public static GameObject CreateScrollView(Resources resources)
{
GameObject root = CreateUIElementRoot("Scroll View", new Vector2(200, 200));
GameObject viewport = CreateUIObject("Viewport", root);
GameObject content = CreateUIObject("Content", viewport);
// Sub controls.
GameObject hScrollbar = CreateScrollbar(resources);
hScrollbar.name = "Scrollbar Horizontal";
SetParentAndAlign(hScrollbar, root);
RectTransform hScrollbarRT = hScrollbar.GetComponent <RectTransform>();
hScrollbarRT.anchorMin = Vector2.zero;
hScrollbarRT.anchorMax = Vector2.right;
hScrollbarRT.pivot = Vector2.zero;
hScrollbarRT.sizeDelta = new Vector2(0, hScrollbarRT.sizeDelta.y);
GameObject vScrollbar = CreateScrollbar(resources);
vScrollbar.name = "Scrollbar Vertical";
SetParentAndAlign(vScrollbar, root);
vScrollbar.GetComponent <Scrollbar>().SetDirection(Scrollbar.Direction.BottomToTop, true);
RectTransform vScrollbarRT = vScrollbar.GetComponent <RectTransform>();
vScrollbarRT.anchorMin = Vector2.right;
vScrollbarRT.anchorMax = Vector2.one;
vScrollbarRT.pivot = Vector2.one;
vScrollbarRT.sizeDelta = new Vector2(vScrollbarRT.sizeDelta.x, 0);
// Setup RectTransforms.
// Make viewport fill entire scroll view.
RectTransform viewportRT = viewport.GetComponent <RectTransform>();
viewportRT.anchorMin = Vector2.zero;
viewportRT.anchorMax = Vector2.one;
viewportRT.sizeDelta = Vector2.zero;
viewportRT.pivot = Vector2.up;
// Make context match viewpoprt width and be somewhat taller.
// This will show the vertical scrollbar and not the horizontal one.
RectTransform contentRT = content.GetComponent <RectTransform>();
contentRT.anchorMin = Vector2.up;
contentRT.anchorMax = Vector2.one;
contentRT.sizeDelta = new Vector2(0, 300);
contentRT.pivot = Vector2.up;
// Setup UI components.
ScrollRect scrollRect = root.AddComponent <ScrollRect>();
scrollRect.content = contentRT;
scrollRect.viewport = viewportRT;
scrollRect.horizontalScrollbar = hScrollbar.GetComponent <Scrollbar>();
scrollRect.verticalScrollbar = vScrollbar.GetComponent <Scrollbar>();
scrollRect.horizontalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport;
scrollRect.verticalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport;
scrollRect.horizontalScrollbarSpacing = -3;
scrollRect.verticalScrollbarSpacing = -3;
Image rootImage = root.AddComponent <Image>();
rootImage.sprite = resources.background;
rootImage.type = Image.Type.Sliced;
rootImage.color = s_PanelColor;
Mask viewportMask = viewport.AddComponent <Mask>();
viewportMask.showMaskGraphic = false;
Image viewportImage = viewport.AddComponent <Image>();
viewportImage.sprite = resources.mask;
viewportImage.type = Image.Type.Sliced;
return(root);
}
public static GameObject CreateDropdown(Resources resources)
{
GameObject root = CreateUIElementRoot("Dropdown", s_ThickElementSize);
GameObject label = CreateUIObject("Label", root);
GameObject arrow = CreateUIObject("Arrow", root);
GameObject template = CreateUIObject("Template", root);
GameObject viewport = CreateUIObject("Viewport", template);
GameObject content = CreateUIObject("Content", viewport);
GameObject item = CreateUIObject("Item", content);
GameObject itemBackground = CreateUIObject("Item Background", item);
GameObject itemCheckmark = CreateUIObject("Item Checkmark", item);
GameObject itemLabel = CreateUIObject("Item Label", item);
// Sub controls.
GameObject scrollbar = CreateScrollbar(resources);
scrollbar.name = "Scrollbar";
SetParentAndAlign(scrollbar, template);
Scrollbar scrollbarScrollbar = scrollbar.GetComponent <Scrollbar>();
scrollbarScrollbar.SetDirection(Scrollbar.Direction.BottomToTop, true);
RectTransform vScrollbarRT = scrollbar.GetComponent <RectTransform>();
vScrollbarRT.anchorMin = Vector2.right;
vScrollbarRT.anchorMax = Vector2.one;
vScrollbarRT.pivot = Vector2.one;
vScrollbarRT.sizeDelta = new Vector2(vScrollbarRT.sizeDelta.x, 0);
// Setup item UI components.
Text itemLabelText = itemLabel.AddComponent <Text>();
SetDefaultTextValues(itemLabelText);
itemLabelText.alignment = TextAnchor.MiddleLeft;
Image itemBackgroundImage = itemBackground.AddComponent <Image>();
itemBackgroundImage.color = new Color32(245, 245, 245, 255);
Image itemCheckmarkImage = itemCheckmark.AddComponent <Image>();
itemCheckmarkImage.sprite = resources.checkmark;
Toggle itemToggle = item.AddComponent <Toggle>();
itemToggle.targetGraphic = itemBackgroundImage;
itemToggle.graphic = itemCheckmarkImage;
itemToggle.isOn = true;
// Setup template UI components.
