drop "binary mode" support (too difficult to mantain)

1 files changed, 0 insertions, 1099 deletions

diff --git a/binary.js b/binary.js
deleted file mode 100755
index d1a9b21..0000000
--- a/binary.js
+++ /dev/null
@@ -1,1099 +0,0 @@
-/*
-
-    gui.js
-
-    a programming environment
-    based on morphic.js, blocks.js, threads.js and objects.js
-    inspired by Scratch
-
-    written by Jens Mönig
-    jens@moenig.org
-
-    Copyright (C) 2014 by Jens Mönig
-
-    This file is part of Snap!.
-
-    Snap! is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as
-    published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-    prerequisites:
-    --------------
-    needs blocks.js, threads.js, objects.js and morphic.js
-
-
-    toc
-    ---
-    the following list shows the order in which all constructors are
-    defined. Use this list to locate code in this document:
-
-        IDE_Morph
-
-
-    credits
-    -------
-    Nathan Dinsmore contributed saving and loading of projects,
-    ypr-Snap! project conversion and countless bugfixes
-    Ian Reynolds contributed handling and visualization of sounds
-
-*/
-
-/*global modules, Morph, SpriteMorph, Color, newCanvas,
-VariableFrame, Point, MenuMorph,
-morphicVersion, DialogBoxMorph, ToggleButtonMorph, contains,
-StageMorph, PushButtonMorph, Process, SnapSerializer, MorphicPreferences,
-SymbolMorph,
-BlockImportDialogMorph, SnapTranslator, localize, List */
-
-// Global stuff ////////////////////////////////////////////////////////
-
-modules.gui = '2014-July-30';
-
-// Declarations
-
-var IDE_Morph;
-
-// IDE_Morph ///////////////////////////////////////////////////////////
-
-// I am SNAP's top-level frame, the Editor window
-
-// IDE_Morph inherits from Morph:
-
-IDE_Morph.prototype = new Morph();
-IDE_Morph.prototype.constructor = IDE_Morph;
-IDE_Morph.uber = Morph.prototype;
-
-// IDE_Morph preferences settings and skins
-
-IDE_Morph.prototype.setDefaultDesign = function () {
-    MorphicPreferences.isFlat = false;
-    SpriteMorph.prototype.paletteColor = new Color(55, 55, 55);
-    SpriteMorph.prototype.paletteTextColor = new Color(230, 230, 230);
-    StageMorph.prototype.paletteTextColor
-        = SpriteMorph.prototype.paletteTextColor;
-    StageMorph.prototype.paletteColor = SpriteMorph.prototype.paletteColor;
-    SpriteMorph.prototype.sliderColor
-        = SpriteMorph.prototype.paletteColor.lighter(30);
-
-    IDE_Morph.prototype.buttonContrast = 30;
-    IDE_Morph.prototype.backgroundColor = new Color(40, 40, 40);
-    IDE_Morph.prototype.frameColor = SpriteMorph.prototype.paletteColor;
-
-    IDE_Morph.prototype.groupColor
-        = SpriteMorph.prototype.paletteColor.lighter(8);
-    IDE_Morph.prototype.sliderColor = SpriteMorph.prototype.sliderColor;
-    IDE_Morph.prototype.buttonLabelColor = new Color(255, 255, 255);
-    IDE_Morph.prototype.tabColors = [
-        IDE_Morph.prototype.groupColor.darker(40),
-        IDE_Morph.prototype.groupColor.darker(60),
-        IDE_Morph.prototype.groupColor
-    ];
-    IDE_Morph.prototype.rotationStyleColors = IDE_Morph.prototype.tabColors;
-    IDE_Morph.prototype.appModeColor = new Color();
-    IDE_Morph.prototype.scriptsPaneTexture = 'scriptsPaneTexture.gif';
-    IDE_Morph.prototype.padding = 5;
-};
-
-IDE_Morph.prototype.setFlatDesign = function () {
-    MorphicPreferences.isFlat = true;
-    SpriteMorph.prototype.paletteColor = new Color(255, 255, 255);
-    SpriteMorph.prototype.paletteTextColor = new Color(70, 70, 70);
-    StageMorph.prototype.paletteTextColor
-        = SpriteMorph.prototype.paletteTextColor;
-    StageMorph.prototype.paletteColor = SpriteMorph.prototype.paletteColor;
-    SpriteMorph.prototype.sliderColor = SpriteMorph.prototype.paletteColor;
-
-    IDE_Morph.prototype.buttonContrast = 30;
-    IDE_Morph.prototype.backgroundColor = new Color(200, 200, 200);
-    IDE_Morph.prototype.frameColor = new Color(255, 255, 255);
-
-    IDE_Morph.prototype.groupColor = new Color(230, 230, 230);
