/* * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI * for visualizing and manipulating spatial features with geometry and attributes. * * JUMP is Copyright (C) 2003 Vivid Solutions * * This program implements extensions to JUMP and is * Copyright (C) 2004 Integrated Systems Analysts, Inc. * * 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: * * Integrated Systems Analysts, Inc. * 630C Anchors St., Suite 101 * Fort Walton Beach, Florida * USA * * (850)862-7321 */ package org.openjump.core.ui.plugin.edittoolbox.cursortools; import java.awt.geom.NoninvertibleTransformException; import javax.swing.Icon; import javax.swing.ImageIcon; import com.vividsolutions.jts.geom.GeometryFactory; import com.vividsolutions.jts.geom.LineString; import com.vividsolutions.jts.operation.valid.IsValidOp; import com.vividsolutions.jump.I18N; import com.vividsolutions.jump.workbench.ui.EditTransaction; import com.vividsolutions.jump.workbench.ui.LayerNamePanelProxy; import com.vividsolutions.jump.workbench.ui.cursortool.CursorTool; import com.vividsolutions.jump.workbench.ui.cursortool.editing.FeatureDrawingUtil; public class DrawConstrainedLineStringTool extends ConstrainedMultiClickTool { private FeatureDrawingUtil featureDrawingUtil; final static String drawConstrainedLineString =I18N.get("org.openjump.core.ui.plugin.edittoolbox.cursortools.DrawConstrainedLineStringTool.Draw-Constrained-LineString"); final static String TheLinestringMustHaveAtLeast2Points =I18N.get("org.openjump.core.ui.plugin.edittoolbox.cursortools.DrawConstrainedLineStringTool.The-linestring-must-have-at-least-2-points"); protected DrawConstrainedLineStringTool(FeatureDrawingUtil featureDrawingUtil) { drawClosed = false; this.featureDrawingUtil = featureDrawingUtil; } public static CursorTool create(LayerNamePanelProxy layerNamePanelProxy) { FeatureDrawingUtil featureDrawingUtil = new FeatureDrawingUtil(layerNamePanelProxy); return featureDrawingUtil.prepare(new DrawConstrainedLineStringTool( featureDrawingUtil), true); } public String getName() { //Specify name explicitly, otherwise it will be "Draw Line String" [Jon Aquino] return drawConstrainedLineString; } public Icon getIcon() { return new ImageIcon(getClass().getResource("DrawLinestringConstrained.gif")); } protected void gestureFinished() throws Exception { reportNothingToUndoYet(); if (!checkLineString()) { return; } execute(featureDrawingUtil.createAddCommand(getLineString(), isRollingBackInvalidEdits(), getPanel(), this)); } protected LineString getLineString() throws NoninvertibleTransformException { return new GeometryFactory().createLineString(toArray( getCoordinates())); } protected boolean checkLineString() throws NoninvertibleTransformException { if (getCoordinates().size() < 2) { getPanel().getContext().warnUser(TheLinestringMustHaveAtLeast2Points); return false; } IsValidOp isValidOp = new IsValidOp(getLineString()); if (!isValidOp.isValid()) { getPanel().getContext().warnUser(isValidOp.getValidationError() .getMessage()); if (getWorkbench().getBlackboard().get(EditTransaction.ROLLING_BACK_INVALID_EDITS_KEY, false)) { return false; } } return true; } }