TypeScript alloy.Invalidating類代碼示例

 const validatingBehaviours = spec.validation.map((vl) => {
   return Invalidating.config({
     getRoot(input) {
       return Traverse.parent(input.element());
     },
     invalidClass: 'tox-invalid',
     validator: {
       validate(input) {
         const v = Representing.getValue(input);
         const result = vl.validator(v);
         return Future.pure(result === true ? Result.value(v) : Result.error(result));
       },
       validateOnLoad: vl.validateOnLoad
     }
   });
 }).toArray();

 (handler) => Invalidating.config({
   getRoot: (comp) => Traverse.parent(comp.element()),
   invalidClass: 'tox-control-wrap--status-invalid',
   notify: {
     onInvalid: (comp: AlloyComponent, err: string) => {
       memInvalidIcon.getOpt(comp).each((invalidComp) => {
         Attr.set(invalidComp.element(), 'title', providersBackstage.translate(err));
       });
     }
   },
   validator: {
     validate: (input) => {
       const urlEntry = Representing.getValue(input);
       return FutureResult.nu((completer) => {
         handler({ type: spec.filetype, url: urlEntry.value }, (validation) => {
           completer((validation.status === 'invalid' ? Result.error : Result.value)(validation.message));
         });
       });
     },
     validateOnLoad: false
   }
 })

    (doc, body, gui, component, store) => {
      const input = component.getSystem().getByDom(
        SelectorFind.descendant(component.element(), 'input').getOrDie('Could not find input in colorinput')
      ).getOrDie();

      const legend = component.getSystem().getByDom(
        // Intentionally, only finding direct child
        SelectorFind.descendant(component.element(), 'span').getOrDie('Could not find legend in colorinput')
      ).getOrDie();

      const sSetColorInputValue = (newValue: string) => Step.sync(() => {
        // Once we put more identifying marks on a colorinput, use that instead.
        const colorinput = component.components()[0];
        Representing.setValue(colorinput, newValue);
      });

      const sOpenPicker = Logger.t(
        'Clicking the legend should bring up the colorswatch',
        GeneralSteps.sequence([
          Mouse.sClickOn(legend.element(), 'root:span'),
          UiFinder.sWaitFor('Waiting for colorswatch to show up!', sink, '.tox-swatches')
        ])
      );

      const sAssertFocusedValue = (label: string, expected: string) => Logger.t(label, Chain.asStep(sink, [
        FocusTools.cGetActiveValue,
        Assertions.cAssertEq('Checking value of focused element', expected)
      ]));

      const sAssertLegendBackground = (label: string, f) => Assertions.sAssertStructure(
        label + ': Checking background of legend button',
        ApproxStructure.build((s, str, arr) => {
          return s.element('span', {
            styles: {
              'background-color': f(s, str, arr)
            }
          });
        }),
        legend.element()
      );

      const sAssertContainerClasses = (label: string, f) => {
        return Waiter.sTryUntil(
          label + ': Checking classes on container',
          Assertions.sAssertStructure(
            'Checking classes only',
            ApproxStructure.build((s, str, arr) => {
              return s.element('div', {
                classes: f(s, str, arr)
                // ignore children
              });
            }),
            Traverse.parent(input.element()).getOrDie('Could not find parent of input')
          ),
          100,
          1000
        );
      };

      return [
        TestHelpers.GuiSetup.mAddStyles(doc, [
          '.tox-textbox-field-invalid input { outline: 2px solid red; }',
          '.tox-color-input span { padding: 4px 8px; }',
          '.tox-swatch { padding: 8px 4px }'
        ]),
        Assertions.sAssertStructure(
          'Checking initial structure',
          ApproxStructure.build((s, str, arr) => {
            return s.element('div', {
              children: [
                s.element('div', {
                  children: [
                    // Ignore other information because it is subject to change. No oxide example yet.
                    s.element('label', { }),
                    s.element('div', {
                      children: [
                        s.element('input', { }),
                        s.element('span', { })
                      ]
                    })
                  ]
                })
              ]
            });
          }),
          component.element()
        ),