-    IDE_Morph.prototype.sliderColor = SpriteMorph.prototype.sliderColor;
-    IDE_Morph.prototype.buttonLabelColor = new Color(70, 70, 70);
-    IDE_Morph.prototype.tabColors = [
-        IDE_Morph.prototype.groupColor.lighter(60),
-        IDE_Morph.prototype.groupColor.darker(10),
-        IDE_Morph.prototype.groupColor
-    ];
-    IDE_Morph.prototype.rotationStyleColors = [
-        IDE_Morph.prototype.groupColor,
-        IDE_Morph.prototype.groupColor.darker(10),
-        IDE_Morph.prototype.groupColor.darker(30)
-    ];
-    IDE_Morph.prototype.appModeColor = IDE_Morph.prototype.frameColor;
-    IDE_Morph.prototype.scriptsPaneTexture = null;
-    IDE_Morph.prototype.padding = 1;
-};
-
-IDE_Morph.prototype.setDefaultDesign();
-
-// IDE_Morph instance creation:
-
-function IDE_Morph(isAutoFill) {
-    this.init(isAutoFill);
-}
-
-IDE_Morph.prototype.init = function (isAutoFill) {
-    // global font setting
-    MorphicPreferences.globalFontFamily = 'Helvetica, Arial';
-
-    // restore saved user preferences
-    this.userLanguage = null;
-
-    // additional properties:
-    this.source = 'local';
-    this.serializer = new SnapSerializer();
-
-    this.globalVariables = new VariableFrame();
-    this.currentSprite = new SpriteMorph(this.globalVariables);
-    this.sprites = new List([this.currentSprite]);
-    this.currentCategory = 'motion';
-    this.currentTab = 'scripts';
-    this.projectName = '';
-    this.projectNotes = '';
-
-    this.logo = null;
-    this.controlBar = null;
-    this.stage = null;
-
-    this.isAutoFill = isAutoFill || true;
-
-    this.filePicker = null;
-    this.hasChangedMedia = false;
-
-    this.isAnimating = true;
-    this.stageRatio = 1; // for IDE animations, e.g. when zooming
-
-    this.loadNewProject = false; // flag when starting up translated
-    this.shield = null;
-
-    // initialize inherited properties:
-    IDE_Morph.uber.init.call(this);
-
-    // override inherited properites:
-    this.color = this.appModeColor;
-};
-
-IDE_Morph.prototype.openIn = function (world) {
-    var hash;
-
-    this.buildPanes();
-    world.add(this);
-
-    this.reactToWorldResize(world.bounds);
-
-    function getURL(url) {
-        try {
-            var request = new XMLHttpRequest();
-            request.open('GET', url, false);
-            request.send();
-            if (request.status === 200) {
-                return request.responseText;
-            }
-            throw new Error('unable to retrieve ' + url);
-        } catch (err) {
-            return;
-        }
-    }
-
-    function interpretUrlAnchors() {
-        if (location.hash.substr(0, 6) === '#open:') {
-            hash = location.hash.substr(6);
-            if (hash.charAt(0) === '%'
-                    || hash.search(/\%(?:[0-9a-f]{2})/i) > -1) {
-                hash = decodeURIComponent(hash);
-            }
-            if (contains(
-                    ['project', 'blocks', 'sprites', 'snapdata'].map(
-                        function (each) {
-                            return hash.substr(0, 8).indexOf(each);
-                        }
-                    ),
-                    1
-                )) {
-                this.droppedText(hash);
-            } else {
-                this.droppedText(getURL(hash));
-            }
-        }
-    }
-
-    if (this.userLanguage) {
-        this.setLanguage(this.userLanguage, interpretUrlAnchors);
-    } else {
-        interpretUrlAnchors.call(this);
-    }
-};
-
-// IDE_Morph construction
-
-IDE_Morph.prototype.buildPanes = function () {
-    this.createLogo();
-    this.createControlBar();
-    this.createStage();
-};
-
-IDE_Morph.prototype.createLogo = function () {
-    var myself = this;
-
-    if (this.logo) {
-        this.logo.destroy();
-    }
-
-    this.logo = new Morph();
-    this.logo.texture = 'snap_logo_sm.png';
-    this.logo.drawNew = function () {
-        this.image = newCanvas(this.extent());
