Example usage for com.google.gwt.aria.client AutocompleteValue NONE

List of usage examples for com.google.gwt.aria.client AutocompleteValue NONE

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Introduction

In this page you can find the example usage for com.google.gwt.aria.client AutocompleteValue NONE.

Prototype

AutocompleteValue NONE

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Usage

From source file:org.unitime.timetable.gwt.client.aria.AriaSuggestBox.java

License:Apache License

public AriaSuggestBox(AriaTextBox box, SuggestOracle oracle) {
    iOracle = oracle;/*from  w  ww  .  j a va 2s.  c  om*/
    iText = box;
    iText.setStyleName("gwt-SuggestBox");
    initWidget(iText);

    addEventsToTextBox();

    iSuggestionMenu = new SuggestionMenu();

    iPopupScroll = new ScrollPanel(iSuggestionMenu);
    iPopupScroll.addStyleName("scroll");

    iSuggestionPopup = new PopupPanel(true, false);
    iSuggestionPopup.setPreviewingAllNativeEvents(true);
    iSuggestionPopup.setStyleName("unitime-SuggestBoxPopup");
    iSuggestionPopup.setWidget(iPopupScroll);
    iSuggestionPopup.addAutoHidePartner(getElement());

    iSuggestionCallback = new SuggestionCallback() {
        @Override
        public void onSuggestionSelected(Suggestion suggestion) {
            if (!suggestion.getReplacementString().isEmpty()) {
                setStatus(ARIA.suggestionSelected(status(suggestion)));
            }
            iCurrentText = suggestion.getReplacementString();
            setText(suggestion.getReplacementString());
            hideSuggestionList();
            fireSuggestionEvent(suggestion);
        }
    };

    iOracleCallback = new SuggestOracle.Callback() {
        @Override
        public void onSuggestionsReady(Request request, Response response) {
            if (response.getSuggestions() == null || response.getSuggestions().isEmpty()) {
                if (iSuggestionPopup.isShowing())
                    iSuggestionPopup.hide();
            } else {
                iSuggestionMenu.clearItems();
                SuggestOracle.Suggestion first = null;
                for (SuggestOracle.Suggestion suggestion : response.getSuggestions()) {
                    iSuggestionMenu.addItem(new SuggestionMenuItem(suggestion));
                    if (first == null)
                        first = suggestion;
                }
                iSuggestionMenu.selectItem(0);
                ToolBox.setMinWidth(iSuggestionMenu.getElement().getStyle(),
                        (iText.getElement().getClientWidth() - 4) + "px");
                iSuggestionPopup.showRelativeTo(iText);
                iSuggestionMenu.scrollToView();
                if (response.getSuggestions().size() == 1) {
                    if (first.getReplacementString().isEmpty())
                        setStatus(status(first));
                    else
                        setStatus(ARIA.showingOneSuggestion(status(first)));
                } else {
                    setStatus(ARIA.showingMultipleSuggestions(response.getSuggestions().size(),
                            request.getQuery(), status(first)));
                }
            }
        }
    };

    Roles.getTextboxRole().setAriaAutocompleteProperty(iText.getElement(), AutocompleteValue.NONE);

    iSuggestionPopup.getElement().setAttribute("id", DOM.createUniqueId());
    Roles.getTextboxRole().setAriaOwnsProperty(iText.getElement(), Id.of(iSuggestionPopup.getElement()));
}

From source file:org.unitime.timetable.gwt.client.widgets.FilterBox.java

License:Apache License

public FilterBox() {
    setStyleName("unitime-FilterBox");

    final Timer blur = new Timer() {
        @Override/*from www . j  ava2 s  .  c om*/
        public void run() {
            if (!iFocus) {
                removeStyleName("unitime-FilterBoxFocus");
                if (isFilterPopupShowing())
                    hideFilterPopup();
            }
        }
    };

