/
AbstractValueWidget.java
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/
AbstractValueWidget.java
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/*
* #%L
* GwtMaterial
* %%
* Copyright (C) 2015 - 2017 GwtMaterialDesign
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package gwt.material.design.client.base;
import com.google.gwt.dom.client.Element;
import com.google.gwt.editor.client.EditorError;
import com.google.gwt.editor.client.HasEditorErrors;
import com.google.gwt.editor.client.LeafValueEditor;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.HasValue;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.Widget;
import gwt.material.design.client.base.error.ErrorHandler;
import gwt.material.design.client.base.error.ErrorHandlerType;
import gwt.material.design.client.base.error.HasErrorHandler;
import gwt.material.design.client.base.mixin.*;
import gwt.material.design.client.base.validator.BlankValidator;
import gwt.material.design.client.base.validator.HasValidators;
import gwt.material.design.client.base.validator.ValidationChangedEvent;
import gwt.material.design.client.base.validator.Validator;
import gwt.material.design.client.constants.Position;
import gwt.material.design.client.constants.StatusDisplayType;
import gwt.material.design.client.ui.MaterialIcon;
import gwt.material.design.client.ui.MaterialLabel;
import gwt.material.design.client.ui.MaterialValueBox;
import java.util.List;
public abstract class AbstractValueWidget<V> extends MaterialWidget implements HasResetField, HasValue<V>, LeafValueEditor<V>,
HasEditorErrors<V>, HasErrorHandler, HasStatusText, HasValidators<V>, HasRequiredField, HasClearOnKeyUp, HasCopyCommand {
private V initialValue;
private boolean allowBlank = true;
private boolean autoValidate;
private BlankValidator<V> blankValidator;
private ValidatorMixin<AbstractValueWidget<V>, V> validatorMixin;
private StatusTextMixin<AbstractValueWidget, ?> statusTextMixin;
private ErrorHandlerMixin<V> errorHandlerMixin;
private RequiredFieldMixin<AbstractValueWidget, UIObject> requiredFieldMixin;
private ResetFieldMixin<Widget> resetFieldMixin;
private ClearOnKeyUpMixin<AbstractValueWidget, MaterialLabel> clearOnKeyUpMixin;
private HandlerRegistration attachHandler, blurHandler;
protected CopyCommandMixin<AbstractValueWidget> copyCommandMixin;
public AbstractValueWidget(Element element) {
super(element);
}
public AbstractValueWidget(Element element, String... initialClass) {
super(element, initialClass);
}
@Override
public void setValue(V value) {
setValue(value, false);
if (initialValue == null) {
initialValue = value;
}
}
@Override
public void setValue(V value, boolean fireEvents) {
if (fireEvents) {
ValueChangeEvent.fire(this, value);
}
}
public void setValue(V value, boolean fireEvents, boolean reload) {
setValue(value, fireEvents);
if (this instanceof HasReload) {
if (reload) {
((HasReload) this).reload();
}
}
}
public V getInitialValue() {
return initialValue;
}
public void setInitialValue(V initialValue) {
this.initialValue = initialValue;
}
@Override
public void setErrorText(String errorText) {
getStatusTextMixin().setErrorText(errorText);
}
@Override
public void setSuccessText(String successText) {
getStatusTextMixin().setSuccessText(successText);
}
@Override
public void setHelperText(String helperText) {
getStatusTextMixin().setHelperText(helperText);
}
@Override
public void clearErrorText() {
getStatusTextMixin().clearErrorText();
}
@Override
public void clearHelperText() {
getStatusTextMixin().clearHelperText();
