[2801] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12009] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2801] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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[2781] | 23 | using System.ComponentModel;
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| 24 | using System.Drawing;
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| 25 | using System.Windows.Forms;
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| 26 |
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| 27 | using Netron.Diagramming.Core;
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| 28 |
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| 29 | namespace HeuristicLab.Netron {
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| 30 | [ToolboxItem(true)]
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| 31 | public partial class NetronVisualization : DiagramControlBase {
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[2801] | 32 | private static Size INVALID_SIZE = new Size(-1, -1);
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[2782] | 33 | private Size oldSize;
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[2781] | 34 | public NetronVisualization()
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| 35 | : base() {
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| 36 | InitializeComponent();
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[2782] | 37 | this.oldSize = INVALID_SIZE;
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[2781] | 38 |
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| 39 | SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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| 40 | SetStyle(ControlStyles.DoubleBuffer, true);
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| 41 | SetStyle(ControlStyles.UserPaint, true);
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| 42 | SetStyle(ControlStyles.ResizeRedraw, true);
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| 43 |
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[11995] | 44 | AutoScroll = true;
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| 45 |
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[2781] | 46 | if (!DesignMode) {
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| 47 | this.Controller = new Controller(this);
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[2868] | 48 | this.Document = new Document();
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[2909] | 49 | this.Document.Model.Selection = new Selection(this.Controller, this.Document.Model);
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[2781] | 50 | this.View = new View(this);
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| 51 | this.AttachToDocument(Document);
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| 52 | this.Controller.View = View;
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| 53 |
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| 54 | View.OnCursorChange += new EventHandler<CursorEventArgs>(mView_OnCursorChange);
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| 55 | View.OnBackColorChange += new EventHandler<ColorEventArgs>(View_OnBackColorChange);
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| 56 |
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[2782] | 57 | this.SizeChanged += new EventHandler(NetronVisualization_SizeChanged);
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[2909] | 58 | this.UpdateView();
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[2781] | 59 | }
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| 60 | }
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| 61 |
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[2909] | 62 | public Size PageSize {
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| 63 | get { return this.View.PageSize; }
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| 64 | set {
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| 65 | this.View.PageSize = value;
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| 66 | this.UpdateView();
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | private void UpdateView() {
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| 71 | //zoom in to show scrollbars - code taken from ControllerBase line 1082
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| 72 | SizeF s = this.View.Magnification;
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| 73 | float alpha = 1.1F;
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| 74 | View.Magnification = new SizeF(
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| 75 | s.Width * alpha,
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| 76 | s.Height * alpha);
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| 77 |
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| 78 | float w = (float)this.AutoScrollPosition.X /
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| 79 | (float)this.AutoScrollMinSize.Width;
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| 80 |
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| 81 | float h = (float)this.AutoScrollPosition.Y /
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| 82 | (float)this.AutoScrollMinSize.Height;
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| 83 |
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| 84 | RectangleF pageBounds = this.Controller.Model.CurrentPage.Bounds;
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| 85 | pageBounds.Inflate(s);
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| 86 | SizeF deltaSize = new SizeF(
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| 87 | pageBounds.Width - this.ClientRectangle.Width,
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| 88 | pageBounds.Height - this.ClientRectangle.Height);
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| 89 |
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| 90 | if ((deltaSize.Width > 0) && (deltaSize.Height > 0)) {
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| 91 | this.AutoScrollMinSize = Size.Round(deltaSize);
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| 92 | }
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| 93 | }
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| 94 |
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[2782] | 95 | private void NetronVisualization_SizeChanged(object sender, EventArgs e) {
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[2801] | 96 | //if (this.oldSize == INVALID_SIZE) {
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[2909] | 97 | //this.View.PageSize = new Size((int)(this.Size.Width * this.Magnification.Width), (int)(this.Size.Height * this.Magnification.Height));
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[2801] | 98 | // if (!this.DesignMode)
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| 99 | // oldSize = this.Size;
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| 100 | // return;
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| 101 | //}
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[2782] | 102 |
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[2801] | 103 | //SizeF magnificationChanges = new SizeF();
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| 104 | //magnificationChanges.Width = ((float)this.Size.Width) / oldSize.Width;
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| 105 | //magnificationChanges.Height = ((float)this.Size.Height) / oldSize.Height;
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[2782] | 106 |
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[2801] | 107 | //SizeF newMagnification = new SizeF();
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| 108 | //newMagnification.Width = this.View.Magnification.Width * magnificationChanges.Width;
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| 109 | //newMagnification.Height = this.View.Magnification.Height * magnificationChanges.Height;
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[2782] | 110 |
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[2801] | 111 | //this.Magnification = newMagnification;
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| 112 | //this.oldSize = this.Size;
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[2781] | 113 | }
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| 114 |
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[3167] | 115 |
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| 116 | protected override void OnMouseWheel(MouseEventArgs e) {
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| 117 | //inserted to disable scrolling by the mousewheel
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| 118 | //base.OnMouseWheel(e);
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| 119 | }
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| 120 |
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[2781] | 121 | protected override void OnScroll(ScrollEventArgs se) {
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| 122 | //base.OnScroll(se);
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| 123 | if (se.ScrollOrientation == ScrollOrientation.HorizontalScroll) {
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| 124 | Origin = new Point(se.NewValue, Origin.Y);
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| 125 | } else {
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| 126 | Origin = new Point(Origin.X, se.NewValue);
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[2782] | 127 | }
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[2781] | 128 | }
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| 129 |
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| 130 | private void mView_OnCursorChange(object sender, CursorEventArgs e) {
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| 131 | this.Cursor = e.Cursor;
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| 132 | }
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| 133 | }
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| 134 | }
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