-        var context = this.image.getContext('2d');
-        context.fillStyle = this.color;
-        context.fillRect(0, 0, this.width(), this.height());
-        if (this.texture) {
-            this.drawTexture(this.texture);
-        }
-    };
-
-    this.logo.drawCachedTexture = function () {
-        var context = this.image.getContext('2d');
-        context.drawImage(
-            this.cachedTexture,
-            5,
-            Math.round((this.height() - this.cachedTexture.height) / 2)
-        );
-        this.changed();
-    };
-
-    this.logo.mouseClickLeft = function () {
-        myself.snapMenu();
-    };
-
-    this.logo.color = new Color();
-    this.logo.setExtent(new Point(200, 28)); // dimensions are fixed
-    this.add(this.logo);
-};
-
-IDE_Morph.prototype.createControlBar = function () {
-    // assumes the logo has already been created
-    var padding = 5,
-        button,
-        stopButton,
-        pauseButton,
-        startButton,
-        x,
-        colors = [
-            this.groupColor,
-            this.frameColor.darker(50),
-            this.frameColor.darker(50)
-        ],
-        myself = this;
-
-    if (this.controlBar) {
-        this.controlBar.destroy();
-    }
-
-    this.controlBar = new Morph();
-    this.controlBar.color = this.appModeColor;
-    this.controlBar.setHeight(this.logo.height()); // height is fixed
-    this.controlBar.mouseClickLeft = function () {
-        this.world().fillPage();
-    };
-    this.add(this.controlBar);
-
-    // stopButton
-    button = new PushButtonMorph(
-        this,
-        'stopAllScripts',
-        new SymbolMorph('octagon', 14)
-    );
-    button.corner = 12;
-    button.color = colors[0];
-    button.highlightColor = colors[1];
-    button.pressColor = colors[2];
-    button.labelMinExtent = new Point(36, 18);
-    button.padding = 0;
-    button.labelShadowOffset = new Point(-1, -1);
-    button.labelShadowColor = colors[1];
-    button.labelColor = new Color(200, 0, 0);
-    button.contrast = this.buttonContrast;
-    button.drawNew();
-    // button.hint = 'stop\nevery-\nthing';
-    button.fixLayout();
-    stopButton = button;
-    this.controlBar.add(stopButton);
-
-    //pauseButton
-    button = new ToggleButtonMorph(
-        null, //colors,
-        myself, // the IDE is the target
-        'togglePauseResume',
-        [
-            new SymbolMorph('pause', 12),
-            new SymbolMorph('pointRight', 14)
-        ],
-        function () {  // query
-            return myself.isPaused();
-        }
-    );
-
-    button.corner = 12;
-    button.color = colors[0];
-    button.highlightColor = colors[1];
-    button.pressColor = colors[2];
-    button.labelMinExtent = new Point(36, 18);
-    button.padding = 0;
-    button.labelShadowOffset = new Point(-1, -1);
-    button.labelShadowColor = colors[1];
-    button.labelColor = new Color(255, 220, 0);
-    button.contrast = this.buttonContrast;
-    button.drawNew();
-    // button.hint = 'pause/resume\nall scripts';
-    button.fixLayout();
-    button.refresh();
-    pauseButton = button;
-    this.controlBar.add(pauseButton);
-    this.controlBar.pauseButton = pauseButton; // for refreshing
-
-    // startButton
-    button = new PushButtonMorph(
-        this,
-        'pressStart',
-        new SymbolMorph('flag', 14)
-    );
-    button.corner = 12;
-    button.color = colors[0];
-    button.highlightColor = colors[1];
-    button.pressColor = colors[2];
-    button.labelMinExtent = new Point(36, 18);
-    button.padding = 0;
-    button.labelShadowOffset = new Point(-1, -1);
-    button.labelShadowColor = colors[1];
-    button.labelColor = new Color(0, 200, 0);
-    button.contrast = this.buttonContrast;
-    button.drawNew();
-    // button.hint = 'start green\nflag scripts';
-    button.fixLayout();
-    startButton = button;
-    this.controlBar.add(startButton);
-    this.controlBar.startButton = startButton;
-
-    this.controlBar.fixLayout = function () {
