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681 lines
24 KiB
681 lines
24 KiB
9 years ago
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using UnityEngine;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine.UI;
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[RequireComponent(typeof(RectTransform))]
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public class ComboBox : MonoBehaviour
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{
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public Sprite Sprite_UISprite;
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public Sprite Sprite_Background;
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public Action<int> OnSelectionChanged;
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[SerializeField]
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private bool _interactable = true;
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public bool Interactable
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{
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get
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{
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return _interactable;
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}
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set
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{
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_interactable = value;
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var button = comboButtonRectTransform.GetComponent<Button>();
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button.interactable = _interactable;
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var image = comboImageRectTransform.GetComponent<Image>();
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image.color = image.sprite == null ? new Color(1.0f, 1.0f, 1.0f, 0.0f) : _interactable ? button.colors.normalColor : button.colors.disabledColor;
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if (!Application.isPlaying)
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return;
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if (!_interactable && overlayGO.activeSelf)
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ToggleComboBox(false);
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}
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}
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[SerializeField]
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private int _itemsToDisplay = 4;
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public int ItemsToDisplay
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{
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get
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{
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return _itemsToDisplay;
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}
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set
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{
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if (_itemsToDisplay == value)
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return;
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_itemsToDisplay = value;
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Refresh();
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}
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}
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[SerializeField]
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private bool _hideFirstItem;
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public bool HideFirstItem
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{
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get
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{
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return _hideFirstItem;
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}
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set
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{
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if (value)
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scrollOffset--;
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else
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scrollOffset++;
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_hideFirstItem = value;
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Refresh();
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}
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}
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[SerializeField]
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private int _selectedIndex = 0;
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public int SelectedIndex
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{
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get
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{
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return _selectedIndex;
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}
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set
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{
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if (_selectedIndex == value)
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return;
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if (value > -1 && value < Items.Length)
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{
