114 lines
3.4 KiB
C#
114 lines
3.4 KiB
C#
using System;
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using System.Text;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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#if AdvTree
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namespace DevComponents.Tree.TextMarkup
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#elif DOTNETBAR
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using DevComponents.UI.ContentManager;
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namespace DevComponents.DotNetBar.TextMarkup
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#elif SUPERGRID
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namespace DevComponents.SuperGrid.TextMarkup
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#elif LAYOUT
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namespace DevComponents.DotNetBar.Layout.TextMarkup
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#endif
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{
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internal class ContainerElement : MarkupElement
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{
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#region Private Variables
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private SerialContentLayoutManager m_Layout = null;
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private MarkupLayoutManager m_MarkupLayout = null;
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#endregion
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#region Internal Implementation
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public override void Measure(Size availableSize, MarkupDrawContext d)
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{
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ArrangeInternal(new Rectangle(Point.Empty, availableSize), d);
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}
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protected virtual SerialContentLayoutManager GetLayoutManager(bool mutliLine)
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{
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if (m_Layout == null)
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{
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m_Layout = new SerialContentLayoutManager();
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m_Layout.MultiLine = mutliLine;
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m_Layout.ContentVerticalAlignment = eContentVerticalAlignment.Top;
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m_Layout.BlockLineAlignment = eContentVerticalAlignment.Top;
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m_Layout.BlockSpacing = 0;
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}
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m_Layout.EvenHeight = true;
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return m_Layout;
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}
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private MarkupLayoutManager GetMarkupLayout()
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{
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if (m_MarkupLayout == null)
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{
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m_MarkupLayout = new MarkupLayoutManager();
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}
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return m_MarkupLayout;
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}
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public override void Render(MarkupDrawContext d)
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{
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Point offset = this.GetContainerOffset();
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d.Offset.Offset(offset.X, offset.Y);
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try
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{
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foreach (MarkupElement e in this.Elements)
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{
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e.Render(d);
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}
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}
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finally
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{
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d.Offset.Offset(-offset.X, -offset.Y);
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}
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}
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protected virtual Point GetContainerOffset()
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{
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return this.Bounds.Location;
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}
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protected override void ArrangeCore(Rectangle finalRect, MarkupDrawContext d)
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{
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this.Bounds = finalRect;
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ArrangeInternal(finalRect, d);
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}
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protected virtual void ArrangeInternal(Rectangle bounds, MarkupDrawContext d)
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{
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SerialContentLayoutManager layout = GetLayoutManager(d.AllowMultiLine);
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layout.RightToLeft = d.RightToLeft;
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MarkupLayoutManager markupLayout = GetMarkupLayout();
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markupLayout.MarkupDrawContext = d;
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try
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{
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MarkupElement[] blocks = new MarkupElement[this.Elements.Count];
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this.Elements.CopyTo(blocks);
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Rectangle r = layout.Layout(new Rectangle(Point.Empty, bounds.Size), blocks, markupLayout);
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this.Bounds = new Rectangle(bounds.Location, r.Size);
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}
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finally
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{
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markupLayout.MarkupDrawContext = null;
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}
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}
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/// <summary>
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/// Returns whether markup element is an block element that always consumes a whole line in layout.
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/// </summary>
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public override bool IsBlockElement
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{
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get { return true; }
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}
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#endregion
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}
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}
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