From 8f6739709650b1b47f565d99f88590d4a8bdd3a9 Mon Sep 17 00:00:00 2001
From: LeRatierBretonnien <sylvain@lahiette.com>
Date: Thu, 21 May 2020 21:48:20 +0200
Subject: [PATCH] Push initial structure

---
 module/actor-sheet.js      | 130 +++++++++++++++++++++++++++++
 module/actor.js            |  35 ++++++++
 module/item-sheet.js       | 115 ++++++++++++++++++++++++++
 module/simple.js           |  46 +++++++++++
 styles/simple.css          | 139 +++++++++++++++++++++++++++++++
 styles/simple.less         | 162 +++++++++++++++++++++++++++++++++++++
 system.json                |  22 +++++
 template.json              |  28 +++++++
 templates/actor-sheet.html |  86 ++++++++++++++++++++
 templates/item-sheet.html  |  64 +++++++++++++++
 10 files changed, 827 insertions(+)
 create mode 100644 module/actor-sheet.js
 create mode 100644 module/actor.js
 create mode 100644 module/item-sheet.js
 create mode 100644 module/simple.js
 create mode 100644 styles/simple.css
 create mode 100644 styles/simple.less
 create mode 100644 system.json
 create mode 100644 template.json
 create mode 100644 templates/actor-sheet.html
 create mode 100644 templates/item-sheet.html

diff --git a/module/actor-sheet.js b/module/actor-sheet.js
new file mode 100644
index 00000000..dd5add0a
--- /dev/null
+++ b/module/actor-sheet.js
@@ -0,0 +1,130 @@
+/**
+ * Extend the basic ActorSheet with some very simple modifications
+ * @extends {ActorSheet}
+ */
+export class SimpleActorSheet extends ActorSheet {
+
+  /** @override */
+	static get defaultOptions() {
+	  return mergeObject(super.defaultOptions, {
+  	  classes: ["worldbuilding", "sheet", "actor"],
+  	  template: "systems/worldbuilding/templates/actor-sheet.html",
+      width: 600,
+      height: 600,
+      tabs: [{navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "description"}],
+      dragDrop: [{dragSelector: ".item-list .item", dropSelector: null}]
+    });
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+  getData() {
+    const data = super.getData();
+    data.dtypes = ["String", "Number", "Boolean"];
+    for ( let attr of Object.values(data.data.attributes) ) {
+      attr.isCheckbox = attr.dtype === "Boolean";
+    }
+    return data;
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+	activateListeners(html) {
+    super.activateListeners(html);
+
+    // Everything below here is only needed if the sheet is editable
+    if (!this.options.editable) return;
+
+    // Update Inventory Item
+    html.find('.item-edit').click(ev => {
+      const li = $(ev.currentTarget).parents(".item");
+      const item = this.actor.getOwnedItem(li.data("itemId"));
+      item.sheet.render(true);
+    });
+
+    // Delete Inventory Item
+    html.find('.item-delete').click(ev => {
+      const li = $(ev.currentTarget).parents(".item");
+      this.actor.deleteOwnedItem(li.data("itemId"));
+      li.slideUp(200, () => this.render(false));
+    });
+
+    // Add or Remove Attribute
+    html.find(".attributes").on("click", ".attribute-control", this._onClickAttributeControl.bind(this));
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+  setPosition(options={}) {
+    const position = super.setPosition(options);
+    const sheetBody = this.element.find(".sheet-body");
+    const bodyHeight = position.height - 192;
+    sheetBody.css("height", bodyHeight);
+    return position;
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Listen for click events on an attribute control to modify the composition of attributes in the sheet
+   * @param {MouseEvent} event    The originating left click event
+   * @private
+   */
+  async _onClickAttributeControl(event) {
+    event.preventDefault();
+    const a = event.currentTarget;
+    const action = a.dataset.action;
+    const attrs = this.object.data.data.attributes;
+    const form = this.form;
+
+    // Add new attribute
+    if ( action === "create" ) {
