Application: gvSIG desktop » gvSIG legends: base legends

package org.gvsig.legend.urbanhorizontalsignage.app.rotate;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

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.fmap.dal.feature.FeatureSelection;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.mapcontext.MapContext;

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

import org.gvsig.fmap.mapcontrol.MapControl;

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

import org.gvsig.legend.urbanverticalsignage.lib.api.PictureMarkerSymbolTableLegend;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

@SuppressWarnings("UseSpecificCatch")

public class RotatePointExtension extends Extension {

    private static final Logger LOGGER = LoggerFactory.getLogger(RotatePointExtension.class);

    @Override

    public void initialize() {

//        IconThemeHelper.registerIcon("legend", "legend-overview-vectorial-urbanhorizontalsignage", this);

//        IconThemeHelper.registerIcon("legend", "legend-overview-vectorial-picturemarkersymboltable", this);

//        IconThemeHelper.registerIcon("action", "layer-modify-clipboard-copy-as-polygons", this);

    }

    @Override

    public void execute(String actionCommand) {

        if (actionCommand.compareToIgnoreCase("layer-modify-rotatepoint") != 0) {

            return;

        }

        ApplicationManager application = ApplicationLocator.getManager();

        IView view = (IView) application.getActiveComponent(ViewDocument.class);

        if (view == null) {

            return;

        }

        MapControl mapControl = view.getMapControl();

        if (mapControl == null) {

            return;

        }

        MapContext mapContext = mapControl.getMapContext();

        if (mapContext == null) {

            return;

        }

        FLyrVect layer = mapContext.getLayers().getFirstActiveVectorLayer();

        if (layer == null) {

            return;

        }

        if (!mapControl.hasTool(RotatePointListenerImpl.ROTATE_TOOL_NAME)) {

            RotatePointListenerImpl listener = new RotatePointListenerImpl();

            Behavior behavior = new RotatePointBehavior(listener);

            mapControl.addBehavior(RotatePointListenerImpl.ROTATE_TOOL_NAME, behavior);

        }

        mapControl.setTool(RotatePointListenerImpl.ROTATE_TOOL_NAME);

    }

    @Override

    public boolean isEnabled() {

        ApplicationManager application = ApplicationLocator.getManager();

        ViewDocument viewdoc = (ViewDocument) application.getActiveDocument(ViewManager.TYPENAME);

        if (viewdoc == null) {

            return false;

        }

        MapContext mapContext = viewdoc.getMapContext();

        FLyrVect layer = mapContext.getLayers().getFirstActiveVectorLayer();

        if (layer == null) {

            return false;

        }

        if (!layer.isAvailable()) {

            // This can happen when opening a persisted project

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

            return false;

        }

        try {

            FeatureStore store = layer.getFeatureStore();

            FeatureSelection selection = store.getFeatureSelection();

            if (selection.isEmpty()) {

                return false;

            }

            return (layer.getLegend() instanceof PictureMarkerSymbolTableLegend);

        } catch (Exception ex) {

            LOGGER.warn("Can't get selection from layer '" + layer.getName() + "'.", ex);

            return false;

        }

    }

    @Override

    public boolean isVisible() {

        ApplicationManager application = ApplicationLocator.getManager();

        return application.getActiveDocument(ViewManager.TYPENAME) != null;

    }

}