/// <summary>
/// set up of the object that happens before start
/// </summary>
void Awake()
{
//find and set button
DropButton = this.GetComponent <NewButtonScript>() as NewButtonScript;
//will produce errors if no button is set change to give readible error
DropButton.onPress.AddListener(activate_dropdown);
//set the layers
DropButton.setActivatinglayer(activating);
DropButton.setHoveringlayer(hovering);
maxOptionsShown = options.Length;
//handle the text
this.label = this.GetComponentInChildren <TextMesh>();
label.text = defaultString;
//fixing testing problems with slider
if (oldSlider != null)
{
oldSlider.gameObject.active = false;
}
//handles starting default string
//negative means start at default string
if (defaultnumber < 0)
{
label.text = defaultString;
}
else
{
//if there is no default string pick the item at the number
if (defaultString.Length == 0)
{
label.text = options[defaultnumber].label;
}
else
{
//resize to include the default
string[] temp = new string[options.Length + 1];
int counter = 0;
for (int i = 0; i < options.Length; i++)
{
string op = options[i].label;
if (counter == defaultnumber)
{
temp[counter] = defaultString;
counter++;
}
temp[counter] = op;
counter++;
}
if (counter == defaultnumber)
{
temp[counter] = defaultString;
}
}
}
}
/// <summary>
/// setter for the activating layer
/// </summary>
/// <param name="activating">The layer mask we are using for activating</param>
public void setActivatinglayer(LayerMask activating)
{
DropButton.setActivatinglayer(activating);
}
/// <summary>
/// constructs the dropdown
/// </summary>
void activate_dropdown()
{
//handle spammed commands
if (Time.time - last_activation < delay)
{
last_activation = Time.time;
return;
}
if (activated == false && interactable_)
{
last_activation = Time.time;
//handle the listeners
/*It is assumed every interaction with the dropdown is a single button interaction, for multiple actions the
* onPress listener must have another function handle input and only use deactivate_dropdown when the dropdown
* is closed.*/
DropButton.onPress.RemoveListener(activate_dropdown);
DropButton.onPress.AddListener(deactivate_dropdown);
activated = true;
//makes boundry
GameObject BoundingBox = Instantiate(boundingBox, this.transform.position, this.transform.rotation);
BoundingBox.transform.SetParent(this.transform);
bool scrolling = false;
scrollingOptions = new GameObject[options.Length];
//for scrolling support, not currently supported, currently maxOptionsShown < options.Length is always false
if (maxOptionsShown < options.Length)
{
scrolling = true;
}
//considering changing i to position or index, somehting more descriptive.
for (int i = 0; i < options.Length; i++)
{
//makes each item in options
string op = options[i].label;
//make template
GameObject inst = Instantiate(template, this.transform.position + this.transform.up * ((-i * changeInHeight) - firstOffset), this.transform.rotation);
inst.transform.parent = this.transform;
Text label = inst.AddComponent <Text>();
label.text = op;
GameObject extra = null;
Option opt = options[i];
//spawns extras where appropriate
if (opt.Disabled)
{
if (opt.extrasDisabled != null)
{
extra = Instantiate(opt.extrasDisabled, this.transform.position + this.transform.up * -i * changeInHeight, this.transform.rotation);
}
}
else
{
if (opt.Hovered)
{
if (opt.extrasHovered != null)
{
extra = Instantiate(opt.extrasHovered, this.transform.position + this.transform.up * -i * changeInHeight, this.transform.rotation);
}
}
else
{
if (opt.Pressed)
{
if (opt.extrasPressed != null)
{
extra = Instantiate(opt.extrasPressed, this.transform.position + this.transform.up * -i * changeInHeight, this.transform.rotation);
}
}
else
{
if (opt.extras != null)
{
extra = Instantiate(opt.extras, this.transform.position + this.transform.up * -i * changeInHeight, this.transform.rotation);
}
}
}
}
//gets the created gameobject with the collider
GameObject DDinst = inst.gameObject.GetComponentInChildren <Collider>().gameObject;
//DDi stands for Drop Down Item a deprecated script but a useful name. It is actually a new button script
NewButtonScript DDI = DDinst.AddComponent <NewButtonScript>() as NewButtonScript;
//may be incorrect
if (extra != null)
{
extra.transform.parent = inst.transform;
}
//set values from options
DDI.gradient = options[i].buttonGrad;
DDI.extras = options[i].extras;
DDI.extrasHovered = options[i].extrasHovered;
DDI.extrasPressed = options[i].extrasPressed;
DDI.extrasDisabled = options[i].extrasDisabled;
DDI.ItemFade = ItemFade;
DDI.setActivatinglayer(activating);
DDI.setHoveringlayer(hovering);
DDI.extras = extra;
int index = i;
//create custom listener that has the number of the item picked preset
UnityAction UA = () => closeAndPick(index);
DDI.onPress.AddListener(UA);
//set text
TextMesh text = inst.GetComponentInChildren <TextMesh>();
text.text = op;
//determines which gradient the item will use
if (DropDownItemGradient)
{
DDI.gradient = buttonGradient;
}
else
{
DDI.gradient = options[i].buttonGrad;
}
if (i > maxOptionsShown - 1)
{
inst.SetActive(false);
}
//set the array
scrollingOptions[i] = inst;
}
//not used
if (scrolling)
{
//create new slider
oldSlider.gameObject.SetActive(true);
//oldSlider.transform.position = this.transform.position + /*this.transform.up*/new Vector3(1, 0, 0);
//add listener on the slider float event
oldSlider.onValueChanged.AddListener(delegate { SliderUpdate(); });
}
}
}