    iFocusHandler = new FocusHandler() {
        @Override
        public void onFocus(FocusEvent event) {
            if (event.getSource() != null && event.getSource() instanceof Focusable)
                iLastFocusedWidget = (Focusable) event.getSource();
            iFocus = true;
            addStyleName("unitime-FilterBoxFocus");
            if (iShowSuggestionsOnFocus)
                refreshSuggestions();
        }
    };

    iBlurHandler = new BlurHandler() {
        @Override
        public void onBlur(BlurEvent event) {
            iFocus = false;
            iLastFocusedWidget = null;
            blur.schedule(100);
        }
    };

    iFilter = new AriaTextBox();
    iFilter.setStyleName("filter");

    iFilter.addKeyDownHandler(new KeyDownHandler() {
        @Override
        public void onKeyDown(KeyDownEvent event) {
            if (isFilterPopupShowing()) {
                hideFilterPopup();
            }
            if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_BACKSPACE && iFilter.getText().isEmpty()) {
                if (getWidgetCount() > 4) {
                    remove(getWidgetCount() - 5);
                    resizeFilterIfNeeded();
                    setAriaLabel(toAriaString());
                    ValueChangeEvent.fire(FilterBox.this, getValue());
                    setStatus(getAriaLabel());
                }
            }
            if (isSuggestionsShowing()) {
                switch (event.getNativeEvent().getKeyCode()) {
                case KeyCodes.KEY_DOWN:
                    iSuggestionMenu.selectItem(iSuggestionMenu.getSelectedItemIndex() + 1);
                    setStatus(ARIA.onSuggestion(iSuggestionMenu.getSelectedItemIndex() + 1,
                            iSuggestionMenu.getNumItems(),
                            iSuggestionMenu.getSelectedSuggestion().toAriaString(FilterBox.this)));
                    break;
                case KeyCodes.KEY_UP:
                    if (iSuggestionMenu.getSelectedItemIndex() == -1) {
                        iSuggestionMenu.selectItem(iSuggestionMenu.getNumItems() - 1);
                    } else {
                        iSuggestionMenu.selectItem(iSuggestionMenu.getSelectedItemIndex() - 1);
                    }
                    setStatus(ARIA.onSuggestion(iSuggestionMenu.getSelectedItemIndex() + 1,
                            iSuggestionMenu.getNumItems(),
                            iSuggestionMenu.getSelectedSuggestion().toAriaString(FilterBox.this)));
                    break;
                case KeyCodes.KEY_ENTER:
                    iSuggestionMenu.executeSelected();
                    hideSuggestions();
                    break;
                case KeyCodes.KEY_TAB:
                    hideSuggestions();
                    break;
                case KeyCodes.KEY_ESCAPE:
                    hideSuggestions();
                    break;
                }
                switch (event.getNativeEvent().getKeyCode()) {
                case KeyCodes.KEY_DOWN:
                case KeyCodes.KEY_UP:
                case KeyCodes.KEY_ENTER:
                case KeyCodes.KEY_ESCAPE:
                    event.preventDefault();
                    event.stopPropagation();
                }
            } else {
                if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_DOWN
                        && (event.getNativeEvent().getAltKey()
                                || iFilter.getCursorPos() == iFilter.getText().length())) {
                    showSuggestions();
                    event.preventDefault();
                    event.stopPropagation();
                }
            }
        }
    });
    iFilter.addKeyUpHandler(new KeyUpHandler() {
        @Override
        public void onKeyUp(KeyUpEvent event) {
            refreshSuggestions();
        }
    });
    iFilter.addFocusHandler(iFocusHandler);
    iFilter.addBlurHandler(iBlurHandler);
    add(iFilter);
    iFilter.addChangeHandler(new ChangeHandler() {
        @Override
        public void onChange(ChangeEvent event) {
            setAriaLabel(toAriaString());
            ValueChangeEvent.fire(FilterBox.this, getValue());
        }
    });

