Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Design / SequentialWorkflowHeaderFooter.cs / 1305376 / SequentialWorkflowHeaderFooter.cs
#pragma warning disable 1634, 1691 namespace System.Workflow.ComponentModel.Design { using System; using System.IO; using System.Drawing; using System.CodeDom; using System.Diagnostics; using System.Collections; using System.Collections.Generic; using System.Windows.Forms; using System.ComponentModel; using System.Globalization; using System.Drawing.Design; using System.Drawing.Imaging; using System.Drawing.Drawing2D; using System.Windows.Forms.Design; using System.ComponentModel.Design; using System.Collections.Specialized; using System.ComponentModel.Design.Serialization; using System.Workflow.ComponentModel.Compiler; using System.Workflow.ComponentModel.Serialization; using System.Collections.ObjectModel; using System.Reflection; using System.Workflow.ComponentModel.Design; using System.Runtime.Serialization.Formatters.Binary; // #region Class Header/Footer ////// Base class for Header and Footer to be associated with SequentialWorkflowRootDesigner /// public class SequentialWorkflowHeaderFooter { private SequentialWorkflowRootDesigner rootDesigner; private Image image; private string text = String.Empty; private bool isHeader = true; internal Size textSize = Size.Empty; ////// Default constructor /// /// Parent designer associated with the Header or Footer /// True if it is a header, false if it is a footer public SequentialWorkflowHeaderFooter(SequentialWorkflowRootDesigner parent, bool isHeader) { this.rootDesigner = parent; this.isHeader = isHeader; } ////// Gets the image associated with Header/Footer /// public virtual Image Image { get { return this.image; } set { if (this.image == value) return; this.image = value; AssociatedDesigner.InternalPerformLayout(); } } ////// Gets the text associated with Header/Footer /// public virtual string Text { get { return this.text; } set { if (this.text == value) return; this.text = value; AssociatedDesigner.InternalPerformLayout(); } } ////// Gets the bonding rectangle for Header/Footer /// public virtual Rectangle Bounds { get { Rectangle bounds = Rectangle.Empty; Size margin = WorkflowTheme.CurrentTheme.AmbientTheme.Margin; Rectangle textBounds = TextRectangle; Rectangle imageBounds = ImageRectangle; if (!textBounds.Size.IsEmpty || !imageBounds.Size.IsEmpty) { bounds.Width = Math.Max(imageBounds.Width, textBounds.Width) + 2 * margin.Width; bounds.Height = margin.Height + imageBounds.Height; bounds.Height += (imageBounds.Height > 0) ? margin.Height : 0; bounds.Height += textBounds.Height; bounds.Height += (textBounds.Height > 0) ? margin.Height : 0; //Before returning we adjust the bounds based on the header / footer setting Rectangle designerBounds = this.rootDesigner.Bounds; bounds.X = designerBounds.Left + designerBounds.Width / 2 - bounds.Width / 2; bounds.Y = (this.isHeader) ? designerBounds.Top : designerBounds.Bottom - bounds.Height; } return bounds; } } ////// Gets the bounding rectangle for text associated with Header/Footer /// public virtual Rectangle TextRectangle { get { Rectangle bounds = Rectangle.Empty; if (!String.IsNullOrEmpty(Text)) { Size margin = WorkflowTheme.CurrentTheme.AmbientTheme.Margin; Rectangle designerBounds = this.rootDesigner.Bounds; bounds.Size = this.textSize; bounds.X = designerBounds.Left + designerBounds.Width / 2 - this.textSize.Width / 2; bounds.Y = (this.isHeader) ? designerBounds.Top + margin.Height : designerBounds.Bottom - margin.Height - this.textSize.Height; } return bounds; } } ////// Gets the bounding rectangle for Image associated with Header/Footer /// public virtual Rectangle ImageRectangle { get { Rectangle bounds = Rectangle.Empty; if (Image != null) { ActivityDesignerTheme designerTheme = this.rootDesigner.DesignerTheme; Size margin = WorkflowTheme.CurrentTheme.AmbientTheme.Margin; Rectangle designerBounds = this.rootDesigner.Bounds; Rectangle textRectangle = TextRectangle; bounds.Size = designerTheme.ImageSize; bounds.X = designerBounds.Left + designerBounds.Width / 2 - bounds.Width / 2; if (this.isHeader) { bounds.Y = designerBounds.Top + margin.Height; bounds.Y += textRectangle.Height; bounds.Y += (textRectangle.Height > 0) ? margin.Height : 0; } else { bounds.Y = designerBounds.Bottom - margin.Height; bounds.Y -= textRectangle.Height; bounds.Y -= (textRectangle.Height > 0) ? margin.Height : 0; bounds.Y -= bounds.Height; } } return bounds; } } ////// Layouts the visual cues inside Header/Footer /// /// ActivityDesignerLayoutEventArgs holding layouting arguments public virtual void OnLayout(ActivityDesignerLayoutEventArgs e) { if (e == null) throw new ArgumentNullException("e"); if (!String.IsNullOrEmpty(Text) && e.DesignerTheme != null && e.DesignerTheme.Font != null) { using (Font font = new Font(e.DesignerTheme.Font.FontFamily, e.DesignerTheme.Font.SizeInPoints + 1.0f, FontStyle.Bold)) this.textSize = ActivityDesignerPaint.MeasureString(e.Graphics, font, Text, StringAlignment.Center, Size.Empty); } } ////// Draws the Header/Footer associated with workflow root designer. /// /// ActivityDesignerPaintEventArgs holding drawing arguments public virtual void OnPaint(ActivityDesignerPaintEventArgs e) { if (e == null) throw new ArgumentNullException("e"); if (!String.IsNullOrEmpty(Text) && !TextRectangle.Size.IsEmpty && e.DesignerTheme != null && e.DesignerTheme.Font != null) { //use bold or regular font based on mouse over status using (Font font = new Font(e.DesignerTheme.Font.FontFamily, e.DesignerTheme.Font.SizeInPoints + 1.0f, (this.AssociatedDesigner.SmartTagVisible) ? FontStyle.Bold : FontStyle.Regular)) ActivityDesignerPaint.DrawText(e.Graphics, font, Text, TextRectangle, StringAlignment.Center, TextQuality.AntiAliased, e.DesignerTheme.ForegroundBrush); } if (Image != null && !ImageRectangle.Size.IsEmpty) ActivityDesignerPaint.DrawImage(e.Graphics, Image, ImageRectangle, DesignerContentAlignment.Fill); } ////// Gets the designer associated with header/footer /// protected SequentialWorkflowRootDesigner AssociatedDesigner { get { return this.rootDesigner; } } } #endregion } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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