void
InstallerWindow::_UpdateControls()
{
PartitionMenuItem* srcItem = (PartitionMenuItem*)fSrcMenu->FindMarked();
BString label;
if (srcItem) {
label = srcItem->MenuLabel();
} else {
if (fSrcMenu->CountItems() == 0)
label = TR_CMT("<none>", "No partition available");
else
label = ((PartitionMenuItem*)fSrcMenu->ItemAt(0))->MenuLabel();
}
fSrcMenuField->MenuItem()->SetLabel(label.String());
// Disable any unsuitable target items, check if at least one partition
// is suitable.
bool foundOneSuitableTarget = false;
for (int32 i = fDestMenu->CountItems() - 1; i >= 0; i--) {
PartitionMenuItem* dstItem
= (PartitionMenuItem*)fDestMenu->ItemAt(i);
if (srcItem != NULL && dstItem->ID() == srcItem->ID()) {
// Prevent the user from having picked the same partition as source
// and destination.
dstItem->SetEnabled(false);
dstItem->SetMarked(false);
} else
dstItem->SetEnabled(dstItem->IsValidTarget());
if (dstItem->IsEnabled())
foundOneSuitableTarget = true;
}
PartitionMenuItem* dstItem = (PartitionMenuItem*)fDestMenu->FindMarked();
if (dstItem) {
label = dstItem->MenuLabel();
} else {
if (fDestMenu->CountItems() == 0)
label = TR_CMT("<none>", "No partition available");
else
label = TR("Please choose target");
}
fDestMenuField->MenuItem()->SetLabel(label.String());
if (srcItem && dstItem) {
char message[255];
sprintf(message, TR("Press the Begin button to install from '%1s' "
"onto '%2s'."), srcItem->Name(), dstItem->Name());
_SetStatusMessage(message);
} else if (srcItem) {
_SetStatusMessage(TR("Choose the disk you want to install onto from "
"the pop-up menu. Then click \"Begin\"."));
} else if (dstItem) {
_SetStatusMessage(TR("Choose the source disk from the "
"pop-up menu. Then click \"Begin\"."));
} else {
_SetStatusMessage(TR("Choose the source and destination disk from the "
"pop-up menus. Then click \"Begin\"."));
}
fInstallStatus = kReadyForInstall;
fBeginButton->SetLabel(TR("Begin"));
fBeginButton->SetEnabled(srcItem && dstItem);
// adjust "Write Boot Sector" button
if (dstItem) {
char buffer[256];
snprintf(buffer, sizeof(buffer), TR("Write boot sector to '%s'"),
dstItem->Name());
label = buffer;
} else
label = TR("Write boot sector");
fMakeBootableButton->SetEnabled(dstItem);
fMakeBootableButton->SetLabel(label.String());
if (!fEncouragedToSetupPartitions && !foundOneSuitableTarget) {
// Focus the users attention on the DriveSetup button
fEncouragedToSetupPartitions = true;
PostMessage(ENCOURAGE_DRIVESETUP);
}
}
