[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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[2935] | 31 |
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[2853] | 32 | namespace HeuristicLab.Operators.Views.GraphVisualization {
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[2934] | 33 | public class OperatorShape : ComplexShapeBase {
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| 34 | private static int LABEL_HEIGHT = 16;
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| 35 | private static int LABEL_WIDTH = 180;
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| 36 | private static int LABEL_SPACING = 3;
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[3169] | 37 | private int headerHeight = 30;
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[2853] | 38 |
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[2934] | 39 | private ExpandableIconMaterial expandIconMaterial;
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[2853] | 40 | public OperatorShape()
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| 41 | : base() {
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[2934] | 42 | this.Resizable = false;
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[2861] | 43 | this.additionalConnectors = new List<IConnector>();
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[2934] | 44 | this.labels = new List<string>();
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[2853] | 45 | }
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| 46 |
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[2934] | 47 | public override string EntityName {
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| 48 | get { return "Operator Shape"; }
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| 49 | }
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| 50 |
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| 51 | public bool Collapsed {
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| 52 | get { return this.expandIconMaterial.Collapsed; }
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| 53 | set {
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| 54 | if (this.expandIconMaterial.Collapsed != value)
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| 55 | this.expandIconMaterial.Collapsed = value;
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| 56 | }
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| 57 | }
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| 58 |
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[2935] | 59 | private Color lineColor;
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| 60 | public Color LineColor {
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| 61 | get { return this.lineColor; }
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| 62 | set { this.lineColor = value; }
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| 63 | }
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| 64 |
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| 65 | private float lineWidth;
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| 66 | public float LineWidth {
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| 67 | get { return this.lineWidth; }
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| 68 | set { this.lineWidth = value; }
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| 69 | }
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| 70 |
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[2934] | 71 | private Color color;
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| 72 | public Color Color {
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| 73 | get { return this.color; }
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| 74 | set { this.color = value; }
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| 75 | }
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| 76 |
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| 77 | private string title;
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| 78 | public string Title {
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| 79 | get { return title; }
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| 80 | set { title = value; }
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| 81 | }
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| 82 |
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| 83 | private IconMaterial iconMaterial;
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| 84 | public Bitmap Icon {
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| 85 | get { return this.iconMaterial.Icon; }
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| 86 | set {
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| 87 | this.iconMaterial.Icon = value;
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| 88 | this.iconMaterial.Transform(new Rectangle(new Point(Rectangle.X + 5, Rectangle.Y + 5), this.iconMaterial.Icon.Size));
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| 89 | }
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| 90 | }
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| 91 |
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| 92 | #region additional connectors
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[2861] | 93 | private List<IConnector> additionalConnectors;
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| 94 | public IEnumerable<string> AdditionalConnectorNames {
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| 95 | get { return this.additionalConnectors.Select(c => c.Name); }
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| 96 | }
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| 97 |
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| 98 | private IConnector predecessor;
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| 99 | public IConnector Predecessor {
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[2853] | 100 | get { return this.predecessor; }
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| 101 | }
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| 102 |
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[2861] | 103 | private IConnector successor;
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| 104 | public IConnector Successor {
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[2853] | 105 | get { return this.successor; }
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| 106 | }
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| 107 |
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[2861] | 108 | private IConnector CreateConnector(string connectorName, Point location) {
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[2868] | 109 | Connector connector = new Connector(location, this.Model);
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[2853] | 110 | connector.ConnectorStyle = ConnectorStyle.Square;
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| 111 | connector.Parent = this;
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[2861] | 112 | connector.Name = connectorName;
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| 113 | return connector;
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[2853] | 114 | }
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| 115 |
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[2861] | 116 | public void AddConnector(string connectorName) {
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| 117 | IConnector connector = this.CreateConnector(connectorName, this.BottomRightCorner);
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| 118 |
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| 119 | this.additionalConnectors.Add(connector);
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| 120 | this.Connectors.Add(connector);
