/// <summary>
/// Shared routine to spawn UI text objects.
/// </summary>
/// <param name="parent">The parent object for the text.</param>
/// <param name="style">The text style to use.</param>
/// <param name="contents">The default text.</param>
/// <returns>The child text object.</returns>
protected static LocText TextChildHelper(GameObject parent, TextStyleSetting style,
string contents = "")
{
var textChild = PUIElements.CreateUI(parent, "Text");
var locText = PUIElements.AddLocText(textChild, style);
// Font needs to be set before the text
locText.alignment = TMPro.TextAlignmentOptions.Center;
locText.text = contents;
return(locText);
}
/// <summary>
/// Builds a row selection prefab object for this combo box.
/// </summary>
/// <param name="style">The text style for the entries.</param>
/// <param name="entryColor">The color for the entry backgrounds.</param>
/// <returns>A template for each row in the dropdown.</returns>
private GameObject BuildRowPrefab(TextStyleSetting style, ColorStyleSetting entryColor)
{
var im = ItemMargin;
var rowPrefab = PUIElements.CreateUI(null, "RowEntry");
// Background of the entry
var bgImage = rowPrefab.AddComponent <KImage>();
UIDetours.COLOR_STYLE_SETTING.Set(bgImage, entryColor);
UIDetours.APPLY_COLOR_STYLE.Invoke(bgImage);
// Checkmark for the front of the entry
var isSelected = PUIElements.CreateUI(rowPrefab, "Selected");
var fgImage = isSelected.AddComponent <Image>();
fgImage.color = style.textColor;
fgImage.preserveAspect = true;
fgImage.sprite = PUITuning.Images.Checked;
// Button for the entry to select it
var entryButton = rowPrefab.AddComponent <KButton>();
PButton.SetupButton(entryButton, bgImage);
UIDetours.FG_IMAGE.Set(entryButton, fgImage);
// Tooltip for the entry
rowPrefab.AddComponent <ToolTip>();
// Text for the entry
var textContainer = PUIElements.CreateUI(rowPrefab, "Text");
PUIElements.AddLocText(textContainer, style).SetText(" ");
// Configure the entire layout in 1 statement! (jk this is awful)
var group = rowPrefab.AddComponent <RelativeLayoutGroup>();
group.AnchorYAxis(isSelected).OverrideSize(isSelected, CheckSize).SetLeftEdge(
isSelected, fraction: 0.0f).SetMargin(isSelected, im).AnchorYAxis(
textContainer).SetLeftEdge(textContainer, toRight: isSelected).SetRightEdge(
textContainer, 1.0f).SetMargin(textContainer, new RectOffset(0, im.right,
im.top, im.bottom)).LockLayout();
rowPrefab.SetActive(false);
return(rowPrefab);
}
public GameObject Build()
{
var combo = PUIElements.CreateUI(null, Name);
var style = TextStyle ?? PUITuning.Fonts.UILightStyle;
var entryColor = EntryColor ?? PUITuning.Colors.ButtonBlueStyle;
RectOffset margin = Margin, im = ItemMargin;
// Background color
var bgImage = combo.AddComponent <KImage>();
var backColorStyle = BackColor ?? PUITuning.Colors.ButtonBlueStyle;
UIDetours.COLOR_STYLE_SETTING.Set(bgImage, backColorStyle);
PButton.SetupButtonBackground(bgImage);
// Need a LocText (selected item)
var selection = PUIElements.CreateUI(combo, "SelectedItem");
if (MinWidth > 0)
{
selection.SetMinUISize(new Vector2(MinWidth, 0.0f));
}
var selectedLabel = PUIElements.AddLocText(selection, style);
// Vertical flow panel with the choices
var contentContainer = PUIElements.CreateUI(null, "Content");
contentContainer.AddComponent <VerticalLayoutGroup>().childForceExpandWidth = true;
// Scroll pane with items is laid out below everything else
var pullDown = new PScrollPane("PullDown")
{
ScrollHorizontal = false, ScrollVertical = true, AlwaysShowVertical = true,
FlexSize = Vector2.right, TrackSize = 8.0f, BackColor = entryColor.
inactiveColor
}.BuildScrollPane(combo, contentContainer);
// Add a black border (Does not work, covered by the combo box buttons...)
#if false
var pdImage = pullDown.GetComponent <Image>();
pdImage.sprite = PUITuning.Images.BoxBorder;
pdImage.type = Image.Type.Sliced;
#endif
pullDown.rectTransform().pivot = new Vector2(0.5f, 1.0f);
// Initialize the drop down
var comboBox = combo.AddComponent <PComboBoxComponent>();
comboBox.CheckColor = style.textColor;
comboBox.ContentContainer = contentContainer.rectTransform();
comboBox.EntryPrefab = BuildRowPrefab(style, entryColor);
comboBox.MaxRowsShown = MaxRowsShown;
comboBox.Pulldown = pullDown;
comboBox.SelectedLabel = selectedLabel;
comboBox.SetItems(Content);
comboBox.SetSelectedItem(InitialItem);
comboBox.OnSelectionChanged = (obj, item) => OnOptionSelected?.Invoke(obj.
gameObject, item as T);
// Inner component with the pulldown image
var image = PUIElements.CreateUI(combo, "OpenImage");
var icon = image.AddComponent <Image>();
icon.sprite = PUITuning.Images.Contract;
icon.color = style.textColor;
// Button component
var dropButton = combo.AddComponent <KButton>();
PButton.SetupButton(dropButton, bgImage);
UIDetours.FG_IMAGE.Set(dropButton, icon);
dropButton.onClick += comboBox.OnClick;
// Add tooltip
PUIElements.SetToolTip(selection, ToolTip);
combo.SetActive(true);
// Button gets laid out on the right, rest of space goes to the label
// Scroll pane is laid out on the bottom
var layout = combo.AddComponent <RelativeLayoutGroup>();
layout.AnchorYAxis(selection).SetLeftEdge(selection, fraction:
0.0f).SetRightEdge(selection, toLeft: image).AnchorYAxis(image).SetRightEdge(
image, fraction: 1.0f).SetMargin(selection, new RectOffset(margin.left,
im.right, margin.top, margin.bottom)).SetMargin(image, new RectOffset(0,
margin.right, margin.top, margin.bottom)).OverrideSize(image, ArrowSize).
AnchorYAxis(pullDown, 0.0f).OverrideSize(pullDown, Vector2.up);
layout.LockLayout();
if (DynamicSize)
{
layout.UnlockLayout();
}
// Disable sizing on the pulldown
pullDown.AddOrGet <LayoutElement>().ignoreLayout = true;
// Scroll pane is hidden right away
pullDown.SetActive(false);
layout.flexibleWidth = FlexSize.x;
layout.flexibleHeight = FlexSize.y;
OnRealize?.Invoke(combo);
return(combo);
}
