// Change the value and hide the dropdown.
private void OnSelectItem(PreciseManeuverDropdownItem item)
{
if (!item.Toggle.isOn)
{
item.Toggle.isOn = true;
}
Value = item.Index;
Hide();
}
private void setChooserOption(PreciseManeuverDropdownItem item)
{
if (item.index == 0)
{
m_saverControl.replaceTextComponentWithTMPro(item.GetComponentInChildren <Text> ())?.Invoke(m_saverControl.newPresetLocalized);
}
else
{
m_saverControl.replaceTextComponentWithTMPro(item.GetComponentInChildren <Text> ())?.Invoke(presetCache[item.index - 1]);
}
}
private void SetChooserOption(PreciseManeuverDropdownItem item)
{
if (!(item is PreciseManeuverPagerItem))
{
return;
}
var pageritem = item as PreciseManeuverPagerItem;
m_Control.ReplaceTextComponentWithTMPro(pageritem.NodeIdx.GetComponent <Text> ())?.
Invoke(m_Control.getLocalizedNodeln(pageritem.Index + 1));
m_Control.ReplaceTextComponentWithTMPro(pageritem.NodeTime.GetComponent <Text> ())?.
Invoke(m_Control.getManeuverTime(pageritem.Index));
m_Control.ReplaceTextComponentWithTMPro(pageritem.NodedV.GetComponent <Text> ())?.
Invoke(m_Control.getManeuverDV(pageritem.Index));
m_Control.ReplaceTextComponentWithTMPro(pageritem.dVLabel.GetComponent <Text> ());
}
private void setChooserOption(PreciseManeuverDropdownItem item)
{
if (!(item is PreciseManeuverPagerItem))
{
return;
}
var pageritem = item as PreciseManeuverPagerItem;
m_pagerControl.replaceTextComponentWithTMPro(pageritem.nodeidx.GetComponent <Text> ())?.
Invoke(m_pagerControl.getManeuverNodeLocalized() + "\n" + (pageritem.index + 1).ToString());
m_pagerControl.replaceTextComponentWithTMPro(pageritem.nodetime.GetComponent <Text> ())?.
Invoke(m_pagerControl.getManeuverTime(pageritem.index));
m_pagerControl.replaceTextComponentWithTMPro(pageritem.nodedv.GetComponent <Text> ())?.
Invoke(m_pagerControl.getManeuverDV(pageritem.index));
m_pagerControl.replaceTextComponentWithTMPro(pageritem.dvlabel.GetComponent <Text> ());
}
private PreciseManeuverDropdownItem AddItem(bool selected, PreciseManeuverDropdownItem itemTemplate, int index)
{
PreciseManeuverDropdownItem item = CreateItem(itemTemplate);
item.rectTransform.SetParent(itemTemplate.rectTransform.parent, false);
item.gameObject.name = "Item " + index;
item.Index = index;
if (item.Toggle != null)
{
item.Toggle.isOn = false;
}
UpdateDropdownOption?.Invoke(item);
item.gameObject.SetActive(true);
return(item);
}
private PreciseManeuverDropdownItem AddItem(int index, PreciseManeuverDropdownItem itemTemplate)
{
GameObject go = Instantiate(itemTemplate.gameObject);
PreciseManeuverDropdownItem item = go.GetComponent <PreciseManeuverDropdownItem> ();
go.name = gameObject.name + " item " + index.ToString();
item.Index = index;
var layout = GetOrAddComponent <LayoutElement> (go);
layout.preferredHeight = (go.transform as RectTransform).rect.height;
if (item.Toggle != null)
{
item.Toggle.isOn = false;
}
UpdateDropdownOption?.Invoke(item);
go.transform.SetParent(itemTemplate.transform.parent, false);
go.SetActive(true);
return(item);
}
public void Show()
{
if (!IsActive() || !IsInteractable() || m_Dropdown != null || UpdateDropdownOption == null)
{
return;
}
if (!validTemplate)
{
SetupTemplate();
if (!validTemplate)
{
return;
}
}
m_Template.gameObject.SetActive(true);
// Instantiate the drop-down template
m_Dropdown = Instantiate(Template.gameObject);
m_Dropdown.name = "Dropdown List";
m_Dropdown.SetActive(true);
RectTransform dropdownRectTransform = m_Dropdown.transform as RectTransform;
dropdownRectTransform.SetParent(Template.parent, false);
var layout = GetOrAddComponent <VerticalLayoutGroup> (m_Dropdown);
layout.childForceExpandHeight = false;
