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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.v7.client.ui;
-
- import java.util.Date;
-
- import com.google.gwt.aria.client.Roles;
- import com.google.gwt.event.dom.client.BlurEvent;
- import com.google.gwt.event.dom.client.BlurHandler;
- import com.google.gwt.event.dom.client.ChangeEvent;
- import com.google.gwt.event.dom.client.ChangeHandler;
- import com.google.gwt.event.dom.client.FocusEvent;
- import com.google.gwt.event.dom.client.FocusHandler;
- import com.google.gwt.event.dom.client.KeyCodes;
- import com.google.gwt.event.dom.client.KeyDownEvent;
- import com.google.gwt.event.dom.client.KeyDownHandler;
- import com.google.gwt.user.client.ui.TextBox;
- import com.vaadin.client.BrowserInfo;
- import com.vaadin.client.Focusable;
- import com.vaadin.client.LocaleNotLoadedException;
- import com.vaadin.client.LocaleService;
- import com.vaadin.client.VConsole;
- import com.vaadin.client.ui.Field;
- import com.vaadin.client.ui.SubPartAware;
- import com.vaadin.client.ui.aria.AriaHelper;
- import com.vaadin.client.ui.aria.HandlesAriaCaption;
- import com.vaadin.client.ui.aria.HandlesAriaInvalid;
- import com.vaadin.client.ui.aria.HandlesAriaRequired;
- import com.vaadin.shared.EventId;
- import com.vaadin.v7.shared.ui.datefield.Resolution;
-
- public class VTextualDate extends VDateField implements Field, ChangeHandler,
- Focusable, SubPartAware, HandlesAriaCaption, HandlesAriaInvalid,
- HandlesAriaRequired, KeyDownHandler {
-
- private static final String PARSE_ERROR_CLASSNAME = "-parseerror";
-
- /** For internal use only. May be removed or replaced in the future. */
- public final TextBox text;
-
- /** For internal use only. May be removed or replaced in the future. */
- public String formatStr;
-
- /** For internal use only. May be removed or replaced in the future. */
- public boolean lenient;
-
- private static final String CLASSNAME_PROMPT = "prompt";
-
- /** For internal use only. May be removed or replaced in the future. */
- public static final String ATTR_INPUTPROMPT = "prompt";
-
- /** For internal use only. May be removed or replaced in the future. */
- public String inputPrompt = "";
-
- private boolean prompting = false;
-
- public VTextualDate() {
- super();
- text = new TextBox();
- text.addChangeHandler(this);
- text.addFocusHandler(new FocusHandler() {
- @Override
- public void onFocus(FocusEvent event) {
- text.addStyleName(VTextField.CLASSNAME + "-"
- + VTextField.CLASSNAME_FOCUS);
- if (prompting) {
- text.setText("");
- setPrompting(false);
- }
- if (getClient() != null && getClient()
- .hasEventListeners(VTextualDate.this, EventId.FOCUS)) {
- getClient().updateVariable(getId(), EventId.FOCUS, "",
- true);
- }
-
- // Needed for tooltip event handling
- VTextualDate.this.fireEvent(event);
- }
- });
- text.addBlurHandler(new BlurHandler() {
- @Override
- public void onBlur(BlurEvent event) {
- text.removeStyleName(VTextField.CLASSNAME + "-"
- + VTextField.CLASSNAME_FOCUS);
- String value = getText();
- setPrompting(inputPrompt != null
- && (value == null || "".equals(value)));
- if (prompting) {
- text.setText(readonly ? "" : inputPrompt);
- }
- if (getClient() != null && getClient()
- .hasEventListeners(VTextualDate.this, EventId.BLUR)) {
- getClient().updateVariable(getId(), EventId.BLUR, "", true);
- }
-
- // Needed for tooltip event handling
- VTextualDate.this.fireEvent(event);
- }
- });
- if (BrowserInfo.get().isIE()) {
- addDomHandler(this, KeyDownEvent.getType());
- }
- add(text);
- }
-
- protected void updateStyleNames() {
- if (text != null) {
- text.setStyleName(VTextField.CLASSNAME);
- text.addStyleName(getStylePrimaryName() + "-textfield");
- }
- }
-
- protected String getFormatString() {
- if (formatStr == null) {
- if (currentResolution == Resolution.YEAR) {
- formatStr = "yyyy"; // force full year
- } else {
-
- try {
- String frmString = LocaleService
- .getDateFormat(currentLocale);
- frmString = cleanFormat(frmString);
- // String delim = LocaleService
- // .getClockDelimiter(currentLocale);
- if (currentResolution.getCalendarField() >= Resolution.HOUR
- .getCalendarField()) {
- if (dts.isTwelveHourClock()) {
- frmString += " hh";
- } else {
- frmString += " HH";
- }
- if (currentResolution
- .getCalendarField() >= Resolution.MINUTE
- .getCalendarField()) {
- frmString += ":mm";
- if (currentResolution
- .getCalendarField() >= Resolution.SECOND
- .getCalendarField()) {
- frmString += ":ss";
- }
- }
- if (dts.isTwelveHourClock()) {
- frmString += " aaa";
- }
-
- }
-
- formatStr = frmString;
- } catch (LocaleNotLoadedException e) {
- // TODO should die instead? Can the component survive
- // without format string?
