/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.gwt.client.action.menu;
import org.geomajas.gwt.client.action.MenuAction;
import org.geomajas.gwt.client.controller.editing.LineStringEditController;
import org.geomajas.gwt.client.controller.editing.MultiLineStringEditController;
import org.geomajas.gwt.client.controller.editing.MultiPolygonEditController;
import org.geomajas.gwt.client.controller.editing.ParentEditController;
import org.geomajas.gwt.client.controller.editing.PointEditController;
import org.geomajas.gwt.client.controller.editing.PolygonEditController;
import org.geomajas.gwt.client.controller.editing.EditController.EditMode;
import org.geomajas.gwt.client.i18n.I18nProvider;
import org.geomajas.gwt.client.map.layer.Layer;
import org.geomajas.gwt.client.map.layer.VectorLayer;
import org.geomajas.gwt.client.widget.MapWidget;
import org.geomajas.layer.LayerType;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.menu.Menu;
import com.smartgwt.client.widgets.menu.MenuItem;
import com.smartgwt.client.widgets.menu.MenuItemIfFunction;
import com.smartgwt.client.widgets.menu.events.MenuItemClickEvent;
/**
* Menu action that starts the creation of a new feature on the map.
*
* @author Pieter De Graef
*/
public class NewFeatureAction extends MenuAction implements MenuItemIfFunction {
private MapWidget mapWidget;
private ParentEditController controller;
/**
* Constructor for the menu action to create a new feature on the map.
*
* @param mapWidget
* The <code>MapWidget</code> on which editing is in progress.
* @param controller
* The current parent editing controller active on the map.
*/
public NewFeatureAction(MapWidget mapWidget, ParentEditController controller) {
super(I18nProvider.getMenu().newFeature(), "[ISOMORPHIC]/geomajas/osgeo/vector-create.png");
this.mapWidget = mapWidget;
this.controller = controller;
setEnableIfCondition(this);
}
/**
* Activate editing, and set the correct child editing controller on the parent editing controller.
*/
public void onClick(MenuItemClickEvent event) {
Layer<?> layer = mapWidget.getMapModel().getSelectedLayer();
if (layer != null && layer instanceof VectorLayer) {
mapWidget.getMapModel().getFeatureEditor().startEditing(null, null);
VectorLayer vLayer = (VectorLayer) layer;
if (vLayer.getLayerInfo().getLayerType() == LayerType.POINT) {
controller.setController(new PointEditController(mapWidget, controller));
} else if (vLayer.getLayerInfo().getLayerType() == LayerType.LINESTRING) {
controller.setController(new LineStringEditController(mapWidget, controller));
} else if (vLayer.getLayerInfo().getLayerType() == LayerType.MULTILINESTRING) {
controller.setController(new MultiLineStringEditController(mapWidget, controller));
} else if (vLayer.getLayerInfo().getLayerType() == LayerType.POLYGON) {
controller.setController(new PolygonEditController(mapWidget, controller));
} else if (vLayer.getLayerInfo().getLayerType() == LayerType.MULTIPOLYGON) {
controller.setController(new MultiPolygonEditController(mapWidget, controller));
}
controller.setEditMode(EditMode.INSERT_MODE);
}
}
/**
* Implementation of the <code>MenuItemIfFunction</code> interface. This will determine if the menu action should be
* enabled or not. In essence, this action will be enabled if a vector-layer is selected that allows the creation of
* new features.
*/
public boolean execute(Canvas target, Menu menu, MenuItem item) {
Layer<?> selected = mapWidget.getMapModel().getSelectedLayer();
if (selected != null && selected instanceof VectorLayer) {
VectorLayer layer = (VectorLayer) selected;
if (layer.getLayerInfo().isCreatable()) {
return true;
}
}
return false;
}
}