+      const nk = Object.keys(attrs).length + 1;
+      let newKey = document.createElement("div");
+      newKey.innerHTML = `<input type="text" name="data.attributes.attr${nk}.key" value="attr${nk}"/>`;
+      newKey = newKey.children[0];
+      form.appendChild(newKey);
+      await this._onSubmit(event);
+    }
+
+    // Remove existing attribute
+    else if ( action === "delete" ) {
+      const li = a.closest(".attribute");
+      li.parentElement.removeChild(li);
+      await this._onSubmit(event);
+    }
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+  _updateObject(event, formData) {
+
+    // Handle the free-form attributes list
+    const formAttrs = expandObject(formData).data.attributes || {};
+    const attributes = Object.values(formAttrs).reduce((obj, v) => {
+      let k = v["key"].trim();
+      if ( /[\s\.]/.test(k) )  return ui.notifications.error("Attribute keys may not contain spaces or periods");
+      delete v["key"];
+      obj[k] = v;
+      return obj;
+    }, {});
+    
+    // Remove attributes which are no longer used
+    for ( let k of Object.keys(this.object.data.data.attributes) ) {
+      if ( !attributes.hasOwnProperty(k) ) attributes[`-=${k}`] = null;
+    }
+
+    // Re-combine formData
+    formData = Object.entries(formData).filter(e => !e[0].startsWith("data.attributes")).reduce((obj, e) => {
+      obj[e[0]] = e[1];
+      return obj;
+    }, {_id: this.object._id, "data.attributes": attributes});
+    
+    // Update the Actor
+    return this.object.update(formData);
+  }
+}
diff --git a/module/actor.js b/module/actor.js
new file mode 100644
index 00000000..0f85c7f2
--- /dev/null
+++ b/module/actor.js
@@ -0,0 +1,35 @@
+/**
+ * Extend the base Actor entity by defining a custom roll data structure which is ideal for the Simple system.
+ * @extends {Actor}
+ */
+export class SimpleActor extends Actor {
+
+  /** @override */
+  getRollData() {
+    const data = super.getRollData();
+    const shorthand = game.settings.get("worldbuilding", "macroShorthand");
+
+    // Re-map all attributes onto the base roll data
+    if ( !!shorthand ) {
+      for ( let [k, v] of Object.entries(data.attributes) ) {
+        if ( !(k in data) ) data[k] = v.value;
+      }
+      delete data.attributes;
+    }
+
+    // Map all items data using their slugified names
+    data.items = this.data.items.reduce((obj, i) => {
+      let key = i.name.slugify({strict: true});
+      let itemData = duplicate(i.data);
+      if ( !!shorthand ) {
+        for ( let [k, v] of Object.entries(itemData.attributes) ) {
+          if ( !(k in itemData) ) itemData[k] = v.value;
+        }
+        delete itemData["attributes"];
+      }
+      obj[key] = itemData;
+      return obj;
+    }, {});
+    return data;
+  }
+}
diff --git a/module/item-sheet.js b/module/item-sheet.js
new file mode 100644
index 00000000..8d378e1e
--- /dev/null
+++ b/module/item-sheet.js
@@ -0,0 +1,115 @@
+/**
+ * Extend the basic ItemSheet with some very simple modifications
+ * @extends {ItemSheet}
+ */
+export class SimpleItemSheet extends ItemSheet {
+
+  /** @override */
+	static get defaultOptions() {
+	  return mergeObject(super.defaultOptions, {
+			classes: ["worldbuilding", "sheet", "item"],
+			template: "systems/worldbuilding/templates/item-sheet.html",
+			width: 520,
+			height: 480,
+      tabs: [{navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "description"}]
+		});
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+  getData() {
+    const data = super.getData();
+    data.dtypes = ["String", "Number", "Boolean"];
+    for ( let attr of Object.values(data.data.attributes) ) {
+      attr.isCheckbox = attr.dtype === "Boolean";
+    }
+    return data;
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+  setPosition(options={}) {
+    const position = super.setPosition(options);
+    const sheetBody = this.element.find(".sheet-body");
