Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.tools.swing.impl.dynclass;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import javax.swing.JButton;

import javax.swing.JTable;

import javax.swing.event.TableModelListener;

import javax.swing.table.TableModel;

import org.gvsig.tools.dynobject.Tags;

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;

public class TagsHelper {

    private JTable tblTags;

    private List<PairNameValue> tags;

    private final WindowManager_v2 windowManager;

    public TagsHelper(WindowManager_v2 windowManager) {

        this.windowManager = windowManager;

    }

    public void bind(JTable tblTags, JButton btnDelete, JButton btnAdd, JButton btnModify) {

        this.tblTags = tblTags;

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

        btnDelete.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                deleteCurrentTag();

            }

        });

        btnAdd.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                addTag();

            }

        });

        btnModify.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                modifyCurrentTag();

            }

        });

    }

    private void addTag() {

        final TagControler panel = new TagControler(this.windowManager);

        final Dialog dialog = this.windowManager.createDialog(panel, "Tag - New", null, WindowManager_v2.BUTTONS_OK_CANCEL);

        dialog.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

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

                    PairNameValue item = new DefaultPairNameValue("","");

                    panel.fetch(item);

                    tags.add(item);

                    tblTags.setModel(new TagsTableModel());

                }

            }

        });

        dialog.show(WindowManager.MODE.WINDOW);                 

    }

    private void deleteCurrentTag() {

        PairNameValue item = getCurrentItem();

        if( item == null ) {

            return;

        }

        this.tags.remove(item);

        tblTags.setModel(new TagsTableModel());

    }

    public PairNameValue getCurrentItem() {

        int row = this.tblTags.getSelectedRow();

        if( row < 0 ) {

            return null;

        }

        PairNameValue pair = this.tags.get(row);

        return pair;

    }

    private void modifyCurrentTag() {

        final PairNameValue pair = this.getCurrentItem();

        final TagControler panel = new TagControler(this.windowManager);

        panel.set(pair);

        final Dialog dialog = this.windowManager.createDialog(panel, "Tag - " + pair.getName(), null, WindowManager_v2.BUTTONS_OK_CANCEL);

        dialog.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

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

                    panel.fetch(pair);

                    tblTags.setModel(new TagsTableModel());

                }

            }

        });

        dialog.show(WindowManager.MODE.WINDOW);        

    }

    public void set(Tags tags) {

        this.tags = new ArrayList<>();

        if( tags.isEmpty() ) {

            return;

        }

        for( String key : tags ) {

            this.tags.add(new DefaultPairNameValue(key, tags.get(key)));

        }

        Collections.sort(this.tags);

    }

    public void fetch(Tags tags) {

        tags.removeAll();

        for( PairNameValue pair : this.tags ) {

            tags.set(pair.getName(), pair.getValue());

        }

    }

    private class TagsTableModel implements TableModel {

        private final String[] header = new String[] { "Name", "Value" };

        @Override

        public int getRowCount() {

            if( tags == null ) {

                return 0;

            }

            return tags.size();

        }

        @Override

        public int getColumnCount() {

            return 2;

        }

        @Override

        public String getColumnName(int columnIndex) {

            return header[columnIndex];

        }

        @Override

        public Class<?> getColumnClass(int columnIndex) {

            return String.class;

        }

        @Override

        public boolean isCellEditable(int rowIndex, int columnIndex) {

            return false;

        }

        @Override

        public Object getValueAt(int rowIndex, int columnIndex) {

            if( tags == null ) {

                return null;

            }

            PairNameValue pair = tags.get(rowIndex);

            if( columnIndex==0 ) {

                return pair.getName();

            }

            return pair.getValue();

        }

        @Override

        public void setValueAt(Object aValue, int rowIndex, int columnIndex) {

        }

        @Override

        public void addTableModelListener(TableModelListener l) {

        }

        @Override

        public void removeTableModelListener(TableModelListener l) {

        }

    }

}