SCR_BaseToolbarEditorUIComponent.c

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//#define TOOLBAR_DEBUG
 
 
class SCR_BaseToolbarEditorUIComponent : SCR_DialogEditorUIComponent
{
    protected static const int EMPTY_Z_ORDER = int.MAX;
    
    [Attribute(params: "layout")]
    protected ResourceName m_ItemLayout;
    
    [Attribute("-1", desc: "When >= 0, it will hide parent when there are no items.\n0 means this widget will be hidden, 1 means its parent will, etc.")]
    protected int m_iHideParentIndexWhenEmpty;
    
    [Attribute(desc: "When defined, toolbar will be hidden when empty and widget with this name on the level defined by 'Hide Parent Index When Empty' will be shown instead.")]
    protected string m_sEmptyWidgetName;
    
    [Attribute()]
    protected string m_sItemsWidgetName;
    
    protected SCR_ExternalPaginationUIComponent m_Pagination;
    protected Widget m_ItemsWidget;
    protected Widget m_HideWidget;
    protected int m_iFirstShownIndex;
    protected int m_iFocusedIndex;
    protected int m_iItemsCount;
    protected int m_iPage;
    protected bool m_bIsUnderCursor;
    
    //------------------------------------------------------------------------------------------------
    bool IsUnderCursor()
    {
        return m_bIsUnderCursor || !GetGame().GetInputManager().IsUsingMouseAndKeyboard();
    }
 
    //------------------------------------------------------------------------------------------------
    protected bool CreateItem(out Widget itemWidget, out SCR_BaseToolbarItemEditorUIComponent toolbarItem)
    {
        if (m_ItemsWidget)
        {
            itemWidget = GetGame().GetWorkspace().CreateWidgets(m_ItemLayout, m_ItemsWidget);
            if (!itemWidget)
                return false;
            
#ifdef TOOLBAR_DEBUG
            itemWidget.SetName(string.Format("%1_%2", itemWidget.GetName(), m_iItemsCount));
            TextWidget debugText = TextWidget.Cast(itemWidget.FindAnyWidget("Debug"));
            if (debugText)
            {
                debugText.SetVisible(true);
                debugText.SetText(m_iItemsCount.ToString());
            }
#endif
 
            toolbarItem = SCR_BaseToolbarItemEditorUIComponent.Cast(itemWidget.FindHandler(SCR_BaseToolbarItemEditorUIComponent));
            if (!toolbarItem) 
            {
                Print(string.Format("'%1' must contain SCR_BaseToolbarItemEditorUIComponent!", m_ItemLayout), LogLevel.WARNING);
                itemWidget.RemoveFromHierarchy();
                return false;
            }
            
            toolbarItem.InitToolbarItem(itemWidget);
            m_iItemsCount++;
            AllowFocus(itemWidget);
            
            return true;
        }
        else
        {
            return false;
        }
    }
 
    //------------------------------------------------------------------------------------------------
    protected void DeleteAllItems()
    {
        Widget deletedChild, child = m_ItemsWidget.GetChildren();
        while (child)
        {
            deletedChild = child;
            child = child.GetSibling(); //--- Get sibling before removing the child from hierarchy
            deletedChild.RemoveFromHierarchy();
        }
        m_iItemsCount = 0;
    }
 
    //------------------------------------------------------------------------------------------------
    protected void SetToolbarVisible(bool show)
    {
        if (!m_HideWidget && m_iHideParentIndexWhenEmpty >= 0)
        {
            m_HideWidget = GetWidget();
            for (int i = 0; i < m_iHideParentIndexWhenEmpty; i++)
            {
                if (m_HideWidget)
                    m_HideWidget = m_HideWidget.GetParent();
                else
                    break;
            }
        }
 
        if (m_HideWidget)
        {
            m_HideWidget.SetVisible(show);
            
            if (m_sEmptyWidgetName)
            {
                Widget emptyWidget = m_HideWidget.GetParent().FindWidget(m_sEmptyWidgetName);
                if (emptyWidget)
                    emptyWidget.SetVisible(!show);
            }
        }
    }
 
