[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.Generic;
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| 24 | using System.ComponentModel;
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| 25 | using System.Drawing;
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| 26 | using System.Data;
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| 27 | using System.Text;
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| 28 | using System.Windows.Forms;
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[2474] | 29 | using HeuristicLab.Common;
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[2] | 30 |
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| 31 | namespace HeuristicLab.Core {
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[776] | 32 | /// <summary>
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| 33 | /// The visual representation of the variables of an operator.
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| 34 | /// </summary>
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[2] | 35 | public partial class OperatorBaseVariablesView : ViewBase {
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| 36 | private ChooseItemDialog chooseItemDialog;
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| 37 |
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[776] | 38 | /// <summary>
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| 39 | /// Gets or sets the operator whose variables to represent.
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| 40 | /// </summary>
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| 41 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="ViewBase"/>.
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| 42 | /// No own data storage present.</remarks>
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[2] | 43 | public IOperator Operator {
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| 44 | get { return (IOperator)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="OperatorBaseVariablesView"/> with caption "Operator".
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| 50 | /// </summary>
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[2] | 51 | public OperatorBaseVariablesView() {
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| 52 | InitializeComponent();
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| 53 | variablesListView.Columns[0].Width = Math.Max(0, variablesListView.Width - 25);
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| 54 | Caption = "Operator";
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| 55 | }
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[776] | 56 | /// <summary>
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| 57 | /// Initializes a new instance of <see cref="OperatorBaseVariablesView"/> with the given
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| 58 | /// operator <paramref name="op"/>.
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| 59 | /// </summary>
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| 60 | /// <remarks>Calls <see cref="OperatorBaseVariablesView"/>.</remarks>
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| 61 | /// <param name="op">The operator whose variables should be represented visually.</param>
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[2] | 62 | public OperatorBaseVariablesView(IOperator op)
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| 63 | : this() {
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| 64 | Operator = op;
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| 65 | }
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| 66 |
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[776] | 67 | /// <summary>
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| 68 | /// Removes the eventhandlers from the unterlying <see cref="IOperator"/>.
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| 69 | /// </summary>
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| 70 | /// <remarks>Calls <see cref="ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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[2] | 71 | protected override void RemoveItemEvents() {
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[2474] | 72 | Operator.VariableAdded -= new EventHandler<EventArgs<IVariable>>(OperatorBase_VariableAdded);
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| 73 | Operator.VariableRemoved -= new EventHandler<EventArgs<IVariable>>(OperatorBase_VariableRemoved);
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[2] | 74 | base.RemoveItemEvents();
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| 75 | }
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[776] | 76 | /// <summary>
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| 77 | /// Adds eventhandlers to the underlying <see cref="IOperator"/>.
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| 78 | /// </summary>
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| 79 | /// <remarks>Calls <see cref="ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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[2] | 80 | protected override void AddItemEvents() {
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| 81 | base.AddItemEvents();
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[2474] | 82 | Operator.VariableAdded += new EventHandler<EventArgs<IVariable>>(OperatorBase_VariableAdded);
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| 83 | Operator.VariableRemoved += new EventHandler<EventArgs<IVariable>>(OperatorBase_VariableRemoved);
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[2] | 84 | }
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| 85 |
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[776] | 86 | /// <summary>
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| 87 | /// Updates all controls with the latest data of the model.
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| 88 | /// </summary>
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| 89 | /// <remarks>Calls <see cref="ViewBase.UpdateControls"/> of base class <see cref="ViewBase"/>.</remarks>
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[2] | 90 | protected override void UpdateControls() {
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| 91 | base.UpdateControls();
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| 92 | variableDetailsGroupBox.Controls.Clear();
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| 93 | if (Operator == null) {
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| 94 | Caption = "Operator";
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| 95 | variablesListView.Enabled = false;
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| 96 | variableDetailsGroupBox.Enabled = false;
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| 97 | removeVariableButton.Enabled = false;
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| 98 | } else {
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| 99 | Caption = Operator.Name + " (" + Operator.GetType().Name + ")";
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| 100 | variablesListView.Enabled = true;
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| 101 | foreach (ListViewItem item in variablesListView.Items) {
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| 102 | ((IVariable)item.Tag).NameChanged -= new EventHandler(Variable_NameChanged);
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| 103 | }
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| 104 | variablesListView.Items.Clear();
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| 105 | foreach (IVariable variable in Operator.Variables) {
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| 106 | ListViewItem item = new ListViewItem();
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| 107 | item.Text = variable.Name;
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| 108 | item.Tag = variable;
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| 109 | variablesListView.Items.Add(item);
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| 110 | variable.NameChanged += new EventHandler(Variable_NameChanged);
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| 111 | }
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| 112 | if (variablesListView.Items.Count > 0)
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| 113 | variablesListView.SelectedIndices.Add(0);
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| 114 | }
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| 115 | }
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| 116 |
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| 117 | private void variablesListView_SelectedIndexChanged(object sender, EventArgs e) {
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| 118 | if (variableDetailsGroupBox.Controls.Count > 0)
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| 119 | variableDetailsGroupBox.Controls[0].Dispose();
