1 | /*
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2 | * Licensed under the Apache License, Version 2.0 (the "License");
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3 | * you may not use this file except in compliance with the License.
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4 | * You may obtain a copy of the License at
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5 | *
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6 | * http://www.apache.org/licenses/LICENSE-2.0
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7 | *
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8 | * Unless required by applicable law or agreed to in writing, software
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9 | * distributed under the License is distributed on an "AS IS" BASIS,
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10 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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11 | * See the License for the specific language governing permissions and
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12 | * limitations under the License.
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13 | */
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14 | package org.tp23.antinstaller.renderer.swing;
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15 |
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16 | import java.util.ArrayList;
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17 |
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18 | import javax.swing.JPanel;
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19 |
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20 | import org.tp23.antinstaller.ResourceBundleHelper;
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21 | import org.tp23.antinstaller.input.ConditionalField;
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22 | import org.tp23.antinstaller.input.InputField;
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23 | import org.tp23.antinstaller.renderer.RendererFactory;
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24 | import org.tp23.antinstaller.runtime.ConfigurationException;
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25 | import org.tp23.antinstaller.runtime.logic.Expression;
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26 | import org.tp23.gui.GBCF;
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27 |
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28 | /**
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29 | * Conditionally render a collection of fields.
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30 | * For now, will ONLY handle <code><hiddeb></code> fields
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31 | *
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32 | * @author mwilson
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33 | * @version $Id
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34 | * @since 0.7.4 patch 7
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35 | */
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36 | public class ConditionalFieldRenderer extends SwingOutputFieldRenderer {
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37 |
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38 | private ResourceBundleHelper resHelper = new ResourceBundleHelper( "resources.LanguagePack" );
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39 | private ConditionalField condField;
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40 | private ArrayList renderers = new ArrayList( );
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41 |
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42 | public ConditionalFieldRenderer() {
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43 | }
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44 |
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45 | public void initComponent( JPanel parent ) {
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46 |
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47 | condField = (ConditionalField) outputField;
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48 | InputField[] fields = condField.getFields();
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49 |
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50 | for (int i = 0; i < fields.length; i++) {
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51 | try {
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52 | SwingOutputFieldRenderer renderer = RendererFactory.getSwingRenderer(fields[i]);
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53 | renderer.setOutputField(fields[i]);
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54 | renderer.setInstallerContext(ctx);
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55 | renderers.add( renderer );
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56 | }
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57 | catch( ClassNotFoundException clsNotFndExc ) {
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58 |
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59 | }
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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 updateInputField() {
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65 |
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66 | if( expressionIsTrue() ) {
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67 | int listSize = renderers.size();
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68 | for( int i = 0; i < listSize; i++ ) {
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69 | SwingOutputFieldRenderer renderer = (SwingOutputFieldRenderer) renderers.get( i );
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70 | renderer.updateInputField();
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71 | }
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72 | }
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73 |
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74 | }
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75 |
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76 | public void updateDefaultValue() {
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77 | if( expressionIsTrue() ) {
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78 | int listSize = renderers.size();
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79 | for( int i = 0; i < listSize; i++ ) {
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80 | SwingOutputFieldRenderer renderer = (SwingOutputFieldRenderer) renderers.get( i );
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81 | renderer.updateDefaultValue();
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82 | }
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83 | }
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84 | }
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85 |
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86 | public void renderError() {
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87 | int listSize = renderers.size();
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88 | for( int i = 0; i < listSize; i++ ) {
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89 | SwingOutputFieldRenderer renderer = (SwingOutputFieldRenderer) renderers.get( i );
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90 | renderer.renderError();
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91 | }
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92 | }
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93 |
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94 | public int addSelf( JPanel content, GBCF cf, int row, boolean overflow ) {
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95 | return row;
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96 | }
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97 |
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98 | private boolean expressionIsTrue() {
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99 | Expression expr = null;
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100 |
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101 | try {
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102 | expr = condField.getExpression();
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103 | }
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104 | catch( ConfigurationException configExc ) {
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105 | ctx.log( resHelper.getMessage( "invalid.conditional.expression", configExc ) );
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106 | return false;
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107 | }
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108 |
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109 | return expr.evaluate();
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110 | }
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111 | }
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