IDEA-175617 Implement expandable input field

platform/platform-api/src/com/intellij/ui/ExpandableTextField.java

@@ -0,0 +1,157 @@
+/*
+ * Copyright 2000-2017 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 com.intellij.ui;
+
+import com.intellij.icons.AllIcons;
+import com.intellij.openapi.ui.popup.JBPopup;
+import com.intellij.openapi.ui.popup.JBPopupFactory;
+import com.intellij.openapi.util.Pair;
+import com.intellij.openapi.util.text.StringUtil;
+import com.intellij.ui.awt.RelativePoint;
+import com.intellij.ui.components.JBScrollBar;
+import com.intellij.ui.components.JBScrollPane;
+import com.intellij.util.Function;
+import com.intellij.util.execution.ParametersListUtil;
+import com.intellij.util.ui.JBInsets;
+import com.intellij.util.ui.JBUI;
+import com.intellij.util.ui.UIUtil;
+import org.jetbrains.annotations.NotNull;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import static com.intellij.openapi.keymap.KeymapUtil.getFirstKeyboardShortcutText;
+import static java.awt.event.InputEvent.CTRL_MASK;
+import static javax.swing.KeyStroke.getKeyStroke;
+import static javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS;
+
+public final class ExpandableTextField extends JTextField implements Expandable {
+  private final Function<String, String> parser;
+  private final Function<String, String> joiner;
+  private JBPopup popup;
+  private String title;
+
+  public ExpandableTextField() {
+    this(false);
+  }
+
+  public ExpandableTextField(boolean colon) {
+    this(colon ? ParametersListUtil.COLON_LINE_PARSER : ParametersListUtil.DEFAULT_LINE_PARSER,
+         colon ? ParametersListUtil.COLON_LINE_JOINER : ParametersListUtil.DEFAULT_LINE_JOINER);
+  }
+
+  public ExpandableTextField(@NotNull Function<String, List<String>> parser, @NotNull Function<List<String>, String> joiner) {
+    super(20);
+    putClientProperty("JTextField.variant", VARIANT);
+    UIUtil.addUndoRedoActions(this);
+    this.parser = text -> StringUtil.join(parser.fun(text), "\n");
+    this.joiner = text -> joiner.fun(Arrays.asList(StringUtil.splitByLines(text)));
+  }
+
+  public String getTitle() {
+    return title;
+  }
+
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+  @Override
+  public void collapse() {
+    if (popup != null) popup.cancel();
+  }
+
+  @Override
+  public void expand() {
+    if (popup != null) return;
+
+    Font font = getFont();
+    FontMetrics metrics = font == null ? null : getFontMetrics(font);
+    int height = metrics == null ? 16 : metrics.getHeight();
+    Dimension size = new Dimension(height * 32, height * 16);
+
+    JTextArea area = new JTextArea(parser.fun(getText()));
+    area.setFont(font);
+    area.setCaretPosition(0);
+    area.setWrapStyleWord(true);
+    area.setLineWrap(true);
+    area.putClientProperty(Expandable.class, this);
+    UIUtil.addUndoRedoActions(area);
+
+    JBScrollPane pane = new JBScrollPane(area);
+    pane.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
+    pane.getVerticalScrollBar().add(JBScrollBar.LEADING, new JLabel(AllIcons.General.CollapseComponent) {{
+      String text = getFirstKeyboardShortcutText("CollapseExpandableComponent");
+      setToolTipText(text.isEmpty() ? "Collapse" : "Collapse (" + text + ")");
+      setBorder(JBUI.Borders.empty(5, 0, 1, 5));
+      addMouseListener(new MouseAdapter() {
+        @Override
+        public void mouseEntered(MouseEvent event) {
+          setIcon(AllIcons.General.CollapseComponentHover);
+        }
+
+        @Override
+        public void mouseExited(MouseEvent event) {
+          setIcon(AllIcons.General.CollapseComponent);
+        }
+
+        @Override
+        public void mousePressed(MouseEvent event) {
+          collapse();
+        }
+      });
+    }});
+
+    Insets insets = getInsets();
+    JBInsets.addTo(size, insets);
+    JBInsets.addTo(size, pane.getInsets());
+    if (size.width < getWidth()) size.width = getWidth();
+    pane.setPreferredSize(size);
+    pane.setViewportBorder(BorderFactory.createEmptyBorder(insets.top, insets.left, insets.bottom, insets.right));
+
+    popup = JBPopupFactory.getInstance()
+      .createComponentPopupBuilder(pane, area)
+      .setFocusable(true)
+      .setRequestFocus(true)
+      .setTitle(title)
+      .setLocateByContent(true)
+      .setCancelOnWindowDeactivation(false)
+      .setKeyboardActions(Collections.singletonList(Pair.create(event -> {
+        collapse();
+        Window window = UIUtil.getWindow(this);
+        if (window != null) {
+          window.dispatchEvent(new KeyEvent(this, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), CTRL_MASK, KeyEvent.VK_ENTER, '\r'));
+        }
+      }, getKeyStroke(KeyEvent.VK_ENTER, CTRL_MASK))))
+      .setCancelCallback(() -> {
+        try {
+          setText(joiner.fun(area.getText()));
+          setCaretPosition(0);
+          UIUtil.resetUndoRedoActions(this);
+          popup = null;
+          return true;
+        }
+        catch (Exception ignore) {
+          return false;
+        }
+      }).createPopup();
+    popup.show(new RelativePoint(this, new Point(0, 0)));
+  }
+}