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[2853] | 121 | this.UpdateConnectorLocation();
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| 122 | }
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| 123 |
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[2861] | 124 | public void RemoveConnector(string connectorName) {
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[2868] | 125 | IConnector connector = this.additionalConnectors.Where(c => c.Name == connectorName).FirstOrDefault();
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[2861] | 126 | if (connector != null) {
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| 127 | this.additionalConnectors.Remove(connector);
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| 128 | this.Connectors.Remove(connector);
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| 129 | this.UpdateConnectorLocation();
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| 130 | }
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[2853] | 131 | }
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| 132 |
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[2861] | 133 | private void UpdateConnectorLocation() {
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[2868] | 134 | if (this.additionalConnectors.Count == 0)
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| 135 | return;
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| 136 |
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| 137 | int spacing = this.Rectangle.Width / this.additionalConnectors.Count;
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[2861] | 138 | int margin = spacing / 2;
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| 139 | int posX = margin + this.Rectangle.X;
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| 140 | for (int i = 0; i < this.additionalConnectors.Count; i++) {
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[2872] | 141 | this.additionalConnectors[i].MoveBy(new Point(posX - this.additionalConnectors[i].Point.X, 0));
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[2861] | 142 | posX += spacing;
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| 143 | }
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| 144 | }
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[2934] | 145 | #endregion
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[2853] | 146 |
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[2934] | 147 | #region label material
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| 148 | private List<string> labels;
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| 149 | public IEnumerable<string> Labels {
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| 150 | get { return this.labels; }
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| 151 | }
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[2861] | 152 |
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[2934] | 153 | public void UpdateLabels(IEnumerable<string> labels) {
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| 154 | this.labels = new List<string>(labels);
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| 155 | this.expandIconMaterial.Visible = this.labels.Count != 0;
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| 156 | this.UpdateLabels();
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| 157 | }
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| 158 | #endregion
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| 159 |
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| 160 | private void expandIconMaterial_OnExpand(object sender, EventArgs e) {
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| 161 | this.UpdateLabels();
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| 162 | }
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| 163 |
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| 164 | private void expandIconMaterial_OnCollapse(object sender, EventArgs e) {
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| 165 | this.UpdateLabels();
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| 166 | }
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| 167 |
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| 168 | private Size CalculateSize() {
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| 169 | int width = this.Rectangle.Width;
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[3169] | 170 | int height = headerHeight;
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[2934] | 171 | if (!Collapsed)
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| 172 | height += this.labels.Count * (LABEL_HEIGHT + LABEL_SPACING);
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| 173 | return new Size(width, height);
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| 174 | }
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| 175 |
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| 176 | private void UpdateLabels() {
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| 177 | Size newSize = CalculateSize();
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| 178 | if (this.Rectangle.Size != newSize) {
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| 179 | foreach (IConnector connector in this.additionalConnectors)
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| 180 | connector.MoveBy(new Point(0, newSize.Height - this.Rectangle.Height));
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| 181 | this.mRectangle = new Rectangle(this.Rectangle.Location, newSize);
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| 182 | this.Invalidate();
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| 183 | this.RaiseOnChange(this, new EntityEventArgs(this));
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| 184 | }
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| 185 | }
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| 186 |
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[2853] | 187 | protected override void Initialize() {
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| 188 | base.Initialize();
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| 189 |
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[2934] | 190 | //the initial size
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[3169] | 191 | this.Transform(0, 0, 200, headerHeight);
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[2934] | 192 | this.color = Color.LightBlue;
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[2853] | 193 |
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[2934] | 194 | this.iconMaterial = new IconMaterial();
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| 195 | this.iconMaterial.Gliding = false;
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| 196 | this.Children.Add(iconMaterial);
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[2853] | 197 |
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[3344] | 198 | Bitmap expandBitmap = new Bitmap(HeuristicLab.Common.Resources.VS2008ImageLibrary.Expand);
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| 199 | Bitmap collapseBitmap = new Bitmap(HeuristicLab.Common.Resources.VS2008ImageLibrary.Collapse);
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[2934] | 200 | this.expandIconMaterial = new ExpandableIconMaterial(expandBitmap, collapseBitmap);
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| 201 | this.expandIconMaterial.Gliding = false;
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| 202 | this.expandIconMaterial.Transform(new Rectangle(new Point(Rectangle.Right - 20, Rectangle.Y + 7), expandIconMaterial.Icon.Size));
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| 203 | this.expandIconMaterial.Visible = false;
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| 204 | this.expandIconMaterial.OnExpand += new EventHandler(expandIconMaterial_OnExpand);
