Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.vectorTools.dissolve;

import info.clearthought.layout.TableLayout;

import info.clearthought.layout.TableLayoutConstants;

import javax.swing.ComboBoxModel;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.ScrollPaneConstants;

import es.unex.sextante.core.GeoAlgorithm;

import es.unex.sextante.core.ObjectAndDescription;

import es.unex.sextante.core.OutputObjectsSet;

import es.unex.sextante.core.ParametersSet;

import es.unex.sextante.core.Sextante;

import es.unex.sextante.dataObjects.IVectorLayer;

import es.unex.sextante.exceptions.WrongInputException;

import es.unex.sextante.exceptions.WrongParameterIDException;

import es.unex.sextante.gui.algorithm.GeoAlgorithmParametersPanel;

import es.unex.sextante.gui.algorithm.OutputChannelSelectionPanel;

import es.unex.sextante.gui.core.SextanteGUI;

import es.unex.sextante.gui.exceptions.LayerCannotBeOverwrittenException;

import es.unex.sextante.outputs.IOutputChannel;

import es.unex.sextante.outputs.Output;

import es.unex.sextante.outputs.OverwriteOutputChannel;

public class DissolveParametersPanel

         extends

            GeoAlgorithmParametersPanel {

   private GeoAlgorithm                m_Algorithm;

   private JLabel                      jLabelGroupings;

   private JComboBox                   jComboBoxField;

   private JTable                      jTableGroupings;

   private JComboBox                   jComboBoxLayers;

   private JLabel                      jLabelField;

   private JLabel                      jLabelLayer;

   private JScrollPane                 jScrollPaneFields;

   private OutputChannelSelectionPanel outputChannelSelectionPanel;

   public DissolveParametersPanel() {

      super();

   }

   @Override

   public void init(final GeoAlgorithm algorithm) {

      m_Algorithm = algorithm;

      initGUI();

   }

   @Override

   public void assignParameters() throws WrongInputException, LayerCannotBeOverwrittenException {

      final ObjectAndDescription oad = (ObjectAndDescription) jComboBoxLayers.getSelectedItem();

      final IVectorLayer layer = (IVectorLayer) oad.getObject();

      final ParametersSet params = m_Algorithm.getParameters();

      try {

         params.getParameter(DissolveAlgorithm.LAYER).setParameterValue(layer);

         params.getParameter(DissolveAlgorithm.GROUPING_FIELD).setParameterValue(jComboBoxField.getSelectedIndex());

         final DissolveTableModel model = (DissolveTableModel) jTableGroupings.getModel();

         params.getParameter(DissolveAlgorithm.GROUPING_FUNCTIONS).setParameterValue(model.getAsString());

      }

      catch (final WrongParameterIDException e) {

         throw new WrongInputException();

      }

      final OutputObjectsSet ooSet = m_Algorithm.getOutputObjects();

      Output out;

      IOutputChannel channel;

      try {

         out = ooSet.getOutput(DissolveAlgorithm.RESULT);

         channel = outputChannelSelectionPanel.getOutputChannel();

      }

      catch (final Exception e) {

         throw new WrongInputException();

      }

      if (channel instanceof OverwriteOutputChannel) {

         final OverwriteOutputChannel ooc = (OverwriteOutputChannel) channel;

         if (!ooc.getLayer().canBeEdited()) {

            throw new LayerCannotBeOverwrittenException();

         }

      }

      out.setOutputChannel(channel);

   }

   private void initGUI() {

      try {

         {

            final TableLayout thisLayout = new TableLayout(new double[][] {

                     { 5.0, TableLayoutConstants.FILL, TableLayoutConstants.FILL, 5.0 },

                     { 5.0, 25.0, 5.0, 25.0, 5.0, 25.0, TableLayoutConstants.FILL, 5.0, 20.0, 5.0 } });

            thisLayout.setHGap(5);

            thisLayout.setVGap(5);

            this.setLayout(thisLayout);

            this.setPreferredSize(new java.awt.Dimension(469, 257));

            {

               jLabelGroupings = new JLabel();

               this.add(jLabelGroupings, "1, 5");

               jLabelGroupings.setText(Sextante.getText("Summary_statistics"));

            }

            {

               jScrollPaneFields = new JScrollPane();

               jScrollPaneFields.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);

               this.add(jScrollPaneFields, "1, 6, 2, 6");

               {

                  jTableGroupings = new JTable();

                  jScrollPaneFields.setViewportView(jTableGroupings);

               }

            }

            {

               jLabelLayer = new JLabel();

               this.add(jLabelLayer, "1, 1");

               jLabelLayer.setText(Sextante.getText("Layer"));

            }

            {

               jLabelField = new JLabel();

               this.add(jLabelField, "1, 3");

               jLabelField.setText(Sextante.getText("Field"));

            }

            {

               jComboBoxField = new JComboBox();

               this.add(jComboBoxField, "2, 3");

            }

            {

               final ComboBoxModel jComboBoxLayersModel = new DefaultComboBoxModel(getLayers());

               jComboBoxLayers = new JComboBox();

               this.add(jComboBoxLayers, "2, 1");

               jComboBoxLayers.setModel(jComboBoxLayersModel);

               jComboBoxLayers.addItemListener(new java.awt.event.ItemListener() {

                  public void itemStateChanged(final java.awt.event.ItemEvent e) {

                     setFields();

                     setTableModel();

                  }

               });

               jComboBoxLayers.setSelectedIndex(0);

               setFields();

               setTableModel();

            }

            {

               final OutputObjectsSet ooSet = m_Algorithm.getOutputObjects();

               final Output out = ooSet.getOutput(DissolveAlgorithm.RESULT);

               outputChannelSelectionPanel = new OutputChannelSelectionPanel(out, m_Algorithm.getParameters());

               this.add(outputChannelSelectionPanel, "2,8");

               this.add(new JLabel(Sextante.getText("Result")), "1,8");

            }

         }

      }

      catch (final Exception e) {

         Sextante.addErrorToLog(e);

      }

   }

   protected void setFields() {

      final ComboBoxModel jComboBoxFieldModel = new DefaultComboBoxModel(getFields());

      jComboBoxField.setModel(jComboBoxFieldModel);

   }

   private void setTableModel() {

      final ObjectAndDescription oad = (ObjectAndDescription) jComboBoxLayers.getSelectedItem();

      final IVectorLayer layer = (IVectorLayer) oad.getObject();

      final DissolveTableModel tableModel = new DissolveTableModel(layer);

      jTableGroupings.setModel(tableModel);

   }

   private String[] getFields() {

      final ObjectAndDescription oad = (ObjectAndDescription) jComboBoxLayers.getSelectedItem();

      final IVectorLayer layer = (IVectorLayer) oad.getObject();

      return getFields(layer);

   }

   private String[] getFields(final IVectorLayer layer) {

      return layer.getFieldNames();

   }

   private ObjectAndDescription[] getLayers() {

      final IVectorLayer[] layers = SextanteGUI.getInputFactory().getVectorLayers(IVectorLayer.SHAPE_TYPE_POLYGON);

      final ObjectAndDescription[] oad = new ObjectAndDescription[layers.length];

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

         oad[i] = new ObjectAndDescription(layers[i].getName(), layers[i]);

      }

      return oad;

   }

   @Override

   public void setOutputValue(final String sOutputName,

                              final String sValue) {

      outputChannelSelectionPanel.setText(sValue);

   }

   @Override

   public void setParameterValue(final String parameterName,

                                 final String value) {

   // TODO Auto-generated method stub

   }

}