[2] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 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;
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| 24 | using System.Collections.Generic;
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| 25 | using System.ComponentModel;
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| 26 | using System.Drawing;
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| 27 | using System.Data;
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| 28 | using System.Text;
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| 29 | using System.Windows.Forms;
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| 30 | using HeuristicLab.PluginInfrastructure;
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| 31 |
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| 32 | namespace HeuristicLab.Core {
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[776] | 33 | /// <summary>
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| 34 | /// Visual representation of the class <see cref="IOperatorLibrary"/>.
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| 35 | /// </summary>
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[2] | 36 | public partial class OperatorLibraryEditor : EditorBase {
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| 37 | private ChooseOperatorDialog chooseOperatorDialog;
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| 38 |
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[776] | 39 | /// <summary>
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| 40 | /// Gets or sets the operator library that should be displayed.
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| 41 | /// </summary>
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| 42 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="EditorBase"/>.</remarks>
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[2] | 43 | public IOperatorLibrary OperatorLibrary {
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| 44 | get { return (IOperatorLibrary)Item; }
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| 45 | set { base.Item = value; }
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| 46 | }
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| 47 |
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[776] | 48 | /// <summary>
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| 49 | /// Initializes a new instance of <see cref="OperatorLibraryEditor"/> with caption
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| 50 | /// <c>Operator Library</c>.
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| 51 | /// </summary>
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[2] | 52 | public OperatorLibraryEditor() {
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| 53 | InitializeComponent();
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| 54 | operatorsTreeView.TreeViewNodeSorter = new NodeSorter();
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| 55 | Caption = "Operator Library";
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| 56 | }
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[776] | 57 | /// <summary>
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| 58 | /// Initializes a new instance of <see cref="OperatorLibraryEditor"/> with the
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| 59 | /// specified <paramref name="operatorLibrary"/>.
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| 60 | /// </summary>
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| 61 | /// <param name="operatorLibrary">The operator library to display.</param>
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[2] | 62 | public OperatorLibraryEditor(IOperatorLibrary operatorLibrary)
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| 63 | : this() {
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| 64 | OperatorLibrary = operatorLibrary;
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| 65 | }
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| 66 |
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| 67 | private class NodeSorter : IComparer {
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| 68 | public int Compare(object x, object y) {
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| 69 | TreeNode tx = x as TreeNode;
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| 70 | TreeNode ty = y as TreeNode;
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| 71 |
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| 72 | int result = string.Compare(tx.Text, ty.Text);
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| 73 | if (result == 0)
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| 74 | result = tx.Index.CompareTo(ty.Index);
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| 75 | return result;
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| 76 | }
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| 77 | }
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| 78 |
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[776] | 79 | /// <summary>
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| 80 | /// Updates all controls with the latest data of the model.
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| 81 | /// </summary>
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| 82 | /// <remarks>Calls <see cref="EditorBase.UpdateControls"/> of base class <see cref="EditorBase"/>.</remarks>
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[2] | 83 | protected override void UpdateControls() {
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| 84 | base.UpdateControls();
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| 85 | operatorsTreeView.Nodes.Clear();
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| 86 | addGroupButton.Enabled = false;
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| 87 | addOperatorButton.Enabled = false;
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| 88 | removeButton.Enabled = false;
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| 89 | if (OperatorLibrary == null) {
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| 90 | Caption = "Operator Library";
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| 91 | operatorsGroupBox.Enabled = false;
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| 92 | } else {
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| 93 | Caption = OperatorLibrary.Group.Name + " (" + OperatorLibrary.GetType().Name + ")";
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| 94 | operatorsGroupBox.Enabled = true;
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| 95 | operatorsTreeView.Nodes.Add(CreateTreeNode(OperatorLibrary.Group));
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| 96 | operatorsTreeView.Sort();
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| 97 | }
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| 98 | }
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| 99 |
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| 100 | private TreeNode CreateTreeNode(IOperatorGroup group) {
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| 101 | TreeNode node = new TreeNode();
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| 102 | node.Text = group.Name;