platform/platform-api/src/com/intellij/ui/RawCommandLineEditor.java

@@ -21,6 +21,8 @@ import com.intellij.openapi.fileChooser.FileChooserDescriptor;
 import com.intellij.openapi.ui.LabeledComponent;
 import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.ui.TextFieldWithBrowseButton;
+import com.intellij.openapi.util.registry.Registry;
+import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.util.Function;
 import com.intellij.util.execution.ParametersListUtil;
 import org.jetbrains.annotations.Nullable;
@@ -35,6 +37,7 @@ import java.util.List;
 public class RawCommandLineEditor extends JPanel implements TextAccessor {
   private static final Logger LOG = Logger.getInstance("#com.intellij.ui.RawCommandLineEditor");
 
+  private final JTextField myEditor;
   private final TextFieldWithBrowseButton myTextField;
   private String myDialogCaption = "";
 
@@ -44,27 +47,35 @@ public class RawCommandLineEditor extends JPanel implements TextAccessor {
 
   public RawCommandLineEditor(final Function<String, List<String>> lineParser, final Function<List<String>, String> lineJoiner) {
     super(new BorderLayout());
-    myTextField = new TextFieldWithBrowseButton(new ActionListener() {
-      @Override
-      public void actionPerformed(ActionEvent e) {
-        if (myDialogCaption == null) {
-          Container parent = getParent();
-          if (parent instanceof LabeledComponent) {
-            parent = parent.getParent();
+    if (Registry.is("raw.command.line.editor.dialog")) {
+      myTextField = new TextFieldWithBrowseButton(new ActionListener() {
+        @Override
+        public void actionPerformed(ActionEvent e) {
+          if (myDialogCaption == null) {
+            Container parent = getParent();
+            if (parent instanceof LabeledComponent) {
+              parent = parent.getParent();
+            }
+            LOG.error("Did not call RawCommandLineEditor.setDialogCaption() in " + parent);
+            myDialogCaption = "Parameters";
           }
-          LOG.error("Did not call RawCommandLineEditor.setDialogCaption() in " + parent);
-          myDialogCaption = "Parameters";
+          Messages.showTextAreaDialog(myTextField.getTextField(), myDialogCaption, "EditParametersPopupWindow", lineParser, lineJoiner);
         }
-        Messages.showTextAreaDialog(myTextField.getTextField(), myDialogCaption, "EditParametersPopupWindow", lineParser, lineJoiner);
-      }
-    });
-    myTextField.setButtonIcon(AllIcons.Actions.ShowViewer);
-    add(myTextField, BorderLayout.CENTER);
+      });
+      myEditor = myTextField.getTextField();
+      myTextField.setButtonIcon(AllIcons.Actions.ShowViewer);
+      add(myTextField, BorderLayout.CENTER);
+    }
+    else {
+      myTextField = null;
+      myEditor = new ExpandableTextField(lineParser, lineJoiner);
+      add(myEditor, BorderLayout.CENTER);
+    }
     setDescriptor(null);
   }
 
   public void setDescriptor(FileChooserDescriptor descriptor) {
-    InsertPathAction.addTo(myTextField.getTextField(), descriptor);
+    InsertPathAction.addTo(myEditor, descriptor);
   }
 
   public String getDialogCaption() {
@@ -73,33 +84,37 @@ public class RawCommandLineEditor extends JPanel implements TextAccessor {
 
   public void setDialogCaption(String dialogCaption) {
     myDialogCaption = dialogCaption != null ? dialogCaption : "";
+    if (myEditor instanceof ExpandableTextField) {
+      ExpandableTextField expandable = (ExpandableTextField)myEditor;
+      expandable.setTitle(myDialogCaption);
+    }
   }
 
   @Override
   public void setText(@Nullable String text) {
-    myTextField.setText(text);
+    myEditor.setText(text);
   }
 
   @Override
   public String getText() {
-    return myTextField.getText();
+    return StringUtil.notNullize(myEditor.getText());
   }
 
   public JTextField getTextField() {
-    return myTextField.getTextField();
+    return myEditor;
   }
 
   public Document getDocument() {
-    return myTextField.getTextField().getDocument();
+    return myEditor.getDocument();
   }
 
   public void attachLabel(JLabel label) {
-    label.setLabelFor(myTextField.getTextField());
+    label.setLabelFor(myEditor);
   }
 
   @Override
   public void setEnabled(boolean enabled) {
     super.setEnabled(enabled);
-    myTextField.setEnabled(enabled);
+    (myTextField != null ? myTextField : myEditor).setEnabled(enabled);
   }
 }

platform/util/resources/misc/registry.properties

@@ -688,6 +688,9 @@ emmet.segments.limit=50
 emmet.template.length.limit.kilobytes=15
 command.line.execution.timeout=30
 
+raw.command.line.editor.dialog=false
+raw.command.line.editor.dialog.description=Use dialog to edit command line
+
 ide.settings.keymap.input.method.enabled=false
 ide.settings.keymap.input.method.enabled.description=Use input method instead of simple key event to enter shortcuts.