fix: dblclick event does not fire on mobile device (IOS)

src/core/core.ts

@@ -233,6 +233,36 @@ declare function __(...args: any[]): OS.FormattedString | string;
  */
 declare function __e(e: Error): Error;
 
+/**
+ * JQuery event-extensions to support doubletap on
+ * mobile device
+ */
+jQuery.event.special.dbltap = {
+    bindType: 'touchend',
+    delegateType: 'touchend',
+
+    handle: function (event: any) {
+        var handleObj = event.handleObj,
+            targetData = jQuery.data(event.target),
+            now = new Date().getTime(),
+            delta = targetData.lastTouch ? now - targetData.lastTouch : 0,
+            delay = delay == null ? 300 : delay;
+
+        if (delta < delay && delta > 30) {
+            targetData.lastTouch = null;
+            event.type = handleObj.origType;
+            ['clientX', 'clientY', 'pageX', 'pageY'].forEach(function (property) {
+                event[property] = event.originalEvent.changedTouches[0][property];
+            })
+
+            // let jQuery handle the triggering of "dbltap" event handlers
+            handleObj.handler.apply(this, arguments);
+        } else {
+            targetData.lastTouch = now;
+        }
+    }
+};
+
 /**
  * This namespace is the main entry point of AntOS
  * API
@@ -1196,16 +1226,14 @@ namespace OS {
          * @export
          * @param {Promise} a Promise object 
          */
-        export function Task(fn: ( resolve: (any)=>void,reject:(any)=>void) => void ): Promise<any>
+        export function Task(fn: (resolve: (any) => void, reject: (any) => void) => void): Promise<any> {
-        {
             return new Promise(async (ok, nok) => {
                 const promise = new Promise(fn);
                 const ann: API.AnnouncementDataType<Promise<any>> = {} as API.AnnouncementDataType<Promise<any>>;
                 ann.name = "OS";
                 ann.u_data = promise;
                 ann.id = Math.floor(Math.random() * 1e6);
-                try
+                try {
-                {
                     ann.message = "ANTOS-TASK-PENDING";
                     announcer.trigger(ann.message, ann);
                     const data = await promise;
@@ -1213,8 +1241,7 @@ namespace OS {
                     ann.message = "ANTOS-TASK-FULFILLED";
                     announcer.trigger(ann.message, ann);
                 }
-                catch(e)
+                catch (e) {
-                {
                     ann.message = "ANTOS-TASK-REJECTED";
                     announcer.trigger(ann.message, ann);
                     nok(__e(e));
@@ -1235,8 +1262,7 @@ namespace OS {
          */
         export function post(p: string, d: any): Promise<any> {
             return API.Task(async (resolve, reject) => {
-                try
+                try {
-                {
                     $.ajax({
                         type: "POST",
                         url: p,
@@ -1261,8 +1287,7 @@ namespace OS {
                             reject(e);
                         });
                 }
-                catch(e)
+                catch (e) {
-                {
                     reject(__e(e));
                 }
             });
@@ -1338,8 +1363,7 @@ namespace OS {
                         });
                         resolve(ret);
                     }
-                    catch(e)
+                    catch (e) {
-                    {
                         reject(__e(e));
                     }
                 });
@@ -1805,8 +1829,7 @@ namespace OS {
          * @param {(obj: Object, key: string, value: any, path: any[]) => void} callback function
          * @returns {Proxy} the wrapper object
          */
-        export function watcher(target: GenericObject<any>, callback: (obj: Object, key: any, value: any, path:any[]) => void): Object
+        export function watcher(target: GenericObject<any>, callback: (obj: Object, key: any, value: any, path: any[]) => void): Object {
-        {
             const create_handle_for = (path: any[]) => {
                 return {
                     get: (obj: Object, key: any) => {

src/core/tags/GridViewTag.ts

@@ -305,7 +305,7 @@ namespace OS {
                         let evt = { id: this.aid, data: this };
                         return this.cellselect(evt, false);
                     });
-                    $(this).on("dblclick", (e) => {
+                    $(this).on(OS.mobile?"dbltap":"dblclick", (e) => {
                         let evt = { id: this.aid, data: this };
                         return this.cellselect(evt, true);
                     });

src/core/tags/ListViewTag.ts

@@ -182,7 +182,7 @@ namespace OS {
                         e.stopPropagation();
                     });
 
-                    $(this.refs.item).on("dblclick",(e) => {
+                    $(this.refs.item).on(OS.mobile?"dbltap":"dblclick",(e) => {
                         this._ondbclick({ id: this.aid, data: this, originalEvent: e });
                         e.stopPropagation();
                     });

src/core/tags/TreeViewTag.ts

@@ -384,7 +384,7 @@ namespace OS {
                     $(this.refs.wrapper).on("click",(e) => {
                         this.selected = true;
                     });
-                    $(this.refs.wrapper).on("dblclick", (e) => {
+                    $(this.refs.wrapper).on(OS.mobile?"dbltap":"dblclick", (e) => {
                         this._evt.data.dblclick = true;
                         this.selected = true;
                     });