// License: GPL. See LICENSE file for details.
package org.openstreetmap.josm.gui.layer;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.Graphics2D;
import java.util.Enumeration;
import java.util.List;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.tree.DefaultMutableTreeNode;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.RenameLayerAction;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
import org.openstreetmap.josm.data.validation.OsmValidator;
import org.openstreetmap.josm.data.validation.PaintVisitor;
import org.openstreetmap.josm.data.validation.Severity;
import org.openstreetmap.josm.data.validation.TestError;
import org.openstreetmap.josm.gui.MapView;
import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
import org.openstreetmap.josm.tools.ImageProvider;
import org.openstreetmap.josm.tools.MultiMap;
/**
* A layer showing error messages.
*
* @author frsantos
*/
public class ValidatorLayer extends Layer implements LayerChangeListener {
private int updateCount = -1;
/**
* Constructs a new Validator layer
*/
public ValidatorLayer() {
super(tr("Validation errors"));
MapView.addLayerChangeListener(this);
}
/**
* Return a static icon.
*/
@Override
public Icon getIcon() {
return ImageProvider.get("layer", "validator_small");
}
/**
* Draw all primitives in this layer but do not draw modified ones (they
* are drawn by the edit layer).
* Draw nodes last to overlap the ways they belong to.
*/
@SuppressWarnings("unchecked")
@Override
public void paint(final Graphics2D g, final MapView mv, Bounds bounds) {
updateCount = Main.map.validatorDialog.tree.getUpdateCount();
DefaultMutableTreeNode root = Main.map.validatorDialog.tree.getRoot();
if (root == null || root.getChildCount() == 0)
return;
PaintVisitor paintVisitor = new PaintVisitor(g, mv);
DefaultMutableTreeNode severity = (DefaultMutableTreeNode) root.getLastChild();
while (severity != null) {
Enumeration<DefaultMutableTreeNode> errorMessages = severity.breadthFirstEnumeration();
while (errorMessages.hasMoreElements()) {
Object tn = errorMessages.nextElement().getUserObject();
if (tn instanceof TestError) {
paintVisitor.visit(((TestError) tn));
}
}
// Severities in inverse order
severity = severity.getPreviousSibling();
}
paintVisitor.clearPaintedObjects();
}
@Override
public String getToolTipText() {
MultiMap<Severity, TestError> errorTree = new MultiMap<>();
List<TestError> errors = Main.map.validatorDialog.tree.getErrors();
for (TestError e : errors) {
errorTree.put(e.getSeverity(), e);
}
StringBuilder b = new StringBuilder();
for (Severity s : Severity.values()) {
if (errorTree.containsKey(s)) {
b.append(tr(s.toString())).append(": ").append(errorTree.get(s).size()).append("<br>");
}
}
if (b.length() == 0)
return "<html>" + tr("No validation errors") + "</html>";
else
return "<html>" + tr("Validation errors") + ":<br>" + b + "</html>";
}
@Override
public void mergeFrom(Layer from) {
}
@Override
public boolean isMergable(Layer other) {
return false;
}
@Override
public boolean isChanged() {
return updateCount != Main.map.validatorDialog.tree.getUpdateCount();
}
@Override
public void visitBoundingBox(BoundingXYVisitor v) {
}
@Override
public Object getInfoComponent() {
return getToolTipText();
}
@Override
public Action[] getMenuEntries() {
return new Action[] {
LayerListDialog.getInstance().createShowHideLayerAction(),
LayerListDialog.getInstance().createDeleteLayerAction(),
SeparatorLayerAction.INSTANCE,
new RenameLayerAction(null, this),
SeparatorLayerAction.INSTANCE,
new LayerListPopup.InfoAction(this) };
}
@Override
public void destroy() {
}
@Override
public void activeLayerChange(Layer oldLayer, Layer newLayer) {
}
@Override
public void layerAdded(Layer newLayer) {
}
/**
* If layer is the OSM Data layer, remove all errors
*/
@Override
public void layerRemoved(Layer oldLayer) {
if (oldLayer instanceof OsmDataLayer && Main.isDisplayingMapView() && !Main.main.hasEditLayer()) {
Main.main.removeLayer(this);
} else if (oldLayer == this) {
MapView.removeLayerChangeListener(this);
OsmValidator.errorLayer = null;
}
}
}