ) {
new_col = col + 1 + strlen( tx->sym->name ) + 1 + 1 + 3;
if( new_col > 79 ) {
putchar('\n');
new_col -= col;
}
col = new_col;
printf( " %s:s%03d", tx->sym->name, tx->state->sidx );
}
putchar( '\n' );
col = 0;
for( rx = x->redun; rx->pro != NULL; ++rx ) {
for( mp = Members( rx->follow ); mp != setmembers; ) {
--mp;
new_col = col + 1 + strlen( symtab[*mp]->name );
if( new_col > 79 ) {
putchar('\n');
new_col -= col;
}
col = new_col;
printf( " %s", symtab[*mp]->name );
}
new_col = col + 1 + 5;
if( new_col > 79 ) {
putchar('\n');
new_col -= col;
}
col = new_col;
printf( ":r%03d", rx->pro->pidx );
}
putchar( '\n' );
}
void InfoManage::on_clearButton_clicked()
{
ui->namelineEdit->clear();
ui->typelineEdit->clear();
ui->barcodelineEdit->clear();
ui->countlineEdit->clear();
ui->pricelineEdit->clear();
ui->measurelineEdit->clear();
ui->costlineEdit->clear();
ui->commentlineEdit->clear();
showitem(itemlist);
}
void InfoManage::on_addButton_clicked()
{
QString barcode = ui->barcodelineEdit->text();
double count = ui->countlineEdit->text().toDouble();
if(!correctBarcode(barcode)){
QMessageBox::warning(this, tr("ADD Warning"),
tr("barcode not correct!")
);
return;
}
std::vector<Item>::iterator p = finditem(barcode,itemlist);
if(p==itemlist.end()){
QMessageBox::warning(this, tr("ADD Warning"),
tr("not found!")
);
return;
}
p->amount += count;
showitem(itemlist);
}
void InfoManage::on_searchButton_clicked()
{
QString name = ui->namelineEdit->text();
QString type = ui->typelineEdit->text();
QString barcode = ui->barcodelineEdit->text();
std::vector<Item> ilist;
if(!barcode.isEmpty()){
if(finditem(barcode,ilist)==ilist.end()){
QMessageBox::warning(this, tr("Application"),tr("Incorrect Barcode!"));//deal with the error when finding fails
return;
}
ilist.push_back(*finditem(barcode,itemlist));
}
else{
if(!name.isEmpty()){
std::vector<Item>::iterator p;
for(p=itemlist.begin();p<itemlist.end();p++){
if(p->name==name){
if(!type.isEmpty()){
if(p->type==type)
ilist.push_back(*p);
}
else
ilist.push_back(*p);
}
}
}
else{
std::vector<Item>::iterator p;
for(p=itemlist.begin();p<itemlist.end();p++){
if(p->type==type){
ilist.push_back(*p);
}
}
}
}
showitem(ilist);
}
static void resolve( a_state *x, set_size *work, a_reduce_action **reduce )
{
a_shift_action *tx, *ux;
a_reduce_action *rx;
set_size *w;
set_size *mp;
index_n i;
a_prec symprec, proprec, prevprec;
w = work;
for( rx = x->redun; rx->pro != NULL; ++rx ) {
for( mp = Members( rx->follow ); mp != setmembers; ) {
--mp;
if( reduce[*mp] != NULL ) {
prevprec = reduce[*mp]->pro->prec;
proprec = rx->pro->prec;
if( prevprec.prec == 0 || proprec.prec == 0 || prevprec.prec == proprec.prec ) {
*w++ = *mp;
/* resolve to the earliest production */
if( rx->pro->pidx >= reduce[*mp]->pro->pidx ) {
continue;
}
} else if( prevprec.prec > proprec.prec ) {
/* previous rule had higher precedence so leave it alone */
continue;
}
}
reduce[*mp] = rx;
}
}
while( w != work ) {
--w;
if( symtab[*w]->token == errsym->token )
continue;
printf( "r/r conflict in state %d on %s:\n", x->sidx, symtab[*w]->name);
