Application: gvSIG desktop » gvSIG legends: base legends

#Fri Dec 10 02:15:20 CET 2021

buildNumber=156

org.gvsig.symbology.library.VectorFilterExpressionLibrary

<!--

    gvSIG. Desktop Geographic Information System.

    Copyright (C) 2007-2013 gvSIG Association.

    This program is free software; you can redistribute it and/or

    modify it under the terms of the GNU General Public License

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    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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    You should have received a copy of the GNU General Public License

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    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

    MA  02110-1301, USA.

    For any additional information, do not hesitate to contact us

    at info AT gvsig.com, or visit our website www.gvsig.com.

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<assembly>

  <id>gvsig-plugin-package</id>

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    <format>zip</format>

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  <baseDirectory>${project.artifactId}</baseDirectory>

  <includeBaseDirectory>true</includeBaseDirectory>

  <files>

    <file>

      <source>target/${project.artifactId}-${project.version}.jar</source>

      <outputDirectory>lib</outputDirectory>

    </file>

    <file>

      <source>target/package.info</source>

    </file>

  </files>

  <fileSets>

    <fileSet>

      <directory>src/main/resources-plugin</directory>

      <outputDirectory>.</outputDirectory>

    </fileSet>

  </fileSets>

<!-- No dependencies

  <dependencySets>

    <dependencySet>

      <useProjectArtifact>false</useProjectArtifact>

      <useTransitiveDependencies>false</useTransitiveDependencies>

      <outputDirectory>lib</outputDirectory>

      <includes>

		<include>...</include>

      </includes>

    </dependencySet>

  </dependencySets>

-->

</assembly>

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2020 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.symbology.fmap.rendering;

import java.util.ArrayList;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

import org.gvsig.fmap.mapcontext.rendering.legend.events.SymbolLegendEvent;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolManager;

import org.gvsig.i18n.Messages;

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.driver.impl.PersistenceBasedLegendWriter;

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl.AbstractClassifiedVectorLegend;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.evaluator.Evaluator;

import org.gvsig.tools.evaluator.EvaluatorData;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.gvsig.tools.util.Callable;

import org.gvsig.tools.util.Caller;

import org.gvsig.tools.util.impl.DefaultCaller;

/**

 *

 * Implements a vector legend which represents the elements of a layer

 * depending on the value of an expression. That is, if the expression is

 * evaluated to true, then the symbol associated to the expression is painted.

 * In other case it is not showed.

 *

 * If the expression result is a string, it is considered false if

 * it is the empty string "", true otherwise.

 *

 * If the expression result is numeric, it is considered false

 * if it is zero, and true otherwise.

 *

 * In other cases, it is considered false if the result is null and true

 * otherwise.

 *

 * @author gvSIG Team

 */

public class VectorFilterExpressionLegend

extends AbstractClassifiedVectorLegend  {

    private static final Logger logger = LoggerFactory.getLogger(

        VectorFilterExpressionLegend.class);

    public static final String

    FILTER_EXPRESSION_LEGEND_PERSISTENCE_DEFINITION_NAME =

    "FILTER_EXPRESSION_LEGEND_PERSISTENCE_DEFINITION_NAME";

    public static final String

    FILTER_EXPRESSION_LEGEND_NAME = "FILTER_EXPRESSION_LEGEND_NAME";

    public static final String I18N_DEFAULT = Messages.getText("default_value");

    public static final String NON_I18N_DEFAULT = Messages.getText("Default");

	private int shapeType;

	private ISymbol defaultSymbol;

	private boolean useDefaultSymbol = false;

	private long error_msg_count = 0;

	private ArrayList<Item> newSymbols = new ArrayList<Item>() {

		private static final long serialVersionUID = 1L;

		public int indexOf(String expr) {

			return super.indexOf(new Item(expr, null));

		}

	};

	private class Item implements Cloneable {

		private ISymbol sym;

		private Evaluator evaluator;

		public Item(String expression, ISymbol sym) {

			this.sym = sym;

      DataManager dataManager = DALLocator.getDataManager();

      try {

        evaluator = dataManager.createFilter(expression);

      } catch (InitializeException ex) {

        evaluator = null;

      }

		}

		public boolean equals(Object obj) {

			if (obj == null) return false;

			if (!obj.getClass().equals(Item.class)) return false;

			return this.evaluator.getSQL().equals(

			    ((Item) obj).evaluator.getSQL()

			    );

		}

		public String getStringExpression() {

			return evaluator.getSQL();

		}

		public Evaluator getEvaluator() {

			return evaluator;

		}

		public Object clone() {

		    ISymbol clonesym = null;

		    try {

                clonesym = (ISymbol) this.sym.clone();

            } catch (CloneNotSupportedException e) {

                logger.info("Error: unable to clone symbol.", e);

                clonesym = this.sym;

            }

		    return new Item(getStringExpression(), clonesym);

		}

	}

    public VectorFilterExpressionLegend() {

        this.setClassifyingFieldNames(new String[0]);

        this.setClassifyingFieldTypes(new int[0]);

    }

	public ISymbol getSymbolByFeature(Feature featu) {

	    EvaluatorData evda = featu.getEvaluatorData();

		ISymbol returnSymbol = null;

		Object result = null;

		String expr = null;

		try {

			for (int i = 0; i < newSymbols.size(); i++) {

				Evaluator eval = newSymbols.get(i).getEvaluator();

				expr = eval.getSQL();

                if (expr.equalsIgnoreCase(VectorFilterExpressionLegend.I18N_DEFAULT)){

                    /*

                     * Skip default item

                     */

                    continue;

