DotNet 4.8.1 build of DotNetBar
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267
PROMS/DotNetBar Source Code/Ribbon/CaptionItemContainer.cs
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267
PROMS/DotNetBar Source Code/Ribbon/CaptionItemContainer.cs
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using System;
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using System.Text;
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using System.Drawing;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Defines container for ribbon caption layout and quick access toolbar customization and overflow.
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/// </summary>
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internal class CaptionItemContainer : GenericItemContainer
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{
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#region Private Variables
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private int m_MinTitleSize = 40;
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private int m_MoreItemsLeft = 0;
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private CustomizeItem m_CustomizeItem = null;
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private int m_MaxItemHeight = 0;
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#endregion
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#region Constructor
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public CaptionItemContainer():base()
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{
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this.FirstItemSpacing = 3;
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this.ToolbarItemsAlign = eContainerVerticalAlignment.Top;
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}
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#endregion
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#region Layout
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public override void RecalcSize()
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{
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if (m_MoreItems != null && m_MoreItems.Expanded)
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m_MoreItems.Expanded = false;
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m_RecalculatingSize = true;
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int width = m_MinTitleSize;
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if (this.ContainerControl is Ribbon.QatToolbar)
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width = 0;
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int count = this.SubItems.Count;
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int firstFarIndex = -1;
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int maxHeight = 0;
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int maxItemHeight = 0;
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int moreItemsHeight = Dpi.Height22;
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bool hasQatCustomizeItem = false;
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for (int i = 0; i < count; i++)
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{
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BaseItem item = this.SubItems[i];
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if (!item.Visible)
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continue;
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item.RecalcSize();
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item.Displayed = true;
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width += (item.WidthInternal + (i==0?this.FirstItemSpacing:m_ItemSpacing));
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if (item.ItemAlignment == eItemAlignment.Far && firstFarIndex == -1)
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firstFarIndex = i;
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if (firstFarIndex == -1)
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moreItemsHeight = item.HeightInternal;
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if (item.HeightInternal > maxHeight)
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maxHeight = item.HeightInternal;
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if (item.HeightInternal > maxItemHeight && !(item is ApplicationButton || item is SystemCaptionItem))
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maxItemHeight = item.HeightInternal;
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if (item is QatCustomizeItem || item is QatOverflowItem)
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hasQatCustomizeItem = true;
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}
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if (hasQatCustomizeItem)
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width += maxHeight / 2;
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m_MaxItemHeight = maxItemHeight;
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if (width < this.WidthInternal)
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{
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m_RecalculatingSize = false;
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base.RecalcSize();
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return;
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}
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if (firstFarIndex == -1)
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firstFarIndex = this.SubItems.Count;
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for (int i = firstFarIndex - 1; i >= 0; i--)
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{
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BaseItem item = this.SubItems[i];
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if (!item.Visible)
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continue;
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width -= item.WidthInternal;
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item.Displayed = false;
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if (width + DisplayMoreItem.FixedSize + maxHeight/2 < this.WidthInternal)
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break;
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}
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int x = this.LeftInternal + m_PaddingLeft;
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int y = this.TopInternal + m_PaddingTop;
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int loopTo = count;
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if (firstFarIndex >= 0)
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loopTo = firstFarIndex - 1;
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bool oneNearVisible = false;
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for (int i = 0; i < loopTo; i++)
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{
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BaseItem item = this.SubItems[i];
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if (!item.Visible || !item.Displayed)
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continue;
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oneNearVisible = true;
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Rectangle rb = new Rectangle(x, y, item.WidthInternal, item.HeightInternal);
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if (!(item is ApplicationButton || item is SystemCaptionItem))
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rb.Y += (maxItemHeight - item.HeightInternal) / 2;
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item.Bounds = rb;
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x += (item.WidthInternal + (i == 0 ? this.FirstItemSpacing : m_ItemSpacing));
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}
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m_MoreItemsLeft = x + maxHeight/2;
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if (firstFarIndex >= 0)
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{
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x = this.DisplayRectangle.Right - m_PaddingRight;
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for (int i = count - 1; i >= firstFarIndex; i--)
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{
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BaseItem item = this.SubItems[i];
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if (!item.Visible || !item.Displayed)
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continue;
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x -= item.WidthInternal;
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item.Bounds = new Rectangle(x, y, item.WidthInternal, item.HeightInternal);
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x -= m_ItemSpacing;
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}
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}
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m_Rect.Height = maxHeight + m_PaddingTop + m_PaddingBottom;
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if (oneNearVisible)
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{
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// Add Display More item...
