com.phloxui
Version:
PhloxUI Ng2+ Framework
201 lines (200 loc) • 25.2 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
import { EventEmitter } from '@angular/core';
import { Subscription } from 'rxjs';
export class EventUtils {
/**
* @param {?} type
* @param {?} ngComponent
* @param {?} data
* @param {?} $browserEvent
* @return {?}
*/
static newCustomEvent(type, ngComponent, data, $browserEvent) {
let /** @type {?} */ option = {};
option['type'] = type;
option.detail = {};
option.detail['time'] = new Date();
option.detail['target'] = ngComponent;
option.detail['event'] = $browserEvent;
option.detail['data'] = data;
option.detail['eventTarget'] = ($browserEvent === null || typeof $browserEvent === 'undefined') ? undefined : $browserEvent.target;
option['bubbles'] = true;
option['cancelable'] = true;
return this.newCustomEventWithOption(option);
}
/**
* @param {?} option
* @return {?}
*/
static newCustomEventWithOption(option) {
let /** @type {?} */ ev = new CustomEvent(option.type, {
detail: {
time: option.detail.time,
target: option.detail.target,
event: option.detail.event,
data: option.detail.data,
eventTarget: option.detail.eventTarget
},
bubbles: option.bubbles,
cancelable: option.cancelable
});
return ev;
}
/**
* @param {?} component
* @param {?} beforeEventVarName
* @param {?=} $browserEvent
* @param {?=} fireEvent
* @param {?=} doEvent
* @param {?=} emitBeforeEvent
* @param {?=} emitAfterEvent
* @param {?=} doPrevented
* @param {?=} subscrSuffix
* @return {?}
*/
static handleBrowserEvent(component, beforeEventVarName, $browserEvent, fireEvent, doEvent, emitBeforeEvent, emitAfterEvent, doPrevented, subscrSuffix) {
if (fireEvent === null || fireEvent === undefined) {
fireEvent = true;
}
if (!component) {
throw 'The parameter "component" must be specified.';
}
if (!beforeEventVarName) {
throw 'The parameter "beforeEventVarName" must be specified.';
}
let /** @type {?} */ beforeEvent = component[beforeEventVarName];
if (!beforeEvent) {
throw 'Could not find property "' + beforeEventVarName + '" in the given component.';
}
if (!(beforeEvent instanceof EventEmitter)) {
throw 'The property "' + beforeEventVarName + '" is not an EventEmitter.';
}
let /** @type {?} */ subscrName = '__' + beforeEventVarName + (subscrSuffix ? '_' + subscrSuffix : '') + '_subscr' + '__';
// Copy & Paste code below
let /** @type {?} */ subscr = component[subscrName];
if (subscr !== null && subscr !== undefined && !(subscr instanceof Subscription)) {
throw 'The property collision detected: "' + subscrName + '".';
}
if (emitBeforeEvent && typeof emitBeforeEvent !== 'function') {
throw 'The parameter "emitBeforeEvent" must be a function.';
}
if (emitAfterEvent && typeof emitAfterEvent !== 'function') {
throw 'The parameter "emitAfterEvent" must be a function.';
}
if (doEvent && typeof doEvent !== 'function') {
throw 'The parameter "doEvent" must be a function.';
}
if (doPrevented && typeof doPrevented !== 'function') {
throw 'The parameter "doPrevented" must be a function.';
}
return new Promise((resolve, reject) => {
let /** @type {?} */ doInit = () => {
component[subscrName] = beforeEvent.subscribe(($event) => {
let /** @type {?} */ browserEvent = $event;
try {
browserEvent = $event.detail.event;
}
catch (/** @type {?} */ e) {
}
let /** @type {?} */ prom = undefined;
if (!$event.defaultPrevented) {
if (doEvent) {
prom = doEvent(browserEvent);
}
}
else {
if (doPrevented) {
prom = doPrevented(browserEvent);
}
}
if (prom === null || prom === undefined) {
prom = Promise.resolve(null);
}
else if (!(prom instanceof Promise)) {
prom = Promise.resolve(prom);
}
if (emitAfterEvent) {
prom.then((result) => {
if (!$event.defaultPrevented) {
// Emit after event in Promise in case of doEvent()
// returns a promise.
emitAfterEvent.call(component, browserEvent, result);
}
// Delegate result to the next then().