layout.childForceExpandWidth = true;
var fitter = GetOrAddComponent <ContentSizeFitter> (m_Dropdown);
fitter.horizontalFit = ContentSizeFitter.FitMode.Unconstrained;
fitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
PreciseManeuverDropdownItem itemPrefab = m_Dropdown.GetComponentInChildren <PreciseManeuverDropdownItem> ();
itemPrefab.gameObject.SetActive(true);
Toggle prev = null;
for (int i = 0; i < OptionCount; ++i)
{
PreciseManeuverDropdownItem item = AddItem(i, itemPrefab);
if (item == null)
{
continue;
}
// Automatically set up a toggle state change listener
item.Toggle.isOn = (Value == i);
item.Toggle.onValueChanged.AddListener(x => OnSelectItem(item.Index));
// Select current option
if (item.Toggle.isOn)
{
item.Toggle.Select();
}
// Automatically set up explicit navigation
if (prev != null)
{
Navigation prevNav = prev.navigation;
Navigation toggleNav = item.Toggle.navigation;
prevNav.mode = Navigation.Mode.Explicit;
toggleNav.mode = Navigation.Mode.Explicit;
prevNav.selectOnDown = item.Toggle;
prevNav.selectOnRight = item.Toggle;
toggleNav.selectOnLeft = prev;
toggleNav.selectOnUp = prev;
prev.navigation = prevNav;
item.Toggle.navigation = toggleNav;
}
prev = item.Toggle;
}
// Invert anchoring and position if dropdown is partially or fully outside of canvas rect.
// Typically this will have the effect of placing the dropdown above the button instead of below,
// but it works as inversion regardless of initial setup.
Vector3[] corners = new Vector3[4];
dropdownRectTransform.GetWorldCorners(corners);
bool outside = false;
RectTransform rootCanvasRectTransform = m_RootCanvas.transform as RectTransform;
for (int i = 0; i < 4; i++)
{
Vector3 corner = rootCanvasRectTransform.InverseTransformPoint(corners[i]);
if (!rootCanvasRectTransform.rect.Contains(corner))
{
outside = true;
break;
}
}
if (outside)
{
RectTransformUtility.FlipLayoutOnAxis(dropdownRectTransform, 0, false, false);
RectTransformUtility.FlipLayoutOnAxis(dropdownRectTransform, 1, false, false);
}
// Fade in the popup
SetAlpha(0f);
AlphaFadeList(0.15f, 1f);
// Make drop-down template and item template inactive
Template.gameObject.SetActive(false);
itemPrefab.gameObject.SetActive(false);
Destroy(itemPrefab);
m_Blocker = CreateBlocker(m_RootCanvas);
}
protected virtual void DestroyItem(PreciseManeuverDropdownItem item)
{
}
protected virtual PreciseManeuverDropdownItem CreateItem(PreciseManeuverDropdownItem itemTemplate)
{
return((PreciseManeuverDropdownItem)Instantiate(itemTemplate));
}
public void Show()
{
if (!IsActive() || !IsInteractable() || m_Dropdown != null)
{
return;
}
// Get root Canvas.
var list = gameObject.GetComponentsInParent <Canvas> (false);
Canvas rootCanvas = list.LastOrDefault(c => c.isRootCanvas) ?? list.LastOrDefault();
if (rootCanvas == null)
{
return;
}
if (!validTemplate)
{
SetupTemplate();
if (!validTemplate)
{
return;
}
}
m_Template.gameObject.SetActive(true);
// popupCanvas used to assume the root canvas had the default sorting Layer, next line fixes (case 958281 - [UI] Dropdown list does not copy the parent canvas layer when the panel is opened)
m_Template.GetComponent <Canvas> ().sortingLayerID = rootCanvas.sortingLayerID;
// Instantiate the drop-down template
m_Dropdown = CreateDropdownList(m_Template.gameObject);
m_Dropdown.name = "Dropdown List";
m_Dropdown.SetActive(true);
// Make drop-down RectTransform have same values as original.
RectTransform dropdownRectTransform = m_Dropdown.transform as RectTransform;
dropdownRectTransform.SetParent(m_Template.transform.parent, false);
// Instantiate the drop-down list items
// Find the dropdown item and disable it.
