/*
* Copyright 2003-2017 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.ide.findusages.view.treeholder.tree.nodedatatypes;
import jetbrains.mps.ide.findusages.CantLoadSomethingException;
import jetbrains.mps.ide.findusages.CantSaveSomethingException;
import jetbrains.mps.ide.findusages.view.treeholder.tree.TextOptions;
import jetbrains.mps.ide.findusages.view.treeholder.treeview.path.PathItemRole;
import jetbrains.mps.ide.icons.IconManager;
import jetbrains.mps.logging.Logger;
import jetbrains.mps.openapi.navigation.EditorNavigator;
import jetbrains.mps.openapi.navigation.ProjectPaneNavigator;
import jetbrains.mps.project.Project;
import jetbrains.mps.smodel.SNodeUtil;
import jetbrains.mps.util.StringUtil;
import org.apache.log4j.LogManager;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.persistence.PersistenceFacade;
import javax.swing.Icon;
public class NodeNodeData extends AbstractResultNodeData {
private static final Logger LOG = Logger.wrap(LogManager.getLogger(NodeNodeData.class));
private static final String NODE = "nodePtr";
private static final String IS_ROOT = "isRoot";
private SNodeReference myNodePointer;
private boolean myIsRootNode;
public NodeNodeData(PathItemRole role, @Nullable String caption, @NotNull SNode pathObject, boolean isPathTail, boolean resultsSection) {
super(role, caption != null ? caption : snodeRepresentation(pathObject), nodeAdditionalInfo(pathObject), false, isPathTail, resultsSection);
myNodePointer = pathObject.getReference();
myIsRootNode = pathObject.getModel() != null && pathObject.getParent() == null;
}
public NodeNodeData(Element element, Project project) throws CantLoadSomethingException {
read(element, project);
}
public SNodeReference getNodePointer() {
return myNodePointer;
}
@Override
public Icon getIcon(PresentationContext presentationContext) {
final SNode node = myNodePointer.resolve(presentationContext.getRepository());
return node == null ? null : IconManager.getIconFor(node);
}
@Override
public String createIdObject() {
return myNodePointer.toString() + "/" + getPlainText();
}
@Override
public void write(Element element, Project project) throws CantSaveSomethingException {
super.write(element, project);
element.setAttribute(NODE, PersistenceFacade.getInstance().asString(myNodePointer));
if (myIsRootNode) {
element.setAttribute(IS_ROOT, Boolean.TRUE.toString());
}
}
@Override
public void read(Element element, Project project) throws CantLoadSomethingException {
super.read(element, project);
try {
myNodePointer = PersistenceFacade.getInstance().createNodeReference(element.getAttributeValue(NODE));
myIsRootNode = Boolean.parseBoolean(element.getAttributeValue(IS_ROOT)); // false for null if fine.
} catch (Exception ex) {
throw new CantLoadSomethingException(ex);
}
}
private static String snodeRepresentation(final SNode node) {
try {
String presentation = SNodeUtil.getPresentation(node);
String result = (presentation != null) ? presentation : node.toString();
LOG.assertLog(result != null, "Node presentation is null.");
result = StringUtil.escapeXml(result);
return result;
} catch (Throwable t) {
LOG.error(t);
return "Exception was thrown during node representation calculation " + t.getMessage();
}
}
private static String nodeAdditionalInfo(final SNode node) {
if (node.getParent() == null) return "";
return "role: " +
"<i>" +
StringUtil.escapeXml(node.getRoleInParent()) +
"</i>" +
"; " +
"in: " +
"<i>" +
snodeRepresentation(node.getParent()) +
"</i>";
}
public boolean isRootNode() {
return myIsRootNode;
}
@Override
public String getText(TextOptions options) {
boolean showCounter = options.myCounters && isResultsSection();
String counter = showCounter ? " " + sizeRepresentation(options.mySubresultsCount) : "";
return super.getText(options) + counter;
}
private static String sizeRepresentation(int size) {
return "<font color='gray'>(" + Integer.toString(size) + ")</font>";
}
@Override
public void navigate(Project mpsProject, boolean useProjectTree, boolean focus) {
if (useProjectTree) {
new ProjectPaneNavigator(mpsProject).shallFocus(focus).select(myNodePointer);
} else {
new EditorNavigator(mpsProject).shallFocus(focus).selectIfChild().open(myNodePointer);
}
}
}