13 changed files with 489 additions and 67 deletions
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namespace Timelines |
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{ |
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partial class Timeline |
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{ |
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/// <summary>
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/// 必需的设计器变量。
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/// </summary>
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private System.ComponentModel.IContainer components = null; |
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/// <summary>
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/// 清理所有正在使用的资源。
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/// </summary>
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/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
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protected override void Dispose(bool disposing) |
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{ |
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if (disposing && (components != null)) |
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{ |
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components.Dispose(); |
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} |
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base.Dispose(disposing); |
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} |
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#region 组件设计器生成的代码
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/// <summary>
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/// 设计器支持所需的方法 - 不要修改
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/// 使用代码编辑器修改此方法的内容。
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/// </summary>
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private void InitializeComponent() |
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{ |
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components = new System.ComponentModel.Container(); |
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; |
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this.ClientSize = new System.Drawing.Size(800, 450); |
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} |
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#endregion
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} |
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} |
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@ -0,0 +1,314 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.ComponentModel; |
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using System.Drawing; |
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using System.Data; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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using System.Windows.Forms; |
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using Timelines.Model; |
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using Timelines.Processor; |
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namespace Timelines |
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{ |
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public partial class Timeline : UserControl |
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{ |
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#region public properties
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public SolidBrush HoverClickSolidBrush { get; set; } |
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public Font RowFont { get; set; } |
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public Font DateFont { get; set; } |
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public Font TimeFont { get; set; } |
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#endregion
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#region private properties
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private ToolTip ToolTip { get; set; } |
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private VScrollBar VScrollBar1 { get; set; } |
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private int AvailableWidth { get; set; } |
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private Point OldMousePosition { get; set; } |
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private int ScrollPosition { get; set; } |
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private List<string> ToolTipTextList { get; set; } |
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private string ToolTipTextTitle { get; set; } |
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private List<BarModel> BarList { get; set; } |
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private DateTime StartDate { get; set; } |
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private int DistinctItemCount { get; set; } |
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private DateTime EndDate { get; set; } |
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#endregion
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public Timeline() |
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{ |
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InitializeComponent(); |
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} |
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public void ShowBarChart(DateTime chartStartDate, DateTime chartEndDate, List<ItemModel> items) |
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{ |
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this.StartDate = chartStartDate; |
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this.EndDate = chartEndDate; |
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var proc = new BarChartProcessor(); |
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this.BarList = proc.GetBarList(items); |
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this.DistinctItemCount = items.Select(i => i.ItemName).Distinct().Count(); |
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this.Refresh(); |
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} |
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private void ChartMouseMove(Object sender, MouseEventArgs e) |
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{ |
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var localMousePosition = new Point(e.X, e.Y); |
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if (BarList == null || BarList.Count == 0) |
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{ |
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return; |
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} |
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if (localMousePosition == this.OldMousePosition) |
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{ |
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return; |
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} |
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var proc = new BarChartProcessor(); |
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var mouseOverObject = false; |
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var tempText = new List<string>(); |
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var tempTitle = ""; |
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Parallel.ForEach(this.BarList, bar => |
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{ |
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if (proc.MouseInsideBar(localMousePosition, bar) && bar.Visible) |
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{ |
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bar.IsMouseOver = true; |
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tempTitle = bar.Name; |
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tempText.Add("Event Start: " + bar.StartValue.ToUniversalTime()); |
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tempText.Add("Event End: " + bar.EndValue.ToUniversalTime()); |
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mouseOverObject = true; |
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} |
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else |
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{ |
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bar.IsMouseOver = false; |
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} |
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}); |
