/// <summary>
/// We want to receive drag events from the thumb.
/// </summary>
void Start()
{
if (foreground != null)
{
mWidget = foreground.GetComponent <UIWidget>();
mSprite = (mWidget != null) ? mWidget as UIFilledSprite : null;
mForeTrans = foreground.transform;
if (fullSize == Vector2.zero)
{
fullSize = foreground.localScale;
}
}
else if (mCol != null)
{
if (fullSize == Vector2.zero)
{
fullSize = mCol.size;
}
}
else
{
Debug.LogWarning("UISlider expected to find a foreground object or a box collider to work with", this);
}
if (Application.isPlaying && thumb != null && thumb.collider != null)
{
UIEventListener listener = UIEventListener.Add(thumb.gameObject);
listener.onPress += OnPressThumb;
listener.onDrag += OnDragThumb;
}
Set(rawValue);
}
/// <summary>
/// We want to receive drag events from the thumb.
/// </summary>
///
///
void Start()
{
if (Application.isPlaying && thumb != null && thumb.GetComponent <Collider>() != null)
{
UIEventListener listener = UIEventListener.Add(thumb.gameObject);
listener.onPress += OnPressThumb;
listener.onDrag += OnDragThumb;
}
Set(rawValue);
}
/// <summary>
/// Load and set the state of the checkboxes.
/// </summary>
void OnEnable()
{
string s = PlayerPrefs.GetString("NGUI State: " + name);
if (!string.IsNullOrEmpty(s))
{
UICheckbox[] checkboxes = GetComponentsInChildren <UICheckbox>();
foreach (UICheckbox ch in checkboxes)
{
UIEventListener.Add(ch.gameObject).onClick -= Save;
ch.isChecked = (ch.name == s);
UIEventListener.Add(ch.gameObject).onClick += Save;
}
}
}
/// <summary>
/// Display the drop-down list when the game object gets clicked on.
/// </summary>
void OnClick()
{
if (mChild == null && atlas != null && font != null && items.Count > 1)
{
mLabelList.Clear();
// Disable the navigation script
handleEvents = true;
// Automatically locate the panel responsible for this object
if (mPanel == null)
{
mPanel = UIPanel.Find(transform, true);
}
// Calculate the dimensions of the object triggering the popup list so we can position it below it
Transform myTrans = transform;
Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(myTrans.parent, myTrans);
// Create the root object for the list
mChild = new GameObject("Drop-down List");
mChild.layer = gameObject.layer;
Transform t = mChild.transform;
t.parent = myTrans.parent;
t.localPosition = bounds.min;
t.localRotation = Quaternion.identity;
t.localScale = Vector3.one;
// Add a sprite for the background
UISprite background = NGUITools.AddSprite(mChild, atlas, backgroundSprite);
background.pivot = UIWidget.Pivot.TopLeft;
background.depth = NGUITools.CalculateNextDepth(mPanel.gameObject);
background.color = backgroundColor;
// Add a sprite used for the selection
mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite);
mHighlight.pivot = UIWidget.Pivot.TopLeft;
mHighlight.color = highlightColor;
float fontScale = textLabel.FontSize * textScale;
float x = 0f, y = -padding.y;
List <UILabel> labels = new List <UILabel>();
// Run through all items and create labels for each one
foreach (string s in items)
{
UILabel lbl = NGUITools.AddWidget <UILabel>(mChild);
lbl.pivot = UIWidget.Pivot.TopLeft;
lbl.font = font;
lbl.text = (isLocalized && Localization.instance != null) ? Localization.instance.Get(s) : s;
lbl.color = textColor;
lbl.cachedTransform.localPosition = new Vector3(padding.x, y, 0f);
lbl.MakePixelPerfect();
if (textScale != 1f)
{
Vector3 scale = lbl.cachedTransform.localScale;
lbl.cachedTransform.localScale = scale * textScale;
}
labels.Add(lbl);
y -= fontScale;
x = Mathf.Max(x, lbl.relativeSize.x * fontScale);
// Add an event listener
UIEventListener listener = UIEventListener.Add(lbl.gameObject);
listener.onHover = OnItemHover;
listener.onPress = OnItemPress;
listener.parameter = s;
// Move the selection here if this is the right label
if (mSelectedItem == s)
{
Highlight(lbl, true);
}
// Add this label to the list
mLabelList.Add(lbl);
}
// The triggering widget's width should be the minimum allowed width
x = Mathf.Max(x, bounds.size.x - padding.x * 2f);
// Run through all labels and add colliders
foreach (UILabel lbl in labels)
{
BoxCollider bc = NGUITools.AddWidgetCollider(lbl.gameObject);
bc.center = new Vector3((x * 0.5f) / fontScale, -0.5f, bc.center.z);
bc.size = new Vector3(x / fontScale, 1f, 1f);
}
x += padding.x * 2f;
y -= padding.y;
// Scale the background sprite to envelop the entire set of items
background.cachedTransform.localScale = new Vector3(x, -y, 1f);
// Scale the highlight sprite to envelop a single item
mHighlight.cachedTransform.localScale = new Vector3(x, fontScale + padding.y * 2f, 1f);
bool placeAbove = (position == Position.Above);
if (position == Position.Auto)
{
UICamera cam = UICamera.FindCameraForLayer(gameObject.layer);
if (cam != null)
{
Vector3 viewPos = cam.cachedCamera.WorldToViewportPoint(myTrans.position);
placeAbove = (viewPos.y < 0.5f);
}
}
// If the list should be animated, let's animate it by expanding it
if (isAnimated)
{
float bottom = y + fontScale;
Animate(mHighlight, placeAbove, bottom);
foreach (UILabel lbl in labels)
{
Animate(lbl, placeAbove, bottom);
}
AnimateColor(background);
AnimateScale(background, placeAbove, bottom);
}
// If we need to place the popup list above the item, we need to reposition everything by the size of the list
if (placeAbove)
{
t.localPosition = new Vector3(bounds.min.x, bounds.max.y - y, bounds.min.z);
}
}
else
{
OnSelect(false);
}
}
