processing/app/src/processing/app/Base.java at master · ishit/processing · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This program is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public License

version 2, as published by the Free Software Foundation.

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 processing.app;

import java.awt.EventQueue;

import java.awt.FileDialog;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.*;

import java.lang.reflect.InvocationTargetException;

import java.text.SimpleDateFormat;

import java.util.*;

import javax.swing.JFileChooser;

import javax.swing.JMenu;

import javax.swing.JMenuItem;

import javax.swing.JOptionPane;

import javax.swing.JPopupMenu;

import javax.swing.tree.DefaultMutableTreeNode;

import processing.app.contrib.*;

import processing.app.tools.Tool;

import processing.app.ui.*;

import processing.core.*;

import processing.data.StringList;

/**

* The base class for the main processing application.

* Primary role of this class is for platform identification and

* general interaction with the system (launching URLs, loading

* files and images, etc) that comes from that.

public class Base {

// Added accessors for 0218 because the UpdateCheck class was not properly

// updating the values, due to javac inlining the static final values.

static private final int REVISION = 249;

/** This might be replaced by main() if there's a lib/version.txt file. */

static private String VERSION_NAME = "0249"; //$NON-NLS-1$

/** Set true if this a proper release rather than a numbered revision. */

/** True if heavy debugging error/log messages are enabled */

static public boolean DEBUG = false;

// static public boolean DEBUG = true;

static private boolean commandLine;

// A single instance of the preferences window

PreferencesFrame preferencesFrame;

// A single instance of the library manager window

// ContributionManagerDialog contributionManagerFrame;

// Location for untitled items

static File untitledFolder;

/** List of currently active editors. */

protected List<Editor> editors =

Collections.synchronizedList(new ArrayList<Editor>());

protected Editor activeEditor;

/** A lone file menu to be used when all sketch windows are closed. */

static public JMenu defaultFileMenu;

/**

* Starts with the last mode used with the environment,

* or the default mode if not used.

private Mode nextMode;

/** The built-in modes. coreModes[0] will be considered the 'default'. */

private Mode[] coreModes;

protected List<ModeContribution> modeContribs;

protected List<ExamplesContribution> exampleContribs;

private JMenu sketchbookMenu;

// private Recent recent;

// Used by handleOpen(), this saves the chooser to remember the directory.

// Doesn't appear to be necessary with the AWT native file dialog.

// https://github.com/processing/processing/pull/2366

private JFileChooser openChooser;

static protected File sketchbookFolder;

// protected File toolsFolder;

static public void main(final String[] args) {

EventQueue.invokeLater(new Runnable() {

public void run() {

try {

createAndShowGUI(args);

} catch (Throwable t) {

Messages.showTrace("It was not meant to be",

"A serious problem happened during startup. Please report:\n" +

"http://github.com/processing/processing/issues/new", t, true);

}

});

}

static private void createAndShowGUI(String[] args) {

try {

File versionFile = Platform.getContentFile("lib/version.txt");

if (versionFile.exists()) {

String version = PApplet.loadStrings(versionFile)[0];

if (!version.equals(VERSION_NAME)) {

VERSION_NAME = version;

// RELEASE = true;

}

} catch (Exception e) {

e.printStackTrace();

}

Platform.init();

// Use native popups so they don't look so crappy on OS X

JPopupMenu.setDefaultLightWeightPopupEnabled(false);

// Don't put anything above this line that might make GUI,

// because the platform has to be inited properly first.

// Make sure a full JDK is installed

//initRequirements();

// Load the languages

Language.init();

// run static initialization that grabs all the prefs

Preferences.init();

if (!SingleInstance.alreadyRunning(args)) {

// Set the look and feel before opening the window

try {

Platform.setLookAndFeel();

} catch (Exception e) {

Messages.loge("Could not set the Look & Feel", e); //$NON-NLS-1$

}

boolean sketchbookPrompt = false;

if (Preferences.getBoolean("welcome.show")) {

if (!Preferences.getBoolean("welcome.seen")) {

// Check if there's a 2.0 sketchbook present

String oldPath = Preferences.getOldSketchbookPath();

if (oldPath != null) {

String newPath = Preferences.getSketchbookPath();

// If newPath is null, this is the first run of any 3.x version

if (newPath == null) {

sketchbookPrompt = true;

} else if (oldPath.equals(newPath)) {

// If both exist and are identical, then the user has been using

// alpha releases of 3.x and needs to be warned about the larger

// changes in this release.

sketchbookPrompt = true;

}

// Get the sketchbook path, and make sure it's set properly

locateSketchbookFolder();

// Create a location for untitled sketches

try {

untitledFolder = Util.createTempFolder("untitled", "sketches", null);

untitledFolder.deleteOnExit();

} catch (IOException e) {

Messages.showError("Trouble without a name",

"Could not create a place to store untitled sketches.\n" +

"That's gonna prevent us from continuing.", e);

}

Messages.log("about to create base..."); //$NON-NLS-1$

try {

final Base base = new Base(args);

// Prevent more than one copy of the PDE from running.