                }

				result = eval.evaluate(evda);

				if (isConsideredTrue(result)) {

                    returnSymbol = newSymbols.get(i).sym;

                    if (returnSymbol != null) {

                        return returnSymbol;

                    }

				}

			}

		} catch (Exception e) {

		    if (error_msg_count % 1000 == 0) {

		        logger.info("Error (msg every 1000 occurrences) while getting symbol in VectorFilterExpressionLegend", e);

		        error_msg_count = 0;

		    }

		    error_msg_count++;

		}

		if (useDefaultSymbol)

			return getDefaultSymbol();

		return null;

	}

	/**

	 * Tells whether the input object is considered true.

	 * Basically, it is false if it has an empty value

	 * (FALSE, null, 0, "")

	 *

     * @param result

     * @return

     */

    private boolean isConsideredTrue(Object res) {

        if (res == null) {

            return false;

        }

        if (res instanceof Boolean) {

            return ((Boolean) res).booleanValue();

        }

        if (res instanceof Number) {

            return ((Number) res).doubleValue() != 0d;

        }

        if (res instanceof String) {

            return ((String) res).length() > 0;

        }

        // Because it is not null

        return true;

    }

	public void addSymbol(Object key, ISymbol symbol) {

		newSymbols.add(new Item((String)key.toString(),

				symbol));

	}

	public void clear() {

		newSymbols.clear();

	}

	public void resetItems() {

	    newSymbols = new ArrayList<Item>() {

            private static final long serialVersionUID = 1L;

            public int indexOf(String expr) {

                return super.indexOf(new Item(expr, null));

            }

	    };

	}

	public void delSymbol(Object key) {

		ISymbol mySymbol = null;

		for (int i = 0; i < newSymbols.size(); i++) {

			if (newSymbols.get(i).evaluator.getSQL().equals(key))

				newSymbols.remove(i);

		}

		fireClassifiedSymbolChangeEvent(new SymbolLegendEvent(mySymbol,null));

	}

	public void replace(ISymbol oldSymbol, ISymbol newSymbol) {

		for (int i = 0; i < newSymbols.size(); i++) {

			if (newSymbols.get(i).sym.equals(oldSymbol))

				newSymbols.get(i).sym = newSymbol;

		}

		fireClassifiedSymbolChangeEvent(new SymbolLegendEvent(oldSymbol,newSymbol));

	}

	public String[] getDescriptions() {

		String[] descriptions = new String[newSymbols.size()];

		ISymbol[] auxSym = getSymbols();

		for (int i = 0; i < descriptions.length; i++)

			descriptions[i] = auxSym[i].getDescription();

		return descriptions;

	}

	public ISymbol[] getSymbols() {

		if (newSymbols != null) {

			ISymbol[] mySymbols = new ISymbol[newSymbols.size()];

			for (int i = 0; i < newSymbols.size(); i++) {

				mySymbols[i] = newSymbols.get(i).sym;

			}

			return mySymbols;

		}

		return null;

	}

	public ISymbol getDefaultSymbol() {

		if(defaultSymbol==null) {

		    defaultSymbol = MapContextLocator.getSymbolManager(

		        ).createSymbol(shapeType);

			fireDefaultSymbolChangedEvent(new SymbolLegendEvent(null, defaultSymbol));

		}

		return defaultSymbol;

	}

	public String getClassName() {

		return getClass().getName();

	}

	public int getShapeType() {

		return shapeType;

	}

	public boolean isUseDefaultSymbol() {

		return useDefaultSymbol;

	}

	public void setDefaultSymbol(ISymbol s) throws IllegalArgumentException {

		if (s == null) throw new NullPointerException("Default symbol cannot be null");

		ISymbol old = defaultSymbol;

		defaultSymbol = s;

		fireDefaultSymbolChangedEvent(new SymbolLegendEvent(old, defaultSymbol));

	}

	public void setShapeType(int shapeType) {

		if (this.shapeType != shapeType) {

		    ISymbol sym = MapContextLocator.getSymbolManager(

		        ).createSymbol(shapeType);

			setDefaultSymbol(sym);

			this.shapeType = shapeType;

		}

	}

	public void useDefaultSymbol(boolean b) {

		useDefaultSymbol = b;

	}

	public Object[] getValues() {

		if (newSymbols != null) {

			Object[] myObjects = new Object[newSymbols.size()];

			for (int i = 0; i < newSymbols.size(); i++) {

				myObjects[i] = newSymbols.get(i).getStringExpression();

			}

			return myObjects;

		}

		return null;

	}

    public static boolean isPolygonal(int ty) {

        GeometryManager geomManager = GeometryLocator.getGeometryManager();

        return geomManager.isSubtype(Geometry.TYPES.MULTISURFACE, ty) || 

            geomManager.isSubtype(Geometry.TYPES.SURFACE, ty);

    }

    public static boolean isLinear(int ty) {

        GeometryManager geomManager = GeometryLocator.getGeometryManager();

        return geomManager.isSubtype(Geometry.TYPES.MULTICURVE, ty) || 

            geomManager.isSubtype(Geometry.TYPES.CURVE, ty);

