bool UIListViewTest_Vertical::init()
{
if (UIScene::init())
{
Size widgetSize = _widget->getSize();
_displayValueLabel = Text::create("Move by vertical direction", "fonts/Marker Felt.ttf", 32);
_displayValueLabel->setAnchorPoint(Point(0.5f, -1.0f));
_displayValueLabel->setPosition(Point(widgetSize.width / 2.0f,
widgetSize.height / 2.0f + _displayValueLabel->getContentSize().height * 1.5f));
_uiLayer->addChild(_displayValueLabel);
Text* alert = Text::create("ListView vertical", "fonts/Marker Felt.ttf", 30);
alert->setColor(Color3B(159, 168, 176));
alert->setPosition(Point(widgetSize.width / 2.0f,
widgetSize.height / 2.0f - alert->getSize().height * 3.075f));
_uiLayer->addChild(alert);
Layout* root = static_cast<Layout*>(_uiLayer->getChildByTag(81));
Layout* background = dynamic_cast<Layout*>(root->getChildByName("background_Panel"));
Size backgroundSize = background->getContentSize();
// create list view ex data
_array = Array::create();
CC_SAFE_RETAIN(_array);
for (int i = 0; i < 20; ++i)
{
__String* ccstr = __String::createWithFormat("listview_item_%d", i);
_array->addObject(ccstr);
}
// Create the list view ex
ListView* listView = ListView::create();
// set list view ex direction
listView->setDirection(SCROLLVIEW_DIR_VERTICAL);
listView->setTouchEnabled(true);
listView->setBounceEnabled(true);
listView->setBackGroundImage("cocosui/green_edit.png");
listView->setBackGroundImageScale9Enabled(true);
listView->setSize(Size(240, 130));
listView->setPosition(Point((widgetSize.width - backgroundSize.width) / 2.0f +
(backgroundSize.width - listView->getSize().width) / 2.0f,
(widgetSize.height - backgroundSize.height) / 2.0f +
(backgroundSize.height - listView->getSize().height) / 2.0f));
listView->addEventListenerListView(this, listvieweventselector(UIListViewTest_Vertical::selectedItemEvent));
_uiLayer->addChild(listView);
// create model
Button* default_button = Button::create("cocosui/backtotoppressed.png", "cocosui/backtotopnormal.png");
default_button->setName("Title Button");
Layout* default_item = Layout::create();
default_item->setTouchEnabled(true);
default_item->setSize(default_button->getSize());
default_button->setPosition(Point(default_item->getSize().width / 2.0f,
default_item->getSize().height / 2.0f));
default_item->addChild(default_button);
// set model
listView->setItemModel(default_item);
// add default item
ssize_t count = _array->count();
for (int i = 0; i < count / 4; ++i)
{
listView->pushBackDefaultItem();
}
// insert default item
for (int i = 0; i < count / 4; ++i)
{
listView->insertDefaultItem(0);
}
// add custom item
for (int i = 0; i < count / 4; ++i)
{
Button* custom_button = Button::create("cocosui/button.png", "cocosui/buttonHighlighted.png");
custom_button->setName("Title Button");
custom_button->setScale9Enabled(true);
custom_button->setSize(default_button->getSize());
Layout *custom_item = Layout::create();
custom_item->setSize(custom_button->getSize());
custom_button->setPosition(Point(custom_item->getSize().width / 2.0f, custom_item->getSize().height / 2.0f));
custom_item->addChild(custom_button);
listView->pushBackCustomItem(custom_item);
}
// insert custom item
Vector<Widget*>& items = listView->getItems();
ssize_t items_count = items.size();
for (int i = 0; i < count / 4; ++i)
{
Button* custom_button = Button::create("cocosui/button.png", "cocosui/buttonHighlighted.png");
custom_button->setName("Title Button");
custom_button->setScale9Enabled(true);
custom_button->setSize(default_button->getSize());
Layout *custom_item = Layout::create();
custom_item->setSize(custom_button->getSize());
custom_button->setPosition(Point(custom_item->getSize().width / 2.0f, custom_item->getSize().height / 2.0f));
custom_item->addChild(custom_button);
listView->insertCustomItem(custom_item, items_count);
}
// set item data
items_count = items.size();
for (int i = 0; i < items_count; ++i)
{
Widget* item = listView->getItem(i);
Button* button = static_cast<Button*>(item->getChildByName("Title Button"));
ssize_t index = listView->getIndex(item);
button->setTitleText(static_cast<__String*>(_array->getObjectAtIndex(index))->getCString());
}
// remove last item
listView->removeLastItem();
// remove item by index
items_count = items.size();
listView->removeItem(items_count - 1);
// set all items layout gravity
listView->setGravity(LISTVIEW_GRAVITY_CENTER_VERTICAL);
// set items margin
listView->setItemsMargin(2.0f);
return true;
}
return false;
}
