[2853] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 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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| 23 | using System.Collections.Generic;
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| 24 | using System.Linq;
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| 25 | using System.Text;
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| 26 | using Netron.Diagramming.Core;
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| 27 | using System.Drawing;
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[2934] | 28 | using System.Drawing.Drawing2D;
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| 29 | using HeuristicLab.Netron;
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[2853] | 30 |
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| 31 | namespace HeuristicLab.Operators.Views.GraphVisualization {
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[2934] | 32 | public class OperatorShape : ComplexShapeBase {
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| 33 | private static int LABEL_HEIGHT = 16;
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| 34 | private static int LABEL_WIDTH = 180;
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| 35 | private static int LABEL_SPACING = 3;
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| 36 | private static int HEADER_HEIGHT = 30;
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[2853] | 37 |
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[2934] | 38 | private ExpandableIconMaterial expandIconMaterial;
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[2853] | 39 | public OperatorShape()
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| 40 | : base() {
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[2934] | 41 | this.Resizable = false;
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[2861] | 42 | this.additionalConnectors = new List<IConnector>();
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[2934] | 43 | this.labels = new List<string>();
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[2853] | 44 | }
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| 45 |
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[2934] | 46 | public override string EntityName {
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| 47 | get { return "Operator Shape"; }
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| 48 | }
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| 49 |
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| 50 | public bool Collapsed {
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| 51 | get { return this.expandIconMaterial.Collapsed; }
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| 52 | set {
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| 53 | if (this.expandIconMaterial.Collapsed != value)
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| 54 | this.expandIconMaterial.Collapsed = value;
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | private Color color;
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| 59 | public Color Color {
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| 60 | get { return this.color; }
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| 61 | set { this.color = value; }
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| 62 | }
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| 63 |
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| 64 | private string title;
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| 65 | public string Title {
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| 66 | get { return title; }
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| 67 | set { title = value; }
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| 68 | }
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| 69 |
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| 70 | private IconMaterial iconMaterial;
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| 71 | public Bitmap Icon {
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| 72 | get { return this.iconMaterial.Icon; }
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| 73 | set {
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| 74 | this.iconMaterial.Icon = value;
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| 75 | this.iconMaterial.Transform(new Rectangle(new Point(Rectangle.X + 5, Rectangle.Y + 5), this.iconMaterial.Icon.Size));
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| 76 | }
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| 77 | }
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| 78 |
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| 79 | #region additional connectors
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[2861] | 80 | private List<IConnector> additionalConnectors;
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| 81 | public IEnumerable<string> AdditionalConnectorNames {
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| 82 | get { return this.additionalConnectors.Select(c => c.Name); }
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| 83 | }
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| 84 |
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| 85 | private IConnector predecessor;
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| 86 | public IConnector Predecessor {
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[2853] | 87 | get { return this.predecessor; }
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| 88 | }
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| 89 |
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[2861] | 90 | private IConnector successor;
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| 91 | public IConnector Successor {
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[2853] | 92 | get { return this.successor; }
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| 93 | }
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| 94 |
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[2861] | 95 | private IConnector CreateConnector(string connectorName, Point location) {
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[2868] | 96 | Connector connector = new Connector(location, this.Model);
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[2853] | 97 | connector.ConnectorStyle = ConnectorStyle.Square;
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| 98 | connector.Parent = this;
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[2861] | 99 | connector.Name = connectorName;
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| 100 | return connector;
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[2853] | 101 | }
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| 102 |
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[2861] | 103 | public void AddConnector(string connectorName) {
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| 104 | IConnector connector = this.CreateConnector(connectorName, this.BottomRightCorner);
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| 105 |
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| 106 | this.additionalConnectors.Add(connector);
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| 107 | this.Connectors.Add(connector);
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[2853] | 108 | this.UpdateConnectorLocation();
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| 109 | }
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| 110 |
