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The source code

/*
 * Macros.java - Macro manager
 * :tabSize=8:indentSize=8:noTabs=false:
 * :folding=explicit:collapseFolds=1:
 *
 * Copyright (C) 1999, 2004 Slava Pestov
 * Portions copyright (C) 2002 mike dillon
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package org.gjt.sp.jedit;

//{{{ Imports
import gnu.regexp.RE;
import javax.swing.*;
import java.awt.*;
import java.io.*;
import java.util.*;
import org.gjt.sp.jedit.msg.*;
import org.gjt.sp.util.Log;
//}}}

/**
 * This class records and runs macros.

* * It also contains a few methods useful for displaying output messages * or obtaining input from a macro: * *

    *
  • {@link #confirm(Component,String,int)}
  • *
  • {@link #confirm(Component,String,int,int)}
  • *
  • {@link #error(Component,String)}
  • *
  • {@link #input(Component,String)}
  • *
  • {@link #input(Component,String,String)}
  • *
  • {@link #message(Component,String)}
  • *
* * Note that plugins should not use the above methods. Call * the methods in the {@link GUIUtilities} class instead. * * @author Slava Pestov * @version $Id: Macros.java,v 1.40 2004/07/12 19:25:07 spestov Exp $ */ public class Macros { //{{{ showRunScriptDialog() method /** * Prompts for one or more files to run as macros * @param view The view * @since jEdit 4.0pre7 */ public static void showRunScriptDialog(View view) { String[] paths = GUIUtilities.showVFSFileDialog(view, null,JFileChooser.OPEN_DIALOG,true); if(paths != null) { Buffer buffer = view.getBuffer(); try { buffer.beginCompoundEdit(); file_loop: for(int i = 0; i < paths.length; i++) runScript(view,paths[i],false); } finally { buffer.endCompoundEdit(); } } } //}}} //{{{ runScript() method /** * Runs the specified script. * Unlike the {@link BeanShell#runScript(View,String,Reader,boolean)} * method, this method can run scripts supported * by any registered macro handler. * @param view The view * @param path The VFS path of the script * @param ignoreUnknown If true, then unknown file types will be * ignored; otherwise, a warning message will be printed and they will * be evaluated as BeanShell scripts. * * @since jEdit 4.1pre2 */ public static void runScript(View view, String path, boolean ignoreUnknown) { Handler handler = getHandlerForPathName(path); if(handler != null) { try { Macro newMacro = handler.createMacro( MiscUtilities.getFileName(path), path); newMacro.invoke(view); } catch (Exception e) { Log.log(Log.ERROR, Macros.class, e); return; } return; } // only executed if above loop falls // through, ie there is no handler for // this file if(ignoreUnknown) { Log.log(Log.NOTICE,Macros.class,path + ": Cannot find a suitable macro handler"); } else { Log.log(Log.ERROR,Macros.class,path + ": Cannot find a suitable macro handler, " + "assuming BeanShell"); getHandler("beanshell").createMacro( path,path).invoke(view); } } //}}} //{{{ message() method /** * Utility method that can be used to display a message dialog in a macro. * @param comp The component to show the dialog on behalf of, this * will usually be a view instance * @param message The message * @since jEdit 2.7pre2 */ public static void message(Component comp, String message) { GUIUtilities.hideSplashScreen(); JOptionPane.showMessageDialog(comp,message, jEdit.getProperty("macro-message.title"), JOptionPane.INFORMATION_MESSAGE); } //}}} //{{{ error() method /** * Utility method that can be used to display an error dialog in a macro. * @param comp The component to show the dialog on behalf of, this * will usually be a view instance * @param message The message * @since jEdit 2.7pre2 */ public static void error(Component comp, String message) { GUIUtilities.hideSplashScreen(); JOptionPane.showMessageDialog(comp,message, jEdit.getProperty("macro-message.title"), JOptionPane.ERROR_MESSAGE); } //}}} //{{{ input() method /** * Utility method that can be used to prompt for input in a macro. * @param comp The component to show the dialog on behalf of, this * will usually be a view instance * @param prompt The prompt string * @since jEdit 2.7pre2 */ public static String input(Component comp, String prompt) { GUIUtilities.hideSplashScreen(); return input(comp,prompt,null); } //}}} //{{{ input() method /** * Utility method that can be