1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.ComponentModel;
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4 | using System.Drawing;
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5 | using System.Data;
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6 | using System.Text;
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7 | using System.Windows.Forms;
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8 | using HeuristicLab.Core;
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9 | using HeuristicLab.Data;
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10 |
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11 | namespace HeuristicLab.Communication.Data {
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12 | public partial class StateTransitionView : ViewBase {
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13 |
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14 | public StateTransition StateTransition {
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15 | get { return (StateTransition)Item; }
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16 | set { base.Item = value; }
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17 | }
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18 |
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19 | public StateTransitionView() {
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20 | InitializeComponent();
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21 | }
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22 |
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23 | public StateTransitionView(StateTransition stateTransition)
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24 | : this() {
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25 | StateTransition = stateTransition;
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26 | }
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27 |
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28 | protected override void RemoveItemEvents() {
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29 | StateTransition.Changed -= new EventHandler(StateTransition_Changed);
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30 | ConstrainedItemList request = StateTransition.SourceState.SendingData;
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31 | ConstrainedItemList response = StateTransition.SourceState.ReceivingData;
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32 |
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33 | request.Changed -= new EventHandler(VariablesList_Changed);
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34 | request.ItemAdded -= new EventHandler<ItemIndexEventArgs>(Parameter_Added);
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35 | request.ItemRemoved -= new EventHandler<ItemIndexEventArgs>(Parameter_Removed);
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36 | for (int i = 0 ; i < request.Count ; i++)
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37 | request[i].Changed -= new EventHandler(Parameter_Changed);
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38 | response.Changed -= new EventHandler(VariablesList_Changed);
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39 | response.ItemAdded -= new EventHandler<ItemIndexEventArgs>(Parameter_Added);
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40 | response.ItemRemoved -= new EventHandler<ItemIndexEventArgs>(Parameter_Removed);
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41 | for (int i = 0 ; i < response.Count ; i++)
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42 | response[i].Changed -= new EventHandler(Parameter_Changed);
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43 | base.RemoveItemEvents();
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44 | }
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45 | protected override void AddItemEvents() {
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46 | base.AddItemEvents();
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47 | StateTransition.Changed += new EventHandler(StateTransition_Changed);
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48 | ConstrainedItemList request = StateTransition.SourceState.SendingData;
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49 | ConstrainedItemList response = StateTransition.SourceState.ReceivingData;
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50 |
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51 | request.Changed += new EventHandler(VariablesList_Changed);
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52 | request.ItemAdded += new EventHandler<ItemIndexEventArgs>(Parameter_Added);
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53 | request.ItemRemoved += new EventHandler<ItemIndexEventArgs>(Parameter_Removed);
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54 | for (int i = 0 ; i < request.Count ; i++)
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55 | request[i].Changed += new EventHandler(Parameter_Changed);
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56 | response.Changed += new EventHandler(VariablesList_Changed);
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57 | response.ItemAdded += new EventHandler<ItemIndexEventArgs>(Parameter_Added);
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58 | response.ItemRemoved += new EventHandler<ItemIndexEventArgs>(Parameter_Removed);
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59 | for (int i = 0 ; i < response.Count ; i++) {
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60 | response[i].Changed += new EventHandler(Parameter_Changed);
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61 | }
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62 | }
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63 |
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64 | protected override void UpdateControls() {
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65 | base.UpdateControls();
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66 | if (StateTransition == null) {
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67 | transitionFunctionProgrammableOperatorView.Enabled = false;
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68 | targetStateComboBox.Enabled = false;
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69 | targetStateComboBox.DataSource = null;
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70 | targetStateComboBox.Items.Clear();
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71 | } else {
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72 | targetStateComboBox.Enabled = true;
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73 | transitionFunctionProgrammableOperatorView.ProgrammableOperator = StateTransition.TransitionCondition;
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74 | transitionFunctionProgrammableOperatorView.Enabled = true;
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75 | BuildTargetStateComboBox();
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76 | BuildVariablesListBox();
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77 | }
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78 | }
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79 |
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80 | void StateTransition_Changed(object sender, EventArgs e) {
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81 | Refresh();
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82 | }
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83 |
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84 | void VariablesList_Changed(object sender, EventArgs e) {
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85 | BuildVariablesListBox();
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86 | }
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87 |
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88 | #region Events to synchronize changes in request/response variables to state transition
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89 | void Parameter_Changed(object sender, EventArgs e) {
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90 | BuildVariablesListBox();
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91 | }
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92 | void Parameter_Added(object sender, ItemIndexEventArgs e) {
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93 | ((IItem)e.Item).Changed += new EventHandler(Parameter_Changed);
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94 | }
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95 | void Parameter_Removed(object sender, ItemIndexEventArgs e) {
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96 | ((IItem)e.Item).Changed -= new EventHandler(Parameter_Changed);
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97 | }
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98 | #endregion
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99 |
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100 | private void BuildTargetStateComboBox() {
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101 | ComboBox comboBox = targetStateComboBox;
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102 | ItemList<ProtocolState> states;
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103 | if (StateTransition.SourceState == null || StateTransition.SourceState.Protocol == null)
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104 | states = null;
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105 | else
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106 | states = StateTransition.SourceState.Protocol.States;
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107 | ProtocolState selected = StateTransition.TargetState;
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108 | ProtocolState forbidden = StateTransition.SourceState;
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109 |
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110 | if (states != null && states.Count > 0) {
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111 | IList<ProtocolState> sourceList = new List<ProtocolState>(states.Count);
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112 | int selectedIndex = -1, counter = -1;
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113 | for (int i = 0 ; i < states.Count ; i++) {
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114 | if (forbidden == null || !states[i].Guid.Equals(forbidden.Guid)) {
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115 | sourceList.Add((ProtocolState)states[i]);
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116 | counter++;
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117 | }
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118 | if (selected != null && states[i].Guid.Equals(selected.Guid))
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119 | selectedIndex = counter;
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120 | }
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121 | comboBox.SelectedIndexChanged -= new EventHandler(targetStateComboBox_SelectedIndexChanged);
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122 | BindingList<ProtocolState> bl = new BindingList<ProtocolState>(sourceList);
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123 | comboBox.DataSource = bl;
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124 | comboBox.DisplayMember = "Name";
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125 | comboBox.ValueMember = "Guid";
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126 | comboBox.SelectedIndex = selectedIndex;
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127 | comboBox.SelectedIndexChanged += new EventHandler(targetStateComboBox_SelectedIndexChanged);
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128 | }
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129 | }
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130 |
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131 | private void BuildVariablesListBox() {
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132 | ListBox variables = variablesListBox;
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133 | ConstrainedItemList request = StateTransition.SourceState.SendingData;
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134 | ConstrainedItemList response = StateTransition.SourceState.ReceivingData;
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135 | variables.Items.Clear();
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136 | variables.Items.Add("==Sending==");
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137 | for (int i = 0 ; i < request.Count ; i++) {
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138 | variables.Items.Add(request[i]);
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139 | }
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140 | variables.Items.Add("==Receiving==");
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141 | for (int i = 0 ; i < response.Count ; i++) {
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142 | variables.Items.Add(response[i]);
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143 | }
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144 | }
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145 |
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146 | private void targetStateComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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147 | if (targetStateComboBox.SelectedIndex >= 0) {
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148 | StateTransition.TargetState = (ProtocolState)targetStateComboBox.SelectedItem;
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149 | }
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150 | }
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151 | }
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152 | }
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