svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / extension / selectioncount / SelectionCount.java @ 42811
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1 | 42557 | dmartinezizquierdo | /*
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2 | * Copyright 2015 DiSiD Technologies S.L.L. All rights reserved.
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3 | *
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4 | * Project : DiSiD org.gvsig.app.mainplugin
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5 | * SVN Id : $Id$
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6 | */
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7 | package org.gvsig.app.extension.selectioncount; |
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8 | |||
9 | import javax.swing.JLabel; |
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10 | |||
11 | import org.gvsig.fmap.dal.exception.DataException; |
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12 | import org.gvsig.fmap.dal.feature.FeatureSelection; |
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13 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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14 | import org.gvsig.fmap.dal.feature.FeatureStoreNotification; |
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15 | import org.gvsig.fmap.mapcontext.events.AtomicEvent; |
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16 | import org.gvsig.fmap.mapcontext.events.listeners.AtomicEventListener; |
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17 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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18 | import org.gvsig.fmap.mapcontext.layers.LayerCollectionEvent; |
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19 | import org.gvsig.fmap.mapcontext.layers.LayerEvent; |
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20 | import org.gvsig.fmap.mapcontext.layers.LayerListener; |
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21 | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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22 | import org.gvsig.fmap.mapcontrol.MapControl; |
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23 | import org.gvsig.gui.beans.controls.IControl; |
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24 | import org.gvsig.tools.observer.Observable; |
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25 | import org.gvsig.tools.observer.Observer; |
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26 | import org.slf4j.Logger; |
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27 | import org.slf4j.LoggerFactory; |
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28 | |||
29 | /**
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30 | * Counts total and selected features and shows them in the status bar
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31 | * @author Daniel Martinez
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32 | *
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33 | */
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34 | public class SelectionCount implements AtomicEventListener, LayerListener,Observer{ |
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35 | private static Logger logger = |
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36 | LoggerFactory.getLogger(SelectionCount.class); |
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37 | |||
38 | private MapControl mapControl;
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39 | private IControl control;
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40 | |||
41 | /**
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42 | * Listens the map control to show the count through the control in the status bar
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43 | * @param mapControl
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44 | * @param control
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45 | */
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46 | public SelectionCount (MapControl mapControl, IControl control){
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47 | this.mapControl=mapControl;
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48 | this.control=control;
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49 | mapControl.getMapContext().addAtomicEventListener(this);
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50 | } |
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51 | |||
52 | /**
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53 | * To use methods showFeatureCount and clean with another map control
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54 | * @param control
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55 | */
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56 | public SelectionCount (IControl control){
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57 | this.control=control;
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58 | } |
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59 | |||
60 | @Override
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61 | public void atomicEvent(AtomicEvent e) { |
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62 | LayerCollectionEvent[] events = e.getLayerCollectionEvents();
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63 | for( int i=0; i<events.length ; i++ ) { |
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64 | if( events[i].getEventType() == LayerCollectionEvent.LAYER_ADDED ) {
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65 | FLayer fLayer = events[i].getAffectedLayer(); |
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66 | fLayer.addLayerListener(this);
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67 | } |
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68 | if( events[i].getEventType() == LayerCollectionEvent.LAYER_REMOVED ) {
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69 | FLayer fLayer = events[i].getAffectedLayer(); |
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70 | fLayer.removeLayerListener(this);
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71 | showFeatureCount(mapControl); |
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72 | } |
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73 | } |
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74 | } |
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75 | |||
76 | @Override
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77 | public void visibilityChanged(LayerEvent e) { |
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78 | // Do nothing
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79 | } |
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80 | |||
81 | @Override
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82 | public void activationChanged(LayerEvent e) { |
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83 | if (e.getEventType()==LayerEvent.ACTIVATION_CHANGED){
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84 | FLayer fLayer =e.getSource(); |
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85 | 42811 | jjdelcerro | if( fLayer.isAvailable() ) {
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86 | showFeatureCount(mapControl); |
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87 | if (fLayer.isActive()){
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88 | if (fLayer instanceof FLyrVect) { |
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89 | FLyrVect lyrVect = (FLyrVect) fLayer; |
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90 | lyrVect.getFeatureStore().addObserver(this);
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91 | } |
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92 | }else{
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93 | if (fLayer instanceof FLyrVect) { |
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94 | FLyrVect lyrVect = (FLyrVect) fLayer; |
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95 | lyrVect.getFeatureStore().deleteObserver(this);
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96 | } |
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97 | 42557 | dmartinezizquierdo | } |
98 | } |
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99 | } |
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100 | } |
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101 | |||
102 | @Override