    //------------------------------------------------------------------------------------------------
    protected void ShowEntries(Widget contentWidget, int indexStart, int indexEnd)
    {
    }
 
    //------------------------------------------------------------------------------------------------
    protected void Refresh()
    {
        bool hasContent;
        if (m_Pagination)
        {
            hasContent = m_Pagination.RefreshPage();
        }
        else
        {
            DeleteAllItems();
            ShowEntries(m_ItemsWidget, 0, int.MAX);
            hasContent = m_ItemsWidget.GetChildren() != null;
        }
        
        SetToolbarVisible(hasContent);
    }
 
    //------------------------------------------------------------------------------------------------
    void MarkForRefresh()
    {
        GetGame().GetCallqueue().Remove(Refresh); //--- Remove the previous queued call, to guarantee there will be the only one
        GetGame().GetCallqueue().CallLater(Refresh, 1); //--- Call with a delay, in case whatever called this is not ready yet and the toolbar would reflect incorrect state
    }
 
    //------------------------------------------------------------------------------------------------
    protected void OnPageChanged(int page)
    {
        m_iPage = page;
    }
 
    //------------------------------------------------------------------------------------------------
    protected void CopyPage(SCR_DialogEditorUIComponent linkedComponent)
    {
        if (m_Pagination)
        {
            SCR_BaseToolbarEditorUIComponent toolbar = SCR_BaseToolbarEditorUIComponent.Cast(linkedComponent);
            //m_Pagination.SetPage(toolbar.m_Pagination.GetCurrentPage()); //--- Unreliable, pagination component can de-initialize before this one
            m_Pagination.SetPage(toolbar.m_iPage);
        }
    }
    
    //------------------------------------------------------------------------------------------------
    override protected bool CanOpenDialog()
    {
        if (m_HideWidget)
            return m_HideWidget.IsVisible();
        else
            return super.CanOpenDialog();
    }
 
    //------------------------------------------------------------------------------------------------
    override protected void OnDialogOpened(SCR_DialogEditorUIComponent linkedComponent)
    {
        CopyPage(linkedComponent);
    }
 
    //------------------------------------------------------------------------------------------------
    override protected void OnDialogClosed(SCR_DialogEditorUIComponent linkedComponent)
    {
        CopyPage(linkedComponent);
    }
 
//  //------------------------------------------------------------------------------------------------
//  override void OnInputDeviceUserChanged(EInputDeviceType oldDevice, EInputDeviceType newDevice)
//  {
//      if (SCR_Global.IsChangedMouseAndKeyboard(oldDevice, newDevice))
//          return;
//
//      super.OnInputDeviceUserChanged(oldDevice, newDevice);
//      //if (!m_bIsInDialog) Refresh();
//  }
 
    //------------------------------------------------------------------------------------------------
    override bool OnMouseEnter(Widget w, int x, int y)
    {
        m_bIsUnderCursor = true;
        super.OnMouseEnter(w, x, y);
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    override bool OnMouseLeave(Widget w, Widget enterW, int x, int y)
    {
        m_bIsUnderCursor = false;
        super.OnMouseLeave(w, enterW, x, y);
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    override void HandlerAttachedScripted(Widget w)
    {
        super.HandlerAttachedScripted(w);
        
        m_Pagination = SCR_ExternalPaginationUIComponent.Cast(w.FindHandler(SCR_ExternalPaginationUIComponent));
        if (m_Pagination)
        {
            m_Pagination.GetOnShowEntries().Insert(ShowEntries);
            m_Pagination.GetOnPageChanged().Insert(OnPageChanged);
        }
        
        Refresh();
    }
 
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
        
        m_ItemsWidget = w.FindAnyWidget(m_sItemsWidgetName);
        if (!m_ItemsWidget)
        {
            Print(string.Format("m_ItemsWidget '%1' not found!", m_sItemsWidgetName), LogLevel.WARNING);
            return;
        }
        
        SetToolbarVisible(false);
        
        DiagMenu.RegisterRange(SCR_DebugMenuID.DEBUGUI_EDITOR_GUI_TOOLBAR_FILL, "", "Duplicate Toolbar Items", "Editor GUI", "0, 24, 0, 1");        
    }
}