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_selectedIndex = value;
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RefreshSelected();
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}
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}
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}
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[SerializeField]
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private ComboBoxItem[] _items;
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public ComboBoxItem[] Items
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{
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get
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{
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if (_items == null)
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_items = new ComboBoxItem[0];
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return _items;
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}
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set
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{
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_items = value;
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Refresh();
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}
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}
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private GameObject overlayGO;
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private int scrollOffset;
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private float _scrollbarWidth = 20.0f;
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private RectTransform _rectTransform;
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private RectTransform rectTransform
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{
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get
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{
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if (_rectTransform == null)
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_rectTransform = GetComponent<RectTransform>();
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return _rectTransform;
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}
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set
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{
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_rectTransform = value;
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}
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}
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private RectTransform _buttonRectTransform;
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private RectTransform buttonRectTransform
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{
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get
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{
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if (_buttonRectTransform == null)
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_buttonRectTransform = rectTransform.Find("Button").GetComponent<RectTransform>();
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return _buttonRectTransform;
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}
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set
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{
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_buttonRectTransform = value;
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}
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}
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private RectTransform _comboButtonRectTransform;
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private RectTransform comboButtonRectTransform
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{
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get
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{
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if (_comboButtonRectTransform == null)
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_comboButtonRectTransform = buttonRectTransform.Find("ComboButton").GetComponent<RectTransform>();
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return _comboButtonRectTransform;
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}
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set
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{
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_comboButtonRectTransform = value;
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}
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}
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private RectTransform _comboImageRectTransform;
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private RectTransform comboImageRectTransform
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{
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get
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{
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if (_comboImageRectTransform == null)
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_comboImageRectTransform = comboButtonRectTransform.Find("Image").GetComponent<RectTransform>();
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return _comboImageRectTransform;
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}
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set
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{
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_comboImageRectTransform = value;
