org.pmedv.blackboard.commands.AddLineCommand.java Source code

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Here is the source code for org.pmedv.blackboard.commands.AddLineCommand.java

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/**
    
   BlackBoard breadboard designer
   Written and maintained by Matthias Pueski 
       
   Copyright (c) 2010-2011 Matthias Pueski
       
   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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
    
 */
package org.pmedv.blackboard.commands;

import java.awt.BasicStroke;
import java.awt.event.ActionEvent;

import javax.swing.JOptionPane;
import javax.swing.undo.UndoManager;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pmedv.blackboard.EditorUtils;
import org.pmedv.blackboard.app.FileState;
import org.pmedv.blackboard.components.BoardEditor;
import org.pmedv.blackboard.components.Item;
import org.pmedv.blackboard.components.Layer;
import org.pmedv.blackboard.components.Line;
import org.pmedv.blackboard.components.LineEdgeType;
import org.pmedv.blackboard.components.Palette;
import org.pmedv.blackboard.models.BoardEditorModel;
import org.pmedv.blackboard.panels.ShapePropertiesPanel;
import org.pmedv.core.commands.AbstractCommand;
import org.pmedv.core.context.AppContext;
import org.pmedv.core.gui.ApplicationWindow;
import org.pmedv.core.preferences.Preferences;
import org.springframework.context.ApplicationContext;

/**
 * @author Matthias Pueski (08.06.2011)
 *
 */
public class AddLineCommand extends AbstractCommand {

    private static final long serialVersionUID = 2473298284426159552L;

    private static final Log log = LogFactory.getLog(AddLineCommand.class);

    private Line line = null;
    private BoardEditorModel model = null;

    public AddLineCommand(BoardEditorModel model) {
        this.model = model;
    }

    @Override
    public void execute(ActionEvent e) {

        if (line == null)
            return;

        final ApplicationContext ctx = AppContext.getContext();
        final BoardEditor editor = EditorUtils.getCurrentActiveEditor();
        final UndoManager undoManager = editor.getUndoManager();

        line.setLayer(model.getCurrentLayer().getIndex());

        if (line.getLength() >= editor.getRaster()) {
            if (model.getCurrentLayer().getItems().contains(line)) {
                JOptionPane.showMessageDialog(AppContext.getContext().getBean(ApplicationWindow.class),
                        resources.getResourceByKey("msg.connectionexists"));
            } else {

                final ShapePropertiesPanel shapesPanel = ctx.getBean(ShapePropertiesPanel.class);

                line.setStartType((LineEdgeType) shapesPanel.getStartLineCombo().getSelectedItem());
                line.setEndType((LineEdgeType) shapesPanel.getEndLineCombo().getSelectedItem());

                for (Layer layer : model.getLayers()) {

                    for (Item item : layer.getItems()) {
                        if (item instanceof Line) {

                            Line l = (Line) item;

                            if (l.containsPoint(line.getStart(), 1)) {
                                line.setStartType(LineEdgeType.ROUND_DOT);
                            }
                            if (l.containsPoint(line.getEnd(), 1)) {
                                line.setEndType(LineEdgeType.ROUND_DOT);
                            }

                        }
                    }

                }

                line.setStroke((BasicStroke) shapesPanel.getThicknessCombo().getSelectedItem());

                final Boolean useLayerColor = (Boolean) Preferences.values
                        .get("org.pmedv.blackboard.BoardDesignerPerspective.useLayerColor");

                if (useLayerColor) {
                    line.setColor(model.getCurrentLayer().getColor());
                } else {
                    line.setColor(ctx.getBean(Palette.class).getCurrentColor());
                }

                log.info("Adding line to layer " + model.getCurrentLayer());
                model.getCurrentLayer().getItems().add(line);

                if (!undoManager.addEdit(new AddLineEdit(line))) {
                    log.debug("Could not add edit " + this.getClass());
                }
                editor.setFileState(FileState.DIRTY);
            }
        }

        ctx.getBean(RedoCommand.class).setEnabled(undoManager.canRedo());
        ctx.getBean(UndoCommand.class).setEnabled(undoManager.canUndo());

    }

    /**
     * @param line the line to set
     */
    public void setLine(Line line) {
        this.line = line;
    }

}