+    const bodyHeight = position.height - 192;
+    sheetBody.css("height", bodyHeight);
+    return position;
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+	activateListeners(html) {
+    super.activateListeners(html);
+
+    // Everything below here is only needed if the sheet is editable
+    if (!this.options.editable) return;
+
+    // Add or Remove Attribute
+    html.find(".attributes").on("click", ".attribute-control", this._onClickAttributeControl.bind(this));
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Listen for click events on an attribute control to modify the composition of attributes in the sheet
+   * @param {MouseEvent} event    The originating left click event
+   * @private
+   */
+  async _onClickAttributeControl(event) {
+    event.preventDefault();
+    const a = event.currentTarget;
+    const action = a.dataset.action;
+    const attrs = this.object.data.data.attributes;
+    const form = this.form;
+
+    // Add new attribute
+    if ( action === "create" ) {
+      const nk = Object.keys(attrs).length + 1;
+      let newKey = document.createElement("div");
+      newKey.innerHTML = `<input type="text" name="data.attributes.attr${nk}.key" value="attr${nk}"/>`;
+      newKey = newKey.children[0];
+      form.appendChild(newKey);
+      await this._onSubmit(event);
+    }
+
+    // Remove existing attribute
+    else if ( action === "delete" ) {
+      const li = a.closest(".attribute");
+      li.parentElement.removeChild(li);
+      await this._onSubmit(event);
+    }
+  }
+
+  /* -------------------------------------------- */
+
+  /** @override */
+  _updateObject(event, formData) {
+
+    // Handle the free-form attributes list
+    const formAttrs = expandObject(formData).data.attributes || {};
+    const attributes = Object.values(formAttrs).reduce((obj, v) => {
+      let k = v["key"].trim();
+      if ( /[\s\.]/.test(k) )  return ui.notifications.error("Attribute keys may not contain spaces or periods");
+      delete v["key"];
+      obj[k] = v;
+      return obj;
+    }, {});
+    
+    // Remove attributes which are no longer used
+    for ( let k of Object.keys(this.object.data.data.attributes) ) {
+      if ( !attributes.hasOwnProperty(k) ) attributes[`-=${k}`] = null;
+    }
+
+    // Re-combine formData
+    formData = Object.entries(formData).filter(e => !e[0].startsWith("data.attributes")).reduce((obj, e) => {
+      obj[e[0]] = e[1];
+      return obj;
+    }, {_id: this.object._id, "data.attributes": attributes});
+
+    // Update the Item
+    return this.object.update(formData);
+  }
+}
diff --git a/module/simple.js b/module/simple.js
new file mode 100644
index 00000000..a2337acb
--- /dev/null
+++ b/module/simple.js
@@ -0,0 +1,46 @@
+/**
+ * A simple and flexible system for world-building using an arbitrary collection of character and item attributes
+ * Author: Atropos
+ * Software License: GNU GPLv3
+ */
+
+// Import Modules
+import { SimpleActor } from "./actor.js";
+import { SimpleItemSheet } from "./item-sheet.js";
+import { SimpleActorSheet } from "./actor-sheet.js";
+
+/* -------------------------------------------- */
+/*  Foundry VTT Initialization                  */
+/* -------------------------------------------- */
+
+Hooks.once("init", async function() {
+  console.log(`Initializing Simple Worldbuilding System`);
+
+	/**
+	 * Set an initiative formula for the system
+	 * @type {String}
+	 */
+	CONFIG.Combat.initiative = {
+	  formula: "1d20",
+    decimals: 2
+  };
+
+	// Define custom Entity classes
+  CONFIG.Actor.entityClass = SimpleActor;
+
+  // Register sheet application classes
+  Actors.unregisterSheet("core", ActorSheet);
+  Actors.registerSheet("dnd5e", SimpleActorSheet, { makeDefault: true });
+  Items.unregisterSheet("core", ItemSheet);
+  Items.registerSheet("dnd5e", SimpleItemSheet, {makeDefault: true});
+
+  // Register system settings
