Fixes for flat customization GUI layout - insets & make top label centered

Author: Niko-sk2x

src/main/java/io/github/opencubicchunks/cubicchunks/cubicgen/common/gui/FlatCubicGui.java

@@ -32,14 +32,12 @@
 import io.github.opencubicchunks.cubicchunks.cubicgen.preset.FlatGeneratorSettings;
 import io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.component.UIBorderLayout;
 import io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.component.UIColoredPanel;
-import io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.component.UIMultilineLabel;
 import io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.component.UITabbedContainer;
 import mcp.MethodsReturnNonnullByDefault;
 import net.malisis.core.client.gui.Anchor;
 import net.malisis.core.client.gui.MalisisGui;
 import net.malisis.core.client.gui.component.UIComponent;
 import net.malisis.core.client.gui.component.container.UIContainer;
-import net.malisis.core.renderer.font.FontOptions;
 import net.minecraft.client.gui.GuiCreateWorld;
 
 import javax.annotation.ParametersAreNonnullByDefault;
@@ -104,6 +102,7 @@ private UITabbedContainer makeTabContainer() {
         done.setWidth(BTN_WIDTH);
 
         CwgGuiLabel label = label();
+        label.setCentered();
 
         UIBorderLayout upperLayout = new UIBorderLayout(this)
                 .setSize(xSize, ySize)

src/main/java/io/github/opencubicchunks/cubicchunks/cubicgen/common/gui/FlatLayersTab.java

@@ -50,8 +50,8 @@ public class FlatLayersTab implements Comparator<UIFlatTerrainLayer> {
     FlatLayersTab(FlatCubicGui guiFor, FlatGeneratorSettings settings1) {
         this.settings = settings1;
         this.gui = guiFor;
-        int i = settings.layers.entrySet().size();
-        uiLayersList = new ArrayList<UIFlatTerrainLayer>(i);
+        int i = settings.layers.size();
+        uiLayersList = new ArrayList<>(i);
         for (Entry<Integer, FlatLayer> entry : settings.layers.entrySet()) {
             UIFlatTerrainLayer uiLayer = new UIFlatTerrainLayer(gui, this, entry.getValue());
             uiLayersList.add(uiLayer);

src/main/java/io/github/opencubicchunks/cubicchunks/cubicgen/common/gui/component/UIFlatTerrainLayer.java

@@ -33,6 +33,8 @@
 import static io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.CwgGuiFactory.label;
 import static io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.CwgGuiFactory.separator;
 import static io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.CwgGuiFactory.wrap;
+import static io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.FlatLayersTab.HORIZONTAL_INSETS;
+import static io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.FlatLayersTab.VERTICAL_INSETS;
 
 import io.github.opencubicchunks.cubicchunks.cubicgen.preset.FlatLayer;
 import io.github.opencubicchunks.cubicchunks.cubicgen.common.gui.FlatCubicGui;
@@ -58,6 +60,7 @@ public final class UIFlatTerrainLayer extends UIVerticalTableLayout<UIFlatTerrai
 
     public UIFlatTerrainLayer(FlatCubicGui guiFor, FlatLayersTab flatLayersTabFor, FlatLayer layer) {
         super(guiFor, 2);
+        setInsets(VERTICAL_INSETS, VERTICAL_INSETS, HORIZONTAL_INSETS, HORIZONTAL_INSETS);
         this.flatLayersTab = flatLayersTabFor;
         this.gui = guiFor;