From c44aa2a20446720735824c5a963b15e758f1351e Mon Sep 17 00:00:00 2001
From: Jens Langhammer <jens.langhammer@beryju.org>
Date: Sat, 10 Apr 2021 20:13:35 +0200
Subject: [PATCH] web/elements: add TableModal for selecting objects in a modal

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
---
 web/src/elements/buttons/ModalButton.ts | 36 +++++------
 web/src/elements/table/TableModal.ts    | 80 +++++++++++++++++++++++++
 2 files changed, 98 insertions(+), 18 deletions(-)
 create mode 100644 web/src/elements/table/TableModal.ts

diff --git a/web/src/elements/buttons/ModalButton.ts b/web/src/elements/buttons/ModalButton.ts
index dc58f8e4b..e552ef617 100644
--- a/web/src/elements/buttons/ModalButton.ts
+++ b/web/src/elements/buttons/ModalButton.ts
@@ -13,6 +13,23 @@ import PFContent from "@patternfly/patternfly/components/Content/content.css";
 import AKGlobal from "../../authentik.css";
 import { PFSize } from "../Spinner";
 
+export const MODAL_BUTTON_STYLES = css`
+    :host {
+        text-align: left;
+        font-size: var(--pf-global--FontSize--md);
+    }
+    .pf-c-modal-box.pf-m-lg {
+        overflow-y: auto;
+    }
+    .pf-c-modal-box > .pf-c-button + * {
+        margin-right: 0;
+    }
+    /* fix multiple selects height */
+    select[multiple] {
+        height: 15em;
+    }
+`;
+
 @customElement("ak-modal-button")
 export class ModalButton extends LitElement {
     @property()
@@ -22,24 +39,7 @@ export class ModalButton extends LitElement {
     open = false;
 
     static get styles(): CSSResult[] {
-        return [PFBase, PFButton, PFModalBox, PFForm, PFFormControl, PFBullseye, PFBackdrop, PFPage, PFStack, PFCard, PFContent, AKGlobal].concat(
-            css`
-                :host {
-                    text-align: left;
-                    font-size: var(--pf-global--FontSize--md);
-                }
-                .pf-c-modal-box.pf-m-lg {
-                    overflow-y: auto;
-                }
-                .pf-c-modal-box > .pf-c-button + * {
-                    margin-right: 0;
-                }
-                /* fix multiple selects height */
-                select[multiple] {
-                    height: 15em;
-                }
-            `
-        );
+        return [PFBase, PFButton, PFModalBox, PFForm, PFFormControl, PFBullseye, PFBackdrop, PFPage, PFStack, PFCard, PFContent, AKGlobal, MODAL_BUTTON_STYLES];
     }
 
     constructor() {
diff --git a/web/src/elements/table/TableModal.ts b/web/src/elements/table/TableModal.ts
new file mode 100644
index 000000000..9dc614608
--- /dev/null
+++ b/web/src/elements/table/TableModal.ts
@@ -0,0 +1,80 @@
+import { CSSResult, LitElement, property } from "lit-element";
+import { html, TemplateResult } from "lit-html";
+import { Table } from "./Table";
+import PFModalBox from "@patternfly/patternfly/components/ModalBox/modal-box.css";
+import PFBullseye from "@patternfly/patternfly/layouts/Bullseye/bullseye.css";
+import PFBackdrop from "@patternfly/patternfly/components/Backdrop/backdrop.css";
+import PFStack from "@patternfly/patternfly/layouts/Stack/stack.css";
+import PFPage from "@patternfly/patternfly/components/Page/page.css";
+import PFContent from "@patternfly/patternfly/components/Content/content.css";
+import AKGlobal from "../../authentik.css";
+import { PFSize } from "../Spinner";
+import { MODAL_BUTTON_STYLES } from "../buttons/ModalButton";
+
+export abstract class TableModal<T> extends Table<T> {
+    @property()
+    size: PFSize = PFSize.Large;
+
+    @property({ type: Boolean })
+    open = false;
+
+    static get styles(): CSSResult[] {
+        return super.styles.concat(PFModalBox, PFBullseye, PFContent, PFBackdrop, PFPage, PFStack, AKGlobal, MODAL_BUTTON_STYLES);
+    }
+
+    constructor() {
+        super();
+        window.addEventListener("keyup", (e) => {
+            if (e.code === "Escape") {
+                this.resetForms();
+                this.open = false;
+            }
+        });
+    }
+
+    resetForms(): void {
+        this.querySelectorAll<HTMLFormElement>("[slot=form]").forEach(form => {
+            form.reset();
+        });
+    }
+
+    onClick(): void {
+        this.open = true;
+        this.querySelectorAll("*").forEach(child => {
+            if ("requestUpdate" in child) {
+                (child as LitElement).requestUpdate();
+            }
+        });
+    }
+
+    renderModalInner(): TemplateResult {
+        return this.renderTable();
+    }
+
+    renderModal(): TemplateResult {
+        return html`<div class="pf-c-backdrop">
+            <div class="pf-l-bullseye">
+                <div
+                    class="pf-c-modal-box ${this.size}"
+                    role="dialog"
+                    aria-modal="true"
+                >
+                    <button
+                        @click=${() => (this.open = false)}
+                        class="pf-c-button pf-m-plain"
+                        type="button"
+                        aria-label="Close dialog"
+                    >
+                        <i class="fas fa-times" aria-hidden="true"></i>
+                    </button>
+                    ${this.renderModalInner()}
+                </div>
+            </div>
+        </div>`;
+    }
+
+    render(): TemplateResult {
+        return html` <slot name="trigger" @click=${() => this.onClick()}></slot>
+            ${this.open ? this.renderModal() : ""}`;
+    }
+}