1 | package com.algomagic.atn; |
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2 | |
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3 | import att.grappa.*; |
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4 | |
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5 | |
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6 | public class NodeUpdate |
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7 | extends AbstractUpdate |
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8 | implements Update, VisualizationConstants |
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9 | { |
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10 | private String _name; |
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11 | private String _type; |
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12 | private String _cluster; |
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13 | |
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14 | private String _satisfied; |
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15 | private String _processed; |
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16 | |
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17 | private boolean _local; |
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18 | |
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19 | private NodeState _oldState; |
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20 | private boolean _newNode; |
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21 | |
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22 | public NodeUpdate( String name, |
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23 | String type, |
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24 | String cluster, |
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25 | String satisfied, |
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26 | String processed, |
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27 | int side, |
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28 | boolean local ) { |
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29 | _name = name; |
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30 | _type = type; |
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31 | _cluster = cluster; |
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32 | _satisfied = satisfied; |
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33 | _processed = processed; |
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34 | _side = side; |
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35 | _local = local; |
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36 | _newNode = false; |
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37 | } |
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38 | |
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39 | public String toString( ) { |
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40 | return "NodeUpdate: " + _name + " " + _type + " " + _cluster + " " + _satisfied + " " + _processed; |
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41 | } |
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42 | |
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43 | |
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44 | public boolean getLocal( ) { |
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45 | return _local; |
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46 | } |
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47 | |
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48 | public int initialize( VisualizationPanel visPanel ) { |
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49 | Graph g = visPanel.getGraph( ); |
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50 | |
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51 | Node n = g.findNodeByName( _name ); |
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52 | boolean newNode; |
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53 | int changed; |
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54 | |
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55 | if( n == null ) { |
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56 | new Node( g, _name ); |
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57 | NodeState ns = new NodeState( _name, _type ); |
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58 | changed = ns.updateState( this ); |
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59 | |
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60 | newNode = visPanel.addNodeState( ns ); |
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61 | _newNode = true; |
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62 | return 3; |
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63 | |
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64 | } else { |
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65 | |
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66 | NodeState ns = visPanel.getNodeState( _name ); |
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67 | changed = ns.updateState( this ); |
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68 | |
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69 | return changed; |
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70 | } |
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71 | |
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72 | } |
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73 | |
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74 | public Element getElement( VisualizationPanel visPanel ) { |
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75 | Graph g = visPanel.getGraph( ); |
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76 | return g.findNodeByName( _name ); |
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77 | } |
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78 | |
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79 | public boolean apply( VisualizationPanel visPanel ) { |
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80 | Graph g = visPanel.getGraph( ); |
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81 | Node n = g.findNodeByName( _name ); |
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82 | if( n != null ) { |
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83 | NodeState ns = visPanel.getNodeState( _name ); |
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84 | _oldState = new NodeState( ns ); |
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85 | |
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86 | ns.updateState( this ); |
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87 | visPanel.setNodeProperties( n, ns, _local, _newNode ); |
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88 | return true; |
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89 | } |
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90 | return false; |
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91 | } |
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92 | |
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93 | public void undo( VisualizationPanel visPanel ) { |
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94 | if( _oldState == null ) { |
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95 | throw new RuntimeException( ); |
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96 | } |
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97 | |
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98 | Graph g = visPanel.getGraph( ); |
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99 | Node n = g.findNodeByName( _name ); |
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100 | |
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101 | if( n == null ) { |
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102 | throw new RuntimeException( ); |
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103 | } |
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104 | |
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105 | NodeState ns = visPanel.getNodeState( _name ); |
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106 | ns.setHidden( _oldState.getHidden( ) ); |
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107 | ns.setSatisfied( _oldState.getSatisfied( ) ); |
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108 | |
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109 | visPanel.setNodeProperties( n, _oldState, _local, _newNode ); |
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110 | |
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111 | } |
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112 | |
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113 | public String getName( ) { |
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114 | return _name; |
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115 | } |
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116 | |
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117 | public String getSatisfied( ) { |
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118 | return _satisfied; |
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119 | } |
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120 | |
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121 | public String getProcessed( ) { |
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122 | return _processed; |
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123 | } |
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124 | |
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125 | public void setNew( ) { |
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126 | _newNode = true; |
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127 | } |
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128 | |
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129 | |
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130 | } |
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