[josm-dev] [PATCH 05/26] ReplaceNodeInWayCommand

[Dave Hansen]

---

 core-dave/src/org/openstreetmap/josm/command/ReplaceNodeInWayCommand.java |   95 ++++++++++
 1 file changed, 95 insertions(+)

diff -puN src/org/openstreetmap/josm/command/ReplaceNodeInWayCommand.java~ReplaceNodeInWayCommand src/org/openstreetmap/josm/command/ReplaceNodeInWayCommand.java
--- core/src/org/openstreetmap/josm/command/ReplaceNodeInWayCommand.java~ReplaceNodeInWayCommand	2008-04-28 18:59:25.000000000 -0700
+++ core-dave/src/org/openstreetmap/josm/command/ReplaceNodeInWayCommand.java	2008-04-28 18:59:25.000000000 -0700
@@ -0,0 +1,95 @@
+// License: GPL. Copyright 2007 by Dave Hansen and others
+package org.openstreetmap.josm.command;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.util.Collection;
+
+import javax.swing.JLabel;
+import javax.swing.tree.DefaultMutableTreeNode;
+import javax.swing.tree.MutableTreeNode;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
+import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.visitor.NameVisitor;
+
+/**
+ * Command that basically replaces one node in a way
+ *
+ * @author daveh
+ */
+public class ReplaceNodeInWayCommand extends Command {
+
+	// container object in which to replace a sub object
+	private final Way way;
+
+	// the sub-object to be replaced
+	private final Node node;
+	// its replacement
+	private final Node newNode;
+	private int replaced_at;
+	private int replace_at;
+
+	public ReplaceNodeInWayCommand(Way _way, Node _node, Node _newNode, int _replace_at) {
+		this.way = _way;
+		this.node = _node;
+		this.newNode = _newNode;
+		this.replace_at = _replace_at;
+    }
+
+	public ReplaceNodeInWayCommand(Way _way, Node _node, Node _newNode) {
+		this.way = _way;
+		this.node = _node;
+		this.newNode = _newNode;
+		this.replace_at = -1;
+    }
+
+	@Override public boolean executeCommand() {
+	    super.executeCommand();
+		ds.rl.check(node);
+		ds.rl.check(newNode);
+		if (replace_at != -1)
+			replaced_at = way.replaceNode(node, newNode, replace_at);
+		else
+			replaced_at = way.replaceNode(node, newNode);
+		ds.rl.removeWayFromNodeMap_nocheck(node, way);
+		ds.rl.addWayToNodeMap_nocheck(newNode, way);
+		ds.rl.check(node);
+		ds.rl.check(newNode);
+		if (replaced_at < 0) {
+			String location = "";
+			if (replace_at != -1)
+				location = " at location";
+			Main.debug("error replacing node " + node.id +
+					   location + " in way " +way.id);
+			return false;
+		}
+	    way.modified = true;
+		return true;
+    }
+
+	@Override public void undoCommand() {
+		way.replaceNode(newNode, node, replaced_at);
+		//stem.out.println("undo ReplaceNode at: " + replaced_at);
+		ds.rl.removeWayFromNodeMap_nocheck(newNode, way);
+		ds.rl.addWayToNodeMap_nocheck(node, way);
+		ds.rl.check(node);
+		ds.rl.check(newNode);
+		Way orig_way = (Way)this.getOrig(way);
+		Main.debug("ReplaceNodeInWay() orig_way: " + orig_way);
+	    way.modified = orig_way.modified;
+    }
+
+	@Override public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted, Collection<OsmPrimitive> added) {
+		modified.add(way);
+		deleted.add(node);
+	}
+
+	@Override public MutableTreeNode description() {
+		NameVisitor v = new NameVisitor();
+		way.visit(v);
+		return new DefaultMutableTreeNode(new JLabel(tr("ReplaceNodeInWay")+" "+tr(v.className)+" "+v.name, v.icon, JLabel.HORIZONTAL));
+    }
+}
_