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- /*
- * Copyright 2000-2014 Vaadin Ltd.
- *
- * 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.
- */
-
- package com.vaadin.ui;
-
- import com.vaadin.data.Property;
- import com.vaadin.event.FieldEvents.BlurEvent;
- import com.vaadin.event.FieldEvents.BlurListener;
- import com.vaadin.event.FieldEvents.FocusAndBlurServerRpcImpl;
- import com.vaadin.event.FieldEvents.FocusEvent;
- import com.vaadin.event.FieldEvents.FocusListener;
- import com.vaadin.shared.MouseEventDetails;
- import com.vaadin.shared.ui.checkbox.CheckBoxServerRpc;
- import com.vaadin.shared.ui.checkbox.CheckBoxState;
-
- public class CheckBox extends AbstractField<Boolean> {
-
- private CheckBoxServerRpc rpc = new CheckBoxServerRpc() {
-
- @Override
- public void setChecked(boolean checked,
- MouseEventDetails mouseEventDetails) {
- if (isReadOnly()) {
- return;
- }
-
- /*
- * Client side updates the state before sending the event so we need
- * to make sure the cached state is updated to match the client. If
- * we do not do this, a reverting setValue() call in a listener will
- * not cause the new state to be sent to the client.
- *
- * See #11028, #10030.
- */
- getUI().getConnectorTracker().getDiffState(CheckBox.this)
- .put("checked", checked);
-
- final Boolean oldValue = getValue();
- final Boolean newValue = checked;
-
- if (!newValue.equals(oldValue)) {
- // The event is only sent if the switch state is changed
- setValue(newValue);
- }
-
- }
- };
-
- FocusAndBlurServerRpcImpl focusBlurRpc = new FocusAndBlurServerRpcImpl(this) {
- @Override
- protected void fireEvent(Event event) {
- CheckBox.this.fireEvent(event);
- }
- };
-
- /**
- * Creates a new checkbox.
- */
- public CheckBox() {
- registerRpc(rpc);
- registerRpc(focusBlurRpc);
- setValue(Boolean.FALSE);
- }
-
- /**
- * Creates a new checkbox with a set caption.
- *
- * @param caption
- * the Checkbox caption.
- */
- public CheckBox(String caption) {
- this();
- setCaption(caption);
- }
-
- /**
- * Creates a new checkbox with a caption and a set initial state.
- *
- * @param caption
- * the caption of the checkbox
- * @param initialState
- * the initial state of the checkbox
- */
- public CheckBox(String caption, boolean initialState) {
- this(caption);
- setValue(initialState);
- }
-
- /**
- * Creates a new checkbox that is connected to a boolean property.
- *
- * @param state
- * the Initial state of the switch-button.
- * @param dataSource
- */
- public CheckBox(String caption, Property<?> dataSource) {
- this(caption);
- setPropertyDataSource(dataSource);
- }
-
- @Override
- public Class<Boolean> getType() {
- return Boolean.class;
- }
-
- @Override
- protected CheckBoxState getState() {
- return (CheckBoxState) super.getState();
- }
-
- /*
- * Overridden to keep the shared state in sync with the AbstractField
- * internal value. Should be removed once AbstractField is refactored to use
- * shared state.
- *
- * See tickets #10921 and #11064.
- */
- @Override
- protected void setInternalValue(Boolean newValue) {
- super.setInternalValue(newValue);
- if (newValue == null) {
- newValue = false;
- }
- getState().checked = newValue;
- }
-
- public void addBlurListener(BlurListener listener) {
- addListener(BlurEvent.EVENT_ID, BlurEvent.class, listener,
- BlurListener.blurMethod);
- }
-
- /**
- * @deprecated As of 7.0, replaced by {@link #addBlurListener(BlurListener)}
- **/
- @Deprecated
- public void addListener(BlurListener listener) {
- addBlurListener(listener);
- }
-
- public void removeBlurListener(BlurListener listener) {
- removeListener(BlurEvent.EVENT_ID, BlurEvent.class, listener);
- }
-
- /**
- * @deprecated As of 7.0, replaced by
- * {@link #removeBlurListener(BlurListener)}
- **/
- @Deprecated
- public void removeListener(BlurListener listener) {
- removeBlurListener(listener);
- }
-
- public void addFocusListener(FocusListener listener) {
- addListener(FocusEvent.EVENT_ID, FocusEvent.class, listener,
- FocusListener.focusMethod);
- }
-
- /**
- * @deprecated As of 7.0, replaced by
- * {@link #addFocusListener(FocusListener)}
- **/
- @Deprecated
- public void addListener(FocusListener listener) {
- addFocusListener(listener);
- }
-
- public void removeFocusListener(FocusListener listener) {
- removeListener(FocusEvent.EVENT_ID, FocusEvent.class, listener);
- }
-
- /**
- * @deprecated As of 7.0, replaced by
- * {@link #removeFocusListener(FocusListener)}
- **/
- @Deprecated
- public void removeListener(FocusListener listener) {
- removeFocusListener(listener);
- }
-
- /**
- * Get the boolean value of the button state.
- *
- * @return True iff the button is pressed down or checked.
- *
- * @deprecated As of 7.0, use {@link #getValue()} instead and, if needed,
- * handle null values.
- */
- @Deprecated
- public boolean booleanValue() {
- Boolean value = getValue();
- return (null == value) ? false : value.booleanValue();
- }
- }
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