1 | package com.framsticks.gui; |
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2 | |
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3 | import com.framsticks.communication.Subscription; |
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4 | import com.framsticks.communication.util.LoggingStateCallback; |
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5 | import com.framsticks.core.ListChange; |
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6 | import com.framsticks.core.Path; |
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7 | import com.framsticks.gui.components.ValueControl; |
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8 | import com.framsticks.gui.view.TreeCellRenderer; |
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9 | import com.framsticks.params.AccessInterface; |
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10 | import com.framsticks.params.Param; |
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11 | import com.framsticks.params.types.*; |
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12 | import com.framsticks.remote.*; |
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13 | import com.framsticks.util.Casting; |
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14 | import com.framsticks.util.Future; |
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15 | import com.framsticks.util.Logging; |
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16 | import com.framsticks.util.StateFunctor; |
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17 | import org.apache.log4j.Logger; |
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18 | |
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19 | import javax.swing.tree.DefaultMutableTreeNode; |
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20 | import javax.swing.tree.TreePath; |
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21 | import java.util.HashMap; |
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22 | import java.util.LinkedList; |
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23 | import java.util.List; |
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24 | import java.util.Map; |
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25 | |
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26 | /** |
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27 | * @author Piotr Sniegowski |
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28 | */ |
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29 | public class TreeNode extends DefaultMutableTreeNode implements NodeListener { |
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30 | |
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31 | private static final Logger LOGGER = Logger.getLogger(TreeNode.class.getName()); |
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32 | |
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33 | Panel panel; |
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34 | |
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35 | final protected Frame frame; |
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36 | final protected EndpointAtFrame endpoint; |
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37 | |
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38 | final protected Map<EventParam, Subscription> userSubscriptions = new HashMap<EventParam, Subscription>(); |
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39 | protected Map<ValueControl, Object> changedValues = null; |
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40 | protected String tooltip; |
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41 | protected String name; |
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42 | protected String iconName; |
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43 | protected Path path; |
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44 | |
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45 | |
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46 | public TreeNode(Frame frame, EndpointAtFrame endpoint, final Path path) { |
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47 | assert frame.isActive(); |
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48 | this.frame = frame; |
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49 | LOGGER.debug("creating treenode for: " + path); |
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50 | this.path = path; |
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51 | this.endpoint = endpoint; |
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52 | |
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53 | name = path.getTop().getParam().getId(); |
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54 | iconName = TreeCellRenderer.findIconName(name, path.getTextual()); |
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55 | tooltip = "?"; |
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56 | path.getInstance().invokeLater(new Runnable() { |
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57 | @Override |
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58 | public void run() { |
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59 | updateDescriptions(path); |
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60 | } |
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61 | }); |
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62 | } |
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63 | |
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64 | public void fetch(final Path p) { |
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65 | assert p.getInstance().isActive(); |
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66 | LOGGER.debug("fetching: " + p); |
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67 | p.getInstance().fetchValues(p, new StateFunctor() { |
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68 | @Override |
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69 | public void call(Exception e) { |
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70 | assert p.getInstance().isActive(); |
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71 | if (Logging.log(LOGGER, "fetch", TreeNode.this, e)) { |
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72 | frame.invokeLater(new Runnable() { |
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73 | @Override |
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74 | public void run() { |
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75 | LOGGER.debug("removing node from tree: " + p); |
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76 | TreeNode.this.removeFromParent(); |
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77 | frame.repaintTree(); |
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78 | } |
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79 | }); |
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80 | return; |
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81 | } |
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82 | updateChildren(p); |
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83 | frame.invokeLater(new Runnable() { |
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84 | @Override |
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85 | public void run() { |
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86 | //TODO maybe this should be called from some better place |
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87 | useOrCreatePanel(); |
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88 | } |
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89 | }); |
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90 | |
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91 | } |
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92 | }); |
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93 | } |
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94 | |
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95 | protected void postUpdatePath(final Path newPath) { |
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96 | assert !frame.isActive(); |
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97 | /** TODO those two actions could be merged into single closure */ |
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98 | frame.invokeLater(new Runnable() { |
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99 | @Override |
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100 | public void run() { |
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101 | updatePath(newPath); |
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102 | } |
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103 | }); |
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104 | updateDescriptions(newPath); |
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105 | } |
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106 | |