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| 103 | node.ForeColor = Color.LightGray;
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| 104 | node.Tag = group;
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| 105 |
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| 106 | foreach (IOperator op in group.Operators)
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| 107 | node.Nodes.Add(CreateTreeNode(op));
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| 108 | foreach (IOperatorGroup subGroup in group.SubGroups)
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| 109 | node.Nodes.Add(CreateTreeNode(subGroup));
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| 110 | return node;
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| 111 | }
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| 112 | private TreeNode CreateTreeNode(IOperator op) {
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| 113 | TreeNode node = new TreeNode();
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| 114 | node.Text = op.Name;
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| 115 | node.ToolTipText = op.GetType().Name;
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| 116 | node.Tag = op;
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| 117 | return node;
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| 118 | }
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| 119 | private void RemoveTreeNode(TreeNode node) {
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| 120 | if (node.Tag is IOperatorGroup) {
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| 121 | IOperatorGroup group = node.Tag as IOperatorGroup;
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| 122 | IOperatorGroup parent = node.Parent.Tag as IOperatorGroup;
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| 123 | parent.RemoveSubGroup(group);
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| 124 | } else if (node.Tag is IOperator) {
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| 125 | IOperator op = node.Tag as IOperator;
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| 126 | IOperatorGroup group = node.Parent.Tag as IOperatorGroup;
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| 127 | group.RemoveOperator(op);
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| 128 | }
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| 129 | node.Remove();
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| 130 | EnableDisableButtons();
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| 131 | }
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| 132 |
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| 133 | private void EnableDisableButtons() {
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| 134 | addGroupButton.Enabled = false;
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| 135 | addOperatorButton.Enabled = false;
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| 136 | removeButton.Enabled = false;
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| 137 | operatorsTreeView.Focus();
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| 138 |
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| 139 | if (operatorsTreeView.SelectedNode != null) {
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| 140 | if (operatorsTreeView.SelectedNode.Parent != null)
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| 141 | removeButton.Enabled = true;
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| 142 | if (operatorsTreeView.SelectedNode.Tag is IOperatorGroup) {
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| 143 | addGroupButton.Enabled = true;
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| 144 | addOperatorButton.Enabled = true;
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| 145 | }
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| 146 | }
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| 147 | }
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| 148 |
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| 149 | private void MergeOperatorLibrary(IOperatorGroup src, IOperatorGroup dest) {
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| 150 | foreach(IOperator op in src.Operators) {
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| 151 | if(!Contains(dest, op)) {
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| 152 | dest.AddOperator(op);
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| 153 | }
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| 154 | }
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| 155 |
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| 156 | foreach(OperatorGroup group in src.SubGroups) {
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| 157 | bool mergedIntoExistingGroup = false;
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| 158 | // try to find a group in dest with matching name
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| 159 | foreach(OperatorGroup destGroup in dest.SubGroups) {
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| 160 | if(group.Name == destGroup.Name) {
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| 161 | MergeOperatorLibrary(group, destGroup);
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| 162 | mergedIntoExistingGroup = true;
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| 163 | break;
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| 164 | }
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| 165 | }
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| 166 | if(!mergedIntoExistingGroup) {
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| 167 | OperatorGroup newGroup = new OperatorGroup();
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| 168 | newGroup.Name = group.Name;
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| 169 | dest.AddSubGroup(newGroup);
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| 170 | MergeOperatorLibrary(group, newGroup);
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| 171 | }
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| 172 | }
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| 173 | }
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| 174 |
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| 175 | private bool Contains(IOperatorGroup group, IOperator op) {
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| 176 | foreach(IOperator destOp in group.Operators) {
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| 177 | if(op.Name == destOp.Name) {
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| 178 | return true;
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| 179 | }
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| 180 | }
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| 181 | return false;
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| 182 | }
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| 183 |
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| 184 |
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| 185 | #region TreeView Events
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| 186 | private void operatorsTreeView_AfterSelect(object sender, TreeViewEventArgs e) {
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| 187 | EnableDisableButtons();