++RR_conflicts;
for( rx = x->redun; rx->pro != NULL; ++rx ) {
if( IsBitSet( rx->follow, *w ) ) {
showitem( rx->pro->items, "" );
}
}
printf( "\n" );
for( rx = x->redun; rx->pro != NULL; ++rx ) {
if( IsBitSet( rx->follow, *w ) ) {
ShowSentence( x, symtab[*w], rx->pro, NULL );
}
}
printf( "---\n\n" );
}
ux = x->trans;
for( tx = ux; tx->sym != NULL; ++tx ) {
i = tx->sym->idx;
if( i >= nterm || reduce[i] == NULL ) {
*ux++ = *tx;
} else {
/* shift/reduce conflict detected */
check_for_user_hooks( x, tx, reduce[i]->pro->pidx );
symprec = tx->sym->prec;
proprec = reduce[i]->pro->prec;
if( symprec.prec == 0 || proprec.prec == 0 ) {
if( tx->sym != errsym ) {
printf( "s/r conflict in state %d on %s:\n", x->sidx, tx->sym->name );
++SR_conflicts;
printf( "\tshift to %d\n", tx->state->sidx );
showitem( reduce[i]->pro->items, "" );
printf( "\n" );
ShowSentence( x, tx->sym, reduce[i]->pro, NULL );
ShowSentence( x, tx->sym, NULL, tx->state );
printf( "---\n\n" );
}
*ux++ = *tx;
reduce[i] = NULL;
} else {
if( symprec.prec > proprec.prec ) {
*ux++ = *tx;
reduce[i] = NULL;
} else if( symprec.prec == proprec.prec ) {
if( symprec.assoc == R_ASSOC ) {
*ux++ = *tx;
reduce[i] = NULL;
} else if( symprec.assoc == NON_ASSOC ) {
ux->sym = tx->sym;
ux->state = errstate;
++ux;
reduce[i] = NULL;
}
}
}
}
}
ux->sym = NULL;
for( rx = x->redun; rx->pro != NULL; ++rx ) {
Clear( rx->follow );
}
for( i = 0; i < nterm; ++i ) {
if( reduce[i] != NULL ) {
SetBit( reduce[i]->follow, i );
reduce[i] = NULL;
}
}
}
void operatemenu(struct MENU *menu, int *position, int *aborted)
{
struct ITEM *itemptr;
int row = *position;
int exitloop = 0;
int ch;
char *keyptr;
menukeyhelp();
*aborted = 0;
menumoveto(menu, &itemptr, row);
menu->descwin = newwin(1, COLS, LINES - 2, 0);
menu->descpanel = new_panel(menu->descwin);
do {
wmove(menu->menuwin, row, 1);
showitem(menu, itemptr, SELECTED);
/*
* Print item description
*/
wattrset(menu->descwin, DESCATTR);
colorwin(menu->descwin);
wmove(menu->descwin, 0, 0);
wprintw(menu->descwin, " %s", itemptr->desc);
update_panels();
doupdate();
wmove(menu->menuwin, row, 2);
ch = wgetch(menu->menuwin);
wmove(menu->menuwin, row, 1);
showitem(menu, itemptr, NOTSELECTED);
switch (ch) {
case KEY_UP:
if (row == 1)
row = menu->itemcount;
else
row--;
itemptr = itemptr->prev;
if (itemptr->itemtype == SEPARATOR) {
row--;
itemptr = itemptr->prev;
}
break;
case KEY_DOWN:
if (row == menu->itemcount)
row = 1;
else
row++;
itemptr = itemptr->next;
if (itemptr->itemtype == SEPARATOR) {
row++;
itemptr = itemptr->next;
}
break;
case 12:
refresh_screen();
break;
case 13:
exitloop = 1;
break;
/* case 27: exitloop = 1;*aborted = 1;row=menu->itemcount;break; */
case '^':
break; /* ignore caret key */
default:
keyptr = strchr(menu->shortcuts, toupper(ch));
if ((keyptr != NULL)
&& keyptr - menu->shortcuts < menu->itemcount) {
row = keyptr - menu->shortcuts + 1;
exitloop = 1;
}
}
} while (!(exitloop));
*position = row; /* position of executed option is in *position */
del_panel(menu->descpanel);
delwin(menu->descwin);
update_panels();
doupdate();
}