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107 | protected void updatePath(Path newPath) { |
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108 | assert frame.isActive(); |
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109 | if (!path.isResolved()) { |
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110 | path = newPath; |
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111 | LOGGER.debug("updated treenode's path: " + path); |
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112 | return; |
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113 | } |
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114 | if (path.matches(newPath)) { |
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115 | return; |
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116 | } |
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117 | this.removeAllChildren(); |
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118 | } |
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119 | |
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120 | /** Update children, by removing non existing and adding new ones. |
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121 | */ |
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122 | protected void updateChildren(final Path p) { |
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123 | assert p.getInstance().isActive(); |
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124 | LOGGER.debug("updating children of " + this); |
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125 | AccessInterface access = p.getInstance().bindAccess(p.getTop()); |
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126 | if (access == null) { |
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127 | return; |
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128 | } |
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129 | final List<Path> childrenPaths = new LinkedList<Path>(); |
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130 | /**Prepare path for each child.*/ |
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131 | for (Param param : access.getParams()) { |
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132 | if (!(param instanceof CompositeParam)) { |
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133 | continue; |
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134 | } |
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135 | Path childPath = p.appendParam((CompositeParam)param); |
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136 | childrenPaths.add(childPath); |
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137 | } |
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138 | /**If some child were found, update in frame context.*/ |
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139 | if (childrenPaths.size() > 0) { |
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140 | frame.invokeLater(new Runnable() { |
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141 | @Override |
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142 | public void run() { |
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143 | TreePath treePath = frame.startChange(); |
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144 | updatePath(p); |
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145 | Map<String, TreeNode> current = new HashMap<String, TreeNode>(); |
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146 | for (int c = 0; c < TreeNode.this.getChildCount(); ++c) { |
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147 | TreeNode n = (TreeNode)TreeNode.this.getChildAt(c); |
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148 | current.put(n.path.getLastElement(), n); |
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149 | } |
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150 | for (final Path childPath : childrenPaths) { |
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151 | String e = childPath.getLastElement(); |
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152 | if (current.containsKey(e)) { |
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153 | /* |
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154 | final TreeNode n = current.get(e); |
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155 | childPath.getInstance().invokeLater(new Runnable() { |
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156 | @Override |
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157 | public void run() { |
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158 | n.updateChildren(childPath); |
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159 | } |
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160 | }); |
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161 | */ |
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162 | current.remove(e); |
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163 | continue; |
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164 | } |
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165 | TreeNode childNode = new TreeNode(frame, endpoint, childPath); |
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166 | TreeNode.this.add(childNode); |
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167 | } |
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168 | for (TreeNode n : current.values()) { |
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169 | TreeNode.this.remove(n); |
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170 | } |
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171 | frame.markNodeChanged(TreeNode.this, treePath); |
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172 | frame.repaintTree(); |
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173 | LOGGER.debug("updated children of " + TreeNode.this); |
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174 | } |
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175 | }); |
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176 | } else { |
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177 | LOGGER.debug("no children in " + TreeNode.this); |
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178 | } |
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179 | } |
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180 | |
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181 | public void select() { |
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182 | final Path p = path; |
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183 | |
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184 | p.getInstance().invokeLater(new Runnable() { |
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185 | @Override |
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186 | public void run() { |
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187 | final Path updated = (p.isResolved()) ? p : p.findResolution(); |
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188 | if (updated.isResolved()) { |
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189 | Logging.log(LOGGER, "update", updated, null); |
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190 | fetch(updated); |
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191 | postUpdatePath(updated); |
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192 | return; |
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193 | } |
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194 | p.getInstance().resolve(updated, new Future<Path>() { |
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195 | @Override |
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196 | public void result(final Path result, Exception e) { |
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197 | if (Logging.log(LOGGER, "resolve and select", TreeNode.this, e)) { |
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198 | return; |
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199 | } |
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200 | |
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201 | fetch(result); |
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202 | postUpdatePath(result); |
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203 | } |
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204 | }); |
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205 | } |
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206 | }); |
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207 | |
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208 | } |
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209 | |
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210 | @Override |
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211 | public String toString() { |
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212 | return path.toString(); |
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213 | } |