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}
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}
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private RectTransform _comboTextRectTransform;
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private RectTransform comboTextRectTransform
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{
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get
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{
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if (_comboTextRectTransform == null)
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_comboTextRectTransform = comboButtonRectTransform.Find("Text").GetComponent<RectTransform>();
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return _comboTextRectTransform;
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}
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set
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{
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_comboTextRectTransform = value;
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}
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}
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private RectTransform _comboArrowRectTransform;
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private RectTransform comboArrowRectTransform
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{
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get
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{
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if (_comboArrowRectTransform == null)
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_comboArrowRectTransform = buttonRectTransform.Find("Arrow").GetComponent<RectTransform>();
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return _comboArrowRectTransform;
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}
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set
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{
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_comboArrowRectTransform = value;
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}
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}
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private RectTransform _scrollPanelRectTransfrom;
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private RectTransform scrollPanelRectTransfrom
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{
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get
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{
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if (_scrollPanelRectTransfrom == null)
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_scrollPanelRectTransfrom = rectTransform.Find("Overlay/ScrollPanel").GetComponent<RectTransform>();
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return _scrollPanelRectTransfrom;
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}
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set
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{
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_scrollPanelRectTransfrom = value;
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}
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}
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private RectTransform _itemsRectTransfrom;
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private RectTransform itemsRectTransfrom
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{
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get
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{
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if (_itemsRectTransfrom == null)
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_itemsRectTransfrom = scrollPanelRectTransfrom.Find("Items").GetComponent<RectTransform>();
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return _itemsRectTransfrom;
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}
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set
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{
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_itemsRectTransfrom = value;
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}
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}
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private RectTransform _scrollbarRectTransfrom;
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private RectTransform scrollbarRectTransfrom
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{
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get
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{
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if (_scrollbarRectTransfrom == null)
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_scrollbarRectTransfrom = scrollPanelRectTransfrom.Find("Scrollbar").GetComponent<RectTransform>();
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return _scrollbarRectTransfrom;
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}
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set
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{
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_scrollbarRectTransfrom = value;
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}
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}
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private RectTransform _slidingAreaRectTransform;
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private RectTransform slidingAreaRectTransform