-        x = this.right() - padding;
-        [stopButton, pauseButton, startButton].forEach(
-            function (button) {
-                button.setCenter(myself.controlBar.center());
-                button.setRight(x);
-                x -= button.width();
-                x -= padding;
-            }
-        );
-
-        x = myself.right() - StageMorph.prototype.dimensions.x;
-
-        this.updateLabel();
-    };
-
-    this.controlBar.updateLabel = function () {
-        if (this.label) {
-            this.label.destroy();
-        }
-    };
-};
-
-IDE_Morph.prototype.createStage = function () {
-    // assumes that the logo pane has already been created
-    if (this.stage) {
-        this.stage.destroy();
-    }
-    StageMorph.prototype.frameRate = 0;
-    this.stage = new StageMorph(this.globalVariables);
-    this.stage.setExtent(this.stage.dimensions); // dimensions are fixed
-    if (this.currentSprite instanceof SpriteMorph) {
-        this.currentSprite.setPosition(
-            this.stage.center().subtract(
-                this.currentSprite.extent().divideBy(2)
-            )
-        );
-        this.stage.add(this.currentSprite);
-    }
-    this.add(this.stage);
-};
-
-IDE_Morph.prototype.createCorral = function () {
-};
-
-// IDE_Morph resizing
-
-IDE_Morph.prototype.setExtent = function (point) {
-    var minExt,
-        ext;
-
-    // determine the minimum dimensions making sense for the current mode
-    minExt = StageMorph.prototype.dimensions.add(
-        this.controlBar.height() + 10
-    );
-    ext = point.max(minExt);
-    IDE_Morph.uber.setExtent.call(this, ext);
-    this.fixLayout();
-};
-
-// IDE_Morph events
-
-IDE_Morph.prototype.reactToWorldResize = function (rect) {
-    if (this.isAutoFill) {
-        this.setPosition(rect.origin);
-        this.setExtent(rect.extent());
-    }
-    if (this.filePicker) {
-        document.body.removeChild(this.filePicker);
-        this.filePicker = null;
-    }
-};
-
-// IDE_Morph layout
-
-IDE_Morph.prototype.fixLayout = function () {
-    var padding = this.padding;
-
-    Morph.prototype.trackChanges = false;
-
-    // controlBar
-    this.controlBar.setPosition(this.logo.topRight());
-    this.controlBar.setWidth(this.right() - this.controlBar.left());
-    this.controlBar.fixLayout();
-
-    // stage
-    this.stage.setScale(Math.floor(Math.min(
-        (this.width() - padding * 2) / this.stage.dimensions.x,
-        (this.height() - this.controlBar.height() * 2 - padding * 2)
-            / this.stage.dimensions.y
-    ) * 10) / 10);
-    this.stage.setCenter(this.center());
-
-    Morph.prototype.trackChanges = true;
-    this.changed();
-};
-
-IDE_Morph.prototype.droppedText = function (aString, name) {
-    var lbl = name ? name.split('.')[0] : '';
-    if (aString.indexOf('<project') === 0) {
-        return this.openProjectString(aString);
-    }
-    if (aString.indexOf('<snapdata') === 0) {
-        return this.openCloudDataString(aString);
-    }
-    if (aString.indexOf('<blocks') === 0) {
-        return this.openBlocksString(aString, lbl, true);
-    }
-    if (aString.indexOf('<sprites') === 0) {
-        return this.openSpritesString(aString);
-    }
-    if (aString.indexOf('<media') === 0) {
-        return this.openMediaString(aString);
-    }
-};
-
-// IDE_Morph events
-
-IDE_Morph.prototype.pressStart = function () {
-    if (this.world().currentKey === 16) { // shiftClicked
-        this.toggleFastTracking();
-    } else {
-        this.runScripts();
-    }
-};
-
-IDE_Morph.prototype.toggleFastTracking = function () {
-    if (this.stage.isFastTracked) {
-        this.stopFastTracking();
-    } else {
-        this.startFastTracking();
-    }
-};
-
-IDE_Morph.prototype.toggleVariableFrameRate = function () {
-    if (StageMorph.prototype.frameRate) {
-        StageMorph.prototype.frameRate = 0;
-        this.stage.fps = 0;
-    } else {
-        StageMorph.prototype.frameRate = 30;
-        this.stage.fps = 30;
-    }
-};
