[2781] | 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.ComponentModel;
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| 4 | using System.Drawing;
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| 5 | using System.Data;
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| 6 | using System.Linq;
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| 7 | using System.Text;
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| 8 | using System.Windows.Forms;
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| 9 |
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| 10 | using Netron.Diagramming.Core;
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| 11 |
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| 12 | namespace HeuristicLab.Netron {
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| 13 | [ToolboxItem(true)]
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| 14 | public partial class NetronVisualization : DiagramControlBase {
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[2782] | 15 | private static Size INVALID_SIZE = new Size(-1,-1);
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| 16 | private Size oldSize;
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[2781] | 17 | public NetronVisualization()
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| 18 | : base() {
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| 19 | InitializeComponent();
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[2782] | 20 | this.oldSize = INVALID_SIZE;
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[2781] | 21 |
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| 22 | SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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| 23 | SetStyle(ControlStyles.DoubleBuffer, true);
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| 24 | SetStyle(ControlStyles.UserPaint, true);
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| 25 | SetStyle(ControlStyles.ResizeRedraw, true);
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| 26 |
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| 27 | if (!DesignMode) {
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| 28 | this.Controller = new Controller(this);
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| 29 | this.View = new View(this);
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| 30 |
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| 31 | this.Document = new Document();
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| 32 | this.AttachToDocument(Document);
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| 33 | this.Controller.View = View;
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| 34 | TextEditor.Init(this);
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| 35 |
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| 36 | View.OnCursorChange += new EventHandler<CursorEventArgs>(mView_OnCursorChange);
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| 37 | View.OnBackColorChange += new EventHandler<ColorEventArgs>(View_OnBackColorChange);
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| 38 |
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[2782] | 39 | this.SizeChanged += new EventHandler(NetronVisualization_SizeChanged);
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[2781] | 40 | this.AllowDrop = true;
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| 41 | }
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| 42 | }
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| 43 |
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[2782] | 44 | private void NetronVisualization_SizeChanged(object sender, EventArgs e) {
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| 45 | if (this.oldSize == INVALID_SIZE) {
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| 46 | this.View.PageSize = new Size((int)(this.Size.Width * this.Magnification.Width), (int)(this.Size.Height * this.Magnification.Height));
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| 47 | oldSize = this.Size;
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| 48 | return;
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| 49 | }
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| 50 |
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| 51 | SizeF magnificationChanges = new SizeF();
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| 52 | magnificationChanges.Width = ((float)this.Size.Width) / oldSize.Width;
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| 53 | magnificationChanges.Height = ((float)this.Size.Height) / oldSize.Height;
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| 54 |
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| 55 | SizeF newMagnification = new SizeF();
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| 56 | newMagnification.Width = this.View.Magnification.Width * magnificationChanges.Width;
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| 57 | newMagnification.Height = this.View.Magnification.Height * magnificationChanges.Height;
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| 58 |
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| 59 | this.Magnification = newMagnification;
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| 60 | this.oldSize = this.Size;
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[2781] | 61 | }
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| 62 |
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| 63 | protected override void OnScroll(ScrollEventArgs se) {
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| 64 | //base.OnScroll(se);
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| 65 | if (se.ScrollOrientation == ScrollOrientation.HorizontalScroll) {
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| 66 | Origin = new Point(se.NewValue, Origin.Y);
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| 67 | //System.Diagnostics.Trace.WriteLine(se.NewValue);
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| 68 | } else {
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| 69 | Origin = new Point(Origin.X, se.NewValue);
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| 70 | //System.Diagnostics.Trace.WriteLine(se.NewValue);
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[2782] | 71 | }
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[2781] | 72 | }
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| 73 |
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| 74 | private void mView_OnCursorChange(object sender, CursorEventArgs e) {
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| 75 | this.Cursor = e.Cursor;
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| 76 | }
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| 77 | }
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| 78 | }
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