/jEdit/tags/jedit-4-2-pre14/org/gjt/sp/jedit/jEdit.java
Java | 2748 lines | 1624 code | 333 blank | 791 comment | 377 complexity | b9734d3831fe104fde059ae39542be5a MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
- /*
- * jEdit.java - Main class of the jEdit editor
- * :tabSize=8:indentSize=8:noTabs=false:
- * :folding=explicit:collapseFolds=1:
- *
- * Copyright (C) 1998, 2004 Slava Pestov
- *
- * 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 bsh.UtilEvalError;
- import com.microstar.xml.*;
- import javax.swing.plaf.metal.*;
- import javax.swing.*;
- import java.awt.*;
- import java.io.*;
- import java.net.*;
- import java.text.MessageFormat;
- import java.util.*;
- import org.gjt.sp.jedit.buffer.BufferIORequest;
- import org.gjt.sp.jedit.buffer.KillRing;
- import org.gjt.sp.jedit.msg.*;
- import org.gjt.sp.jedit.gui.*;
- import org.gjt.sp.jedit.help.HelpViewer;
- import org.gjt.sp.jedit.io.*;
- import org.gjt.sp.jedit.pluginmgr.PluginManager;
- import org.gjt.sp.jedit.search.SearchAndReplace;
- import org.gjt.sp.jedit.syntax.*;
- import org.gjt.sp.jedit.textarea.*;
- import org.gjt.sp.util.Log;
- //}}}
- /**
- * The main class of the jEdit text editor.
- * @author Slava Pestov
- * @version $Id: jEdit.java 5053 2004-05-29 01:55:26Z spestov $
- */
- public class jEdit
- {
- //{{{ getVersion() method
- /**
- * Returns the jEdit version as a human-readable string.
- */
- public static String getVersion()
- {
- return MiscUtilities.buildToVersion(getBuild());
- } //}}}
- //{{{ getBuild() method
- /**
- * Returns the internal version. MiscUtilities.compareStrings() can be used
- * to compare different internal versions.
- */
- public static String getBuild()
- {
- // (major).(minor).(<99 = preX, 99 = final).(bug fix)
- return "04.02.14.00";
- } //}}}
- //{{{ main() method
- /**
- * The main method of the jEdit application.
- * This should never be invoked directly.
- * @param args The command line arguments
- */
- public static void main(String[] args)
- {
- //{{{ Check for Java 1.3 or later
- String javaVersion = System.getProperty("java.version");
- if(javaVersion.compareTo("1.3") < 0)
- {
- System.err.println("You are running Java version "
- + javaVersion + ".");
- System.err.println("jEdit requires Java 1.3 or later.");
- System.exit(1);
- } //}}}
- // later on we need to know if certain code is called from
- // the main thread
- mainThread = Thread.currentThread();
- settingsDirectory = ".jedit";
- // MacOS users expect the app to keep running after all windows
- // are closed
- background = OperatingSystem.isMacOS();
- //{{{ Parse command line
- boolean endOpts = false;
- int level = Log.WARNING;
- String portFile = "server";
- boolean restore = true;
- boolean newView = true;
- boolean newPlainView = false;
- boolean gui = true; // open initial view?
- boolean loadPlugins = true;
- boolean runStartupScripts = true;
- boolean quit = false;
- boolean wait = false;
- String userDir = System.getProperty("user.dir");
- // script to run
- String scriptFile = null;
- for(int i = 0; i < args.length; i++)
- {
- String arg = args[i];
- if(arg == null)
- continue;
- else if(arg.length() == 0)
- args[i] = null;
- else if(arg.startsWith("-") && !endOpts)
- {
- if(arg.equals("--"))
- endOpts = true;
- else if(arg.equals("-usage"))
- {
- version();
- System.err.println();
- usage();
- System.exit(1);
- }
- else if(arg.equals("-version"))
- {
- version();
- System.exit(1);
- }
- else if(arg.startsWith("-log="))
- {
- try
- {
- level = Integer.parseInt(arg.substring("-log=".length()));
- }
- catch(NumberFormatException nf)
- {
- System.err.println("Malformed option: " + arg);
- }
- }
- else if(arg.equals("-nosettings"))
- settingsDirectory = null;
- else if(arg.startsWith("-settings="))
- settingsDirectory = arg.substring(10);
- else if(arg.startsWith("-noserver"))
- portFile = null;
- else if(arg.equals("-server"))
- portFile = "server";
- else if(arg.startsWith("-server="))
- portFile = arg.substring(8);
- else if(arg.startsWith("-background"))
- background = true;
- else if(arg.startsWith("-nobackground"))
- background = false;
- else if(arg.equals("-gui"))
- gui = true;
- else if(arg.equals("-nogui"))
- gui = false;
- else if(arg.equals("-newview"))
- newView = true;
- else if(arg.equals("-newplainview"))
- newPlainView = true;
- else if(arg.equals("-reuseview"))
- newPlainView = newView = false;
- else if(arg.equals("-restore"))
- restore = true;
- else if(arg.equals("-norestore"))
- restore = false;
- else if(arg.equals("-plugins"))
- loadPlugins = true;
- else if(arg.equals("-noplugins"))
- loadPlugins = false;
- else if(arg.equals("-startupscripts"))
- runStartupScripts = true;
- else if(arg.equals("-nostartupscripts"))
- runStartupScripts = false;
- else if(arg.startsWith("-run="))
- scriptFile = arg.substring(5);
- else if(arg.equals("-wait"))
- wait = true;
- else if(arg.equals("-quit"))
- quit = true;
- else
- {
- System.err.println("Unknown option: "
- + arg);
- usage();
- System.exit(1);
- }
- args[i] = null;
- }
- } //}}}
- //{{{ We need these initializations very early on
- if(settingsDirectory != null)
- {
- settingsDirectory = MiscUtilities.constructPath(
- System.getProperty("user.home"),
- settingsDirectory);
- settingsDirectory = MiscUtilities.resolveSymlinks(
- settingsDirectory);
- }
- if(settingsDirectory != null && portFile != null)
- portFile = MiscUtilities.constructPath(settingsDirectory,portFile);
- else
- portFile = null;
- Log.init(true,level);
- //}}}
- //{{{ Try connecting to another running jEdit instance
- if(portFile != null && new File(portFile).exists())
- {
- int port, key;
- try
- {
- BufferedReader in = new BufferedReader(new FileReader(portFile));
- String check = in.readLine();
- if(!check.equals("b"))
- throw new Exception("Wrong port file format");
- port = Integer.parseInt(in.readLine());
- key = Integer.parseInt(in.readLine());
- Socket socket = new Socket(InetAddress.getByName("127.0.0.1"),port);
- DataOutputStream out = new DataOutputStream(
- socket.getOutputStream());
- out.writeInt(key);
- String script;
- if(quit)
- {
- script = "socket.close();\n"
- + "jEdit.exit(null,true);\n";
- }
- else
- {
- script = makeServerScript(wait,restore,
- newView,newPlainView,args,
- scriptFile);
- }
- out.writeUTF(script);
- Log.log(Log.DEBUG,jEdit.class,"Waiting for server");
- // block until its closed
- try
- {
- socket.getInputStream().read();
- }
- catch(Exception e)
- {
- }
- in.close();
- out.close();
- System.exit(0);
- }
- catch(Exception e)
- {
- // ok, this one seems to confuse newbies
- // endlessly, so log it as NOTICE, not
- // ERROR
- Log.log(Log.NOTICE,jEdit.class,"An error occurred"
- + " while connecting to the jEdit server instance.");
- Log.log(Log.NOTICE,jEdit.class,"This probably means that"
- + " jEdit crashed and/or exited abnormally");
- Log.log(Log.NOTICE,jEdit.class,"the last time it was run.");
- Log.log(Log.NOTICE,jEdit.class,"If you don't"
- + " know what this means, don't worry.");
- Log.log(Log.NOTICE,jEdit.class,e);
- }
- }
- if(quit)
- {
- // if no server running and user runs jedit -quit,
- // just exit
- System.exit(0);
- } //}}}
- // don't show splash screen if there is a file named
- // 'nosplash' in the settings directory
- if(!new File(settingsDirectory,"nosplash").exists())
- GUIUtilities.showSplashScreen();
- //{{{ Initialize settings directory
- Writer stream;
- if(settingsDirectory != null)
- {
- File _settingsDirectory = new File(settingsDirectory);
- if(!_settingsDirectory.exists())
- _settingsDirectory.mkdirs();
- File _macrosDirectory = new File(settingsDirectory,"macros");
- if(!_macrosDirectory.exists())
- _macrosDirectory.mkdir();
- String logPath = MiscUtilities.constructPath(
- settingsDirectory,"activity.log");
- backupSettingsFile(new File(logPath));
- try
- {
- stream = new BufferedWriter(new FileWriter(logPath));
- // Write a warning message:
- String lineSep = System.getProperty("line.separator");
- stream.write("Log file created on " + new Date());
- stream.write(lineSep);
