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module/apps/ability-use-dialog.js

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+/**
+ * A specialized Dialog subclass for ability usage
+ * @type {Dialog}
+ */
+export class AbilityUseDialog extends Dialog {
+  constructor(item, dialogData={}, options={}) {
+    super(dialogData, options);
+    this.options.classes = ["sw5e", "dialog"];
+
+    /**
+     * Store a reference to the Item entity being used
+     * @type {Item5e}
+     */
+    this.item = item;
+  }
+
+  /* -------------------------------------------- */
+  /*  Rendering                                   */
+  /* -------------------------------------------- */
+
+  /**
+   * A constructor function which displays the Power Cast Dialog app for a given Actor and Item.
+   * Returns a Promise which resolves to the dialog FormData once the workflow has been completed.
+   * @param {Item5e} item
+   * @return {Promise}
+   */
+  static async create(item) {
+
+    const uses = item.data.data.uses;
+    const recharge = item.data.data.recharge;
+    const recharges = !!recharge.value;
+
+    // Render the ability usage template
+    const html = await renderTemplate("systems/sw5e/templates/apps/ability-use.html", {
+      item: item.data,
+      canUse: recharges ? recharge.charged : uses.value > 0,
+      consume: true,
+      uses: uses,
+      recharges: !!recharge.value,
+      isCharged: recharge.charged,
+      hasPlaceableTemplate: game.user.can("TEMPLATE_CREATE") && item.hasAreaTarget,
+      perLabel: CONFIG.SW5E.limitedUsePeriods[uses.per]
+    });
+
+    // Create the Dialog and return as a Promise
+    return new Promise((resolve) => {
+      let formData = null;
+      const dlg = new this(item, {
+        title: `${item.name}: Ability Configuration`,
+        content: html,
+        buttons: {
+          use: {
+            icon: '<i class="fas fa-fist-raised"></i>',
+            label: "Use Ability",
+            callback: html => formData = new FormData(html[0].querySelector("#ability-use-form"))
+          }
+        },
+        default: "use",
+        close: () => resolve(formData)
+      });
+      dlg.render(true);
+    });
+  }
+}