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{
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get
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{
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if (_slidingAreaRectTransform == null)
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_slidingAreaRectTransform = scrollbarRectTransfrom.Find("SlidingArea").GetComponent<RectTransform>();
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return _slidingAreaRectTransform;
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}
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set
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{
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_slidingAreaRectTransform = value;
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}
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}
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private RectTransform _handleRectTransfrom;
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private RectTransform handleRectTransfrom
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{
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get
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{
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if (_handleRectTransfrom == null)
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_handleRectTransfrom = slidingAreaRectTransform.Find("Handle").GetComponent<RectTransform>();
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return _handleRectTransfrom;
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}
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set
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{
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_handleRectTransfrom = value;
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}
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}
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private void Awake()
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{
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InitControl();
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}
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public void OnItemClicked(int index)
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{
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var selectionChanged = index != SelectedIndex;
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SelectedIndex = index;
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ToggleComboBox(true);
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if (selectionChanged && OnSelectionChanged != null)
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OnSelectionChanged(index);
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}
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public void AddItems(params object[] list)
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{
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var cbItems = new List<ComboBoxItem>();
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foreach (var obj in list)
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{
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if (obj is ComboBoxItem)
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{
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var item = (ComboBoxItem)obj;
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cbItems.Add(item);
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continue;
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}
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if (obj is string)
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{
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var item = new ComboBoxItem((string)obj, null, false, null);
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cbItems.Add(item);
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continue;
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}
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if (obj is Sprite)
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{
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var item = new ComboBoxItem(null, (Sprite)obj, false, null);
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cbItems.Add(item);
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continue;
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}
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throw new Exception("Only ComboBoxItem, string and Sprite types are allowed");
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}
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var newItems = new ComboBoxItem[Items.Length + cbItems.Count];
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Items.CopyTo(newItems, 0);
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cbItems.ToArray().CopyTo(newItems, Items.Length);
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Refresh();
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Items = newItems;
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}
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public void ClearItems()
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{
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Items = new ComboBoxItem[0];
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}
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public void CreateControl()
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{
