133 lines
4.4 KiB
Java
133 lines
4.4 KiB
Java
package io.gitlab.jfronny.inceptum.gtk.menu;
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import io.gitlab.jfronny.commons.throwable.ThrowingRunnable;
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import io.gitlab.jfronny.inceptum.common.Utils;
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import io.gitlab.jfronny.inceptum.gtk.util.I18n;
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import org.gtk.gio.MenuItem;
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import org.gtk.gio.*;
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import org.gtk.glib.Variant;
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import org.gtk.glib.VariantType;
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import org.gtk.gtk.Application;
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import org.gtk.gtk.PopoverMenu;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.function.BiFunction;
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import java.util.function.Consumer;
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public class MenuBuilder {
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private static final Object LOCK = new Object();
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private static Menu getRootMenu(Application app) {
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synchronized (LOCK) {
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var currentMenu = app.menubar;
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if (currentMenu == null) {
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var menu = new Menu();
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app.menubar = menu;
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return menu;
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} else {
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return (Menu) currentMenu;
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}
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}
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}
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private final ActionMap map;
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private final Map<String, Action> refs = new LinkedHashMap<>();
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private final Menu menu;
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private final String prefix;
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public MenuBuilder(Application app) {
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this(app, getRootMenu(app), "");
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}
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public MenuBuilder(ActionMap map, Menu menu, String prefix) {
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if (!prefix.isEmpty() && !prefix.endsWith(".")) prefix += ".";
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this.map = Objects.requireNonNull(map);
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this.menu = Objects.requireNonNull(menu);
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this.prefix = Objects.requireNonNull(prefix);
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}
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public ButtonItem button(String name, ThrowingRunnable<?> onClick) {
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return literalButton(name, I18n.get("menu." + prefix + name), onClick);
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}
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public ButtonItem literalButton(String internalName, String label, ThrowingRunnable<?> onClick) {
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internalName = prefix + internalName;
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SimpleAction sAct = new SimpleAction(internalName, null);
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addAction(internalName, sAct);
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sAct.onActivate(variant -> {
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try {
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onClick.run();
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} catch (Throwable e) {
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Utils.LOGGER.error("Could not execute action", e);
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}
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});
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menu.appendItem(new MenuItem(label, "app." + internalName));
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return new ButtonItem(sAct);
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}
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public ToggleItem toggle(String name, boolean initial, Consumer<Boolean> action) {
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name = prefix + name;
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SimpleAction sAct = SimpleAction.newStateful(name, null, Variant.newBoolean(initial));
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addAction(name, sAct);
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sAct.onActivate(variant -> {
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boolean state = !sAct.getState().getBoolean();
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sAct.state = Variant.newBoolean(state);
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action.accept(state);
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});
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menu.appendItem(new MenuItem(I18n.get("menu." + name), "app." + name));
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return new ToggleItem(sAct);
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}
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public <T> RadioItem<T> radio(String name, T initial, List<T> options, Consumer<T> action) {
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return literalRadio(name, initial, options, (i, t) -> I18n.get("menu." + name, i), action);
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}
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public <T> RadioItem<T> literalRadio(String name, T initial, List<T> options, BiFunction<Integer, T, String> stringifier, Consumer<T> action) {
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Objects.requireNonNull(options);
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name = prefix + name;
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SimpleAction sAct = SimpleAction.newStateful(name, new VariantType("i"), Variant.newInt32(options.indexOf(initial)));
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addAction(name, sAct);
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sAct.onActivate(variant -> {
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sAct.state = variant;
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action.accept(options.get(variant.getInt32()));
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});
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int i = 0;
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for (T option : options) {
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menu.appendItem(new MenuItem(stringifier.apply(i, option), "app." + name + "(" + i + ")"));
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i++;
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}
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return new RadioItem<>(sAct, options);
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}
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public MenuBuilder submenu(String name) {
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name = prefix + name;
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Menu submenu = new Menu();
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menu.appendSubmenu(I18n.get("menu." + name), submenu);
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return new MenuBuilder(map, submenu, name);
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}
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public void clear() {
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menu.removeAll();
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refs.forEach((name, action) -> {
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map.removeAction(name);
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});
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refs.clear();
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}
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private void addAction(String name, SimpleAction action) {
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map.addAction(action);
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refs.put(name, action);
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}
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public Menu getMenu() {
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return menu;
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}
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public PopoverMenu asPopover() {
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return PopoverMenu.newFromModel(menu);
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}
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}
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