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- /*
- @VaadinApache2LicenseForJavaFiles@
- */
-
- package com.vaadin.terminal.gwt.client.ui;
-
- import java.util.Date;
-
- 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.user.client.Element;
- import com.google.gwt.user.client.ui.TextBox;
- import com.vaadin.terminal.gwt.client.EventId;
- import com.vaadin.terminal.gwt.client.Focusable;
- import com.vaadin.terminal.gwt.client.LocaleNotLoadedException;
- import com.vaadin.terminal.gwt.client.LocaleService;
- import com.vaadin.terminal.gwt.client.VConsole;
-
- public class VTextualDate extends VDateField implements Field, ChangeHandler,
- Focusable, SubPartAware {
-
- private static final String PARSE_ERROR_CLASSNAME = CLASSNAME
- + "-parseerror";
-
- protected final TextBox text;
-
- protected String formatStr;
-
- protected boolean lenient;
-
- private static final String CLASSNAME_PROMPT = "prompt";
- protected static final String ATTR_INPUTPROMPT = "prompt";
- protected String inputPrompt = "";
- private boolean prompting = false;
-
- public VTextualDate() {
-
- super();
- text = new TextBox();
- // use normal textfield styles as a basis
- text.setStyleName(VTextField.CLASSNAME);
- // add datefield spesific style name also
- text.addStyleName(CLASSNAME + "-textfield");
- text.addChangeHandler(this);
- text.addFocusHandler(new FocusHandler() {
- 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);
- }
- }
- });
- text.addBlurHandler(new BlurHandler() {
- 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);
- }
- }
- });
- add(text);
- }
-
- 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 >= RESOLUTION_HOUR) {
- if (dts.isTwelveHourClock()) {
- frmString += " hh";
- } else {
- frmString += " HH";
- }
- if (currentResolution >= RESOLUTION_MIN) {
- frmString += ":mm";
- if (currentResolution >= RESOLUTION_SEC) {
- 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;
- }
-
- /**
- * 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.
- *
- * TODO: Split part of this into a method that only updates the text as this
- * is what usually is needed except for updateFromUIDL.
- */
- protected void buildDate() {
- removeStyleName(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");
- } else {
- text.removeStyleName("v-readonly");
- }
-
- }
-
- protected void setPrompting(boolean prompting) {
- this.prompting = prompting;
- if (prompting) {
- addStyleDependentName(CLASSNAME_PROMPT);
- } else {
- removeStyleDependentName(CLASSNAME_PROMPT);
- }
- }
-
- @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(PARSE_ERROR_CLASSNAME);
- } catch (final Exception e) {
- VConsole.log(e);
-
- addStyleName(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(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 == VDateField.RESOLUTION_YEAR && immediate);
- if (currentResolution >= VDateField.RESOLUTION_MONTH) {
- getClient().updateVariable(
- getId(),
- "month",
- currentDate != null ? currentDate.getMonth() + 1 : -1,
- currentResolution == VDateField.RESOLUTION_MONTH
- && immediate);
- }
- if (currentResolution >= VDateField.RESOLUTION_DAY) {
- getClient()
- .updateVariable(
- getId(),
- "day",
- currentDate != null ? currentDate.getDate() : -1,
- currentResolution == VDateField.RESOLUTION_DAY
- && immediate);
- }
- if (currentResolution >= VDateField.RESOLUTION_HOUR) {
- getClient().updateVariable(
- getId(),
- "hour",
- currentDate != null ? currentDate.getHours() : -1,
- currentResolution == VDateField.RESOLUTION_HOUR
- && immediate);
- }
- if (currentResolution >= VDateField.RESOLUTION_MIN) {
- getClient()
- .updateVariable(
- getId(),
- "min",
- currentDate != null ? currentDate.getMinutes() : -1,
- currentResolution == VDateField.RESOLUTION_MIN
- && immediate);
- }
- if (currentResolution >= VDateField.RESOLUTION_SEC) {
- getClient()
- .updateVariable(
- getId(),
- "sec",
- currentDate != null ? currentDate.getSeconds() : -1,
- currentResolution == VDateField.RESOLUTION_SEC
- && immediate);
- }
-
- }
-
- private String cleanFormat(String format) {
- // Remove unnecessary d & M if resolution is too low
- if (currentResolution < VDateField.RESOLUTION_DAY) {
- format = format.replaceAll("d", "");
- }
- if (currentResolution < VDateField.RESOLUTION_MONTH) {
- 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();
- }
-
- 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))) {
- text = readonly ? "" : inputPrompt;
- setPrompting(true);
- } else {
- setPrompting(false);
- }
-
- this.text.setText(text);
- }
-
- private final String TEXTFIELD_ID = "field";
-
- public Element getSubPartElement(String subPart) {
- if (subPart.equals(TEXTFIELD_ID)) {
- return text.getElement();
- }
-
- return null;
- }
-
- public String getSubPartName(Element subElement) {
- if (text.getElement().isOrHasChild(subElement)) {
- return TEXTFIELD_ID;
- }
-
- return null;
- }
-
- }
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