    }

    public static boolean isPoint(int ty) {

        GeometryManager geomManager = GeometryLocator.getGeometryManager();

        return geomManager.isSubtype(Geometry.TYPES.MULTIPOINT, ty) || 

            geomManager.isSubtype(Geometry.TYPES.POINT, ty);

    }

    public void removeDefaultSymbol() {

    }

    // =============================

    public static class RegisterPersistence implements Callable {

        public Object call() throws Exception {

            PersistenceManager manager = ToolsLocator.getPersistenceManager();

            if (manager.getDefinition(

                FILTER_EXPRESSION_LEGEND_PERSISTENCE_DEFINITION_NAME) == null) {

                DynStruct definition = manager

                    .addDefinition(VectorFilterExpressionLegend.class,

                        FILTER_EXPRESSION_LEGEND_PERSISTENCE_DEFINITION_NAME,

                        FILTER_EXPRESSION_LEGEND_PERSISTENCE_DEFINITION_NAME

                        + " Persistence definition", null, null);

                definition.extend(manager.getDefinition(

                    AbstractClassifiedVectorLegend

                    .CLASSIFIED_VECTOR_LEGEND_PERSISTENCE_DEFINITION_NAME));

                definition.addDynFieldBoolean("useDefaultSymbol")

                .setMandatory(true);

                definition.addDynFieldObject("defaultSymbol")

                .setClassOfValue(ISymbol.class).setMandatory(true);

                definition.addDynFieldInt("shapeType")

                .setMandatory(true);

                definition.addDynFieldArray("itemSymbolArray")

                .setClassOfItems(ISymbol.class);

                definition.addDynFieldArray("itemStringArray")

                .setClassOfItems(String.class);

            }

            return Boolean.TRUE;

        }

    }

    public static class RegisterLegend implements Callable {

        public Object call() throws Exception {

            MapContextManager manager =

                MapContextLocator.getMapContextManager();

            manager.registerLegend(

                FILTER_EXPRESSION_LEGEND_NAME,

                VectorFilterExpressionLegend.class);

            return Boolean.TRUE;

        }

    }

    public void saveToState(PersistentState state) throws PersistenceException {

        super.saveToState(state);

        state.set("useDefaultSymbol", this.isUseDefaultSymbol());

        state.set("defaultSymbol", this.getDefaultSymbol());

        state.set("shapeType", this.getShapeType());

        ISymbol[] syms = this.getSymbols();

        if (syms == null) {

            syms = new ISymbol[0];

        }

        Object[] vals = this.getValues();

        String[] vals_str = null;

        if (vals == null) {

            vals_str = new String[0];

        } else {

            vals_str = new String[vals.length];

            for (int i=0; i<vals.length; i++) {

                String aux = ((vals[i] == null) ? null : vals[i].toString());

                // Prevents saving localized version of 'Default'

                aux = translateDefault(aux, false);

                vals_str[i] = aux;

            }

        }

        state.set("itemSymbolArray", syms);

        state.set("itemStringArray", vals_str);

    }

    public void loadFromState(PersistentState state)

        throws PersistenceException {

        super.loadFromState(state);

        this.setShapeType(state.getInt("shapeType"));

        Boolean b = state.getBoolean("useDefaultSymbol");

        this.useDefaultSymbol(b);

        ISymbol defsym = (ISymbol) state.get("defaultSymbol");

        this.setDefaultSymbol(defsym);

        String[] strs = state.getStringArray("itemStringArray");

        ISymbol[] syms = (ISymbol[]) state.getArray("itemSymbolArray",

            ISymbol.class);

        if (strs.length != syms.length) {

            logger.info("VectorFilterExpressionLegend - load state - Different size in arrays: " + strs.length + ", " + syms.length);

        }

        int nmin = Math.min(strs.length, syms.length);

        for (int i=0; i<nmin; i++) {

            String aux = strs[i];

            aux = translateDefault(aux, true);

            this.addSymbol(aux, syms[i]);

        }

    }

    /**

     * Utility method to (un)translate the word 'Default'

     * @param aux

     * @param forward

     * If TRUE, then translate (Default -> Por defecto)

     * If FALSE then untranslate (Por defecto -> Default)

     * @return

     */

    private String translateDefault(String aux, boolean forward) {

        if (aux == null) {

            return null;

        }

        if (forward && aux.compareTo(NON_I18N_DEFAULT) == 0) {

            return I18N_DEFAULT;

        }

        if (!forward && aux.compareTo(I18N_DEFAULT) == 0) {

            return NON_I18N_DEFAULT;

        }

        return aux;

    }

    public Object clone() throws CloneNotSupportedException {

        VectorFilterExpressionLegend resp =

            (VectorFilterExpressionLegend) super.clone();

        Object[] vals = this.getValues();

        ISymbol[] syms = this.getSymbols();

        if (vals != null && syms != null) {

            resp.resetItems();

            int n = Math.min(vals.length, syms.length);

            for (int i=0; i<n; i++) {

                resp.addSymbol(

                    vals[i],

                    (ISymbol) syms[i].clone());

            }

        }

        ISymbol sym = this.getDefaultSymbol();

        sym = (ISymbol) sym.clone();

        resp.setDefaultSymbol(sym);

        return resp;

    }

  public static void selfRegister() {

    Caller caller = new DefaultCaller();

    caller.add(new VectorFilterExpressionLegend.RegisterLegend());

    caller.add(new VectorFilterExpressionLegend.RegisterPersistence());

    if (!caller.call()) {

      throw new RuntimeException(

              "Can't register VectorFilterExpressionLegend",

              caller.getException()