+  game.settings.register("worldbuilding", "macroShorthand", {
+    name: "Shortened Macro Syntax",
+    hint: "Enable a shortened macro syntax which allows referencing attributes directly, for example @str instead of @attributes.str.value. Disable this setting if you need the ability to reference the full attribute model, for example @attributes.str.label.",
+    scope: "world",
+    type: Boolean,
+    default: true,
+    config: true
+  });
+});
diff --git a/styles/simple.css b/styles/simple.css
new file mode 100644
index 00000000..f4090e12
--- /dev/null
+++ b/styles/simple.css
@@ -0,0 +1,139 @@
+.worldbuilding {
+  /* Sheet Tabs */
+  /* Items List */
+  /* Attributes */
+}
+.worldbuilding .window-content {
+  height: 100%;
+  padding: 5px;
+  overflow-y: hidden;
+}
+.worldbuilding .sheet-header {
+  height: 100px;
+  overflow: hidden;
+  display: flex;
+  flex-direction: row;
+  flex-wrap: wrap;
+  justify-content: flex-start;
+  margin-bottom: 10px;
+}
+.worldbuilding .sheet-header .profile-img {
+  flex: 0 0 100px;
+  height: 100px;
+  margin-right: 10px;
+}
+.worldbuilding .sheet-header .header-fields {
+  flex: 1;
+  height: 100px;
+}
+.worldbuilding .sheet-header h1.charname {
+  height: 50px;
+  padding: 0px;
+  margin: 5px 0;
+  border-bottom: 0;
+}
+.worldbuilding .sheet-header h1.charname input {
+  width: 100%;
+  height: 100%;
+  margin: 0;
+}
+.worldbuilding .resource {
+  width: 50%;
+  height: 40px;
+  margin-top: 10px;
+  float: left;
+  text-align: center;
+}
+.worldbuilding .resource input {
+  width: 100px;
+  height: 28px;
+}
+.worldbuilding .tabs {
+  height: 40px;
+  border-top: 1px solid #AAA;
+  border-bottom: 1px solid #AAA;
+}
+.worldbuilding .tabs .item {
+  line-height: 40px;
+  font-weight: bold;
+}
+.worldbuilding .tabs .item.active {
+  text-decoration: underline;
+  text-shadow: none;
+}
+.worldbuilding .sheet-body {
+  overflow: hidden;
+}
+.worldbuilding .sheet-body .tab {
+  height: 100%;
+  overflow-y: auto;
+}
+.worldbuilding .editor,
+.worldbuilding .editor-content {
+  height: 100%;
+}
+.worldbuilding .item-list {
+  list-style: none;
+  margin: 7px 0;
+  padding: 0;
+  overflow-y: auto;
+}
+.worldbuilding .item-list .item {
+  height: 30px;
+  line-height: 24px;
+  padding: 3px 0;
+  border-bottom: 1px solid #BBB;
+}
+.worldbuilding .item-list .item img {
+  flex: 0 0 24px;
+  margin-right: 5px;
+}
+.worldbuilding .item-list .item-name {
+  margin: 0;
+}
+.worldbuilding .item-list .item-controls {
+  flex: 0 0 36px;
+}
+.worldbuilding .attributes-header {
+  padding: 5px;
+  margin: 5px 0;
+  background: rgba(0, 0, 0, 0.05);
+  border: 1px solid #AAA;
+  border-radius: 2px;
+  text-align: center;
+  font-weight: bold;
+}
+.worldbuilding .attributes-header .attribute-label {
+  flex: 1.5;
+}
+.worldbuilding .attributes-header .attribute-control {
+  flex: 0 0 20px;
+}
+.worldbuilding .attributes-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+.worldbuilding .attributes-list li > * {
+  margin: 0 3px;
+  height: 28px;
+  line-height: 24px;
+  background: transparent;
+  border: none;
+  border-radius: 0;
+  border-bottom: 1px solid #AAA;
+}
+.worldbuilding .attributes-list a.attribute-control {
+  flex: 0 0 20px;
+  text-align: center;
+  line-height: 28px;
+  border: none;
+}
+.worldbuilding.sheet.actor {
+  min-width: 560px;
+  min-height: 420px;
+}
+.worldbuilding.sheet.item {
+  min-width: 460px;
+  min-height: 400px;
+}
diff --git a/styles/simple.less b/styles/simple.less
new file mode 100644
index 00000000..ba89e194
--- /dev/null
+++ b/styles/simple.less
@@ -0,0 +1,162 @@
+.worldbuilding {
+  .window-content {
+    height: 100%;
+    padding: 5px;
+    overflow-y: hidden;
+  }
+
+  .sheet-header {
+    height: 100px;
+    overflow: hidden;
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    justify-content: flex-start;
+    margin-bottom: 10px;
+
+    .profile-img {
+      flex: 0 0 100px;
+      height: 100px;
