001: /*--
002:
003: Copyright (C) 2002 Anthony Eden.
004: All rights reserved.
005:
006: Redistribution and use in source and binary forms, with or without
007: modification, are permitted provided that the following conditions
008: are met:
009:
010: 1. Redistributions of source code must retain the above copyright
011: notice, this list of conditions, and the following disclaimer.
012:
013: 2. Redistributions in binary form must reproduce the above copyright
014: notice, this list of conditions, and the disclaimer that follows
015: these conditions in the documentation and/or other materials
016: provided with the distribution.
017:
018: 3. The names "OBE" and "Open Business Engine" must not be used to
019: endorse or promote products derived from this software without prior
020: written permission. For written permission, please contact
021: me@anthonyeden.com.
022:
023: 4. Products derived from this software may not be called "OBE" or
024: "Open Business Engine", nor may "OBE" or "Open Business Engine"
025: appear in their name, without prior written permission from
026: Anthony Eden (me@anthonyeden.com).
027:
028: In addition, I request (but do not require) that you include in the
029: end-user documentation provided with the redistribution and/or in the
030: software itself an acknowledgement equivalent to the following:
031: "This product includes software developed by
032: Anthony Eden (http://www.anthonyeden.com/)."
033:
034: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
035: WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
036: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
037: DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
038: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
039: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
040: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
041: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
042: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
043: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
044: POSSIBILITY OF SUCH DAMAGE.
045:
046: For more information on OBE, please see <http://obe.sourceforge.net/>.
047:
048: */
049:
050: package org.obe.designer;
051:
052: import java.util.Map;
053: import java.util.Iterator;
054:
055: import org.apache.commons.logging.Log;
056: import org.apache.commons.logging.LogFactory;
057:
058: import com.jgraph.graph.GraphModel;
059: import com.jgraph.graph.DefaultGraphModel;
060: import com.jgraph.event.GraphModelEvent;
061: import com.jgraph.event.GraphModelEvent.GraphModelChange;
062: import com.jgraph.event.GraphModelListener;
063:
064: public class OBEGraphModel extends DefaultGraphModel {
065:
066: private static final Log log = LogFactory
067: .getLog(OBEGraphModel.class);
068:
069: private boolean modified = false;
070:
071: public OBEGraphModel() {
072: /*
073: addGraphModelListener(new GraphModelListener(){
074: public void graphChanged(GraphModelEvent evt){
075: GraphModelEvent.GraphModelChange change = evt.getChange();
076: log.debug("Graph changed");
077:
078: Map attributeMap = change.getAttributeMap();
079: if(attributeMap != null){
080: Iterator objects = attributeMap.keySet().iterator();
081: while(objects.hasNext()){
082: Object obj = objects.next();
083: log.debug("Changed object: " + obj);
084: }
085: }
086: }
087: });
088: */
089: }
090:
091: public void clear() {
092: remove(getRoots(this ));
093: }
094:
095: public boolean isModified() {
096: return modified;
097: }
098:
099: public void setModified(boolean modified) {
100: this.modified = modified;
101: }
102:
103: }
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