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rectTransform = GetComponent<RectTransform>();
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var buttonGO = new GameObject("Button");
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buttonGO.transform.SetParent(transform, false);
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buttonRectTransform = buttonGO.AddComponent<RectTransform>();
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buttonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, rectTransform.sizeDelta.x);
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buttonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, rectTransform.sizeDelta.y);
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buttonRectTransform.anchoredPosition = Vector2.zero;
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var comboButtonGO = new GameObject("ComboButton");
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comboButtonGO.transform.SetParent(buttonRectTransform, false);
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comboButtonRectTransform = comboButtonGO.AddComponent<RectTransform>();
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comboButtonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, buttonRectTransform.sizeDelta.x);
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comboButtonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, buttonRectTransform.sizeDelta.y);
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comboButtonRectTransform.anchoredPosition = Vector2.zero;
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var comboButtonImage = comboButtonGO.AddComponent<Image>();
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comboButtonImage.sprite = Sprite_UISprite;
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comboButtonImage.type = Image.Type.Sliced;
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var comboButtonButton = comboButtonGO.AddComponent<Button>();
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comboButtonButton.targetGraphic = comboButtonImage;
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var comboButtonColors = new ColorBlock();
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comboButtonColors.normalColor = new Color32(255, 255, 255, 255);
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comboButtonColors.highlightedColor = new Color32(245, 245, 245, 255);
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comboButtonColors.pressedColor = new Color32(200, 200, 200, 255);
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comboButtonColors.disabledColor = new Color32(200, 200, 200, 128);
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comboButtonColors.colorMultiplier = 1.0f;
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comboButtonColors.fadeDuration = 0.1f;
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comboButtonButton.colors = comboButtonColors;
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var comboArrowGO = new GameObject("Arrow");
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comboArrowGO.transform.SetParent(buttonRectTransform, false);
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var comboArrowText = comboArrowGO.AddComponent<Text>();
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comboArrowText.color = new Color32(0, 0, 0, 255);
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comboArrowText.alignment = TextAnchor.MiddleCenter;
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comboArrowText.font = Resources.GetBuiltinResource(typeof(Font), "Arial.ttf") as Font;
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comboArrowText.text = "▼";
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comboArrowRectTransform.localScale = new Vector3(1.0f, 0.5f, 1.0f);
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comboArrowRectTransform.pivot = new Vector2(1.0f, 0.5f);
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comboArrowRectTransform.anchorMin = Vector2.right;
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comboArrowRectTransform.anchorMax = Vector2.one;
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comboArrowRectTransform.anchoredPosition = Vector2.zero;
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comboArrowRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, comboButtonRectTransform.sizeDelta.y);
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comboArrowRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, comboButtonRectTransform.sizeDelta.y);
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var comboArrowCanvasGroup = comboArrowGO.AddComponent<CanvasGroup>();
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comboArrowCanvasGroup.interactable = false;
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comboArrowCanvasGroup.blocksRaycasts = false;
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var comboImageGO = new GameObject("Image");
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comboImageGO.transform.SetParent(comboButtonRectTransform, false);
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var comboImageImage = comboImageGO.AddComponent<Image>();
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comboImageImage.color = new Color32(255, 255, 255, 0);
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comboImageRectTransform.pivot = Vector2.up;
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comboImageRectTransform.anchorMin = Vector2.zero;
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comboImageRectTransform.anchorMax = Vector2.up;