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CreateMoreItemsButton(this.IsRightToLeft);
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m_MoreItems.HeightInternal = moreItemsHeight;
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m_MoreItems.RecalcSize();
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}
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else if(m_MoreItems!=null)
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{
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// Clean up, we don't need this anymore
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m_MoreItems.Dispose();
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m_MoreItems = null;
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}
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m_NeedRecalcSize = false;
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m_RecalculatingSize = false;
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}
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protected override int GetItemLayoutWidth(BaseItem objItem)
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{
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if (objItem is QatCustomizeItem || objItem is QatOverflowItem)
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return objItem.WidthInternal + this.HeightInternal / 2;
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return base.GetItemLayoutWidth(objItem);
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}
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protected override int GetItemLayoutX(BaseItem objItem, int iX)
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{
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if (objItem is QatCustomizeItem || objItem is QatOverflowItem)
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return iX + this.HeightInternal / 2;
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return base.GetItemLayoutX(objItem, iX);
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}
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protected override int GetItemLayoutY(BaseItem objItem, int iY)
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{
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if (!(objItem is ApplicationButton || objItem is SystemCaptionItem || objItem is DevComponents.DotNetBar.Metro.MetroAppButton))
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return iY + (m_MaxItemHeight - objItem.HeightInternal) / 2;
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return base.GetItemLayoutY(objItem, iY);
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}
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internal int MaxItemHeight
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{
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get
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{
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return m_MaxItemHeight;
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}
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}
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protected override Point GetMoreItemsLocation(bool isRightToLeft)
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{
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if (m_MoreItems == null)
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return Point.Empty;
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Point p = Point.Empty;
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if (m_Orientation == eOrientation.Vertical)
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{
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p.X = m_Rect.Left + m_PaddingLeft;
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p.Y = m_MoreItemsLeft;
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}
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else
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{
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if (isRightToLeft)
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p.X = m_Rect.X + m_PaddingLeft;
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else
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p.X = m_MoreItemsLeft;
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p.Y = m_Rect.Top + m_PaddingTop;
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}
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return p;
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}
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protected override void CreateMoreItemsButton(bool isRightToLeft)
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{
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if (m_MoreItems == null)
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{
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m_MoreItems = new QatOverflowItem();
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m_MoreItems.Style = m_Style;
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m_MoreItems.SetParent(this);
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m_MoreItems.ThemeAware = this.ThemeAware;
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}
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if (this.MoreItemsOnMenu)
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m_MoreItems.PopupType = ePopupType.Menu;
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else
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m_MoreItems.PopupType = ePopupType.ToolBar;
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m_MoreItems.Orientation = m_Orientation;
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m_MoreItems.Displayed = true;
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if (m_Orientation == eOrientation.Vertical)
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{
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m_MoreItems.WidthInternal = m_Rect.Width - (m_PaddingLeft + m_PaddingRight);
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m_MoreItems.RecalcSize();
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}
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else
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{
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m_MoreItems.HeightInternal = m_Rect.Height - (m_PaddingTop + m_PaddingBottom);
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m_MoreItems.RecalcSize();
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}
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Point loc = GetMoreItemsLocation(isRightToLeft);
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m_MoreItems.LeftInternal = loc.X;
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m_MoreItems.TopInternal = loc.Y;
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}
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#endregion
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#region Internal Implementation
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protected internal override void OnItemAdded(BaseItem objItem)
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{
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base.OnItemAdded(objItem);
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BaseItem item = objItem;
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if (item is CustomizeItem)
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m_CustomizeItem = (CustomizeItem)item;
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else if (m_CustomizeItem != null)
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{
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bool added = false;
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if(this.SubItems.Contains(m_CustomizeItem))
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this.SubItems._Remove(m_CustomizeItem);
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for (int i = this.SubItems.Count - 1; i > 0; i--)
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{
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if (this.SubItems[i].ItemAlignment == eItemAlignment.Near && !(this.SubItems[i] is SystemCaptionItem))
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{
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this.SubItems._Add(m_CustomizeItem, i+1);
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added = true;
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break;
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}
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}
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if (!added)
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{
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if (this.SubItems.Count > 0 && this.SubItems[this.SubItems.Count - 1] is SystemCaptionItem)
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this.SubItems._Add(m_CustomizeItem, this.SubItems.Count - 2);
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else
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this.SubItems._Add(m_CustomizeItem);
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}
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}
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}
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protected internal override void OnAfterItemRemoved(BaseItem objItem, int itemIndex)
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{
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if (objItem == m_CustomizeItem)
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m_CustomizeItem = null;
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base.OnAfterItemRemoved(objItem, itemIndex);
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}
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#endregion
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}
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}
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