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/*
* Copyright 2000-2016 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 java.time.LocalDate;
import com.vaadin.shared.ui.datefield.LocalDateFieldState;
/**
* A date entry component, which displays the actual date selector as a popup.
*
* @see AbstractLocalDateField
* @see InlineDateField
* @author Vaadin Ltd.
* @since 8.0
*/
public class DateField extends AbstractLocalDateField {
/**
* Constructs an empty <code>DateField</code> with no caption.
*/
public DateField() {
super();
}
/**
* Constructs a new <code>DateField</code> with the given caption and
* initial text contents.
*
* @param caption
* the caption <code>String</code> for the editor.
* @param value
* the LocalDate value.
*/
public DateField(String caption, LocalDate value) {
super(caption, value);
}
/**
* Constructs an empty <code>DateField</code> with caption.
*
* @param caption
* the caption of the datefield.
*/
public DateField(String caption) {
super(caption);
}
/**
* Returns the current placeholder text.
*
* @see #setPlaceholder(String)
* @return the placeholder text
*/
public String getPlaceholder() {
return getState(false).placeholder;
}
/**
* Sets the placeholder text. The placeholder is text that is displayed when
* the field would otherwise be empty, to prompt the user for input.
*
* @param placeholder
* the placeholder text to set
*/
public void setPlaceholder(String placeholder) {
getState().placeholder = placeholder;
}
@Override
protected LocalDateFieldState getState() {
return (LocalDateFieldState) super.getState();
}
@Override
protected LocalDateFieldState getState(boolean markAsDirty) {
return (LocalDateFieldState) super.getState(markAsDirty);
}
/**
* Checks whether the text field is enabled (default) or not.
*
* @see #setTextFieldEnabled(boolean)
*
* @return <b>true</b> if the text field is enabled, <b>false</b> otherwise.
*/
public boolean isTextFieldEnabled() {
return getState(false).textFieldEnabled;
}
/**
* Enables or disables the text field. By default the text field is enabled.
* Disabling it causes only the button for date selection to be active, thus
* preventing the user from entering invalid dates.
*
* See {@link http://dev.vaadin.com/ticket/6790}.
*
* @param state
* <b>true</b> to enable text field, <b>false</b> to disable it.
*/
public void setTextFieldEnabled(boolean state) {
getState().textFieldEnabled = state;
}
/**
* Set a description that explains the usage of the Widget for users of
* assistive devices.
*
* @param description
* String with the description
*/
public void setAssistiveText(String description) {
getState().descriptionForAssistiveDevices = description;
}
/**
* Get the description that explains the usage of the Widget for users of
* assistive devices.
*
* @return String with the description
*/
public String getAssistiveText() {
return getState(false).descriptionForAssistiveDevices;
}
}
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