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comboImageRectTransform.anchoredPosition = new Vector2(4.0f, -4.0f);
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comboImageRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, comboButtonRectTransform.sizeDelta.y - 8.0f);
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comboImageRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, comboButtonRectTransform.sizeDelta.y - 8.0f);
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var comboTextGO = new GameObject("Text");
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comboTextGO.transform.SetParent(comboButtonRectTransform, false);
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var comboTextText = comboTextGO.AddComponent<Text>();
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comboTextText.color = new Color32(0, 0, 0, 255);
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comboTextText.alignment = TextAnchor.MiddleLeft;
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comboTextText.lineSpacing = 1.2f;
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comboTextText.font = Resources.GetBuiltinResource(typeof(Font), "Arial.ttf") as Font;
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|
|
comboTextRectTransform.pivot = Vector2.up;
|
||
|
|
comboTextRectTransform.anchorMin = Vector2.zero;
|
||
|
|
comboTextRectTransform.anchorMax = Vector2.one;
|
||
|
|
comboTextRectTransform.anchoredPosition = new Vector2(10.0f, 0.0f);
|
||
|
|
comboTextRectTransform.offsetMax = new Vector2(4.0f, 0.0f);
|
||
|
|
comboTextRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, comboButtonRectTransform.sizeDelta.y);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void InitControl()
|
||
|
|
{
|
||
|
|
var cbi = transform.Find("Button/ComboButton/Image");
|
||
|
|
var cbt = transform.Find("Button/ComboButton/Text");
|
||
|
|
var cba = transform.Find("Button/Arrow");
|
||
|
|
if (cbi == null || cbt == null || cba == null)
|
||
|
|
{
|
||
|
|
foreach (Transform child in transform)
|
||
|
|
Destroy(child);
|
||
|
|
CreateControl();
|
||
|
|
}
|
||
|
|
|
||
|
|
comboButtonRectTransform.GetComponent<Button>().onClick.AddListener(() => { ToggleComboBox(false); });
|
||
|
|
var dropdownHeight = comboButtonRectTransform.sizeDelta.y * Mathf.Min(ItemsToDisplay, Items.Length - (HideFirstItem ? 1 : 0));
|
||
|
|
|
||
|
|
overlayGO = new GameObject("Overlay");
|
||
|
|
overlayGO.SetActive(false);
|
||
|
|
var overlayImage = overlayGO.AddComponent<Image>();
|
||
|
|
overlayImage.color = new Color32(0, 0, 0, 0);
|
||
|
|
var canvasTransform = transform;
|
||
|
|
while (canvasTransform.GetComponent<Canvas>() == null)
|
||
|
|
canvasTransform = canvasTransform.parent;
|
||
|
|
overlayGO.transform.SetParent(canvasTransform, false);
|
||
|
|
var overlayRectTransform = overlayGO.GetComponent<RectTransform>();
|
||
|
|
overlayRectTransform.anchorMin = Vector2.zero;
|
||
|
|
overlayRectTransform.anchorMax = Vector2.one;
|
||
|
|
overlayRectTransform.offsetMin = Vector2.zero;
|
||
|
|
overlayRectTransform.offsetMax = Vector2.zero;
|
||
|
|
overlayGO.transform.SetParent(transform, false);
|
||
|
|
var overlayButton = overlayGO.AddComponent<Button>();
|
||
|
|
overlayButton.targetGraphic = overlayImage;
|
||
|
|
overlayButton.onClick.AddListener(() => { ToggleComboBox(false); });
|
||
|
|
|
||
|
|
var scrollPanelGO = new GameObject("ScrollPanel");
|
||
|
|
var scrollPanelImage = scrollPanelGO.AddComponent<Image>();
|
||
|
|
scrollPanelImage.sprite = Sprite_UISprite;
|
||
|
|
scrollPanelImage.type = Image.Type.Sliced;
|
||
|
|
scrollPanelGO.transform.SetParent(overlayGO.transform, false);
|
||
|
|
scrollPanelRectTransfrom.pivot = new Vector2(0.5f, 1.0f);
|
||
|
|
scrollPanelRectTransfrom.anchorMin = Vector2.zero;
|
||
|
|
scrollPanelRectTransfrom.anchorMax = Vector2.one;
|
||
|
|
scrollPanelGO.transform.SetParent(transform, false);
|
||
|
|
scrollPanelRectTransfrom.anchoredPosition = new Vector2(0.0f, -comboButtonRectTransform.sizeDelta.y);
|
||
|
|
scrollPanelGO.transform.SetParent(overlayGO.transform, false);
|
||
|
|
scrollPanelRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, comboButtonRectTransform.sizeDelta.x);
|
||
|
|
scrollPanelRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, dropdownHeight);
|
||
|
|
var scrollPanelScrollRect = scrollPanelGO.AddComponent<ScrollRect>();
|
||
|
|
scrollPanelScrollRect.horizontal = false;
|
||
|
|
scrollPanelScrollRect.elasticity = 0.0f;
|
||
|
|
scrollPanelScrollRect.movementType = ScrollRect.MovementType.Clamped;
|
||
|
|
scrollPanelScrollRect.inertia = false;
|
||
|
|
scrollPanelScrollRect.scrollSensitivity = comboButtonRectTransform.sizeDelta.y;
|
||
|
|
scrollPanelGO.AddComponent<Mask>();
|
||
|
|
|
||
|
|
var scrollbarWidth = Items.Length - (HideFirstItem ? 1 : 0) > _itemsToDisplay ? _scrollbarWidth : 0.0f;
|
||
|
|
|
||
|
|
var itemsGO = new GameObject("Items");
|
||
|
|
itemsGO.transform.SetParent(scrollPanelGO.transform, false);
|
||
|
|
itemsRectTransfrom = itemsGO.AddComponent<RectTransform>();
|
||
|
|
itemsRectTransfrom.pivot = Vector2.up;
|
||
|
|
itemsRectTransfrom.anchorMin = Vector2.up;
|
||
|
|
itemsRectTransfrom.anchorMax = Vector2.one;
|
||
|
|
itemsRectTransfrom.anchoredPosition = Vector2.right;
|
||
|
|
itemsRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, scrollPanelRectTransfrom.sizeDelta.x - scrollbarWidth);
|
||
|
|
var itemsContentSizeFitter = itemsGO.AddComponent<ContentSizeFitter>();
|
||
|
|