- stream.write("IMPORTANT:");
- stream.write(lineSep);
- stream.write("Because updating this file after "
- + "every log message would kill");
- stream.write(lineSep);
- stream.write("performance, it will be *incomplete* "
- + "unless you invoke the");
- stream.write(lineSep);
- stream.write("Utilities->Troubleshooting->Update "
- + "Activity Log on Disk command!");
- stream.write(lineSep);
- }
- catch(Exception e)
- {
- e.printStackTrace();
- stream = null;
- }
- }
- else
- {
- stream = null;
- } //}}}
- Log.setLogWriter(stream);
- Log.log(Log.NOTICE,jEdit.class,"jEdit version " + getVersion());
- Log.log(Log.MESSAGE,jEdit.class,"Settings directory is "
- + settingsDirectory);
- //{{{ Get things rolling
- initMisc();
- initSystemProperties();
- GUIUtilities.advanceSplashProgress();
- GUIUtilities.init();
- BeanShell.init();
- if(jEditHome != null)
- initSiteProperties();
- initUserProperties();
- //}}}
- //{{{ Initialize server
- if(portFile != null)
- {
- server = new EditServer(portFile);
- if(!server.isOK())
- server = null;
- }
- else
- {
- if(background)
- {
- background = false;
- Log.log(Log.WARNING,jEdit.class,"You cannot specify both the"
- + " -background and -noserver switches");
- }
- } //}}}
- //{{{ Do more stuff
- initPLAF();
- VFSManager.init();
- initResources();
- SearchAndReplace.load();
- GUIUtilities.advanceSplashProgress();
- if(loadPlugins)
- initPlugins();
- HistoryModel.loadHistory();
- BufferHistory.load();
- KillRing.load();
- propertiesChanged();
- GUIUtilities.advanceSplashProgress();
- // Buffer sort
- sortBuffers = getBooleanProperty("sortBuffers");
- sortByName = getBooleanProperty("sortByName");
- reloadModes();
- GUIUtilities.advanceSplashProgress();
- //}}}
- //{{{ Initialize Java 1.4-specific code
- if(OperatingSystem.hasJava14())
- {
- try
- {
- ClassLoader loader = jEdit.class.getClassLoader();
- Class clazz;
- if(loader != null)
- clazz = loader.loadClass("org.gjt.sp.jedit.Java14");
- else
- clazz = Class.forName("org.gjt.sp.jedit.Java14");
- java.lang.reflect.Method meth = clazz
- .getMethod("init",new Class[0]);
- meth.invoke(null,new Object[0]);
- }
- catch(Exception e)
- {
- Log.log(Log.ERROR,jEdit.class,e);
- System.exit(1);
- }
- } //}}}
- //{{{ Activate plugins that must be activated at startup
- for(int i = 0; i < jars.size(); i++)
- {
- ((PluginJAR)jars.elementAt(i)).activatePluginIfNecessary();
- } //}}}
- //{{{ Load macros and run startup scripts, after plugins and settings are loaded
- Macros.loadMacros();
- Macros.getMacroActionSet().initKeyBindings();
- if(runStartupScripts && jEditHome != null)
- {
- String path = MiscUtilities.constructPath(jEditHome,"startup");
- File file = new File(path);
- if(file.exists())
- runStartupScripts(file);
- }
- if(runStartupScripts && settingsDirectory != null)
- {
- String path = MiscUtilities.constructPath(settingsDirectory,"startup");
- File file = new File(path);
- if(!file.exists())
- file.mkdirs();
- else
- runStartupScripts(file);
- } //}}}
- //{{{ Run script specified with -run= parameter
- if(scriptFile != null)
- {
- scriptFile = MiscUtilities.constructPath(userDir,scriptFile);
- try
- {
- BeanShell.getNameSpace().setVariable("args",args);
- }
- catch(UtilEvalError e)
- {
- Log.log(Log.ERROR,jEdit.class,e);
- }
- BeanShell.runScript(null,scriptFile,null,false);
- } //}}}
- GUIUtilities.advanceSplashProgress();
- // Open files, create the view and hide the splash screen.
- finishStartup(gui,restore,userDir,args);
- } //}}}
- //{{{ Property methods
- //{{{ getProperties() method
- /**
- * Returns the properties object which contains all known
- * jEdit properties. Note that as of jEdit 4.2pre10, this returns a
- * new collection, not the existing properties instance.
- * @since jEdit 3.1pre4
- */
- public static final Properties getProperties()
- {
- return propMgr.getProperties();
- } //}}}
- //{{{ getProperty() method
- /**
- * Fetches a property, returning null if it's not defined.
- * @param name The property
- */
- public static final String getProperty(String name)
- {
- return propMgr.getProperty(name);
- } //}}}
- //{{{ getProperty() method
- /**
- * Fetches a property, returning the default value if it's not
- * defined.
- * @param name The property
- * @param def The default value
- */
- public static final String getProperty(String name, String def)
- {
- String value = propMgr.getProperty(name);
- if(value == null)
- return def;
- else
- return value;
- } //}}}
- //{{{ getProperty() method
- /**
- * Returns the property with the specified name.<p>
- *
- * The elements of the <code>args</code> array are substituted
- * into the value of the property in place of strings of the
- * form <code>{<i>n</i>}</code>, where <code><i>n</i></code> is an index
- * in the array.<p>
- *
- * You can find out more about this feature by reading the
- * documentation for the <code>format</code> method of the
- * <code>java.text.MessageFormat</code> class.
- *
- * @param name The property
- * @param args The positional parameters
- */
- public static final String getProperty(String name, Object[] args)
- {
- if(name == null)
- return null;
- if(args == null)
- return getProperty(name);
- else
- {
- String value = getProperty(name);
- if(value == null)
- return null;
- else
- return MessageFormat.format(value,args);
- }
- } //}}}
- //{{{ getBooleanProperty() method
- /**
- * Returns the value of a boolean property.
- * @param name The property
- */
- public static final boolean getBooleanProperty(String name)
- {
- return getBooleanProperty(name,false);
- } //}}}
- //{{{ getBooleanProperty() method
- /**
- * Returns the value of a boolean property.
- * @param name The property
- * @param def The default value
- */
- public static final boolean getBooleanProperty(String name, boolean def)
- {
- String value = getProperty(name);
- if(value == null)
- return def;
- else if(value.equals("true") || value.equals("yes")
- || value.equals("on"))
- return true;
- else if(value.equals("false") || value.equals("no")
- || value.equals("off"))
- return false;
- else
- return def;
- } //}}}
- //{{{ getIntegerProperty() method
- /**
- * Returns the value of an integer property.
- * @param name The property
- * @param def The default value
- * @since jEdit 4.0pre1
- */
- public static final int getIntegerProperty(String name, int def)
- {
- String value = getProperty(name);
- if(value == null)
- return def;
- else
- {
- try
- {
- return Integer.parseInt(value.trim());
- }
- catch(NumberFormatException nf)
- {
- return def;
- }
- }
- } //}}}
- //{{{ getDoubleProperty() method
- public static double getDoubleProperty(String name, double def)
- {
- String value = getProperty(name);
- if(value == null)
- return def;
- else
- {
- try
- {
- return Double.parseDouble(value.trim());
- }
- catch(NumberFormatException nf)
- {
- return def;
- }
- }
- }
- //}}}
- //{{{ getFontProperty() method
- /**
- * Returns the value of a font property. The family is stored
- * in the <code><i>name</i></code> property, the font size is stored
- * in the <code><i>name</i>size</code> property, and the font style is
- * stored in <code><i>name</i>style</code>. For example, if
- * <code><i>name</i></code> is <code>view.gutter.font</code>, the
- * properties will be named <code>view.gutter.font</code>,
- * <code>view.gutter.fontsize</code>, and
- * <code>view.gutter.fontstyle</code>.
- *
- * @param name The property
- * @since jEdit 4.0pre1
- */
- public static final Font getFontProperty(String name)
- {
- return getFontProperty(name,null);
- } //}}}
- //{{{ getFontProperty() method
- /**
- * Returns the value of a font property. The family is stored
- * in the <code><i>name</i></code> property, the font size is stored
- * in the <code><i>name</i>size</code> property, and the font style is
- * stored in <code><i>name</i>style</code>. For example, if
- * <code><i>name</i></code> is <code>view.gutter.font</code>, the
- * properties will be named <code>view.gutter.font</code>,
- * <code>view.gutter.fontsize</code>, and
- * <code>view.gutter.fontstyle</code>.
