Add initial data export API.

interface/src/Application.cpp

@@ -30,6 +30,7 @@
 #include <QtCore/QMimeData>
 #include <QtCore/QThreadPool>
 #include <QtCore/QFileSelector>
+#include <QtCore/QSaveFile>
 #include <QtConcurrent/QtConcurrentRun>
 
 #include <QtGui/QClipboard>
@@ -51,7 +52,7 @@
 #include <QFontDatabase>
 #include <QProcessEnvironment>
 #include <QTemporaryDir>
-
+#include <QTextStream>
 
 #include <gl/QOpenGLContextWrapper.h>
 #include <gl/GLWindow.h>
@@ -5388,6 +5389,36 @@ ivec2 Application::getMouse() const {
     return getApplicationCompositor().getReticlePosition();
 }
 
+void Application::setInterfaceScriptDataPath(const QString& dataPath) {
+    interfaceScriptDataPath = dataPath;
+}
+
+bool Application::exportData(const QString& dataString) {
+    qCDebug(interfaceapp, "Saving data to file %s...", interfaceScriptDataPath);
+
+    QSaveFile persistFile(interfaceScriptDataPath);
+    bool success = false;
+    if (persistFile.open(QIODevice::WriteOnly)) {
+        if (persistFile.write(dataString.toUtf8()) != -1) {
+            success = persistFile.commit();
+            if (!success) {
+                qCritical() << "Failed to commit to text save file:" << persistFile.errorString();
+            }
+        } else {
+            qCritical("Failed to write to text file.");
+        }
+    } else {
+        qCritical("Failed to open text file for writing.");
+    }
+
+    if (success) {
+        // restore the main window's active state
+        _window->activateWindow();
+    }
+
+    return success;
+}
+
 bool Application::exportEntities(const QString& filename,
                                  const QVector<QUuid>& entityIDs,
                                  const glm::vec3* givenOffset) {
@@ -8712,7 +8743,7 @@ void Application::notifyPacketVersionMismatch() {
 }
 
 void Application::checkSkeleton() const {
-    if (getMyAvatar()->getSkeletonModel()->isLoaded() && !getMyAvatar()->getSkeletonModel()->hasSkeleton()) {
+    if (getMyAvatar()->getSkeletonModel()->isActive() && !getMyAvatar()->getSkeletonModel()->hasSkeleton()) {
         qCDebug(interfaceapp) << "MyAvatar model has no skeleton";
 
         QString message = "Your selected avatar body has no skeleton.\n\nThe default body will be loaded...";

interface/src/Application.h

@@ -251,6 +251,8 @@ class Application : public QApplication,
 
     void setActiveDisplayPlugin(const QString& pluginName);
 
+    void setInterfaceScriptDataPath(const QString& dataPath);
+
 #ifndef Q_OS_ANDROID
     FileLogger* getLogger() const { return _logger; }
 #endif
@@ -377,6 +379,7 @@ class Application : public QApplication,
 
 public slots:
     QVector<EntityItemID> pasteEntities(const QString& entityHostType, float x, float y, float z);
+    bool exportData(const QString& dataString);
     bool exportEntities(const QString& filename, const QVector<QUuid>& entityIDs, const glm::vec3* givenOffset = nullptr);
     bool exportEntities(const QString& filename, float x, float y, float z, float scale);
     bool importEntities(const QString& url, const bool isObservable = true, const qint64 callerId = -1);
@@ -708,6 +711,8 @@ private slots:
 
     bool _notifiedPacketVersionMismatchThisDomain;
 
+    QString interfaceScriptDataPath;
+
     ConditionalGuard _settingsGuard;
 
     GLCanvas* _glWidget{ nullptr };

interface/src/scripting/ClipboardScriptingInterface.cpp

@@ -3,6 +3,7 @@
 //  interface/src/scripting
 //
 //  Copyright 2014 High Fidelity, Inc.
+//  Copyright 2020 Vircadia contributors.
 //
 //  Distributed under the Apache License, Version 2.0.
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
@@ -25,6 +26,14 @@ float ClipboardScriptingInterface::getClipboardContentsLargestDimension() {
     return qApp->getEntityClipboard()->getContentsLargestDimension();
 }
 