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214 | |
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215 | public final Panel getPanel() { |
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216 | assert frame.isActive(); |
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217 | return panel; |
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218 | } |
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219 | |
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220 | protected void updateDescriptions(final Path p) { |
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221 | assert p.getInstance().isActive(); |
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222 | if (!p.isResolved()) { |
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223 | return; |
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224 | } |
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225 | AccessInterface access = p.getInstance().bindAccess(p); |
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226 | if (access == null) { |
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227 | return; |
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228 | } |
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229 | StringBuilder t = new StringBuilder(); |
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230 | /** html formatting is used here, since tooltips in swing do not support simple \n line breaks */ |
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231 | t.append("<html>"); |
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232 | t.append("frams: ").append(access.getId()).append("<br/>"); |
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233 | t.append("java: ").append(p.getTopObject().getClass().getCanonicalName()).append("<br/>"); |
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234 | t.append("access: ").append(access.getClass().getSimpleName()); |
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235 | t.append("</html>"); |
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236 | final String tooltip = t.toString(); |
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237 | |
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238 | StringParam nameParam = Casting.tryCast(StringParam.class, access.getParam("name")); |
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239 | final String name = (nameParam != null ? access.get(nameParam, String.class) : path.getTop().getParam().getId()); |
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240 | |
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241 | frame.invokeLater(new Runnable() { |
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242 | @Override |
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243 | public void run() { |
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244 | |
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245 | TreeNode.this.tooltip = tooltip; |
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246 | TreeNode.this.name = name; |
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247 | } |
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248 | }); |
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249 | } |
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250 | |
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251 | /* |
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252 | public void updateData() { |
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253 | assert browser.isActive(); |
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254 | final Node node = getNode(); |
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255 | browser.manager.invokeLater(new Runnable() { |
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256 | @Override |
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257 | public void run() { |
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258 | node.fetchValues(new StateFunctor() { |
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259 | @Override |
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260 | public void call(Exception e) { |
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261 | if (e != null) { |
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262 | return; |
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263 | } |
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264 | browser.invokeLater(new Runnable() { |
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265 | @Override |
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266 | public void run() { |
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267 | assert browser.isActive(); |
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268 | if (panel.getCurrentTreeNode() == TreeNode.this) { |
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269 | panel.refreshComponents(); |
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270 | } |
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271 | |
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272 | browser.tree.repaint(); |
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273 | panel.refreshComponents(); |
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274 | } |
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275 | }); |
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276 | } |
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277 | }); |
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278 | } |
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279 | }); |
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280 | } |
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281 | */ |
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282 | |
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283 | public void showPanel() { |
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284 | assert frame.isActive(); |
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285 | assert panel != null; |
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286 | frame.showPanel(panel); |
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287 | } |
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288 | |
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289 | public void fillPanelWithValues() { |
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290 | assert frame.isActive(); |
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291 | final Path p = path; |
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292 | assert p.isResolved(); |
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293 | assert panel != null; |
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294 | panel.setCurrentTreeNode(this); |
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295 | p.getInstance().invokeLater(new Runnable() { |
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296 | @Override |
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297 | public void run() { |
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298 | AccessInterface access = p.getInstance().bindAccess(p); |
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299 | panel.refreshComponents(access); |
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300 | |
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301 | frame.invokeLater(new Runnable() { |
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302 | @Override |
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303 | public void run() { |
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304 | showPanel(); |
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305 | } |
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306 | }); |
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307 | } |
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308 | }); |
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309 | |
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310 | } |
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311 | |
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312 | public void useOrCreatePanel() { |
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313 | assert frame.isActive(); |
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314 | if (panel != null) { |
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315 | LOGGER.trace("panel is already attached: " + path); |
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316 | fillPanelWithValues(); |
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317 | return; |
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318 | } |
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319 | if (!path.isResolved()) { |
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320 | LOGGER.trace("path is not resolved: " + path); |
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321 | return; |
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322 | } |
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323 | |
