/*
* Copyright (c) 2013, 2014 Chris Newland.
* Licensed under https://github.com/AdoptOpenJDK/jitwatch/blob/master/LICENSE-BSD
* Instructions: https://github.com/AdoptOpenJDK/jitwatch/wiki
*/
package org.adoptopenjdk.jitwatch.ui.triview;
import java.util.ArrayList;
import java.util.List;
import org.adoptopenjdk.jitwatch.model.MetaClass;
import org.adoptopenjdk.jitwatch.model.MetaPackage;
import org.adoptopenjdk.jitwatch.model.PackageManager;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Side;
import javafx.scene.control.ContextMenu;
import javafx.scene.control.MenuItem;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.Region;
public class ClassSearch extends Region
{
private TextField tfSearch;
private ContextMenu dropMenu = new ContextMenu();
private PackageManager pm;
private TriView triView;
private static final int MAX_SEARCH_RESULTS = 20;
private boolean ignoreChanges = false;
public ClassSearch(TriView triView, PackageManager pm)
{
this.triView = triView;
this.pm = pm;
tfSearch = new TextField();
tfSearch.setPromptText("Enter class name");
tfSearch.prefWidthProperty().bind(widthProperty());
getChildren().add(tfSearch);
tfSearch.setOnKeyReleased(new EventHandler<KeyEvent>()
{
@Override
public void handle(KeyEvent keyEvent)
{
if (keyEvent.getCode() == KeyCode.DOWN)
{
dropMenu.requestFocus();
}
}
});
tfSearch.textProperty().addListener(new ChangeListener<String>()
{
@Override
public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
{
if (!ignoreChanges)
{
if (tfSearch.getText().length() == 0)
{
if (dropMenu != null)
{
dropMenu.hide();
}
}
else
{
performActionUsingSearchResults();
}
}
}
});
}
private void performActionUsingSearchResults()
{
List<String> results = search(tfSearch.getText());
if (results.size() > 0)
{
buildResultsMenu(results);
if (!dropMenu.isShowing())
{
dropMenu.show(this, Side.BOTTOM, 10, -5);
}
}
else
{
dropMenu.hide();
}
}
public void setText(String text)
{
// yuck
ignoreChanges = true;
tfSearch.setText(text);
ignoreChanges = false;
}
private List<String> search(String term)
{
List<String> results = new ArrayList<>();
List<MetaPackage> roots = pm.getRootPackages();
for (MetaPackage mp : roots)
{
walkTree(mp, results, term.toLowerCase());
if (results.size() >= MAX_SEARCH_RESULTS)
{
break;
}
}
return results;
}
private void walkTree(MetaPackage mp, List<String> results, String term)
{
if (results.size() >= MAX_SEARCH_RESULTS)
{
return;
}
List<MetaPackage> childPackages = mp.getChildPackages();
for (MetaPackage childPackage : childPackages)
{
walkTree(childPackage, results, term);
}
List<MetaClass> packageClasses = mp.getPackageClasses();
for (MetaClass mc : packageClasses)
{
if (mc.getFullyQualifiedName().toLowerCase().contains(term))
{
results.add(mc.getFullyQualifiedName());
if (results.size() >= MAX_SEARCH_RESULTS)
{
break;
}
}
}
}
private void buildResultsMenu(List<String> items)
{
dropMenu.getItems().clear();
for (String item : items)
{
final MenuItem mi = new MenuItem(item);
mi.setOnAction(new EventHandler<ActionEvent>()
{
@Override
public void handle(ActionEvent e)
{
dropMenu.hide();
MetaClass metaClass = pm.getMetaClass(mi.getText());
triView.setMetaClass(metaClass);
}
});
dropMenu.getItems().add(mi);
}
}
}