1 | package org.greenstone.gatherer.gui;
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2 |
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3 | import java.awt.*;
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4 | import javax.swing.*;
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5 | import java.lang.reflect.*;
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6 |
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7 | public class TestingPreparation {
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8 | public static boolean TEST_MODE = false;
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9 |
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10 |
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11 | /*
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12 | For GUI swing testing of GLI, it's very handy for components to have names
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13 | I use the GLI classname as name or if it's not a GLI class, then:
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14 | - if a member var of a GLI class, then GLIclassName.memberVarName
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15 | - else GLIClassName.swingComponentName
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16 | Google: "Java swing automatically setName"
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17 | -> https://stackoverflow.com/questions/3628218/strategy-for-naming-swing-components
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18 | https://stackoverflow.com/questions/1782598/with-java-reflection-how-to-instantiate-a-new-object-then-call-a-method-on-it
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19 | - https://stackoverflow.com/questions/4163500/how-to-automatic-set-name-attr-of-gui-components/4164479#4164479
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20 | - https://help.eclipse.org/mars/index.jsp?topic=%2Forg.eclipse.wb.swing.doc.user%2Fhtml%2Fwizards%2Fswing%2Fautomatic_databinding.html
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21 | - https://stackoverflow.com/questions/28639294/in-java-how-to-get-name-of-component-which-is-clicked
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22 | */
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23 | public static void setNamesRecursively(String prefix, Component root) {
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24 | if(!TEST_MODE) return;
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25 |
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26 | // root starts off as GLI's JFrame, so we know that all its GUI children are specifically JComponents
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27 |
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28 | // https://docs.oracle.com/javase/7/docs/api/index.html?java/lang/reflect/package-summary.html
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29 | String className = root.getClass().getSimpleName();
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30 |
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31 | String packageName = root.getClass().getPackage().getName();
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32 | if(!packageName.contains("org.greenstone.gatherer.gui")) {
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33 | if(root.getName() == null || root.getName().equals("")) { // if name not already set
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34 | if(!prefix.equals("")){
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35 | // TODO: fix this
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36 | root.setName(prefix + "." + className);
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37 | }
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38 | else {
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39 | root.setName(className);
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40 | }
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41 | } // else swing Component name already set
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42 |
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43 | } else { // root is in GLI GUI package, use its classname for name
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44 |
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45 | if(root.getName() == null || root.getName().equals("")) {
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46 | root.setName(className);
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47 | }
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48 | prefix = className;
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49 |
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50 | // check member vars
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51 | Field[] memberVars = root.getClass().getDeclaredFields(); // private to public member vars, but not inherited ones
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52 | for(int i = 0; i < memberVars.length; i++) {
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53 | memberVars[i].setAccessible(true); // make private/protected etc fields accessible
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54 |
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55 | // https://www.tutorialspoint.com/java/lang/class_isinstance.htm
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56 | Class jCompClass = Container.class;
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57 | Class memberVarClass = memberVars[i].getType();
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58 |
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59 | // memberVarClass is a JComponen (subclass)
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60 | if(jCompClass.isAssignableFrom(memberVarClass)) {
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61 |
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62 | // get the actual member variable denoted by memberVars[i]
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63 | // on the current JComponent instance 'root'.
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64 | // We now know this member var to be a JComponent
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65 | // Having the actual member variable of the instantiated instance,
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66 | // we can call setName on it
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67 | try {
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68 | Container memberComponent = (Container)memberVars[i].get(root);
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69 |
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70 | if(memberComponent != null) {
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71 |
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72 | // member var is a JComponent but not of GLI package, so locally instantiated
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73 | if(!memberVarClass.getPackage().getName().contains("org.greenstone.gatherer.gui")) {
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74 | String memberprefix = prefix + "." + memberVars[i].getName(); // append member var name
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75 | // now can call setName() on the actual member variable
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76 | memberComponent.setName(memberprefix);
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77 | setNamesRecursively(memberprefix, memberComponent);
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78 | }
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79 |
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80 | //else the member variable is a GLI GUI class, use its className as prefix for child components
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81 | // Skip this step to avoid circular references to our own member vars
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82 | /*else { // member variable is a GLI GUI class, use its className as prefix for child components
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83 | String memberprefix = memberVarClass.getSimpleName();
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84 | memberComponent.setName(memberprefix);
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85 | setNamesRecursively(memberprefix, memberComponent);
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86 | }*/
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87 |
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88 |
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89 | }
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90 | } catch(Exception e) {
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91 | e.printStackTrace();
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92 | }
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93 | }
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94 | // else not a JComponent, skip
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95 | }
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96 | }
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97 |
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98 |
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99 | // https://stackoverflow.com/questions/33927349/could-someone-please-explain-note-this-method-should-be-called-under-awt-tree
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100 | // No worries about AWT tree lock: setNamesRecursively is called by openGUI
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101 | // which is specifically called by GathererProg on the Event Dispatch Thread (EDT)
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102 | Component[] children = ((Container)root).getComponents();
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103 | for(int i = 0; i < children.length; i++) {
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104 | // if we haven't already set a name for any child JComponents with the above,
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105 | // then the following will do so now
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106 | setNamesRecursively(className, children[i]);
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107 | }
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108 |
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109 | }
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110 |
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111 |
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112 | // For debugging swing Component names assigned with Container's setName()
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113 | public static void printComponentNames(Component root, String tabbing) {
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114 | if(!TEST_MODE) return;
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115 |
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116 | System.err.println(tabbing + root.getName());
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117 | Component[] children = ((Container)root).getComponents();
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118 | // recursive call
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119 | for(int i = 0; i < children.length; i++) {
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120 | printComponentNames(children[i], tabbing + " ");
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121 | }
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122 | }
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123 | }
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