+      margin-right: 10px;
+    }
+
+    .header-fields {
+      flex: 1;
+      height: 100px;
+    }
+
+    h1.charname {
+      height: 50px;
+      padding: 0px;
+      margin: 5px 0;
+      border-bottom: 0;
+      input {
+        width: 100%;
+        height: 100%;
+        margin: 0;
+      }
+    }
+  }
+
+  .resource {
+    width: 50%;
+    height: 40px;
+    margin-top: 10px;
+    float: left;
+    text-align: center;
+    input {
+      width: 100px;
+      height: 28px;
+    }
+  }
+
+  /* Sheet Tabs */
+  .tabs {
+    height: 40px;
+    border-top: 1px solid #AAA;
+    border-bottom: 1px solid #AAA;
+
+    .item {
+      line-height: 40px;
+      font-weight: bold;
+    }
+
+    .item.active {
+      text-decoration: underline;
+      text-shadow: none;
+    }
+  }
+
+  .sheet-body {
+    overflow: hidden;
+    .tab {
+      height: 100%;
+      overflow-y: auto;
+    }
+  }
+
+  .editor, .editor-content {
+    height: 100%;
+  }
+
+  /* Items List */
+  .item-list {
+    list-style: none;
+    margin: 7px 0;
+    padding: 0;
+    overflow-y: auto;
+
+    .item {
+      height: 30px;
+      line-height: 24px;
+      padding: 3px 0;
+      border-bottom: 1px solid #BBB;
+
+      img {
+        flex: 0 0 24px;
+        margin-right: 5px;
+      }
+    }
+
+    .item-name {
+      margin: 0;
+    }
+
+    .item-controls {
+      flex: 0 0 36px;
+    }
+  }
+
+  /* Attributes */
+  .attributes-header {
+    padding: 5px;
+    margin: 5px 0;
+    background: rgba(0, 0, 0, 0.05);
+    border: 1px solid #AAA;
+    border-radius: 2px;
+    text-align: center;
+    font-weight: bold;
+
+    .attribute-label {
+      flex: 1.5;
+    }
+
+    .attribute-control {
+      flex: 0 0 20px;
+    }
+  }
+
+  .attributes-list {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+
+    li > * {
+      margin: 0 3px;
+      height: 28px;
+      line-height: 24px;
+      background: transparent;
+      border: none;
+      border-radius: 0;
+      border-bottom: 1px solid #AAA;
+    }
+
+    a.attribute-control {
+      flex: 0 0 20px;
+      text-align: center;
+      line-height: 28px;
+      border: none;
+    }
+  }
+}
+
+.worldbuilding.sheet.actor {
+  min-width: 560px;
+  min-height: 420px;
+}
+
+
+.worldbuilding.sheet.item {
+  min-width: 460px;
+  min-height: 400px;
+}
diff --git a/system.json b/system.json
new file mode 100644
index 00000000..e134ce05
--- /dev/null
+++ b/system.json
@@ -0,0 +1,22 @@
+{
+  "name": "worldbuilding",
+  "title": "Simple World-Building",
+  "description": "A minimalist game system with very simple Actor and Item models to support free-form system agnostic gameplay.",
+  "version": 0.36,
+  "minimumCoreVersion": "0.5.6",
+  "compatibleCoreVersion": "0.5.7",
+  "templateVersion": 2,
+  "author": "Atropos",
+  "esmodules": ["module/simple.js"],
+  "styles": ["styles/simple.css"],
+  "packs": [],
+  "languages": [],
+  "gridDistance": 5,
+  "gridUnits": "ft",
+  "primaryTokenAttribute": "health",
+  "secondaryTokenAttribute": "power",
+  "url": "https://gitlab.com/foundrynet/worldbuilding/",
+  "manifest": "https://gitlab.com/foundrynet/worldbuilding/raw/master/system.json",
+  "download": "https://gitlab.com/foundrynet/worldbuilding/-/archive/release-036/worldbuilding-release-036.zip",
+  "license": "LICENSE.txt"
+}
diff --git a/template.json b/template.json
new file mode 100644
index 00000000..4e108a61
--- /dev/null
+++ b/template.json
@@ -0,0 +1,28 @@
+{
+"Actor": {
+  "types": ["character"],
+  "character": {
+    "biography": "",
+    "health": {
+      "value": 10,
+      "min": 0,
+      "max": 10
+    },
+    "power": {
+      "value": 5,
+      "min": 0,
+      "max": 5
+    },
+    "attributes": {}
+  }
+},
+"Item": {
+  "types": ["item"],
+  "item": {
+    "description": "",
+    "quantity": 1,
+    "weight": 0,
+    "attributes": {}
+  }
+}
+}
diff --git a/templates/actor-sheet.html b/templates/actor-sheet.html