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[2861] | 111 | public void RemoveConnector(string connectorName) {
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[2868] | 112 | IConnector connector = this.additionalConnectors.Where(c => c.Name == connectorName).FirstOrDefault();
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[2861] | 113 | if (connector != null) {
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| 114 | this.additionalConnectors.Remove(connector);
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| 115 | this.Connectors.Remove(connector);
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| 116 | this.UpdateConnectorLocation();
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| 117 | }
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[2853] | 118 | }
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| 119 |
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[2861] | 120 | private void UpdateConnectorLocation() {
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[2868] | 121 | if (this.additionalConnectors.Count == 0)
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| 122 | return;
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| 123 |
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| 124 | int spacing = this.Rectangle.Width / this.additionalConnectors.Count;
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[2861] | 125 | int margin = spacing / 2;
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| 126 | int posX = margin + this.Rectangle.X;
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| 127 | for (int i = 0; i < this.additionalConnectors.Count; i++) {
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[2872] | 128 | this.additionalConnectors[i].MoveBy(new Point(posX - this.additionalConnectors[i].Point.X, 0));
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[2861] | 129 | posX += spacing;
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| 130 | }
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| 131 | }
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[2934] | 132 | #endregion
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[2853] | 133 |
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[2934] | 134 | #region label material
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| 135 | private List<string> labels;
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| 136 | public IEnumerable<string> Labels {
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| 137 | get { return this.labels; }
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| 138 | }
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[2861] | 139 |
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[2934] | 140 | public void UpdateLabels(IEnumerable<string> labels) {
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| 141 | this.labels = new List<string>(labels);
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| 142 | this.expandIconMaterial.Visible = this.labels.Count != 0;
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| 143 | this.UpdateLabels();
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| 144 | }
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| 145 | #endregion
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| 146 |
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| 147 | private void expandIconMaterial_OnExpand(object sender, EventArgs e) {
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| 148 | this.UpdateLabels();
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| 149 | }
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| 150 |
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| 151 | private void expandIconMaterial_OnCollapse(object sender, EventArgs e) {
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| 152 | this.UpdateLabels();
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| 153 | }
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| 154 |
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| 155 | private Size CalculateSize() {
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| 156 | int width = this.Rectangle.Width;
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| 157 | int height = HEADER_HEIGHT;
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| 158 | if (!Collapsed)
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| 159 | height += this.labels.Count * (LABEL_HEIGHT + LABEL_SPACING);
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| 160 | return new Size(width, height);
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| 161 | }
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| 162 |
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| 163 | private void UpdateLabels() {
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| 164 | Size newSize = CalculateSize();
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| 165 | if (this.Rectangle.Size != newSize) {
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| 166 | foreach (IConnector connector in this.additionalConnectors)
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| 167 | connector.MoveBy(new Point(0, newSize.Height - this.Rectangle.Height));
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| 168 | this.mRectangle = new Rectangle(this.Rectangle.Location, newSize);
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| 169 | this.Invalidate();
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| 170 | this.RaiseOnChange(this, new EntityEventArgs(this));
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| 171 | }
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| 172 | }
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| 173 |
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[2853] | 174 | protected override void Initialize() {
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| 175 | base.Initialize();
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| 176 |
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[2934] | 177 | //the initial size
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| 178 | this.Transform(0, 0, 200, HEADER_HEIGHT);
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| 179 | this.color = Color.LightBlue;
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[2853] | 180 |
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[2934] | 181 | this.iconMaterial = new IconMaterial();
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| 182 | this.iconMaterial.Gliding = false;
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| 183 | this.Children.Add(iconMaterial);
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[2853] | 184 |
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[2934] | 185 | Bitmap expandBitmap = new Bitmap(HeuristicLab.Common.Resources.VS2008ImageLibrary.Redo);
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| 186 | Bitmap collapseBitmap = new Bitmap(HeuristicLab.Common.Resources.VS2008ImageLibrary.Undo);
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| 187 | this.expandIconMaterial = new ExpandableIconMaterial(expandBitmap, collapseBitmap);
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| 188 | this.expandIconMaterial.Gliding = false;
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| 189 | this.expandIconMaterial.Transform(new Rectangle(new Point(Rectangle.Right - 20, Rectangle.Y + 7), expandIconMaterial.Icon.Size));
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| 190 | this.expandIconMaterial.Visible = false;
