TypeScript NativeEvents.focusin方法代碼示例

 const getFieldPart = (isField1) => AlloyFormField.parts().field({
   factory: AlloyInput,
   inputClasses: ['tox-textfield'],
   inputBehaviours: Behaviour.derive([
     Tabstopping.config({}),
     AddEventsBehaviour.config('size-input-events', [
       AlloyEvents.run(NativeEvents.focusin(), function (component, simulatedEvent) {
         AlloyTriggers.emitWith(component, ratioEvent, { isField1 });
       }),
       AlloyEvents.run(NativeEvents.change(), function (component, simulatedEvent) {
         AlloyTriggers.emitWith(component, formChangeEvent, { name: spec.name });
       })
     ])
   ]),
   selectOnFocus: false
 });

const initCommonEvents = (fireApiEvent: <E extends CustomEvent>(name: string, f: Function) => any, extras: ExtraListeners) => {
  return [
    // When focus moves onto a tab-placeholder, skip to the next thing in the tab sequence
    AlloyEvents.runWithTarget(NativeEvents.focusin(), NavigableObject.onFocus),

    // TODO: Test if disabled first.
    fireApiEvent<FormCloseEvent>(formCloseEvent, (api, spec) => {
      extras.onClose();
      spec.onClose();
    }),

    // TODO: Test if disabled first.
    fireApiEvent<FormCancelEvent>(formCancelEvent, (api, spec, _event, self) => {
      spec.onCancel(api);
      AlloyTriggers.emit(self, formCloseEvent);
    }),

    AlloyEvents.run<FormUnblockEvent>(formUnblockEvent, (c, se) => extras.onUnblock()),

    AlloyEvents.run<FormBlockEvent>(formBlockEvent, (c, se) => extras.onBlock(se.event()))
  ];
};

export const renderCollection = (spec: Types.Collection.Collection, providersBackstage: UiFactoryBackstageProviders): SketchSpec => {
  // DUPE with TextField.
  const pLabel = spec.label.map((label) => renderLabel(label, providersBackstage));

  const runOnItem = (f: (c: AlloyComponent, tgt: Element, itemValue: string) => void) => <T extends EventFormat>(comp: AlloyComponent, se: SimulatedEvent<T>) => {
    SelectorFind.closest(se.event().target(), '[data-collection-item-value]').each((target) => {
      f(comp, target, Attr.get(target, 'data-collection-item-value'));
    });
  };

  const escapeAttribute = (ch) => {
    if (ch === '"') { return '&quot;'; }
    return ch;
  };

  const setContents = (comp, items) => {
    const htmlLines = Arr.map(items, (item) => {
      const textContent = spec.columns === 1 ? `<div class="tox-collection__item-label">${item.text}</div>` : '';

      const iconContent = `<div class="tox-collection__item-icon">${item.icon}</div>`;

      // Replacing the hyphens and underscores in collection items with spaces
      // to ensure the screen readers pronounce the words correctly.
      // This is only for aria purposes. Emoticon and Special Character names will still use _ and - for autocompletion.
      const mapItemName = {
        '_': ' ',
        ' - ': ' ',
        '-': ' '
      };

      // Title attribute is added here to provide tooltips which might be helpful to sighted users.
      // Using aria-label here overrides the Apple description of emojis and special characters in Mac/ MS description in Windows.
      // But if only the title attribute is used instead, the names are read out twice. i.e., the description followed by the item.text.
      const ariaLabel = item.text.replace(/\_| \- |\-/g, (match) => {
        return mapItemName[match];
      });
      return `<div class="tox-collection__item" tabindex="-1" data-collection-item-value="${escapeAttribute(item.value)}" title="${ariaLabel}" aria-label="${ariaLabel}">${iconContent}${textContent}</div>`;
    });

    const chunks = spec.columns > 1 && spec.columns !== 'auto' ? Arr.chunk(htmlLines, spec.columns) : [ htmlLines ];
    const html = Arr.map(chunks, (ch) => {
      return `<div class="tox-collection__group">${ch.join('')}</div>`;
    });

