Application: gvSIG desktop » gvSIG tools: Vector editing

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2014 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

    private enum Mode {

        EDITING, SELECTION

    };

    private Mode mode = Mode.EDITING;

    private IBehavior editing;

    private IBehavior selection;

    private IBehavior zoom;

    public final static int EDITING_INDEX = 0;

    public final static int SELECTION_INDEX = 1;

    public EditingCompoundBehavior(IBehavior editing) {

        super(new Behavior[0]);

        this.editing = editing;

        this.selection = null;

        this.zoom = new MouseWheelBehavior();

    }

    public void addMapBehavior(Behavior mt, boolean draw) {

        if (mt instanceof MouseWheelBehavior) {

            return;

        }

        throw new UnsupportedOperationException();

    }

    public void removeMapBehavior(Behavior mt) {

        throw new UnsupportedOperationException();

    }

    public boolean containsBehavior(Behavior mt) {

        return (mt == this.editing || mt == this.selection);

    }

    public Behavior getBehavior(int index) {

        switch (index) {

        case EDITING_INDEX:

            return (Behavior) this.editing;

        case SELECTION_INDEX:

            return (Behavior) this.selection;

        default:

            throw new IndexOutOfBoundsException();

        }

    }

    public boolean isDrawnBehavior(int index) {

        switch (mode) {

        case EDITING:

            return index == EDITING_INDEX;

        case SELECTION:

            return index == SELECTION_INDEX;

        default:

            return false;

        }

    }

    public void setDrawnBehavior(int index, boolean draw) {

        switch (index) {

        case EDITING_INDEX:

            if (draw) {

                mode = Mode.EDITING;

            } else {

                mode = Mode.SELECTION;

            }

            break;

        case SELECTION_INDEX:

            if (draw) {

                mode = Mode.SELECTION;

            } else {

                mode = Mode.EDITING;

            }

            break;

        default:

            throw new IndexOutOfBoundsException();

        }

    }

    public int size() {

        return 2;

    }

    public Image getImageCursor() {

        switch (mode) {

        default:

        case EDITING:

            return this.editing.getImageCursor();

        case SELECTION:

            return this.selection.getImageCursor();

        }

    }

    public void mouseClicked(MouseEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mouseClicked(e);

            break;

        case SELECTION:

            this.selection.mouseClicked(e);

        }

        this.zoom.mouseClicked(e);

    }

    public void mouseDragged(MouseEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mouseDragged(e);

            break;

        case SELECTION:

            this.selection.mouseDragged(e);

        }

        this.zoom.mouseDragged(e);

    }

    public void mouseEntered(MouseEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mouseEntered(e);

            break;

        case SELECTION:

            this.selection.mouseEntered(e);

        }

        this.zoom.mouseEntered(e);

    }

    public void mouseExited(MouseEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mouseExited(e);

            break;

        case SELECTION:

            this.selection.mouseExited(e);

        }

        this.zoom.mouseExited(e);

    }

    public void mouseMoved(MouseEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mouseMoved(e);

            break;

        case SELECTION:

            this.selection.mouseMoved(e);

        }

        this.zoom.mouseMoved(e);

    }

    public void mousePressed(MouseEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mousePressed(e);

            break;

        case SELECTION:

            this.selection.mousePressed(e);

        }

        this.zoom.mousePressed(e);

    }

    public void mouseReleased(MouseEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mouseReleased(e);

            break;

        case SELECTION:

            this.selection.mouseReleased(e);

        }

        this.zoom.mouseReleased(e);

    }

    public void mouseWheelMoved(MouseWheelEvent e) throws BehaviorException {

        switch (mode) {

        default:

        case EDITING:

            this.editing.mouseWheelMoved(e);

            break;

        case SELECTION:

            this.selection.mouseWheelMoved(e);

        }

        this.zoom.mouseWheelMoved(e);

    }

    public void paintComponent(MapControlDrawer renderer) {

        switch (mode) {

        default:

        case EDITING:

            this.editing.paintComponent(renderer);

            break;

        case SELECTION:

            this.selection.paintComponent(renderer);

        }

        this.zoom.paintComponent(renderer);

    }

    public void setListener(ToolListener listener) {

        if (listener != null) {

            throw new UnsupportedOperationException(

                "CompoundBehavior does not have listeners");

        }

    }

    public ToolListener getListener() {

        return null;

    }

    public void setMapControl(MapControl mc) {

        this.editing.setMapControl(mc);

        this.zoom.setMapControl(mc);

        if (this.selection == null) {

            if (mc != null) {

                PointSelectionListener psl = new PointSelectionListener(mc);

                this.selection =

                    new CompoundBehavior(

                        new Behavior[] { new PointBehavior(psl) });

                this.selection.setMapControl(mc);

            }

        } else {

            this.selection.setMapControl(mc);

        }

    }