From 2cdb5421124c6d97fda0306ece9657e27cfbd770 Mon Sep 17 00:00:00 2001
From: Bram Kragten <mail@bramkragten.nl>
Date: Tue, 11 Dec 2018 19:38:57 +0100
Subject: [PATCH] Add move card to view (#2262)

* Add move card to view

* Fix style

* Fix style and tests

* last style change

* update tests
---
 .../lovelace/components/hui-card-options.ts   | 44 ++++++++++-
 src/panels/lovelace/editor/config-util.ts     | 38 +++++++++
 .../lovelace/editor/config-util.spec.ts       | 79 ++++++++++++++++++-
 3 files changed, 159 insertions(+), 2 deletions(-)

diff --git a/src/panels/lovelace/components/hui-card-options.ts b/src/panels/lovelace/components/hui-card-options.ts
index 53a8ee0ea9..26c0d4b707 100644
--- a/src/panels/lovelace/components/hui-card-options.ts
+++ b/src/panels/lovelace/components/hui-card-options.ts
@@ -1,6 +1,8 @@
 import { html, LitElement, PropertyDeclarations } from "@polymer/lit-element";
 import "@polymer/paper-button/paper-button";
+import "@polymer/paper-menu-button/paper-menu-button";
 import "@polymer/paper-icon-button/paper-icon-button";
+import "@polymer/paper-listbox/paper-listbox";
 import { showEditCardDialog } from "../editor/card-editor/show-edit-card-dialog";
 
 import { hassLocalizeLitMixin } from "../../../mixins/lit-localize-mixin";
@@ -8,7 +10,7 @@ import { confDeleteCard } from "../editor/delete-card";
 import { HomeAssistant } from "../../../types";
 import { LovelaceCardConfig } from "../../../data/lovelace";
 import { Lovelace } from "../types";
-import { swapCard } from "../editor/config-util";
+import { swapCard, moveCard } from "../editor/config-util";
 
 export class HuiCardOptions extends hassLocalizeLitMixin(LitElement) {
   public cardConfig?: LovelaceCardConfig;
@@ -35,10 +37,19 @@ export class HuiCardOptions extends hassLocalizeLitMixin(LitElement) {
           color: var(--primary-color);
           font-weight: 500;
         }
+        paper-icon-button {
+          color: var(--primary-text-color);
+        }
         paper-icon-button.delete {
           color: var(--secondary-text-color);
           float: right;
         }
+        paper-item.header {
+          color: var(--primary-text-color);
+          text-transform: uppercase;
+          font-weight: 500;
+          font-size: 14px;
+        }
       </style>
       <slot></slot>
       <div>
@@ -60,6 +71,29 @@ export class HuiCardOptions extends hassLocalizeLitMixin(LitElement) {
               this.path![1] + 1
           }"
         ></paper-icon-button>
+        <paper-menu-button vertical-offset="48">
+          <paper-icon-button
+            title="Move card to a different view"
+            icon="hass:file-replace"
+            ?disabled="${this.lovelace!.config.views.length === 1}"
+            slot="dropdown-trigger"
+          ></paper-icon-button>
+          <paper-listbox on-iron-select="_deselect" slot="dropdown-content">
+            <paper-item disabled class="header">Move card to view</paper-item>
+            ${
+              this.lovelace!.config.views.map((view, index) => {
+                if (index === this.path![0]) {
+                  return;
+                }
+                return html`
+                  <paper-item @click="${this._moveCard}" .index="${index}"
+                    >${view.title}</paper-item
+                  >
+                `;
+              })
+            }
+          </paper-listbox>
+        </paper-menu-button>
         <paper-icon-button
           class="delete"
           icon="hass:delete"
@@ -93,6 +127,14 @@ export class HuiCardOptions extends hassLocalizeLitMixin(LitElement) {
     );
   }
 
