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com.intellij.ui.SpeedSearchBase Maven / Gradle / Ivy
/*
* Copyright 2000-2014 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 com.intellij.ui;
import com.intellij.featureStatistics.FeatureUsageTracker;
import com.intellij.ide.DataManager;
import com.intellij.ide.ui.UISettings;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.CustomShortcutSet;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.wm.ToolWindowManager;
import com.intellij.openapi.wm.ex.ToolWindowManagerAdapter;
import com.intellij.openapi.wm.ex.ToolWindowManagerEx;
import com.intellij.openapi.wm.ex.ToolWindowManagerListener;
import com.intellij.psi.codeStyle.NameUtil;
import com.intellij.ui.speedSearch.SpeedSearchSupply;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;
import java.awt.*;
import java.awt.event.*;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.ListIterator;
import java.util.NoSuchElementException;
public abstract class SpeedSearchBase extends SpeedSearchSupply {
private static final Logger LOG = Logger.getInstance("#com.intellij.ui.SpeedSearchBase");
private SearchPopup mySearchPopup;
private JLayeredPane myPopupLayeredPane;
protected final Comp myComponent;
private final ToolWindowManagerListener myWindowManagerListener = new MyToolWindowManagerListener();
private final PropertyChangeSupport myChangeSupport = new PropertyChangeSupport(this);
private String myRecentEnteredPrefix;
private SpeedSearchComparator myComparator = new SpeedSearchComparator(false);
private boolean myClearSearchOnNavigateNoMatch = false;
@NonNls protected static final String ENTERED_PREFIX_PROPERTY_NAME = "enteredPrefix";
private Disposable myListenerDisposable;
public SpeedSearchBase(Comp component) {
myComponent = component;
myComponent.addComponentListener(new ComponentAdapter() {
@Override
public void componentHidden(ComponentEvent event) {
manageSearchPopup(null);
}
@Override
public void componentMoved(ComponentEvent event) {
moveSearchPopup();
}
@Override
public void componentResized(ComponentEvent event) {
moveSearchPopup();
}
});
myComponent.addFocusListener(new FocusAdapter() {
@Override
public void focusLost(FocusEvent e) {
manageSearchPopup(null);
}
});
myComponent.addKeyListener(new KeyAdapter() {
@Override
public void keyTyped(KeyEvent e) {
processKeyEvent(e);
}
@Override
public void keyPressed(KeyEvent e) {
processKeyEvent(e);
}
});
new AnAction() {
@Override
public void actionPerformed(AnActionEvent e) {
final String prefix = getEnteredPrefix();
assert prefix != null;
final String[] strings = NameUtil.splitNameIntoWords(prefix);
final String last = strings[strings.length - 1];
final int i = prefix.lastIndexOf(last);
mySearchPopup.mySearchField.setText(prefix.substring(0, i).trim());
}
@Override
public void update(AnActionEvent e) {
e.getPresentation().setEnabled(isPopupActive() && !StringUtil.isEmpty(getEnteredPrefix()));
}
}.registerCustomShortcutSet(CustomShortcutSet.fromString(SystemInfo.isMac ? "meta BACK_SPACE" : "control BACK_SPACE"), myComponent);
installSupplyTo(component);
}
public static boolean hasActiveSpeedSearch(JComponent component) {
return getSupply(component) != null;
}
public void setClearSearchOnNavigateNoMatch(boolean clearSearchOnNavigateNoMatch) {
myClearSearchOnNavigateNoMatch = clearSearchOnNavigateNoMatch;
}
@Override
public boolean isPopupActive() {
return mySearchPopup != null && mySearchPopup.isVisible();
}
@Override
public Iterable matchingFragments(@NotNull String text) {
if (!isPopupActive()) return null;
final SpeedSearchComparator comparator = getComparator();
final String recentSearchText = comparator.getRecentSearchText();
return StringUtil.isNotEmpty(recentSearchText) ? comparator.matchingFragments(recentSearchText, text) : null;
}
/**
* Returns visual (view) selection index.