    Html.set(comp.element(), html.join(''));
  };

  const collectionEvents = [
    AlloyEvents.run<SugarEvent>(NativeEvents.mouseover(), runOnItem((comp, tgt) => {
      Focus.focus(tgt);
    })),
    AlloyEvents.run<SugarEvent>(SystemEvents.tapOrClick(), runOnItem((comp, tgt, itemValue) => {
      AlloyTriggers.emitWith(comp, formActionEvent, {
        name: spec.name,
        value: itemValue
      });
    })),
    AlloyEvents.run(NativeEvents.focusin(), runOnItem((comp, tgt, itemValue) => {
      SelectorFind.descendant(comp.element(), '.' + ItemClasses.activeClass).each((currentActive) => {
        Class.remove(currentActive, ItemClasses.activeClass);
      });
      Class.add(tgt, ItemClasses.activeClass);
    })),
    AlloyEvents.run(NativeEvents.focusout(), runOnItem((comp, tgt, itemValue) => {
      SelectorFind.descendant(comp.element(), '.' + ItemClasses.activeClass).each((currentActive) => {
        Class.remove(currentActive, ItemClasses.activeClass);
      });
    })),
    AlloyEvents.runOnExecute(runOnItem((comp, tgt, itemValue) => {
      AlloyTriggers.emitWith(comp, formActionEvent, {
        name: spec.name,
        value: itemValue
      });
    }))
  ];

  const pField = AlloyFormField.parts().field({
    dom: {
      tag: 'div',
      // FIX: Read from columns
      classes: [ 'tox-collection' ].concat(spec.columns !== 1 ? [ 'tox-collection--grid' ] : [ 'tox-collection--list' ])
    },
    components: [ ],
    factory: { sketch: Fun.identity },
    behaviours: Behaviour.derive([
      Replacing.config({ }),
      Representing.config({
        store: {
          mode: 'memory',
          initialValue: [ ]
        },
        onSetValue: (comp, items) => {
          setContents(comp, items);
          if (spec.columns === 'auto') {
            detectSize(comp, 5, 'tox-collection__item').each(({ numRows, numColumns }) => {
              Keying.setGridSize(comp, numRows, numColumns);
            });
          }

          AlloyTriggers.emit(comp, formResizeEvent);
//.........這裏部分代碼省略.........

const renderModalDialog = (spec: DialogSpec, initialData, dialogEvents: AlloyEvents.AlloyEventKeyAndHandler<any>[], backstage: UiFactoryBackstage) => {
  const updateState = (_comp, incoming) => {
    return Option.some(incoming);
  };

  return GuiFactory.build(
    ModalDialog.sketch({
      lazySink: backstage.shared.getSink,
      // TODO: Disable while validating
      onEscape(c) {
        AlloyTriggers.emit(c, formCancelEvent);
        return Option.some(true);
      },

      useTabstopAt: (elem) => {
        return !NavigableObject.isPseudoStop(elem) && (
          Node.name(elem) !== 'button' || Attr.get(elem, 'disabled') !== 'disabled'
        );
      },

      modalBehaviours: Behaviour.derive([
        Reflecting.config({
          channel: dialogChannel,
          updateState,
          initialData
        }),
        RepresentingConfigs.memory({ }),
        Focusing.config({}),
        AddEventsBehaviour.config('execute-on-form', dialogEvents.concat([
          AlloyEvents.runOnSource(NativeEvents.focusin(), (comp, se) => {
            Keying.focusIn(comp);
          })
        ])),
        AddEventsBehaviour.config('scroll-lock', [
          AlloyEvents.runOnAttached(() => {
            Class.add(Body.body(), 'tox-dialog__disable-scroll');
          }),
          AlloyEvents.runOnDetached(() => {
            Class.remove(Body.body(), 'tox-dialog__disable-scroll');
          }),
        ]),
        ...spec.extraBehaviours
      ]),

      eventOrder: {
        [SystemEvents.execute()]: [ 'execute-on-form' ],
        [SystemEvents.receive()]: [ 'reflecting', 'receiving' ],
        [SystemEvents.attachedToDom()]: [ 'scroll-lock', 'reflecting', 'messages', 'execute-on-form', 'alloy.base.behaviour' ],
        [SystemEvents.detachedFromDom()]: [ 'alloy.base.behaviour', 'execute-on-form', 'messages', 'reflecting', 'scroll-lock' ],
      },

      dom: {
        tag: 'div',
        classes: [ 'tox-dialog' ].concat(spec.extraClasses),
        styles: {
          position: 'relative',
          ...spec.extraStyles
        }
      },
      components: [
        spec.header,
        spec.body,
        ...spec.footer.toArray()
      ],
      dragBlockClass: 'tox-dialog-wrap',
      parts: {
        blocker: {
          dom: DomFactory.fromHtml('<div class="tox-dialog-wrap"></div>'),
          components: [
            {
              dom: {
                tag: 'div',
                classes: [ 'tox-dialog-wrap__backdrop' ]
              }
            }
          ]
        }
      }
    })
  );
};