- *
- * @param name The property
- * @param def The default value
- * @since jEdit 4.0pre1
- */
- public static final Font getFontProperty(String name, Font def)
- {
- String family = getProperty(name);
- String sizeString = getProperty(name + "size");
- String styleString = getProperty(name + "style");
- if(family == null || sizeString == null || styleString == null)
- return def;
- else
- {
- int size, style;
- try
- {
- size = Integer.parseInt(sizeString);
- }
- catch(NumberFormatException nf)
- {
- return def;
- }
- try
- {
- style = Integer.parseInt(styleString);
- }
- catch(NumberFormatException nf)
- {
- return def;
- }
- return new Font(family,style,size);
- }
- } //}}}
- //{{{ getColorProperty() method
- /**
- * Returns the value of a color property.
- * @param name The property name
- * @since jEdit 4.0pre1
- */
- public static Color getColorProperty(String name)
- {
- return getColorProperty(name,Color.black);
- } //}}}
- //{{{ getColorProperty() method
- /**
- * Returns the value of a color property.
- * @param name The property name
- * @param def The default value
- * @since jEdit 4.0pre1
- */
- public static Color getColorProperty(String name, Color def)
- {
- String value = getProperty(name);
- if(value == null)
- return def;
- else
- return GUIUtilities.parseColor(value,def);
- } //}}}
- //{{{ setColorProperty() method
- /**
- * Sets the value of a color property.
- * @param name The property name
- * @param value The value
- * @since jEdit 4.0pre1
- */
- public static void setColorProperty(String name, Color value)
- {
- setProperty(name,GUIUtilities.getColorHexString(value));
- } //}}}
- //{{{ setProperty() method
- /**
- * Sets a property to a new value.
- * @param name The property
- * @param value The new value
- */
- public static final void setProperty(String name, String value)
- {
- propMgr.setProperty(name,value);
- } //}}}
- //{{{ setTemporaryProperty() method
- /**
- * Sets a property to a new value. Properties set using this
- * method are not saved to the user properties list.
- * @param name The property
- * @param value The new value
- * @since jEdit 2.3final
- */
- public static final void setTemporaryProperty(String name, String value)
- {
- propMgr.setTemporaryProperty(name,value);
- } //}}}
- //{{{ setBooleanProperty() method
- /**
- * Sets a boolean property.
- * @param name The property
- * @param value The value
- */
- public static final void setBooleanProperty(String name, boolean value)
- {
- setProperty(name,value ? "true" : "false");
- } //}}}
- //{{{ setIntegerProperty() method
- /**
- * Sets the value of an integer property.
- * @param name The property
- * @param value The value
- * @since jEdit 4.0pre1
- */
- public static final void setIntegerProperty(String name, int value)
- {
- setProperty(name,String.valueOf(value));
- } //}}}
- //{{{ setDoubleProperty() method
- public static final void setDoubleProperty(String name, double value)
- {
- setProperty(name,String.valueOf(value));
- }
- //}}}
- //{{{ setFontProperty() method
- /**
- * Sets the value of a font property. The family is stored
- * in the <code><i>name</i></code> property, the font size is stored
- * in the <code><i>name</i>size</code> property, and the font style is
- * stored in <code><i>name</i>style</code>. For example, if
- * <code><i>name</i></code> is <code>view.gutter.font</code>, the
- * properties will be named <code>view.gutter.font</code>,
- * <code>view.gutter.fontsize</code>, and
- * <code>view.gutter.fontstyle</code>.
- *
- * @param name The property
- * @param value The value
- * @since jEdit 4.0pre1
- */
- public static final void setFontProperty(String name, Font value)
- {
- setProperty(name,value.getFamily());
- setIntegerProperty(name + "size",value.getSize());
- setIntegerProperty(name + "style",value.getStyle());
- } //}}}
- //{{{ unsetProperty() method
- /**
- * Unsets (clears) a property.
- * @param name The property
- */
- public static final void unsetProperty(String name)
- {
- propMgr.unsetProperty(name);
- } //}}}
- //{{{ resetProperty() method
- /**
- * Resets a property to its default value.
- * @param name The property
- *
- * @since jEdit 2.5pre3
- */
- public static final void resetProperty(String name)
- {
- propMgr.resetProperty(name);
- } //}}}
- //{{{ propertiesChanged() method
- /**
- * Reloads various settings from the properties.
- */
- public static void propertiesChanged()
- {
- initKeyBindings();
- Autosave.setInterval(getIntegerProperty("autosave",30));
- saveCaret = getBooleanProperty("saveCaret");
- //theme = new JEditMetalTheme();
- //theme.propertiesChanged();
- //MetalLookAndFeel.setCurrentTheme(theme);
- UIDefaults defaults = UIManager.getDefaults();
- // give all text areas the same font
- Font font = getFontProperty("view.font");
- //defaults.put("TextField.font",font);
- defaults.put("TextArea.font",font);
- defaults.put("TextPane.font",font);
- // Enable/Disable tooltips
- ToolTipManager.sharedInstance().setEnabled(
- jEdit.getBooleanProperty("showTooltips"));
- initProxy();
- // we do this here instead of adding buffers to the bus.
- Buffer buffer = buffersFirst;
- while(buffer != null)
- {
- buffer.resetCachedProperties();
- buffer.propertiesChanged();
- buffer = buffer.next;
- }
- HistoryModel.propertiesChanged();
- KillRing.propertiesChanged();
- EditBus.send(new PropertiesChanged(null));
- } //}}}
- //}}}
- //{{{ Plugin management methods
- //{{{ getNotLoadedPluginJARs() method
- /**
- * Returns a list of plugin JARs that are not currently loaded
- * by examining the user and system plugin directories.
- * @since jEdit 3.2pre1
- */
- public static String[] getNotLoadedPluginJARs()
- {
- Vector returnValue = new Vector();
- if(jEditHome != null)
- {
- String systemPluginDir = MiscUtilities
- .constructPath(jEditHome,"jars");
- String[] list = new File(systemPluginDir).list();
- if(list != null)
- getNotLoadedPluginJARs(returnValue,systemPluginDir,list);
- }
- if(settingsDirectory != null)
- {
- String userPluginDir = MiscUtilities
- .constructPath(settingsDirectory,"jars");
- String[] list = new File(userPluginDir).list();
- if(list != null)
- {
- getNotLoadedPluginJARs(returnValue,
- userPluginDir,list);
- }
- }
- String[] _returnValue = new String[returnValue.size()];
- returnValue.copyInto(_returnValue);
- return _returnValue;
- } //}}}
- //{{{ getPlugin() method
- /**
- * Returns the plugin with the specified class name.
- */
- public static EditPlugin getPlugin(String name)
- {
- return getPlugin(name, false);
- } //}}}
- //{{{ getPlugin(String, boolean) method
- /**
- * Returns the plugin with the specified class name. If
- * <code>loadIfNecessary</code> is true, the plugin will be activated in
- * case it has not yet been started.
- * @since jEdit 4.2pre4
- */
- public static EditPlugin getPlugin(String name, boolean loadIfNecessary)
- {
- EditPlugin[] plugins = getPlugins();
- EditPlugin plugin = null;
- for(int i = 0; i < plugins.length; i++)
- {
- if(plugins[i].getClassName().equals(name))
- plugin = plugins[i];
- if(loadIfNecessary)
- {
- if(plugin instanceof EditPlugin.Deferred)
- {
- plugin.getPluginJAR().activatePlugin();
- plugin = plugin.getPluginJAR().getPlugin();
- break;
- }
- }
- }
- return plugin;
- } //}}}
- //{{{ getPlugins() method
- /**
- * Returns an array of installed plugins.
- */
- public static EditPlugin[] getPlugins()
- {
- Vector vector = new Vector();
- for(int i = 0; i < jars.size(); i++)
- {
- EditPlugin plugin = ((PluginJAR)jars.elementAt(i))
- .getPlugin();
- if(plugin != null)
- vector.add(plugin);
- }
- EditPlugin[] array = new EditPlugin[vector.size()];
- vector.copyInto(array);
- return array;
- } //}}}
- //{{{ getPluginJARs() method
- /**
- * Returns an array of installed plugins.
- * @since jEdit 4.2pre1
- */
- public static PluginJAR[] getPluginJARs()
- {
- PluginJAR[] array = new PluginJAR[jars.size()];
- jars.copyInto(array);
- return array;
- } //}}}
- //{{{ getPluginJAR() method
- /**
- * Returns the JAR with the specified path name.
- * @param path The path name
- * @since jEdit 4.2pre1
- */
- public static PluginJAR getPluginJAR(String path)
- {
- for(int i = 0; i < jars.size(); i++)
- {
- PluginJAR jar = (PluginJAR)jars.elementAt(i);
- if(jar.getPath().equals(path))
- return jar;
- }
- return null;
- } //}}}
- //{{{ addPluginJAR() method
- /**
- * Loads the plugin JAR with the specified path. Some notes about this
- * method:
- *
- * <ul>
- * <li>Calling this at a time other than jEdit startup can have
- * unpredictable results if the plugin has not been updated for the
- * jEdit 4.2 plugin API.