new file mode 100644
index 00000000..c51e2a3b
--- /dev/null
+++ b/templates/actor-sheet.html
@@ -0,0 +1,86 @@
+<form class="{{cssClass}}" autocomplete="off">
+
+    {{!-- Sheet Header --}}
+    <header class="sheet-header">
+        <img class="profile-img" src="{{actor.img}}" data-edit="img" title="{{actor.name}}" height="100" width="100"/>
+        <div class="header-fields">
+            <h1 class="charname"><input name="name" type="text" value="{{actor.name}}" placeholder="Name"/></h1>
+            <div class="resource">
+                <input type="text" name="data.health.value" value="{{data.health.value}}" data-dtype="Number"/>
+                <span> / </span>
+                <input type="text" name="data.health.max" value="{{data.health.max}}" data-dtype="Number"/>
+            </div>
+            <div class="resource">
+                <input type="text" name="data.power.value" value="{{data.power.value}}" data-dtype="Number"/>
+                <span> / </span>
+                <input type="text" name="data.power.max" value="{{data.power.max}}" data-dtype="Number"/>
+            </div>
+        </div>
+    </header>
+
+    {{!-- Sheet Tab Navigation --}}
+    <nav class="sheet-tabs tabs" data-group="primary">
+        <a class="item" data-tab="description">Description</a>
+        <a class="item" data-tab="items">Items</a>
+        <a class="item" data-tab="attributes">Attributes</a>
+    </nav>
+
+    {{!-- Sheet Body --}}
+    <section class="sheet-body">
+
+        {{!-- Biography Tab --}}
+        <div class="tab biography" data-group="primary" data-tab="description">
+            {{editor content=data.biography target="data.biography" button=true owner=owner editable=editable}}
+        </div>
+
+        {{!-- Owned Items Tab --}}
+        <div class="tab items" data-group="primary" data-tab="items">
+            <ol class="item-list">
+            {{#each actor.items as |item id|}}
+                <li class="item flexrow" data-item-id="{{item._id}}">
+                    <img src="{{item.img}}" title="{{item.name}}" width="24" height="24"/>
+                    <h4 class="item-name">{{item.name}}</h4>
+                    <div class="item-controls">
+                        <a class="item-control item-edit" title="Edit Item"><i class="fas fa-edit"></i></a>
+                        <a class="item-control item-delete" title="Delete Item"><i class="fas fa-trash"></i></a>
+                    </div>
+                </li>
+            {{/each}}
+            </ol>
+        </div>
+
+        {{!-- Attributes Tab --}}
+        <div class="tab attributes" data-group="primary" data-tab="attributes">
+            <header class="attributes-header flexrow">
+                <span class="attribute-key">Attribute Key</span>
+                <span class="attribute-value">Value</span>
+                <span class="attribute-label">Label</span>
+                <span class="attribute-dtype">Data Type</span>
+                <a class="attribute-control" data-action="create"><i class="fas fa-plus"></i></a>
+            </header>
+
+            <ol class="attributes-list">
+            {{#each data.attributes as |attr key|}}
+                <li class="attribute flexrow" data-attribute="{{key}}">
+                    <input class="attribute-key" type="text" name="data.attributes.{{key}}.key" value="{{key}}"/>
+                    {{#if attr.isCheckbox}}
+                    <label class="attribute-value checkbox"><input type="checkbox" name="data.attributes.{{key}}.value" {{checked attr.value}}/></label>
+                    {{else}}
+                    <input class="attribute-value" type="text" name="data.attributes.{{key}}.value" value="{{attr.value}}" data-dtype="{{attr.dtype}}"/>
+                    {{/if}}
+                    <input class="attribute-label" type="text" name="data.attributes.{{key}}.label" value="{{attr.label}}"/>