      );

    }

    MapContextManager mcoman = MapContextLocator.getMapContextManager();

    mcoman.registerLegendWriter(

        VectorFilterExpressionLegend.class,

            SymbolManager.LEGEND_FILE_EXTENSION.substring(1),

            PersistenceBasedLegendWriter.class);

  }

}

package org.gvsig.symbology.gui.layerproperties;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.event.ActionEvent;

import java.awt.event.ComponentAdapter;

import java.awt.event.ComponentEvent;

import java.awt.event.ComponentListener;

import java.awt.geom.AffineTransform;

import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JTextField;

import javax.swing.text.JTextComponent;

import org.gvsig.andami.ui.mdiManager.MDIManager;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.gui.styling.SymbolSelector;

import org.gvsig.app.project.documents.view.legend.gui.ISymbolSelector;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException;

import org.gvsig.tools.swing.api.pickercontroller.AbstractPickerController;

/**

 *

 * @author gvSIG Team

 */

@SuppressWarnings("UseSpecificCatch")

public class SymbolPickerController extends AbstractPickerController<ISymbol> {

  private final JButton btnPreview;

  private final JTextComponent txtDescription;

  private Dimension previewSize;

  private int geomType;

  private ISymbol symbol;

  SymbolPickerController(JButton btnPreview, JTextComponent txtDescription, int geomType, ISymbol symbol) {

    this.btnPreview = btnPreview;

    if( txtDescription==null ) {

      this.txtDescription = new JTextField();

    } else {

      this.txtDescription = txtDescription;

    }

    if (symbol == null) {

      this.symbol = MapContextLocator.getSymbolManager().createSymbol(geomType);

    }

    this.previewSize = null;

    this.btnPreview.addActionListener((ActionEvent e) -> {

      doSelectSymbol();

    });

    this.btnPreview.addComponentListener(new ComponentAdapter() {

      @Override

      public void componentResized(ComponentEvent e) {

        updatePreview();

      }      

    });

    this.set(this.symbol);

  }

  private void updatePreview() {

    int width = btnPreview.getWidth();

    int height = btnPreview.getHeight();

    if( width<5 || height<5 ) {

      return;

    }

    previewSize = new Dimension(width - 4, height - 4);

    this.btnPreview.setIcon(

            new ImageIcon(this.createPreview(this.previewSize, this.symbol))

    );

  }

  private BufferedImage createPreview(Dimension size, ISymbol symbol) {

    BufferedImage previewImage = new BufferedImage(

            size.width,

            size.height, 

            BufferedImage.TYPE_INT_ARGB

    );

    Graphics2D g2 = (Graphics2D) previewImage.createGraphics();

    if (g2 != null) {

      Rectangle bounds = new Rectangle(size.width, size.height);

      ISymbol prevSymbol = symbol;

      try {

        prevSymbol.drawInsideRectangle(g2, new AffineTransform(), bounds, null);

      } catch (Exception e) {

          try {

            prevSymbol = MapContextLocator.getSymbolManager().getWarningSymbol(

                    SymbolDrawingException.STR_UNSUPPORTED_SET_OF_SETTINGS,

                    symbol.getDescription(),

                    SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS

            );

            prevSymbol.drawInsideRectangle(g2,g2.getTransform(),bounds,null);

          } catch (Exception e1) {

            LOG.debug("Can't create preview symbol",e1);

          }

      }

    }

    return previewImage;

  }

  private void doSelectSymbol() {

    MDIManager uiManager = ApplicationLocator.getManager().getUIManager();

    ISymbolSelector sSelect = SymbolSelector.createSymbolSelector(this.symbol, this.geomType);

    uiManager.addWindow(sSelect);

    if (sSelect.getSelectedObject() != null) {

      this.symbol = (ISymbol) sSelect.getSelectedObject();

      this.updatePreview();

    }

  }

  @Override

  public ISymbol get() {

    symbol.setDescription(this.txtDescription.getText());

    return symbol;

  }

  @Override

  public final void set(ISymbol symbol) {

      this.symbol = symbol;

      this.geomType = symbol.getSymbolType();

      this.txtDescription.setText(this.symbol.getDescription());

      this.updatePreview();

  }

  @Override

  public void coerceAndSet(Object o) {

    this.set((ISymbol) o);

  }

  @Override

  public void setEnabled(boolean enabled) {

    this.btnPreview.setEnabled(enabled);

    this.txtDescription.setEnabled(enabled);

  }

  @Override

  public boolean isEnabled() {

    return this.btnPreview.isEnabled();

  }

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2020 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.symbology.gui.layerproperties;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import javax.swing.BoxLayout;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import org.apache.commons.lang3.StringUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.project.documents.view.legend.gui.Categories;

import org.gvsig.app.project.documents.view.legend.gui.ILegendPanel;

import org.gvsig.app.project.documents.view.legend.gui.JSymbolPreviewButton;

import org.gvsig.app.project.documents.view.legend.gui.SymbolTable;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.operations.ClassifiableVectorial;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.gui.beans.swing.GridBagLayoutPanel;

import org.gvsig.gui.beans.swing.JBlank;

import org.gvsig.i18n.Messages;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.impl.PictureFillSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style.IMarkerFillPropertiesStyle;

import org.gvsig.symbology.fmap.rendering.VectorFilterExpressionLegend;

import org.gvsig.symbology.swing.SymbologySwingLocator;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.usability.UsabilitySwingManager;

import org.gvsig.tools.swing.api.windowmanager.Dialog;

import org.gvsig.tools.swing.api.windowmanager.WindowManager;

import org.gvsig.tools.swing.api.windowmanager.WindowManager_v2;