Image templateImage = template.AddComponent <Image>();
templateImage.sprite = resources.standard;
templateImage.type = Image.Type.Sliced;
ScrollRect templateScrollRect = template.AddComponent <ScrollRect>();
templateScrollRect.content = (RectTransform)content.transform;
templateScrollRect.viewport = (RectTransform)viewport.transform;
templateScrollRect.horizontal = false;
templateScrollRect.movementType = ScrollRect.MovementType.Clamped;
templateScrollRect.verticalScrollbar = scrollbarScrollbar;
templateScrollRect.verticalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport;
templateScrollRect.verticalScrollbarSpacing = -3;
Mask scrollRectMask = viewport.AddComponent <Mask>();
scrollRectMask.showMaskGraphic = false;
Image viewportImage = viewport.AddComponent <Image>();
viewportImage.sprite = resources.mask;
viewportImage.type = Image.Type.Sliced;
// Setup dropdown UI components.
Text labelText = label.AddComponent <Text>();
SetDefaultTextValues(labelText);
labelText.text = "Option A";
labelText.alignment = TextAnchor.MiddleLeft;
Image arrowImage = arrow.AddComponent <Image>();
arrowImage.sprite = resources.dropdown;
Image backgroundImage = root.AddComponent <Image>();
backgroundImage.sprite = resources.standard;
backgroundImage.color = s_DefaultSelectableColor;
backgroundImage.type = Image.Type.Sliced;
Dropdown dropdown = root.AddComponent <Dropdown>();
dropdown.targetGraphic = backgroundImage;
SetDefaultColorTransitionValues(dropdown);
dropdown.template = template.GetComponent <RectTransform>();
dropdown.captionText = labelText;
dropdown.itemText = itemLabelText;
// Setting default Item list.
itemLabelText.text = "Option A";
dropdown.options.Add(new Dropdown.OptionData {
text = "Option A"
});
dropdown.options.Add(new Dropdown.OptionData {
text = "Option B"
});
dropdown.options.Add(new Dropdown.OptionData {
text = "Option C"
});
// Set up RectTransforms.
RectTransform labelRT = label.GetComponent <RectTransform>();
labelRT.anchorMin = Vector2.zero;
labelRT.anchorMax = Vector2.one;
labelRT.offsetMin = new Vector2(10, 6);
labelRT.offsetMax = new Vector2(-25, -7);
RectTransform arrowRT = arrow.GetComponent <RectTransform>();
arrowRT.anchorMin = new Vector2(1, 0.5f);
arrowRT.anchorMax = new Vector2(1, 0.5f);
arrowRT.sizeDelta = new Vector2(20, 20);
arrowRT.anchoredPosition = new Vector2(-15, 0);
RectTransform templateRT = template.GetComponent <RectTransform>();
templateRT.anchorMin = new Vector2(0, 0);
templateRT.anchorMax = new Vector2(1, 0);
templateRT.pivot = new Vector2(0.5f, 1);
templateRT.anchoredPosition = new Vector2(0, 2);
templateRT.sizeDelta = new Vector2(0, 150);
RectTransform viewportRT = viewport.GetComponent <RectTransform>();
viewportRT.anchorMin = new Vector2(0, 0);
viewportRT.anchorMax = new Vector2(1, 1);
viewportRT.sizeDelta = new Vector2(-18, 0);
viewportRT.pivot = new Vector2(0, 1);
RectTransform contentRT = content.GetComponent <RectTransform>();
contentRT.anchorMin = new Vector2(0f, 1);
contentRT.anchorMax = new Vector2(1f, 1);
contentRT.pivot = new Vector2(0.5f, 1);
contentRT.anchoredPosition = new Vector2(0, 0);
contentRT.sizeDelta = new Vector2(0, 28);
RectTransform itemRT = item.GetComponent <RectTransform>();
itemRT.anchorMin = new Vector2(0, 0.5f);
itemRT.anchorMax = new Vector2(1, 0.5f);
itemRT.sizeDelta = new Vector2(0, 20);
RectTransform itemBackgroundRT = itemBackground.GetComponent <RectTransform>();
itemBackgroundRT.anchorMin = Vector2.zero;
itemBackgroundRT.anchorMax = Vector2.one;
itemBackgroundRT.sizeDelta = Vector2.zero;
RectTransform itemCheckmarkRT = itemCheckmark.GetComponent <RectTransform>();
itemCheckmarkRT.anchorMin = new Vector2(0, 0.5f);
itemCheckmarkRT.anchorMax = new Vector2(0, 0.5f);
itemCheckmarkRT.sizeDelta = new Vector2(20, 20);
itemCheckmarkRT.anchoredPosition = new Vector2(10, 0);
RectTransform itemLabelRT = itemLabel.GetComponent <RectTransform>();
itemLabelRT.anchorMin = Vector2.zero;
itemLabelRT.anchorMax = Vector2.one;
itemLabelRT.offsetMin = new Vector2(20, 1);
itemLabelRT.offsetMax = new Vector2(-10, -2);
template.SetActive(false);
return(root);
}