        Logger.t(
          'Initially, the colour should not be invalid',
          GeneralSteps.sequence([
            Assertions.sAssertEq('Invalidating.isInvalid', false, Invalidating.isInvalid(input))
          ])
        ),

        Logger.t(
          'Type an invalid colour: "notblue"',
          GeneralSteps.sequence([
            FocusTools.sSetFocus('Move focus to input field', component.element(), 'input'),
            FocusTools.sSetActiveValue(doc, 'notblue'),
//.........這裏部分代碼省略.........

 onSetValue: (c) => Invalidating.run(c).get(() => { }),

export const renderColorInput = (spec: Types.ColorInput.ColorInput, sharedBackstage: UiFactoryBackstageShared, colorInputBackstage: UiFactoryBackstageForColorInput): SimpleSpec => {
  const pField = FormField.parts().field({
    factory: Input,
    inputClasses: ['tox-textfield'],

    onSetValue: (c) => Invalidating.run(c).get(() => { }),

    inputBehaviours: Behaviour.derive([
      Tabstopping.config({ }),
      Invalidating.config({
        invalidClass: 'tox-textbox-field-invalid',
        getRoot: (comp) => {
          return Traverse.parent(comp.element());
        },
        notify: {
          onValid: (comp) => {
            // onValid should pass through the value here
            // We need a snapshot of the value validated.
            const val = Representing.getValue(comp);
            AlloyTriggers.emitWith(comp, colorInputChangeEvent, {
              color: val
            });
          }
        },
        validator: {
          validateOnLoad: false,
          validate: (input) => {
            const inputValue = Representing.getValue(input);
            // Consider empty strings valid colours
            if (inputValue.length === 0) {
              return Future.pure(Result.value(true));
            } else {
              const span = Element.fromTag('span');
              Css.set(span, 'background-color', inputValue);

              const res = Css.getRaw(span, 'background-color').fold(
                // TODO: Work out what we want to do here.
                () => Result.error('blah'),
                (_) => Result.value(inputValue)
              );

              return Future.pure(res);
            }
          }
        }
      })
    ]),
    selectOnFocus: false
  });

  const pLabel: Option<AlloySpec> = spec.label.map((label) => renderLabel(label, sharedBackstage.providers));

  const emitSwatchChange = (colorBit, value) => {
    AlloyTriggers.emitWith(colorBit, colorSwatchChangeEvent, {
      value
    });
  };

  const onItemAction = (comp: AlloyComponent, value) => {
    memColorButton.getOpt(comp).each((colorBit) => {
      if (value === 'custom') {
        colorInputBackstage.colorPicker((valueOpt) => {
          valueOpt.fold(
            () => AlloyTriggers.emit(colorBit, colorPickerCancelEvent),
            (value) => {
              emitSwatchChange(colorBit, value);
              Settings.addColor(value);
            }
          );
        }, '#ffffff');
      } else if (value === 'remove') {
        emitSwatchChange(colorBit, '');
      } else {
        emitSwatchChange(colorBit, value);
      }
    });
  };

  const memColorButton = Memento.record(
    renderPanelButton({
      dom: {
        tag: 'span',
        attributes: {
          'aria-label': sharedBackstage.providers.translate('Color swatch')
        }
      },
      layouts: Option.some({
        onRtl: () => [ Layout.southeast ],
        onLtr: () => [ Layout.southwest ]
      }),
      components: [],
      fetch: ColorSwatch.getFetch(colorInputBackstage.getColors(), colorInputBackstage.hasCustomColors()),
      columns: colorInputBackstage.getColorCols(),
      presets: 'color',
      onItemAction
    }, sharedBackstage)
  );

  return FormField.sketch({
    dom: {
//.........這裏部分代碼省略.........

 onSetValue: (comp, newValue) => {
   if (comp.hasConfigured(Invalidating)) {
     Invalidating.run(comp).get(Fun.noop);
   }
 },