-
-IDE_Morph.prototype.startFastTracking = function () {
-    this.stage.isFastTracked = true;
-    this.stage.fps = 0;
-    this.controlBar.startButton.labelString = new SymbolMorph('flash', 14);
-    this.controlBar.startButton.drawNew();
-    this.controlBar.startButton.fixLayout();
-};
-
-IDE_Morph.prototype.stopFastTracking = function () {
-    this.stage.isFastTracked = false;
-    this.stage.fps = this.stage.frameRate;
-    this.controlBar.startButton.labelString = new SymbolMorph('flag', 14);
-    this.controlBar.startButton.drawNew();
-    this.controlBar.startButton.fixLayout();
-};
-
-IDE_Morph.prototype.runScripts = function () {
-    this.stage.fireGreenFlagEvent();
-};
-
-IDE_Morph.prototype.togglePauseResume = function () {
-    if (this.stage.threads.isPaused()) {
-        this.stage.threads.resumeAll(this.stage);
-    } else {
-        this.stage.threads.pauseAll(this.stage);
-    }
-    this.controlBar.pauseButton.refresh();
-};
-
-IDE_Morph.prototype.isPaused = function () {
-    if (!this.stage) {return false; }
-    return this.stage.threads.isPaused();
-};
-
-IDE_Morph.prototype.stopAllScripts = function () {
-    this.stage.fireStopAllEvent();
-};
-
-IDE_Morph.prototype.selectSprite = function (sprite) {
-    this.currentSprite = sprite;
-    this.currentSprite.scripts.fixMultiArgs();
-};
-
-// IDE_Morph menus
-
-IDE_Morph.prototype.snapMenu = function () {
-    var menu,
-        world = this.world();
-
-    menu = new MenuMorph(this);
-    menu.addItem('About...', 'aboutSnap');
-    menu.addLine();
-    menu.addItem(
-        'Reference manual',
-        function () {
-            window.open('help/SnapManual.pdf', 'SnapReferenceManual');
-        }
-    );
-    menu.addItem(
-        'Snap! website',
-        function () {
-            window.open('http://snap.berkeley.edu/', 'SnapWebsite');
-        }
-    );
-    menu.addItem(
-        'Download source',
-        function () {
-            window.open(
-                'http://snap.berkeley.edu/snapsource/snap.zip',
-                'SnapSource'
-            );
-        }
-    );
-    if (world.isDevMode) {
-        menu.addLine();
-        menu.addItem(
-            'Switch back to user mode',
-            'switchToUserMode',
-            'disable deep-Morphic\ncontext menus'
-                + '\nand show user-friendly ones',
-            new Color(0, 100, 0)
-        );
-    } else if (world.currentKey === 16) { // shift-click
-        menu.addLine();
-        menu.addItem(
-            'Switch to dev mode',
-            'switchToDevMode',
-            'enable Morphic\ncontext menus\nand inspectors,'
-                + '\nnot user-friendly!',
-            new Color(100, 0, 0)
-        );
-    }
-    menu.popup(world, this.logo.bottomLeft());
-};
-
-// IDE_Morph menu actions
-
-IDE_Morph.prototype.aboutSnap = function () {
-    var dlg, aboutTxt, noticeTxt, creditsTxt, versions = '', translations,
-        module, btn1, btn2, btn3, btn4, licenseBtn, translatorsBtn,
-        world = this.world();
-
-    aboutTxt = 'Snap! 4.0\nBuild Your Own Blocks\n\n--- beta ---\n\n'
-        + 'Copyright \u24B8 2014 Jens M\u00F6nig and '
-        + 'Brian Harvey\n'
-        + 'jens@moenig.org, bh@cs.berkeley.edu\n\n'
-
-        + 'Snap! is developed by the University of California, Berkeley\n'
-        + '          with support from the National Science Foundation '
-        + 'and MioSoft.   \n'
-
-        + 'The design of Snap! is influenced and inspired by Scratch,\n'
-        + 'from the Lifelong Kindergarten group at the MIT Media Lab\n\n'
-
-        + 'for more information see http://snap.berkeley.edu\n'
-        + 'and http://scratch.mit.edu';
-
-    noticeTxt = localize('License')
-        + '\n\n'
-        + 'Snap! is free software: you can redistribute it and/or modify\n'
-        + 'it under the terms of the GNU Affero General Public License as\n'
-        + 'published by the Free Software Foundation, either version 3 of\n'
