void ComboBox::changeItemText (const int itemId, const String& newText)
{
if (ItemInfo* const item = getItemForId (itemId))
item->name = newText;
else
jassertfalse;
}
void ComboBox::setItemEnabled (const int itemId, const bool shouldBeEnabled)
{
ItemInfo* const item = getItemForId (itemId);
if (item != nullptr)
item->isEnabled = shouldBeEnabled;
}
//==============================================================================
void ComboBox::addItem (const String& newItemText,
const int newItemId) throw()
{
// you can't add empty strings to the list..
jassert (newItemText.isNotEmpty());
// IDs must be non-zero, as zero is used to indicate a lack of selecion.
jassert (newItemId != 0);
// you shouldn't use duplicate item IDs!
jassert (getItemForId (newItemId) == 0);
if (newItemText.isNotEmpty() && newItemId != 0)
{
if (separatorPending)
{
separatorPending = false;
ItemInfo* const item = new ItemInfo();
item->itemId = 0;
item->isEnabled = false;
item->isHeading = false;
items.add (item);
}
ItemInfo* const item = new ItemInfo();
item->name = newItemText;
item->itemId = newItemId;
item->isEnabled = true;
item->isHeading = false;
items.add (item);
}
}
int ComboBox::getSelectedId() const throw()
{
const ItemInfo* const item = getItemForId (currentId.getValue());
return (item != 0 && getText() == item->name)
? item->itemId
: 0;
}
void ComboBox::changeItemText (const int itemId, const String& newText)
{
ItemInfo* const item = getItemForId (itemId);
jassert (item != nullptr);
if (item != nullptr)
item->name = newText;
}
void ComboBox::setSelectedId (const int newItemId, const NotificationType notification)
{
const ItemInfo* const item = getItemForId (newItemId);
const String newItemText (item != nullptr ? item->name : String::empty);
if (lastCurrentId != newItemId || label->getText() != newItemText)
{
label->setText (newItemText, dontSendNotification);
lastCurrentId = newItemId;
currentId = newItemId;
repaint(); // for the benefit of the 'none selected' text
sendChange (notification);
}
}
void ComboBox::setSelectedId (const int newItemId, const bool dontSendChangeMessage)
{
const ItemInfo* const item = getItemForId (newItemId);
const String newItemText (item != nullptr ? item->name : String::empty);
if (lastCurrentId != newItemId || label->getText() != newItemText)
{
if (! dontSendChangeMessage)
triggerAsyncUpdate();
label->setText (newItemText, false);
lastCurrentId = newItemId;
currentId = newItemId;
repaint(); // for the benefit of the 'none selected' text
}
}
//==============================================================================
void ComboBox::addItem (const String& newItemText, const int newItemId)
{
// you can't add empty strings to the list..
jassert (newItemText.isNotEmpty());
// IDs must be non-zero, as zero is used to indicate a lack of selecion.
jassert (newItemId != 0);
// you shouldn't use duplicate item IDs!
jassert (getItemForId (newItemId) == nullptr);
if (newItemText.isNotEmpty() && newItemId != 0)
{
if (separatorPending)
{
separatorPending = false;
items.add (new ItemInfo (String::empty, 0, false, false));
}
items.add (new ItemInfo (newItemText, newItemId, true, false));
}
}
int ComboBox::getSelectedId() const noexcept
{
const ItemInfo* const item = getItemForId (currentId.getValue());
return (item != nullptr && getText() == item->name) ? item->itemId : 0;
}
bool ComboBox::isItemEnabled (int itemId) const noexcept
{
const ItemInfo* const item = getItemForId (itemId);
return item != nullptr && item->isEnabled;
}
void ComboBox::setItemEnabled (const int itemId, const bool shouldBeEnabled)
{
if (ItemInfo* const item = getItemForId (itemId))
item->isEnabled = shouldBeEnabled;
}
