Application: gvSIG desktop » gvSIG tools: Attribute editor

/* 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.

 */

package org.gvsig.app.mainplugin.extension;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.project.documents.view.ViewDocument;

import org.gvsig.app.project.documents.view.ViewManager;

import org.gvsig.app.project.documents.view.gui.IView;

import org.gvsig.app.project.documents.view.toolListeners.StatusBarListener;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.tools.Behavior.MouseMovementBehavior;

import org.gvsig.fmap.mapcontrol.tools.Listeners.AttributeEditorBehavior;

import org.gvsig.fmap.mapcontrol.tools.Listeners.AttributeEditorPointListener;

/**

 * @author fdiaz

 *

 */

public class AttributeEditorExtension extends Extension {

    private static Logger logger = LoggerFactory.getLogger(

        AttributeEditorExtension.class);

    public void execute(String actionCommand) {

        if (actionCommand.compareToIgnoreCase("attribute-editor") != 0) {

            return;

        }

        IView vw = (IView) ApplicationLocator.getManager().getActiveComponent(ViewDocument.class);

        if (vw != null) {

            FLayer[] act_lyr = vw.getMapControl().getMapContext().getLayers().getActives();

            if (act_lyr == null || act_lyr.length != 1

                    || !(act_lyr[0] instanceof FLyrVect)) {

                //do nothing

            } else {

                FLyrVect lyr = (FLyrVect)act_lyr[0];

                MapControl mapControl = vw.getMapControl();

                if (!mapControl.hasTool(AttributeEditorPointListener.ATTRIBUTE_EDITOR_TOOL_NAME)){

                    StatusBarListener sbl = new StatusBarListener(mapControl);

                    AttributeEditorBehavior attributeEditorBehavior = new AttributeEditorBehavior(mapControl);

                    attributeEditorBehavior.addMapBehavior(new MouseMovementBehavior(sbl), false);

                    mapControl.addBehavior(AttributeEditorPointListener.ATTRIBUTE_EDITOR_TOOL_NAME, attributeEditorBehavior);

                }

                mapControl.setTool(AttributeEditorPointListener.ATTRIBUTE_EDITOR_TOOL_NAME);

            }

        }

    }

    public void initialize() {

        IconThemeHelper.registerIcon("action", "attribute-editor", this);

    }

    public boolean isEnabled() {

        /*

         * It's enabled if there is exactly one vector layer in the active view

         * and it has a selection

         */

        ViewDocument vw = actWin();

        if (vw != null) {

//            IView vw = (IView) actw;

            FLayer[] act_lyr = vw.getMapContext().getLayers().getActives();

            if (act_lyr == null || act_lyr.length != 1

                    || !(act_lyr[0] instanceof FLyrVect)) {

                return false;

            } else {

                FLyrVect vect = (FLyrVect) act_lyr[0];

                if (!vect.isAvailable()) {

                    /*

                     * This can happen when opening a persisted project

                     * and there is a "slow" layer (GeoDB)

                     */

                    return false;

                }

//                MapControl mapControl = vw.getMapControl();

//                if(mapControl.getCurrentTool().equalsIgnoreCase(AttributeEditorPointListener.ATTRIBUTE_EDITOR_TOOL_NAME)){

//                    return false;

//                }

                return true;

            }

        } else {

            return false;

        }

    }

    public boolean isVisible() {

        return actWin() != null;

    }

    /**

     * Gets active window

     * @return

     */

    private ViewDocument actWin() {

        return (ViewDocument) ApplicationLocator.getManager().getActiveDocument(ViewManager.TYPENAME);

    }

}