-        + 'the License, or (at your option) any later version.\n\n'
-
-        + 'This program is distributed in the hope that it will be useful,\n'
-        + 'but WITHOUT ANY WARRANTY; without even the implied warranty of\n'
-        + 'MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n'
-        + 'GNU Affero General Public License for more details.\n\n'
-
-        + 'You should have received a copy of the\n'
-        + 'GNU Affero General Public License along with this program.\n'
-        + 'If not, see http://www.gnu.org/licenses/';
-
-    creditsTxt = localize('Contributors')
-        + '\n\nNathan Dinsmore: Saving/Loading, Snap-Logo Design, '
-        + 'countless bugfixes'
-        + '\nKartik Chandra: Paint Editor'
-        + '\nMichael Ball: Time/Date UI, many bugfixes'
-        + '\n"Ava" Yuan Yuan: Graphic Effects'
-        + '\nKyle Hotchkiss: Block search design'
-        + '\nIan Reynolds: UI Design, Event Bindings, '
-        + 'Sound primitives'
-        + '\nIvan Motyashov: Initial Squeak Porting'
-        + '\nDavide Della Casa: Morphic Optimizations'
-        + '\nAchal Dave: Web Audio'
-        + '\nJoe Otto: Morphic Testing and Debugging';
-
-    for (module in modules) {
-        if (Object.prototype.hasOwnProperty.call(modules, module)) {
-            versions += ('\n' + module + ' (' +
-                            modules[module] + ')');
-        }
-    }
-    if (versions !== '') {
-        versions = localize('current module versions:') + ' \n\n' +
-            'morphic (' + morphicVersion + ')' +
-            versions;
-    }
-    translations = localize('Translations') + '\n' + SnapTranslator.credits();
-
-    dlg = new DialogBoxMorph();
-    dlg.inform('About Snap', aboutTxt, world);
-    btn1 = dlg.buttons.children[0];
-    translatorsBtn = dlg.addButton(
-        function () {
-            dlg.body.text = translations;
-            dlg.body.drawNew();
-            btn1.show();
-            btn2.show();
-            btn3.hide();
-            btn4.hide();
-            licenseBtn.hide();
-            translatorsBtn.hide();
-            dlg.fixLayout();
-            dlg.drawNew();
-            dlg.setCenter(world.center());
-        },
-        'Translators...'
-    );
-    btn2 = dlg.addButton(
-        function () {
-            dlg.body.text = aboutTxt;
-            dlg.body.drawNew();
-            btn1.show();
-            btn2.hide();
-            btn3.show();
-            btn4.show();
-            licenseBtn.show();
-            translatorsBtn.hide();
-            dlg.fixLayout();
-            dlg.drawNew();
-            dlg.setCenter(world.center());
-        },
-        'Back...'
-    );
-    btn2.hide();
-    licenseBtn = dlg.addButton(
-        function () {
-            dlg.body.text = noticeTxt;
-            dlg.body.drawNew();
-            btn1.show();
-            btn2.show();
-            btn3.hide();
-            btn4.hide();
-            licenseBtn.hide();
-            translatorsBtn.hide();
-            dlg.fixLayout();
-            dlg.drawNew();
-            dlg.setCenter(world.center());
-        },
-        'License...'
-    );
-    btn3 = dlg.addButton(
-        function () {
-            dlg.body.text = versions;
-            dlg.body.drawNew();
-            btn1.show();
-            btn2.show();
-            btn3.hide();
-            btn4.hide();
-            licenseBtn.hide();
-            translatorsBtn.hide();
-            dlg.fixLayout();
-            dlg.drawNew();
-            dlg.setCenter(world.center());
-        },
-        'Modules...'
-    );
-    btn4 = dlg.addButton(
-        function () {
-            dlg.body.text = creditsTxt;
-            dlg.body.drawNew();
-            btn1.show();
-            btn2.show();
-            translatorsBtn.show();
-            btn3.hide();
-            btn4.hide();
-            licenseBtn.hide();
-            dlg.fixLayout();
-            dlg.drawNew();
-            dlg.setCenter(world.center());
-        },
-        'Credits...'