return result;
});
}
prom.then((result) => {
resolve(result);
}).catch((error) => {
reject(error);
});
});
};
let /** @type {?} */ undoInit = () => {
if (subscr) {
subscr.unsubscribe();
}
component[subscrName] = undefined;
};
if (fireEvent) {
// Always unsubscribe old before event handler to
// refresh a new doEvent() & doPrevent() function.
undoInit();
if (beforeEvent.observers.length > 0 && emitBeforeEvent) {
// Auto subscribe before event with a new doEvent()
// & doPrevent() function at the end of stream.
doInit();
// Before event subscribers found, only emit before event.
emitBeforeEvent.call(component, $browserEvent);
}
else {
// No before event subscribers found.
let /** @type {?} */ prom = undefined;
if (doEvent) {
prom = doEvent($browserEvent);
}
if (emitAfterEvent) {
if (prom === null || prom === undefined) {
prom = Promise.resolve(null);
}
else if (!(prom instanceof Promise)) {
prom = Promise.resolve(prom);
}
prom.then((result) => {
// Emit after event in Promise in case of doEvent()
// returns a promise.
emitAfterEvent.call(component, $browserEvent, result);
resolve(result);
}).catch((error) => {
reject(error);
});
}
}
}
else if (doEvent) {
let /** @type {?} */ prom = undefined;
if (doEvent) {
prom = doEvent($browserEvent);
}
if (prom === null || prom === undefined) {
prom = Promise.resolve(null);
}
else if (!(prom instanceof Promise)) {
prom = Promise.resolve(prom);
}
// We've to wrap doEvent() result into prom
// in case of it returns a promise.
prom.then((result) => {
resolve(result);
}).catch((error) => {
reject(error);
});
}
});
}
}
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{ EventEmitter } from '@angular/core';\r\nimport { Subscription } from 'rxjs';\r\n\r\nexport class EventUtils {\r\n\r\n  public static newCustomEvent(type: any, ngComponent: any, data: any, $browserEvent: any): CustomEvent {\r\n    let option: any = {};\r\n\r\n    option['type'] = type;\r\n\r\n    option.detail = {};\r\n    option.detail['time'] = new Date();\r\n    option.detail['target'] = ngComponent;\r\n    option.detail['event'] = $browserEvent;\r\n    option.detail['data'] = data;\r\n    option.detail['eventTarget'] = ($browserEvent === null || typeof $browserEvent === 'undefined') ? undefined : $browserEvent.target;\r\n\r\n    option['bubbles'] = true;\r\n    option['cancelable'] = true;\r\n\r\n    return this.newCustomEventWithOption(option);\r\n  }\r\n\r\n  public static newCustomEventWithOption(option: any): CustomEvent {\r\n    let ev = new CustomEvent(\r\n      option.type,\r\n      {\r\n        detail: {\r\n          time: option.detail.time,\r\n          target: option.detail.target,\r\n          event: option.detail.event,\r\n          data: option.detail.data,\r\n          eventTarget: option.detail.eventTarget\r\n        },\r\n        bubbles: option.bubbles,\r\n        cancelable: option.cancelable\r\n      }\r\n    );\r\n\r\n    return ev;\r\n  }\r\n\r\n  public static handleBrowserEvent(component: any, beforeEventVarName: string, $browserEvent?: Event, fireEvent?: boolean, doEvent?: Function, emitBeforeEvent?: Function, emitAfterEvent?: Function, doPrevented?: Function, subscrSuffix?: string): Promise<any> {\r\n    if (fireEvent === null || fireEvent === undefined) {\r\n      fireEvent = true;\r\n    }\r\n\r\n    if (!component) {\r\n      throw 'The parameter \"component\" must be specified.';\r\n    }\r\n    if (!beforeEventVarName) {\r\n      throw 'The parameter \"beforeEventVarName\" must be specified.';\r\n    }\r\n\r\n    let beforeEvent: EventEmitter<any> = component[beforeEventVarName];\r\n\r\n    if (!beforeEvent) {\r\n      throw 'Could not find property \"' + beforeEventVarName + '\" in the given component.';\r\n    }\r\n    if (!(beforeEvent instanceof EventEmitter)) {\r\n      throw 'The property \"' + beforeEventVarName + '\" is not an EventEmitter.';\r\n    }\r\n\r\n    let subscrName: string = '__' + beforeEventVarName + (subscrSuffix ? '_' + subscrSuffix : '') + '_subscr' + '__';\r\n\r\n    // Copy & Paste code below\r\n    let subscr: Subscription = component[subscrName];\r\n\r\n    if (subscr !== null && subscr !== undefined && !(subscr instanceof Subscription)) {\r\n      throw 'The property collision detected: \"' + subscrName + '\".';\r\n    }\r\n    if (emitBeforeEvent && typeof emitBeforeEvent !