*/
protected abstract int getSelectedIndex();
protected abstract Object[] getAllElements();
@Nullable
protected abstract String getElementText(Object element);
protected int getElementCount() {
return getAllElements().length;
}
/**
* Should convert given view index to model index
*/
protected int convertIndexToModel(final int viewIndex) {
return viewIndex;
}
/**
* @param element Element to select. Don't forget to convert model index to view index if needed (i.e. table.convertRowIndexToView(modelIndex), etc).
* @param selectedText search text
*/
protected abstract void selectElement(Object element, String selectedText);
protected ListIterator getElementIterator(int startingIndex) {
return new ViewIterator(this, startingIndex < 0 ? getElementCount() : startingIndex);
}
public void addChangeListener(@NotNull PropertyChangeListener listener) {
myChangeSupport.addPropertyChangeListener(listener);
}
public void removeChangeListener(@NotNull PropertyChangeListener listener) {
myChangeSupport.removePropertyChangeListener(listener);
}
private void fireStateChanged() {
String enteredPrefix = getEnteredPrefix();
myChangeSupport.firePropertyChange(ENTERED_PREFIX_PROPERTY_NAME, myRecentEnteredPrefix, enteredPrefix);
myRecentEnteredPrefix = enteredPrefix;
}
protected boolean isMatchingElement(Object element, String pattern) {
String str = getElementText(element);
return str != null && compare(str, pattern);
}
protected boolean compare(@NotNull String text, @Nullable String pattern) {
return pattern != null && myComparator.matchingFragments(pattern, text) != null;
}
public SpeedSearchComparator getComparator() {
return myComparator;
}
public void setComparator(final SpeedSearchComparator comparator) {
myComparator = comparator;
}
@Nullable
private Object findNextElement(String s) {
final String _s = s.trim();
final int selectedIndex = getSelectedIndex();
final ListIterator it = getElementIterator(selectedIndex + 1);
final Object current;
if (it.hasPrevious()) {
current = it.previous();
it.next();
}
else current = null;
while (it.hasNext()) {
final Object element = it.next();
if (isMatchingElement(element, _s)) return element;
}
if (UISettings.getInstance().CYCLE_SCROLLING) {
final ListIterator i = getElementIterator(0);
while (i.hasNext()) {
final Object element = i.next();
if (isMatchingElement(element, _s)) return element;
}
}
return ( current != null && isMatchingElement(current, _s) ) ? current : null;
}
@Nullable
private Object findPreviousElement(String s) {
final String _s = s.trim();
final int selectedIndex = getSelectedIndex();
if (selectedIndex < 0) return null;
final ListIterator it = getElementIterator(selectedIndex);
final Object current;
if (it.hasNext()) {
current = it.next();
it.previous();
}
else current = null;
while (it.hasPrevious()) {
final Object element = it.previous();
if (isMatchingElement(element, _s)) return element;
}
if (UISettings.getInstance().CYCLE_SCROLLING) {
final ListIterator i = getElementIterator(getElementCount());
while (i.hasPrevious()) {
final Object element = i.previous();
if (isMatchingElement(element, _s)) return element;
}
}
return selectedIndex != -1 && isMatchingElement(current, _s) ? current : null;
}
@Nullable
protected Object findElement(String s) {
final String _s = s.trim();
int selectedIndex = getSelectedIndex();
if (selectedIndex < 0) {
selectedIndex = 0;
}
final ListIterator it = getElementIterator(selectedIndex);
while (it.hasNext()) {
final Object element = it.next();
