Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/widgets/KMSpinner.java @ 3717:3b4cef59836a

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KMSpinner refactoring flys-client/trunk@5482 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Christian Lins <christian.lins@intevation.de>
date Sun, 16 Sep 2012 12:38:24 +0000
parents
children 4aa7216b329a
rev   line source
3717
3b4cef59836a KMSpinner refactoring
Christian Lins <christian.lins@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.client.client.widgets;
3b4cef59836a KMSpinner refactoring
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2
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3 import com.google.gwt.core.client.GWT;
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4 import com.google.gwt.i18n.client.NumberFormat;
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Christian Lins <christian.lins@intevation.de>
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5 import com.smartgwt.client.data.Record;
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Christian Lins <christian.lins@intevation.de>
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6 import com.smartgwt.client.widgets.Button;
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Christian Lins <christian.lins@intevation.de>
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7 import com.smartgwt.client.widgets.Label;
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Christian Lins <christian.lins@intevation.de>
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8 import com.smartgwt.client.widgets.events.ClickEvent;
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Christian Lins <christian.lins@intevation.de>
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9 import com.smartgwt.client.widgets.form.DynamicForm;
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Christian Lins <christian.lins@intevation.de>
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10 import com.smartgwt.client.widgets.form.FormItemValueFormatter;
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Christian Lins <christian.lins@intevation.de>
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11 import com.smartgwt.client.widgets.form.FormItemValueParser;
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Christian Lins <christian.lins@intevation.de>
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12 import com.smartgwt.client.widgets.form.fields.FormItem;
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Christian Lins <christian.lins@intevation.de>
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13 import com.smartgwt.client.widgets.form.fields.TextItem;
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Christian Lins <christian.lins@intevation.de>
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14 import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
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15 import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
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16 import com.smartgwt.client.widgets.form.fields.events.KeyPressEvent;
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17 import com.smartgwt.client.widgets.form.fields.events.KeyPressHandler;
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Christian Lins <christian.lins@intevation.de>
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18 import com.smartgwt.client.widgets.layout.HLayout;
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19
3b4cef59836a KMSpinner refactoring
Christian Lins <christian.lins@intevation.de>
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20 import de.intevation.flys.client.shared.model.FacetRecord;
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21
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22 import java.util.ArrayList;
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23 import java.util.List;
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24
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Christian Lins <christian.lins@intevation.de>
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25 /**
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Christian Lins <christian.lins@intevation.de>
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26 * SpinnerItem-like element with text label and up/down buttons.
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27 */
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Christian Lins <christian.lins@intevation.de>
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28 public class KMSpinner extends HLayout {
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29 protected List<KMSpinnerChangeListener> listeners = new ArrayList<KMSpinnerChangeListener>();
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30
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31 protected Label label;
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32 protected FacetRecord facetRecord;
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33 protected double value;
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34
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Christian Lins <christian.lins@intevation.de>
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35 public KMSpinner(double initialValue, FacetRecord facetRecord) {
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36 super(2);
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37 this.facetRecord = facetRecord;
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38 this.value = initialValue;
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39
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40 setWidth("99%");
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41
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Christian Lins <christian.lins@intevation.de>
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42 // minusButton shall ask service for previous available cs.
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Christian Lins <christian.lins@intevation.de>
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43 Button minusButton = new Button("-");
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Christian Lins <christian.lins@intevation.de>
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44 minusButton.setWidth(18);
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Christian Lins <christian.lins@intevation.de>
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45 minusButton.setHeight(18);
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Christian Lins <christian.lins@intevation.de>
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46 minusButton.addClickHandler(new com.smartgwt.client.widgets.events.ClickHandler() {
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47 public void onClick(ClickEvent evt) {
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Christian Lins <christian.lins@intevation.de>
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48 fireChangedEvent(value - 0.1d, false);
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49 }
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50 });
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51
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52 DynamicForm form = new DynamicForm();
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Christian Lins <christian.lins@intevation.de>
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53 final TextItem kmField = new TextItem();
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Christian Lins <christian.lins@intevation.de>
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54 kmField.setValue(initialValue);
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Christian Lins <christian.lins@intevation.de>
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55 kmField.setWidth("*");
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Christian Lins <christian.lins@intevation.de>
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56 kmField.setTitle("");
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Christian Lins <christian.lins@intevation.de>
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57 kmField.setHeight(16);
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58
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Christian Lins <christian.lins@intevation.de>
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59 FormItemValueFormatter doubleFormat = new FormItemValueFormatter() {
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60 public String formatValue(Object value, Record record, DynamicForm form, FormItem item) {
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61 if (value != null) {
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62 NumberFormat nf = NumberFormat.getDecimalFormat();
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63 try {
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64 double d = Double.valueOf(value.toString()).doubleValue();
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Christian Lins <christian.lins@intevation.de>
