[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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| 29 | using HeuristicLab.Core;
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| 30 |
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| 31 | namespace HeuristicLab.Constraints {
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[1176] | 32 | /// <summary>
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| 33 | /// The visual representation of the <see cref="AllSubOperatorsTypeConstraint"/>.
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| 34 | /// </summary>
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[2] | 35 | public partial class AllSubOperatorsTypeConstraintView : ViewBase {
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[436] | 36 | private SubOperatorTypeConstraint constraint = new SubOperatorTypeConstraint();
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[2] | 37 |
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[1176] | 38 | /// <summary>
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| 39 | /// Gets or sets the SubOperatorTypeConstraint to display.
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| 40 | /// </summary>
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[2] | 41 | public SubOperatorTypeConstraint Constraint {
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| 42 | get { return constraint; }
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| 43 | set {
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| 44 | constraint = value;
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| 45 | UpdateAllowedOperatorsList();
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| 46 | }
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| 47 | }
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| 48 |
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[1176] | 49 | /// <summary>
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| 50 | /// Initializes a new instance of <see cref="AllSubOperatorsTypeConstraintView"/>.
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| 51 | /// </summary>
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[2] | 52 | public AllSubOperatorsTypeConstraintView() {
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| 53 | InitializeComponent();
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| 54 | }
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| 55 |
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[1176] | 56 | /// <summary>
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| 57 | /// Initializes a new instance of <see cref="AllSubOperatorsTypeConstraintView"/> with
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| 58 | /// the given <paramref name="constraint"/> to display.
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| 59 | /// </summary>
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| 60 | /// <param name="constraint">The constraint that should be displayed.</param>
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[2] | 61 | public AllSubOperatorsTypeConstraintView(SubOperatorTypeConstraint constraint) {
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[436] | 62 | this.constraint = constraint;
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[2] | 63 | InitializeComponent();
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| 64 | }
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| 65 |
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| 66 | private void UpdateAllowedOperatorsList() {
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| 67 | listView.Clear();
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| 68 | foreach(IOperator op in constraint.AllowedSubOperators) {
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| 69 | ListViewItem item = new ListViewItem();
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| 70 | item.Name = op.Name;
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| 71 | item.Text = op.Name;
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| 72 | item.Tag = op;
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| 73 | listView.Items.Add(item);
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| 74 | }
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| 75 | Refresh();
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| 76 | }
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| 77 |
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| 78 | private void op_NameChanged(object sender, EventArgs e) {
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| 79 | IOperator srcOp = (IOperator)sender;
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| 80 |
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| 81 | foreach(ListViewItem item in listView.Items) {
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| 82 | if(item.Tag == srcOp) {
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| 83 | item.Text = srcOp.Name;
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| 84 | item.Name = srcOp.Name;
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| 85 | break;
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| 86 | }
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| 87 | }
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| 88 | Refresh();
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| 89 | }
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| 90 |
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| 91 | #region Key Events
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| 92 | private void listView_KeyDown(object sender, KeyEventArgs e) {
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| 93 | if(e.KeyCode == Keys.Delete) {
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| 94 | while(listView.SelectedIndices.Count > 0) {
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| 95 | constraint.RemoveOperator((IOperator)listView.SelectedItems[0].Tag);
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| 96 | listView.Items.RemoveAt(listView.SelectedIndices[0]);
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| 97 | }
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| 98 | }
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| 99 | }
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| 100 | #endregion
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| 101 |
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[430] | 102 | #region Drag Events
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[2] | 103 | private void listView_DragDrop(object sender, DragEventArgs e) {
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| 104 | if(e.Effect != DragDropEffects.None) {
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| 105 | if(e.Data.GetDataPresent("IOperator")) {
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| 106 | IOperator op = (IOperator)e.Data.GetData("IOperator");
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| 107 | ListViewItem item = new ListViewItem();
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| 108 | item.Tag = op;
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| 109 | item.Name = op.Name;
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| 110 | item.Text = op.Name;
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| 111 | listView.Items.Add(item);
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| 112 | constraint.AddOperator(op);
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| 113 | op.NameChanged += new EventHandler(op_NameChanged);
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| 114 | listView.SelectedIndices.Clear();
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| 115 | }
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| 116 | }
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| 117 | }
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| 118 |
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| 119 | private void listView_DragEnter(object sender, DragEventArgs e) {
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| 120 | this.FindForm().BringToFront();
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| 121 | this.Focus();
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| 122 | e.Effect = DragDropEffects.None;
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| 123 | if(e.Data.GetDataPresent("IOperator")) {
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| 124 | IOperator op = (IOperator)e.Data.GetData("IOperator");
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| 125 | if(!ListContains(op)) {
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| 126 | e.Effect = DragDropEffects.Copy;
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| 127 | }
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| 128 | }
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| 129 | }
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| 130 |
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| 131 | private void listView_DragOver(object sender, DragEventArgs e) {
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| 132 | e.Effect = DragDropEffects.None;
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| 133 | if(e.Data.GetDataPresent("IOperator")) {
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| 134 | IOperator op = (IOperator)e.Data.GetData("IOperator");
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| 135 | if(!ListContains(op)) {
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| 136 | e.Effect = DragDropEffects.Copy;
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| 137 | }
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| 138 | }
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| 139 | }
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| 140 | #endregion
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| 141 |
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| 142 | #region button events
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| 143 | private void removeButton_Click(object sender, EventArgs e) {
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| 144 | while(listView.SelectedIndices.Count > 0) {
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| 145 | constraint.RemoveOperator((IOperator)listView.SelectedItems[0].Tag);
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| 146 | listView.Items.RemoveAt(listView.SelectedIndices[0]);
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| 147 | }
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| 148 | }
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| 149 | #endregion
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| 150 |
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| 151 | private bool ListContains(IOperator op) {
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| 152 | foreach(ListViewItem item in listView.Items) {
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| 153 | if(item.Tag == op) return true;
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| 154 | }
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| 155 | return false;
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| 156 | }
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| 157 |
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| 158 | private void listView_SelectedIndexChanged(object sender, EventArgs e) {
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| 159 | if(listView.SelectedItems.Count > 0) {
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| 160 | removeButton.Enabled = true;
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| 161 | } else {
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| 162 | removeButton.Enabled = false;
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| 163 | }
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| 164 | }
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| 165 | }
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| 166 | }
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