/**

 * Implements the JPanel that shows the properties of a

 * VectorialFilterExpressionLegend

 * in order to allows the user to modify its characteristics

 *

 * @author gvSIG Team

 *

 */

public class VectorFilterExpressionPanel extends JPanel

implements ILegendPanel, ActionListener {

    private static final Logger logger = LoggerFactory.getLogger(

        VectorFilterExpressionPanel.class);

	private static final long serialVersionUID = -7187473609965942511L;

	private VectorFilterExpressionLegend theLegend;

	private VectorFilterExpressionLegend auxLegend;

	private ClassifiableVectorial layer;

	private PictureFillSymbol previewSymbol;

	private JPanel pnlCenter;

	private JPanel pnlMovBut;

	private SymbolTable symbolTable;

	private JButton btnAddExpression;

//	private JButton btnModExpression;

	private JButton btnRemoveExpression;

	private JButton moveUp;

	private JButton moveDown;

	private int shapeType;

	protected JCheckBox chkdefaultvalues = null;

	protected JSymbolPreviewButton defaultSymbolPrev;

	private GridBagLayoutPanel defaultSymbolPanel = new GridBagLayoutPanel();

	private UsabilitySwingManager usabilitySwingManager = ToolsSwingLocator.getUsabilitySwingManager();

	/**

	 * This is the default constructor

	 */

	public VectorFilterExpressionPanel() {

		super();

		initialize();

	}

	/**

	 * This method initializes this

	 */

	private void initialize() {

		pnlCenter = new JPanel();

		pnlCenter.setLayout(new BorderLayout());

		JPanel pnlButtons = new JPanel();

		btnAddExpression = usabilitySwingManager.createJButton(

		    Messages.getText("Anadir"));

		btnAddExpression.setActionCommand("NEW_EXPRESSION");

		btnAddExpression.addActionListener(this);

		pnlButtons.add(btnAddExpression);

//		btnModExpression = usabilitySwingManager.createJButton(

//		    Messages.getText("modify_filter_expression"));

//		btnModExpression.setActionCommand("MODIFY_EXPRESSION");

//		btnModExpression.addActionListener(this);

//		pnlButtons.add(btnModExpression);

		btnRemoveExpression = usabilitySwingManager.createJButton(

		    Messages.getText("Quitar"));

		btnRemoveExpression.setActionCommand("REMOVE");

		btnRemoveExpression.addActionListener(this);

		pnlButtons.add(btnRemoveExpression);

		defaultSymbolPanel.add(getChkDefaultvalues());

		pnlCenter.add(defaultSymbolPanel,BorderLayout.NORTH);

		this.setLayout(new BorderLayout());

		this.add(pnlCenter, BorderLayout.CENTER);

		this.add(pnlButtons, BorderLayout.SOUTH);

	}

	public void getDefaultSymbolPrev(int shapeType) {

		if(defaultSymbolPrev == null){

			defaultSymbolPrev = new JSymbolPreviewButton(shapeType);

			defaultSymbolPrev.setPreferredSize(new Dimension(110,20));

			defaultSymbolPanel.add(defaultSymbolPrev,null);

		}

	}

	public String getDescription() {

		return Messages.getText(

		    "shows_the_elements_of_the_layer_depending_on_the_value_of_a_filter_expression") + ".";

	}

	public ISymbol getIconSymbol() {

		if (previewSymbol == null) {

			try {

				previewSymbol = new PictureFillSymbol();

				previewSymbol.setImage( new File(

						this.getClass().getClassLoader().

						getResource("images" + File.separator

						    + "legend" + File.separator

						    + "legend-overview-vectorial-unique-value.png").

						getFile()).toURI().toURL());

				previewSymbol.getMarkerFillProperties().

				setFillStyle(

						IMarkerFillPropertiesStyle.SINGLE_CENTERED_SYMBOL);

			} catch (IOException e) {

				return null;

			}

		}

		return previewSymbol;

	}

	public ILegend getLegend() {

		auxLegend.clear();

		fillSymbolListFromTable();

		theLegend = (VectorFilterExpressionLegend) auxLegend.cloneLegend();

		if(defaultSymbolPrev.getSymbol() != null)

			theLegend.setDefaultSymbol(defaultSymbolPrev.getSymbol());

		theLegend.useDefaultSymbol(chkdefaultvalues.isSelected());

		return theLegend;

	}

	/**

	 * Fills the list of symbols of the legend

	 *

	 */

	private void fillSymbolListFromTable() {

		Object clave;

		ISymbol theSymbol;

		FLyrVect m = (FLyrVect) layer;

		try {

			if(auxLegend.getClassifyingFieldNames() != null) {

				String[] fNames= auxLegend.getClassifyingFieldNames();

				int[] fieldTypes  = new int[auxLegend.getClassifyingFieldNames().length];

				FeatureStore fsto = (FeatureStore) m.getDataStore();

				FeatureType fty = fsto.getDefaultFeatureType();

				for (int i = 0; i < fNames.length; i++) {

					fieldTypes[i] = fty.getAttributeDescriptor(fNames[i]).getType();