SingleInstance.startServer(base);

// Needs to be shown after the first editor window opens, so that it

// shows up on top, and doesn't prevent an editor window from opening.

if (Preferences.getBoolean("welcome.show")) {

final boolean prompt = sketchbookPrompt;

EventQueue.invokeLater(new Runnable() {

public void run() {

try {

new Welcome(base, prompt);

} catch (IOException e) {

Messages.showTrace("Unwelcoming",

"Please report this error to\n" +

"https://github.com/processing/processing/issues", e, false);

}

});

}

} catch (Throwable t) {

// Catch-all to pick up badness during startup.

if (t.getCause() != null) {

// Usually this is the more important piece of information. We'll

// show this one so that it's not truncated in the error window.

t = t.getCause();

}

Messages.showTrace("We're off on the wrong foot",

"An error occurred during startup.", t, true);

}

Messages.log("done creating base..."); //$NON-NLS-1$

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

/**

* @return the current revision number, safe to be used for update checks

static public int getRevision() {

return REVISION;

}

/**

* @return something like 2.2.1 or 3.0b4 (or 0213 if it's not a release)

static public String getVersionName() {

return VERSION_NAME;

}

public static void setCommandLine() {

commandLine = true;

}

static public boolean isCommandLine() {

return commandLine;

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

public Base(String[] args) throws Exception {

ContributionManager.init(this);

buildCoreModes();

rebuildContribModes();

rebuildContribExamples();

// Needs to happen after the sketchbook folder has been located.

// Also relies on the modes to be loaded so it knows what can be

// marked as an example.

// recent = new Recent(this);

Recent.init(this);

String lastModeIdentifier = Preferences.get("mode.last"); //$NON-NLS-1$

if (lastModeIdentifier == null) {

nextMode = getDefaultMode();

Messages.log("Nothing set for last.sketch.mode, using default."); //$NON-NLS-1$

} else {

for (Mode m : getModeList()) {

if (m.getIdentifier().equals(lastModeIdentifier)) {

Messages.logf("Setting next mode to %s.", lastModeIdentifier); //$NON-NLS-1$

nextMode = m;

}

if (nextMode == null) {

nextMode = getDefaultMode();

Messages.logf("Could not find mode %s, using default.", lastModeIdentifier); //$NON-NLS-1$

}

//contributionManagerFrame = new ContributionManagerDialog();

// Make sure ThinkDifferent has library examples too

nextMode.rebuildLibraryList();

// Put this after loading the examples, so that building the default file

// menu works on Mac OS X (since it needs examplesFolder to be set).

Platform.initBase(this);

// toolsFolder = getContentFile("tools");

// // Check if there were previously opened sketches to be restored

// boolean opened = restoreSketches();

boolean opened = false;

// Check if any files were passed in on the command line

for (int i = 0; i < args.length; i++) {

String path = args[i];

// Fix a problem with systems that use a non-ASCII languages. Paths are

// being passed in with 8.3 syntax, which makes the sketch loader code

// unhappy, since the sketch folder naming doesn't match up correctly.

// http://dev.processing.org/bugs/show_bug.cgi?id=1089

if (Platform.isWindows()) {

try {

File file = new File(args[i]);

path = file.getCanonicalPath();

} catch (IOException e) {

e.printStackTrace();

}

if (handleOpen(path) != null) {

opened = true;

}

// Create a new empty window (will be replaced with any files to be opened)

if (!opened) {

// System.out.println("opening a new window");

handleNew();

// } else {

// System.out.println("something else was opened");

}

// check for updates

new UpdateCheck(this);

ContributionListing cl = ContributionListing.getInstance();

cl.downloadAvailableList(this, new ContribProgressMonitor() { });

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

void buildCoreModes() {

Mode javaMode =

ModeContribution.load(this, Platform.getContentFile("modes/java"),

getDefaultModeIdentifier()).getMode();

// PDE X calls getModeList() while it's loading, so coreModes must be set

coreModes = new Mode[] { javaMode };

Mode pdexMode =

ModeContribution.load(this, getContentFile("modes/ExperimentalMode"), //$NON-NLS-1$

"processing.mode.experimental.ExperimentalMode").getMode(); //$NON-NLS-1$

// Safe to remove the old Java mode here?

//coreModes = new Mode[] { pdexMode };

coreModes = new Mode[] { pdexMode, javaMode };

}

/**

* Instantiates and adds new contributed modes to the contribModes list.

* Checks for duplicates so the same mode isn't instantiates twice. Does not

* remove modes because modes can't be removed once they are instantiated.

void rebuildContribModes() {

if (modeContribs == null) {

modeContribs = new ArrayList<ModeContribution>();

}

File modesFolder = getSketchbookModesFolder();

List<ModeContribution> contribModes = getModeContribs();

Map<File, ModeContribution> known = new HashMap<File, ModeContribution>();

for (ModeContribution contrib : contribModes) {

known.put(contrib.getFolder(), contrib);

}

File[] potential = ContributionType.MODE.listCandidates(modesFolder);

// If modesFolder does not exist or is inaccessible (folks might like to

// mess with folders then report it as a bug) 'potential' will be null.

if (potential != null) {

for (File folder : potential) {

if (!known.containsKey(folder)) {

try {

contribModes.add(new ModeContribution(this, folder, null));

} catch (NoSuchMethodError nsme) {

System.err.println(folder.getName() + " is not compatible with this version of Processing");

} catch (NoClassDefFoundError ncdfe) {

System.err.println(folder.getName() + " is not compatible with this version of Processing");

} catch (InvocationTargetException ite) {

System.err.println(folder.getName() + " could not be loaded and may not compatible with this version of Processing");

} catch (IgnorableException ig) {

Messages.log(ig.getMessage());

} catch (Throwable e) {

e.printStackTrace();

}

} else {

known.remove(folder); // remove this item as already been seen

}

// This allows you to build and test your Mode code from Eclipse.

// -Dusemode=com.foo.FrobMode:/path/to/FrobMode

final String useMode = System.getProperty("usemode");

if (useMode != null) {

final String[] modeInfo = useMode.split(":", 2);

final String modeClass = modeInfo[0];

final String modeResourcePath = modeInfo[1];

System.out.println("Attempting to load " + modeClass + " with resources at " + modeResourcePath);

ModeContribution mc = ModeContribution.load(this, new File(modeResourcePath), modeClass);

contribModes.add(mc);

known.remove(mc);

}

if (known.size() != 0) {

for (ModeContribution mc : known.values()) {

System.out.println("Extraneous Mode entry: " + mc.getName());

}

/**

* Instantiates and adds new contributed modes to the contribModes list.

* Checks for duplicates so the same mode isn't instantiates twice. Does not

* remove modes because modes can't be removed once they are instantiated.

void rebuildContribExamples() {

if (exampleContribs == null) {

exampleContribs = new ArrayList<ExamplesContribution>();

}

ExamplesContribution.loadMissing(this);

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

/**

* Tools require an 'Editor' object when they're instantiated, but the

* activeEditor will be null when the first Editor that opens is creating

* its Tools menu. This will temporarily set the activeEditor to the one

* that's opening so that we don't go all NPE on startup. If there's already

* an active editor, then this does nothing.

public void checkFirstEditor(Editor editor) {

if (activeEditor == null) {

activeEditor = editor;

}

/** Returns the front most, active editor window. */

public Editor getActiveEditor() {

return activeEditor;

}

/** Get the list of currently active editor windows. */

public List<Editor> getEditors() {

return editors;

}

/**

* Called when a window is activated. Because of variations in native

* windowing systems, no guarantees about changes to the focused and active

* Windows can be made. Never assume that this Window is the focused or

* active Window until this Window actually receives a WINDOW_GAINED_FOCUS

* or WINDOW_ACTIVATED event.

public void handleActivated(Editor whichEditor) {

activeEditor = whichEditor;

// set the current window to be the console that's getting output

EditorConsole.setEditor(activeEditor);

// make this the next mode to be loaded

nextMode = whichEditor.getMode();

Preferences.set("mode.last", nextMode.getIdentifier()); //$NON-NLS-1$

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

public void refreshContribs(ContributionType ct) {

if (ct == ContributionType.LIBRARY) {

for (Mode m : getModeList()) {

m.rebuildImportMenu();

}

} else if (ct == ContributionType.MODE) {

rebuildContribModes();

for (Editor editor : editors) {

editor.rebuildModePopup();

}

} else if (ct == ContributionType.TOOL) {

rebuildToolList();

for (Editor editor : editors) {

populateToolsMenu(editor.getToolMenu());

}

} else if (ct == ContributionType.EXAMPLES) {

rebuildContribExamples();

for (Mode m : getModeList()) {

m.rebuildExamplesFrame();

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

private int updatesAvailable = 0;

public void setUpdatesAvailable(int n) {

updatesAvailable = n;

synchronized (editors) {

for (Editor e : editors) {

e.setUpdatesAvailable(n);

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

List<Tool> internalTools;

List<ToolContribution> coreTools;

List<ToolContribution> contribTools;

public List<ToolContribution> getCoreTools() {

return coreTools;

}

public List<ToolContribution> getToolContribs() {

return contribTools;

}

public void removeToolContrib(ToolContribution tc) {

contribTools.remove(tc);

}

public void rebuildToolList() {

// Only do this once because the list of internal tools will never change

if (internalTools == null) {

internalTools = new ArrayList<Tool>();

initInternalTool("processing.app.tools.CreateFont");

initInternalTool("processing.app.tools.ColorSelector");

initInternalTool("processing.app.tools.Archiver");

if (Platform.isMacOS()) {

initInternalTool("processing.app.tools.InstallCommander");

}

// No need to reload these either

if (coreTools == null) {

coreTools = ToolContribution.loadAll(Base.getToolsFolder());

for (Tool tool : coreTools) {

tool.init(this);

}

// Rebuilt when new tools installed, etc

contribTools = ToolContribution.loadAll(Base.getSketchbookToolsFolder());

for (Tool tool : contribTools) {

try {

tool.init(this);

// With the exceptions, we can't call statusError because the window

// isn't completely set up yet. Also not gonna pop up a warning because

// people may still be running different versions of Processing.

} catch (VerifyError ve) {

System.err.println("\"" + tool.getMenuTitle() + "\" is not " +

"compatible with this version of Processing");

} catch (NoSuchMethodError nsme) {

System.err.println("\"" + tool.getMenuTitle() + "\" is not " +

"compatible with this version of Processing");

System.err.println("The " + nsme.getMessage() + " method no longer exists.");

Messages.loge("Incompatible Tool found during tool.init()", nsme);

} catch (NoClassDefFoundError ncdfe) {

System.err.println("\"" + tool.getMenuTitle() + "\" is not " +

"compatible with this version of Processing");

System.err.println("The " + ncdfe.getMessage() + " class is no longer available.");

Messages.loge("Incompatible Tool found during tool.init()", ncdfe);

} catch (AbstractMethodError ame) {

System.err.println("\"" + tool.getMenuTitle() + "\" is not " +

"compatible with this version of Processing");

// ame.printStackTrace();

} catch (Error err) {

System.err.println("An error occurred inside \"" + tool.getMenuTitle() + "\"");

err.printStackTrace();

} catch (Exception ex) {

System.err.println("An exception occurred inside \"" + tool.getMenuTitle() + "\"");

ex.printStackTrace();

}

protected void initInternalTool(String className) {

try {

Class<?> toolClass = Class.forName(className);

final Tool tool = (Tool) toolClass.newInstance();

tool.init(this);

internalTools.add(tool);

} catch (Exception e) {

e.printStackTrace();

}

Iterator<Editor> editorIter = base.getEditors().iterator();

while (editorIter.hasNext()) {

Editor editor = editorIter.next();

List<ToolContribution> contribTools = editor.getToolContribs();

for (ToolContribution toolContrib : contribTools) {

if (toolContrib.getName().equals(this.name)) {

try {

((URLClassLoader) toolContrib.loader).close();

editor.removeToolContrib(toolContrib);

break;

} catch (IOException e) {

e.printStackTrace();

}

public void clearToolMenus() {

for (Editor ed : editors) {

ed.clearToolMenu();

}

public void populateToolsMenu(JMenu toolsMenu) {

// If this is the first run, need to build out the lists

if (internalTools == null) {

rebuildToolList();

}

// coreTools = ToolContribution.loadAll(Base.getToolsFolder());

// contribTools = ToolContribution.loadAll(Base.getSketchbookToolsFolder());

// Collections.sort(coreTools);

// Collections.sort(contribTools);

// Collections.sort(coreTools, new Comparator<ToolContribution>() {

// @Override

// public int compare(ToolContribution o1, ToolContribution o2) {

// return o1.getMenuTitle().compareTo(o2.getMenuTitle());

// }

// });

toolsMenu.removeAll();

for (Tool tool : internalTools) {

toolsMenu.add(createToolItem(tool));

}

toolsMenu.addSeparator();

if (coreTools.size() > 0) {

for (Tool tool : coreTools) {

toolsMenu.add(createToolItem(tool));

}

toolsMenu.addSeparator();

}

if (contribTools.size() > 0) {

for (Tool tool : contribTools) {

toolsMenu.add(createToolItem(tool));

}

toolsMenu.addSeparator();

}

JMenuItem item = new JMenuItem(Language.text("menu.tools.add_tool"));

item.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

ContributionManager.openTools();

}

});

toolsMenu.add(item);

}

static public void addTools(JMenu menu, List<Tool> tools) {

Map<String, JMenuItem> toolItems = new HashMap<String, JMenuItem>();

for (final Tool tool : tools) {

// If init() fails, the item won't be added to the menu

addToolItem(tool, toolItems);

}

List<String> toolList = new ArrayList<String>(toolItems.keySet());

if (toolList.size() > 0) {

if (menu.getItemCount() != 0) {

menu.addSeparator();

}

Collections.sort(toolList);

for (String title : toolList) {

menu.add(toolItems.get(title));

}

JMenuItem createToolItem(final Tool tool) { //, Map<String, JMenuItem> toolItems) {

String title = tool.getMenuTitle();

final JMenuItem item = new JMenuItem(title);

item.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

try {

tool.run();

} catch (NoSuchMethodError nsme) {

activeEditor.statusError("\"" + tool.getMenuTitle() + "\" is not" +

"compatible with this version of Processing");

//nsme.printStackTrace();

Messages.loge("Incompatible tool found during tool.run()", nsme);

item.setEnabled(false);

} catch (Exception ex) {

activeEditor.statusError("An error occurred inside \"" + tool.getMenuTitle() + "\"");

ex.printStackTrace();

item.setEnabled(false);

}

});

//toolItems.put(title, item);

return item;

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

public List<ModeContribution> getModeContribs() {

return modeContribs;

}

public List<Mode> getModeList() {

List<Mode> allModes = new ArrayList<Mode>();

allModes.addAll(Arrays.asList(coreModes));

if (modeContribs != null) {

for (ModeContribution contrib : modeContribs) {

allModes.add(contrib.getMode());

}

return allModes;

}

public List<ExamplesContribution> getExampleContribs() {

return exampleContribs;

}

private List<Contribution> getInstalledContribs() {

List<Contribution> contributions = new ArrayList<Contribution>();

List<ModeContribution> modeContribs = getModeContribs();

contributions.addAll(modeContribs);

for (ModeContribution modeContrib : modeContribs) {

Mode mode = modeContrib.getMode();

contributions.addAll(new ArrayList<Library>(mode.contribLibraries));

}

// TODO this duplicates code in Editor, but it's not editor-specific

// List<ToolContribution> toolContribs =

// ToolContribution.loadAll(Base.getSketchbookToolsFolder());

// contributions.addAll(toolContribs);

contributions.addAll(ToolContribution.loadAll(getSketchbookToolsFolder()));

contributions.addAll(getExampleContribs());

return contributions;

}

public byte[] getInstalledContribsInfo() {

List<Contribution> contribs = getInstalledContribs();

StringList entries = new StringList();

for (Contribution c : contribs) {

String entry = c.getTypeName() + "=" +

PApplet.urlEncode(String.format("name=%s\nurl=%s\nrevision=%d\nversion=%s",

c.getName(), c.getUrl(),

c.getVersion(), c.getPrettyVersion()));

entries.append(entry);

}

String joined =

"id=" + Preferences.get("update.id") + "&" + entries.join("&");

// StringBuilder sb = new StringBuilder();

// try {

// // Truly ridiculous attempt to shove everything into a GET request.

// // More likely to be seen as part of a grand plot.

// ByteArrayOutputStream baos = new ByteArrayOutputStream();

// GZIPOutputStream output = new GZIPOutputStream(baos);

// PApplet.saveStream(output, new ByteArrayInputStream(joined.getBytes()));

// output.close();

// byte[] b = baos.toByteArray();

// for (int i = 0; i < b.length; i++) {

// sb.append(PApplet.hex(b[i], 2));

// }

// } catch (IOException e) {

// e.printStackTrace();

// }

// return sb.toString();

return joined.getBytes();

}

// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

/**

* Create or modify a sketch.proprties file to specify the given Mode.

private void saveModeSettings(final File sketchProps, final Mode mode) {

try {

final Settings settings = new Settings(sketchProps);

settings.set("mode", mode.getTitle());

settings.set("mode.id", mode.getIdentifier());

settings.save();

} catch (IOException e) {

System.err.println("While creating " + sketchProps + ": " + e.getMessage());

}

String getDefaultModeIdentifier() {

return "processing.mode.java.JavaMode";

}

public Mode getDefaultMode() {

return coreModes[0];

}

/** Used by ThinkDifferent so that it can have a Sketchbook menu. */

public Mode getNextMode() {

return nextMode;

}

/**

* The call has already checked to make sure this sketch is not modified,

* now change the mode.

public void changeMode(Mode mode) {

if (activeEditor.getMode() != mode) {

Sketch sketch = activeEditor.getSketch();

nextMode = mode;

if (sketch.isUntitled()) {

// If no changes have been made, just close and start fresh.

// (Otherwise the editor would lose its 'untitled' status.)

handleClose(activeEditor, true);

handleNew();

} else {

// If the current editor contains file extensions that the new mode can handle, then

// write a sketch.properties file with the new mode specified, and reopen.

boolean newModeCanHandleCurrentSource = true;

for (final SketchCode code: sketch.getCode()) {

if (!mode.validExtension(code.getExtension())) {

newModeCanHandleCurrentSource = false;

break;

}

if (newModeCanHandleCurrentSource) {

final File props = new File(sketch.getCodeFolder(), "sketch.properties");

saveModeSettings(props, nextMode);

handleClose(activeEditor, true);

handleOpen(sketch.getMainFilePath());

}

private static class ModeInfo {

public final String title;

public final String id;

public ModeInfo(String id, String title) {

this.id = id;

this.title = title;

}

private static ModeInfo modeInfoFor(final File sketch) {

final File sketchFolder = sketch.getParentFile();

final File sketchProps = new File(sketchFolder, "sketch.properties");

if (!sketchProps.exists()) {

return null;

}

try {

final Settings settings = new Settings(sketchProps);

final String title = settings.get("mode");

final String id = settings.get("mode.id");

if (title == null || id == null) {

return null;

}

return new ModeInfo(id, title);

} catch (IOException e) {

System.err.println("While trying to read " + sketchProps + ": "

+ e.getMessage());

}

return null;

}

private Mode promptForMode(final File sketch, final ModeInfo preferredMode) {

final String extension =

sketch.getName().substring(sketch.getName().lastIndexOf('.') + 1);

final List<Mode> possibleModes = new ArrayList<Mode>();

for (final Mode mode : getModeList()) {

if (mode.canEdit(sketch)) {

possibleModes.add(mode);

}

if (possibleModes.size() == 1 &&

possibleModes.get(0).getIdentifier().equals(getDefaultModeIdentifier())) {

// If default mode can open it, then do so without prompting.

return possibleModes.get(0);

}

if (possibleModes.size() == 0) {

if (preferredMode == null) {

final String msg =

"I don't know how to open a sketch with the \"" + extension + "\"\n" +

"file extension. You'll have to install a different\n" +

"Mode for that.";

Messages.showWarning("Modeless Dialog", msg);

} else {

Messages.showWarning("Modeless Dialog",

"Install " + preferredMode.title + " Mode " +

"to open this sketch.");

}

return null;

}

final Mode[] modes = possibleModes.toArray(new Mode[possibleModes.size()]);

final String message = preferredMode == null ?

(nextMode.getTitle() + " Mode can't open ." + extension + " files, " +

"but you have one or more modes\ninstalled that can. " +

"Would you like to try one?") :

("That's a " + preferredMode.title + " Mode sketch, " +

"but you don't have " + preferredMode.title + " installed.\n" +

"Would you like to try a different mode for opening a " +

"." + extension + " sketch?");

return (Mode) JOptionPane.showInputDialog(null, message, "Choose Wisely",

JOptionPane.QUESTION_MESSAGE,

null, modes, modes[0]);

}

private Mode selectMode(final File sketch) {

final ModeInfo modeInfo = modeInfoFor(sketch);

final Mode specifiedMode = modeInfo == null ? null : findMode(modeInfo.id);

if (specifiedMode != null) {

return specifiedMode;

}

return promptForMode(sketch, modeInfo);

}

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processing/app/src/processing/app/Base.java at master · ishit/processing · GitHub

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