-    );
-    translatorsBtn.hide();
-    dlg.fixLayout();
-    dlg.drawNew();
-};
-
-IDE_Morph.prototype.openProjectString = function (str) {
-    var msg,
-        myself = this;
-    this.nextSteps([
-        function () {
-            msg = myself.showMessage('Opening project...');
-        },
-        function () {
-            myself.rawOpenProjectString(str);
-        },
-        function () {
-            msg.destroy();
-        }
-    ]);
-};
-
-IDE_Morph.prototype.rawOpenProjectString = function (str) {
-    StageMorph.prototype.hiddenPrimitives = {};
-    StageMorph.prototype.codeMappings = {};
-    StageMorph.prototype.codeHeaders = {};
-    StageMorph.prototype.enableCodeMapping = false;
-    if (Process.prototype.isCatchingErrors) {
-        try {
-            this.serializer.openProject(this.serializer.load(str), this);
-        } catch (err) {
-            this.showMessage('Load failed: ' + err);
-        }
-    } else {
-        this.serializer.openProject(this.serializer.load(str), this);
-    }
-    this.stopFastTracking();
-};
-
-IDE_Morph.prototype.openBlocksString = function (str, name, silently) {
-    var msg,
-        myself = this;
-    this.nextSteps([
-        function () {
-            msg = myself.showMessage('Opening blocks...');
-        },
-        function () {
-            myself.rawOpenBlocksString(str, name, silently);
-        },
-        function () {
-            msg.destroy();
-        }
-    ]);
-};
-
-IDE_Morph.prototype.rawOpenBlocksString = function (str, name, silently) {
-    // name is optional (string), so is silently (bool)
-    var blocks,
-        myself = this;
-    if (Process.prototype.isCatchingErrors) {
-        try {
-            blocks = this.serializer.loadBlocks(str, myself.stage);
-        } catch (err) {
-            this.showMessage('Load failed: ' + err);
-        }
-    } else {
-        blocks = this.serializer.loadBlocks(str, myself.stage);
-    }
-    if (silently) {
-        blocks.forEach(function (def) {
-            def.receiver = myself.stage;
-            myself.stage.globalBlocks.push(def);
-            myself.stage.replaceDoubleDefinitionsFor(def);
-        });
-        this.showMessage(
-            'Imported Blocks Module' + (name ? ': ' + name : '') + '.',
-            2
-        );
-    } else {
-        new BlockImportDialogMorph(blocks, this.stage, name).popUp();
-    }
-};
-
-IDE_Morph.prototype.openSpritesString = function (str) {
-    var msg,
-        myself = this;
-    this.nextSteps([
-        function () {
-            msg = myself.showMessage('Opening sprite...');
-        },
-        function () {
-            myself.rawOpenSpritesString(str);
-        },
-        function () {
-            msg.destroy();
-        }
-    ]);
-};
-
-IDE_Morph.prototype.rawOpenSpritesString = function (str) {
-    if (Process.prototype.isCatchingErrors) {
-        try {
-            this.serializer.loadSprites(str, this);
-        } catch (err) {
-            this.showMessage('Load failed: ' + err);
-        }
-    } else {
-        this.serializer.loadSprites(str, this);
-    }
-};
-
-IDE_Morph.prototype.openMediaString = function (str) {
-    if (Process.prototype.isCatchingErrors) {
-        try {
-            this.serializer.loadMedia(str);
-        } catch (err) {
-            this.showMessage('Load failed: ' + err);
-        }
-    } else {
-        this.serializer.loadMedia(str);
-    }
-    this.showMessage('Imported Media Module.', 2);
-};
-
-IDE_Morph.prototype.openProject = function (name) {
-    var str;
-    if (name) {
-        this.showMessage('opening project\n' + name);
-        str = localStorage['-snap-project-' + name];
-        this.openProjectString(str);
-        location.hash = '#open:' + str;
-    }
-};
-
-IDE_Morph.prototype.switchToUserMode = function () {
-    var world = this.world();
-
-    world.isDevMode = false;
-    Process.prototype.isCatchingErrors = true;
-    this.controlBar.updateLabel();
-    this.isAutoFill = true;
-    this.isDraggable = false;
-    this.siblings().forEach(function (morph) {
-        if (morph instanceof DialogBoxMorph) {
-            world.add(morph); // bring to front
-        } else {
-            morph.destroy();
-        }
-    });
-    this.flushBlocksCache();
-    // prevent non-DialogBoxMorphs from being dropped
-    // onto the World in user-mode
-    world.reactToDropOf = function (morph) {
-        if (!(morph instanceof DialogBoxMorph)) {
-            world.hand.grab(morph);
-        }
-    };
-    this.showMessage('entering user mode', 1);
-
-};
-
-IDE_Morph.prototype.switchToDevMode = function () {
-    var world = this.world();
-
-    world.isDevMode = true;
-    Process.prototype.isCatchingErrors = false;
-    this.controlBar.updateLabel();
-    this.isAutoFill = false;
-    this.isDraggable = true;
-    this.setExtent(world.extent().subtract(100));
-    this.setPosition(world.position().add(20));
-    this.flushBlocksCache();
-    // enable non-DialogBoxMorphs to be dropped
-    // onto the World in dev-mode
-    delete world.reactToDropOf;
-    this.showMessage(
-        'entering development mode.\n\n'
-            + 'error catching is turned off,\n'
-            + 'use the browser\'s web console\n'
-            + 'to see error messages.'