== 'function') {\r\n      throw 'The parameter \"emitBeforeEvent\" must be a function.';\r\n    }\r\n    if (emitAfterEvent && typeof emitAfterEvent !== 'function') {\r\n      throw 'The parameter \"emitAfterEvent\" must be a function.';\r\n    }\r\n    if (doEvent && typeof doEvent !== 'function') {\r\n      throw 'The parameter \"doEvent\" must be a function.';\r\n    }\r\n    if (doPrevented && typeof doPrevented !== 'function') {\r\n      throw 'The parameter \"doPrevented\" must be a function.';\r\n    }\r\n\r\n    return new Promise<any>((resolve, reject) => {\r\n      let doInit = (): void => {\r\n        component[subscrName] = beforeEvent.subscribe(($event: CustomEvent) => {\r\n          let browserEvent: Event = $event;\r\n          try {\r\n            browserEvent = $event.detail.event;\r\n          } catch (e) {\r\n          }\r\n\r\n          let prom: any = undefined;\r\n\r\n          if (!$event.defaultPrevented) {\r\n            if (doEvent) {\r\n              prom = doEvent(browserEvent);\r\n            }\r\n          } else {\r\n            if (doPrevented) {\r\n              prom = doPrevented(browserEvent);\r\n            }\r\n          }\r\n\r\n          if (prom === null || prom === undefined) {\r\n            prom = Promise.resolve(null);\r\n          } else if (!(prom instanceof Promise)) {\r\n            prom = Promise.resolve(prom);\r\n          }\r\n\r\n          if (emitAfterEvent) {\r\n            prom.then((result) => {\r\n              if (!$event.defaultPrevented) {\r\n                // Emit after event in Promise in case of doEvent()\r\n                // returns a promise.\r\n                emitAfterEvent.call(component, browserEvent, result);\r\n              }\r\n              // Delegate result to the next then().\r\n              return result;\r\n            });\r\n          }\r\n\r\n          prom.then((result) => {\r\n            resolve(result);\r\n          }).catch((error) => {\r\n            reject(error);\r\n          });\r\n        });\r\n      };\r\n      let undoInit = (): void => {\r\n        if (subscr) {\r\n          subscr.unsubscribe();\r\n        }\r\n\r\n        component[subscrName] = undefined;\r\n      };\r\n\r\n      if (fireEvent) {\r\n        // Always unsubscribe old before event handler to\r\n        // refresh a new doEvent() & doPrevent() function.\r\n        undoInit();\r\n\r\n        if (beforeEvent.observers.length > 0 && emitBeforeEvent) {\r\n          // Auto subscribe before event with a new doEvent()\r\n          // & doPrevent() function at the end of stream.\r\n          doInit();\r\n\r\n          // Before event subscribers found, only emit before event.\r\n          emitBeforeEvent.call(component, $browserEvent);\r\n        } else {\r\n          // No before event subscribers found.\r\n          let prom: any = undefined;\r\n\r\n          if (doEvent) {\r\n            prom = doEvent($browserEvent);\r\n          }\r\n\r\n          if (emitAfterEvent) {\r\n            if (prom === null || prom === undefined) {\r\n              prom = Promise.resolve(null);\r\n            } else if (!(prom instanceof Promise)) {\r\n              prom = Promise.resolve(prom);\r\n            }\r\n\r\n            prom.then((result) => {\r\n              // Emit after event in Promise in case of doEvent()\r\n              // returns a promise.\r\n              emitAfterEvent.call(component, $browserEvent, result);\r\n\r\n              resolve(result);\r\n            }).catch((error) => {\r\n              reject(error);\r\n            });\r\n          }\r\n        }\r\n      } else if (doEvent) {\r\n        let prom: any = undefined;\r\n\r\n        if (doEvent) {\r\n          prom = doEvent($browserEvent);\r\n        }\r\n\r\n        if (prom === null || prom === undefined) {\r\n          prom = Promise.resolve(null);\r\n        } else if (!(prom instanceof Promise)) {\r\n          prom = Promise.resolve(prom);\r\n        }\r\n\r\n        // We've to wrap doEvent() result into prom\r\n        // in case of it returns a promise.\r\n        prom.then((result) => {\r\n          resolve(result);\r\n        }).catch((error) => {\r\n          reject(error);\r\n        });\r\n      }\r\n    });\r\n  }\r\n}\r\n"]}