Refactor DisplayManager for admin field display rules centralization.

modules/ppcp-wc-gateway/resources/js/common/display-manager/condition/BaseCondition.js

@@ -0,0 +1,19 @@
+
+class BaseCondition {
+
+    constructor(config, triggerUpdate) {
+        this.config = config;
+        this.status = false;
+        this.triggerUpdate = triggerUpdate;
+    }
+
+    get key() {
+        return this.config.key;
+    }
+
+    register() {
+        // To override.
+    }
+}
+
+export default BaseCondition;

modules/ppcp-wc-gateway/resources/js/common/display-manager/condition/BoolCondition.js

@@ -0,0 +1,15 @@
+import BaseCondition from "./BaseCondition";
+
+class BoolCondition extends BaseCondition {
+
+    register() {
+        this.status = this.check();
+    }
+
+    check() {
+        return !! this.config.value;
+    }
+
+}
+
+export default BoolCondition;

modules/ppcp-wc-gateway/resources/js/common/display-manager/condition/ElementCondition.js

@@ -0,0 +1,27 @@
+import BaseCondition from "./BaseCondition";
+import {inputValue} from "../../../helper/form";
+
+class ElementCondition extends BaseCondition {
+
+    register() {
+        jQuery(document).on('change', this.config.selector, () => {
+            const status = this.check();
+            if (status !== this.status) {
+                this.status = status;
+                this.triggerUpdate();
+            }
+        });
+
+        this.status = this.check();
+    }
+
+    check() {
+        let value = inputValue(this.config.selector);
+        value = (value !== null ? value.toString() : value);
+
+        return this.config.value === value;
+    }
+
+}
+
+export default ElementCondition;