if (isMatchingElement(element, _s)) return element;
}
if (selectedIndex > 0) {
while (it.hasPrevious()) it.previous();
while (it.hasNext() && it.nextIndex() != selectedIndex) {
final Object element = it.next();
if (isMatchingElement(element, _s)) return element;
}
}
return null;
}
@Nullable
private Object findFirstElement(String s) {
final String _s = s.trim();
for (ListIterator it = getElementIterator(0); it.hasNext();) {
final Object element = it.next();
if (isMatchingElement(element, _s)) return element;
}
return null;
}
@Nullable
private Object findLastElement(String s) {
final String _s = s.trim();
for (ListIterator it = getElementIterator(-1); it.hasPrevious();) {
final Object element = it.previous();
if (isMatchingElement(element, _s)) return element;
}
return null;
}
public void showPopup() {
manageSearchPopup(new SearchPopup(""));
}
public void hidePopup() {
manageSearchPopup(null);
}
protected void processKeyEvent(KeyEvent e) {
if (e.isAltDown()) return;
if (e.isShiftDown() && isNavigationKey(e.getKeyCode())) return;
if (mySearchPopup != null) {
mySearchPopup.processKeyEvent(e);
return;
}
if (!isSpeedSearchEnabled()) return;
if (e.getID() == KeyEvent.KEY_TYPED) {
if (!UIUtil.isReallyTypedEvent(e)) return;
char c = e.getKeyChar();
if (Character.isLetterOrDigit(c) || c == '_' || c == '*' || c == '/' || c == ':' || c == '.' || c == '#') {
manageSearchPopup(new SearchPopup(String.valueOf(c)));
e.consume();
}
}
}
public Comp getComponent() {
return myComponent;
}
protected boolean isSpeedSearchEnabled() {
return true;
}
@Override
@Nullable
public String getEnteredPrefix() {
return mySearchPopup != null ? mySearchPopup.mySearchField.getText() : null;
}
@Override
public void refreshSelection() {
if ( mySearchPopup != null ) mySearchPopup.refreshSelection();
}
@Override
public void findAndSelectElement(@NotNull String searchQuery) {
selectElement(findElement(searchQuery), searchQuery);
}
private class SearchPopup extends JPanel {
private final SearchField mySearchField;
public SearchPopup(String initialString) {
final Color foregroundColor = UIUtil.getToolTipForeground();
Color color1 = new JBColor(UIUtil.getToolTipBackground().brighter(), Gray._111);
mySearchField = new SearchField();
final JLabel searchLabel = new JLabel(" " + UIBundle.message("search.popup.search.for.label") + " ");
searchLabel.setFont(searchLabel.getFont().deriveFont(Font.BOLD));
searchLabel.setForeground(foregroundColor);
mySearchField.setBorder(null);
mySearchField.setBackground(color1);
mySearchField.setForeground(foregroundColor);
mySearchField.setDocument(new PlainDocument() {
@Override
public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
String oldText;
try {
oldText = getText(0, getLength());
}
catch (BadLocationException e1) {
oldText = "";
}
String newText = oldText.substring(0, offs) + str + oldText.substring(offs);
super.insertString(offs, str, a);
if (findElement(newText) == null) {
mySearchField.setForeground(JBColor.RED);
}
else {
mySearchField.setForeground(foregroundColor);
}
}
});
mySearchField.setText(initialString);
setBorder(BorderFactory.createLineBorder(Color.gray, 1));
setBackground(color1);
setLayout(new BorderLayout());
add(searchLabel, BorderLayout.WEST);
add(mySearchField, BorderLayout.EAST);
Object element = findElement(mySearchField.getText());
onSearchFieldUpdated(initialString);
updateSelection(element);
}
@Override
public void processKeyEvent(KeyEvent e) {
mySearchField.processKeyEvent(e);
if (e.isConsumed()) {
String s = mySearchField.getText();
