[13135] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2015 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.Windows.Forms;
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| 26 | using HeuristicLab.Core.Networks;
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| 27 | using HeuristicLab.Networks.Programmable;
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| 28 | using HeuristicLab.Visualization;
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| 29 |
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| 30 | namespace HeuristicLab.Networks.Views.NetworkVisualization.Views {
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| 31 | public class SelectChartMode : Visualization.SelectChartMode {
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| 32 | protected PortRectangle selectedPortRectangle;
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| 33 | protected NodeRectangle constrainingNodeRectangle;
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| 34 |
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| 35 | public SelectChartMode(ChartControl control) : base(control) { }
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| 36 |
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| 37 | protected override void OnDeselected() {
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| 38 | try {
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| 39 | chartControl.SuspendRendering();
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| 40 | if (selectedPortRectangle != null) {
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| 41 | selectedPortRectangle.Selected = false;
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| 42 | selectedPortRectangle = null;
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| 43 | constrainingNodeRectangle = null;
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| 44 | }
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| 45 | } finally {
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| 46 | chartControl.ResumeRendering();
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| 47 | base.OnDeselected();
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| 48 | }
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| 49 | }
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| 50 |
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| 51 | public override void HandleOnMouseDown(object sender, MouseEventArgs e) {
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| 52 | try {
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| 53 | switch (e.Button) {
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| 54 | case MouseButtons.Left:
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| 55 | chartControl.SuspendRendering();
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| 56 |
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| 57 | if (selectedPortRectangle != null) {
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| 58 | selectedPortRectangle.Selected = false;
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| 59 | selectedPortRectangle = null;
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| 60 | constrainingNodeRectangle = null;
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| 61 | }
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| 62 |
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| 63 | var worldLocation = chartControl.Chart.TransformPixelToWorld(e.Location);
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| 64 | var nodeRectangles = chartControl.Chart.Group.Primitives.OfType<NodeRectangle>();
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| 65 | foreach (var nodeRectangle in nodeRectangles) {
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| 66 | var node = nodeRectangle.NetworkItem;
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| 67 | var portRectangles = node.Ports.Select(nodeRectangle.GetPortPrimitive).OfType<PortRectangle>();
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| 68 | foreach (var portRectangle in portRectangles) {
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| 69 | portRectangle.Selected = selectedPortRectangle == null && portRectangle.ContainsPoint(worldLocation);
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| 70 | if (portRectangle.Selected) {
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| 71 | selectedPortRectangle = portRectangle;
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| 72 | constrainingNodeRectangle = nodeRectangle;
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[13799] | 73 | break;
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[13135] | 74 | }
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| 75 | }
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| 76 | }
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| 77 |
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| 78 | if (selectedPortRectangle != null)
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[13799] | 79 | foreach (var sp in chartControl.Chart.Group.SelectedPrimitives) {
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[13135] | 80 | sp.Selected = false;
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[13799] | 81 | OnSelectedPrimitivesChanged();
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| 82 | } else base.HandleOnMouseDown(sender, e);
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[13135] | 83 | break;
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| 84 | }
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| 85 | } finally {
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| 86 | chartControl.ResumeRendering();
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| 87 | }
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| 88 | }
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| 89 |
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| 90 | public override void HandleOnMouseMove(object sender, MouseEventArgs e) {
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| 91 | if (selectedPortRectangle != null) {
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| 92 | switch (e.Button) {
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| 93 | case MouseButtons.Left:
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| 94 | var point = chartControl.Chart.TransformPixelToWorld(e.Location);
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| 95 | var lowerLeft = constrainingNodeRectangle.LowerLeft;
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| 96 | var upperRight = constrainingNodeRectangle.UpperRight;
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| 97 |
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| 98 | if (point.X < lowerLeft.X) point.X = lowerLeft.X;
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| 99 | else if (point.X > upperRight.X) point.X = upperRight.X;
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| 100 | if (point.Y < lowerLeft.Y) point.Y = lowerLeft.Y;
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| 101 | else if (point.Y > upperRight.Y) point.Y = upperRight.Y;
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| 102 |
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| 103 | double dS = lowerLeft.Y - point.Y;
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| 104 | double dW = lowerLeft.X - point.X;
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| 105 |
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| 106 | double dX = upperRight.X - point.X; // dE
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| 107 | if (Math.Abs(dX) > Math.Abs(dW)) dX = dW;
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| 108 | double dY = upperRight.Y - point.Y; // dN