- * <li>You must make sure yourself the plugin is not already loaded.
- * <li>After loading, you just make sure all the plugin's dependencies
- * are satisified before activating the plugin, using the
- * {@link PluginJAR#checkDependencies()} method.
- * </ul>
- *
- * @param path The JAR file path
- * @since jEdit 4.2pre1
- */
- public static void addPluginJAR(String path)
- {
- // backwards compatibility...
- PluginJAR jar = new EditPlugin.JAR(new File(path));
- jars.addElement(jar);
- jar.init();
- EditBus.send(new PluginUpdate(jar,PluginUpdate.LOADED,false));
- if(!isMainThread())
- {
- EditBus.send(new DynamicMenuChanged("plugins"));
- initKeyBindings();
- }
- } //}}}
- //{{{ addPluginJARsFromDirectory() method
- /**
- * Loads all plugins in a directory.
- * @param directory The directory
- * @since jEdit 4.2pre1
- */
- private static void addPluginJARsFromDirectory(String directory)
- {
- Log.log(Log.NOTICE,jEdit.class,"Loading plugins from "
- + directory);
- File file = new File(directory);
- if(!(file.exists() && file.isDirectory()))
- return;
- String[] plugins = file.list();
- if(plugins == null)
- return;
- for(int i = 0; i < plugins.length; i++)
- {
- String plugin = plugins[i];
- if(!plugin.toLowerCase().endsWith(".jar"))
- continue;
- String path = MiscUtilities.constructPath(directory,plugin);
- // remove this when 4.1 plugin API is deprecated
- if(plugin.equals("EditBuddy.jar")
- || plugin.equals("PluginManager.jar")
- || plugin.equals("Firewall.jar")
- || plugin.equals("Tidy.jar")
- || plugin.equals("DragAndDrop.jar"))
- {
- pluginError(path,"plugin-error.obsolete",null);
- continue;
- }
- addPluginJAR(path);
- }
- } //}}}
- //{{{ removePluginJAR() method
- /**
- * Unloads the given plugin JAR with the specified path. Note that
- * calling this at a time other than jEdit shutdown can have
- * unpredictable results if the plugin has not been updated for the
- * jEdit 4.2 plugin API.
- *
- * @param jar The <code>PluginJAR</code> instance
- * @param exit Set to true if jEdit is exiting; enables some
- * shortcuts so the editor can close faster.
- * @since jEdit 4.2pre1
- */
- public static void removePluginJAR(PluginJAR jar, boolean exit)
- {
- if(exit)
- {
- jar.uninit(true);
- }
- else
- {
- jar.uninit(false);
- jars.removeElement(jar);
- initKeyBindings();
- }
- EditBus.send(new PluginUpdate(jar,PluginUpdate.UNLOADED,exit));
- if(!isMainThread() && !exit)
- EditBus.send(new DynamicMenuChanged("plugins"));
- } //}}}
- //}}}
- //{{{ Action methods
- //{{{ getActionContext() method
- /**
- * Returns the action context used to store editor actions.
- * @since jEdit 4.2pre1
- */
- public static ActionContext getActionContext()
- {
- return actionContext;
- } //}}}
- //{{{ addActionSet() method
- /**
- * Adds a new action set to jEdit's list. Plugins probably won't
- * need to call this method.
- * @since jEdit 4.0pre1
- */
- public static void addActionSet(ActionSet actionSet)
- {
- actionContext.addActionSet(actionSet);
- } //}}}
- //{{{ removeActionSet() method
- /**
- * Removes an action set from jEdit's list. Plugins probably won't
- * need to call this method.
- * @since jEdit 4.2pre1
- */
- public static void removeActionSet(ActionSet actionSet)
- {
- actionContext.removeActionSet(actionSet);
- } //}}}
- //{{{ getBuiltInActionSet() method
- /**
- * Returns the set of commands built into jEdit.
- * @since jEdit 4.2pre1
- */
- public static ActionSet getBuiltInActionSet()
- {
- return builtInActionSet;
- } //}}}
- //{{{ getActionSets() method
- /**
- * Returns all registered action sets.
- * @since jEdit 4.0pre1
- */
- public static ActionSet[] getActionSets()
- {
- return actionContext.getActionSets();
- } //}}}
- //{{{ getAction() method
- /**
- * Returns the specified action.
- * @param name The action name
- */
- public static EditAction getAction(String name)
- {
- return actionContext.getAction(name);
- } //}}}
- //{{{ getActionSetForAction() method
- /**
- * Returns the action set that contains the specified action.
- *
- * @param action The action
- * @since jEdit 4.2pre1
- */
- public static ActionSet getActionSetForAction(String action)
- {
- return actionContext.getActionSetForAction(action);
- } //}}}
- //{{{ getActionSetForAction() method
- /**
- * @deprecated Use the form that takes a String instead
- */
- public static ActionSet getActionSetForAction(EditAction action)
- {
- return actionContext.getActionSetForAction(action.getName());
- } //}}}
- //{{{ getActions() method
- /**
- * @deprecated Call getActionNames() instead
- */
- public static EditAction[] getActions()
- {
- String[] names = actionContext.getActionNames();
- EditAction[] actions = new EditAction[names.length];
- for(int i = 0; i < actions.length; i++)
- {
- actions[i] = actionContext.getAction(names[i]);
- if(actions[i] == null)
- Log.log(Log.ERROR,jEdit.class,"wtf: " + names[i]);
- }
- return actions;
- } //}}}
- //{{{ getActionNames() method
- /**
- * Returns all registered action names.
- */
- public static String[] getActionNames()
- {
- return actionContext.getActionNames();
- } //}}}
- //}}}
- //{{{ Edit mode methods
- //{{{ reloadModes() method
- /**
- * Reloads all edit modes.
- * @since jEdit 3.2pre2
- */
- public static void reloadModes()
- {
- /* Try to guess the eventual size to avoid unnecessary
- * copying */
- modes = new Vector(50);
- //{{{ Load the global catalog
- if(jEditHome == null)
- loadModeCatalog("/modes/catalog",true);
- else
- {
- loadModeCatalog(MiscUtilities.constructPath(jEditHome,
- "modes","catalog"),false);
- } //}}}
- //{{{ Load user catalog
- if(settingsDirectory != null)
- {
- File userModeDir = new File(MiscUtilities.constructPath(
- settingsDirectory,"modes"));
- if(!userModeDir.exists())
- userModeDir.mkdirs();
- File userCatalog = new File(MiscUtilities.constructPath(
- settingsDirectory,"modes","catalog"));
- if(!userCatalog.exists())
- {
- // create dummy catalog
- FileWriter out = null;
- try
- {
- out = new FileWriter(userCatalog);
- out.write(jEdit.getProperty("defaultCatalog"));
- out.close();
- }
- catch(IOException io)
- {
- Log.log(Log.ERROR,jEdit.class,io);
- }
- finally
- {
- try
- {
- if(out != null)
- out.close();
- }
- catch(IOException e)
- {
- }
- }
- }
- loadModeCatalog(userCatalog.getPath(),false);
- } //}}}
- Buffer buffer = buffersFirst;
- while(buffer != null)
- {
- // This reloads the token marker and sends a message
- // which causes edit panes to repaint their text areas
- buffer.setMode();
- buffer = buffer.next;
- }
- } //}}}
- //{{{ getMode() method
- /**
- * Returns the edit mode with the specified name.
- * @param name The edit mode
- */
- public static Mode getMode(String name)
- {
- for(int i = 0; i < modes.size(); i++)
- {
- Mode mode = (Mode)modes.elementAt(i);
- if(mode.getName().equals(name))
- return mode;
- }
- return null;
- } //}}}
- //{{{ getModes() method
- /**
- * Returns an array of installed edit modes.
- */
- public static Mode[] getModes()
- {
- Mode[] array = new Mode[modes.size()];
- modes.copyInto(array);
- return array;
- } //}}}
- //}}}
- //{{{ Buffer creation methods
- //{{{ openFiles() method
- /**
- * Opens the file names specified in the argument array. This
- * handles +line and +marker arguments just like the command
- * line parser.
