/// <summary>
/// Allows to set all rect transform values at once.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="pivotAndAnchor"></param>
public void SetRTransformValues(float x, float y, float width, float height, Vector2 pivotAndAnchor)
{
RTransform.anchoredPosition = new Vector2(x, y);
RTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, width);
RTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, height);
Pivot = AnchorMin = AnchorMax = pivotAndAnchor;
}
public void UpdateUI()
{
Clear();
int buttonObjectCount = Mathf.Min(m_pageCount, m_maxPageBtnCount);
// the rect width is prev btn width + next btn width + page btn width * page count
float width = GetWidth(m_previousButton) + GetWidth(m_nextButton) + (GetWidth(m_pageButton) * buttonObjectCount);
RTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, width);
// calculate the range of the shown buttons
int idealOffsetMin = Mathf.Max(0, m_selectedPage - m_maxPageBtnCount);
int idealOffsetMax = Mathf.Max(0, Mathf.Min(m_pageCount - m_maxPageBtnCount, m_selectedPage - 1));
if (idealOffsetMin - 1 >= m_offset)
{
m_offset = idealOffsetMin;
}
else if (idealOffsetMax + 1 <= m_offset)
{
m_offset = idealOffsetMax;
}
// create page buttons
SetText(m_pageButton, (1 + m_offset).ToString());
SetOnClick(m_pageButton, 1 + m_offset);
for (int pageNumber = 2; pageNumber <= buttonObjectCount; pageNumber++)
{
Button pageBtn = (Button)Instantiate(m_pageButton);
RectTransform rTransform = pageBtn.GetComponent <RectTransform>();
rTransform.SetParent(PageButtonTransform.parent, true);
rTransform.localScale = PageButtonTransform.localScale;
rTransform.localPosition = PageButtonTransform.localPosition + Vector3.right * (pageNumber - 1) * GetWidth(m_pageButton);
SetText(pageBtn, (pageNumber + m_offset).ToString());
SetOnClick(pageBtn, pageNumber + m_offset);
m_pageButtons.Add(pageBtn);
}
// highlight selected button
for (int i = 0; i < m_pageButtons.Count; i++)
{
int pageNumber = i + 1 + m_offset;
m_pageButtons[i].enabled = pageNumber != m_selectedPage;
}
// correct position of next button
if (m_nextButton != null)
{
m_nextButton.GetComponent <RectTransform>().localPosition = PageButtonTransform.localPosition + Vector3.right * buttonObjectCount * GetWidth(m_pageButton);
}
}
/// <summary>
/// Sets the width and height of the view.
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
public void SetSize(float width, float height)
{
RTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, width);
RTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, height);
}
public void SetTextures(Texture2D[] p_textures, int p_selectedIndex)
{
if (m_texturePrefab != null)
{
m_textures = p_textures;
// delete all existing texture instances
Destroy(m_selectionInstance);
for (int i = 0; i < m_instances.Length; i++)
{
Destroy(m_instances[i]);
}
// create new texture prefab instances
m_instances = new GameObject[p_textures.Length];
float maxX = 0;
for (int i = 0; i < p_textures.Length; i++)
{
// instantiate texture prefab
m_instances[i] = (GameObject)Instantiate(m_texturePrefab);
RectTransform instanceTransform = m_instances[i].GetComponent <RectTransform>();
m_elementSize = instanceTransform.rect.width;
SetRectTransformPosition(instanceTransform, i, m_elementSize);
// apply texture
RawImage image = TryFindComponent <RawImage>(m_instances[i]);
if (image != null)
{
image.texture = p_textures[i];
}
else
{
Debug.LogError("uMyGUI_TexturePicker: SetTextures: TexturePrefab must have a RawImage component attached (can be in children).");
}
// link button callback
if (m_buttonCallback != null)
{
Button btn = TryFindComponent <Button>(m_instances[i]);
if (btn != null)
{
int indexCopy = i;
btn.onClick.AddListener(() => { m_buttonCallback(indexCopy); });
}
}
// calculate max x position to resize this rect transform
maxX = instanceTransform.anchoredPosition.x + m_elementSize;
// add selection prefab if needed
if (i == p_selectedIndex)
{
if (m_selectionPrefab != null)
{
// instantiate selection prefab
m_selectionInstance = (GameObject)Instantiate(m_selectionPrefab);
SetRectTransformPosition(m_selectionInstance.GetComponent <RectTransform>(), i, m_elementSize);
}
else
{
Debug.LogError("uMyGUI_TexturePicker: SetTextures: you have passed a non negative selection index '" + p_selectedIndex + "', but the SelectionPrefab was not provided in the inspector or via script!");
}
}
}
// resize rect transform (e.g. to allow scrolling if scroll rect is the parent)
RTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, maxX - RTransform.rect.xMin + m_offsetEnd);
}
else
{
Debug.LogError("uMyGUI_TexturePicker: SetTextures: you must provide the TexturePrefab in the inspector or via script!");
}
}