onSearchFieldUpdated(s);
int keyCode = e.getKeyCode();
Object element;
if (isUpDownHomeEnd(keyCode)) {
element = findTargetElement(keyCode, s);
if (myClearSearchOnNavigateNoMatch && element == null) {
manageSearchPopup(null);
element = findTargetElement(keyCode, "");
}
}
else {
element = findElement(s);
}
updateSelection(element);
}
}
@Nullable
private Object findTargetElement(int keyCode, String searchPrefix) {
if (keyCode == KeyEvent.VK_UP) {
return findPreviousElement(searchPrefix);
}
else if (keyCode == KeyEvent.VK_DOWN) {
return findNextElement(searchPrefix);
}
else if (keyCode == KeyEvent.VK_HOME) {
return findFirstElement(searchPrefix);
}
else {
assert keyCode == KeyEvent.VK_END;
return findLastElement(searchPrefix);
}
}
public void refreshSelection () {
findAndSelectElement(mySearchField.getText());
}
private void updateSelection(Object element) {
if (element != null) {
selectElement(element, mySearchField.getText());
mySearchField.setForeground(UIUtil.getLabelForeground());
}
else {
mySearchField.setForeground(JBColor.red);
}
if (mySearchPopup != null) {
mySearchPopup.setSize(mySearchPopup.getPreferredSize());
mySearchPopup.validate();
}
fireStateChanged();
}
}
protected void onSearchFieldUpdated(String pattern) {
}
private class SearchField extends JTextField {
SearchField() {
setFocusable(false);
}
@Override
public Dimension getPreferredSize() {
Dimension dim = super.getPreferredSize();
dim.width = getFontMetrics(getFont()).stringWidth(getText()) + 10;
return dim;
}
/**
* I made this method public in order to be able to call it from the outside.
* This is needed for delegating calls.
*/
@Override
public void processKeyEvent(KeyEvent e) {
int i = e.getKeyCode();
if (i == KeyEvent.VK_BACK_SPACE && getDocument().getLength() == 0) {
e.consume();
return;
}
if (
i == KeyEvent.VK_ENTER ||
i == KeyEvent.VK_ESCAPE ||
i == KeyEvent.VK_PAGE_UP ||
i == KeyEvent.VK_PAGE_DOWN ||
i == KeyEvent.VK_LEFT ||
i == KeyEvent.VK_RIGHT
) {
manageSearchPopup(null);
if (i == KeyEvent.VK_ESCAPE) {
e.consume();
}
return;
}
if (isUpDownHomeEnd(i)) {
e.consume();
return;
}
super.processKeyEvent(e);
if (i == KeyEvent.VK_BACK_SPACE) {
e.consume();
}
}
}
private static boolean isUpDownHomeEnd(int keyCode) {
return keyCode == KeyEvent.VK_HOME || keyCode == KeyEvent.VK_END || keyCode == KeyEvent.VK_UP || keyCode == KeyEvent.VK_DOWN;
}
private static boolean isPgUpPgDown(int keyCode) {
return keyCode == KeyEvent.VK_PAGE_UP || keyCode == KeyEvent.VK_PAGE_DOWN;
}
private static boolean isNavigationKey(int keyCode) {
return isPgUpPgDown(keyCode) || isUpDownHomeEnd(keyCode);
}
private void manageSearchPopup(@Nullable SearchPopup searchPopup) {
Project project = null;
if (ApplicationManager.getApplication() != null && !ApplicationManager.getApplication().isDisposed()) {
project = CommonDataKeys.PROJECT.getData(DataManager.getInstance().getDataContext(myComponent));
}
if (project != null && project.isDefault()) {
project = null;
}
if (mySearchPopup != null) {
myPopupLayeredPane.remove(mySearchPopup);
myPopupLayeredPane.validate();
myPopupLayeredPane.repaint();
myPopupLayeredPane = null;
if (myListenerDisposable != null) {
Disposer.dispose(myListenerDisposable);
}
myListenerDisposable = null;
}
else if (searchPopup != null) {
FeatureUsageTracker.getInstance().triggerFeatureUsed("ui.tree.speedsearch");
}
if (!myComponent.isShowing()) {
mySearchPopup = null;
}
else {
mySearchPopup = searchPopup;
}
fireStateChanged();
if (mySearchPopup == null || !myComponent.isDisplayable()) return;