itemsContentSizeFitter.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
|
||
|
|
itemsContentSizeFitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
|
||
|
|
var itemsGridLayoutGroup = itemsGO.AddComponent<GridLayoutGroup>();
|
||
|
|
itemsGridLayoutGroup.cellSize = new Vector2(comboButtonRectTransform.sizeDelta.x - scrollbarWidth, comboButtonRectTransform.sizeDelta.y);
|
||
|
|
itemsGridLayoutGroup.constraint = GridLayoutGroup.Constraint.FixedColumnCount;
|
||
|
|
itemsGridLayoutGroup.constraintCount = 1;
|
||
|
|
scrollPanelScrollRect.content = itemsRectTransfrom;
|
||
|
|
|
||
|
|
var scrollbarGO = new GameObject("Scrollbar");
|
||
|
|
scrollbarGO.transform.SetParent(scrollPanelGO.transform, false);
|
||
|
|
var scrollbarImage = scrollbarGO.AddComponent<Image>();
|
||
|
|
scrollbarImage.sprite = Sprite_Background;
|
||
|
|
scrollbarImage.type = Image.Type.Sliced;
|
||
|
|
var scrollbarScrollbar = scrollbarGO.AddComponent<Scrollbar>();
|
||
|
|
var scrollbarColors = new ColorBlock();
|
||
|
|
scrollbarColors.normalColor = new Color32(128, 128, 128, 128);
|
||
|
|
scrollbarColors.highlightedColor = new Color32(128, 128, 128, 178);
|
||
|
|
scrollbarColors.pressedColor = new Color32(88, 88, 88, 178);
|
||
|
|
scrollbarColors.disabledColor = new Color32(64, 64, 64, 128);
|
||
|
|
scrollbarColors.colorMultiplier = 2.0f;
|
||
|
|
scrollbarColors.fadeDuration = 0.1f;
|
||
|
|
scrollbarScrollbar.colors = scrollbarColors;
|
||
|
|
scrollPanelScrollRect.verticalScrollbar = scrollbarScrollbar;
|
||
|
|
scrollbarScrollbar.direction = Scrollbar.Direction.BottomToTop;
|
||
|
|
scrollbarRectTransfrom.pivot = Vector2.one;
|
||
|
|
scrollbarRectTransfrom.anchorMin = Vector2.one;
|
||
|
|
scrollbarRectTransfrom.anchorMax = Vector2.one;
|
||
|
|
scrollbarRectTransfrom.anchoredPosition = Vector2.zero;
|
||
|
|
scrollbarRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, scrollbarWidth);
|
||
|
|
scrollbarRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, dropdownHeight);
|
||
|
|
|
||
|
|
var slidingAreaGO = new GameObject("SlidingArea");
|
||
|
|
slidingAreaGO.transform.SetParent(scrollbarGO.transform, false);
|
||
|
|
slidingAreaRectTransform = slidingAreaGO.AddComponent<RectTransform>();
|
||
|
|
slidingAreaRectTransform.anchoredPosition = Vector2.zero;
|
||
|
|
slidingAreaRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, 0);
|
||
|
|
slidingAreaRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, dropdownHeight - scrollbarRectTransfrom.sizeDelta.x);
|
||
|
|
|
||
|
|
var handleGO = new GameObject("Handle");
|
||
|
|
handleGO.transform.SetParent(slidingAreaGO.transform, false);
|
||
|
|
var handleImage = handleGO.AddComponent<Image>();
|
||
|
|
handleImage.sprite = Sprite_UISprite;
|
||
|
|
handleImage.type = Image.Type.Sliced;
|
||
|
|
handleImage.color = new Color32(255, 255, 255, 150);
|
||
|
|
scrollbarScrollbar.targetGraphic = handleImage;
|
||
|
|
scrollbarScrollbar.handleRect = handleRectTransfrom;
|
||
|
|
handleRectTransfrom.pivot = new Vector2(0.5f, 0.5f);
|
||
|
|
handleRectTransfrom.anchorMin = new Vector2(0.5f, 0.5f);
|
||
|
|
handleRectTransfrom.anchorMax = new Vector2(0.5f, 0.5f);
|
||
|
|
handleRectTransfrom.anchoredPosition = Vector2.zero;
|
||
|
|
handleRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, scrollbarWidth);
|
||
|
|
handleRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, scrollbarWidth);
|
||
|
|
|
||
|
|
Interactable = Interactable;
|
||
|
|
|
||
|
|
if (Items.Length < 1)
|
||
|
|
return;
|
||
|
|
Refresh();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Refresh()
|
||
|
|
{
|
||
|
|
var itemsGridLayoutGroup = itemsRectTransfrom.GetComponent<GridLayoutGroup>();
|
||
|
|
var itemsLength = Items.Length - (HideFirstItem ? 1 : 0);
|
||
|
|
var dropdownHeight = comboButtonRectTransform.sizeDelta.y * Mathf.Min(_itemsToDisplay, itemsLength);
|
||
|
|
var scrollbarWidth = itemsLength > ItemsToDisplay ? _scrollbarWidth : 0.0f;
|
||
|
|
scrollPanelRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, dropdownHeight);
|
||
|
|
scrollbarRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, scrollbarWidth);
|
||
|
|
scrollbarRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, dropdownHeight);
|
||
|
|
slidingAreaRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, dropdownHeight - scrollbarRectTransfrom.sizeDelta.x);
|
||
|
|
itemsRectTransfrom.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, scrollPanelRectTransfrom.sizeDelta.x - scrollbarWidth);
|
||
|
|
itemsGridLayoutGroup.cellSize = new Vector2(comboButtonRectTransform.sizeDelta.x - scrollbarWidth, comboButtonRectTransform.sizeDelta.y);
|
||
|
|
for (var i = itemsRectTransfrom.childCount - 1; i > -1; i--)
|
||
|
|
DestroyImmediate(itemsRectTransfrom.GetChild(0).gameObject);
|
||
|
|
for (var i = 0; i < Items.Length; i++)
|
||
|
|
{
|
||
|
|
if (HideFirstItem && i == 0)
|
||
|
|
continue;
|
||
|
|
var item = Items[i];
|
||
|
|
item.OnUpdate = Refresh;
|
||
|
|
var itemTransform = Instantiate(comboButtonRectTransform) as Transform;
|
||
|
|
itemTransform.SetParent(itemsRectTransfrom, false);
|
||
|
|
itemTransform.GetComponent<Image>().sprite = null;
|
||
|
|
var itemText = itemTransform.Find("Text").GetComponent<Text>();
|
||
|
|
itemText.text = item.Caption;
|
||
|
|
if (item.IsDisabled)
|
||
|
|
itemText.color = new Color32(174, 174, 174, 255);
|
||
|
|
var itemImage = itemTransform.Find("Image").GetComponent<Image>();
|
||
|
|
itemImage.sprite = item.Image;
|
||
|
|
itemImage.color = item.Image == null ? new Color32(255, 255, 255, 0) : item.IsDisabled ? new Color32(255, 255, 255, 147) : new Color32(255, 255, 255, 255);