-    );
-};
-
-IDE_Morph.prototype.flushBlocksCache = function (category) {
-    // if no category is specified, the whole cache gets flushed
-    if (category) {
-        this.stage.blocksCache[category] = null;
-        this.stage.children.forEach(function (m) {
-            if (m instanceof SpriteMorph) {
-                m.blocksCache[category] = null;
-            }
-        });
-    } else {
-        this.stage.blocksCache = {};
-        this.stage.children.forEach(function (m) {
-            if (m instanceof SpriteMorph) {
-                m.blocksCache = {};
-            }
-        });
-    }
-};
-
-// IDE_Morph localization
-
-IDE_Morph.prototype.setLanguage = function (lang, callback) {
-    var translation = document.getElementById('language'),
-        src = 'lang-' + lang + '.js',
-        myself = this;
-    SnapTranslator.unload();
-    if (translation) {
-        document.head.removeChild(translation);
-    }
-    if (lang === 'en') {
-        return this.reflectLanguage('en', callback);
-    }
-    myself.userLanguage = lang;
-    translation = document.createElement('script');
-    translation.id = 'language';
-    translation.onload = function () {
-        myself.reflectLanguage(lang, callback);
-    };
-    document.head.appendChild(translation);
-    translation.src = src;
-};
-
-IDE_Morph.prototype.reflectLanguage = function (lang, callback) {
-    var projectData;
-    SnapTranslator.language = lang;
-    if (!this.loadNewProject) {
-        if (Process.prototype.isCatchingErrors) {
-            try {
-                projectData = this.serializer.serialize(this.stage);
-            } catch (err) {
-                this.showMessage('Serialization failed: ' + err);
-            }
-        } else {
-            projectData = this.serializer.serialize(this.stage);
-        }
-    }
-    SpriteMorph.prototype.initBlocks();
-    this.fixLayout();
-    if (this.loadNewProject) {
-        this.newProject();
-    } else {
-        this.openProjectString(projectData);
-    }
-    this.saveSetting('language', lang);
-    if (callback) {callback.call(this); }
-};
-
-// IDE_Morph synchronous Http data fetching
-
-IDE_Morph.prototype.getURL = function (url) {
-    var request = new XMLHttpRequest(),
-        myself = this;
-    try {
-        request.open('GET', url, false);
-        request.send();
-        if (request.status === 200) {
-            return request.responseText;
-        }
-        throw new Error('unable to retrieve ' + url);
-    } catch (err) {
-        myself.showMessage(err);
-        return;
-    }
-};
-
-IDE_Morph.prototype.getURLsbeOrRelative = function (url) {
-    var request = new XMLHttpRequest(),
-        myself = this;
-    try {
-        request.open('GET', 'http://snap.berkeley.edu/snapsource/' +
-                                           url, false);
-        request.send();
-        if (request.status === 200) {
-            return request.responseText;
-        }
-        return myself.getURL(url);
-    } catch (err) {
-        myself.showMessage(err);
-        return;
-    }
-};
-
-// IDE_Morph user dialog shortcuts
-
-IDE_Morph.prototype.showMessage = function (message, secs) {
-    var m = new MenuMorph(null, message),
-        intervalHandle;
-    m.popUpCenteredInWorld(this.world());
-    if (secs) {
-        intervalHandle = setInterval(function () {
-            m.destroy();
-            clearInterval(intervalHandle);
-        }, secs * 1000);
-    }
-    return m;
-};
-
-IDE_Morph.prototype.inform = function (title, message) {
-    new DialogBoxMorph().inform(
-        title,
-        localize(message),
-        this.world()
-    );
-};
-
-IDE_Morph.prototype.confirm = function (message, title, action) {
-    new DialogBoxMorph(null, action).askYesNo(
-        title,
-        localize(message),
-        this.world()
-    );
-};
-
-IDE_Morph.prototype.prompt = function (message, callback, choices, key) {
-    (new DialogBoxMorph(null, callback)).withKey(key).prompt(
-        message,
-        '',
-        this.world(),
-        null,
-        choices
-    );
-};