+                    <select class="attribute-dtype" name="data.attributes.{{key}}.dtype">
+                        {{#select attr.dtype}}
+                        {{#each ../dtypes as |t|}}
+                        <option value="{{t}}">{{t}}</option>
+                        {{/each}}
+                        {{/select}}
+                    </select>
+                    <a class="attribute-control" data-action="delete"><i class="fas fa-trash"></i></a>
+                </li>
+            {{/each}}
+            </ol>
+        </div>
+    </section>
+</form>
+
diff --git a/templates/item-sheet.html b/templates/item-sheet.html
new file mode 100644
index 00000000..c8acc8e5
--- /dev/null
+++ b/templates/item-sheet.html
@@ -0,0 +1,64 @@
+<form class="{{cssClass}}" autocomplete="off">
+    <header class="sheet-header">
+        <img class="profile-img" src="{{item.img}}" data-edit="img" title="{{item.name}}"/>
+        <div class="header-fields">
+            <h1 class="charname"><input name="name" type="text" value="{{item.name}}" placeholder="Name"/></h1>
+            <div class="resource">
+            	<label>Quantity</label>
+                <input type="text" name="data.quantity" value="{{data.quantity}}" data-dtype="Number"/>
+            </div>
+            <div class="resource">
+            	<label>Weight</label>
+                <input type="text" name="data.weight" value="{{data.weight}}" data-dtype="Number"/>
+            </div>
+        </div>
+    </header>
+
+    {{!-- Sheet Tab Navigation --}}
+    <nav class="sheet-tabs tabs" data-group="primary">
+        <a class="item" data-tab="description">Description</a>
+        <a class="item" data-tab="attributes">Attributes</a>
+    </nav>
+
+    {{!-- Sheet Body --}}
+    <section class="sheet-body">
+
+        {{!-- Description Tab --}}
+        <div class="tab" data-group="primary" data-tab="description">
+            {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
+        </div>
+
+        {{!-- Attributes Tab --}}
+        <div class="tab attributes" data-group="primary" data-tab="attributes">
+            <header class="attributes-header flexrow">
+                <span class="attribute-key">Attribute Key</span>
+                <span class="attribute-value">Value</span>
+                <span class="attribute-label">Label</span>
+                <span class="attribute-dtype">Data Type</span>
+                <a class="attribute-control" data-action="create"><i class="fas fa-plus"></i></a>
+            </header>
+
+            <ol class="attributes-list">
+            {{#each data.attributes as |attr key|}}
+                <li class="attribute flexrow" data-attribute="{{key}}">
+                    <input class="attribute-key" type="text" name="data.attributes.{{key}}.key" value="{{key}}"/>
+                    {{#if attr.isCheckbox}}
+                    <label class="attribute-value checkbox"><input type="checkbox" name="data.attributes.{{key}}.value" {{checked attr.value}}/></label>
+                    {{else}}
+                    <input class="attribute-value" type="text" name="data.attributes.{{key}}.value" value="{{attr.value}}" data-dtype="{{attr.dtype}}"/>
+                    {{/if}}
+                    <input class="attribute-label" type="text" name="data.attributes.{{key}}.label" value="{{attr.label}}"/>
+                    <select class="attribute-dtype" name="data.attributes.{{key}}.dtype">
+                        {{#select attr.dtype}}
+                        {{#each ../dtypes as |t|}}
+                        <option value="{{t}}">{{t}}</option>
+                        {{/each}}
+                        {{/select}}
+                    </select>
+                    <a class="attribute-control" data-action="delete"><i class="fas fa-trash"></i></a>
+                </li>
+            {{/each}}
+            </ol>
+        </div>
+    </section>
+</form>