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103 | public void nameChanged(LayerEvent e) { |
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104 | // Do nothing
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105 | } |
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106 | |||
107 | @Override
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108 | public void editionChanged(LayerEvent e) { |
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109 | // Do nothing
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110 | } |
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111 | |||
112 | @Override
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113 | public void drawValueChanged(LayerEvent e) { |
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114 | // Do nothing
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115 | } |
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116 | |||
117 | @Override
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118 | public void update(final Observable observable, final Object notification) { |
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119 | if (notification instanceof FeatureStoreNotification) { |
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120 | FeatureStoreNotification event |
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121 | = (FeatureStoreNotification) notification; |
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122 | if (event.getType() == FeatureStoreNotification.AFTER_DELETE ||
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123 | event.getType() == FeatureStoreNotification.AFTER_INSERT || |
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124 | event.getType() == FeatureStoreNotification.AFTER_FINISHEDITING || |
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125 | event.getType() == FeatureStoreNotification.SELECTION_CHANGE ){ |
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126 | |||
127 | if (event.getSource() instanceof FeatureStore){ |
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128 | showFeatureCount(mapControl); |
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129 | } |
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130 | } |
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131 | } |
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132 | } |
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133 | |||
134 | /**
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135 | * Gets the features from the selected layers and shows them through the control
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136 | * @param mapControl
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137 | */
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138 | public void showFeatureCount(MapControl mapControl){ |
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139 | Long totalFeaturesCount=Long.valueOf(0); |
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140 | Long selectedFeaturesCount=Long.valueOf(0);; |
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141 | if (mapControl!=null){ |
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142 | FLayer[] actives =mapControl.getMapContext().getLayers().getActives();
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143 | if (actives!=null && actives.length>0){ |
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144 | for(FLayer fLayer:actives){
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145 | if (fLayer instanceof FLyrVect) { |
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146 | FLyrVect lyrVect = (FLyrVect) fLayer; |
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147 | FeatureStore featureStore=lyrVect.getFeatureStore(); |
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148 | if (featureStore != null) { |
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149 | try {
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150 | totalFeaturesCount += |
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151 | featureStore.getFeatureCount(); |
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152 | } catch (DataException e) {
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153 | logger.warn( |
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154 | "Problem obtaining total features count");
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155 | totalFeaturesCount = 0L;
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156 | } |
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157 | try {
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158 | FeatureSelection featureSelection = |
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159 | featureStore.getFeatureSelection(); |
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160 | if (featureSelection != null) { |
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161 | selectedFeaturesCount += |
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162 | featureSelection.getSize(); |
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163 | } |
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164 | } catch (DataException e) {
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165 | logger.warn( |
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166 | "Problem obtaining selected features count");
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167 | selectedFeaturesCount = 0L;
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168 | } |
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169 | } |
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170 | } |
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171 | } |
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172 | messageToStatusBar(totalFeaturesCount,selectedFeaturesCount); |
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173 | }else {
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174 | clean(); |
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175 | } |
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176 | }else {
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177 | clean(); |
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178 | } |
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179 | } |
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180 | |||
181 | /**
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182 | * Cleans the text shown in the control
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183 | */
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184 | public void clean(){ |
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185 | if (control!=null && control instanceof JLabel ){ |
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186 | JLabel jlabel = (JLabel)control; |
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187 | jlabel.setText("");
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188 | } |
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189 | } |
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190 | |||
191 | private void messageToStatusBar(Long totalFeaturesCount, Long selectedFeaturesCount){ |
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192 | String strTotal;
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193 | String strSelected;
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194 | if (totalFeaturesCount!=null){ |
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195 | strTotal=totalFeaturesCount.toString(); |
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196 | }else{
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197 | strTotal="N/A";
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198 | } |
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199 | if (selectedFeaturesCount!=null){ |
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200 | strSelected=selectedFeaturesCount.toString(); |
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201 | }else{
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202 | strSelected="N/A";
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203 | } |
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204 | if (control!=null && control instanceof JLabel ){ |
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205 | JLabel jlabel = (JLabel)control; |
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206 | jlabel.setText(strSelected+"/"+strTotal);
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207 | } |
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208 | } |
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209 | |||
210 | } |