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The following commit(s) were added to refs/heads/master by this push:
new fce86d5 Adding end-of-line switcher.
new 81339c2 Merge pull request #2049 from jlahoda/eol-switcher
fce86d5 is described below
commit fce86d52bcedc5b3579fc8da1ccf13237ad67619
Author: Jan Lahoda <jlah...@netbeans.org>
AuthorDate: Fri Mar 27 07:16:07 2020 +0100
Adding end-of-line switcher.
---
.../modules/editor/impl/crlf/CRLFStatus.java | 226 +++++++++++++++++++++
1 file changed, 226 insertions(+)
diff --git
a/ide/editor/src/org/netbeans/modules/editor/impl/crlf/CRLFStatus.java
b/ide/editor/src/org/netbeans/modules/editor/impl/crlf/CRLFStatus.java
new file mode 100644
index 0000000..7f5f720
--- /dev/null
+++ b/ide/editor/src/org/netbeans/modules/editor/impl/crlf/CRLFStatus.java
@@ -0,0 +1,226 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.netbeans.modules.editor.impl.crlf;
+
+import java.awt.AWTEvent;
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.FontMetrics;
+import java.awt.Insets;
+import java.awt.Point;
+import java.awt.Toolkit;
+import java.awt.event.AWTEventListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.BorderFactory;
+import javax.swing.DefaultListCellRenderer;
+import javax.swing.DefaultListModel;
+import javax.swing.JLabel;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JSeparator;
+import javax.swing.Popup;
+import javax.swing.PopupFactory;
+import javax.swing.SwingConstants;
+import javax.swing.border.Border;
+import javax.swing.border.LineBorder;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+import javax.swing.text.Document;
+import javax.swing.text.JTextComponent;
+import org.netbeans.api.editor.EditorRegistry;
+import org.netbeans.editor.BaseDocument;
+import org.netbeans.modules.editor.NbEditorUtilities;
+import org.openide.awt.StatusLineElementProvider;
+import org.openide.cookies.EditorCookie;
+import org.openide.loaders.DataObject;
+import org.openide.text.CloneableEditorSupport;
+import org.openide.util.NbBundle;
+import org.openide.util.lookup.ServiceProvider;
+
+/**
+ *
+ * @author lahvac
+ */
+@NbBundle.Messages({
+ "LBL_CR=Mac OS 9 (CR)",
+ "LBL_CRLF=Windows (CRLF)",
+ "LBL_LF=Unix (LF)",
+ "LBL_Unknown=Unknown"
+})
+public class CRLFStatus {
+
+ private static final Insets NULL_INSETS = new Insets(0, 0, 0, 0);
+ private static final JLabel GLOBAL_CRLF = new JLabel(" ");
+ private static final Map<String, String> LINE_ENDINGS_DN = new
HashMap<String, String>();
+ private static final String UNKNOWN = Bundle.LBL_Unknown();
+
+ static {
+ LINE_ENDINGS_DN.put(BaseDocument.LS_CR, Bundle.LBL_CR());
+ LINE_ENDINGS_DN.put(BaseDocument.LS_CRLF, Bundle.LBL_CRLF());
+ LINE_ENDINGS_DN.put(BaseDocument.LS_LF, Bundle.LBL_LF());
+
+ EditorRegistry.addPropertyChangeListener(new PropertyChangeListener() {
+ @Override public void propertyChange(PropertyChangeEvent evt) {
+ updateCRLFComponent();
+ }
+ });
+
+ GLOBAL_CRLF.addMouseListener(new MouseAdapter() {
+ @Override public void mouseClicked(MouseEvent e) {
+ final JTextComponent comp = EditorRegistry.focusedComponent();
+
+ if (comp == null) {
+ Toolkit.getDefaultToolkit().beep();
+ return;
+ }
+
+ final JList l = new JList();
+ DefaultListModel model = new DefaultListModel();
+
+ for (String k : LINE_ENDINGS_DN.keySet()) {
+ model.addElement(k);
+ }
+
+ l.setModel(model);
+
l.setSelectedValue(comp.getDocument().getProperty(BaseDocument.READ_LINE_SEPARATOR_PROP),
true);
+ l.setCellRenderer(new DefaultListCellRenderer() {
+ @Override @SuppressWarnings("element-type-mismatch")
+ public Component getListCellRendererComponent(JList list,
Object value, int index, boolean isSelected, boolean cellHasFocus) {