}
@Override
public void clearSuccessText() {
getStatusTextMixin().clearSuccessText();
}
@Override
public void clearStatusText() {
getStatusTextMixin().clearStatusText();
}
@Override
public boolean isErrorTextVisible() {
return getStatusTextMixin().isErrorTextVisible();
}
@Override
public boolean isHelperTextVisible() {
return getStatusTextMixin().isHelperTextVisible();
}
@Override
public boolean isSuccessTextVisible() {
return getStatusTextMixin().isSuccessTextVisible();
}
@Override
public void resetFields() {
getResetFieldMixin().resetFields();
getValidatorMixin().reset();
}
@Override
public void setAllowResettingFields(boolean allowResettingFields) {
getResetFieldMixin().setAllowResettingFields(allowResettingFields);
}
@Override
public boolean isAllowResettingFields() {
return getResetFieldMixin().isAllowResettingFields();
}
@Override
public void setStatusDisplayType(StatusDisplayType displayType) {
getStatusTextMixin().setStatusDisplayType(displayType);
}
@Override
public StatusDisplayType getStatusDisplayType() {
return getStatusTextMixin().getStatusDisplayType();
}
@Override
public void setStatusShowByDefault(boolean showByDefault) {
getStatusTextMixin().setStatusShowByDefault(showByDefault);
}
@Override
public void updateStatusDisplay(StatusDisplayMixin.StatusType statusType) {
getStatusTextMixin().updateStatusDisplay(statusType);
}
@Override
public void showErrors(List<EditorError> errors) {
getErrorHandlerMixin().showErrors(errors);
}
@Override
public ErrorHandler getErrorHandler() {
return getErrorHandlerMixin().getErrorHandler();
}
@Override
public void setErrorHandler(ErrorHandler errorHandler) {
getErrorHandlerMixin().setErrorHandler(errorHandler);
}
@Override
public ErrorHandlerType getErrorHandlerType() {
return getErrorHandlerMixin().getErrorHandlerType();
}
@Override
public void setErrorHandlerType(ErrorHandlerType errorHandlerType) {
getErrorHandlerMixin().setErrorHandlerType(errorHandlerType);
}
@Override
public void addValidator(Validator<V> validator) {
getValidatorMixin().addValidator(validator);
}
@Override
public boolean isValidateOnBlur() {
return getValidatorMixin().isValidateOnBlur();
}
@Override
public boolean removeValidator(Validator<V> validator) {
return getValidatorMixin().removeValidator(validator);
}
@Override
public void reset() {
getValidatorMixin().reset();
}
@Override
public void setValidateOnBlur(boolean validateOnBlur) {
getValidatorMixin().setValidateOnBlur(validateOnBlur);
setupBlurValidation();
}
@Override
public void setValidators(@SuppressWarnings("unchecked") Validator<V>... validators) {
getValidatorMixin().setValidators(validators);
}
@Override
public boolean validate() {
return getValidatorMixin().validate();
}
@Override
public boolean validate(boolean show) {
return getValidatorMixin().validate(show);
}
@Override
public void setRequired(boolean required) {
getRequiredFieldMixin().setRequired(required);
}
@Override
public boolean isRequired() {
return getRequiredFieldMixin().isRequired();
}
/**
* Enable or disable the default blank validator.
*/
public void setAllowBlank(boolean allowBlank) {
this.allowBlank = allowBlank;
// Setup the allow blank validation
if (!allowBlank) {
if (blankValidator == null) {
blankValidator = createBlankValidator();
}
setupBlurValidation();
addValidator(blankValidator);
} else {
removeValidator(blankValidator);
}
}
/**
* Will this widget allow blank values upon validation.
*/
public boolean isAllowBlank() {
return allowBlank;
}
/**
* Hook for custom blank validators.