- * @param parent The parent directory
- * @param args The file names to open
- * @since jEdit 3.2pre4
- */
- public static Buffer openFiles(View view, String parent, String[] args)
- {
- Buffer retVal = null;
- Buffer lastBuffer = null;
- for(int i = 0; i < args.length; i++)
- {
- String arg = args[i];
- if(arg == null)
- continue;
- else if(arg.startsWith("+line:") || arg.startsWith("+marker:"))
- {
- if(lastBuffer != null)
- gotoMarker(view,lastBuffer,arg);
- continue;
- }
- lastBuffer = openFile(null,parent,arg,false,null);
- if(retVal == null && lastBuffer != null)
- retVal = lastBuffer;
- }
- if(view != null && retVal != null)
- view.setBuffer(retVal);
- return retVal;
- } //}}}
- //{{{ openFile() method
- /**
- * Opens a file. Note that as of jEdit 2.5pre1, this may return
- * null if the buffer could not be opened.
- * @param view The view to open the file in
- * @param path The file path
- *
- * @since jEdit 2.4pre1
- */
- public static Buffer openFile(View view, String path)
- {
- return openFile(view,null,path,false,new Hashtable());
- } //}}}
- //{{{ openFile() method
- /**
- * @deprecated The openFile() forms with the readOnly parameter
- * should not be used. The readOnly prameter is no longer supported.
- */
- public static Buffer openFile(View view, String parent,
- String path, boolean readOnly, boolean newFile)
- {
- return openFile(view,parent,path,newFile,new Hashtable());
- } //}}}
- //{{{ openFile() method
- /**
- * @deprecated The openFile() forms with the readOnly parameter
- * should not be used. The readOnly prameter is no longer supported.
- */
- public static Buffer openFile(View view, String parent,
- String path, boolean readOnly, boolean newFile,
- Hashtable props)
- {
- return openFile(view,parent,path,newFile,props);
- } //}}}
- //{{{ openFile() method
- /**
- * Opens a file. This may return null if the buffer could not be
- * opened for some reason.
- * @param view The view to open the file in
- * @param parent The parent directory of the file
- * @param path The path name of the file
- * @param newFile True if the file should not be loaded from disk
- * be prompted if it should be reloaded
- * @param props Buffer-local properties to set in the buffer
- *
- * @since jEdit 3.2pre10
- */
- public static Buffer openFile(View view, String parent,
- String path, boolean newFile, Hashtable props)
- {
- PerspectiveManager.setPerspectiveDirty(true);
- if(view != null && parent == null)
- parent = view.getBuffer().getDirectory();
- if(MiscUtilities.isURL(path))
- {
- if(MiscUtilities.getProtocolOfURL(path).equals("file"))
- path = path.substring(5);
- }
- path = MiscUtilities.constructPath(parent,path);
- Buffer newBuffer;
- synchronized(bufferListLock)
- {
- Buffer buffer = getBuffer(path);
- if(buffer != null)
- {
- if(view != null)
- view.setBuffer(buffer);
- return buffer;
- }
- if(props == null)
- props = new Hashtable();
- BufferHistory.Entry entry = BufferHistory.getEntry(path);
- if(entry != null && saveCaret && props.get(Buffer.CARET) == null)
- {
- props.put(Buffer.CARET,new Integer(entry.caret));
- /* if(entry.selection != null)
- {
- // getSelection() converts from string to
- // Selection[]
- props.put(Buffer.SELECTION,entry.getSelection());
- } */
- }
- if(entry != null && props.get(Buffer.ENCODING) == null)
- {
- if(entry.encoding != null)
- props.put(Buffer.ENCODING,entry.encoding);
- }
- newBuffer = new Buffer(path,newFile,false,props);
- if(!newBuffer.load(view,false))
- return null;
- addBufferToList(newBuffer);
- }
- EditBus.send(new BufferUpdate(newBuffer,view,BufferUpdate.CREATED));
- if(view != null)
- view.setBuffer(newBuffer);
- return newBuffer;
- } //}}}
- //{{{ openTemporary() method
- /**
- * Opens a temporary buffer. A temporary buffer is like a normal
- * buffer, except that an event is not fired, the the buffer is
- * not added to the buffers list.
- *
- * @param view The view to open the file in
- * @param parent The parent directory of the file
- * @param path The path name of the file
- * @param newFile True if the file should not be loaded from disk
- *
- * @since jEdit 3.2pre10
- */
- public static Buffer openTemporary(View view, String parent,
- String path, boolean newFile)
- {
- if(view != null && parent == null)
- parent = view.getBuffer().getDirectory();
- if(MiscUtilities.isURL(path))
- {
- if(MiscUtilities.getProtocolOfURL(path).equals("file"))
- path = path.substring(5);
- }
- path = MiscUtilities.constructPath(parent,path);
- synchronized(bufferListLock)
- {
- Buffer buffer = getBuffer(path);
- if(buffer != null)
- return buffer;
- buffer = new Buffer(path,newFile,true,new Hashtable());
- if(!buffer.load(view,false))
- return null;
- else
- return buffer;
- }
- } //}}}
- //{{{ commitTemporary() method
- /**
- * Adds a temporary buffer to the buffer list. This must be done
- * before allowing the user to interact with the buffer in any
- * way.
- * @param buffer The buffer
- */
- public static void commitTemporary(Buffer buffer)
- {
- if(!buffer.isTemporary())
- return;
- PerspectiveManager.setPerspectiveDirty(true);
- addBufferToList(buffer);
- buffer.commitTemporary();
- // send full range of events to avoid breaking plugins
- EditBus.send(new BufferUpdate(buffer,null,BufferUpdate.CREATED));
- EditBus.send(new BufferUpdate(buffer,null,BufferUpdate.LOAD_STARTED));
- EditBus.send(new BufferUpdate(buffer,null,BufferUpdate.LOADED));
- } //}}}
- //{{{ newFile() method
- /**
- * Creates a new `untitled' file.
- * @param view The view to create the file in
- */
- public static Buffer newFile(View view)
- {
- String path;
- if(view != null && view.getBuffer() != null)
- {
- path = view.getBuffer().getDirectory();
- VFS vfs = VFSManager.getVFSForPath(path);
- // don't want 'New File' to create a read only buffer
- // if current file is on SQL VFS or something
- if((vfs.getCapabilities() & VFS.WRITE_CAP) == 0)
- path = System.getProperty("user.home");
- }
- else
- path = null;
- return newFile(view,path);
- } //}}}
- //{{{ newFile() method
- /**
- * Creates a new `untitled' file.
- * @param view The view to create the file in
- * @param dir The directory to create the file in
- * @since jEdit 3.1pre2
- */
- public static Buffer newFile(View view, String dir)
- {
- // If only one new file is open which is clean, just close
- // it, which will create an 'Untitled-1'
- if(dir != null
- && buffersFirst != null
- && buffersFirst == buffersLast
- && buffersFirst.isUntitled()
- && !buffersFirst.isDirty())
- {
- closeBuffer(view,buffersFirst);
- // return the newly created 'untitled-1'
- return buffersFirst;
- }
- // Find the highest Untitled-n file
- int untitledCount = 0;
- Buffer buffer = buffersFirst;
- while(buffer != null)
- {
- if(buffer.getName().startsWith("Untitled-"))
- {
- try
- {
- untitledCount = Math.max(untitledCount,
- Integer.parseInt(buffer.getName()
- .substring(9)));
- }
- catch(NumberFormatException nf)
- {
- }
- }
- buffer = buffer.next;
- }
- return openFile(view,dir,"Untitled-" + (untitledCount+1),true,null);
- } //}}}
- //}}}
- //{{{ Buffer management methods
- //{{{ closeBuffer() method
- /**
- * Closes a buffer. If there are unsaved changes, the user is
- * prompted if they should be saved first.
- * @param view The view
- * @param buffer The buffer
- * @return True if the buffer was really closed, false otherwise
- */
- public static boolean closeBuffer(View view, Buffer buffer)
- {
- // Wait for pending I/O requests
- if(buffer.isPerformingIO())
- {
- VFSManager.waitForRequests();
- if(VFSManager.errorOccurred())
- return false;
- }
- if(buffer.isDirty())
- {
- Object[] args = { buffer.getName() };
- int result = GUIUtilities.confirm(view,"notsaved",args,
- JOptionPane.YES_NO_CANCEL_OPTION,
- JOptionPane.WARNING_MESSAGE);
- if(result == JOptionPane.YES_OPTION)
- {
- if(!buffer.save(view,null,true))
- return false;
- VFSManager.waitForRequests();
- if(buffer.getBooleanProperty(BufferIORequest
- .ERROR_OCCURRED))
- {
- return false;
- }
- }
- else if(result != JOptionPane.NO_OPTION)
- return false;
- }
- _closeBuffer(view,buffer);
- return true;
- } //}}}
- //{{{ _closeBuffer() method
- /**
- * Closes the buffer, even if it has unsaved changes.