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| 191 | this.expandIconMaterial.OnExpand += new EventHandler(expandIconMaterial_OnExpand);
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| 192 | this.expandIconMaterial.OnCollapse += new EventHandler(expandIconMaterial_OnCollapse);
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| 193 | this.Children.Add(expandIconMaterial);
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| 194 |
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| 195 | this.predecessor = this.CreateConnector("Predecessor", new Point(Rectangle.Left, Center.Y));
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| 196 | this.Connectors.Add(predecessor);
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| 197 |
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| 198 | this.successor = this.CreateConnector("Successor", (new Point(Rectangle.Right, Center.Y)));
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| 199 | this.Connectors.Add(successor);
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[2853] | 200 | }
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[2934] | 201 |
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| 202 | public override void Paint(Graphics g) {
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| 203 | base.Paint(g);
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| 204 |
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| 205 | g.SmoothingMode = SmoothingMode.HighQuality;
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| 206 |
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| 207 | Pen pen;
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| 208 | if (Hovered)
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| 209 | pen = ArtPalette.HighlightPen;
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| 210 | else
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| 211 | pen = mPenStyle.DrawingPen();
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| 212 |
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| 213 | GraphicsPath path = new GraphicsPath();
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| 214 | path.AddArc(Rectangle.X, Rectangle.Y, 20, 20, -180, 90);
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| 215 | path.AddLine(Rectangle.X + 10, Rectangle.Y, Rectangle.X + Rectangle.Width - 10, Rectangle.Y);
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| 216 | path.AddArc(Rectangle.X + Rectangle.Width - 20, Rectangle.Y, 20, 20, -90, 90);
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| 217 | path.AddLine(Rectangle.X + Rectangle.Width, Rectangle.Y + 10, Rectangle.X + Rectangle.Width, Rectangle.Y + Rectangle.Height - 10);
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| 218 | path.AddArc(Rectangle.X + Rectangle.Width - 20, Rectangle.Y + Rectangle.Height - 20, 20, 20, 0, 90);
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| 219 | path.AddLine(Rectangle.X + Rectangle.Width - 10, Rectangle.Y + Rectangle.Height, Rectangle.X + 10, Rectangle.Y + Rectangle.Height);
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| 220 | path.AddArc(Rectangle.X, Rectangle.Y + Rectangle.Height - 20, 20, 20, 90, 90);
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| 221 | path.AddLine(Rectangle.X, Rectangle.Y + Rectangle.Height - 10, Rectangle.X, Rectangle.Y + 10);
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| 222 | //shadow
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| 223 | if (ArtPalette.EnableShadows) {
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| 224 | Region darkRegion = new Region(path);
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| 225 | darkRegion.Translate(5, 5);
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| 226 | g.FillRegion(ArtPalette.ShadowBrush, darkRegion);
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| 227 | }
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| 228 | //background
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| 229 | g.FillPath(Brush, path);
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| 230 |
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| 231 | using (LinearGradientBrush gradientBrush = new LinearGradientBrush(Rectangle.Location, new Point(Rectangle.X + Rectangle.Width, Rectangle.Y), this.Color, Color.White)) {
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| 232 | Region gradientRegion = new Region(path);
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| 233 | g.FillRegion(gradientBrush, gradientRegion);
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| 234 | }
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| 235 |
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| 236 | if (!this.Collapsed) {
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| 237 | TextStyle textStyle = new TextStyle(Color.Black, new Font("Arial", 7), StringAlignment.Near, StringAlignment.Near);
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| 238 | StringFormat stringFormat = textStyle.StringFormat;
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| 239 | stringFormat.Trimming = StringTrimming.EllipsisWord;
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| 240 | stringFormat.FormatFlags = StringFormatFlags.LineLimit;
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| 241 | Rectangle rect;
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| 242 |
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| 243 | for (int i = 0; i < this.labels.Count; i++) {
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| 244 | rect = new Rectangle(Rectangle.X + 25, Rectangle.Y + HEADER_HEIGHT + i * (LABEL_HEIGHT + LABEL_SPACING), LABEL_WIDTH, LABEL_HEIGHT);
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| 245 | g.DrawString(textStyle.GetFormattedText(this.labels[i]), textStyle.Font, textStyle.GetBrush(), rect, stringFormat);
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| 246 | }
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| 247 | }
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| 248 |
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| 249 | //the border
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| 250 | g.DrawPath(pen, path);
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| 251 |
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| 252 | //the title
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| 253 | g.DrawString(this.Title, ArtPalette.DefaultBoldFont, Brushes.Black, new Rectangle(Rectangle.X + 25, Rectangle.Y + 5, Rectangle.Width - 45, 27));
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| 254 |
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| 255 | //the material
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| 256 | foreach (IPaintable material in Children)
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| 257 | material.Paint(g);
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| 258 |
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| 259 | //the connectors
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| 260 | if (this.ShowConnectors) {
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| 261 | for (int k = 0; k < Connectors.Count; k++)
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| 262 | Connectors[k].Paint(g);
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| 263 | }
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| 264 | }
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[2853] | 265 | }
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| 266 | }
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