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this.ToolTipTextList = tempText; |
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this.ToolTipTextTitle = tempTitle; |
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this.ToolTip.SetToolTip(this, this.ToolTipTextList.Count > 0 ? this.ToolTipTextList.ToString() : ""); |
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if (mouseOverObject) |
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{ |
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this.Refresh(); |
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} |
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this.OldMousePosition = localMousePosition; |
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} |
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private void ChartMouseClick(Object sender, MouseEventArgs e) |
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{ |
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if (BarList == null || BarList.Count == 0) |
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{ |
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return; |
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} |
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var localMousePosition = new Point(e.X, e.Y); |
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var proc = new BarChartProcessor(); |
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this.BarList = proc.MouseClickHandler(this.BarList, localMousePosition); |
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} |
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private void ChartMouseWheel(object sender, MouseEventArgs e) |
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{ |
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this.VScrollBar1.Focus(); |
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} |
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private void Timeline_Load(object sender, EventArgs e) |
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{ |
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//initialize public properties
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RowFont = TimeFont = DateFont = new Font("Segoe UI", 10, FontStyle.Regular, GraphicsUnit.Point); |
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HoverClickSolidBrush = new SolidBrush(Color.LightBlue); |
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BackColor = Color.White; |
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//initialize mouse controls
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MouseMove += ChartMouseMove; |
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MouseWheel += ChartMouseWheel; |
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MouseClick += ChartMouseClick; |
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//initialize Tooltip
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this.ToolTip = new ToolTip |
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{ |
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OwnerDraw = true |
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}; |
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this.ToolTip.Draw += ToolTipText_Draw; |
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this.ToolTip.Popup += ToolTipText_Popup; |
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//Flicker free drawing
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SetStyle(ControlStyles.DoubleBuffer | ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint, true); |
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//ScrollBar
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this.VScrollBar1 = new VScrollBar |
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{ |
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Dock = DockStyle.Right, |
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Visible = false |
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}; |
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Controls.Add(this.VScrollBar1); |
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this.VScrollBar1.Scroll += vScrollBar1_Scroll; |
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} |
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private void vScrollBar1_Scroll(object sender, ScrollEventArgs e) |
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{ |
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this.ScrollPosition = this.VScrollBar1.Value; |
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this.Refresh(); |
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} |
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private void ToolTipText_Draw(Object sender, DrawToolTipEventArgs e) |
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{ |
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if (this.ToolTipTextList.Count == 0) |
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{ |
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return; |
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} |
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e.Graphics.FillRectangle(Brushes.White, e.Bounds); |
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e.Graphics.DrawString(this.ToolTipTextTitle, ChartConstants.TitleFont, Brushes.Black, 5, 0); |
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// Draws the lines in the text box
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foreach (var item in this.ToolTipTextList) |
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{ |
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var stringY = (ChartConstants.ToolTipTitleHeight - ChartConstants.ToolTipfontHeight - e.Graphics.MeasureString(item, ChartConstants.RowFont).Height) / 2 + |
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10 + ((this.ToolTipTextList.IndexOf(item) + 1) * 14); |
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e.Graphics.DrawString(item, ChartConstants.RowFont, Brushes.Black, 5, stringY); |
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} |
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} |
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private void ToolTipText_Popup(Object sender, PopupEventArgs e) |
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{ |
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var toolTipHeight = (ChartConstants.ToolTipTitleHeight + 4) + (this.ToolTipTextList.Count * (ChartConstants.ToolTipfontHeight + 3)); |
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e.ToolTipSize = new Size(230, toolTipHeight); |
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} |
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private void PaintChart(Graphics graphics) |
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{ |
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if (BarList == null || BarList.Count == 0) |
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{ |
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return; |
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} |
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var proc = new BarChartProcessor(); |
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var headerList = proc.GetFullHeaderList(this.StartDate, this.EndDate, this.Width, this.TimeFont); |
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if (headerList.Count == 0 || this.DistinctItemCount == 0) |
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{ |
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return; |
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} |
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var pixelsPerSecond = proc.GetPixelsPerSecond(headerList); |
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this.AvailableWidth = Width - ChartConstants.BarStartLeft - ChartConstants.BarStartRight; |
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if (this.DistinctItemCount * (ChartConstants.BarHeight + ChartConstants.BarSpace) > Height) |
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{ |
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this.VScrollBar1.Visible = true; |
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this.VScrollBar1.Maximum = this.DistinctItemCount - 3; |
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} |
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graphics.Clear(BackColor); |
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DrawChartHeadersAndNet(graphics, headerList); |