used to prompt for input in a macro. * @param comp The component to show the dialog on behalf of, this * will usually be a view instance * @param prompt The prompt string * @since jEdit 3.1final */ public static String input(Component comp, String prompt, String defaultValue) { GUIUtilities.hideSplashScreen(); return (String)JOptionPane.showInputDialog(comp,prompt, jEdit.getProperty("macro-input.title"), JOptionPane.QUESTION_MESSAGE,null,null,defaultValue); } //}}} //{{{ confirm() method /** * Utility method that can be used to ask for confirmation in a macro. * @param comp The component to show the dialog on behalf of, this * will usually be a view instance * @param prompt The prompt string * @param buttons The buttons to display - for example, * JOptionPane.YES_NO_CANCEL_OPTION * @since jEdit 4.0pre2 */ public static int confirm(Component comp, String prompt, int buttons) { GUIUtilities.hideSplashScreen(); return JOptionPane.showConfirmDialog(comp,prompt, jEdit.getProperty("macro-confirm.title"),buttons, JOptionPane.QUESTION_MESSAGE); } //}}} //{{{ confirm() method /** * Utility method that can be used to ask for confirmation in a macro. * @param comp The component to show the dialog on behalf of, this * will usually be a view instance * @param prompt The prompt string * @param buttons The buttons to display - for example, * JOptionPane.YES_NO_CANCEL_OPTION * @param type The dialog type - for example, * JOptionPane.WARNING_MESSAGE */ public static int confirm(Component comp, String prompt, int buttons, int type) { GUIUtilities.hideSplashScreen(); return JOptionPane.showConfirmDialog(comp,prompt, jEdit.getProperty("macro-confirm.title"),buttons,type); } //}}} //{{{ loadMacros() method /** * Rebuilds the macros list, and sends a MacrosChanged message * (views update their Macros menu upon receiving it) * @since jEdit 2.2pre4 */ public static void loadMacros() { macroActionSet.removeAllActions(); macroHierarchy.removeAllElements(); macroHash.clear(); // since subsequent macros with the same name are ignored, // load user macros first so that they override the system // macros. String settings = jEdit.getSettingsDirectory(); if(settings != null) { userMacroPath = MiscUtilities.constructPath( settings,"macros"); loadMacros(macroHierarchy,"",new File(userMacroPath)); } if(jEdit.getJEditHome() != null) { systemMacroPath = MiscUtilities.constructPath( jEdit.getJEditHome(),"macros"); loadMacros(macroHierarchy,"",new File(systemMacroPath)); } EditBus.send(new DynamicMenuChanged("macros")); } //}}} //{{{ registerHandler() method /** * Adds a macro handler to the handlers list * @since jEdit 4.0pre6 */ public static void registerHandler(Handler handler) { if (getHandler(handler.getName()) != null) { Log.log(Log.ERROR, Macros.class, "Cannot register more than one macro handler with the same name"); return; } Log.log(Log.DEBUG,Macros.class,"Registered " + handler.getName() + " macro handler"); macroHandlers.add(handler); } //}}} //{{{ getHandlers() method /** * Returns an array containing the list of registered macro handlers * @since jEdit 4.0pre6 */ public static Handler[] getHandlers() { Handler[] handlers = new Handler[macroHandlers.size()]; return (Handler[])macroHandlers.toArray(handlers); } //}}} //{{{ getHandlerForFileName() method /** * Returns the macro handler suitable for running the specified file * name, or null if there is no suitable handler. * @since jEdit 4.1pre3 */ public static Handler getHandlerForPathName(String pathName) { for (int i = 0; i < macroHandlers.size(); i++) { Handler handler = (Handler)macroHandlers.get(i); if (handler.accept(pathName)) return handler; } return null; } //}}} //{{{ getHandler() method /** * Returns the macro handler with the specified name, or null if * there is no registered handler with that name. * @since jEdit 4.0pre6 */ public static Handler getHandler(String name) { Handler handler = null; for (int i = 0; i < macroHandlers.size(); i++) { handler = (Handler)macroHandlers.get(i); if (handler.getName().equals(name)) return handler; } return null; } //}}} //{{{ getMacroHierarchy() method /** * Returns a vector hierarchy with all known macros in it. * Each element of this vector is either a macro name string, * or another vector. If it is a vector, the first element is