PreciseManeuverDropdownItem itemTemplate = m_Dropdown.GetComponentInChildren <PreciseManeuverDropdownItem>();
GameObject content = itemTemplate.rectTransform.parent.gameObject;
RectTransform contentRectTransform = content.transform as RectTransform;
itemTemplate.rectTransform.gameObject.SetActive(true);
// Get the rects of the dropdown and item
Rect dropdownContentRect = contentRectTransform.rect;
Rect itemTemplateRect = itemTemplate.rectTransform.rect;
// Calculate the visual offset between the item's edges and the background's edges
Vector2 offsetMin = itemTemplateRect.min - dropdownContentRect.min + (Vector2)itemTemplate.rectTransform.localPosition;
Vector2 offsetMax = itemTemplateRect.max - dropdownContentRect.max + (Vector2)itemTemplate.rectTransform.localPosition;
Vector2 itemSize = itemTemplateRect.size;
m_Items.Clear();
Toggle prev = null;
for (int i = 0; i < OptionsCount; ++i)
{
PreciseManeuverDropdownItem item = AddItem(Value == i, itemTemplate, m_Items.Count);
if (item == null)
{
continue;
}
// Automatically set up a toggle state change listener
item.Toggle.isOn = Value == i;
item.Toggle.onValueChanged.AddListener(x => OnSelectItem(item));
// Select current option
if (item.Toggle.isOn)
{
item.Toggle.Select();
}
// Automatically set up explicit navigation
if (prev != null)
{
Navigation prevNav = prev.navigation;
Navigation toggleNav = item.Toggle.navigation;
prevNav.mode = Navigation.Mode.Explicit;
toggleNav.mode = Navigation.Mode.Explicit;
prevNav.selectOnDown = item.Toggle;
prevNav.selectOnRight = item.Toggle;
toggleNav.selectOnLeft = prev;
toggleNav.selectOnUp = prev;
prev.navigation = prevNav;
item.Toggle.navigation = toggleNav;
}
prev = item.Toggle;
m_Items.Add(item);
}
// Reposition all items now that all of them have been added
Vector2 sizeDelta = contentRectTransform.sizeDelta;
sizeDelta.y = itemSize.y * m_Items.Count + offsetMin.y - offsetMax.y;
contentRectTransform.sizeDelta = sizeDelta;
float extraSpace = dropdownRectTransform.rect.height - contentRectTransform.rect.height;
if (extraSpace > 0)
{
dropdownRectTransform.sizeDelta = new Vector2(dropdownRectTransform.sizeDelta.x, dropdownRectTransform.sizeDelta.y - extraSpace);
}
// Invert anchoring and position if dropdown is partially or fully outside of canvas rect.
// Typically this will have the effect of placing the dropdown above the button instead of below,
// but it works as inversion regardless of initial setup.
Vector3[] corners = new Vector3[4];
dropdownRectTransform.GetWorldCorners(corners);
RectTransform rootCanvasRectTransform = rootCanvas.transform as RectTransform;
Rect rootCanvasRect = rootCanvasRectTransform.rect;
for (int axis = 0; axis < 2; axis++)
{
bool outside = false;
for (int i = 0; i < 4; i++)
{
Vector3 corner = rootCanvasRectTransform.InverseTransformPoint(corners[i]);
if ((corner[axis] < rootCanvasRect.min[axis] && !Mathf.Approximately(corner[axis], rootCanvasRect.min[axis])) ||
(corner[axis] > rootCanvasRect.max[axis] && !Mathf.Approximately(corner[axis], rootCanvasRect.max[axis])))
{
outside = true;
break;
}
}
if (outside)
{
RectTransformUtility.FlipLayoutOnAxis(dropdownRectTransform, axis, false, false);
}
}
for (int i = 0; i < m_Items.Count; i++)
{
RectTransform itemRect = m_Items[i].rectTransform;
itemRect.anchorMin = new Vector2(itemRect.anchorMin.x, 0);
itemRect.anchorMax = new Vector2(itemRect.anchorMax.x, 0);
itemRect.anchoredPosition = new Vector2(itemRect.anchoredPosition.x, offsetMin.y + itemSize.y * (m_Items.Count - 1 - i) + itemSize.y * itemRect.pivot.y);
itemRect.sizeDelta = new Vector2(itemRect.sizeDelta.x, itemSize.y);
}
// Fade in the popup
AlphaFadeList(m_AlphaFadeSpeed, 0f, 1f);
// Make drop-down template and item template inactive
m_Template.gameObject.SetActive(false);
itemTemplate.gameObject.SetActive(false);
m_Blocker = CreateBlocker(rootCanvas);
}