if (project != null) {
myListenerDisposable = Disposer.newDisposable();
ToolWindowManagerEx toolWindowManager = (ToolWindowManagerEx)ToolWindowManager.getInstance(project);
toolWindowManager.addToolWindowManagerListener(myWindowManagerListener, myListenerDisposable);
}
JRootPane rootPane = myComponent.getRootPane();
if (rootPane != null) {
myPopupLayeredPane = rootPane.getLayeredPane();
}
else {
myPopupLayeredPane = null;
}
if (myPopupLayeredPane == null) {
LOG.error(toString() + " in " + myComponent);
return;
}
myPopupLayeredPane.add(mySearchPopup, JLayeredPane.POPUP_LAYER);
moveSearchPopup();
}
private void moveSearchPopup() {
if (myComponent == null || mySearchPopup == null || myPopupLayeredPane == null) return;
Point lPaneP = myPopupLayeredPane.getLocationOnScreen();
Point componentP = getComponentLocationOnScreen();
Rectangle r = getComponentVisibleRect();
Dimension prefSize = mySearchPopup.getPreferredSize();
Window window = (Window)SwingUtilities.getAncestorOfClass(Window.class, myComponent);
Point windowP;
if (window instanceof JDialog) {
windowP = ((JDialog)window).getContentPane().getLocationOnScreen();
}
else if (window instanceof JFrame) {
windowP = ((JFrame)window).getContentPane().getLocationOnScreen();
}
else {
windowP = window.getLocationOnScreen();
}
int y = r.y + componentP.y - lPaneP.y - prefSize.height;
y = Math.max(y, windowP.y - lPaneP.y);
mySearchPopup.setLocation(componentP.x - lPaneP.x + r.x, y);
mySearchPopup.setSize(prefSize);
mySearchPopup.setVisible(true);
mySearchPopup.validate();
}
protected Rectangle getComponentVisibleRect() {
return myComponent.getVisibleRect();
}
protected Point getComponentLocationOnScreen() {
return myComponent.getLocationOnScreen();
}
private class MyToolWindowManagerListener extends ToolWindowManagerAdapter {
@Override
public void stateChanged() {
manageSearchPopup(null);
}
}
protected class ViewIterator implements ListIterator {
private final SpeedSearchBase mySpeedSearch;
private int myCurrentIndex;
private final Object[] myElements;
public ViewIterator(@NotNull final SpeedSearchBase speedSearch, final int startIndex) {
mySpeedSearch = speedSearch;
myCurrentIndex = startIndex;
myElements = speedSearch.getAllElements();
if (startIndex < 0 || startIndex > myElements.length) {
throw new IndexOutOfBoundsException("Index: " + startIndex + " in: " + SpeedSearchBase.this.getClass());
}
}
@Override
public boolean hasPrevious() {
return myCurrentIndex != 0;
}
@Override
public Object previous() {
final int i = myCurrentIndex - 1;
if (i < 0) throw new NoSuchElementException();
final Object previous = myElements[mySpeedSearch.convertIndexToModel(i)];
myCurrentIndex = i;
return previous;
}
@Override
public int nextIndex() {
return myCurrentIndex;
}
@Override
public int previousIndex() {
return myCurrentIndex - 1;
}
@Override
public boolean hasNext() {
return myCurrentIndex != myElements.length;
}
@Override
public Object next() {
if (myCurrentIndex + 1 > myElements.length) throw new NoSuchElementException();
return myElements[mySpeedSearch.convertIndexToModel(myCurrentIndex++)];
}
@Override
public void remove() {
throw new UnsupportedOperationException("Not implemented in: " + getClass().getCanonicalName());
}
@Override
public void set(Object o) {
throw new UnsupportedOperationException("Not implemented in: " + getClass().getCanonicalName());
}
@Override
public void add(Object o) {
throw new UnsupportedOperationException("Not implemented in: " + getClass().getCanonicalName());
}
}
}