- * @param view The view
- * @param buffer The buffer
- *
- * @since jEdit 2.2pre1
- */
- public static void _closeBuffer(View view, Buffer buffer)
- {
- if(buffer.isClosed())
- {
- // can happen if the user presses C+w twice real
- // quick and the buffer has unsaved changes
- return;
- }
- PerspectiveManager.setPerspectiveDirty(true);
- if(!buffer.isNewFile())
- {
- view.getEditPane().saveCaretInfo();
- Integer _caret = (Integer)buffer.getProperty(Buffer.CARET);
- int caret = (_caret == null ? 0 : _caret.intValue());
- BufferHistory.setEntry(buffer.getPath(),caret,
- (Selection[])buffer.getProperty(Buffer.SELECTION),
- buffer.getStringProperty(Buffer.ENCODING));
- }
- String path = buffer.getSymlinkPath();
- if((VFSManager.getVFSForPath(path).getCapabilities()
- & VFS.CASE_INSENSITIVE_CAP) != 0)
- {
- path = path.toLowerCase();
- }
- bufferHash.remove(path);
- removeBufferFromList(buffer);
- buffer.close();
- DisplayManager.bufferClosed(buffer);
- EditBus.send(new BufferUpdate(buffer,view,BufferUpdate.CLOSED));
- // Create a new file when the last is closed
- if(buffersFirst == null && buffersLast == null)
- newFile(view);
- } //}}}
- //{{{ closeAllBuffers() method
- /**
- * Closes all open buffers.
- * @param view The view
- */
- public static boolean closeAllBuffers(View view)
- {
- return closeAllBuffers(view,false);
- } //}}}
- //{{{ closeAllBuffers() method
- /**
- * Closes all open buffers.
- * @param view The view
- * @param isExiting This must be false unless this method is
- * being called by the exit() method
- */
- public static boolean closeAllBuffers(View view, boolean isExiting)
- {
- boolean dirty = false;
- Buffer buffer = buffersFirst;
- while(buffer != null)
- {
- if(buffer.isDirty())
- {
- dirty = true;
- break;
- }
- buffer = buffer.next;
- }
- if(dirty)
- {
- boolean ok = new CloseDialog(view).isOK();
- if(!ok)
- return false;
- }
- // Wait for pending I/O requests
- VFSManager.waitForRequests();
- if(VFSManager.errorOccurred())
- return false;
- // close remaining buffers (the close dialog only deals with
- // dirty ones)
- buffer = buffersFirst;
- // zero it here so that BufferTabs doesn't have any problems
- buffersFirst = buffersLast = null;
- bufferHash.clear();
- bufferCount = 0;
- while(buffer != null)
- {
- if(!buffer.isNewFile())
- {
- Integer _caret = (Integer)buffer.getProperty(Buffer.CARET);
- int caret = (_caret == null ? 0 : _caret.intValue());
- BufferHistory.setEntry(buffer.getPath(),caret,
- (Selection[])buffer.getProperty(Buffer.SELECTION),
- buffer.getStringProperty(Buffer.ENCODING));
- }
- buffer.close();
- DisplayManager.bufferClosed(buffer);
- if(!isExiting)
- {
- EditBus.send(new BufferUpdate(buffer,view,
- BufferUpdate.CLOSED));
- }
- buffer = buffer.next;
- }
- if(!isExiting)
- newFile(view);
- PerspectiveManager.setPerspectiveDirty(true);
- return true;
- } //}}}
- //{{{ saveAllBuffers() method
- /**
- * Saves all open buffers.
- * @param view The view
- * @since jEdit 4.2pre1
- */
- public static void saveAllBuffers(View view)
- {
- saveAllBuffers(view,jEdit.getBooleanProperty("confirmSaveAll"));
- } //}}}
- //{{{ saveAllBuffers() method
- /**
- * Saves all open buffers.
- * @param view The view
- * @param confirm If true, a confirmation dialog will be shown first
- * @since jEdit 2.7pre2
- */
- public static void saveAllBuffers(View view, boolean confirm)
- {
- if(confirm)
- {
- int result = GUIUtilities.confirm(view,"saveall",null,
- JOptionPane.YES_NO_OPTION,
- JOptionPane.QUESTION_MESSAGE);
- if(result != JOptionPane.YES_OPTION)
- return;
- }
- Buffer current = view.getBuffer();
- Buffer buffer = buffersFirst;
- while(buffer != null)
- {
- if(buffer.isDirty())
- {
- if(buffer.isNewFile())
- view.setBuffer(buffer);
- buffer.save(view,null,true);
- }
- buffer = buffer.next;
- }
- view.setBuffer(current);
- } //}}}
- //{{{ reloadAllBuffers() method
- /**
- * Reloads all open buffers.
- * @param view The view
- * @param confirm If true, a confirmation dialog will be shown first
- * if any buffers are dirty
- * @since jEdit 2.7pre2
- */
- public static void reloadAllBuffers(final View view, boolean confirm)
- {
- boolean hasDirty = false;
- Buffer[] buffers = jEdit.getBuffers();
- for(int i = 0; i < buffers.length && hasDirty == false; i++)
- hasDirty = buffers[i].isDirty();
- if(confirm && hasDirty)
- {
- int result = GUIUtilities.confirm(view,"reload-all",null,
- JOptionPane.YES_NO_OPTION,
- JOptionPane.QUESTION_MESSAGE);
- if(result != JOptionPane.YES_OPTION)
- return;
- }
- // save caret info. Buffer.load() will load it.
- View _view = viewsFirst;
- while(_view != null)
- {
- EditPane[] panes = _view.getEditPanes();
- for(int i = 0; i < panes.length; i++)
- {
- panes[i].saveCaretInfo();
- }
- _view = _view.next;
- }
- for(int i = 0; i < buffers.length; i++)
- {
- Buffer buffer = buffers[i];
- buffer.load(view,true);
- }
- } //}}}
- //{{{ _getBuffer() method
- /**
- * Returns the buffer with the specified path name. The path name
- * must be an absolute, canonical, path.
- *
- * @param path The path name
- * @see MiscUtilities#constructPath(String,String)
- * @see MiscUtilities#resolveSymlinks(String)
- * @see #getBuffer(String)
- *
- * @since jEdit 4.2pre7
- */
- public static Buffer _getBuffer(String path)
- {
- // paths on case-insensitive filesystems are stored as lower
- // case in the hash.
- if((VFSManager.getVFSForPath(path).getCapabilities()
- & VFS.CASE_INSENSITIVE_CAP) != 0)
- {
- path = path.toLowerCase();
- }
- synchronized(bufferListLock)
- {
- return (Buffer)bufferHash.get(path);
- }
- } //}}}
- //{{{ getBuffer() method
- /**
- * Returns the buffer with the specified path name. The path name
- * must be an absolute path. This method automatically resolves
- * symbolic links. If performance is critical, cache the canonical
- * path and call {@link #_getBuffer(String)} instead.
- *
- * @param path The path name
- * @see MiscUtilities#constructPath(String,String)
- * @see MiscUtilities#resolveSymlinks(String)
- */
- public static Buffer getBuffer(String path)
- {
- if(MiscUtilities.isURL(path))
- return _getBuffer(path);
- else
- return _getBuffer(MiscUtilities.resolveSymlinks(path));
- } //}}}
- //{{{ getBuffers() method
- /**
- * Returns an array of open buffers.
- */
- public static Buffer[] getBuffers()
- {
- synchronized(bufferListLock)
- {
- Buffer[] buffers = new Buffer[bufferCount];
- Buffer buffer = buffersFirst;
- for(int i = 0; i < bufferCount; i++)
- {
- buffers[i] = buffer;
- buffer = buffer.next;
- }
- return buffers;
- }
- } //}}}
- //{{{ getBufferCount() method
- /**
- * Returns the number of open buffers.
- */
- public static int getBufferCount()
- {
- return bufferCount;
- } //}}}
- //{{{ getFirstBuffer() method
- /**
- * Returns the first buffer.
- */
- public static Buffer getFirstBuffer()
- {
- return buffersFirst;
- } //}}}
- //{{{ getLastBuffer() method
- /**
- * Returns the last buffer.
- */
- public static Buffer getLastBuffer()
- {
- return buffersLast;
- } //}}}
- //{{{ checkBufferStatus() method
- /**
- * Checks each buffer's status on disk and shows the dialog box
- * informing the user that buffers changed on disk, if necessary.
- * @param view The view
- * @since jEdit 4.2pre1
- */
- public static void checkBufferStatus(View view)
- {
- // still need to call the status check even if the option is
- // off, so that the write protection is updated if it changes
- // on disk
- boolean showDialogSetting = getBooleanProperty(
- "autoReloadDialog");
- // auto reload changed buffers?
- boolean autoReloadSetting = getBooleanProperty(
- "autoReload");
- // the problem with this is that if we have two edit panes
- // looking at the same buffer and the file is reloaded both
- // will jump to the same location
- View _view = viewsFirst;
- while(_view != null)
- {
- EditPane[] editPanes = _view.getEditPanes();
- for(int i = 0; i < editPanes.length; i++)
- {
- editPanes[i].saveCaretInfo();
- }
- _view = _view.next;
- }
- Buffer buffer = buffersFirst;
- int[] states = new int[bufferCount];
- int i = 0;
- boolean show = false;
- while(buffer != null)
- {
- states[i] = buffer.checkFileStatus(view);
- switch(states[i])
- {
- case Buffer.FILE_CHANGED:
- if(autoReloadSetting
- && showDialogSetting
- && !buffer.isDirty())
- {
- buffer.load(view,true);
- }
- /* fall through */
- case Buffer.FILE_DELETED:
- show = true;
- break;
- }
- buffer = buffer.next;
- i++;
- }
- if(show && showDialogSetting)
- new FilesChangedDialog(view,states,autoReloadSetting);
- } //}}}
- //}}}
- //{{{ View methods
- //{{{ getInputHandler() method
- /**
- * Returns the current input handler (key binding to action mapping)
- * @see org.gjt.sp.jedit.gui.InputHandler
- */
- public static InputHandler getInputHandler()
- {
- return inputHandler;
- } //}}}
- /* public static void newViewTest()
- {
- long time = System.currentTimeMillis();
- for(int i = 0; i < 30; i++)
- {
- Buffer b = newFile(null);
- b.insert(0,"x");
- new View(b,null,false);
- }
- System.err.println(System.currentTimeMillis() - time);
- } */
- //{{{ newView() method
- /**
- * Creates a new view.
- * @param view An existing view
- * @since jEdit 3.2pre2
- */
- public static View newView(View view)
- {
- return newView(view,null,false);
- } //}}}
- //{{{ newView() method
- /**
- * Creates a new view of a buffer.
- * @param view An existing view
- * @param buffer The buffer
- */
- public static View newView(View view, Buffer buffer)
- {
- return newView(view,buffer,false);
- } //}}}
- //{{{ newView() method
- /**
- * Creates a new view of a buffer.
- * @param view An existing view
- * @param buffer The buffer
- * @param plainView If true, the view will not have dockable windows or
- * tool bars.
- *
- * @since 4.1pre2
- */
- public static View newView(View view, Buffer buffer, boolean plainView)
- {
- View.ViewConfig config;
- if(view != null && (plainView == view.isPlainView()))
- config = view.getViewConfig();
- else
- config = new View.ViewConfig(plainView);
- return newView(view,buffer,config);
- } //}}}
- //{{{ newView() method
- /**
- * Creates a new view.
- * @param view An existing view
- * @param buffer A buffer to display, or null
- * @param config Encapsulates the view geometry, split configuration
- * and if the view is a plain view
- * @since jEdit 4.2pre1
- */
- public static View newView(View view, Buffer buffer, View.ViewConfig config)
- {
- PerspectiveManager.setPerspectiveDirty(true);
- try
- {
- if(view != null)
- {
- view.showWaitCursor();
- view.getEditPane().saveCaretInfo();
- }
- View newView = new View(buffer,config);
- addViewToList(newView);
- if(!config.plainView)
- {
- DockableWindowManager wm = newView.getDockableWindowManager();
- if(config.top != null
- && config.top.length() != 0)
- wm.showDockableWindow(config.top);
- if(config.left != null
- && config.left.length() != 0)
- wm.showDockableWindow(config.left);
- if(config.bottom != null
- && config.bottom.length() != 0)
- wm.showDockableWindow(config.bottom);
- if(config.right != null
- && config.right.length() != 0)
- wm.showDockableWindow(config.right);
- }
- newView.pack();
- if(config.width != 0 && config.height != 0)
- {
- Rectangle desired = new Rectangle(
- config.x,config.y,config.width,
- config.height);
- if(OperatingSystem.isX11() && Debug.GEOMETRY_WORKAROUND)
- {
- new GUIUtilities.UnixWorkaround(newView,
- "view",desired,config.extState);
- }
- else
- {
- newView.setBounds(desired);
- GUIUtilities.setExtendedState(newView,
- config.extState);
- }
- }
- else
- GUIUtilities.centerOnScreen(newView);
- EditBus.send(new ViewUpdate(newView,ViewUpdate.CREATED));
- newView.show();
- // show tip of the day
- if(newView == viewsFirst)
- {
- newView.getTextArea().requestFocus();
- // Don't show the welcome message if jEdit was started
- // with the -nosettings switch
- if(settingsDirectory != null && getBooleanProperty("firstTime"))
- new HelpViewer();
- else if(jEdit.getBooleanProperty("tip.show"))
- new TipOfTheDay(newView);
- setBooleanProperty("firstTime",false);
- }
- else
- GUIUtilities.requestFocus(newView,newView.getTextArea());
- return newView;
- }
- finally
- {
- if(view != null)
- view.hideWaitCursor();
- }
- } //}}}
- //{{{ closeView() method
- /**
- * Closes a view.
- *
- * jEdit will exit if this was the last open view.
- */
- public static void closeView(View view)
- {
- closeView(view,true);
- } //}}}
- //{{{ getViews() method
- /**
- * Returns an array of all open views.
- */
- public static View[] getViews()
- {
- View[] views = new View[viewCount];
- View view = viewsFirst;
- for(int i = 0; i < viewCount; i++)
- {
- views[i] = view;
- view = view.next;
- }
- return views;
- } //}}}
- //{{{ getViewCount() method
- /**
- * Returns the number of open views.
- */
- public static int getViewCount()
- {
- return viewCount;
- } //}}}
- //{{{ getFirstView() method
- /**
- * Returns the first view.
- */
- public static View getFirstView()
- {
- return viewsFirst;
- } //}}}
- //{{{ getLastView() method
- /**
- * Returns the last view.
- */
- public static View getLastView()
- {
- return viewsLast;
- } //}}}
- //{{{ getActiveView() method
- /**
- * Returns the currently focused view.
- * @since jEdit 4.1pre1
- */
- public static View getActiveView()
- {
- if(activeView == null)
- {
- // eg user just closed a view and didn't focus another
- return viewsFirst;
- }
- else
- return activeView;
- } //}}}
- //}}}
- //{{{ Miscellaneous methods
- //{{{ isMainThread() method
- /**
- * Returns true if the currently running thread is the main thread.
- * @since jEdit 4.2pre1
- */
- public static boolean isMainThread()
- {
- return (Thread.currentThread() == mainThread);
- } //}}}
- //{{{ isBackgroundMode() method
- /**
- * Returns true if jEdit was started with the <code>-background</code>
- * command-line switch.
- * @since jEdit 4.0pre4
- */
- public static boolean isBackgroundModeEnabled()
- {
- return background;
- } //}}}
- //{{{ showMemoryStatusDialog() method
- /**
- * Performs garbage collection and displays a dialog box showing
- * memory status.
- * @param view The view
- * @since jEdit 4.0pre1
- */
- public static void showMemoryDialog(View view)
- {
- Runtime rt = Runtime.getRuntime();
- int before = (int) (rt.freeMemory() / 1024);
- System.gc();
- int after = (int) (rt.freeMemory() / 1024);
- int total = (int) (rt.totalMemory() / 1024);
- JProgressBar progress = new JProgressBar(0,total);
- progress.setValue(total - after);
- progress.setStringPainted(true);
- progress.setString(jEdit.getProperty("memory-status.use",
- new Object[] { new Integer(total - after),
- new Integer(total) }));
- Object[] message = new Object[4];
- message[0] = getProperty("memory-status.gc",
- new Object[] { new Integer(after - before) });
- message[1] = Box.createVerticalStrut(12);
- message[2] = progress;
- message[3] = Box.createVerticalStrut(6);
- JOptionPane.showMessageDialog(view,message,
- jEdit.getProperty("memory-status.title"),
- JOptionPane.INFORMATION_MESSAGE);
- } //}}}
- //{{{ getJEditHome() method
- /**
- * Returns the jEdit install directory.
- */
- public static String getJEditHome()
- {
- return jEditHome;
- } //}}}
- //{{{ getSettingsDirectory() method
- /**
- * Returns the path of the directory where user-specific settings
- * are stored. This will be <code>null</code> if jEdit was
- * started with the <code>-nosettings</code> command-line switch; do not
- * blindly use this method without checking for a <code>null</code>
- * return value first.
- */
- public static String getSettingsDirectory()
- {
- return settingsDirectory;
- } //}}}
- //{{{ getJARCacheDirectory() method
- /**
- * Returns the directory where plugin cache files are stored.
- * @since jEdit 4.2pre1
- */
- public static String getJARCacheDirectory()
- {
- return jarCacheDirectory;
- } //}}}
- //{{{ backupSettingsFile() method
- /**
- * Backs up the specified file in the settings directory.
- * You should call this on any settings files your plugin
- * writes.