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| 188 | }
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| 189 | private void operatorsTreeView_AfterLabelEdit(object sender, NodeLabelEditEventArgs e) {
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| 190 | e.CancelEdit = false;
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| 191 |
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| 192 | string name = e.Label;
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| 193 | if (name != null) {
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| 194 | if (e.Node.Tag is IOperatorGroup)
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| 195 | ((IOperatorGroup)e.Node.Tag).Name = name;
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| 196 | else if (e.Node.Tag is IOperator)
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| 197 | ((IOperator)e.Node.Tag).Name = name;
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| 198 | }
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| 199 | }
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| 200 | private void operatorsTreeView_DoubleClick(object sender, EventArgs e) {
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| 201 | if (operatorsTreeView.SelectedNode != null) {
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| 202 | IOperator op = operatorsTreeView.SelectedNode.Tag as IOperator;
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| 203 | if (op != null) {
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| 204 | IView view = op.CreateView();
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| 205 | if (view != null)
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| 206 | PluginManager.ControlManager.ShowControl(view);
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| 207 | }
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| 208 | }
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| 209 | }
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| 210 | #endregion
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| 211 |
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| 212 | #region Button Events
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| 213 | private void addOperatorButton_Click(object sender, EventArgs e) {
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| 214 | if (chooseOperatorDialog == null) chooseOperatorDialog = new ChooseOperatorDialog();
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| 215 | if (chooseOperatorDialog.ShowDialog(this) == DialogResult.OK) {
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| 216 | TreeNode node = operatorsTreeView.SelectedNode;
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| 217 | IOperatorGroup group = node.Tag as IOperatorGroup;
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| 218 | group.AddOperator(chooseOperatorDialog.Operator);
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| 219 | node.Nodes.Add(CreateTreeNode(chooseOperatorDialog.Operator));
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| 220 | operatorsTreeView.Sort();
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| 221 | EnableDisableButtons();
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| 222 | }
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| 223 | }
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| 224 | private void addGroupButton_Click(object sender, EventArgs e) {
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| 225 | TreeNode node = operatorsTreeView.SelectedNode;
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| 226 | IOperatorGroup newGroup = new OperatorGroup();
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| 227 | IOperatorGroup group = node.Tag as OperatorGroup;
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| 228 | group.AddSubGroup(newGroup);
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| 229 | node.Nodes.Add(CreateTreeNode(newGroup));
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| 230 | operatorsTreeView.Sort();
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| 231 | EnableDisableButtons();
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| 232 | }
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| 233 | private void removeButton_Click(object sender, EventArgs e) {
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| 234 | TreeNode node = operatorsTreeView.SelectedNode;
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| 235 | RemoveTreeNode(node);
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| 236 | }
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| 237 | private void importButton_Click(object sender, EventArgs e) {
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| 238 | if(openFileDialog.ShowDialog() == DialogResult.OK) {
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| 239 | IOperatorLibrary loadedLibrary = (PersistenceManager.Load(openFileDialog.FileName) as IOperatorLibrary);
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| 240 | if(loadedLibrary == null) {
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| 241 | Auxiliary.ShowErrorMessageBox("The selected file does not contain an operator library");
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| 242 | } else {
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| 243 | MergeOperatorLibrary(loadedLibrary.Group, OperatorLibrary.Group);
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| 244 | Refresh();
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| 245 | }
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| 246 | }
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| 247 | }
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| 248 | #endregion
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| 249 |
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| 250 | #region Key Events
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| 251 | private void operatorsTreeView_KeyDown(object sender, KeyEventArgs e) {
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| 252 | TreeNode node = operatorsTreeView.SelectedNode;
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| 253 | if ((e.KeyCode == Keys.Delete) && (node != null) && (node.Parent != null))
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| 254 | RemoveTreeNode(operatorsTreeView.SelectedNode);
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| 255 | if ((e.KeyCode == Keys.F2) && (node != null))
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| 256 | node.BeginEdit();
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| 257 | }
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| 258 | #endregion
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| 259 |
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| 260 |
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| 261 | #region Mouse Events
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| 262 | private void operatorsTreeView_MouseDown(object sender, MouseEventArgs e) {
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| 263 | if (e.Button != MouseButtons.Right) return;
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| 264 | TreeNode clickedNode = operatorsTreeView.GetNodeAt(e.X, e.Y);
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| 265 | if (clickedNode != null) {
