Add online (aka ReplayCenter) module

Add localization extra (formally known as LocalizedResourcePack)
Add version checker extra

src/main/java/com/replaymod/online/handler/GuiHandler.java

@@ -0,0 +1,94 @@
+package com.replaymod.online.handler;
+
+import com.replaymod.online.ReplayModOnline;
+import com.replaymod.online.gui.GuiLoginPrompt;
+import com.replaymod.online.gui.GuiReplayCenter;
+import com.replaymod.online.gui.GuiUploadFile;
+import com.replaymod.replay.gui.screen.GuiReplayViewer;
+import de.johni0702.minecraft.gui.container.AbstractGuiScreen;
+import de.johni0702.minecraft.gui.container.GuiPanel;
+import de.johni0702.minecraft.gui.container.GuiScreen;
+import de.johni0702.minecraft.gui.element.GuiElement;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiMainMenu;
+import net.minecraft.client.resources.I18n;
+import net.minecraftforge.client.event.GuiScreenEvent;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.fml.common.FMLCommonHandler;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+
+import java.io.File;
+import java.util.List;
+
+public class GuiHandler {
+    private static final int BUTTON_REPLAY_CENTER = 17890236;
+
+    private static final Minecraft mc = Minecraft.getMinecraft();
+
+    private final ReplayModOnline mod;
+
+    public GuiHandler(ReplayModOnline mod) {
+        this.mod = mod;
+    }
+
+    public void register() {
+        FMLCommonHandler.instance().bus().register(this);
+        MinecraftForge.EVENT_BUS.register(this);
+    }
+
+    @SubscribeEvent
+    public void injectIntoMainMenu(GuiScreenEvent.InitGuiEvent event) {
+        if (!(event.gui instanceof GuiMainMenu)) {
+            return;
+        }
+
+        @SuppressWarnings("unchecked")
+        List<GuiButton> buttonList = event.buttonList;
+        GuiButton button = new GuiButton(BUTTON_REPLAY_CENTER, event.gui.width / 2 - 100,
+                event.gui.height / 4 + 10 + 4 * 24, I18n.format("replaymod.gui.replaycenter"));
+        buttonList.add(button);
+    }
+
+    @SubscribeEvent
+    public void injectIntoReplayViewer(GuiScreenEvent.InitGuiEvent.Post event) {
+        AbstractGuiScreen guiScreen = GuiScreen.from(event.gui);
+        if (!(guiScreen instanceof GuiReplayViewer)) {
+            return;
+        }
+        final GuiReplayViewer replayViewer = (GuiReplayViewer) guiScreen;
+        // Inject Upload button
+        for (GuiElement element : replayViewer.replayButtonPanel.getChildren()) {
+            if (element instanceof GuiPanel && (((GuiPanel) element).getChildren().isEmpty())) {
+                new de.johni0702.minecraft.gui.element.GuiButton((GuiPanel) element).onClick(new Runnable() {
+                    @Override
+                    public void run() {
+                        File replayFile = replayViewer.list.getSelected().file;
+                        GuiUploadFile uploadGui = new GuiUploadFile(mod.getApiClient(), replayFile, replayViewer);
+                        if (mod.isLoggedIn()) {
+                            mc.displayGuiScreen(uploadGui);
+                        } else {
+                            new GuiLoginPrompt(mod.getApiClient(), replayViewer, GuiScreen.wrap(uploadGui), true);
+                        }
+                    }
+                }).setSize(73, 20).setI18nLabel("replaymod.gui.upload").setDisabled();
+            }
+        }
+    }
+
+    @SubscribeEvent
+    public void onButton(GuiScreenEvent.ActionPerformedEvent.Pre event) {
+        if(!event.button.enabled) return;
+
+        if (event.gui instanceof GuiMainMenu) {
+            if (event.button.id == BUTTON_REPLAY_CENTER) {
+                GuiReplayCenter replayCenter = new GuiReplayCenter(mod);
+                if (mod.isLoggedIn()) {
+                    replayCenter.display();
+                } else {
+                    new GuiLoginPrompt(mod.getApiClient(), GuiScreen.wrap(event.gui), replayCenter, true).display();
+                }
+            }
+        }
+    }
+}