+ return super.getListCellRendererComponent(list,
LINE_ENDINGS_DN.get(value), index, isSelected, cellHasFocus);
+ }
+ });
+ l.setBorder(new LineBorder(Color.GRAY, 1));
+
+ Point labelStart = GLOBAL_CRLF.getLocationOnScreen();
+ int x = Math.min(labelStart.x, labelStart.x +
GLOBAL_CRLF.getSize().width - l.getPreferredSize().width);
+ int y = labelStart.y - l.getPreferredSize().height;
+
+ final Popup popup =
PopupFactory.getSharedInstance().getPopup(GLOBAL_CRLF, l, x, y);
+ final AWTEventListener multicastListener = new
AWTEventListener() {
+ @Override public void eventDispatched(AWTEvent event) {
+ if (event instanceof MouseEvent && ((MouseEvent)
event).getClickCount() > 0) {
+ popup.hide();
+
Toolkit.getDefaultToolkit().removeAWTEventListener(this);
+ }
+ }
+ };
+
+
Toolkit.getDefaultToolkit().addAWTEventListener(multicastListener,
AWTEvent.MOUSE_EVENT_MASK);
+
+ l.addListSelectionListener(new ListSelectionListener() {
+ @Override public void valueChanged(ListSelectionEvent e) {
+
comp.getDocument().putProperty(BaseDocument.READ_LINE_SEPARATOR_PROP,
l.getSelectedValue());
+ DataObject dataObject =
NbEditorUtilities.getDataObject(comp.getDocument());
+
+ if (dataObject != null) {
+ try {
+ EditorCookie ec =
dataObject.getLookup().lookup(EditorCookie.class);
+ Method notifyModified =
CloneableEditorSupport.class.getDeclaredMethod("callNotifyModified");
+
+ notifyModified.setAccessible(true);
+ notifyModified.invoke(ec);
+ } catch (ReflectiveOperationException |
SecurityException ex) {
+
Logger.getLogger(CRLFStatus.class.getName()).log(Level.FINE, null, ex);
+ }
+ }
+ showLE(comp.getDocument(), GLOBAL_CRLF);
+ }
+ });
+
+ popup.show();
+ }
+ });
+
+ Collection<String> dimensions = new
ArrayList<String>(LINE_ENDINGS_DN.values());
+
+ dimensions.add(UNKNOWN);
+
+ initMinDimension(dimensions);
+ }
+
+ private static void updateCRLFComponent() {
+ final JTextComponent comp = EditorRegistry.focusedComponent();
+
+ if (comp != null) {
+ showLE(comp.getDocument(), GLOBAL_CRLF);
+ } else {
+ GLOBAL_CRLF.setText(" ");
+ }
+ }
+
+ private static void showLE(Document doc, JLabel l) {
+ @SuppressWarnings("element-type-mismatch")
+ String dn =
LINE_ENDINGS_DN.get(doc.getProperty(BaseDocument.READ_LINE_SEPARATOR_PROP));
+
+ if (dn == null) {
+ dn = UNKNOWN;
+ }
+
+ l.setText(dn);
+ }
+
+ private static void initMinDimension(Iterable<? extends String>
maxStrings) {
+ FontMetrics fm = GLOBAL_CRLF.getFontMetrics(GLOBAL_CRLF.getFont());
+ int minWidth = 0;
+ for (String s : maxStrings) {
+ minWidth = Math.max(minWidth, fm.stringWidth(s));
+ }
+ Border b = GLOBAL_CRLF.getBorder();
+ Insets ins = (b != null) ? b.getBorderInsets(GLOBAL_CRLF) :
NULL_INSETS;
+ minWidth += ins.left + ins.right;
+ int minHeight = fm.getHeight() + ins.top + ins.bottom;
+ GLOBAL_CRLF.setMinimumSize(new Dimension(minWidth, minHeight));
+ GLOBAL_CRLF.setPreferredSize(new Dimension(minWidth, minHeight));
+ }
+
+ static Component panelWithSeparator(JLabel cell) {
+ JSeparator separator = new JSeparator(SwingConstants.VERTICAL) {
+ @Override
+ public Dimension getPreferredSize() {
+ return new Dimension(3, 3); // Y-unimportant -> gridlayout
will stretch it
+ }
+ };
+ separator.setBorder(BorderFactory.createEmptyBorder(1, 1, 1, 1));
+
+ JPanel panel = new JPanel(new BorderLayout());
+ panel.add(separator, BorderLayout.WEST);
+ panel.add(cell);
+ return panel;
+ }
+
+ @ServiceProvider(service=StatusLineElementProvider.class)
+ public static final class StatusLineElementProviderImpl implements
StatusLineElementProvider {
+ @Override public Component getStatusLineElement() {
+ return panelWithSeparator(GLOBAL_CRLF);
+ }
+ }
+}
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