limit the number of plots

pdb-ui/src/main/java/org/lucares/pdbui/PdbController.java

@@ -7,6 +7,7 @@ import java.util.Collections;
 import java.util.List;
 
 import org.lucares.ludb.Proposal;
+import org.lucares.pdb.plot.api.PlotSettings;
 import org.lucares.pdbui.domain.AutocompleteProposal;
 import org.lucares.pdbui.domain.AutocompleteProposalByValue;
 import org.lucares.pdbui.domain.AutocompleteResponse;
@@ -46,12 +47,10 @@ public class PdbController implements HardcodedValues, CollectionUtils {
 	PlotResponse createPlot(@RequestBody final PlotRequest request) {
 
 		try {
-			final String query = request.getQuery();
-			final int height = request.getHeight();
-			final int width = request.getWidth();
 
-			System.out.println(query);
-			final File image = plotter.plot(query, height, width, request.getGroupBy());
+			final PlotSettings plotSettings = PlotSettingsTransformer.toSettings(request);
+
+			final File image = plotter.plot(plotSettings);
 
 			final Path relativeImagePath = plotter.getOutputDir().relativize(image.toPath());
 			return new PlotResponse(WEB_IMAGE_OUTPUT_PATH + "/" + relativeImagePath.toString());

pdb-ui/src/main/java/org/lucares/pdbui/PlotSettingsTransformer.java

@@ -0,0 +1,35 @@
+package org.lucares.pdbui;
+
+import org.lucares.pdb.plot.api.Limit;
+import org.lucares.pdb.plot.api.PlotSettings;
+import org.lucares.pdbui.domain.LimitBy;
+import org.lucares.pdbui.domain.PlotRequest;
+
+class PlotSettingsTransformer {
+	static PlotSettings toSettings(final PlotRequest request) {
+
+		final PlotSettings result = new PlotSettings();
+
+		result.setQuery(request.getQuery());
+		result.setGroupBy(request.getGroupBy());
+		result.setHeight(request.getHeight());
+		result.setWidth(request.getWidth());
+		result.setLimit(request.getLimit());
+		result.setLimitBy(toLimit(request.getLimitBy()));
+
+		return result;
+	}
+
+	private static Limit toLimit(final LimitBy limitBy) {
+		switch (limitBy) {
+		case NO_LIMIT:
+			return Limit.NO_LIMIT;
+		case FEWEST_VALUES:
+			return Limit.FEWEST_VALUES;
+		case MOST_VALUES:
+			return Limit.MOST_VALUES;
+		default:
+			throw new IllegalStateException("unhandled enum: " + limitBy);
+		}
+	}
+}

pdb-ui/src/main/java/org/lucares/pdbui/domain/LimitBy.java

@@ -0,0 +1,5 @@
+package org.lucares.pdbui.domain;
+
+public enum LimitBy {
+	NO_LIMIT, MOST_VALUES, FEWEST_VALUES
+}

pdb-ui/src/main/java/org/lucares/pdbui/domain/PlotRequest.java

@@ -9,6 +9,10 @@ public class PlotRequest {
 
 	private String groupBy;
 
+	private LimitBy limitBy = LimitBy.NO_LIMIT;
+
+	private int limit = Integer.MAX_VALUE;
+
 	public String getQuery() {
 		return query;
 	}
@@ -45,4 +49,20 @@ public class PlotRequest {
 	public void setGroupBy(final String groupBy) {
 		this.groupBy = groupBy;
 	}
+
+	public LimitBy getLimitBy() {
+		return limitBy;
+	}
+
+	public void setLimitBy(final LimitBy limitBy) {
+		this.limitBy = limitBy;
+	}
+
+	public int getLimit() {
+		return limit;
+	}
+
+	public void setLimit(final int limit) {
+		this.limit = limit;
+	}
 }

pdb-ui/src/main/resources/resources/css/icons.css

@@ -33,6 +33,10 @@
   content: "\f1c5"
 }
 
+.fa-area-chart:before {
+  content: "\f1fe"
+}
+
 .fa-icons:before {
   content: "\f002";
 }

pdb-ui/src/main/resources/resources/index.html

@@ -21,7 +21,15 @@
 					data-autocomplete-empty-message="nothing found" />
 			</div>
 			<label for="search-group-by">Group By:</label> <select id="search-group-by"></select>
-			<button id="search-submit"><i class="fa fa-file-image-o"> Plot</i></button>
+			
+			<label for="search-limit-by">Limit By:</label>
+			<select id="search-limit-by">
+				<option value="NO_LIMIT" selected="selected">no limit</option>
+				<option value="MOST_VALUES">most values</option>
+				<option value="FEWEST_VALUES">fewest values</option>
+			</select>
+			<input type="number" id="search-limit-value" name="search-limit-value" min="1" max="1000000" value="10" style="display: none;"/>
+			<button id="search-submit"><i class="fa fa-area-chart"> Plot</i></button>
 		</div>
 		<div id="result-view">
 		</div>

pdb-ui/src/main/resources/resources/js/search.js

@@ -5,6 +5,17 @@ $(document).ready(function(){
 	
 	renderFields();
 	
+	$('#search-limit-by').change(function () {
+	     var optionSelected = $(this).find("option:selected");
+	     var valueSelected  = optionSelected.val();
+	     console.log(valueSelected);
+	     if (valueSelected == "NO_LIMIT"){
+	     	$('#search-limit-value').hide();
+	     }else{
+	     	$('#search-limit-value').show();
+	     }
+	 });
+	
 	AutoComplete({
 		HttpMethod: "GET",
 		Delay: 300,
@@ -69,9 +80,12 @@ function plot(event){
 	showLoadingIcon();
 	var request = {};
 	request['query'] = $('#search-input').val();
-	request['height'] = $('#result-view').height()-10;
-	request['width'] = $('#result-view').width()-10;
+	request['height'] = $('#result-view').height()-15;
+	request['width'] = $('#result-view').width()-15;
 	request['groupBy'] = $('#search-group-by').val();
+	request['limitBy'] = $('#search-limit-by').val();
+	request['limit'] = parseInt($('#search-limit-value').val());
+	
 	
 	var success = function(response){