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65 return nf.format(d);
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66 }
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67 catch (Exception e) {
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68 return value.toString();
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69 }
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70 }
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71 else {
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72 return null;
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73 }
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74 }
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Christian Lins <christian.lins@intevation.de>
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75 };
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Christian Lins <christian.lins@intevation.de>
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76 kmField.setEditorValueFormatter(doubleFormat);
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77
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78 FormItemValueParser doubleParser = new FormItemValueParser() {
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79 public Object parseValue(String value, DynamicForm form, FormItem item) {
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80 if (value == null)
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81 return null;
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Christian Lins <christian.lins@intevation.de>
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82 try {
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83 NumberFormat nf = NumberFormat.getDecimalFormat();
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84 double d = nf.parse(value.toString());
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85 return Double.toString(d);
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86 }
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87 catch(NumberFormatException nfe) {
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88 return value;
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89 }
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Christian Lins <christian.lins@intevation.de>
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90 }
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Christian Lins <christian.lins@intevation.de>
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91 };
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Christian Lins <christian.lins@intevation.de>
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92 kmField.setEditorValueParser(doubleParser);
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93
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94 // Update on focus lost and enter-pressed.
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Christian Lins <christian.lins@intevation.de>
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95 kmField.addBlurHandler(new BlurHandler() {
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96 @Override
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Christian Lins <christian.lins@intevation.de>
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97 public void onBlur(BlurEvent be) {
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Christian Lins <christian.lins@intevation.de>
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98 if (kmField.getValue() != null) {
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99 try {
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100 fireChangedEvent(Double.parseDouble(kmField.getValue().toString()), true);
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101 }
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102 catch(NumberFormatException nfe) {
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103 GWT.log("entered string cannot be parsed to double.");
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104 }
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105 }
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Christian Lins <christian.lins@intevation.de>
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106 }
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Christian Lins <christian.lins@intevation.de>
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107 });
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Christian Lins <christian.lins@intevation.de>
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108 kmField.addKeyPressHandler(new KeyPressHandler() {
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109 @Override
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110 public void onKeyPress(KeyPressEvent kpe) {
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111 if (kpe.getKeyName().equals("Enter")) {
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112 kmField.blurItem();
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113 }
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114 }
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Christian Lins <christian.lins@intevation.de>
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115 });
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116
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117 // TODO: i18n Now add all the validators, formatters, editors/parsers etc.
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118 form.setFields(kmField);
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119 form.setTitle("");
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120 form.setTitlePrefix("");
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Christian Lins <christian.lins@intevation.de>
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121 form.setTitleSuffix("");
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Christian Lins <christian.lins@intevation.de>
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122 form.setTitleWidth(0);
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Christian Lins <christian.lins@intevation.de>
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123 form.setWidth(50);
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124 form.setHeight(18);
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125
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126 // PlusButton shall ask service for next available cs.
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127 Button plusButton = new Button("+");
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128 plusButton.setWidth(18);
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129 plusButton.setHeight(18);
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130 plusButton.addClickHandler(new com.smartgwt.client.widgets.events.ClickHandler() {
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131 public void onClick(ClickEvent evt) {
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132 fireChangedEvent(value + 0.1d, true);
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133 }
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Christian Lins <christian.lins@intevation.de>
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134 });
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Christian Lins <christian.lins@intevation.de>
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135
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Christian Lins <christian.lins@intevation.de>
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136 this.addMember(minusButton);
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Christian Lins <christian.lins@intevation.de>
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137 this.addMember(form);
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138 this.addMember(plusButton);
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139 }
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140
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141 public void addChangeListener(KMSpinnerChangeListener listener) {
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142 this.listeners.add(listener);
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143 }
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144
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145 protected void fireChangedEvent(double val, boolean up) {
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Christian Lins <christian.lins@intevation.de>
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146 for(KMSpinnerChangeListener listener : listeners) {
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147 listener.spinnerValueEntered(this, val, facetRecord, up);
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148 }
3b4cef59836a KMSpinner refactoring
Christian Lins <christian.lins@intevation.de>
parents:
diff changeset
149 }
3b4cef59836a KMSpinner refactoring
Christian Lins <christian.lins@intevation.de>
parents:
diff changeset
150 }
3b4cef59836a KMSpinner refactoring
Christian Lins <christian.lins@intevation.de>
parents:
diff changeset
151
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