svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.swing / org.gvsig.expressionevaluator.swing.impl / src / main / java / org / gvsig / expressionevaluator / swing / impl / DefaultExpressionBuilderConfig.java @ 44887
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package org.gvsig.expressionevaluator.swing.impl; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.SymbolTableFactory; |
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import org.gvsig.expressionevaluator.swing.Element; |
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import org.gvsig.expressionevaluator.swing.ElementFactory; |
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import org.gvsig.expressionevaluator.swing.ExpressionBuilderConfig; |
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import org.gvsig.expressionevaluator.swing.ExpressionEvaluatorSwingManager; |
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import org.gvsig.expressionevaluator.swing.SuggestionProvider; |
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import org.gvsig.tools.dataTypes.DataType; |
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import org.gvsig.tools.util.Factory; |
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import org.gvsig.tools.util.PropertiesSupportHelper; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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*
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* @author jjdelcerro
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*/
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public class DefaultExpressionBuilderConfig |
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implements ExpressionBuilderConfig, ExpressionBuilderConfig.Preferences {
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protected static final Logger LOGGER = LoggerFactory.getLogger(DefaultExpressionBuilderConfig.class); |
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private List<Element> elements; |
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private int limit; |
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private Map<String, SymbolTable> symbolTables; |
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private final ExpressionEvaluatorSwingManager manager; |
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private SymbolTable previewSymbolTable;
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private boolean SQLCompatible; |
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private final PropertiesSupportHelper propertiesSupportHelper; |
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private boolean showLabelsOfAttributes; |
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private boolean allowAggregates; |
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private java.util.function.Function<String, Integer>allowedFunctions; |
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private Map<String,Factory> suggestionFactories; |
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public DefaultExpressionBuilderConfig(ExpressionEvaluatorSwingManager manager) {
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this.manager = manager;
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this.limit = 6; |
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this.SQLCompatible = false; |
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this.propertiesSupportHelper = new PropertiesSupportHelper(); |
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this.showLabelsOfAttributes = true; |
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this.allowAggregates = false; |
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this.suggestionFactories = new HashMap<>(); |
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initSymbolTables(); |
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} |
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@Override
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public void copyConfigFrom(ExpressionBuilderConfig other) { |
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// Hay que tener cuidado al copiar ya que puede darse el caso
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// que "other = this", por eso lo de las variables other_*
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this.getPreferences().copyPreferencesFrom(other.getPreferences());
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this.allowAggregates = other.allowAggregates();
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this.allowedFunctions = other.getAllowedFunctions();
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this.previewSymbolTable = other.getPreviewSymbolTable();
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Collection<SymbolTable> other_symbolTables = other.getSymbolTables();
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List<Element> other_elements = other.getElements(); |
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Collection<Factory> other_suggestionFactories = other.getSuggestionFactories();
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this.symbolTables = new HashMap<>(); |
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this.elements = new ArrayList<>(); |
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this.suggestionFactories = new HashMap<>(); |
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for (SymbolTable symbolTable : other_symbolTables) {
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this.addSymbolTable(symbolTable);
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} |
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for (Element element : other_elements) { |
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this.elements.add(element);
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} |
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for (Factory suggestionFactory : other_suggestionFactories) {
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this.addSuggestionFactory(suggestionFactory);
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} |
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} |
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@Override
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public void copyPreferencesFrom(Preferences other) { |
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other.setSQLCompatible(this.SQLCompatible);
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other.setShowLabelsOfElements(this.showLabelsOfAttributes);
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other.setSimpleElementsLimit(limit); |
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} |
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@Override
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public Preferences getPreferences() { |
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return this; |
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} |
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@Override
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public Collection<Factory> getSuggestionFactories() { |
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return this.suggestionFactories.values(); |
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} |
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@Override
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public java.util.function.Function<String, Integer> getAllowedFunctions() { |
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return this.allowedFunctions; |
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} |
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private void initSymbolTables() { |
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ExpressionEvaluatorManager theManager = ExpressionEvaluatorLocator.getManager(); |
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for (SymbolTableFactory factory : theManager.getSymbolTableFactories()) {
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if( factory == null ) { |
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continue;
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} |
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String factoryName = "(unknown)"; |
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try {
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factoryName = factory.getName(); |
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if (factory.isAutoload()) {
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this.addSymbolTable(factory.create());
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} |
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} catch(Throwable th) { |
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LOGGER.warn("Can't create symbol table '"+factoryName+"'.",th); |
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} |
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} |
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} |
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@Override
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public List<Element> getElements() { |
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if (this.elements == null || this.elements.isEmpty() ) { |
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this.elements = manager.createElements(this.getSymbolTables(), (Function f) -> { |
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if( f.group().equalsIgnoreCase(Function.GROUP_AGGREGATE) &&
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!this.allowAggregates() ) {
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return false; |
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} |
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java.util.function.Function<String, Integer> isFunctionAllowed = this.isFunctionAllowed(); |
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if( isFunctionAllowed!=null && isFunctionAllowed.apply(f.name())==DataType.NO ) { |
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return false; |
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} |
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return true; |
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}); |
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for (ElementFactory factory : manager.getElementFactories()) {
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if (factory.isAutoload()) {
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Element e = factory.createElement();
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this.elements.add(e);
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e.setConfig(this);
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} |
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} |
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} |
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return Collections.unmodifiableList(elements); |
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} |
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@Override
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public void addElement(Element element) { |
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if( element==null ) { |
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return;
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} |
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this.getElements(); // Forzamos a crear la lista de elementos |
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for (Element theElement : this.elements) { |
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if (theElement.getName().equalsIgnoreCase(element.getName())) {
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return;
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} |