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| 266 | operatorsTreeView.SelectedNode = clickedNode;
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| 267 | operatorsTreeView.Refresh();
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| 268 | }
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| 269 | }
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| 270 | #endregion
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| 271 |
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| 272 |
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| 273 | #region Context Menu Events
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| 274 | private void contextMenuStrip_Opening(object sender, CancelEventArgs e) {
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| 275 | viewToolStripMenuItem.Enabled = false;
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| 276 | if (operatorsTreeView.SelectedNode != null) {
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| 277 | IOperator op = operatorsTreeView.SelectedNode.Tag as IOperator;
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| 278 | if (op != null) {
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| 279 | IView view = op.CreateView();
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| 280 | if (view != null) {
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| 281 | viewToolStripMenuItem.Enabled = true;
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| 282 | viewToolStripMenuItem.Tag = view;
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| 283 | }
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| 284 | }
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| 285 | }
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| 286 | }
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| 287 | private void viewToolStripMenuItem_Click(object sender, EventArgs e) {
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| 288 | IView view = (IView)viewToolStripMenuItem.Tag;
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| 289 | PluginManager.ControlManager.ShowControl(view);
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| 290 | }
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| 291 | #endregion
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| 292 |
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| 293 | #region Drag and Drop Events
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| 294 | private void operatorsTreeView_ItemDrag(object sender, ItemDragEventArgs e) {
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| 295 | TreeNode node = (TreeNode)e.Item;
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| 296 | IOperator op = node.Tag as IOperator;
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| 297 | if (op != null) {
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| 298 | DataObject data = new DataObject();
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| 299 | data.SetData("IOperator", op);
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| 300 | data.SetData("DragSource", operatorsTreeView);
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| 301 | DoDragDrop(data, DragDropEffects.Copy);
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| 302 | }
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| 303 | }
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| 304 | private void operatorsTreeView_DragEnter(object sender, DragEventArgs e) {
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| 305 | e.Effect = DragDropEffects.None;
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| 306 | if (e.Data.GetDataPresent("IOperator")) {
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| 307 | Point p = operatorsTreeView.PointToClient(new Point(e.X, e.Y));
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| 308 | TreeNode node = operatorsTreeView.GetNodeAt(p);
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| 309 | if ((node != null) && (node.Tag is IOperatorGroup))
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| 310 | e.Effect = DragDropEffects.Copy;
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| 311 | }
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| 312 | }
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| 313 | private void operatorsTreeView_DragOver(object sender, DragEventArgs e) {
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| 314 | e.Effect = DragDropEffects.None;
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| 315 | if (e.Data.GetDataPresent("IOperator")) {
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| 316 | Point p = operatorsTreeView.PointToClient(new Point(e.X, e.Y));
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| 317 | TreeNode node = operatorsTreeView.GetNodeAt(p);
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| 318 | if ((node != null) && (node.Tag is IOperatorGroup))
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| 319 | e.Effect = DragDropEffects.Copy;
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| 320 | }
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| 321 | }
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| 322 | private void operatorsTreeView_DragDrop(object sender, DragEventArgs e) {
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| 323 | if (e.Effect != DragDropEffects.None) {
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| 324 | if (e.Data.GetDataPresent("IOperator")) {
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| 325 | IOperator op = (IOperator)e.Data.GetData("IOperator");
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| 326 | Point p = operatorsTreeView.PointToClient(new Point(e.X, e.Y));
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| 327 | TreeNode node = operatorsTreeView.GetNodeAt(p);
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| 328 | if (node != null) {
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| 329 | op = (IOperator)op.Clone();
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| 330 |
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| 331 | while (op.SubOperators.Count > 0)
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| 332 | op.RemoveSubOperator(0);
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| 333 |
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| 334 | IOperatorGroup group = (IOperatorGroup)node.Tag;
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| 335 | group.AddOperator(op);
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| 336 | node.Nodes.Add(CreateTreeNode(op));
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| 337 | operatorsTreeView.Sort();
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| 338 | EnableDisableButtons();
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| 339 | }
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| 340 | }
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| 341 | }
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| 342 | }
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| 343 | #endregion
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| 344 |
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| 345 | }
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| 346 | }
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