+  private _moveCard(ev: MouseEvent): void {
+    const lovelace = this.lovelace!;
+    const path = this.path!;
+    lovelace.saveConfig(
+      moveCard(lovelace.config, path, [(ev.currentTarget! as any).index])
+    );
+  }
+
   private _deleteCard(): void {
     confDeleteCard(this.lovelace!, this.path!);
   }
diff --git a/src/panels/lovelace/editor/config-util.ts b/src/panels/lovelace/editor/config-util.ts
index 2c87b57737..d1f834a2c8 100644
--- a/src/panels/lovelace/editor/config-util.ts
+++ b/src/panels/lovelace/editor/config-util.ts
@@ -121,6 +121,44 @@ export const swapCard = (
   };
 };
 
+export const moveCard = (
+  config: LovelaceConfig,
+  fromPath: [number, number],
+  toPath: [number]
+): LovelaceConfig => {
+  if (fromPath[0] === toPath[0]) {
+    throw new Error("You can not move a card to the view it is in.");
+  }
+  const fromView = config.views[fromPath[0]];
+  const card = fromView.cards![fromPath[1]];
+
+  const newView1 = {
+    ...fromView,
+    cards: (fromView.cards || []).filter(
+      (_origConf, ind) => ind !== fromPath[1]
+    ),
+  };
+
+  const toView = config.views[toPath[0]];
+  const cards = toView.cards ? [...toView.cards, card] : [card];
+
+  const newView2 = {
+    ...toView,
+    cards,
+  };
+
+  return {
+    ...config,
+    views: config.views.map((origView, index) =>
+      index === toPath[0]
+        ? newView2
+        : index === fromPath[0]
+        ? newView1
+        : origView
+    ),
+  };
+};
+
 export const addView = (
   config: LovelaceConfig,
   viewConfig: LovelaceViewConfig
diff --git a/test-mocha/panels/lovelace/editor/config-util.spec.ts b/test-mocha/panels/lovelace/editor/config-util.spec.ts
index b8a9717b21..dac981de04 100644
--- a/test-mocha/panels/lovelace/editor/config-util.spec.ts
+++ b/test-mocha/panels/lovelace/editor/config-util.spec.ts
@@ -1,6 +1,9 @@
 import * as assert from "assert";
 
-import { swapCard } from "../../../../src/panels/lovelace/editor/config-util";
+import {
+  swapCard,
+  moveCard,
+} from "../../../../src/panels/lovelace/editor/config-util";
 import { LovelaceConfig } from "../../../../src/data/lovelace";
 
 describe("swapCard", () => {
@@ -52,3 +55,77 @@ describe("swapCard", () => {
     assert.deepEqual(expected, result);
   });
 });
+
+describe("moveCard", () => {
+  it("move a card to an empty view", () => {
+    const config: LovelaceConfig = {
+      views: [
+        {},
+        {
+          cards: [{ type: "card1" }, { type: "card2" }],
+        },
+      ],
+    };
+
+    const result = moveCard(config, [1, 0], [0]);
+    const expected = {
+      views: [
+        {
+          cards: [{ type: "card1" }],
+        },
+        {
+          cards: [{ type: "card2" }],
+        },
+      ],
+    };
+    assert.deepEqual(expected, result);
+  });
+
+  it("move a card to different view", () => {
+    const config: LovelaceConfig = {
+      views: [
+        {
+          cards: [{ type: "v1-c1" }, { type: "v1-c2" }],
+        },
+        {
+          cards: [{ type: "v2-c1" }, { type: "v2-c2" }],
+        },
+      ],
+    };
+
+    const result = moveCard(config, [1, 0], [0]);
+    const expected = {
+      views: [
+        {
+          cards: [{ type: "v1-c1" }, { type: "v1-c2" }, { type: "v2-c1" }],
+        },
+        {
+          cards: [{ type: "v2-c2" }],
+        },
+      ],
+    };
+    assert.deepEqual(expected, result);
+  });
+
+  it("move a card to the same view", () => {
+    const config: LovelaceConfig = {
+      views: [
+        {
+          cards: [{ type: "v1-c1" }, { type: "v1-c2" }],
+        },
+        {
+          cards: [{ type: "v2-c1" }, { type: "v2-c2" }],
+        },
+      ],
+    };
+
+    const result = function() {
+      moveCard(config, [1, 0], [1]);
+    };
+    assert.throws(
+      result,
+      Error,
+      "You can not move a card to the view it is in."
+    );
+  });
+});