package com.bitbakery.plugin.arc.repl;
/*
* Copyright (c) Kurt Christensen, 2009
*
* Licensed under the Artistic 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.opensource.org/licenses/artistic-license-2.0.php
*
* 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..
*/
import com.bitbakery.plugin.arc.ArcIcons;
import static com.bitbakery.plugin.arc.ArcStrings.message;
import com.intellij.execution.ExecutionException;
import com.intellij.execution.filters.TextConsoleBuilder;
import com.intellij.execution.filters.TextConsoleBuilderFactory;
import com.intellij.execution.process.*;
import com.intellij.execution.ui.ConsoleView;
import com.intellij.execution.ui.ConsoleViewContentType;
import com.intellij.openapi.actionSystem.ActionGroup;
import com.intellij.openapi.actionSystem.ActionManager;
import com.intellij.openapi.actionSystem.ActionPopupMenu;
import com.intellij.openapi.actionSystem.ActionToolbar;
import com.intellij.openapi.components.ProjectComponent;
import com.intellij.openapi.editor.ScrollType;
import com.intellij.openapi.editor.ex.EditorEx;
import com.intellij.openapi.editor.impl.EditorComponentImpl;
import com.intellij.openapi.options.ConfigurationException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.wm.ToolWindow;
import com.intellij.openapi.wm.ToolWindowAnchor;
import com.intellij.openapi.wm.ToolWindowManager;
import com.intellij.ui.content.Content;
import com.intellij.ui.content.ContentFactory;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PipedReader;
import java.io.PipedWriter;
import java.util.ArrayList;
import java.util.List;
public class ReplToolWindow implements ProjectComponent {
private static final String REPL_TOOL_WINDOW_ID = "repl.toolWindow";
private Project myProject;
private List<Repl> replList = new ArrayList<Repl>();
private JTabbedPane tabbedPane;
private ToolWindow toolWindow;
private ActionPopupMenu popup;
public ReplToolWindow(Project project) {
myProject = project;
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
disposeComponent();
}
});
}
public void requestFocus() {
toolWindow.activate(null, true);
if (tabbedPane.getSelectedIndex() > -1) {
Repl repl = replList.get(tabbedPane.getSelectedIndex());
repl.view.getPreferredFocusableComponent().requestFocusInWindow();
}
}
public String writeToCurrentRepl(String s) {
return writeToCurrentRepl(s, true);
}
public String writeToCurrentRepl(String s, boolean requestFocus) {
// TODO - We should perhaps create a new REPL if one doesn't exist...?
if (tabbedPane.getSelectedIndex() > -1) {
final PipedWriter pipeOut;
PipedReader pipeIn = null;
try {
if (requestFocus) requestFocus();
final Repl repl = replList.get(tabbedPane.getSelectedIndex());
pipeOut = new PipedWriter();
pipeIn = new PipedReader(pipeOut);
BufferedReader in = new BufferedReader(pipeIn);
ProcessListener processListener = new ProcessAdapter() {
@Override
public void onTextAvailable(ProcessEvent event, Key outputType) {
try {
pipeOut.write(event.getText());
pipeOut.flush();
pipeOut.close();
} catch (IOException e) {
e.printStackTrace();
}
}
};
repl.processHandler.addProcessListener(processListener);
repl.view.print(s + "\r\n", ConsoleViewContentType.USER_INPUT);
StringBuffer buf = new StringBuffer();
String str;
while ((str = in.readLine()) != null) {
buf.append(str);
}
buf.delete(0, 5); // Remove the 'arc> ' prefix
repl.processHandler.removeProcessListener(processListener);
return buf.toString().trim();
} catch (IOException e) {
e.printStackTrace();
return null;
} finally {
if (pipeIn != null) {
try {
pipeIn.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
return null;
}
public void projectOpened() {
try {
initToolWindow();
} catch (Exception e) {
// TODO - Handle me for real...
e.printStackTrace(); // TODO - Some sort of real error handling
}
}
public void projectClosed() {
// ??? unregisterToolWindow();
}
public void initComponent() {
// Empty
// TODO - We need a way to open and close the REPL tool window, not just individual REPLs
// toolWindow.setAvailable(true);
}
public void disposeComponent() {
/* TODO - Memory leaks galore from this guy... need to call on the EventDispatch thread; who *knows* what else I'm doing wrong?? <sigh>...
