Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/ParameterMatrix.java @ 2521:fe177e7f61d1
Added a new UIProvider that renders a matrix of checkboxes for user input.
flys-client/trunk@4401 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 14 May 2012 14:45:02 +0000 |
parents | |
children | 261347ea60b8 |
rev | line source |
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2521
fe177e7f61d1
Added a new UIProvider that renders a matrix of checkboxes for user input.
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1 package de.intevation.flys.client.client.ui; |
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2 |
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3 import java.io.Serializable; |
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4 |
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5 import java.util.ArrayList; |
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6 import java.util.HashMap; |
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7 import java.util.List; |
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8 import java.util.Map; |
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9 |
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10 import com.google.gwt.core.client.GWT; |
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11 import com.google.gwt.user.client.ui.CheckBox; |
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12 import com.google.gwt.user.client.ui.Grid; |
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13 import com.google.gwt.user.client.ui.Widget; |
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14 import com.google.gwt.user.client.ui.ClickListener; |
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15 |
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16 import com.smartgwt.client.widgets.Canvas; |
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17 import com.smartgwt.client.widgets.Label; |
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18 import com.smartgwt.client.widgets.layout.VLayout; |
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19 |
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20 import de.intevation.flys.client.shared.model.DataItem; |
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21 import de.intevation.flys.client.shared.model.IntegerOptionsData; |
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22 |
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23 |
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24 public class ParameterMatrix { |
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25 |
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26 public static class Column implements Serializable { |
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27 protected String name; |
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28 protected Map<String, String> values; |
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29 |
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30 private Column() { |
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31 this.values = new HashMap<String, String>(); |
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32 } |
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33 |
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34 public Column(String name) { |
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35 this(); |
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36 this.name = name; |
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37 } |
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38 |
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39 public void addValue(String label, String value) { |
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40 values.put(label, value); |
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41 } |
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42 |
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43 public String getValue(String label) { |
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44 return values.get(label); |
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45 } |
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46 } // end of class Column |
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47 |
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48 |
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49 public static final int CELL_HEIGHT = 25; |
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50 |
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51 private Map<String, Column> columns; |
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52 private List<String> columnNames; |
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53 private List<String> valueNames; |
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54 |
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55 private Map<String, List<String>> selected; |
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56 |
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57 public ParameterMatrix() { |
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58 super(); |
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59 this.columns = new HashMap<String, Column>(); |
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60 this.columnNames = new ArrayList<String>(); |
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61 this.valueNames = new ArrayList<String>(); |
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62 this.selected = new HashMap<String, List<String>>(); |
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63 } |
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64 |
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65 |
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66 public void addColumn(IntegerOptionsData group) { |
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67 String groupTitle = group.getLabel(); |
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68 |
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69 Column col = new Column(groupTitle); |
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70 for (DataItem item: group.getItems()) { |
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71 String title = item.getLabel(); |
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72 |
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73 if (valueNames.indexOf(title) < 0) { |
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74 valueNames.add(title); |
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75 } |
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76 |
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77 col.addValue(item.getLabel(), item.getStringValue()); |
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78 } |
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79 |
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80 columnNames.add(groupTitle); |
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81 columns.put(groupTitle, col); |
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82 } |
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83 |
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84 |
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85 public Widget create() { |
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86 Grid grid = new Grid(valueNames.size()+1, columnNames.size() + 1); |
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87 |
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88 for (int i = 0, n = columnNames.size(); i < n; i++) { |
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89 String columnName = columnNames.get(i); |
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90 Column col = columns.get(columnName); |
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91 |
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92 selected.put(columnName, new ArrayList<String>()); |
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93 |
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94 grid.setWidget(0, i+1, createLabel(columnName)); |
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95 |
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96 for (int j = 0, o = valueNames.size(); j < o; j++) { |
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97 String valueName = valueNames.get(j); |
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98 String value = col.getValue(valueName); |
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99 |
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100 if (i == 0) { |
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101 grid.setWidget(j+1, 0, createLabel(valueName)); |
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102 } |
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103 |
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104 if (value != null && value.length() > 0) { |
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105 grid.setWidget(j+1, i+1, createWidget(columnName, value)); |
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106 } |
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107 } |
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108 } |
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109 |
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110 return grid; |
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111 } |
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112 |
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113 |
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114 protected Label createLabel(String text) { |
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115 Label label = new Label(text); |
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116 label.setHeight(CELL_HEIGHT); |
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117 |
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118 return label; |
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119 } |
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120 |
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121 |
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122 protected CheckBox createWidget(final String colName, final String value) { |
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123 CheckBox box = new CheckBox(); |
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124 box.addClickListener(new ClickListener() { |
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125 @Override |
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126 public void onClick(Widget sender) { |
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127 CheckBox box = (CheckBox) sender; |
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128 Map<String, List<String>> selection = getSelection(); |
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129 |
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130 List<String> values = selection.get(colName); |
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131 if (values.indexOf(value) >= 0) { |
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132 values.remove(value); |
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133 } |
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134 else { |
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135 values.add(value); |
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136 } |
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137 } |
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138 }); |
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139 |
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140 return box; |
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141 } |
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142 |
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143 |
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144 public Map<String, List<String>> getSelection() { |
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145 return selected; |
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146 } |
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147 } |
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148 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |