processing/app/src/processing/app/Mode.java at master · orgicus/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 as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) 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 processing.app;

import java.awt.*;

import java.awt.event.*;

import java.awt.image.BufferedImage;

import java.awt.image.WritableRaster;

import java.io.*;

import java.util.*;

import java.util.List;

import javax.swing.*;

import javax.swing.tree.*;

import processing.app.contrib.ContributionManager;

import processing.app.syntax.*;

import processing.app.ui.Editor;

import processing.app.ui.EditorException;

import processing.app.ui.EditorState;

import processing.app.ui.ExamplesFrame;

import processing.app.ui.Recent;

import processing.app.ui.SketchbookFrame;

import processing.app.ui.Toolkit;

import processing.core.PApplet;

import processing.core.PConstants;

public abstract class Mode {

protected Base base;

protected File folder;

protected TokenMarker tokenMarker;

protected Map<String, String> keywordToReference =

new HashMap<String, String>();

protected Settings theme;

// protected Formatter formatter;

// protected Tool formatter;

// maps imported packages to their library folder

protected Map<String, List<Library>> importToLibraryTable;

// these menus are shared so that they needn't be rebuilt for all windows

// each time a sketch is created, renamed, or moved.

protected JMenu examplesMenu; // this is for the menubar, not the toolbar

protected JMenu importMenu;

protected ExamplesFrame examplesFrame;

protected SketchbookFrame sketchbookFrame;

// popup menu used for the toolbar

protected JMenu toolbarMenu;

protected File examplesFolder;

protected File librariesFolder;

protected File referenceFolder;

// protected File examplesContribFolder;

public List<Library> coreLibraries;

public List<Library> contribLibraries;

/** Library folder for core. (Used for OpenGL in particular.) */

protected Library coreLibrary;

/**

* ClassLoader used to retrieve classes for this mode. Useful if you want

* to grab any additional classes that subclass what's in the mode folder.

protected ClassLoader classLoader;

static final int BACKGROUND_WIDTH = 1025;

static final int BACKGROUND_HEIGHT = 65;

protected Image backgroundImage;

// public Mode(Base base, File folder) {

// this(base, folder, base.getSketchbookLibrariesFolder());

// }

public Mode(Base base, File folder) {

this.base = base;

this.folder = folder;

tokenMarker = createTokenMarker();

// Get paths for the libraries and examples in the mode folder

examplesFolder = new File(folder, "examples");

librariesFolder = new File(folder, "libraries");

referenceFolder = new File(folder, "reference");

// rebuildToolbarMenu();

rebuildLibraryList();

// rebuildExamplesMenu();

try {

for (File file : getKeywordFiles()) {

loadKeywords(file);

}

} catch (IOException e) {

Messages.showWarning("Problem loading keywords",

"Could not load keywords file for " + getTitle() + " mode.", e);

}

/**

* To add additional keywords, or to grab them from another mode, override

* this function. If your mode has no keywords, return a zero length array.

public File[] getKeywordFiles() {

return new File[] { new File(folder, "keywords.txt") };

}

protected void loadKeywords(File keywordFile) throws IOException {

// overridden for Python, where # is an actual keyword

loadKeywords(keywordFile, "#");

}

protected void loadKeywords(File keywordFile,

String commentPrefix) throws IOException {

BufferedReader reader = PApplet.createReader(keywordFile);

String line = null;

while ((line = reader.readLine()) != null) {

if (!line.trim().startsWith(commentPrefix)) {

// Was difficult to make sure that mode authors were properly doing

// tab-separated values. By definition, there can't be additional

// spaces inside a keyword (or filename), so just splitting on tokens.

String[] pieces = PApplet.splitTokens(line);

if (pieces.length >= 2) {

String keyword = pieces[0];

String coloring = pieces[1];

if (coloring.length() > 0) {

tokenMarker.addColoring(keyword, coloring);

}

if (pieces.length == 3) {

String htmlFilename = pieces[2];

if (htmlFilename.length() > 0) {

// if the file is for the version with parens,

// add a paren to the keyword

if (htmlFilename.endsWith("_")) {

keyword += "_";

}

keywordToReference.put(keyword, htmlFilename);

}

reader.close();

}

public void setClassLoader(ClassLoader loader) {

this.classLoader = loader;

}

public ClassLoader getClassLoader() {

return classLoader;

}

/**

* Setup additional elements that are only required when running with a GUI,

* rather than from the command-line. Note that this will not be called when

* the Mode is used from the command line (because Base will be null).

public void setupGUI() {

try {

// First load the default theme data for the whole PDE.

theme = new Settings(Platform.getContentFile("lib/theme.txt"));

// The mode-specific theme.txt file should only contain additions,

// and in extremely rare cases, it might override entries from the

// main theme. Do not override for style changes unless they are

// objectively necessary for your Mode.

File modeTheme = new File(folder, "theme/theme.txt");

if (modeTheme.exists()) {

// Override the built-in settings with what the theme provides

theme.load(modeTheme);

}

// other things that have to be set explicitly for the defaults

theme.setColor("run.window.bgcolor", SystemColor.control);

// loadBackground();

} catch (IOException e) {

Messages.showError("Problem loading theme.txt",

"Could not load theme.txt, please re-install Processing", e);

}

public File getContentFile(String path) {

return new File(folder, path);

}

public InputStream getContentStream(String path) throws FileNotFoundException {

return new FileInputStream(getContentFile(path));

}

/**

* Return the pretty/printable/menu name for this mode. This is separate from

* the single word name of the folder that contains this mode. It could even

* have spaces, though that might result in sheer madness or total mayhem.

abstract public String getTitle();

/**

* Get an identifier that can be used to resurrect this mode and connect it

* to a sketch. Using this instead of getTitle() because there might be name

* clashes with the titles, but there should not be once the actual package,

* et al. is included.

* @return full name (package + class name) for this mode.

public String getIdentifier() {

return getClass().getCanonicalName();

}

/**

* Create a new editor associated with this mode.

abstract public Editor createEditor(Base base, String path,

EditorState state) throws EditorException;

/**

* Get the folder where this mode is stored.

* @since 3.0a3

public File getFolder() {

return folder;

}

public File getExamplesFolder() {

return examplesFolder;

}

public File getLibrariesFolder() {

return librariesFolder;

}

public File getReferenceFolder() {

return referenceFolder;

}

public void rebuildLibraryList() {

//new Exception("Rebuilding library list").printStackTrace(System.out);

// reset the table mapping imports to libraries

importToLibraryTable = new HashMap<String, List<Library>>();

Library core = getCoreLibrary();

if (core != null) {

core.addPackageList(importToLibraryTable);

}

coreLibraries = Library.list(librariesFolder);

File contribLibrariesFolder = Base.getSketchbookLibrariesFolder();

contribLibraries = Library.list(contribLibrariesFolder);

// Check to see if video and sound are installed and move them

// from the contributed list to the core list.

List<Library> foundationLibraries = new ArrayList<>();

for (Library lib : contribLibraries) {

if (lib.isFoundation()) {

foundationLibraries.add(lib);

}

coreLibraries.addAll(foundationLibraries);

contribLibraries.removeAll(foundationLibraries);

File sketchbookLibs = Base.getSketchbookLibrariesFolder();

File videoFolder = new File(sketchbookLibs, "video");

if (videoFolder.exists()) {

coreLibraries.add(new Library(videoFolder));

}

File soundFolder = new File(sketchbookLibs, "sound");

if (soundFolder.exists()) {

coreLibraries.add(new Library(soundFolder));

}

for (Library lib : coreLibraries) {

lib.addPackageList(importToLibraryTable);

}

for (Library lib : contribLibraries) {

lib.addPackageList(importToLibraryTable);

}

public Library getCoreLibrary() {

return null;

}

public Library getLibrary(String pkgName) throws SketchException {

List<Library> libraries = importToLibraryTable.get(pkgName);

if (libraries == null) {

return null;

} else if (libraries.size() > 1) {

String primary = "More than one library is competing for this sketch.";

String secondary = "The import " + pkgName + " points to multiple libraries: ";

for (Library library : libraries) {

String location = library.getPath();

if (location.startsWith(getLibrariesFolder().getAbsolutePath())) {

location = "part of Processing";

}

secondary += "" + library.getName() + " (" + location + ") ";

}

secondary += "Extra libraries need to be removed before this sketch can be used.";

Messages.showWarningTiered("Duplicate Library Problem", primary, secondary, null);

throw new SketchException("Duplicate libraries found for " + pkgName + ".");

} else {

return libraries.get(0);

}

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

// abstract public EditorToolbar createToolbar(Editor editor);

public JMenu getToolbarMenu() {

if (toolbarMenu == null) {

// toolbarMenu = new JMenu();

rebuildToolbarMenu();

}

return toolbarMenu;

}

public void insertToolbarRecentMenu() {

if (toolbarMenu == null) {

rebuildToolbarMenu();

} else {

toolbarMenu.insert(Recent.getToolbarMenu(), 1);

}

public void removeToolbarRecentMenu() {

toolbarMenu.remove(Recent.getToolbarMenu());

}

protected void rebuildToolbarMenu() { //JMenu menu) {

JMenuItem item;

if (toolbarMenu == null) {

toolbarMenu = new JMenu();

} else {

toolbarMenu.removeAll();

}

//System.out.println("rebuilding toolbar menu");

// Add the single "Open" item

item = Toolkit.newJMenuItem("Open...", 'O');

item.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

base.handleOpenPrompt();

}

});

toolbarMenu.add(item);

insertToolbarRecentMenu();

item = Toolkit.newJMenuItemShift("Examples...", 'O');

item.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

showExamplesFrame();

}

});

toolbarMenu.add(item);

item = new JMenuItem(Language.text("examples.add_examples"));

item.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

ContributionManager.openExamples();

}

});

toolbarMenu.add(item);

// Add a list of all sketches and subfolders

toolbarMenu.addSeparator();

base.populateSketchbookMenu(toolbarMenu);

// boolean found = false;

// try {

// found = base.addSketches(toolbarMenu, base.getSketchbookFolder(), true);

// } catch (IOException e) {

// Base.showWarning("Sketchbook Toolbar Error",

// "An error occurred while trying to list the sketchbook.", e);

// }

// if (!found) {

// JMenuItem empty = new JMenuItem("(empty)");

// empty.setEnabled(false);

// toolbarMenu.add(empty);

// }

}

protected int importMenuIndex = -1;

/**

* Rather than re-building the library menu for every open sketch (very slow

* and prone to bugs when updating libs, particularly with the contribs mgr),

* share a single instance across all windows.

* @since 3.0a6

* @param sketchMenu the Sketch menu that's currently active

public void removeImportMenu(JMenu sketchMenu) {

JMenu importMenu = getImportMenu();

//importMenuIndex = sketchMenu.getComponentZOrder(importMenu);

importMenuIndex = Toolkit.getMenuItemIndex(sketchMenu, importMenu);

sketchMenu.remove(importMenu);

}

/**

* Re-insert the Import Library menu. Added function so that other modes

* need not have an 'import' menu.

* @since 3.0a6

* @param sketchMenu the Sketch menu that's currently active

public void insertImportMenu(JMenu sketchMenu) {

// hard-coded as 4 in 3.0a5, change to 5 for 3.0a6, but... yuck

//sketchMenu.insert(mode.getImportMenu(), 4);

// This is -1 on when the editor window is first shown, but that's fine

// because the import menu has just been added in the Editor constructor.

if (importMenuIndex != -1) {

sketchMenu.insert(getImportMenu(), importMenuIndex);

}

public JMenu getImportMenu() {

if (importMenu == null) {

rebuildImportMenu();

}

return importMenu;

}

public void rebuildImportMenu() { //JMenu importMenu) {

if (importMenu == null) {

importMenu = new JMenu(Language.text("menu.library"));

} else {

//System.out.println("rebuilding import menu");

importMenu.removeAll();

}

JMenuItem addLib = new JMenuItem(Language.text("menu.library.add_library"));

addLib.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

ContributionManager.openLibraries();

}

});

importMenu.add(addLib);

importMenu.addSeparator();

rebuildLibraryList();

ActionListener listener = new ActionListener() {

public void actionPerformed(ActionEvent e) {

base.activeEditor.handleImportLibrary(e.getActionCommand());

}

};

// try {

// pw = new PrintWriter(new FileWriter(System.getProperty("user.home") + "/Desktop/libs.csv"));

// } catch (IOException e1) {

// e1.printStackTrace();

// }

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

JMenuItem item = new JMenuItem(getTitle() + " " + Language.text("menu.library.no_core_libraries"));

item.setEnabled(false);

importMenu.add(item);

} else {

for (Library library : coreLibraries) {

JMenuItem item = new JMenuItem(library.getName());

item.addActionListener(listener);

// changed to library-name to facilitate specification of imports from properties file

item.setActionCommand(library.getName());

importMenu.add(item);

}

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

importMenu.addSeparator();

JMenuItem contrib = new JMenuItem(Language.text("menu.library.contributed"));

contrib.setEnabled(false);

importMenu.add(contrib);

HashMap<String, JMenu> subfolders = new HashMap<String, JMenu>();

for (Library library : contribLibraries) {

JMenuItem item = new JMenuItem(library.getName());

item.addActionListener(listener);

// changed to library-name to facilitate specification if imports from properties file

item.setActionCommand(library.getName());

String group = library.getGroup();

if (group != null) {

JMenu subMenu = subfolders.get(group);

if (subMenu == null) {

subMenu = new JMenu(group);

importMenu.add(subMenu);

subfolders.put(group, subMenu);

}

subMenu.add(item);

} else {

importMenu.add(item);

}

/**

* Override this to control the order of the first set of example folders

* and how they appear in the examples window.

public File[] getExampleCategoryFolders() {

return examplesFolder.listFiles(new FilenameFilter() {

public boolean accept(File dir, String name) {

return dir.isDirectory() && name.charAt(0) != '.';

}

});

}

public void rebuildExamplesFrame() {

if (examplesFrame != null) {

boolean visible = examplesFrame.isVisible();

Rectangle bounds = null;

if (visible) {

bounds = examplesFrame.getBounds();

examplesFrame.setVisible(false);

}

examplesFrame = null;

if (visible) {

showExamplesFrame();

examplesFrame.setBounds(bounds);

}

public void showExamplesFrame() {

if (examplesFrame == null) {

examplesFrame = new ExamplesFrame(base, this);

}

examplesFrame.setVisible();

}

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

public DefaultMutableTreeNode buildSketchbookTree() {

DefaultMutableTreeNode sbNode =

new DefaultMutableTreeNode(Language.text("sketchbook.tree"));

try {

base.addSketches(sbNode, Base.getSketchbookFolder(), false);

} catch (IOException e) {

e.printStackTrace();

}

return sbNode;

}

/** Sketchbook has changed, update it on next viewing. */

public void rebuildSketchbookFrame() {

boolean wasVisible =

(sketchbookFrame == null) ? false : sketchbookFrame.isVisible();

sketchbookFrame = null; // Force a rebuild

if (wasVisible) {

showSketchbookFrame();

}

public void showSketchbookFrame() {

if (sketchbookFrame == null) {

sketchbookFrame = new SketchbookFrame(base, this);

}

sketchbookFrame.setVisible();

}

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

/**

* Get an ImageIcon object from the Mode folder.