- VConsole.error(e);
- }
- }
- }
- return formatStr;
- }
-
- @Override
- public void bindAriaCaption(
- com.google.gwt.user.client.Element captionElement) {
- AriaHelper.bindCaption(text, captionElement);
- }
-
- @Override
- public void setAriaRequired(boolean required) {
- AriaHelper.handleInputRequired(text, required);
- }
-
- @Override
- public void setAriaInvalid(boolean invalid) {
- AriaHelper.handleInputInvalid(text, invalid);
- }
-
- /**
- * Updates the text field according to the current date (provided by
- * {@link #getDate()}). Takes care of updating text, enabling and disabling
- * the field, setting/removing readonly status and updating readonly styles.
- * <p>
- * For internal use only. May be removed or replaced in the future.
- * <p>
- * TODO: Split part of this into a method that only updates the text as this
- * is what usually is needed except for updateFromUIDL.
- */
- public void buildDate() {
- removeStyleName(getStylePrimaryName() + PARSE_ERROR_CLASSNAME);
- // Create the initial text for the textfield
- String dateText;
- Date currentDate = getDate();
- if (currentDate != null) {
- dateText = getDateTimeService().formatDate(currentDate,
- getFormatString());
- } else {
- dateText = "";
- }
-
- setText(dateText);
- text.setEnabled(enabled);
- text.setReadOnly(readonly);
-
- if (readonly) {
- text.addStyleName("v-readonly");
- Roles.getTextboxRole().setAriaReadonlyProperty(text.getElement(),
- true);
- } else {
- text.removeStyleName("v-readonly");
- Roles.getTextboxRole()
- .removeAriaReadonlyProperty(text.getElement());
- }
-
- }
-
- @Override
- public void setEnabled(boolean enabled) {
- super.setEnabled(enabled);
- text.setEnabled(enabled);
- }
-
- protected void setPrompting(boolean prompting) {
- this.prompting = prompting;
- if (prompting) {
- addStyleDependentName(CLASSNAME_PROMPT);
- } else {
- removeStyleDependentName(CLASSNAME_PROMPT);
- }
- }
-
- @Override
- @SuppressWarnings("deprecation")
- public void onChange(ChangeEvent event) {
- if (!text.getText().equals("")) {
- try {
- String enteredDate = text.getText();
-
- setDate(getDateTimeService().parseDate(enteredDate,
- getFormatString(), lenient));
-
- if (lenient) {
- // If date value was leniently parsed, normalize text
- // presentation.
