Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/SingleLocationPanel.java @ 4221:480de0dbca8e

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Extended location input helper. The locationpicker has now an attribute whether the input is distance or location to display one or two clickable columns. Replaced the record click handler with cell click handler.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 23 Oct 2012 13:17:20 +0200
parents 03de5c424f95
children
rev   line source
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234c78a91c15 Added new UI provider for single location selection.
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1 package de.intevation.flys.client.client.ui;
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2
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3 import com.google.gwt.i18n.client.NumberFormat;
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4
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5 import com.smartgwt.client.data.Record;
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6
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7 import com.smartgwt.client.widgets.grid.events.CellClickEvent;
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8
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9 import de.intevation.flys.client.shared.model.Data;
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10
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11 import java.util.ArrayList;
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12 import java.util.List;
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13
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14 /**
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15 * This UIProvider creates a widget to enter a single location (km).
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16 */
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17 public class SingleLocationPanel
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18 extends MultipleLocationPanel
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19 {
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20 private static final long serialVersionUID = -300641333561787454L;
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21
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22
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23 /**
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24 * Creates a new SingleLocationPanel instance.
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25 */
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26 public SingleLocationPanel() {
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27 picker = new LocationPicker(this);
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28 }
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29
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30
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31 /** Overridden to restrict to one entered value. */
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32 @Override
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33 public List<String> validate() {
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34 List<String> errors = new ArrayList<String>();
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35 NumberFormat nf = NumberFormat.getDecimalFormat();
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36
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37 saveLocationValues(locationPanel);
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38
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39 if (!locationPanel.validateForm()) {
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40 errors.add(MSG.wrongFormat());
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41 return errors;
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42 }
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43
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44 double[] values = getLocationValues();
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45 double[] good = new double[values.length];
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46 int idx = 0;
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47
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48 // We want just one value to be allowed.
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49 if (values.length > 1) {
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50 errors.add(MSG.too_many_values());
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51 }
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52
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53 for (double value: values) {
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54 if (value < min || value > max) {
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55 String tmp = MSG.error_validate_range();
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56 tmp = tmp.replace("$1", nf.format(value));
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57 tmp = tmp.replace("$2", nf.format(min));
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58 tmp = tmp.replace("$3", nf.format(max));
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59 errors.add(tmp);
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60 }
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61 else {
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62 good[idx++] = value;
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63 }
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64 }
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65
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66 double[] justGood = new double[idx];
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67 for (int i = 0; i < justGood.length; i++) {
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68 justGood[i] = good[i];
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69 }
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70
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71 if (!errors.isEmpty()) {
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72 locationPanel.setValues(justGood);
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73 }
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74
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75 return errors;
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76 }
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77
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78
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79 /**
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80 * This method returns the selected data.
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81 *
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82 * @return the selected/inserted data.
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83 */
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84 @Override
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85 public Data[] getData() {
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86 saveLocationValues(locationPanel);
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87 double[] values = getLocationValues();
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88 Data[] data = new Data[values.length+1];
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89
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90 for (int i = 0; i < values.length; i++) {
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91 data[i] = createDataArray(getDataItemName(),
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92 Double.valueOf(values[i]).toString());
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93 }
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94
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95 data[values.length] = createDataArray("ld_mode", "locations");
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96
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97 return data;
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98 }
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99
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100
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101 /* This is a copy of super.super.onRecordClick. Straighten out
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102 this weird family. */
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103 /**
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104 * Callback when an item from the input helper was clicked.
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105 * Set the respective km-value in the location value field.
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106 * @param e event passed.
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107 */
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108 @Override
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109 public void onCellClick (CellClickEvent e) {
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110 Record record = e.getRecord();
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111 double[] selected = new double[1];
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112 try {
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113 selected[0] =
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114 Double.parseDouble(record.getAttribute("from"));
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115 }
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116 catch(NumberFormatException nfe) {
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117 // Is there anything else to do here?
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118 }
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119 setLocationValues(selected);
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120 }
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121
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122
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123 @Override
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124 protected String getLabelString() {
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125 return MSG.single_location();
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126 }
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127 }
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128 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org