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} |
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this.elements.add(element);
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element.setConfig(this);
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} |
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@Override
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public Collection<SymbolTable> getSymbolTables() { |
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return Collections.unmodifiableCollection(this.symbolTables.values()); |
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} |
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@Override
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public void addSymbolTable(String name) { |
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ExpressionEvaluatorManager theManager = ExpressionEvaluatorLocator.getManager(); |
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SymbolTable symbolTable = theManager.getSymbolTable(name); |
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if (symbolTable == null) { |
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throw new IllegalArgumentException("Can't locate symbol table '" + name + "'."); |
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} |
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addSymbolTable(symbolTable); |
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} |
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@Override
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public void addSymbolTable(SymbolTable symbolTable) { |
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if (symbolTable == null) { |
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return;
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} |
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if (this.elements != null && !this.elements.isEmpty() ) { |
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throw new IllegalStateException("Can not add symbol tables once the elements are built."); |
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} |
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if (this.symbolTables == null) { |
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this.symbolTables = new HashMap<>(); |
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} |
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this.symbolTables.put(symbolTable.getName(), symbolTable);
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} |
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@Override
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public void removeAllSymbolTables() { |
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this.symbolTables.clear();
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} |
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@Override
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public void removeAllElements() { |
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this.elements.clear();
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} |
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@Override
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public int getSimpleElementsLimit() { |
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return this.limit; |
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} |
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@Override
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public void setSimpleElementsLimit(int limit) { |
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this.limit = limit;
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} |
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@Override
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public void removeSymbolTable(String name) { |
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this.symbolTables.remove(name);
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} |
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// @Override
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// public void setScriptsEnabled(boolean enabled) {
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// this.scriptsEnabled = enabled;
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// }
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//
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// @Override
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// public boolean getScriptsEnabled() {
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// return this.scriptsEnabled;
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// }
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//
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@Override
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public SymbolTable getPreviewSymbolTable() {
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return this.previewSymbolTable; |
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} |
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@Override
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public void setPreviewSymbolTable(SymbolTable symbolTable) { |
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this.previewSymbolTable = symbolTable;
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} |
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@Override
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public void setSQLCompatible(boolean SQLCompatible) { |
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this.SQLCompatible = SQLCompatible;
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} |
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@Override
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public boolean isSQLCompatible() { |
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return SQLCompatible;
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} |
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@Override
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public Object getProperty(String string) { |
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return this.propertiesSupportHelper.getProperty(string); |
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} |
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@Override
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public void setProperty(String string, Object o) { |
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this.propertiesSupportHelper.setProperty(string, o);
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} |
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@Override
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public Map<String, Object> getProperties() { |
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return this.propertiesSupportHelper.getProperties(); |
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} |
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@Override
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public boolean getShowLabelsOfElements() { |
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return this.showLabelsOfAttributes; |
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} |
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@Override
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public void setShowLabelsOfElements(boolean showLabels) { |
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this.showLabelsOfAttributes = showLabels;
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} |
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@Override
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public boolean allowAggregates() { |
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return this.allowAggregates; |
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} |
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@Override
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public boolean allowAggregates(boolean allow) { |
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boolean r = this.allowAggregates; |
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this.allowAggregates = allow;
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return r;
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} |
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@Override
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public java.util.function.Function<String, Integer> isFunctionAllowed() { |
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return this.allowedFunctions; |
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} |
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@Override
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public void setAllowedFunctions(java.util.function.Function<String, Integer> allow) { |
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this.allowedFunctions = allow;
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} |
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@Override
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public String getSuggestion(Expression expression) { |
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if( expression == null ) { |
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return null; |
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} |
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String text = expression.getPhrase();
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if( StringUtils.isBlank(text) ) {
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return null; |
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} |
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boolean needseparator = false; |
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StringBuilder builder = null; |
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for (Factory factory : suggestionFactories.values()) {
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SuggestionProvider provider = (SuggestionProvider) factory.create(); |
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String suggestion = provider.getSuggestion(text);
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if( suggestion != null ) { |
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if( builder == null ) { |
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builder = new StringBuilder(); |
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builder.append(suggestion); |
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} else {
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builder.append("\n\n");
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builder.append(suggestion); |
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} |
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} |
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} |
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if( builder!=null ) { |
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return builder.toString();
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} |
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return null; |
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} |
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@Override
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public void addSuggestionFactory(Factory factory) { |
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if( factory == null ) { |
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return;
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} |
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this.suggestionFactories.put(factory.getName(), factory);
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} |
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} |