- * @param file The file
- * @since jEdit 4.0pre1
- */
- public static void backupSettingsFile(File file)
- {
- if(settingsDirectory == null)
- return;
- String backupDir = MiscUtilities.constructPath(
- settingsDirectory,"settings-backup");
- File dir = new File(backupDir);
- if(!dir.exists())
- dir.mkdirs();
- // ... sweet. saveBackup() will create backupDir if it
- // doesn't exist.
- MiscUtilities.saveBackup(file,5,null,"~",backupDir);
- } //}}}
- //{{{ saveSettings() method
- /**
- * Saves all user preferences to disk.
- */
- public static void saveSettings()
- {
- if(settingsDirectory == null)
- return;
- Abbrevs.save();
- FavoritesVFS.saveFavorites();
- HistoryModel.saveHistory();
- Registers.saveRegisters();
- SearchAndReplace.save();
- BufferHistory.save();
- KillRing.save();
- File file1 = new File(MiscUtilities.constructPath(
- settingsDirectory,"#properties#save#"));
- File file2 = new File(MiscUtilities.constructPath(
- settingsDirectory,"properties"));
- if(file2.exists() && file2.lastModified() != propsModTime)
- {
- Log.log(Log.WARNING,jEdit.class,file2 + " changed"
- + " on disk; will not save user properties");
- }
- else
- {
- backupSettingsFile(file2);
- try
- {
- OutputStream out = new FileOutputStream(file1);
- propMgr.saveUserProps(out);
- file2.delete();
- file1.renameTo(file2);
- }
- catch(IOException io)
- {
- Log.log(Log.ERROR,jEdit.class,io);
- }
- propsModTime = file2.lastModified();
- }
- } //}}}
- //{{{ exit() method
- /**
- * Exits cleanly from jEdit, prompting the user if any unsaved files
- * should be saved first.
- * @param view The view from which this exit was called
- * @param reallyExit If background mode is enabled and this parameter
- * is true, then jEdit will close all open views instead of exiting
- * entirely.
- */
- public static void exit(View view, boolean reallyExit)
- {
- // Close dialog, view.close() call need a view...
- if(view == null)
- view = activeView;
- // Wait for pending I/O requests
- VFSManager.waitForRequests();
- // Send EditorExitRequested
- EditBus.send(new EditorExitRequested(view));
- // Even if reallyExit is false, we still exit properly
- // if background mode is off
- reallyExit |= !background;
- PerspectiveManager.savePerspective(false);
- // Close all buffers
- if(!closeAllBuffers(view,reallyExit))
- return;
- // If we are running in background mode and
- // reallyExit was not specified, then return here.
- if(!reallyExit)
- {
- // in this case, we can't directly call
- // view.close(); we have to call closeView()
- // for all open views
- view = viewsFirst;
- while(view != null)
- {
- closeView(view,false);
- view = view.next;
- }
- // Save settings in case user kills the backgrounded
- // jEdit process
- saveSettings();
- }
- else
- {
- // Save view properties here
- if(view != null)
- view.close();
- // Stop autosave timer
- Autosave.stop();
- // Stop server
- if(server != null)
- server.stopServer();
- // Stop all plugins
- PluginJAR[] plugins = getPluginJARs();
- for(int i = 0; i < plugins.length; i++)
- {
- removePluginJAR(plugins[i],true);
- }
- // Send EditorExiting
- EditBus.send(new EditorExiting(null));
- // Save settings
- saveSettings();
- // Close activity log stream
- Log.closeStream();
- // Byebye...
- System.exit(0);
- }
- } //}}}
- //{{{ getEditServer() method
- /**
- * Returns the edit server instance. You can use this to find out the
- * port number jEdit is listening on.
- * @since jEdit 4.2pre10
- */
- public static EditServer getEditServer()
- {
- return server;
- } //}}}
- //}}}
- //{{{ Package-private members
- //{{{ updatePosition() method
- /**
- * If buffer sorting is enabled, this repositions the buffer.
- */
- static void updatePosition(String oldPath, Buffer buffer)
- {
- if((VFSManager.getVFSForPath(oldPath).getCapabilities()
- & VFS.CASE_INSENSITIVE_CAP) != 0)
- {
- oldPath = oldPath.toLowerCase();
- }
- bufferHash.remove(oldPath);
- String path = buffer.getSymlinkPath();
- if((VFSManager.getVFSForPath(path).getCapabilities()
- & VFS.CASE_INSENSITIVE_CAP) != 0)
- {
- path = path.toLowerCase();
- }
- bufferHash.put(path,buffer);
- if(sortBuffers)
- {
- removeBufferFromList(buffer);
- addBufferToList(buffer);
- }
- } //}}}
- //{{{ addMode() method
- /**
- * Do not call this method. It is only public so that classes
- * in the org.gjt.sp.jedit.syntax package can access it.
- * @param mode The edit mode
- */
- public static void addMode(Mode mode)
- {
- //Log.log(Log.DEBUG,jEdit.class,"Adding edit mode "
- // + mode.getName());
- modes.addElement(mode);
- } //}}}
- //{{{ loadMode() method
- /**
- * Loads an XML-defined edit mode from the specified reader.
- * @param mode The edit mode
- */
- /* package-private */ static void loadMode(Mode mode)
- {
- final String fileName = (String)mode.getProperty("file");
- Log.log(Log.NOTICE,jEdit.class,"Loading edit mode " + fileName);
- final XmlParser parser = new XmlParser();
- XModeHandler xmh = new XModeHandler(mode.getName())
- {
- public void error(String what, Object subst)
- {
- int line = parser.getLineNumber();
- int column = parser.getColumnNumber();
- String msg;
- if(subst == null)
- msg = jEdit.getProperty("xmode-error." + what);
- else
- {
- msg = jEdit.getProperty("xmode-error." + what,
- new String[] { subst.toString() });
- if(subst instanceof Throwable)
- Log.log(Log.ERROR,this,subst);
- }
- Object[] args = { fileName, new Integer(line),
- new Integer(column), msg };
- GUIUtilities.error(null,"xmode-error",args);
- }
- public TokenMarker getTokenMarker(String modeName)
- {
- Mode mode = getMode(modeName);
- if(mode == null)
- return null;
- else
- return mode.getTokenMarker();
- }
- };
- mode.setTokenMarker(xmh.getTokenMarker());
- Reader grammar = null;
- parser.setHandler(xmh);
- try
- {
- grammar = new BufferedReader(new FileReader(fileName));
- parser.parse(null, null, grammar);
- mode.setProperties(xmh.getModeProperties());
- }
- catch (Throwable e)
- {
- Log.log(Log.ERROR, jEdit.class, e);
- if (e instanceof XmlException)
- {
- XmlException xe = (XmlException) e;
- int line = xe.getLine();
- String message = xe.getMessage();
- Object[] args = { fileName, new Integer(line), null,
- message };
- GUIUtilities.error(null,"xmode-error",args);
- }
- }
- finally
- {
- try
- {
- if(grammar != null)
- grammar.close();
- }
- catch(IOException io)
- {
- Log.log(Log.ERROR,jEdit.class,io);
- }
- }
- } //}}}
- //{{{ addPluginProps() method
- static void addPluginProps(Properties map)
- {
- propMgr.addPluginProps(map);
- } //}}}
- //{{{ removePluginProps() method
- static void removePluginProps(Properties map)
- {
- propMgr.removePluginProps(map);
- } //}}}
- //{{{ pluginError() method
- static void pluginError(String path, String messageProp,
- Object[] args)
- {
- synchronized(pluginErrorLock)
- {
- if(pluginErrors == null)
- pluginErrors = new Vector();
- ErrorListDialog.ErrorEntry newEntry =
- new ErrorListDialog.ErrorEntry(
- path,messageProp,args);
- for(int i = 0; i < pluginErrors.size(); i++)
- {
- if(pluginErrors.get(i).equals(newEntry))
- return;
- }
- pluginErrors.addElement(newEntry);
- if(startupDone)
- {
- SwingUtilities.invokeLater(new Runnable()
- {
- public void run()
- {
- showPluginErrorDialog();
- }
- });
- }
- }
- } //}}}
- //{{{ setActiveView() method
- static void setActiveView(View view)
- {
- jEdit.activeView = view;
- } //}}}
- //}}}
- //{{{ Private members
- //{{{ Static variables
- private static String jEditHome;
- private static String settingsDirectory;
- private static String jarCacheDirectory;
- private static long propsModTime;
- private static PropertyManager propMgr;
- private static EditServer server;
- private static boolean background;
- private static ActionContext actionContext;
- private static ActionSet builtInActionSet;
- private static Vector pluginErrors;
- private static Object pluginErrorLock = new Object();
- private static Vector jars;
- private static Vector modes;
- private stat