    iFilterClear = new Image(RESOURCES.filter_clear());
    iFilterClear.setAltText(MESSAGES.altClearFilter());
    iFilterClear.setTitle(MESSAGES.altClearFilter());
    iFilterClear.setStyleName("button-image");
    add(iFilterClear);
    iFilterClear.setVisible(false);
    Roles.getDocumentRole().setAriaHiddenState(iFilterClear.getElement(), true);
    iFilter.addChangeHandler(new ChangeHandler() {
        @Override
        public void onChange(ChangeEvent event) {
            if (iFilterClear.isVisible() && getValue().isEmpty()) {
                resizeFilterIfNeeded();
            } else if (!iFilterClear.isVisible() && !getValue().isEmpty()) {
                resizeFilterIfNeeded();
            }
        }
    });

    iFilterOpen = new Image(RESOURCES.filter_open());
    iFilterOpen.setAltText(MESSAGES.altOpenFilter());
    iFilterOpen.setTitle(MESSAGES.altOpenFilter());
    iFilterOpen.addStyleName("button-image");
    add(iFilterOpen);
    Roles.getDocumentRole().setAriaHiddenState(iFilterOpen.getElement(), true);

    iFilterClose = new Image(RESOURCES.filter_close());
    iFilterClose.setAltText(MESSAGES.altCloseFilter());
    iFilterClose.setTitle(MESSAGES.altCloseFilter());
    iFilterClose.addStyleName("button-image");
    add(iFilterClose);
    iFilterClose.setVisible(false);
    Roles.getDocumentRole().setAriaHiddenState(iFilterClose.getElement(), true);

    iFilterPopup = new PopupPanelKeepFocus();
    iFilterPopup.setStyleName("unitime-FilterBoxPopup");
    iFilterPopup.setAutoHideEnabled(false);
    iSuggestionMenu = new SuggestionMenu();
    iSuggestionsPopup = new PopupPanelKeepFocus();
    iSuggestionsPopup.setWidget(iSuggestionMenu);
    iSuggestionsPopup.setStyleName("unitime-FilterBoxPopup");

    sinkEvents(Event.ONMOUSEDOWN);

    iSuggestionsPopup.getElement().setAttribute("id", DOM.createUniqueId());
    Roles.getTextboxRole().setAriaOwnsProperty(iFilter.getElement(), Id.of(iSuggestionsPopup.getElement()));

    Roles.getTextboxRole().setAriaAutocompleteProperty(iFilter.getElement(), AutocompleteValue.NONE);
}

From source file:org.unitime.timetable.gwt.client.widgets.IntervalSelector.java

License:Apache License

public IntervalSelector(boolean allowMultiSelection) {
    iAllowMultiSelection = allowMultiSelection;

    iPanel = new P("unitime-IntervalSelector");

    P row = new P("row");
    iPanel.add(row);/*from  w  w  w.  j a v  a  2s .c  om*/

    iPrev = new Button("«");
    iPrev.setEnabled(false);
    iPrev.addMouseDownHandler(new MouseDownHandler() {
        @Override
        public void onMouseDown(MouseDownEvent event) {
            Interval prev = (getValue() == null ? null : previous(getValue()));
            if (prev != null)
                setValue(prev, true);
        }
    });

    iNext = new Button("»");
    iNext.setEnabled(false);
    iNext.addMouseDownHandler(new MouseDownHandler() {
        @Override
        public void onMouseDown(MouseDownEvent event) {
            Interval next = (getValue() == null ? null : next(getValue()));
            if (next != null)
                setValue(next, true);
        }
    });

    iFilter = new AriaTextBox();
    iFilter.addStyleName("selection");