				}

				auxLegend.setClassifyingFieldTypes(fieldTypes);

			}

		} catch (Exception e) {

		}

		auxLegend.useDefaultSymbol(chkdefaultvalues.isSelected());

		for (int row = 0; row < symbolTable.getRowCount(); row++) {

			clave =  symbolTable.getFieldValue(row, 1);

			theSymbol = (ISymbol) symbolTable.getFieldValue(row, 0);

			theSymbol.setDescription((String) symbolTable.getFieldValue(row, 2));

			auxLegend.addSymbol(clave, theSymbol);

		}

		if(chkdefaultvalues.isSelected()){

			if(defaultSymbolPrev.getSymbol() != null){

				String description = VectorFilterExpressionLegend.I18N_DEFAULT;

				defaultSymbolPrev.getSymbol().setDescription(description);

				auxLegend.addSymbol(

				    description, defaultSymbolPrev.getSymbol());

			}

		}

	}

	public Class<VectorFilterExpressionLegend> getLegendClass() {

		return VectorFilterExpressionLegend.class;

	}

	public JPanel getPanel() {

		return this;

	}

	public Class<Categories> getParentClass() {

		return Categories.class;

	}

	public String getTitle() {

		return Messages.getText("expressions");

	}

	public boolean isSuitableFor(FLayer layer) {

		FLyrVect lVect = (FLyrVect) layer;

		try {

			return

			    VectorFilterExpressionLegend.isPoint(lVect.getShapeType())

			    ||

                VectorFilterExpressionLegend.isLinear(lVect.getShapeType())

                ||

                VectorFilterExpressionLegend.isPolygonal(lVect.getShapeType());

		} catch (Exception e) {

			return false;

		}

	}

	public void setData(FLayer lyr, ILegend legend) {

		this.layer = (ClassifiableVectorial) lyr;

		shapeType = 0;

		try {

			shapeType = this.layer.getGeometryType().getType();

		} catch (ReadException e) {

		    logger.info("Error while getting layer shp type", e);

		    ApplicationLocator.getManager().message(

		        Messages.getText("generating_intervals"),

		        JOptionPane.ERROR_MESSAGE);

		}

		if (symbolTable != null)

			pnlCenter.remove(symbolTable);

		if (pnlMovBut != null)

			pnlCenter.remove(pnlMovBut);

		getDefaultSymbolPrev(shapeType);

		symbolTable = new SymbolTable(this, "expressions", shapeType);

    try {

      ExpressionFieldCellEditor cellEditor = new ExpressionFieldCellEditor(

              ((FLyrVect)layer).getFeatureStore()

      );

      symbolTable.setCellEditor(cellEditor);

    } catch(Exception ex) {

    }

		pnlCenter.add(symbolTable, BorderLayout.CENTER);

		pnlCenter.add(getPnlMovBut(),BorderLayout.EAST);

		if (legend instanceof VectorFilterExpressionLegend) {

            auxLegend = (VectorFilterExpressionLegend) legend.cloneLegend();

            if (auxLegend.isUseDefaultSymbol()) {

                // Default must not be in table

                fillTableSkipDefault(auxLegend);

            } else {

                symbolTable.fillTableFromSymbolList(

                    auxLegend.getSymbols(),

                    auxLegend.getValues(),

                    auxLegend.getDescriptions());

            }

		} else {

			auxLegend = new VectorFilterExpressionLegend();

			auxLegend.setShapeType(shapeType);

		}

		defaultSymbolPrev.setSymbol(auxLegend.getDefaultSymbol());

		getChkDefaultvalues().setSelected(auxLegend.isUseDefaultSymbol());

	}

	private JPanel getPnlMovBut() {

		if(pnlMovBut == null){

			pnlMovBut = new JPanel();

			pnlMovBut.setLayout(new BoxLayout(pnlMovBut, BoxLayout.Y_AXIS));

			pnlMovBut.add(new JBlank(1, 70));

			ImageIcon ico = IconThemeHelper.getImageIcon(

			    "symbol-layer-move-up");

			moveUp = usabilitySwingManager.createJButton(ico);

			pnlMovBut.add(moveUp);

			moveUp.setSize(new Dimension(15,15));

			pnlMovBut.add(new JBlank(1,10));

			ico = IconThemeHelper.getImageIcon(

                "symbol-layer-move-down");

			moveDown = usabilitySwingManager.createJButton(ico);

			pnlMovBut.add(moveDown);

			pnlMovBut.add(new JBlank(1, 70));

			moveDown.setActionCommand("MOVE-DOWN");

			moveUp.setActionCommand("MOVE-UP");

			moveDown.addActionListener(this);

			moveUp.addActionListener(this);

		}

		return pnlMovBut;

	}

	public void actionPerformed(ActionEvent e) {

		int[] indices = null;

		Feature dummyFeat = null;

		if(e.getActionCommand() == "MOVE-UP" || e.getActionCommand() == "MOVE-DOWN"){

			indices = symbolTable.getSelectedRows();

		}

		if(e.getActionCommand() == "MOVE-UP"){

			if (indices.length>0) {

				int classIndex = indices[0];

				int targetPos = Math.max(0, classIndex-1);

				symbolTable.moveUpRows(classIndex, targetPos,indices.length);

			}

		}

		if(e.getActionCommand() == "MOVE-DOWN"){

			if (indices.length>0) {

				int classIndex = indices[indices.length-1];

				int targetPos = Math.min(symbolTable.getRowCount()-1, classIndex+1);

				symbolTable.moveDownRows(classIndex, targetPos,indices.length);