*
* @return the blank validatorMixin
*/
protected BlankValidator<V> createBlankValidator() {
return new BlankValidator<>();
}
protected void setupBlurValidation() {
final AbstractValueWidget inputWidget = getValidatorMixin().getInputWidget();
if (!inputWidget.isAttached()) {
if (attachHandler == null) {
attachHandler = inputWidget.addAttachHandler(event -> {
if (blurHandler == null) {
blurHandler = inputWidget.addBlurHandler(blurEvent -> {
validate(isValidateOnBlur());
});
}
});
}
} else {
if (blurHandler == null) {
blurHandler = inputWidget.addBlurHandler(event -> validate(isValidateOnBlur()));
}
}
}
@Deprecated
public boolean isAutoValidate() {
return autoValidate;
}
/**
* This method was deprecated and replaced by {@link #setValidateOnBlur(boolean)}
*/
@Deprecated
public void setAutoValidate(boolean autoValidate) {
this.autoValidate = autoValidate;
if (autoValidate) {
if (isAttached()) {
autoValidate();
} else {
registerHandler(addAttachHandler(event -> autoValidate()));
}
}
}
@Deprecated
protected void autoValidate() {
registerHandler(addBlurHandler(event -> validate()));
}
@Override
public void setClearOnKeyUp(boolean value) {
getClearOnKeyUpMixin().setClearOnKeyUp(value);
}
@Override
public boolean isClearOnKeyUp() {
return getClearOnKeyUpMixin().isClearOnKeyUp();
}
@Override
public void setClearKeyCode(int keyCode) {
getClearOnKeyUpMixin().setClearKeyCode(keyCode);
}
@Override
public int getClearKeyCode() {
return getClearOnKeyUpMixin().getClearKeyCode();
}
@Override
public void setStatusDisplayPosition(Position position) {
getStatusTextMixin().setStatusDisplayPosition(position);
}
@Override
public void setCopyCommand(CopyCommand copyCommand) {
getCopyCommandMixin().setCopyCommand(copyCommand);
}
@Override
public CopyCommand getCopyCommand() {
return getCopyCommandMixin().getCopyCommand();
}
@Override
public void setCopyCommandCallback(CopyCommandCallback callback) {
getCopyCommandMixin().setCopyCommandCallback(callback);
}
@Override
public void setCopyCommandLocale(CopyCommandLocale locale) {
getCopyCommandMixin().setCopyCommandLocale(locale);
}
@Override
public void setCopyCommandIcon(MaterialIcon icon) {
getCopyCommandMixin().setCopyCommandIcon(icon);
}
@Override
public MaterialIcon getCopyCommandIcon() {
return getCopyCommandMixin().getCopyCommandIcon();
}
@Override
public HandlerRegistration addValidationChangedHandler(ValidationChangedEvent.ValidationChangedHandler handler) {
return getValidatorMixin().addValidationChangedHandler(handler);
}
@Override
public HandlerRegistration addValueChangeHandler(ValueChangeHandler<V> handler) {
return addHandler(handler, ValueChangeEvent.getType());
}
protected ValidatorMixin<AbstractValueWidget<V>, V> getValidatorMixin() {
if (validatorMixin == null) {
validatorMixin = new ValidatorMixin<>(this, getErrorHandler());
}
return validatorMixin;
}
protected StatusTextMixin<AbstractValueWidget, ?> getStatusTextMixin() {
if (statusTextMixin == null) {
statusTextMixin = new StatusTextMixin<>(this);
}
return statusTextMixin;
}
protected ErrorHandlerMixin<V> getErrorHandlerMixin() {
if (errorHandlerMixin == null) {
errorHandlerMixin = new ErrorHandlerMixin<>(this);
}
return errorHandlerMixin;
}
protected RequiredFieldMixin<AbstractValueWidget, UIObject> getRequiredFieldMixin() {
if (requiredFieldMixin == null) {
requiredFieldMixin = new RequiredFieldMixin<>(this, getStatusTextMixin().getPlaceholder());
}
return requiredFieldMixin;
}
public ClearOnKeyUpMixin<AbstractValueWidget, MaterialLabel> getClearOnKeyUpMixin() {
if (clearOnKeyUpMixin == null) {
clearOnKeyUpMixin = new ClearOnKeyUpMixin(this, getStatusTextMixin().getPlaceholder());
}
return clearOnKeyUpMixin;
}
protected CopyCommandMixin<AbstractValueWidget> getCopyCommandMixin() {
if (copyCommandMixin == null) {
copyCommandMixin = new CopyCommandMixin(this);
}
return copyCommandMixin;
}
public ResetFieldMixin<Widget> getResetFieldMixin() {
if (resetFieldMixin == null) {
resetFieldMixin = new ResetFieldMixin<>(this);
}
return resetFieldMixin;
}
}