|
||
|
|
var itemButton = itemTransform.GetComponent<Button>();
|
||
|
|
itemButton.interactable = !item.IsDisabled;
|
||
|
|
var index = i;
|
||
|
|
itemButton.onClick.AddListener(
|
||
|
|
delegate()
|
||
|
|
{
|
||
|
|
OnItemClicked(index);
|
||
|
|
if (item.OnSelect != null)
|
||
|
|
item.OnSelect();
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
RefreshSelected();
|
||
|
|
UpdateComboBoxImages();
|
||
|
|
UpdateGraphics();
|
||
|
|
FixScrollOffset();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void RefreshSelected()
|
||
|
|
{
|
||
|
|
var comboButtonImage = comboImageRectTransform.GetComponent<Image>();
|
||
|
|
var item = SelectedIndex > -1 && SelectedIndex < Items.Length ? Items[SelectedIndex] : null;
|
||
|
|
var includeImage = item != null && item.Image != null;
|
||
|
|
comboButtonImage.sprite = includeImage ? item.Image : null;
|
||
|
|
var comboButtonButton = comboButtonRectTransform.GetComponent<Button>();
|
||
|
|
comboButtonImage.color = includeImage ? (Interactable ? comboButtonButton.colors.normalColor : comboButtonButton.colors.disabledColor) : new Color(1.0f, 1.0f, 1.0f, 0);
|
||
|
|
UpdateComboBoxImage(comboButtonRectTransform, includeImage);
|
||
|
|
comboTextRectTransform.GetComponent<Text>().text = item != null ? item.Caption : "";
|
||
|
|
if (!Application.isPlaying)
|
||
|
|
return;
|
||
|
|
var i = 0;
|
||
|
|
foreach (Transform child in itemsRectTransfrom)
|
||
|
|
{
|
||
|
|
comboButtonImage = child.GetComponent<Image>();
|
||
|
|
comboButtonImage.color = SelectedIndex == i + (HideFirstItem ? 1 : 0) ? comboButtonButton.colors.highlightedColor : comboButtonButton.colors.normalColor;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void UpdateComboBoxImages()
|
||
|
|
{
|
||
|
|
var includeImages = false;
|
||
|
|
foreach (var item in Items)
|
||
|
|
{
|
||
|
|
if (item.Image != null)
|
||
|
|
{
|
||
|
|
includeImages = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
foreach (Transform child in itemsRectTransfrom)
|
||
|
|
UpdateComboBoxImage(child, includeImages);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void UpdateComboBoxImage(Transform comboButton, bool includeImage)
|
||
|
|
{
|
||
|
|
comboButton.Find("Text").GetComponent<RectTransform>().offsetMin = Vector2.right * (includeImage ? comboImageRectTransform.rect.width + 8.0f : 10.0f);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void FixScrollOffset()
|
||
|
|
{
|
||
|
|
var selectedIndex = SelectedIndex + (HideFirstItem ? 1 : 0);
|
||
|
|
if (selectedIndex < scrollOffset)
|
||
|
|
scrollOffset = selectedIndex;
|
||
|
|
else
|
||
|
|
if (selectedIndex > scrollOffset + ItemsToDisplay - 1)
|
||
|
|
scrollOffset = selectedIndex - ItemsToDisplay + 1;
|
||
|
|
var itemsCount = Items.Length - (HideFirstItem ? 1 : 0);
|
||
|
|
if (scrollOffset > itemsCount - ItemsToDisplay)
|
||
|
|
scrollOffset = itemsCount - ItemsToDisplay;
|
||
|
|
if (scrollOffset < 0)
|
||
|
|
scrollOffset = 0;
|
||
|
|
itemsRectTransfrom.anchoredPosition = new Vector2(0.0f, scrollOffset * rectTransform.sizeDelta.y);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void ToggleComboBox(bool directClick)
|
||
|
|
{
|
||
|
|
overlayGO.SetActive(!overlayGO.activeSelf);
|
||
|
|
if (overlayGO.activeSelf)
|
||
|
|
{
|
||
|
|
var curTransform = transform;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
curTransform.SetAsLastSibling();
|
||
|
|
}
|
||
|
|
while ((curTransform = curTransform.parent) != null);
|
||
|
|
FixScrollOffset();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (directClick)
|
||
|
|
scrollOffset = (int)Mathf.Round(itemsRectTransfrom.anchoredPosition.y / rectTransform.sizeDelta.y);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void UpdateGraphics()
|
||
|
|
{
|
||
|
|
if (overlayGO != null)
|
||
|
|
{
|
||
|
|
var scrollbarWidth = Items.Length - (HideFirstItem ? 1 : 0) > ItemsToDisplay ? _scrollbarWidth : 0.0f;
|
||
|
|
handleRectTransfrom.offsetMin = -scrollbarWidth / 2 * Vector2.one;
|
||
|
|
handleRectTransfrom.offsetMax = scrollbarWidth / 2 * Vector2.one;
|
||
|
|
}
|
||
|
|
if (rectTransform.sizeDelta != buttonRectTransform.sizeDelta && buttonRectTransform.sizeDelta == comboButtonRectTransform.sizeDelta)
|
||
|
|
{
|
||
|
|
buttonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, rectTransform.sizeDelta.x);
|
||
|
|
buttonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, rectTransform.sizeDelta.y);
|
||
|
|
comboButtonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, rectTransform.sizeDelta.x);
|
||
|
|
comboButtonRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, rectTransform.sizeDelta.y);
|
||
|
|
comboArrowRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, rectTransform.sizeDelta.y);
|
||
|
|
comboImageRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, comboImageRectTransform.rect.height);
|
||
|
|
comboTextRectTransform.offsetMax = new Vector2(4.0f, 0.0f);
|
||
|
|
if (overlayGO == null)
|
||
|
|
return;
|
||
|
|
scrollPanelRectTransfrom.SetParent(transform, false);
|
||
|
|
scrollPanelRectTransfrom.anchoredPosition = new Vector2(0.0f, -comboButtonRectTransform.sizeDelta.y);
|
||
|
|
scrollPanelRectTransfrom.SetParent(overlayGO.transform, false);
|
||
|
|
scrollPanelRectTransfrom.GetComponent<ScrollRect>().scrollSensitivity = comboButtonRectTransform.sizeDelta.y;
|
||
|
|
UpdateComboBoxImage(comboButtonRectTransform, Items[SelectedIndex].Image != null);
|
||
|
|
Refresh();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|