feildmaster · web-flow · commit 926ef61ba31b · 2016-10-23T15:47:33.000-05:00
diff --git a/utilities.js b/utilities.js
@@ -0,0 +1,86 @@
+// Utilities for undercards.js
+function debug() {
+    if (localStorage.getItem("debugging") !== "true") return;
+    console.log.apply(console, arguments);
+}
+var fn = { // Not used
+    each: function(o, f, t) {
+        if (!o) return;
+        Object.keys(o).forEach(function(x) {
+            if (!o[x]) return;
+            f.call(t, o[x], x, o); // "this", value, key, object
+        });
+    },
+};
+class Hotkey {
+    constructor(name) {
+        this.name = name;
+        this.keys = [];
+        this.clicks = [];
+        this.fn = null;
+    }
+
+    _has(x, a) {
+        var h = false;
+        a.some(function (v, i) {
+            //if (v === x) h = i;
+            return h = v === x;
+        });
+        return h;
+    }
+
+    _del(x, a) {
+        a.some(function (v, i) {
+            if (x === v) {
+                a.splice(i, 1);
+                return true;
+            }
+            return false;
+        });
+    }
+
+    bindKey(x) {
+        if (!this.keybound(x)) {
+            this.keys.push(x);
+        }
+        return this;
+    }
+
+    unbindKey(x) {
+        this._del(x, this.keys);
+        return this;
+    }
+
+    keybound(x) {
+        return this._has(x, this.keys);
+    }
+
+    bindClick(x) {
+        if (!this.clickbound(x)) {
+            this.clicks.push(x);
+        }
+        return this;
+    }
+
+    unbindClick(x) {
+        this._del(x, this.clicks);
+        return this;
+    }
+
+    clickbound(x) {
+        return this._has(x, this.clicks);
+    }
+
+    run(x) {
+        if (typeof x === "function") { // Set the function
+            this.fn = x;
+            return this; // Allow inline constructing
+        } else if (this.fn) { // All clear (x is the event)
+            this.fn(x);
+        }
+    }
+
+    toString() {
+        return `${this.name || "Hotkey"}: Bind{Keys:${JSON.stringify(this.keys)}, Clicks:${JSON.stringify(this.clicks)}}, FN:${this.fn!==null}`;
+    }
+}