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| 120 | variableDetailsGroupBox.Controls.Clear();
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| 121 | variableDetailsGroupBox.Enabled = false;
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| 122 | removeVariableButton.Enabled = false;
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| 123 | if (variablesListView.SelectedItems.Count > 0) {
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| 124 | removeVariableButton.Enabled = true;
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| 125 | }
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| 126 | if (variablesListView.SelectedItems.Count == 1) {
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| 127 | IVariable variable = (IVariable)variablesListView.SelectedItems[0].Tag;
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| 128 | Control editor = (Control)variable.CreateView();
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| 129 | variableDetailsGroupBox.Controls.Add(editor);
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| 130 | editor.Dock = DockStyle.Fill;
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| 131 | variableDetailsGroupBox.Enabled = true;
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | #region Size Changed Events
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| 136 | private void variablesListView_SizeChanged(object sender, EventArgs e) {
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| 137 | if (variablesListView.Columns.Count > 0)
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| 138 | variablesListView.Columns[0].Width = Math.Max(0, variablesListView.Width - 25);
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| 139 | }
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| 140 | #endregion
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| 141 |
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| 142 | #region Key Events
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| 143 | private void variablesListView_KeyDown(object sender, KeyEventArgs e) {
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| 144 | if (e.KeyCode == Keys.Delete) {
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| 145 | if (variablesListView.SelectedItems.Count > 0) {
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| 146 | foreach (ListViewItem item in variablesListView.SelectedItems)
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| 147 | Operator.RemoveVariable(((IVariable)item.Tag).Name);
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| 148 | }
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| 149 | }
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| 150 | }
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| 151 | #endregion
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| 152 |
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| 153 | #region Button Events
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| 154 | private void addVariableButton_Click(object sender, EventArgs e) {
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| 155 | if (chooseItemDialog == null) {
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| 156 | chooseItemDialog = new ChooseItemDialog();
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| 157 | chooseItemDialog.Caption = "Add Variable";
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| 158 | }
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| 159 | if (chooseItemDialog.ShowDialog(this) == DialogResult.OK) {
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| 160 | IVariable newVariable = new Variable(chooseItemDialog.Item.GetType().Name, chooseItemDialog.Item);
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| 161 | int index = 1;
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| 162 | bool valid = true;
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| 163 | string name = null;
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| 164 | do {
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| 165 | valid = true;
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| 166 | name = newVariable.Name + " (" + index.ToString() + ")";
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| 167 | foreach (IVariable existingVariable in Operator.Variables) {
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| 168 | if (existingVariable.Name == name) {
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| 169 | valid = false;
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| 170 | index++;
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| 171 | }
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| 172 | }
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| 173 | } while (!valid);
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| 174 | newVariable.Name = name;
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| 175 | Operator.AddVariable(newVariable);
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| 176 | }
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| 177 | }
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| 178 | private void removeVariableButton_Click(object sender, EventArgs e) {
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| 179 | if (variablesListView.SelectedItems.Count > 0) {
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| 180 | foreach (ListViewItem item in variablesListView.SelectedItems)
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| 181 | Operator.RemoveVariable(((IVariable)item.Tag).Name);
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| 182 | }
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| 183 | }
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| 184 | #endregion
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| 185 |
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| 186 | #region Variable Events
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| 187 | private void Variable_NameChanged(object sender, EventArgs e) {
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| 188 | IVariable variable = (IVariable)sender;
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| 189 | foreach (ListViewItem item in variablesListView.Items) {
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| 190 | if (item.Tag == variable)
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| 191 | item.Text = variable.Name;
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| 192 | }
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| 193 | }
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| 194 | #endregion
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| 195 |
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| 196 | #region OperatorBase Events
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[2474] | 197 | private void OperatorBase_VariableAdded(object sender, EventArgs<IVariable> e) {
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[2] | 198 | ListViewItem item = new ListViewItem();
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[2474] | 199 | item.Text = e.Value.Name;
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| 200 | item.Tag = e.Value;
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[2] | 201 | variablesListView.Items.Add(item);
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| 202 | // select the new item
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| 203 | foreach(ListViewItem oldSelected in variablesListView.SelectedItems) {
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| 204 | oldSelected.Selected = false;
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| 205 | }
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| 206 | item.Selected = true;
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[2474] | 207 | e.Value.NameChanged += new EventHandler(Variable_NameChanged);
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[2] | 208 | }
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[2474] | 209 | private void OperatorBase_VariableRemoved(object sender, EventArgs<IVariable> e) {
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[2] | 210 | ListViewItem itemToDelete = null;
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| 211 | foreach (ListViewItem item in variablesListView.Items) {
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[2474] | 212 | if (item.Tag == e.Value)
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[2] | 213 | itemToDelete = item;
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| 214 | }
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[2474] | 215 | e.Value.NameChanged -= new EventHandler(Variable_NameChanged);
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[2] | 216 | variablesListView.Items.Remove(itemToDelete);
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| 217 | }
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| 218 | #endregion
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| 219 | }
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| 220 | }
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