/// <summary>
/// Creates a dropdown bound to a field or property. You need to supply a collection of dropdown choices.
/// </summary>
public GameObject Dropdown <T>(Expression <Func <T> > memberAccessExpr,
IEnumerable <IEDropdownChoice> choices,
int width, int labelWidth,
string label = null,
string tooltip = null
)
{
#region Old code
/*
* //+ FOR REFERENCE:
* const int nerfedXPTableWidth = 515;
* UIDropdownMenu drop;
* nerfedXPTableDropdown.transform.GetChild(1).GetChild(0).localScale = new Vector3(nerfedXPTableWidth, 32, 1); // width of combobox
* nerfedXPTableDropdown.transform.GetChild(1).GetChild(3).localPosition = new Vector3(nerfedXPTableWidth - 27, 10, 0); // position of down arrow
* nerfedXPTableDropdown.transform.GetChild(1).GetChild(2).GetChild(0).localScale = new Vector3(nerfedXPTableWidth, 37, 0); // width of dropdown
* nerfedXPTableDropdown.transform.GetChild(1).Component<UIDropdownMenu>().OptionRootText.lineWidth = nerfedXPTableWidth;
* nerfedXPTableDropdown.transform.GetChild(1).Component<UIDropdownMenu>().SelectedText.lineWidth = nerfedXPTableWidth;
* nerfedXPTableDropdown.transform.GetChild(1).Component<UIDropdownMenu>().OptionGrid.cellWidth = nerfedXPTableWidth;
* nerfedXPTableDropdown.transform.GetChild(1).Component<UIDropdownMenu>().Options = nerfedXPTableChoices;
* //nerfedXPTableDropdown.transform.GetChild(1).Component<UIDropdownMenu>().SelectedItem = nerfedXPTableChoices[PlayerPrefs.GetInt("NerfedXPTableSetting")];
* //nerfedXPTableDropdown.transform.GetChild(1).Component<UIDropdownMenu>().OnDropdownOptionChangedEvent += new UIDropdownMenu.DropdownOptionChanged(OnNerfedXPTableSettingChanged);
* nerfedXPTableDropdown.transform.GetChild(0).Component<UILabel>().lineWidth = 300;
* nerfedXPTableDropdown.transform.GetChild(0).Component<UILabel>().shrinkToFit = false;
* nerfedXPTableDropdown.transform.GetChild(0).Component<GUIStringLabel>().DatabaseString = new GUIDatabaseString(++StringId);
* nerfedXPTableDropdown.Component<UIOptionsTag>().TooltipString = new GUIDatabaseString(++StringId);
* // end of adding dropdown
*/
#endregion
if (ExampleDropdown == null)
{
throw IEDebug.Exception(null, "You must initialize the ExampleDropdown to create a dropdown.", null);
}
var pos = new Vector3(0, 0, 0);
var getter = ReflectHelper.CreateGetter(memberAccessExpr);
var setter = ReflectHelper.CreateSetter(memberAccessExpr);
var asMemberExpr = (MemberExpression)memberAccessExpr.Body;
var comboBox = (UIOptionsTag)Object.Instantiate(ExampleDropdown);
comboBox.transform.parent = CurrentParent;
//+ Basic setup
comboBox.name = asMemberExpr.Member.Name;
//! You have to explicitly set localPosition and localScale to something after Instantiate!!!
//! Otherwise, the UI will broken, but no exception will be reported.
comboBox.transform.localPosition = pos;
comboBox.transform.localScale = new Vector3(1, 1, 1);
var dropdown = comboBox.transform.ComponentsInDescendants <UIDropdownMenu>(true).Single();
label = label ?? ReflectHelper.GetLabelInfo(asMemberExpr.Member);
tooltip = tooltip ?? ReflectHelper.GetDescriptionInfo(asMemberExpr.Member);
//+ Set the labels
//There are multiple things called Label in this visual tree, but only one with a GUIStringLabel component.
