launcher improvements

src/public/app/widgets/buttons/command_button.js

@@ -0,0 +1,54 @@
+import keyboardActionsService from "../../services/keyboard_actions.js";
+import AbstractButtonWidget from "./abstract_button.js";
+
+let actions;
+
+keyboardActionsService.getActions().then(as => actions = as);
+
+export default class CommandButtonWidget extends AbstractButtonWidget {
+    doRender() {
+        super.doRender();
+
+        if (this.settings.command) {
+            this.$widget.on("click", () => {
+                this.$widget.tooltip("hide");
+
+                this.triggerCommand(this._command);
+            });
+        } else {
+            console.warn(`Button widget '${this.componentId}' has no defined command`, this.settings);
+        }
+    }
+
+    getTitle() {
+        const title = super.getTitle();
+
+        const action = actions.find(act => act.actionName === this._command);
+
+        if (action && action.effectiveShortcuts.length > 0) {
+            return `${title} (${action.effectiveShortcuts.join(", ")})`;
+        } else {
+            return title;
+        }
+    }
+
+    onClick(handler) {
+        this.settings.onClick = handler;
+        return this;
+    }
+
+    /**
+     * @param {function|string} command
+     * @returns {CommandButtonWidget}
+     */
+    command(command) {
+        this.settings.command = command;
+        return this;
+    }
+
+    get _command() {
+        return typeof this.settings.command === "function"
+            ? this.settings.command()
+            : this.settings.command;
+    }
+}