/// <summary>
/// Create the basic UI button.
/// </summary>
/// <remarks>
/// Hierarchy:
/// (root)
/// Button
/// -Text
/// </remarks>
/// <param name="resources">The resources to use for creation.</param>
/// <returns>The root GameObject of the created element.</returns>
public static GameObject CreateButton(Resources resources)
{
GameObject buttonRoot = CreateUIElementRoot("Button", s_ThickElementSize);
GameObject childText = new GameObject("Text");
childText.AddComponent <RectTransform>();
SetParentAndAlign(childText, buttonRoot);
Image image = buttonRoot.AddComponent <Image>();
image.sprite = resources.standard;
image.type = Image.Type.Sliced;
image.color = s_DefaultSelectableColor;
Button bt = buttonRoot.AddComponent <Button>();
SetDefaultColorTransitionValues(bt);
BUIText text = childText.AddComponent <BUIText>();
text.text = "Button";
text.alignment = TextAnchor.MiddleCenter;
SetDefaultTextValues(text);
RectTransform textRectTransform = childText.GetComponent <RectTransform>();
textRectTransform.anchorMin = Vector2.zero;
textRectTransform.anchorMax = Vector2.one;
textRectTransform.sizeDelta = Vector2.zero;
return(buttonRoot);
}
/// <summary>
/// Create the basic UI Toggle.
/// </summary>
/// <remarks>
/// Hierarchy:
/// (root)
/// Toggle
/// - Background
/// - Checkmark
/// - Label
/// </remarks>
/// <param name="resources">The resources to use for creation.</param>
/// <returns>The root GameObject of the created element.</returns>
public static GameObject CreateToggle(Resources resources)
{
// Set up hierarchy
GameObject toggleRoot = CreateUIElementRoot("Toggle", s_ThinElementSize);
GameObject background = CreateUIObject("Background", toggleRoot);
GameObject checkmark = CreateUIObject("Checkmark", background);
GameObject childLabel = CreateUIObject("Label", toggleRoot);
// Set up components
Toggle toggle = toggleRoot.AddComponent <Toggle>();
toggle.isOn = true;
Image bgImage = background.AddComponent <Image>();
bgImage.sprite = resources.standard;
bgImage.type = Image.Type.Sliced;
bgImage.color = s_DefaultSelectableColor;
Image checkmarkImage = checkmark.AddComponent <Image>();
checkmarkImage.sprite = resources.checkmark;
BUIText label = childLabel.AddComponent <BUIText>();
label.text = "Toggle";
SetDefaultTextValues(label);
toggle.graphic = checkmarkImage;
toggle.targetGraphic = bgImage;
SetDefaultColorTransitionValues(toggle);
RectTransform bgRect = background.GetComponent <RectTransform>();
bgRect.anchorMin = new Vector2(0f, 1f);
bgRect.anchorMax = new Vector2(0f, 1f);
bgRect.anchoredPosition = new Vector2(10f, -10f);
bgRect.sizeDelta = new Vector2(kThinHeight, kThinHeight);
RectTransform checkmarkRect = checkmark.GetComponent <RectTransform>();
checkmarkRect.anchorMin = new Vector2(0.5f, 0.5f);
checkmarkRect.anchorMax = new Vector2(0.5f, 0.5f);
checkmarkRect.anchoredPosition = Vector2.zero;
checkmarkRect.sizeDelta = new Vector2(20f, 20f);
RectTransform labelRect = childLabel.GetComponent <RectTransform>();
labelRect.anchorMin = new Vector2(0f, 0f);
labelRect.anchorMax = new Vector2(1f, 1f);
labelRect.offsetMin = new Vector2(23f, 1f);
labelRect.offsetMax = new Vector2(-5f, -2f);
return(toggleRoot);
}
private static void SetDefaultTextValues(BUIText lbl)
{
// Set text values we want across UI elements in default controls.
// Don't set values which are the same as the default values for the Text component,
// since there's no point in that, and it's good to keep them as consistent as possible.
lbl.color = s_TextColor;
// Reset() is not called when playing. We still want the default font to be assigned
lbl.font = UnityEngine.Resources.GetBuiltinResource <Font>("Arial.ttf");
}
/// <summary>
/// Create the basic UI input field.
/// </summary>
/// <remarks>
/// Hierarchy:
/// (root)
/// InputField
/// - PlaceHolder
/// - Text
/// </remarks>
/// <param name="resources">The resources to use for creation.</param>
/// <returns>The root GameObject of the created element.</returns>
public static GameObject CreateInputField(Resources resources)
{
GameObject root = CreateUIElementRoot("InputField", s_ThickElementSize);
GameObject childPlaceholder = CreateUIObject("Placeholder", root);
GameObject childText = CreateUIObject("Text", root);
Image image = root.AddComponent <Image>();
image.sprite = resources.inputField;
image.type = Image.Type.Sliced;
image.color = s_DefaultSelectableColor;
InputField inputField = root.AddComponent <InputField>();
SetDefaultColorTransitionValues(inputField);
BUIText text = childText.AddComponent <BUIText>();
text.text = "";
text.supportRichText = false;
SetDefaultTextValues(text);
BUIText placeholder = childPlaceholder.AddComponent <BUIText>();
placeholder.text = "Enter text...";
placeholder.fontStyle = FontStyle.Italic;
// Make placeholder color half as opaque as normal text color.
Color placeholderColor = text.color;
placeholderColor.a *= 0.5f;
placeholder.color = placeholderColor;
RectTransform textRectTransform = childText.GetComponent <RectTransform>();
textRectTransform.anchorMin = Vector2.zero;
textRectTransform.anchorMax = Vector2.one;
textRectTransform.sizeDelta = Vector2.zero;
textRectTransform.offsetMin = new Vector2(10, 6);
textRectTransform.offsetMax = new Vector2(-10, -7);
RectTransform placeholderRectTransform = childPlaceholder.GetComponent <RectTransform>();
placeholderRectTransform.anchorMin = Vector2.zero;
placeholderRectTransform.anchorMax = Vector2.one;
placeholderRectTransform.sizeDelta = Vector2.zero;
placeholderRectTransform.offsetMin = new Vector2(10, 6);
placeholderRectTransform.offsetMax = new Vector2(-10, -7);
inputField.textComponent = text;
inputField.placeholder = placeholder;
return(root);
}
/// <summary>
/// Create the basic UI Text.
/// </summary>
/// <remarks>
/// Hierarchy:
/// (root)
/// Text
/// </remarks>
/// <param name="resources">The resources to use for creation.</param>
/// <returns>The root GameObject of the created element.</returns>
public static GameObject CreateText(Resources resources)
{
GameObject go = CreateUIElementRoot("BUIText", s_ThickElementSize);
BUIText lbl = go.AddComponent <BUIText>();
lbl.text = "New Text";
SetDefaultTextValues(lbl);
return(go);
}
/// <summary>
/// Create the basic UI dropdown.
/// </summary>
/// <remarks>
/// Hierarchy:
/// (root)
/// Dropdown
/// - Label
/// - Arrow
/// - Template
/// - Viewport
/// - Content
/// - Item
/// - Item Background
/// - Item Checkmark
/// - Item Label
/// - Scrollbar
/// - Sliding Area
/// - Handle
/// </remarks>
/// <param name="resources">The resources to use for creation.</param>
/// <returns>The root GameObject of the created element.</returns>
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.
BUIText itemLabelText = itemLabel.AddComponent <BUIText>();
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.
BUIText labelText = label.AddComponent <BUIText>();
SetDefaultTextValues(labelText);
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"
});
dropdown.RefreshShownValue();
// 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);
}