    iFilter.addKeyDownHandler(new KeyDownHandler() {
        @Override
        public void onKeyDown(KeyDownEvent event) {
            if (isSuggestionsShowing()) {
                switch (event.getNativeEvent().getKeyCode()) {
                case KeyCodes.KEY_DOWN:
                    iPopupMenu.selectItem(iPopupMenu.getSelectedItemIndex() + 1);
                    setStatus(ARIA.onSuggestion(iPopupMenu.getSelectedItemIndex() + 1, iPopupMenu.getNumItems(),
                            iPopupMenu.getSelectedInterval().toAriaString()));
                    break;
                case KeyCodes.KEY_UP:
                    if (iPopupMenu.getSelectedItemIndex() == -1) {
                        iPopupMenu.selectItem(iPopupMenu.getNumItems() - 1);
                    } else {
                        iPopupMenu.selectItem(iPopupMenu.getSelectedItemIndex() - 1);
                    }
                    setStatus(ARIA.onSuggestion(iPopupMenu.getSelectedItemIndex() + 1, iPopupMenu.getNumItems(),
                            iPopupMenu.getSelectedInterval().toAriaString()));
                    break;
                case KeyCodes.KEY_TAB:
                case KeyCodes.KEY_ENTER:
                    iPopupMenu.executeSelected();
                    hideSuggestions();
                    break;
                case KeyCodes.KEY_ESCAPE:
                    hideSuggestions();
                    break;
                }
                switch (event.getNativeEvent().getKeyCode()) {
                case KeyCodes.KEY_DOWN:
                case KeyCodes.KEY_UP:
                case KeyCodes.KEY_ENTER:
                case KeyCodes.KEY_ESCAPE:
                    event.preventDefault();
                    event.stopPropagation();
                }
            } else {
                if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_DOWN
                        && (event.getNativeEvent().getAltKey()
                                || iFilter.getCursorPos() == iFilter.getText().length())) {
                    showSuggestions();
                    event.preventDefault();
                    event.stopPropagation();
                }
            }
        }
    });

    iFilter.addKeyUpHandler(new KeyUpHandler() {
        @Override
        public void onKeyUp(KeyUpEvent event) {
            if (selectASuggestion()) {
                if (!isSuggestionsShowing())
                    showSuggestions();
                else
                    setStatus(ARIA.onSuggestion(iPopupMenu.getSelectedItemIndex() + 1, iPopupMenu.getNumItems(),
                            iPopupMenu.getSelectedInterval().toAriaString()));
            }
        }
    });

    iFilter.addValueChangeHandler(new ValueChangeHandler<String>() {
        @Override
        public void onValueChange(ValueChangeEvent<String> event) {
            if (iValues != null) {
                if (isAllowMultiSelection() && event.getValue().equals(getReplaceString(new Interval()))) {
                    setValue(new Interval());
                } else {
                    Interval value = null;
                    iterator: for (int i = 0; i < iValues.size(); i++) {
                        if (event.getValue().equals(getReplaceString(new Interval(iValues.get(i))))) {
                            value = new Interval(iValues.get(i));
                            break iterator;
                        }
                        if (isAllowMultiSelection()) {
                            for (int j = i + 1; j < iValues.size(); j++) {
                                if (event.getValue().equals(
                                        getReplaceString(new Interval(iValues.get(i), iValues.get(j))))) {
                                    value = new Interval(iValues.get(i), iValues.get(j));
                                    break iterator;
                                }
                            }
                        }
                    }
                    setValue(value);
                }
            }
        }
    });

    iFilter.addFocusHandler(new FocusHandler() {
        @Override
        public void onFocus(FocusEvent event) {
            showSuggestions();
        }
    });

    iPopupMenu = new Menu();

    iPopupScroll = new ScrollPanel(iPopupMenu);
    iPopupScroll.addStyleName("scroll");

    iPopup = new PopupPanel(true, false);
    iPopup.setPreviewingAllNativeEvents(true);
    iPopup.setStyleName("unitime-IntervalSelectorPopup");
    iPopup.setWidget(iPopupScroll);

    row.add(iPrev);
    row.add(iFilter);
    row.add(iNext);

    iWidget = new UniTimeWidget<AbsolutePanel>(iPanel);

    initWidget(iWidget);

    Roles.getTextboxRole().setAriaAutocompleteProperty(iFilter.getElement(), AutocompleteValue.NONE);

    iPopup.getElement().setAttribute("id", DOM.createUniqueId());
    Roles.getTextboxRole().setAriaOwnsProperty(iFilter.getElement(), Id.of(iPopup.getElement()));
}