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324 | CompositeParam param = path.getTop().getParam(); |
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325 | panel = endpoint.findPanel(param.computeAccessId()); |
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326 | if (panel != null) { |
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327 | LOGGER.debug("found prepared panel for: " + path); |
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328 | fillPanelWithValues(); |
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329 | return; |
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330 | } |
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331 | final Path p = path; |
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332 | LOGGER.debug("preparing panel: " + p); |
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333 | p.getInstance().invokeLater(new Runnable() { |
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334 | @Override |
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335 | public void run() { |
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336 | assert p.getInstance().isActive(); |
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337 | final CompositeParam param = p.getTop().getParam(); |
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338 | if (param instanceof ObjectParam) { |
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339 | AccessInterface access = p.getInstance().prepareAccess(param); |
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340 | final List<Param> params = new LinkedList<Param>(); |
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341 | for (Param p : access.getParams()) { |
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342 | if (p instanceof CompositeParam) { |
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343 | continue; |
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344 | } |
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345 | params.add(p); |
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346 | } |
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347 | frame.invokeLater(new Runnable() { |
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348 | @Override |
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349 | public void run() { |
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350 | panel = new ObjectPanel(endpoint, param.getContainedTypeName(), params); |
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351 | fillPanelWithValues(); |
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352 | } |
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353 | }); |
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354 | return; |
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355 | } |
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356 | if (param instanceof ListParam) { |
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357 | frame.invokeLater(new Runnable() { |
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358 | @Override |
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359 | public void run() { |
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360 | panel = new ListPanel(endpoint); |
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361 | fillPanelWithValues(); |
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362 | } |
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363 | }); |
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364 | return; |
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365 | //return panel = new ListPanel(browser, access); |
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366 | } |
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367 | assert false; |
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368 | } |
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369 | }); |
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370 | } |
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371 | |
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372 | public String getTooltip() { |
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373 | assert frame.isActive(); |
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374 | return tooltip; |
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375 | } |
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376 | |
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377 | |
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378 | |
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379 | |
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380 | /*public void subscribe(final EventParam eventParam) { |
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381 | assert browser.isActive(); |
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382 | if (hasSubscribed(eventParam)) { |
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383 | LOGGER.error(eventParam + " is already subscribed for " + this); |
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384 | return; |
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385 | } |
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386 | Node node = getNode(); |
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387 | node.getConnection().subscribe(node.getPath() + "/" + eventParam.getId(), new SubscriptionCallback() { |
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388 | @Override |
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389 | public EventCallback subscribed(final Subscription subscription) { |
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390 | if (subscription == null) { |
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391 | LOGGER.error("subscription failed"); |
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392 | return null; |
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393 | } |
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394 | if (hasSubscribed(eventParam)) { |
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395 | //abort subscription |
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396 | return null; |
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397 | } |
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398 | userSubscriptions.put(eventParam, subscription); |
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399 | LOGGER.debug("subscription succeeded: " + subscription); |
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400 | subscription.setDispatcher(browser); |
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401 | return new EventCallback() { |
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402 | @Override |
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403 | public void call(SourceInterface content) { |
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404 | assert browser.isActive(); |
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405 | LOGGER.info("event " + subscription + " occurred"); |
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406 | } |
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407 | }; |
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408 | } |
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409 | }); |
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410 | |
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411 | }*/ |
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412 | |
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413 | public boolean hasSubscribed(EventParam param) { |
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414 | assert frame.isActive(); |
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415 | return userSubscriptions.containsKey(param); |
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416 | } |
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417 | |
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418 | public void unsubscribe(EventParam eventParam) { |
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419 | assert frame.isActive(); |
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420 | if (!hasSubscribed(eventParam)) { |
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421 | LOGGER.error("could not unsubscribe from " + eventParam); |
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422 | return; |
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423 | } |
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424 | userSubscriptions.get(eventParam).unsubscribe(new LoggingStateCallback(LOGGER, "unsubscribed " + eventParam)); |
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425 | userSubscriptions.remove(eventParam); |
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426 | } |
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427 | |
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428 | /* |
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429 | |
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430 | @Override |