			}

		}

		if(e.getActionCommand() == "MOVE-UP" || e.getActionCommand() == "MOVE-DOWN"){

			ArrayList<String> orders = new ArrayList<String>();

			for (int i = 0; i < symbolTable.getRowCount(); i++) {

				orders.add(symbolTable.getFieldValue(i,1).toString());

			}

		} if (e.getActionCommand() == "NEW_EXPRESSION") {

		    FLyrVect vect = (FLyrVect) layer;

		    final FeatureStore fsto = vect.getFeatureStore();

		    final FeatureType fty = fsto.getDefaultFeatureTypeQuietly();

		    final int shptype = fty.getDefaultGeometryAttribute().getGeomType().getType();

        final I18nManager i18n = ToolsLocator.getI18nManager();

        final ExpressionSymbolPanel esp = new ExpressionSymbolPanel(fsto, shptype, previewSymbol);

        final WindowManager_v2 windowManager = (WindowManager_v2) ToolsSwingLocator.getWindowManager();

        final Dialog dialog = windowManager.createDialog(

              esp,

              i18n.getTranslation("expression_creator"),

              "",

              WindowManager_v2.BUTTONS_OK_CANCEL

        );

        dialog.addActionListener((ActionEvent e1) -> {

          if( dialog.getAction()!=WindowManager_v2.BUTTON_OK ) {

            return;

          }

          String expr = esp.getExpression();

          if ( StringUtils.isBlank(expr) ) {

              ApplicationLocator.getManager().messageDialog(

                  Messages.getText("error_validating_filter_query"),

                  Messages.getText("error"),

                  JOptionPane.ERROR_MESSAGE);

              return;

          }

          ISymbol sym = esp.getSymbol();

          this.addClassFieldNames(fty);

          auxLegend.addSymbol(expr, sym);

          symbolTable.removeAllItems();

          fillTableSkipDefault(auxLegend);

          repaint();

        });

        dialog.show(WindowManager.MODE.DIALOG);

//

//    }

//		else if (e.getActionCommand() == "MODIFY_EXPRESSION") {

//

//			if(symbolTable.getSelectedRowElements() == null) {

//				JOptionPane.showMessageDialog(this,

//				    Messages.getText("select_one_row")+".\n");

//			} else {

//

//		         FLyrVect vect = (FLyrVect) layer;

//		         FeatureStore fsto = (FeatureStore) vect.getDataStore();

//		         FeatureType fty = null;

//		         int shptype = 0;

//		         try {

//		             fty = fsto.getDefaultFeatureType();

//		             shptype = vect.getGeometryType().getType();

//		             dummyFeat = fsto.createNewFeature(true);

//		         } catch (Exception exc) {

//		             logger.error(Messages.getText(

//		                 "error_trying_to_access_to_the_layer"), exc);

//		             return;

//		         }

//

//		        ISymbol mySymbol = (ISymbol) symbolTable.getSelectedRowElements()[0];

//                String expression = (String) symbolTable.getSelectedRowElements()[1];

//

//                EvaluatorWithDescriptions evalu =

//                    EvaluatorCreator.getEvaluator(expression);

//

//                MDIManager mm = ApplicationLocator.getManager().getUIManager();

//                ExpressionSymbolPanel esp = new ExpressionSymbolPanel(

//                    dummyFeat, evalu, shptype, mySymbol);

//                mm.addCentredWindow(esp);

//	            /*

//	             * esp is modal

//	             */

//	            if (!esp.isOkPressed()) {

//	                return;

//	            }

//

//	            String expr = esp.getExpression();

//	            if (expr == null || expr.length() == 0) {

//	                ApplicationLocator.getManager().messageDialog(

//	                    Messages.getText("error_validating_filter_query"),

//	                    Messages.getText("error"),

//	                    JOptionPane.ERROR_MESSAGE);

//	                return;

//	            }

//

//	            ISymbol sym = esp.getSymbol();

////	            evalu = EvaluatorCreator.getEvaluator(expr);

//	            // Add all fields in the feature type

//	            this.addClassFieldNames(fty);

//

//	            // Remove old

//				auxLegend.delSymbol(expression);

//				auxLegend.addSymbol(expr, sym);

//				symbolTable.removeAllItems();

//				this.fillTableSkipDefault(auxLegend);

//

//				repaint();

//			}

    } else if (e.getActionCommand() == "REMOVE") {

			if(symbolTable.getSelectedRowElements() == null) {

				JOptionPane.showMessageDialog(this,

				    Messages.getText("select_one_row"));

			} else{

				String my_expr = (String) symbolTable.getSelectedRowElements()[1];

				auxLegend.delSymbol(my_expr);

				symbolTable.removeAllItems();

				fillTableSkipDefault(auxLegend);

				repaint();

			}

		}

	}

	private void addClassFieldNames(FeatureType ft) {

	    FeatureAttributeDescriptor[] atts = ft.getAttributeDescriptors();

	    String[] nn = new String[atts.length];

	    for (int i=0; i<atts.length; i++) {

	        nn[i] = atts[i].getName();

	    }

	    addClassFieldNames(nn);

	}

	/**

	 * Adds new classifying field names to the legend when a new expression is

	 * created or an existing one is modified

	 * @param fieldNamesExpression

	 */

	private void addClassFieldNames(String[] fieldNamesExpression) {

		boolean appears = false;