* Or when prefixed with /lib, load it from the main /lib folder.

* @since 3.0a6

public ImageIcon loadIcon(String filename) {

if (filename.startsWith("/lib/")) {

return Toolkit.getLibIcon(filename.substring(5));

}

File file = new File(folder, filename);

if (!file.exists()) {

// EditorConsole.systemErr.println("file does not exist: " + file.getAbsolutePath());

return null;

}

// EditorConsole.systemErr.println("found: " + file.getAbsolutePath());

return new ImageIcon(file.getAbsolutePath());

}

/**

* Get an image object from the mode folder.

* Or when prefixed with /lib, load it from the main /lib folder.

public Image loadImage(String filename) {

ImageIcon icon = loadIcon(filename);

if (icon != null) {

return icon.getImage();

}

return null;

}

public Image loadImageX(String filename) {

final int res = Toolkit.highResDisplay() ? 2 : 1;

return loadImage(filename + "-" + res + "x.png");

}

// public EditorButton loadButton(String name) {

// return new EditorButton(this, name);

// }

//public Settings getTheme() {

// return theme;

//}

/**

* Returns the HTML filename (including path prefix if necessary)

* for this keyword, or null if it doesn't exist.

public String lookupReference(String keyword) {

return keywordToReference.get(keyword);

}

//public TokenMarker getTokenMarker() throws IOException {

// File keywordsFile = new File(folder, "keywords.txt");

// return new PdeKeywords(keywordsFile);

//}

public TokenMarker getTokenMarker() {

return tokenMarker;

}

protected TokenMarker createTokenMarker() {

return new PdeKeywords();

}

// abstract public Formatter createFormatter();

// public Formatter getFormatter() {

// return formatter;

// }

// public Tool getFormatter() {

// return formatter;

// }

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

// Get attributes/values from the theme.txt file. To discourage burying this

// kind of information in code where it doesn't belong (and is difficult to

// track down), these don't have a "default" option as a second parameter.

/** @since 3.0a6 */

public String getString(String attribute) {

return theme.get(attribute);

}

public boolean getBoolean(String attribute) {

return theme.getBoolean(attribute);

}

public int getInteger(String attribute) {

return theme.getInteger(attribute);

}

public Color getColor(String attribute) {

return theme.getColor(attribute);

}

public Font getFont(String attribute) {

return theme.getFont(attribute);

}

public SyntaxStyle getStyle(String attribute) {

String str = Preferences.get("editor.token." + attribute + ".style");

if (str == null) {

throw new IllegalArgumentException("No style found for " + attribute);

}

StringTokenizer st = new StringTokenizer(str, ",");

String s = st.nextToken();

if (s.indexOf("#") == 0) s = s.substring(1);

Color color = new Color(Integer.parseInt(s, 16));

s = st.nextToken();

boolean bold = (s.indexOf("bold") != -1);

// boolean italic = (s.indexOf("italic") != -1);

// return new SyntaxStyle(color, italic, bold);

return new SyntaxStyle(color, bold);

}

public Image makeGradient(String attribute, int wide, int high) {

int top = getColor(attribute + ".gradient.top").getRGB();

int bot = getColor(attribute + ".gradient.bottom").getRGB();

// float r1 = (top >> 16) & 0xff;

// float g1 = (top >> 8) & 0xff;

// float b1 = top & 0xff;

// float r2 = (bot >> 16) & 0xff;

// float g2 = (bot >> 8) & 0xff;

// float b2 = bot & 0xff;

BufferedImage outgoing =

new BufferedImage(wide, high, BufferedImage.TYPE_INT_RGB);

int[] row = new int[wide];

WritableRaster wr = outgoing.getRaster();

for (int i = 0; i < high; i++) {

// Arrays.fill(row, (255 - (i + GRADIENT_TOP)) << 24);