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| 109 | if (Math.Abs(dY) > Math.Abs(dS)) dY = dS;
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| 110 |
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| 111 | var offset = Offset.Empty;
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| 112 | if (Math.Abs(dX) < Math.Abs(dY)) offset.DX = dX;
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| 113 | else offset.DY = dY;
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| 114 |
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| 115 | point = point + offset;
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| 116 | offset = point - selectedPortRectangle.Point;
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| 117 | try {
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| 118 | chartControl.SuspendRendering();
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| 119 | selectedPortRectangle.Move(offset);
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| 120 | } finally { chartControl.ResumeRendering(); }
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| 121 | break;
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| 122 | }
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| 123 | } else
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| 124 | base.HandleOnMouseMove(sender, e);
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| 125 | previousLocation = e.Location;
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| 126 | }
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| 127 |
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| 128 | public override void HandleOnMouseDoubleClick(object sender, MouseEventArgs e) {
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| 129 | try {
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| 130 | switch (e.Button) {
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| 131 | case MouseButtons.Left:
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| 132 | var nodeRectangle = chartControl.Chart.GetPrimitive(e.Location) as NodeRectangle;
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| 133 | if (nodeRectangle != null)
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| 134 | MainForm.MainFormManager.MainForm.ShowContent(nodeRectangle.NetworkItem);
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| 135 | break;
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| 136 | }
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| 137 | } finally {
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| 138 | base.HandleOnMouseDoubleClick(sender, e);
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| 139 | }
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| 140 | }
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[13799] | 141 |
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| 142 | protected override void DeleteSelectedPrimitives() {
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| 143 | if (!(chartControl.Tag is IUserDefinedNetwork)) return;
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| 144 |
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| 145 | try {
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| 146 | chartControl.SuspendRendering();
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| 147 |
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| 148 | var connectionLines = chartControl.Chart.Group.Primitives.OfType<ConnectionLine>().ToList();
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| 149 | var nodeRectangles = chartControl.Chart.Group.Primitives.OfType<NodeRectangle>().ToList();
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| 150 | var portRectangles = nodeRectangles.SelectMany(x => x.NetworkItem.Ports.Select(x.GetPortPrimitive)).OfType<PortRectangle>().ToList();
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| 151 |
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| 152 | var deletedNodes = new HashSet<INode>();
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| 153 | var deletedPorts = new HashSet<IMessagePort>();
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| 154 |
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| 155 | foreach (var nodeRectangle in nodeRectangles) {
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| 156 | if (nodeRectangle.Selected) {
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| 157 | var node = nodeRectangle.NetworkItem;
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| 158 | if (node == null) continue;
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| 159 | deletedNodes.Add(node);
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| 160 | foreach (var port in node.Ports.OfType<IMessagePort>())
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| 161 | deletedPorts.Add(port);
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| 162 | }
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| 163 | }
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| 164 |
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| 165 | foreach (var portRectangle in portRectangles) {
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| 166 | if (portRectangle.Selected) {
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| 167 | var port = portRectangle.NetworkItem as IMessagePort;
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| 168 | if (port == null) continue;
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| 169 | port.Parent.Ports.Remove(port);
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| 170 | deletedPorts.Add(port);
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| 171 | }
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| 172 | }
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| 173 |
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| 174 | selectedPortRectangle = null;
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| 175 |
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| 176 | foreach (var connectionLine in connectionLines) {
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| 177 | var startPortRectangle = connectionLine.StartPortRectangle;
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| 178 | var endPortRectangle = connectionLine.EndPortRectangle;
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| 179 | if (startPortRectangle == null || endPortRectangle == null) continue;
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| 180 |
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| 181 | var startPort = startPortRectangle.NetworkItem as IMessagePort;
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| 182 | var endPort = endPortRectangle.NetworkItem as IMessagePort;
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| 183 | if (startPort == null || endPort == null) continue;
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| 184 |
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| 185 | if (connectionLine.Selected || deletedPorts.Contains(startPort) || deletedPorts.Contains(endPort))
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| 186 | startPort.ConnectedPort = null;
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| 187 | }
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| 188 |
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| 189 | foreach (var node in deletedNodes)
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| 190 | node.Parent.Nodes.Remove(node);
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| 191 | } finally { chartControl.ResumeRendering(); }
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| 192 | }
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[13135] | 193 | }
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| 194 | }
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