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DrawBars(graphics, this.BarList, pixelsPerSecond); |
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} |
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protected override void OnPaint(PaintEventArgs pe) |
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{ |
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PaintChart(pe.Graphics); |
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} |
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private void DrawBars(Graphics graphics, IEnumerable<BarModel> barList, double pixelsPerSecond) |
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{ |
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//list of machineNames to add to the left of each row
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var rowTitleList = new List<string>(); |
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var proc = new BarChartProcessor(); |
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// Draws each bar
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foreach (var bar in barList) |
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{ |
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var numberOfBarsInControl = (Height - ChartConstants.BarStartTop) / (ChartConstants.BarHeight + ChartConstants.BarSpace); |
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if ((bar.RowIndex >= this.ScrollPosition && |
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bar.RowIndex < numberOfBarsInControl + this.ScrollPosition)) |
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{ |
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var newBar = proc.GetBar(bar, this.StartDate, pixelsPerSecond, ScrollPosition, this.Width); |
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DrawBarAndRowText(newBar, rowTitleList, graphics); |
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} |
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else |
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{ |
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bar.Visible = false; |
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} |
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} |
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} |
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private void DrawBarAndRowText(BarModel newBar, ICollection<string> rowTitleList, Graphics graphics) |
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{ |
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var barBrush = new SolidBrush(newBar.Color); |
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if (newBar.IsMouseOver || newBar.IsClicked) |
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{ |
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barBrush = HoverClickSolidBrush; |
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} |
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graphics.FillRectangle(barBrush, newBar.BarRectangle); |
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graphics.DrawRectangle(Pens.Black, newBar.BarRectangle); |
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// Draws the rowtext, only once for each machine
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if (!rowTitleList.Contains(newBar.Name)) |
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{ |
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graphics.DrawString(newBar.Name, |
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RowFont, |
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Brushes.Black, |
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0, |
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ChartConstants.BarStartTop + (ChartConstants.BarHeight * (newBar.RowIndex - this.ScrollPosition)) + |
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(ChartConstants.BarSpace * (newBar.RowIndex - this.ScrollPosition))); |
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rowTitleList.Add(newBar.Name); |
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} |
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} |
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private void DrawChartHeadersAndNet(Graphics graphics, IList<HeaderModel> headerList) |
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{ |
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var verticalLineLastY = ChartConstants.BarStartTop + (this.DistinctItemCount - this.ScrollPosition) * (ChartConstants.BarHeight + ChartConstants.BarSpace); |
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//draw headers
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foreach (var header in headerList) |
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{ |
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//draw the date when there is a change of day
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var index = headerList.IndexOf(header); |
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if (headerList.IndexOf(header) == 0 |
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|| header.HeaderDateTime.Day != headerList[index - 1].HeaderDateTime.Day) |
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{ |
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graphics.DrawString( |
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header.HeaderDateTime.ToShortDateString(), |
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DateFont, |
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Brushes.Black, |
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header.StartLocation, |
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0); |
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} |
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graphics.DrawString( |
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header.HeaderDateTime.ToShortTimeString(), |
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TimeFont, |
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Brushes.Black, |
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header.StartLocation, |
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ChartConstants.HeaderTimeStartTop); |
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//draw vertical line under header
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graphics.DrawLine( |
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ChartConstants.GridColor, |
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header.StartLocation, |
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ChartConstants.HeaderTimeStartTop, |
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header.StartLocation, |
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verticalLineLastY); |
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} |
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//draw last vertical line
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graphics.DrawLine( |
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ChartConstants.GridColor, |
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ChartConstants.BarStartLeft + this.AvailableWidth, |
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ChartConstants.HeaderTimeStartTop, |
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ChartConstants.BarStartLeft + this.AvailableWidth, |
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verticalLineLastY); |
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//draw horizontal net
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for (var index = 0; index < this.DistinctItemCount; index++) |
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{ |
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var y = ChartConstants.BarStartTop + index * (ChartConstants.BarHeight + ChartConstants.BarSpace); |
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graphics.DrawLine( |
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ChartConstants.GridColor, |
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ChartConstants.BarStartLeft, |
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y, |
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ChartConstants.BarStartLeft + this.AvailableWidth, |
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y |
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); |
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} |
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} |
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} |
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} |
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