var guiLabel = comboBox.transform.ComponentsInDescendants <GUIStringLabel>(true).Single();
if (labelWidth > 0)
{
guiLabel.DatabaseString = IEModString.Register(label);
var uiLabel = guiLabel.gameObject.Component <UILabel>();
uiLabel.lineWidth = labelWidth;
}
else
{
guiLabel.DatabaseString = IEModString.Register("");
var uiLabel = guiLabel.gameObject.Component <UILabel>();
uiLabel.lineWidth = labelWidth;
}
var uiTag = comboBox.Component <UIOptionsTag>();
uiTag.TooltipString = IEModString.Register(tooltip);
//+ set the choices and SelectedItem
var choicesArr = choices.ToArray();
dropdown.Options = choicesArr.ToArray();
dropdown.SelectedItem = choicesArr.SingleOrDefault(x => object.Equals(x.Value, getter())) ?? dropdown.Options[0];
//+ Set position and scale
//To get the names, I used the GetChild calls as reference, and dumped the comboBox to the log using UnityObjectDumper.
var comboBoxBackground = comboBox.Descendant("Background");
comboBoxBackground.transform.localScale = new Vector3(width, 32, 1); //this is the width of the combobox
var arrowThing = comboBox.Descendant("ArrowPivot");
arrowThing.transform.localPosition = new Vector3(width - 27, 10, 0);
dropdown.OptionRootText.lineWidth = width;
dropdown.SelectedText.lineWidth = width;
dropdown.OptionGrid.cellWidth = width;
var optGrid = dropdown.OptionGrid;
//+ Set the default handler that binds the control to the member
dropdown.OnDropdownOptionChangedEvent += option => {
var asChoice = (IEDropdownChoice)option;
setter((T)asChoice.Value);
};
return(comboBox.gameObject);
}
/// <summary>
/// Creates a new dropdown/combo box bound to an enum-valued field or property. The enum part is important, as this is how the dropdown's options are generated. Labels are taken from attributes.
/// </summary>
/// <typeparam name="T">The type of the field/property. MUST be an enum type.</typeparam>
/// <param name="enumMemberAccessExpr">A simple member access expression for accessing the property/field you want to bind this control to. For example, <c>() => IEModOptions.YourProperty</c></param>
/// <param name="width">The width of the dropdown. You have to specify it now because setting it is complicated.</param>
/// <param name="labelWidth">The width of the GUI label attached to the dropdown. If you set it to 0, there will be no label.</param>
/// <param name="localPos">The transform.localPosition of the dropdown. You can set this later.</param>
/// <returns></returns>
public GameObject EnumBoundDropdown <T>(Expression <Func <T> > enumMemberAccessExpr, int width, int labelWidth)
where T : struct, IConvertible, IFormattable, IComparable
{
/*
*
* //+ FOR REFERENCE:
* const int nerfedXPTableWidth = 515;
* UIDropdownMenu drop;
* nerfedXPTableDropdown.transform.GetChild(1).GetChild(0).localScale = new Vector3(nerfedXPTableWidth, 32, 1); // width of combobox
* nerfedXPTableDropdown.transform.GetChild(1).GetChild(3).localPosition = new Vector3(nerfedXPTableWidth - 27, 10, 0); // position of down arrow
* nerfedXPTableDropdown.transform.GetChild(1).GetChild(2).GetChild(0).localScale = new Vector3(nerfedXPTableWidth, 37, 0); // width of dropdown
* nerfedXPTableDropdown.transform.GetChild(1).GetComponent<UIDropdownMenu>().OptionRootText.lineWidth = nerfedXPTableWidth;
* nerfedXPTableDropdown.transform.GetChild(1).GetComponent<UIDropdownMenu>().SelectedText.lineWidth = nerfedXPTableWidth;
* nerfedXPTableDropdown.transform.GetChild(1).GetComponent<UIDropdownMenu>().OptionGrid.cellWidth = nerfedXPTableWidth;
* nerfedXPTableDropdown.transform.GetChild(1).GetComponent<UIDropdownMenu>().Options = nerfedXPTableChoices;
