[2801] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11171] | 3 | * Copyright (C) 2002-2014 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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| 44 | if (!DesignMode) {
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| 45 | this.Controller = new Controller(this);
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[2868] | 46 | this.Document = new Document();
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[2909] | 47 | this.Document.Model.Selection = new Selection(this.Controller, this.Document.Model);
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[2781] | 48 | this.View = new View(this);
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| 49 | this.AttachToDocument(Document);
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| 50 | this.Controller.View = View;
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| 51 |
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| 52 | View.OnCursorChange += new EventHandler<CursorEventArgs>(mView_OnCursorChange);
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| 53 | View.OnBackColorChange += new EventHandler<ColorEventArgs>(View_OnBackColorChange);
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| 54 |
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[2782] | 55 | this.SizeChanged += new EventHandler(NetronVisualization_SizeChanged);
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[2909] | 56 | this.UpdateView();
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[2781] | 57 | }
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| 58 | }
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| 59 |
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[2909] | 60 | public Size PageSize {
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| 61 | get { return this.View.PageSize; }
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| 62 | set {
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| 63 | this.View.PageSize = value;
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| 64 | this.UpdateView();
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | private void UpdateView() {
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| 69 | //zoom in to show scrollbars - code taken from ControllerBase line 1082
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| 70 | SizeF s = this.View.Magnification;
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| 71 | float alpha = 1.1F;
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| 72 | View.Magnification = new SizeF(
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| 73 | s.Width * alpha,
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| 74 | s.Height * alpha);
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| 75 |
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| 76 | float w = (float)this.AutoScrollPosition.X /
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| 77 | (float)this.AutoScrollMinSize.Width;
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| 78 |
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| 79 | float h = (float)this.AutoScrollPosition.Y /
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| 80 | (float)this.AutoScrollMinSize.Height;
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| 81 |
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| 82 | RectangleF pageBounds = this.Controller.Model.CurrentPage.Bounds;
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| 83 | pageBounds.Inflate(s);
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| 84 | SizeF deltaSize = new SizeF(
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| 85 | pageBounds.Width - this.ClientRectangle.Width,
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| 86 | pageBounds.Height - this.ClientRectangle.Height);
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| 87 |
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| 88 | if ((deltaSize.Width > 0) && (deltaSize.Height > 0)) {
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| 89 | this.AutoScrollMinSize = Size.Round(deltaSize);
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| 90 | }
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| 91 | }
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| 92 |
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[2782] | 93 | private void NetronVisualization_SizeChanged(object sender, EventArgs e) {
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[2801] | 94 | //if (this.oldSize == INVALID_SIZE) {
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[2909] | 95 | //this.View.PageSize = new Size((int)(this.Size.Width * this.Magnification.Width), (int)(this.Size.Height * this.Magnification.Height));
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[2801] | 96 | // if (!this.DesignMode)
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| 97 | // oldSize = this.Size;
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| 98 | // return;
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| 99 | //}
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[2782] | 100 |
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[2801] | 101 | //SizeF magnificationChanges = new SizeF();
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| 102 | //magnificationChanges.Width = ((float)this.Size.Width) / oldSize.Width;
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| 103 | //magnificationChanges.Height = ((float)this.Size.Height) / oldSize.Height;
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[2782] | 104 |
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[2801] | 105 | //SizeF newMagnification = new SizeF();
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| 106 | //newMagnification.Width = this.View.Magnification.Width * magnificationChanges.Width;
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| 107 | //newMagnification.Height = this.View.Magnification.Height * magnificationChanges.Height;
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[2782] | 108 |
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[2801] | 109 | //this.Magnification = newMagnification;
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| 110 | //this.oldSize = this.Size;
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[2781] | 111 | }
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| 112 |
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[3167] | 113 |
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| 114 | protected override void OnMouseWheel(MouseEventArgs e) {
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| 115 | //inserted to disable scrolling by the mousewheel
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| 116 | //base.OnMouseWheel(e);
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| 117 | }
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| 118 |
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[2781] | 119 | protected override void OnScroll(ScrollEventArgs se) {
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| 120 | //base.OnScroll(se);
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| 121 | if (se.ScrollOrientation == ScrollOrientation.HorizontalScroll) {
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| 122 | Origin = new Point(se.NewValue, Origin.Y);
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| 123 | } else {
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| 124 | Origin = new Point(Origin.X, se.NewValue);
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[2782] | 125 | }
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[2781] | 126 | }
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| 127 |
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| 128 | private void mView_OnCursorChange(object sender, CursorEventArgs e) {
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| 129 | this.Cursor = e.Cursor;
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| 130 | }
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| 131 | }
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| 132 | }
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