a * string label, the rest are again, either macro name strings * or vectors. * @since jEdit 2.6pre1 */ public static Vector getMacroHierarchy() { return macroHierarchy; } //}}} //{{{ getMacroActionSet() method /** * Returns an action set with all known macros in it. * @since jEdit 4.0pre1 */ public static ActionSet getMacroActionSet() { return macroActionSet; } //}}} //{{{ getMacro() method /** * Returns the macro with the specified name. * @param macro The macro's name * @since jEdit 2.6pre1 */ public static Macro getMacro(String macro) { return (Macro)macroHash.get(macro); } //}}} //{{{ Macro class /** * Encapsulates the macro's label, name and path. * @since jEdit 2.2pre4 */ public static class Macro extends EditAction { //{{{ Macro constructor public Macro(Handler handler, String name, String label, String path) { super(name); this.handler = handler; this.label = label; this.path = path; } //}}} //{{{ getHandler() method public Handler getHandler() { return handler; } //}}} //{{{ getPath() method public String getPath() { return path; } //}}} //{{{ invoke() method public void invoke(View view) { if(view == null) handler.runMacro(null,this); else { Buffer buffer = view.getBuffer(); try { buffer.beginCompoundEdit(); handler.runMacro(view,this); } finally { buffer.endCompoundEdit(); } } } //}}} //{{{ getCode() method public String getCode() { return "Macros.getMacro(\"" + getName() + "\").invoke(view);"; } //}}} //{{{ macroNameToLabel() method public static String macroNameToLabel(String macroName) { int index = macroName.lastIndexOf('/'); return macroName.substring(index + 1).replace('_', ' '); } //}}} //{{{ Private members private Handler handler; private String path; String label; //}}} } //}}} //{{{ recordTemporaryMacro() method /** * Starts recording a temporary macro. * @param view The view * @since jEdit 2.7pre2 */ public static void recordTemporaryMacro(View view) { String settings = jEdit.getSettingsDirectory(); if(settings == null) { GUIUtilities.error(view,"no-settings",new String[0]); return; } if(view.getMacroRecorder() != null) { GUIUtilities.error(view,"already-recording",new String[0]); return; } Buffer buffer = jEdit.openFile(null,settings + File.separator + "macros","Temporary_Macro.bsh",true,null); if(buffer == null) return; buffer.remove(0,buffer.getLength()); buffer.insert(0,jEdit.getProperty("macro.temp.header")); recordMacro(view,buffer,true); } //}}} //{{{ recordMacro() method /** * Starts recording a macro. * @param view The view * @since jEdit 2.7pre2 */ public static void recordMacro(View view) { String settings = jEdit.getSettingsDirectory(); if(settings == null) { GUIUtilities.error(view,"no-settings",new String[0]); return; } if(view.getMacroRecorder() != null) { GUIUtilities.error(view,"already-recording",new String[0]); return; } String name = GUIUtilities.input(view,"record",null); if(name == null) return; name = name.replace(' ','_'); Buffer buffer = jEdit.openFile(null,null, MiscUtilities.constructPath(settings,"macros", name + ".bsh"),true,null); if(buffer == null) return; buffer.remove(0,buffer.getLength()); buffer.insert(0,jEdit.getProperty("macro.header")); recordMacro(view,buffer,false); } //}}} //{{{ stopRecording() method /** * Stops a recording currently in progress. * @param view The view * @since jEdit 2.7pre2 */ public static void stopRecording(View view) { Recorder recorder = view.getMacroRecorder(); if(recorder == null) GUIUtilities.error(view,"macro-not-recording",null); else { view.setMacroRecorder(null); if(!recorder.temporary) view.setBuffer(recorder.buffer); recorder.dispose(); } } //}}} //{{{ runTemporaryMacro() method /** * Runs the temporary macro. * @param view The view * @since jEdit 2.7pre2 */ public static void runTemporaryMacro(View view) { String settings = jEdit.getSettingsDirectory(); if(settings == null) { GUIUtilities.error(view,"no-settings",null); return; } String path = MiscUtilities.constructPath( jEdit.getSettingsDirectory(),"macros", "Temporary_Macro.bsh"); if(jEdit.getBuffer(path) == null) { GUIUtilities.error(view,"no-temp-macro",null); return; } Handler handler = getHandler("beanshell"); Macro temp = handler.createMacro(path,path); Buffer buffer = view.getBuffer(); try { buffer.beginCompoundEdit(); temp.invoke(view); } finally { /* I already wrote a comment expaining this in * Macro.invoke(). */ if(buffer.insideCompoundEdit()) buffer.endCompoundEdit(); } } //}}} //{{{ Private members //{{{ Static variables private static String systemMacroPath; private static String userMacroPath; private static ArrayList macroHandlers; private static ActionSet macroActionSet; private static Vector macroHierarchy; private static Hashtable macroHash; //}}} //{{{ Class initializer static { macroHandlers = new ArrayList(); registerHandler(new BeanShellHandler()); macroActionSet = new ActionSet(jEdit.getProperty("action-set.macros")); jEdit.addActionSet(macroActionSet); macroHierarchy = new Vector(); macroHash = new Hashtable(); } //}}} //{{{ loadMacros() method private static void loadMacros(Vector vector, String path, File directory) { File[] macroFiles = directory.listFiles(); if(macroFiles == null || macroFiles.length == 0) return; for(int i = 0; i < macroFiles.length; i++) { File file = macroFiles[i]; String fileName = file.getName(); if(file.isHidden()) { /* do nothing! */ continue; } else if(file.isDirectory()) { String submenuName = fileName.replace('_',' '); Vector submenu = null; //{{{ try to merge with an existing menu first for(int j = 0; j < vector.size(); j++) { Object obj = vector.get(j); if(obj instanceof Vector) { Vector vec = (Vector)obj; if(((String)vec.get(0)).equals(submenuName)) { submenu = vec; break; } } } //}}} if(submenu == null) { submenu = new Vector(); submenu.addElement(submenuName); vector.addElement(submenu); } loadMacros(submenu,path + fileName + '/',file); } else { addMacro(file,path,vector); } } } //}}} //{{{ addMacro() method private static void addMacro(File file, String path, Vector vector) { String fileName = file.getName(); Handler handler = getHandlerForPathName(file.getPath()); if(handler == null) return; try { // in case macro file name has a space in it. // spaces break the view.toolBar property, for instance, // since it uses spaces to delimit action names. String macroName = (path + fileName).replace(' ','_'); Macro newMacro = handler.createMacro(macroName, file.getPath()); // ignore if already added. // see comment in loadMacros(). if(macroHash.get(newMacro.getName()) != null) return; vector.addElement(newMacro.getName()); jEdit.setTemporaryProperty(newMacro.getName() + ".label", newMacro.label); jEdit.setTemporaryProperty(newMacro.getName() + ".mouse-over", handler.getLabel() + " - " + file.getPath()); macroActionSet.addAction(newMacro); macroHash.put(newMacro.getName(),newMacro); } catch (Exception e) { Log.log(Log.ERROR, Macros.class, e); macroHandlers.remove(handler); } } //}}} //{{{ recordMacro() method /** * Starts recording a macro. * @param view The view * @param buffer The buffer to record to * @param temporary True if this is a temporary macro * @since jEdit 3.0pre5 */ private static void recordMacro(View view, Buffer buffer, boolean temporary) { view.setMacroRecorder(new Recorder(view,buffer,temporary)); // setting the message to 'null' causes the status bar to check // if a recording is in progress view.getStatus().setMessage(null); } //}}} //}}} //{{{ Recorder class /** * Handles macro recording. */ public static class Recorder implements EBComponent { View view; Buffer buffer; boolean temporary; boolean lastWasInput; boolean lastWasOverwrite; int overwriteCount; //{{{ Recorder constructor public Recorder(View view, Buffer buffer, boolean temporary) { this.view = view; this.buffer = buffer; this.temporary = temporary; EditBus.addToBus(this); } //}}} //{{{ record() method public void record(String code) { flushInput(); append("\n"); append(code); } //}}} //{{{ record() method public void record(int repeat, String code) { if(repeat == 1) record(code); else { record("for(int i = 1; i <= " + repeat + "; i++)\n" + "{\n" + code + "\n" + "}"); } } //}}} //{{{ recordInput() method /** * @since jEdit 4.2pre5 */ public void recordInput(int repeat, char ch, boolean overwrite) { // record \n and \t on lines specially so that auto indent // can take place if(ch == '\n') record(repeat,"textArea.userInput(\'\\n\');"); else if(ch == '\t') record(repeat,"textArea.userInput(\'\\t\');"); else { StringBuffer buf = new StringBuffer(); for(int i = 0; i < repeat; i++) buf.append(ch); recordInput(buf.toString(),overwrite); } } //}}} //{{{ recordInput() method /** * @since jEdit 4.2pre5 */ public void recordInput(String str, boolean overwrite) { String charStr = MiscUtilities.charsToEscapes(str); if(overwrite) { if(lastWasOverwrite) { overwriteCount++; append(charStr); } else { flushInput(); overwriteCount = 1; lastWasOverwrite = true; append("\ntextArea.setSelectedText(\"" + charStr); } } else { if(lastWasInput) append(charStr); else { flushInput(); lastWasInput = true; append("\ntextArea.setSelectedText(\"" + charStr); } } } //}}} //{{{ handleMessage() method public void handleMessage(EBMessage msg) { if(msg instanceof BufferUpdate) { BufferUpdate bmsg = (BufferUpdate)msg; if(bmsg.getWhat() == BufferUpdate.CLOSED) { if(bmsg.getBuffer() == buffer) stopRecording(view); } } } //}}} //{{{ append() method private void append(String str) { buffer.insert(buffer.getLength(),str); } //}}} //{{{ dispose() method private void dispose() { flushInput(); for(int i = 0; i < buffer.getLineCount(); i++) { buffer.indentLine(i,true); } EditBus.removeFromBus(this); // setting the message to 'null' causes the status bar to // check if a recording is in progress view.getStatus().setMessage(null); } //}}} //{{{ flushInput() method /** * We try to merge consecutive inputs. This helper method is * called when something other than input is to be recorded. */ private void flushInput() { if(lastWasInput) { lastWasInput = false; append("\");"); } if(lastWasOverwrite) { lastWasOverwrite = false; append("\");\n"); append("offset = buffer.getLineEndOffset(" + "textArea.getCaretLine()) - 1;\n"); append("buffer.remove(textArea.getCaretPosition()," + "Math.min(" + overwriteCount + ",offset - " + "textArea.getCaretPosition()));"); } } //}}} } //}}} //{{{ Handler class /** * Encapsulates creating and invoking macros in arbitrary scripting languages * @since jEdit 4.0pre6 */ public static abstract class Handler { //{{{ getName() method public String getName() { return name; } //}}} //{{{ getLabel() method public String getLabel() { return label; } //}}} //{{{ accept() method public boolean accept(String path) { return filter.isMatch(MiscUtilities.getFileName(path)); } //}}} //{{{ createMacro() method public abstract Macro createMacro(String macroName, String path); //}}} //{{{ runMacro() method /** * Runs the specified macro. * @param view The view - may be null. * @param macro The macro. */ public abstract void runMacro(View view, Macro macro); //}}} //{{{ runMacro() method /** * Runs the specified macro. This method is optional; it is * called if the specified macro is a startup script. The * default behavior is to simply call {@link #runMacro(View,Macros.Macro)}. * * @param view The view - may be null. * @param macro The macro. * @param ownNamespace A hint indicating whenever functions and * variables defined in the script are to be self-contained, or * made available to other scripts. The macro handler may ignore * this parameter. * @since jEdit 4.1pre3 */ public void runMacro(View view, Macro macro, boolean ownNamespace) { runMacro(view,macro); } //}}} //{{{ Handler constructor protected Handler(String name) { this.name = name; label = jEdit.getProperty("macro-handler." + name + ".label", name); try { filter = new RE(MiscUtilities.globToRE( jEdit.getProperty( "macro-handler." + name + ".glob"))); } catch (Exception e) { throw new InternalError("Missing or invalid glob for handler " + name); } } //}}} //{{{ Private members private String name; private String label; private RE filter; //}}} } //}}} //{{{ BeanShellHandler class static class BeanShellHandler extends Handler { //{{{ BeanShellHandler constructor BeanShellHandler() { super("beanshell"); } //}}} //{{{ createMacro() method public Macro createMacro(String macroName, String path) { // Remove '.bsh' macroName = macroName.substring(0, macroName.length() - 4); return new Macro(this, macroName, Macro.macroNameToLabel(macroName), path); } //}}} //{{{ runMacro() method public void runMacro(View view, Macro macro) { BeanShell.runScript(view,macro.getPath(),null,true); } //}}} //{{{ runMacro() method public void runMacro(View view, Macro macro, boolean ownNamespace) { BeanShell.runScript(view,macro.getPath(),null,ownNamespace); } //}}} } //}}} }
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