Use gdx ClassReflection methods so inGameConsole can be used with gwt…

… backend (#59)

* Use gdx ClassReflection methods so console can be used with gwt backend

(cherry picked from commit 2096276)

* Revert changes to overridden scrolled method to work with libgdx 1.9.9

src/com/strongjoshua/console/ConsoleContext.java

@@ -10,6 +10,7 @@
 import com.badlogic.gdx.scenes.scene2d.ui.Skin;
 import com.badlogic.gdx.scenes.scene2d.ui.Table;
 import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
+import com.badlogic.gdx.utils.reflect.ClassReflection;
 
 public class ConsoleContext {
 	private Table root;
@@ -18,15 +19,17 @@ public class ConsoleContext {
 
 	ConsoleContext (Class<? extends Table> tableClass, Class<? extends Label> labelClass, Skin skin, String background) {
 		try {
-			root = tableClass.newInstance();
+			root = ClassReflection.newInstance(tableClass);
 		} catch (Exception e) {
 			throw new RuntimeException("Table class does not support empty constructor.");
 		}
 		try {
-			copy = labelClass.getConstructor(CharSequence.class, Skin.class).newInstance("Copy", skin);
+			copy = (Label) ClassReflection.getConstructor(labelClass, CharSequence.class, Skin.class)
+					.newInstance("Copy", skin);
 		} catch (Exception e) {
 			try {
-				copy = labelClass.getConstructor(CharSequence.class).newInstance("Copy");
+				copy = (Label) ClassReflection.getConstructor(labelClass, CharSequence.class)
+						.newInstance("Copy");
 			} catch (Exception e2) {
 				throw new RuntimeException(
 					"Label class does not support either (<CharSequence>, <Skin>) or (<CharSequence>) constructors.");

src/com/strongjoshua/console/ConsoleUtils.java

@@ -33,12 +33,10 @@ public static String exceptionToString (final Throwable throwable) {
 		Throwable cause = throwable;
 
 		while (cause != null) {
-			if (result.length() == 0) {
-				result.append("\nException in thread \"").append(Thread.currentThread().getName()).append("\" ");
-			} else {
-				result.append("\nCaused by: ");
-			}
-			result.append(cause.getClass().getCanonicalName()).append(": ").append(cause.getMessage());
+			result.append("\nCaused by: ")
+					.append(cause.getClass().getCanonicalName())
+					.append(": ")
+					.append(cause.getMessage());
 
 			for (final StackTraceElement traceElement : cause.getStackTrace()) {
 				result.append("\n\tat ").append(traceElement.toString());

src/com/strongjoshua/console/GUIConsole.java

@@ -30,6 +30,7 @@
 import com.badlogic.gdx.scenes.scene2d.utils.Drawable;
 import com.badlogic.gdx.utils.Array;
 import com.badlogic.gdx.utils.SnapshotArray;
+import com.badlogic.gdx.utils.reflect.ClassReflection;
 
 /**
  * A simple console that allows live logging, and live execution of methods, from within an application. Please see the <a
@@ -159,10 +160,12 @@ public GUIConsole (Skin skin, boolean useMultiplexer, int keyID, Class<? extends
 		display.showSubmit(false);
 
 		try {
-			consoleWindow = windowClass.getConstructor(String.class, Skin.class).newInstance("Console", skin);
+			consoleWindow = (Window) ClassReflection.getConstructor(Window.class, String.class, Skin.class)
+					.newInstance("Console", skin);
 		} catch (Exception e) {
 			try {
-				consoleWindow = windowClass.getConstructor(String.class).newInstance("Console");
+				consoleWindow = (Window) ClassReflection.getConstructor(Window.class, String.class)
+						.newInstance("Console");
 			} catch (Exception e2) {
 				throw new RuntimeException("Window class does not support either (<String>, <Skin>) or (<String>) constructors.");
 			}
@@ -410,7 +413,7 @@ private class ConsoleDisplay {
 
 		ConsoleDisplay (Skin skin) {
 			try {
-				root = tableClass.newInstance();
+				root = ClassReflection.newInstance(tableClass);
 			} catch (Exception e) {
 				throw new RuntimeException("Table class does not support empty constructor.");
 			}
@@ -428,23 +431,26 @@ private class ConsoleDisplay {
 			labels = new Array<Label>();
 
 			try {
-				logEntries = tableClass.newInstance();
+				logEntries = ClassReflection.newInstance(tableClass);
 			} catch (Exception e) {
 				throw new RuntimeException("Table class does not support empty constructor.");
 			}
 
 			try {
-				input = textFieldClass.getConstructor(String.class, TextFieldStyle.class).newInstance("", tfs);
+				input = (TextField) ClassReflection.getConstructor(textFieldClass, String.class, TextFieldStyle.class)
+						.newInstance("", tfs);
 			} catch (Exception e) {
 				throw new RuntimeException("TextField class does not support (<String>, <Skin>) constructor.");
 			}
 			input.setTextFieldListener(new FieldListener());
 
 			try {
-				submit = textButtonClass.getConstructor(String.class, Skin.class).newInstance("Submit", skin);
+				submit = (TextButton) ClassReflection.getConstructor(textButtonClass, String.class, Skin.class)
+						.newInstance("Submit", skin);
 			} catch (Exception e) {
 				try {
-					submit = textButtonClass.getConstructor(String.class).newInstance("Submit");
+					submit = (TextButton) ClassReflection.getConstructor(textButtonClass, String.class)
+							.newInstance("Submit");
 				} catch (Exception e2) {
 					throw new RuntimeException(
 						"TextButton class does not support either (<String>, <Skin>) or (<String>) constructors.");
@@ -457,10 +463,12 @@ private class ConsoleDisplay {
 			});
 
 			try {
-				scroll = scrollPaneClass.getConstructor(Actor.class, Skin.class).newInstance(logEntries, skin);
+				scroll = (ScrollPane) ClassReflection.getConstructor(scrollPaneClass, Actor.class, Skin.class)
+						.newInstance(logEntries, skin);
 			} catch (Exception e) {
 				try {
-					scroll = scrollPaneClass.getConstructor(Actor.class).newInstance(logEntries);
+					scroll = (ScrollPane) ClassReflection.getConstructor(scrollPaneClass, Actor.class)
+							.newInstance(logEntries);
 				} catch (Exception e2) {
 					throw new RuntimeException(
 						"ScrollPane class does not support either (<Actor>, <Skin>) or (<Actor>) constructors.");
@@ -497,12 +505,12 @@ void refresh () {
 					l = labels.get(i);
 				} else {
 					try {
-						l = labelClass.getConstructor(CharSequence.class, Skin.class, String.class, Color.class)
-							.newInstance("", skin, fontName, LogLevel.DEFAULT.getColor());
+						l = (Label) ClassReflection.getConstructor(labelClass, CharSequence.class, Skin.class, String.class, Color.class)
+								.newInstance("", skin, fontName, LogLevel.DEFAULT.getColor());
 					} catch (Exception e) {
 						try {
-							l = labelClass.getConstructor(CharSequence.class, String.class, Color.class)
-								.newInstance("", fontName, LogLevel.DEFAULT.getColor());
+							l = (Label) ClassReflection.getConstructor(labelClass, CharSequence.class, String.class, Color.class)
+									.newInstance("", fontName, LogLevel.DEFAULT.getColor());
 						} catch (Exception e2) {
 							throw new RuntimeException(
 								"Label class does not support either (<String>, <Skin>, <String>, <Color>) or (<String>, <String>, <Color>) constructors.");