/*
* The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
* for visualizing and manipulating spatial features with geometry and attributes.
*
* Copyright (C) 2003 Vivid Solutions
*
* 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.
*
* For more information, contact:
*
* Vivid Solutions
* Suite #1A
* 2328 Government Street
* Victoria BC V8T 5G5
* Canada
*
* (250)385-6040
* www.vividsolutions.com
*/
package com.vividsolutions.jump.workbench.ui.plugin;
import java.awt.Event;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import javax.swing.ImageIcon;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jump.util.StringUtil;
import com.vividsolutions.jump.workbench.WorkbenchContext;
import com.vividsolutions.jump.workbench.model.Layer;
import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
import com.vividsolutions.jump.workbench.plugin.EnableCheck;
import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
import com.vividsolutions.jump.workbench.plugin.MultiEnableCheck;
import com.vividsolutions.jump.workbench.plugin.PlugInContext;
import com.vividsolutions.jump.workbench.ui.EditTransaction;
import com.vividsolutions.jump.workbench.ui.GeometryEditor;
import com.vividsolutions.jump.workbench.ui.SelectionManagerProxy;
import com.vividsolutions.jump.workbench.ui.images.IconLoader;
//Say "delete" for features but "remove" for layers; otherwise, "delete layers" may
//sound to a user that we're actually deleting the file from the disk. [Jon Aquino]
public class DeleteSelectedItemsPlugIn extends AbstractPlugIn {
public DeleteSelectedItemsPlugIn() {}
private GeometryEditor geometryEditor = new GeometryEditor();
public boolean execute(final PlugInContext context) throws Exception {
reportNothingToUndoYet(context);
ArrayList transactions = new ArrayList();
for (Iterator i =
((SelectionManagerProxy) context.getActiveInternalFrame())
.getSelectionManager()
.getLayersWithSelectedItems()
.iterator();
i.hasNext();
) {
Layer layerWithSelectedItems = (Layer) i.next();
transactions
.add(
EditTransaction
.createTransactionOnSelection(new EditTransaction.SelectionEditor() {
public Geometry edit(
Geometry geometryWithSelectedItems,
Collection selectedItems) {
Geometry g = geometryWithSelectedItems;
for (Iterator i = selectedItems.iterator(); i.hasNext();) {
Geometry selectedItem = (Geometry) i.next();
g = geometryEditor.remove(g, selectedItem);
}
return g;
}
},
((SelectionManagerProxy) context.getActiveInternalFrame()),
context.getWorkbenchFrame(),
getName(),
layerWithSelectedItems,
isRollingBackInvalidEdits(context),
true));
}
return EditTransaction.commit(transactions);
}
public static MultiEnableCheck createEnableCheck(WorkbenchContext workbenchContext) {
EnableCheckFactory checkFactory = new EnableCheckFactory(workbenchContext);
return new MultiEnableCheck()
.add(checkFactory.createWindowWithSelectionManagerMustBeActiveCheck())
.add(checkFactory.createAtLeastNItemsMustBeSelectedCheck(1))
.add(checkFactory.createSelectedItemsLayersMustBeEditableCheck());
}
public void initialize(PlugInContext context) throws Exception {
super.initialize(context);
registerDeleteKey(context.getWorkbenchContext());
}
private void registerDeleteKey(final WorkbenchContext context) {
context.getWorkbench().getFrame().addKeyboardShortcut(KeyEvent.VK_DELETE,
0, this, createEnableCheck(context));
}
public static final ImageIcon ICON = IconLoader.icon("delete.png");
}