+bool ClipboardScriptingInterface::exportData(const QString& dataString) {
+    bool retVal;
+    BLOCKING_INVOKE_METHOD(qApp, "exportData",
+                              Q_RETURN_ARG(bool, retVal),
+                              Q_ARG(const QString&, dataString));
+    return retVal;
+}
+
 bool ClipboardScriptingInterface::exportEntities(const QString& filename, const QVector<QUuid>& entityIDs) {
     bool retVal;
     BLOCKING_INVOKE_METHOD(qApp, "exportEntities",

interface/src/scripting/ClipboardScriptingInterface.h

@@ -3,6 +3,7 @@
 //  interface/src/scripting
 //
 //  Copyright 2014 High Fidelity, Inc.
+//  Copyright 2020 Vircadia contributors.
 //
 //  Distributed under the Apache License, Version 2.0.
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
@@ -112,6 +113,15 @@ class ClipboardScriptingInterface : public QObject {
     * @returns {boolean} <code>true</code> if entities were found and the file was written, otherwise <code>false</code>.
     */
     Q_INVOKABLE bool exportEntities(const QString& filename, float x, float y, float z, float scale);
+
+    /**jsdoc
+    * Export a string of data to a file path previously set by Window.setInterfaceD
+    * @function Clipboard.exportData
+    * @variation 0
+    * @param {string} data - The string of data to export. (If exporting JSON, use JSON.stringify() first.)
+    * @returns {boolean} <code>true</code> if the file was written, otherwise <code>false</code>.
+    */
+    Q_INVOKABLE bool exportData(const QString& dataString);
 
     /**jsdoc
      * Pastes the contents of the clipboard into the domain.

interface/src/scripting/WindowScriptingInterface.cpp

@@ -325,6 +325,19 @@ QScriptValue WindowScriptingInterface::save(const QString& title, const QString&
     return result.isEmpty() ? QScriptValue::NullValue : QScriptValue(result);
 }
 
+/// Display a save file dialog.  If `directory` is an invalid file or directory the browser will start at the current
+/// working directory.
+/// \param const QString& title title of the window
+/// \param const QString& directory directory to start the file browser at
+/// \param const QString& nameFilter filter to filter filenames by - see `QFileDialog`
+/// \return QScriptValue file path as a string if one was selected, otherwise `QScriptValue::NullValue`
+QScriptValue WindowScriptingInterface::setInterfaceScriptDataPath(const QString& title, const QString& directory, const QString& nameFilter) {
+    QScriptValue result = WindowScriptingInterface::save(title, directory, nameFilter);
+    QString resultString = result.toString();
+    qApp->setInterfaceScriptDataPath(resultString);
+    return resultString.isEmpty() ? QScriptValue::NullValue : result;
+}
+
 /// Display a save file dialog.  If `directory` is an invalid file or directory the browser will start at the current
 /// working directory.
 /// \param const QString& title title of the window
@@ -467,7 +480,7 @@ void WindowScriptingInterface::copyToClipboard(const QString& text) {
 
 
 bool WindowScriptingInterface::setDisplayTexture(const QString& name) {
-    return  qApp->getActiveDisplayPlugin()->setDisplayTexture(name);   // Plugins that don't know how, answer false.
+    return qApp->getActiveDisplayPlugin()->setDisplayTexture(name);   // Plugins that don't know how, answer false.
 }
 
 void WindowScriptingInterface::takeSnapshot(bool notify, bool includeAnimated, float aspectRatio, const QString& filename) {

interface/src/scripting/WindowScriptingInterface.h

@@ -221,6 +221,24 @@ public slots:
      */
     QScriptValue save(const QString& title = "", const QString& directory = "",  const QString& nameFilter = "");
 
+    /**jsdoc
+     * Prompts the user to specify the path and name of a file to use as the script data path. Displays a modal dialog that navigates the directory
+     * tree and allows the user to type in a file name.
+     * @function Window.setInterfaceScriptDataPath
+     * @param {string} [title=""] - The title to display at the top of the dialog.
+     * @param {string} [directory=""] - The initial directory to start browsing at.
+     * @param {string} [nameFilter=""] - The types of files to display. Examples: <code>"*.json"</code> and
+     *     <code>"Images (*.png *.jpg *.svg)"</code>. All files are displayed if a filter isn't specified.
+     * @returns {string} The path and name of the file if one is specified, otherwise <code>null</code>. If a single file type
+     *     is specified in the nameFilter, that file type extension is automatically appended to the result when appropriate.
+     * @example <caption>Ask the user to specify a file to save to.</caption>
+     * var filename = Window.setInterfaceScriptDataPath("Save to JSON file", Paths.resources, "*.json");
+     * print("File: " + filename);
+     */
+    QScriptValue setInterfaceScriptDataPath(const QString& title = "",
+                                            const QString& directory = "",
+                                            const QString& nameFilter = "");
+
     /**jsdoc
      * Prompts the user to specify the path and name of a file to save to. Displays a non-modal dialog that navigates the
      * directory tree and allows the user to type in a file name. A {@link Window.saveFileChanged|saveFileChanged} signal is