Merge branch 'patch-24' of https://github.com/TheBrokenRail/scratch-vm into feature/194

playground/index.html

@@ -52,9 +52,9 @@
             <button id="projectLoadButton">Load</button>
             <button id="createEmptyProject">New Project</button><br />
             <p>
-                <input type="button" value="Export to XML" onclick="toXml()">
+                <input type="button" value="Export to JSON" onclick="toJson()">
                 &nbsp;
-                <input type="button" value="Import from XML" onclick="fromXml()" id="import">
+                <input type="button" value="Import from JSON" onclick="fromJson()" id="import">
                 <br /><br />
                 <textarea id="importExport"></textarea>
             </p>
@@ -70,18 +70,17 @@
     <!-- Playground -->
     <script src="./playground.js"></script>
     <script>
-        function toXml() {
+        function toJson() {
             var output = document.getElementById('importExport');
-            var xml = Blockly.Xml.workspaceToDom(workspace);
-            output.value = Blockly.Xml.domToPrettyText(xml);
+            var json = window.vm.toPrettyJSON(workspace);
+            output.value = json;
             output.focus();
             output.select();
           }
 
-          function fromXml() {
+          function fromJson() {
             var input = document.getElementById('importExport');
-            var xml = Blockly.Xml.textToDom(input.value);
-            Blockly.Xml.domToWorkspace(workspace, xml);
+            window.vm.fromJSON(input.value);
           }
     </script>
 </body>

src/index.js

@@ -1,6 +1,7 @@
 var EventEmitter = require('events');
 var util = require('util');
-
+var Blocks = require('./engine/blocks');
+var Sprite = require('./sprites/sprite');
 var Runtime = require('./engine/runtime');
 var sb2import = require('./import/sb2import');
 
@@ -154,6 +155,99 @@ VirtualMachine.prototype.loadProject = function (json) {
     this.runtime.setEditingTarget(this.editingTarget);
 };
 
+VirtualMachine.prototype.toPrettyJSON = function (testing) {
+    this.runtime.targets.testing = testing;
+    var json = JSON.stringify(this.toJSON(), null, 4);
+    this.runtime.targets.testing = false;
+    if (testing == true) {
+        console.log('Exported To JSON');
+    }
+    return json;
+};
+
+VirtualMachine.prototype.toJSON = function () {
+    if (this.runtime.targets.hasOwnProperty('testing') == false) {
+        this.runtime.targets.testing = false;
+    }
+    var obj = new Object();
+    obj.sprites = this.runtime.targets;
+    obj.meta = new Object();
+    obj.meta.name = 'WIP';
+    obj.meta.useragent = navigator.userAgent;
+    return obj;
+};
+
+VirtualMachine.prototype.fromJSON = function (json, testing) {
+    this.clear();
+    if (testing == true) {
+        console.log('Importing JSON');
+    }
+    var obj = JSON.parse(json);
+    var i = 0;
+    for (; i < obj.sprites.length; i++) {
+        var blocks = new Blocks();
+        var z = null;
+        for (z in obj.sprites[i].sprite.blocks) {
+            blocks[z] = obj.sprites[i].sprite.blocks[z];
+            if (testing == true) {
+                console.log('Importing ' + z + ' to Blocks');
+            }
+        }
+        var sprite = new Sprite(blocks, this.runtime);
+        var y = null;
+        for (y in obj.sprites[i].sprite) {
+            if (y === 'blocks') {
+                continue;
+            }
+            sprite[y] = obj.sprites[i].sprite[y];
+            if (testing == true) {
+                console.log('Importing ' + y + ' to Sprite');
+            }
+        }
+        var target = sprite.createClone();
+        this.runtime.targets.push(target);
+        var x = null;
+        for (x in obj.sprites[i]) {
+            if (x === 'sprite') {
+                continue;
+            }
+            target[x] = obj.sprites[i][x];
+            console.log('Importing ' + x + ' to Rendered Target');
+        }
+        target.updateAllDrawablePropertie();
+    }
+    this.editingTarget = this.runtime.targets[0];
+    // Update the VM user's knowledge of targets and blocks on the workspace.
+    this.emitTargetsUpdate();
+    this.emitWorkspaceUpdate();
+    this.runtime.setEditingTarget(this.editingTarget);
+    if (testing == true) {
+        console.log('Imported from JSON');
+    }
+};
+
+VirtualMachine.prototype.testJSON = function () {
+    console.log('Exporting to JSON...');
+    var json = this.toPrettyJSON(true);
+    console.log('Importing from JSON...');
+    this.fromJSON(json, true);
+    console.log('Exporting to JSON...');
+    var json2 = this.toPrettyJSON(true);
+    if (json == json2) {
+        console.log('JSON Test: Successful');
+    } else {
+        console.log('JSON Test: Failed: JSON Not Equivalent');
+        console.log('JSON 1:');
+        console.log(json);
+        console.log('JSON 2:');
+        console.log(json2);
+    }
+    this.editingTarget = this.runtime.targets[0];
+    this.emitTargetsUpdate();
+    this.emitWorkspaceUpdate();
+    this.runtime.setEditingTarget(this.editingTarget);
+};
+
 /**
  * Add a single sprite from the "Sprite2" (i.e., SB2 sprite) format.
  * @param {?string} json JSON string representing the sprite.

src/sprites/rendered-target.js

@@ -64,6 +64,30 @@ RenderedTarget.prototype.initDrawable = function () {
     }
 };
 
+RenderedTarget.prototype.toJSON = function () {
+    var result = new Object();
+    var notSaved = ['renderer', 'effects', 'sprite', 'drawableID', 'runtime', 'id', 'blocks'];
+    var x = null;
+    for (x in this) {
+        if (typeof this[x] === 'function') {
+            continue;
+            if (this.runtime.targets.testing == true) {
+                console.log('Ignoring ' + x);
+            }
+        }
+        if (notSaved.indexOf(x) === -1) {
+            if (this.runtime.targets.testing == true) {
+                console.log('Exporting ' + x);
+            }
+            result[x] = this[x];
+        } else if (this.runtime.targets.testing == true) {
+            console.log('Ignoring ' + x);
+        }
+    }
+    result.sprite = this.sprite.export();
+    return result;
+};
+
 /**
  * Whether this represents an "original" non-clone rendered-target for a sprite,
  * i.e., created by the editor and not clone blocks.

src/sprites/sprite.js

@@ -54,4 +54,27 @@ Sprite.prototype.createClone = function () {
     return newClone;
 };
 
+Sprite.prototype.export = function () {
+    var result = new Object();
+    var notSaved = ['clones', 'runtime'];
+    var x = null;
+    for (x in this) {
+        if (typeof this[x] === 'function') {
+            continue;
+            if (this.runtime.targets.testing == true) {
+                console.log('Ignoring ' + x);
+            }
+        }
+        if (notSaved.indexOf(x) === -1) {
+            result[x] = this[x];
+            if (this.runtime.targets.testing == true) {
+                console.log('Exporting ' + x);
+            }
+        } else if (this.runtime.targets.testing == true) {
+            console.log('Ignoring ' + x);
+        }
+    }
+    return result;
+};
+
 module.exports = Sprite;