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431 | public void onChildChange(final Child child, ListChange.Action action) { |
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432 | assert browser.manager.isActive(); |
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433 | |
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434 | switch (action) { |
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435 | case Remove: { |
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436 | Dispatching.invokeDispatch(browser, browser.manager, new Runnable() { |
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437 | @Override |
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438 | public void run() { |
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439 | assert browser.manager.isActive(); |
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440 | final TreeNode treeNode = (TreeNode) child.getUserObject(); |
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441 | if (treeNode == null) { |
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442 | LOGGER.error("child " + child + " had no tree node attached"); |
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443 | return; |
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444 | } |
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445 | browser.invokeLater(new Runnable() { |
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446 | @Override |
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447 | public void run() { |
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448 | assert browser.isActive(); |
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449 | TreePath path = browser.startChange(); |
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450 | //assert treeNode.getParent() == TreeNode.this; |
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451 | if (treeNode.getParent() != null) { |
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452 | browser.treeModel.removeNodeFromParent(treeNode); |
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453 | } |
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454 | //remove(treeNode); |
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455 | browser.markNodeChanged(TreeNode.this, path); |
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456 | } |
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457 | }); |
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458 | } |
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459 | }); |
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460 | break; |
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461 | } |
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462 | } |
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463 | |
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464 | } |
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465 | */ |
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466 | |
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467 | public String getName() { |
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468 | return name; |
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469 | } |
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470 | |
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471 | public String getIconName() { |
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472 | return iconName; |
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473 | } |
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474 | |
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475 | @Override |
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476 | public void onUpgrade(Path path) { |
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477 | } |
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478 | |
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479 | @Override |
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480 | public void onChange(Path path) { |
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481 | } |
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482 | |
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483 | @Override |
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484 | public void onChildChange(Path path, ListChange.Action action) { |
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485 | } |
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486 | |
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487 | public final Frame getFrame() { |
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488 | return frame; |
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489 | } |
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490 | |
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491 | public boolean changeValue(ValueControl component, Object newValue) { |
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492 | LOGGER.debug("changing value of " + component + " to '" + newValue + "'"); |
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493 | |
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494 | if (changedValues == null) { |
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495 | changedValues = new HashMap<ValueControl, Object>(); |
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496 | } |
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497 | changedValues.put(component, newValue); |
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498 | |
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499 | return true; |
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500 | } |
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501 | |
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502 | public Path getInstancePath() { |
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503 | assert frame.isActive(); |
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504 | return path; |
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505 | } |
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506 | |
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507 | public void applyChanges() { |
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508 | assert frame.isActive(); |
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509 | if (changedValues == null) { |
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510 | return; |
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511 | } |
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512 | final Map<ValueControl, Object> changes = changedValues; |
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513 | changedValues = null; |
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514 | endpoint.getEndpoint().invokeLater(new Runnable() { |
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515 | @Override |
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516 | public void run() { |
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517 | for (Map.Entry<ValueControl, Object> e : changes.entrySet()) { |
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518 | final ValueControl key = e.getKey(); |
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519 | final Path p = path; |
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520 | endpoint.getEndpoint().getInstance().storeValue(p, e.getKey().getParam(), e.getValue(), new StateFunctor() { |
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521 | @Override |
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522 | public void call(Exception e) { |
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523 | changes.remove(key); |
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524 | if (!changes.isEmpty()) { |
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525 | return; |
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526 | } |
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527 | LOGGER.debug("applied changes for: " + p); |
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528 | frame.invokeLater(new Runnable() { |
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529 | @Override |
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530 | public void run() { |
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531 | fillPanelWithValues(); |
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532 | } |
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533 | }); |
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534 | } |
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535 | }); |
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536 | } |
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537 | } |
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538 | }); |
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539 | } |
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540 | |
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541 | } |
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