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| 205 | this.expandIconMaterial.OnCollapse += new EventHandler(expandIconMaterial_OnCollapse);
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| 206 | this.Children.Add(expandIconMaterial);
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| 207 |
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| 208 | this.predecessor = this.CreateConnector("Predecessor", new Point(Rectangle.Left, Center.Y));
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| 209 | this.Connectors.Add(predecessor);
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| 210 |
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| 211 | this.successor = this.CreateConnector("Successor", (new Point(Rectangle.Right, Center.Y)));
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| 212 | this.Connectors.Add(successor);
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[2853] | 213 | }
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[2934] | 214 |
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| 215 | public override void Paint(Graphics g) {
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| 216 | base.Paint(g);
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| 217 |
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| 218 | g.SmoothingMode = SmoothingMode.HighQuality;
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| 219 |
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[3169] | 220 | Pen pen = new Pen(lineColor, lineWidth);
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[2934] | 221 |
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[3169] | 222 | SizeF titleSize = g.MeasureString(this.Title, ArtPalette.DefaultBoldFont, Rectangle.Width - 45);
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| 223 | if (titleSize.Height + 10 > Rectangle.Height) {
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| 224 | headerHeight = (int)titleSize.Height + 10;
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[3181] | 225 | this.UpdateLabels();
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[3169] | 226 | }
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| 227 |
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[2934] | 228 | GraphicsPath path = new GraphicsPath();
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| 229 | path.AddArc(Rectangle.X, Rectangle.Y, 20, 20, -180, 90);
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| 230 | path.AddLine(Rectangle.X + 10, Rectangle.Y, Rectangle.X + Rectangle.Width - 10, Rectangle.Y);
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| 231 | path.AddArc(Rectangle.X + Rectangle.Width - 20, Rectangle.Y, 20, 20, -90, 90);
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| 232 | path.AddLine(Rectangle.X + Rectangle.Width, Rectangle.Y + 10, Rectangle.X + Rectangle.Width, Rectangle.Y + Rectangle.Height - 10);
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| 233 | path.AddArc(Rectangle.X + Rectangle.Width - 20, Rectangle.Y + Rectangle.Height - 20, 20, 20, 0, 90);
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| 234 | path.AddLine(Rectangle.X + Rectangle.Width - 10, Rectangle.Y + Rectangle.Height, Rectangle.X + 10, Rectangle.Y + Rectangle.Height);
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| 235 | path.AddArc(Rectangle.X, Rectangle.Y + Rectangle.Height - 20, 20, 20, 90, 90);
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| 236 | path.AddLine(Rectangle.X, Rectangle.Y + Rectangle.Height - 10, Rectangle.X, Rectangle.Y + 10);
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| 237 | //shadow
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| 238 | if (ArtPalette.EnableShadows) {
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| 239 | Region darkRegion = new Region(path);
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| 240 | darkRegion.Translate(5, 5);
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| 241 | g.FillRegion(ArtPalette.ShadowBrush, darkRegion);
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| 242 | }
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| 243 | //background
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| 244 | g.FillPath(Brush, path);
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| 245 |
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| 246 | using (LinearGradientBrush gradientBrush = new LinearGradientBrush(Rectangle.Location, new Point(Rectangle.X + Rectangle.Width, Rectangle.Y), this.Color, Color.White)) {
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| 247 | Region gradientRegion = new Region(path);
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| 248 | g.FillRegion(gradientBrush, gradientRegion);
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| 249 | }
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| 250 |
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| 251 | if (!this.Collapsed) {
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| 252 | TextStyle textStyle = new TextStyle(Color.Black, new Font("Arial", 7), StringAlignment.Near, StringAlignment.Near);
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| 253 | StringFormat stringFormat = textStyle.StringFormat;
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| 254 | stringFormat.Trimming = StringTrimming.EllipsisWord;
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| 255 | stringFormat.FormatFlags = StringFormatFlags.LineLimit;
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| 256 | Rectangle rect;
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| 257 |
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| 258 | for (int i = 0; i < this.labels.Count; i++) {
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[3169] | 259 | rect = new Rectangle(Rectangle.X + 25, Rectangle.Y + headerHeight + i * (LABEL_HEIGHT + LABEL_SPACING), LABEL_WIDTH, LABEL_HEIGHT);
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[2934] | 260 | g.DrawString(textStyle.GetFormattedText(this.labels[i]), textStyle.Font, textStyle.GetBrush(), rect, stringFormat);
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| 261 | }
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| 262 | }
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| 263 |
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| 264 | //the border
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| 265 | g.DrawPath(pen, path);
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| 266 |
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| 267 | //the title
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[3169] | 268 | g.DrawString(this.Title, ArtPalette.DefaultBoldFont, Brushes.Black, new Rectangle(Rectangle.X + 25, Rectangle.Y + 5, Rectangle.Width - 45, Rectangle.Height - 5));
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[2934] | 269 |
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[3169] | 270 |
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[2934] | 271 | //the material
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| 272 | foreach (IPaintable material in Children)
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| 273 | material.Paint(g);
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| 274 |
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| 275 | //the connectors
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| 276 | if (this.ShowConnectors) {
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| 277 | for (int k = 0; k < Connectors.Count; k++)
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| 278 | Connectors[k].Paint(g);
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| 279 | }
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| 280 | }
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[2853] | 281 | }
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| 282 | }
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