Application: gvSIG desktop

package org.gvsig.expressionevaluator.swing.impl;

import java.awt.Point;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JMenu;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.expressionevaluator.Bookmark;

import org.gvsig.expressionevaluator.Bookmarks;

import org.gvsig.expressionevaluator.Expression;

import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator;

import org.gvsig.expressionevaluator.ExpressionEvaluatorManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

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

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;

import org.gvsig.tools.swing.icontheme.IconTheme;

/**

 *

 * @author jjdelcerro

 */

public abstract class BookmarksController {

    private final JButton btnBookmarks;

    public BookmarksController(JButton btnBookmarks) {

        this.btnBookmarks = btnBookmarks;

        if( this.btnBookmarks!=null ) {

            IconTheme iconTheme = ToolsSwingLocator.getIconThemeManager().getCurrent();

            this.btnBookmarks.setIcon(iconTheme.get("expressionbuilder-bookmarks"));

            this.btnBookmarks.addActionListener(new ActionListener() {

                @Override

                public void actionPerformed(ActionEvent e) {

                    doBookmarks();

                }

            });

        }

    }

    public abstract Expression getExpressionWithOutHistory();

    public abstract void updateExpression(Expression expression);

    private void doBookmarks() {

        JPopupMenu popup = this.createMenu().getPopupMenu();

        Point p = this.btnBookmarks.getLocationOnScreen();

        popup.show(this.btnBookmarks, 0, this.btnBookmarks.getHeight());

    }

    public JMenu createMenu() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        ExpressionEvaluatorManager theManager = ExpressionEvaluatorLocator.getManager();

        JMenu menu = new JMenu(i18n.getTranslation("_Bookmarks"));

        JMenuItem addToBookmarks = new JMenuItem(i18n.getTranslation("_Add_to_bookmarks"));

        addToBookmarks.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doShowBookmarksDialog(getExpressionWithOutHistory());

            }

        });

        menu.add(addToBookmarks);

        Bookmarks bookmarks = theManager.getBookmarks();

        if( !bookmarks.isEmpty() ) {

            menu.addSeparator();

            for (Bookmark bookmark : bookmarks) {

                menu.add(createBookmarkMenuItem(bookmark));

            }

            menu.addSeparator();

            JMenuItem showAllBookmarks = new JMenuItem(i18n.getTranslation("_Show_all_bookmarks"));

            showAllBookmarks.addActionListener(new ActionListener() {

                @Override

                public void actionPerformed(ActionEvent e) {

                    doShowBookmarksDialog(null);

                }

            });

            menu.add(showAllBookmarks);

        }

        return menu;

    }

    private JMenuItem createBookmarkMenuItem(final Bookmark bookmark) {

        JMenuItem item = new JMenuItem(StringUtils.abbreviate(bookmark.getName(), 45));

        item.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                updateExpression(bookmark.getValue());

            }

        });

        return item;

    }

    private void doShowBookmarksDialog(Expression expression) {

        WindowManager_v2 winManager = (WindowManager_v2) ToolsSwingLocator.getWindowManager();

        final DefaultBookmarksPanel panel = new DefaultBookmarksPanel(expression);

        final Dialog dialog = winManager.createDialog(

                panel,

                "Bookmarks",

                null, 

                WindowManager_v2.BUTTONS_OK_CANCEL

        );

        dialog.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

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

                    return;

                }

                Bookmark bookmark = panel.getCurrentBookmark();

                if( bookmark!=null ) {

                    updateExpression(bookmark.getValue());

                }

            }

        });

        dialog.show(WindowManager.MODE.DIALOG);

    }

}