Application: gvSIG desktop

package org.gvsig.fmap.dal.swing.impl.featuretype;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.util.ArrayList;

import java.util.List;

import java.util.Objects;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JTable;

import javax.swing.ListSelectionModel;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableModel;

import javax.swing.text.JTextComponent;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.Tags;

import org.gvsig.tools.i18n.I18nManager;

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

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

import org.gvsig.tools.util.UnmodifiableBasicMap;

/**

 *

 * @author jjdelcerro

 */

class TagsController {

    private final JTable tblTags;

    private final JComboBox cboName;

    private final JTextComponent txtValue;

    private final JButton btnAdd;

    private final JButton btnUpdate;

    private final JButton btnRemove;

    private final UnmodifiableBasicMap<String, String> tagDescriptions;

    private final JLabel lblDescription;

    public TagsController(

            JTable tblTags, 

            JComboBox cboName, 

            JTextComponent txtValue, 

            JButton btnAdd, 

            JButton btnUpdate, 

            JButton btnRemove,

            JLabel lblDescription

        ) {

        this.tblTags = tblTags;

        this.cboName = cboName;

        this.txtValue = txtValue;

        this.btnAdd = btnAdd;

        this.btnUpdate = btnUpdate;

        this.btnRemove = btnRemove;

        this.lblDescription = lblDescription;

        this.tagDescriptions = ToolsLocator.getDynObjectManager().getTags();

        this.initComponents();

    }

    private void initComponents() {

        ToolsSwingManager swingManager = ToolsSwingLocator.getToolsSwingManager();

        swingManager.setDefaultPopupMenu(this.cboName);

        swingManager.setDefaultPopupMenu(this.txtValue);

        swingManager.addClearButton(this.txtValue);

        swingManager.translate(this.btnAdd);

        swingManager.translate(this.btnUpdate);

        swingManager.translate(this.btnRemove);

        this.tblTags.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

        this.tblTags.getSelectionModel().addListSelectionListener(new ListSelectionListener() {

            @Override

            public void valueChanged(ListSelectionEvent e) {

                if (e.getValueIsAdjusting()) {

                    return;

                }

                doTableSelecctionChanged();

            }

        });

        this.btnAdd.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doAdd();

            }

        });

        this.btnUpdate.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doUpdate();

            }

        });

        this.btnRemove.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doRemove();

            }

        });

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

        for (String tag : this.tagDescriptions.keySet()) {

            tagsNames.add(tag);

        }

        tagsNames.sort(null);

        DefaultComboBoxModel model = new DefaultComboBoxModel();

        model.addElement(" ");

        for (String tag : tagsNames) {

            model.addElement(tag);

        }

        this.cboName.setModel(model);

        this.cboName.addItemListener(new ItemListener() {

            @Override

            public void itemStateChanged(ItemEvent e) {

                if( e.getStateChange()==ItemEvent.SELECTED ) {

                    doChangeTagName();

                }

            }

        });

    }

    public void clean() {

        this.tblTags.setModel(new DefaultTableModel());

        this.cboName.setSelectedIndex(-1);

        this.txtValue.setText("");

        this.tblTags.getSelectionModel().clearSelection();

        this.lblDescription.setText("");

    }

    public Tags fetch(Tags tags) {

        TableModel model = this.tblTags.getModel();

        tags.removeAll();

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

            String name = (String) model.getValueAt(row, 0);

            String value = (String) model.getValueAt(row, 1);

            if( StringUtils.isNotBlank(name) && StringUtils.isNotBlank(value) ) {

                tags.set(name,value);

            }

        }

        return tags;

    }

    public void set(Tags tags) {

        this.lblDescription.setText("");

        DefaultTableModel model = new DefaultTableModel();

        model.addColumn("_Name");

        model.addColumn("_Value");

        for (String tagName : tags) {

            model.addRow(new String[]{tagName, Objects.toString(tags.get(tagName), "")});

        }

        this.tblTags.setModel(model);

        if (model.getRowCount() > 0) {

            this.tblTags.getSelectionModel().setSelectionInterval(0, 0);

        } else {

            this.tblTags.getSelectionModel().clearSelection();

        }

    }

    public void setEditable(boolean editable) {

        this.tblTags.setEnabled(editable);

        this.cboName.setEnabled(editable);

        this.txtValue.setEditable(editable);

        this.btnAdd.setEnabled(editable);

        this.btnUpdate.setEnabled(editable);

        this.btnRemove.setEnabled(editable);

    }

    private void doTableSelecctionChanged() {

        int row = this.tblTags.getSelectedRow();

        if (row < 0) {

            this.cboName.setSelectedIndex(-1);

            this.txtValue.setText("");

            this.btnAdd.setEnabled(true);

            this.btnUpdate.setEnabled(false);

            this.btnRemove.setEnabled(false);

            return;

        }

        DefaultTableModel model = (DefaultTableModel) this.tblTags.getModel();

        this.cboName.setSelectedItem(model.getValueAt(row, 0));

        this.txtValue.setText((String) model.getValueAt(row, 1));

        this.btnAdd.setEnabled(true);

        this.btnUpdate.setEnabled(true);

        this.btnRemove.setEnabled(true);

        doChangeTagName();

    }

    private void doAdd() {

        I18nManager i18n = ToolsLocator.getI18nManager();        

        this.lblDescription.setText("");

        String[] value = new String[] { 

            i18n.getTranslation("_Name"), 

            i18n.getTranslation("_Value")

        };

        DefaultTableModel model = (DefaultTableModel) this.tblTags.getModel();

        model.addRow(value);

        this.tblTags.getSelectionModel().setSelectionInterval(0, model.getRowCount() - 1);

    }

    private void doUpdate() {

        this.lblDescription.setText("");

        int row = this.tblTags.getSelectedRow();

        if (row < 0) {

            return; // EEhh?? esto no deberia pasar

        }

        DefaultTableModel model = (DefaultTableModel) this.tblTags.getModel();

        model.setValueAt(StringUtils.defaultIfBlank((String) this.cboName.getSelectedItem(), ""), row, 0);

        model.setValueAt(this.txtValue.getText(), row, 1);

    }

    private void doRemove() {

        this.lblDescription.setText("");

        int n = this.tblTags.getSelectedRow();

        if (n < 0) {

            return; // EEhh?? esto no deberia pasar

        }

        DefaultTableModel model = (DefaultTableModel) this.tblTags.getModel();

        model.removeRow(n);

        if (model.getRowCount() < 0) {

            this.tblTags.getSelectionModel().clearSelection();

        } else {

            if (--n < 0) {

                n = 0;

            }

            this.tblTags.getSelectionModel().setSelectionInterval(n, n);

        }

    }

    private void doChangeTagName() {

        String tagname = (String) this.cboName.getSelectedItem();

        if( StringUtils.isBlank(tagname) ) {

            this.lblDescription.setText("");

            return;

        }

        for (String tagname2 : tagDescriptions) {

            if( tagname.equalsIgnoreCase(tagname2) ) {

                String description = this.tagDescriptions.get(tagname2);

                this.lblDescription.setText("<html>"+description+"<html>");

                return;

            }

        }

        this.lblDescription.setText("");

    }

}