ToolWindowManager.getInstance(myProject).unregisterToolWindow(message("repl.toolWindowName"));
tabbedPane.removeAll();
*/
for (Repl repl : replList) {
repl.close();
}
}
@NotNull
public String getComponentName() {
return REPL_TOOL_WINDOW_ID;
}
private void initToolWindow() throws ExecutionException, IOException {
if (myProject != null) {
tabbedPane = new JTabbedPane(JTabbedPane.BOTTOM);
JPanel panel = new JPanel(new BorderLayout());
panel.add(tabbedPane, BorderLayout.CENTER);
ActionManager am = ActionManager.getInstance();
ActionGroup group = (ActionGroup) am.getAction("ArcReplActionGroup");
ActionToolbar toolbar = am.createActionToolbar(message("repl.title"), group, false);
panel.add(toolbar.getComponent(), BorderLayout.WEST);
toolWindow = ToolWindowManager.getInstance(myProject).registerToolWindow(message("repl.title"), false, ToolWindowAnchor.BOTTOM);
ContentFactory contentFactory = ContentFactory.SERVICE.getInstance();
Content content = contentFactory.createContent(panel, null, true);
toolWindow.getContentManager().addContent(content);
toolWindow.setIcon(ArcIcons.ARC_REPL_ICON);
// toolWindow.setToHideOnEmptyContent(true);
popup = am.createActionPopupMenu(message("repl.title"), group);
panel.setComponentPopupMenu(popup.getComponent());
toolWindow.getComponent().setComponentPopupMenu(popup.getComponent());
toolbar.getComponent().setComponentPopupMenu(popup.getComponent());
createRepl();
}
}
public void createRepl() {
try {
Repl repl = new Repl();
replList.add(repl);
tabbedPane.addTab(message("repl.title"), repl.view.getComponent());
tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
} catch (IOException e) {
e.printStackTrace(); // TODO - Do something magnificent
} catch (ConfigurationException e) {
JOptionPane.showMessageDialog(null,
message("config.error.replNotConfiguredMessage"),
message("config.error.replNotConfiguredTitle"),
JOptionPane.WARNING_MESSAGE);
}
}
public void removeCurrentRepl() {
int i = tabbedPane.getSelectedIndex();
if (i > -1) {
replList.remove(i).close();
tabbedPane.removeTabAt(i);
}
}
public void renameCurrentRepl() {
int tabIndex = tabbedPane.getSelectedIndex();
if (tabIndex > -1) {
String oldTitle = tabbedPane.getTitleAt(tabIndex);
// TODO - Should build my own small tool window dialog, positioned wherever the user clicked
String newTitle = (String) JOptionPane.showInputDialog(
tabbedPane.getSelectedComponent(), null, message("repl.rename"),
JOptionPane.PLAIN_MESSAGE, null, null, oldTitle);
if (newTitle != null) {
tabbedPane.setTitleAt(tabIndex, newTitle);
}
}
}
private class Repl {
public ConsoleView view;
private ProcessHandler processHandler;
public Repl() throws IOException, ConfigurationException {
TextConsoleBuilder builder = TextConsoleBuilderFactory.getInstance().createBuilder(myProject);
view = builder.getConsole();
// TODO - What does the "help ID" give us??
// view.setHelpId("Kurt's Help ID");
processHandler = new ArcProcessHandler();
ProcessTerminatedListener.attach(processHandler);
processHandler.startNotify();
view.attachToProcess(processHandler);
tabbedPane.addTab(message("repl.title"), view.getComponent());
final EditorEx ed = getEditor();
ed.getContentComponent().addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent event) {
// TODO - This is probably wrong, actually, but it's a start...
ed.getCaretModel().moveToOffset(view.getContentSize());
ed.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
}
});
// TODO - Experimental... Play around with what widgetry we'd like to see in the REPL
ed.getSettings().setSmartHome(true);
ed.getSettings().setVariableInplaceRenameEnabled(true);
ed.getSettings().setAnimatedScrolling(true);
ed.getSettings().setFoldingOutlineShown(true);
//e.getSettings().setLineNumbersShown(true);
ed.getContentComponent().setComponentPopupMenu(popup.getComponent());
view.getComponent().setComponentPopupMenu(popup.getComponent());
/*
// TODO - Register TransferHandler with the *code* editor; we *never* want to move, only copy. Also, we'd like a custom icon.
e.getContentComponent().setTransferHandler(new TransferHandler() {
public Icon getVisualRepresentation(Transferable transferable) {
return ArcIcons.ARC_LARGE_ICON;
}
});
*/
/*
ed.getContentComponent().setDropTarget(new DropTarget() {
public synchronized void drop(DropTargetDropEvent event) {
try {
Transferable transferable = event.getTransferable();
String s = (String) transferable.getTransferData(DataFlavor.stringFlavor);
view.print(s.trim(), ConsoleViewContentType.USER_INPUT);
event.dropComplete(true);
} catch (UnsupportedFlavorException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
}
}
});
*/
// This is how we can add add'l tooling to our REPL window!
// e.setHeaderComponent(new JLabel("Only a test"));
// TODO - Ctrl-v (paste) should trim string before dropping
// TODO - Drag-n-drop text isn't working from editor to console... why not?
// Unfortunately, the following two lines do nothing to make either of the above things happen...
//e.getSettings().setDndEnabled(true);
//e.getContentComponent().getDropTarget().setActive(true);
}
public EditorEx getEditor() {
EditorComponentImpl eci = (EditorComponentImpl) view.getPreferredFocusableComponent();
return eci.getEditor();
}
public void close() {
view.print("(quit)\r\n", ConsoleViewContentType.USER_INPUT);
if (processHandler != null) {
processHandler.destroyProcess();
}
}
}
}