SCR_ImageGalleryComponent.c

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//------------------------------------------------------------------------------------------------
class SCR_ImageGalleryComponent : ScriptedWidgetComponent
{
    [Attribute("", UIWidgets.ResourceAssignArray, "")]
    protected ref array<ref ResourceName> m_aResourceNames;
    
    protected ref array<ref SCR_ImageGalleryButtonComponent> m_aImages = new array <ref SCR_ImageGalleryButtonComponent>;
    
    private Widget m_wPagingSpinbox;
    private SCR_SpinBoxPagingComponent m_wPagingSpinboxComponent;
    
    
    //[Attribute(defvalue: "", desc: "When the texture is an image set, define the quad name here")]
    //private string m_sImageName;
    
    protected ref array<Widget> m_aElementWidgets = new array<Widget>();
    protected SCR_ImageGalleryButtonComponent m_SelectedItem;
    
    //protected ScrollLayoutWidget m_wScrollLayout;
    
    Widget m_wRoot;
    
    Widget m_wGalleryGrid;
    
    protected int m_iSelectedItemIndex;
    protected ImageWidget m_MainImage;
    
    protected WorkspaceWidget m_Workspace;
    protected bool m_bItemSelected = false;
    
    protected const ResourceName LAYOUT_GALLERY_ELEMENT = "{F7C52551E0B04BE1}UI/layouts/WidgetLibrary/ImageWidgets/WLib_ImageGalleryItem.layout";
    
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
        m_wRoot = w;
        Init();
    }
    
    //------------------------------------------------------------------------------------------------
    void Init()
    {
        if (!m_wRoot)
            return;
        
        m_wGalleryGrid = m_wRoot.FindAnyWidget("GalleryGrid");
        m_MainImage = ImageWidget.Cast(m_wRoot.FindAnyWidget("MainImage"));
        m_wPagingSpinbox = m_wRoot.FindAnyWidget("PagingSpinbox");
        if (m_wPagingSpinbox)
        {
            m_wPagingSpinboxComponent = SCR_SpinBoxPagingComponent.Cast(m_wPagingSpinbox.FindHandler(SCR_SpinBoxPagingComponent));
            
            if (m_wPagingSpinboxComponent)
                m_wPagingSpinboxComponent.m_OnChanged.Insert(Paging);
        }
        m_Workspace = GetGame().GetWorkspace();
        
        if (!m_Workspace)
            return;
        
        if (!m_aResourceNames)
            return;
        
 
        SetPagingLayout(0, m_aResourceNames.Count());
        
        /*
        foreach (ResourceName content : m_aResourceNames)
        {
            // Create tab button
            Widget button = m_Workspace.CreateWidgets(LAYOUT_GALLERY_ELEMENT, m_wGalleryGrid);
            
            if (!button)
                continue;
            
            SCR_ImageGalleryButtonComponent galleryButtonComponent = SCR_ImageGalleryButtonComponent.Cast(button.FindHandler(SCR_ImageGalleryButtonComponent));
            
            if (!galleryButtonComponent)
                continue;
            
            galleryButtonComponent.SetImage(content);
            galleryButtonComponent.m_OnClicked.Insert(OnImageSelected);
            HorizontalLayoutSlot.SetPadding(button, 4, 4, 4, 4);
            m_aImages.Insert(galleryButtonComponent);
            if (!m_aImages.IsEmpty() && !m_bItemSelected)
                OnImageSelected(m_aImages[0]);
 
        }
        */
        
    
    }
    
    //------------------------------------------------------------------------------------------------
    int AddItem(string item)
    {
        int i = -1;
        if (!m_aResourceNames)
            m_aResourceNames = new array<ref ResourceName>;
        
        i = m_aResourceNames.InsertAt(item, 0);
        
        
        SetPagingLayout(0, m_aResourceNames.Count());
        return i;
    }
    
        //------------------------------------------------------------------------------------------------
    void RemoveItem(int item)
    {
        if (!m_aResourceNames || item < 0 || item > m_aResourceNames.Count())
            return;
 
        //m_aElementWidgets[item].RemoveFromHierarchy();
        m_aResourceNames.Remove(item);
        SetPagingLayout(0, m_aResourceNames.Count());
        //m_iSelectedItemIndex = -1;
        
    }
 
    //------------------------------------------------------------------------------------------------
    int GetCurrentIndex()
    {
        return m_iSelectedItemIndex;
    }
    
    //------------------------------------------------------------------------------------------------
    string GetCurrentItem()
    {
        if (!m_aResourceNames || m_iSelectedItemIndex < 0 || m_iSelectedItemIndex >= m_aResourceNames.Count())
            return string.Empty;
        
        return m_aResourceNames[m_iSelectedItemIndex];
    }
    
    //------------------------------------------------------------------------------------------------
    void OnImageSelected(string item)
    {
            m_MainImage.LoadImageTexture(0,item, false, true);
    }
    
    //------------------------------------------------------------------------------------------------
    void SetPagingLayout(int index, int maxIndex)
    {
        
        m_wPagingSpinboxComponent.SetCurrentItem(index);
        m_wPagingSpinboxComponent.SetPageCount(maxIndex);
        if (m_aResourceNames && !m_aResourceNames.IsEmpty())
            OnImageSelected(m_aResourceNames[0]);
    }
    
    //------------------------------------------------------------------------------------------------
    void Paging()
    {
        if (!m_aResourceNames.IsEmpty())
        OnImageSelected(m_aResourceNames[m_wPagingSpinboxComponent.GetCurrentIndex()]);
    }
    
    void SetCanNavigate(bool canNavigate)
    {
        m_wPagingSpinboxComponent.SetCanNavigate(canNavigate);
    }
    
    
    
    
};