// int r = (int) PApplet.map(i, 0, high-1, r1, r2);

int rgb = PApplet.lerpColor(top, bot, i / (float)(high-1), PConstants.RGB);

Arrays.fill(row, rgb);

// System.out.println(PApplet.hex(row[0]));

wr.setDataElements(0, i, wide, 1, row);

}

// Graphics g = outgoing.getGraphics();

// for (int i = 0; i < steps; i++) {

// g.setColor(new Color(1, 1, 1, 255 - (i + GRADIENT_TOP)));

// //g.fillRect(0, i, EditorButton.DIM, 10);

// g.drawLine(0, i, EditorButton.DIM, i);

// }

return outgoing;

}

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

// Breaking out extension types in order to clean up the code, and make it

// easier for other environments (like Arduino) to incorporate changes.

/**

* True if the specified extension should be hidden when shown on a tab.

* For Processing, this is true for .pde files. (Broken out for subclasses.)

* You can override this in your Mode subclass to handle it differently.

public boolean hideExtension(String what) {

return what.equals(getDefaultExtension());

}

/**

* True if the specified code has the default file extension.

public boolean isDefaultExtension(SketchCode code) {

return code.getExtension().equals(getDefaultExtension());

}

/**

* True if the specified extension is the default file extension.

public boolean isDefaultExtension(String what) {

return what.equals(getDefaultExtension());

}

/**

* @param f File to be checked against this mode's accepted extensions.

* @return Whether or not the given file name features an extension supported by this mode.

public boolean canEdit(final File f) {

final int dot = f.getName().lastIndexOf('.');

if (dot < 0) {

return false;

}

return validExtension(f.getName().substring(dot + 1));

}

/**

* Check this extension (no dots, please) against the list of valid

* extensions.

public boolean validExtension(String what) {

String[] ext = getExtensions();

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

if (ext[i].equals(what)) return true;

}

return false;

}

/**

* Returns the default extension for this editor setup.

abstract public String getDefaultExtension();

/**

* Returns the appropriate file extension to use for auxilliary source files in a sketch.

* For example, in a Java-mode sketch, auxilliary files should be name "Foo.java"; in

* Python mode, they should be named "foo.py".

* Modes that do not override this function will get the default behavior of returning the

* default extension.

public String getModuleExtension() {

return getDefaultExtension();

}

/**

* Returns a String[] array of proper extensions.

abstract public String[] getExtensions();

/**

* Get array of file/directory names that needn't be copied during "Save As".

abstract public String[] getIgnorable();

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

/**

* Checks coreLibraries and contribLibraries for a library with the specified name

* @param libName the name of the library to find

* @return the Library or null if not found

public Library findLibraryByName(String libName) {

for (Library lib : this.coreLibraries) {

if (libName.equals(lib.getName()))

return lib;

}

for (Library lib : this.contribLibraries) {

if (libName.equals(lib.getName()))

return lib;

}

return null;

}

/**

* Create a fresh applet/application folder if the 'delete target folder'

* pref has been set in the preferences.

public void prepareExportFolder(File targetFolder) {

if (targetFolder != null) {

// Nuke the old applet/application folder because it can cause trouble

if (Preferences.getBoolean("export.delete_target_folder")) {

// System.out.println("temporarily skipping deletion of " + targetFolder);

Util.removeDir(targetFolder);

// targetFolder.renameTo(dest);

}

// Create a fresh output folder (needed before preproc is run next)

targetFolder.mkdirs();

}

// public void handleNew() {

// base.handleNew();

// }

// public void handleNewReplace() {

// base.handleNewReplace();

// }

// this is Java-specific, so keeping it in JavaMode

// public String getSearchPath() {

// return null;

// }

@Override

public String toString() {

return getTitle();

}

processing/app/src/processing/app/Mode.java at master · orgicus/processing · GitHub

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