- // FIXME: Add a description/example here of when this is
- // needed
- text.setValue(getDateTimeService().formatDate(getDate(),
- getFormatString()), false);
- }
-
- // remove possibly added invalid value indication
- removeStyleName(getStylePrimaryName() + PARSE_ERROR_CLASSNAME);
- } catch (final Exception e) {
- VConsole.log(e);
-
- addStyleName(getStylePrimaryName() + PARSE_ERROR_CLASSNAME);
- // this is a hack that may eventually be removed
- getClient().updateVariable(getId(), "lastInvalidDateString",
- text.getText(), false);
- setDate(null);
- }
- } else {
- setDate(null);
- // remove possibly added invalid value indication
- removeStyleName(getStylePrimaryName() + PARSE_ERROR_CLASSNAME);
- }
- // always send the date string
- getClient().updateVariable(getId(), "dateString", text.getText(),
- false);
-
- // Update variables
- // (only the smallest defining resolution needs to be
- // immediate)
- Date currentDate = getDate();
- getClient().updateVariable(getId(), "year",
- currentDate != null ? currentDate.getYear() + 1900 : -1,
- currentResolution == Resolution.YEAR && immediate);
- if (currentResolution.getCalendarField() >= Resolution.MONTH
- .getCalendarField()) {
- getClient().updateVariable(getId(), "month",
- currentDate != null ? currentDate.getMonth() + 1 : -1,
- currentResolution == Resolution.MONTH && immediate);
- }
- if (currentResolution.getCalendarField() >= Resolution.DAY
- .getCalendarField()) {
- getClient().updateVariable(getId(), "day",
- currentDate != null ? currentDate.getDate() : -1,
- currentResolution == Resolution.DAY && immediate);
- }
- if (currentResolution.getCalendarField() >= Resolution.HOUR
- .getCalendarField()) {
- getClient().updateVariable(getId(), "hour",
- currentDate != null ? currentDate.getHours() : -1,
- currentResolution == Resolution.HOUR && immediate);
- }
- if (currentResolution.getCalendarField() >= Resolution.MINUTE
- .getCalendarField()) {
- getClient().updateVariable(getId(), "min",
- currentDate != null ? currentDate.getMinutes() : -1,
- currentResolution == Resolution.MINUTE && immediate);
- }
- if (currentResolution.getCalendarField() >= Resolution.SECOND
- .getCalendarField()) {
- getClient().updateVariable(getId(), "sec",
- currentDate != null ? currentDate.getSeconds() : -1,
- currentResolution == Resolution.SECOND && immediate);
- }
-
- }
-
- private String cleanFormat(String format) {
- // Remove unnecessary d & M if resolution is too low
- if (currentResolution.getCalendarField() < Resolution.DAY
- .getCalendarField()) {
- format = format.replaceAll("d", "");
- }
- if (currentResolution.getCalendarField() < Resolution.MONTH
- .getCalendarField()) {
- format = format.replaceAll("M", "");
- }
-
- // Remove unsupported patterns
- // TODO support for 'G', era designator (used at least in Japan)
- format = format.replaceAll("[GzZwWkK]", "");
-
- // Remove extra delimiters ('/' and '.')
- while (format.startsWith("/") || format.startsWith(".")
- || format.startsWith("-")) {
- format = format.substring(1);
- }
- while (format.endsWith("/") || format.endsWith(".")
- || format.endsWith("-")) {
- format = format.substring(0, format.length() - 1);
- }
-
- // Remove duplicate delimiters
- format = format.replaceAll("//", "/");
- format = format.replaceAll("\\.\\.", ".");
- format = format.replaceAll("--", "-");
-
- return format.trim();
- }
-
- @Override
- public void focus() {
- text.setFocus(true);
- }
-
- protected String getText() {
- if (prompting) {
- return "";
- }
- return text.getText();
- }
-
- protected void setText(String text) {
- if (inputPrompt != null && (text == null || "".equals(text))
- && !this.text.getStyleName().contains(VTextField.CLASSNAME + "-"
- + VTextField.CLASSNAME_FOCUS)) {
- text = readonly ? "" : inputPrompt;
- setPrompting(true);
- } else {
- setPrompting(false);
- }
-
- this.text.setText(text);
- }
-
- private static final String TEXTFIELD_ID = "field";
-
- @Override
- public com.google.gwt.user.client.Element getSubPartElement(
- String subPart) {
- if (subPart.equals(TEXTFIELD_ID)) {
- return text.getElement();
- }
-
- return null;
- }
-
- @Override
- public String getSubPartName(
- com.google.gwt.user.client.Element subElement) {
- if (text.getElement().isOrHasChild(subElement)) {
- return TEXTFIELD_ID;
- }
-
- return null;
- }
-
- @Override
- public void onKeyDown(KeyDownEvent event) {
- if (BrowserInfo.get().isIE()
- && event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
- // IE does not send change events when pressing enter in a text
- // input so we handle it using a key listener instead
- onChange(null);
- }
- }
- }
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