		ArrayList<String> myFieldNames = new ArrayList<String>();

		if (auxLegend.getClassifyingFieldNames() != null) {

			for (int i = 0; i < auxLegend.getClassifyingFieldNames().length; i++) {

				myFieldNames.add(auxLegend.getClassifyingFieldNames()[i]);

			}

			for (int i = 0; i < fieldNamesExpression.length; i++) {

				appears = false;

				for (int j = 0; j < auxLegend.getClassifyingFieldNames().length; j++) {

					if (auxLegend.getClassifyingFieldNames()[j].compareTo((String) fieldNamesExpression[i]) == 0)

						appears = true;

				}

				if(!appears) {

					myFieldNames.add((String) fieldNamesExpression[i]);

				}

			}

			auxLegend.setClassifyingFieldNames((String[])myFieldNames.toArray(new

					String[myFieldNames.size()]));

		}

		else {

			for (int i = 0; i < fieldNamesExpression.length; i++) {

				myFieldNames.add((String) fieldNamesExpression[i]);

			}

			auxLegend.setClassifyingFieldNames((String[])myFieldNames.toArray(new

					String[myFieldNames.size()]));

		}

	}

	public ImageIcon getIcon() {

	    ImageIcon ii = IconThemeHelper.getImageIcon(

	        "legend-overview-vector-filter-expression");

	    return ii;

	}

	/**

	 * This method initializes chkdefaultvalues

	 *

	 * @return javax.swing.JCheckBox

	 */

	protected JCheckBox getChkDefaultvalues() {

		if (chkdefaultvalues == null) {

			chkdefaultvalues = new JCheckBox();

			chkdefaultvalues.setText(Messages.getText("resto_valores")+": ");

			chkdefaultvalues.setBounds(new java.awt.Rectangle(342, 26, 141, 20));

			chkdefaultvalues.setSelected(false);

			chkdefaultvalues.addActionListener(new java.awt.event.ActionListener() {

				public void actionPerformed(java.awt.event.ActionEvent e) {

					if (chkdefaultvalues.isSelected()) {

						auxLegend.useDefaultSymbol(true);

					} else {

						auxLegend.useDefaultSymbol(false);

					}

				}

			});

		}

		return chkdefaultvalues;

	}

	private void fillTableSkipDefault(VectorFilterExpressionLegend leg) {

	    Object[] src_expr = leg.getValues();

	    List<Integer> rem_ind = new ArrayList<Integer>();

	    for (int i=0; i<src_expr.length; i++) {

	        if (VectorFilterExpressionLegend.I18N_DEFAULT.

	            compareToIgnoreCase((String) src_expr[i]) == 0) {

	            rem_ind.add(new Integer(i));

	        }

	    }

        ISymbol[] src_syms = leg.getSymbols();

        String[] src_descs = leg.getDescriptions();

        // Object[] src_expr

        List<ISymbol> syms = new ArrayList<ISymbol>();

        List<Object> vals = new ArrayList<Object>();

        List<String> descs = new ArrayList<String>();

        for (int i=0; i<src_expr.length; i++) {

            if (!isIn(i, rem_ind)) {

                syms.add(src_syms[i]);

                vals.add(src_expr[i]);

                descs.add(src_descs[i]);

            }

        }

	    symbolTable.fillTableFromSymbolList(

	        (ISymbol[]) syms.toArray(new ISymbol[0]),

            (Object[]) vals.toArray(new Object[0]),

            (String[]) descs.toArray(new String[0]));

      doUpdateCellEditor();

	}

  private void doUpdateCellEditor() {

      try {

        ExpressionFieldCellEditor cellEditor = new ExpressionFieldCellEditor(

                ((FLyrVect)layer).getFeatureStore()

        );

        symbolTable.setCellEditor(cellEditor);

      } catch(Exception ex) {

        logger.debug("Can't update cell editors",ex);

      }    

  }

    /**

     * @param i

     * @param rem_ind

     * @return

     */

    private boolean isIn(int n, List<Integer> int_list) {

        if (int_list == null || int_list.size() == 0) {

            return false;

        }

        for (int i=0; i<int_list.size(); i++) {

            if (int_list.get(i) instanceof Integer) {

                Integer item = (Integer) int_list.get(i);

                if (item.intValue() == n) {

                    return true;

                }

            }

        }

        return false;

    }

    public static void selfRegister() {

        IconThemeHelper.registerIcon("legend","legend-overview-vector-filter-expression", VectorFilterExpressionPanel.class);

        IconThemeHelper.registerIcon("legend","legend-overview-vectorial-unique-value", VectorFilterExpressionPanel.class);

        IconThemeHelper.registerIcon("symbol","symbol-layer-move-down", VectorFilterExpressionPanel.class);

        IconThemeHelper.registerIcon("symbol","symbol-layer-move-up", VectorFilterExpressionPanel.class);

        SymbologySwingLocator.getSwingManager().registerLegendEditor(VectorFilterExpressionPanel.class);

//        SymbologySwingLocator.getSwingManager().registerLegendEditor(VectorFilterExpressionPanel2.class);

        SymbolTable.addNewCellEditor("expressions",

            new ExpressionFieldCellEditor(null));

    }

}

/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This progra/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2020 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.symbology.gui.layerproperties;

import java.awt.Component;

import javax.swing.AbstractCellEditor;

import javax.swing.JTable;