* //nerfedXPTableDropdown.transform.GetChild(1).GetComponent<UIDropdownMenu>().SelectedItem = nerfedXPTableChoices[PlayerPrefs.GetInt("NerfedXPTableSetting")];
* //nerfedXPTableDropdown.transform.GetChild(1).GetComponent<UIDropdownMenu>().OnDropdownOptionChangedEvent += new UIDropdownMenu.DropdownOptionChanged(OnNerfedXPTableSettingChanged);
* nerfedXPTableDropdown.transform.GetChild(0).GetComponent<UILabel>().lineWidth = 300;
* nerfedXPTableDropdown.transform.GetChild(0).GetComponent<UILabel>().shrinkToFit = false;
* nerfedXPTableDropdown.transform.GetChild(0).GetComponent<GUIStringLabel>().DatabaseString = new GUIDatabaseString(++StringId);
* nerfedXPTableDropdown.GetComponent<UIOptionsTag>().TooltipString = new GUIDatabaseString(++StringId);
* // end of adding dropdown
*/
if (!typeof(T).IsEnum)
{
IEDebug.Exception(null, "Expected an enum type, but got {0}", typeof(T));
}
if (ExampleComboBox == null)
{
IEDebug.Exception(null, "You must initialize the ExampleComboBox to create a combo box.", null);
}
var pos = new Vector3(0, 0, 0);
var getter = ReflectHelper.CreateGetter(enumMemberAccessExpr);
var setter = ReflectHelper.CreateSetter(enumMemberAccessExpr);
var asMemberExpr = (MemberExpression)enumMemberAccessExpr.Body;
var comboBox = (GameObject)GameObject.Instantiate(ExampleComboBox);
comboBox.transform.parent = CurrentParent;
//+ Basic setup
comboBox.name = asMemberExpr.Member.Name;
//! You have to explicitly set localPosition and localScale to something after Instantiate!!!
//! Otherwise, the UI will broken, but no exception will be reported.
comboBox.transform.localPosition = pos;
comboBox.transform.localScale = new Vector3(1, 1, 1);
var dropdown = comboBox.transform.GetComponentsInChildren <UIDropdownMenu>(true).Single();
var label = GetLabel(asMemberExpr.Member);
var desc = GetDesc(asMemberExpr.Member);
//+ Set the labels
//There are multiple things called Label in this visual tree, but only one with a GUIStringLabel component.
var guiLabel = comboBox.transform.GetComponentsInChildren <GUIStringLabel>(true).Single();
if (labelWidth > 0)
{
guiLabel.DatabaseString = IEModString.Register(label);
var uiLabel = guiLabel.gameObject.GetComponent <UILabel>();
uiLabel.lineWidth = labelWidth;
}
else
{
guiLabel.DatabaseString = IEModString.Register("");
var uiLabel = guiLabel.gameObject.GetComponent <UILabel>();
uiLabel.lineWidth = labelWidth;
}
var uiTag = comboBox.GetComponent <UIOptionsTag>();
uiTag.TooltipString = IEModString.Register(desc);
//+ set the choices and SelectedItem
var choices = EnumToChoices(typeof(T));
dropdown.Options = choices.Cast <object>().ToArray();
dropdown.SelectedItem = choices.SingleOrDefault(x => x.Value.Equals(getter())) ?? dropdown.Options[0];
//+ Set position and scale
//To get the names, I used the GetChild calls as reference, and dumped the comboBox to the log using UnityObjectDumper.
var comboBoxBackground = comboBox.GetDescendant("Background");
var oldWidth = comboBoxBackground.transform.localScale.x;
comboBoxBackground.transform.localScale = new Vector3(width, 32, 1); //this is the width of the combobox
var arrowThing = comboBox.GetDescendant("ArrowPivot");
arrowThing.transform.localPosition = new Vector3(width - 27, 10, 0);
dropdown.OptionRootText.lineWidth = width;
dropdown.SelectedText.lineWidth = width;
dropdown.OptionGrid.cellWidth = width;
var optGrid = dropdown.OptionGrid;
//+ Set the default handler that binds the control to the member
dropdown.OnDropdownOptionChangedEvent += option => {
var asChoice = (IEComboBoxChoice)option;
setter((T)asChoice.Value);
};
return(comboBox);
}
