Example usage for com.google.gwt.event.dom.client KeyCodes KEY_DOWN

Introduction

In this page you can find the example usage for com.google.gwt.event.dom.client KeyCodes KEY_DOWN.

Prototype

int KEY_DOWN

To view the source code for com.google.gwt.event.dom.client KeyCodes KEY_DOWN.

Click Source Link

Document

Down arrow code.

Usage

From source file:ar.com.kyol.jet.client.wrappers.FloatBox.java

License:Open Source License

/**
 * Instantiates a new float box.//from  w ww. j ava 2s .c  om
 * 
 * @param maximumFractionDigits - 1 or more digits
 * @param acceptNegatives - true if you want to allow the minus sign
 */
public FloatBox(final int maximumFractionDigits, final boolean acceptNegatives) {
    sinkEvents(Event.ONPASTE);
    //addKeyPressHandler(new KeyPressHandler() {
    addKeyDownHandler(new KeyDownHandler() {

        @Override
        //public void onKeyPress(KeyPressEvent event) { //GWT bug: Issue 5558:    KeyPressEvent.getCharCode returns zero for special keys like enter, escape, tab
        public void onKeyDown(KeyDownEvent event) {

            switch (event.getNativeKeyCode()) {
            case KeyCodes.KEY_LEFT:
            case KeyCodes.KEY_DOWN:
            case KeyCodes.KEY_RIGHT:
            case KeyCodes.KEY_UP:
            case KeyCodes.KEY_BACKSPACE:
            case KeyCodes.KEY_DELETE:
            case KeyCodes.KEY_TAB:
            case KeyCodes.KEY_HOME:
            case KeyCodes.KEY_END:
                return;
            }

            if (event.getNativeKeyCode() == 109 || event.getNativeKeyCode() == 189) { //minus sign or dash
                if ((getCursorPos() != 0) || getValue().contains("-") || !acceptNegatives) {
                    ((TextBoxBase) event.getSource()).cancelKey();
                } else {
                    return;
                }
            }

            if (event.getNativeKeyCode() == 188 || event.getNativeKeyCode() == 190
                    || event.getNativeKeyCode() == 110) { //comma, point and decimal separator
                //TODO internationalization!!! use com.google.gwt.i18n.client.LocaleInfo.getNumberConstants().decimalSeparator()
                if (getValue().contains(".")) {
                    ((TextBoxBase) event.getSource()).cancelKey();
                } else {
                    if (getCursorPos() < getValue().length() - maximumFractionDigits) {
                        ((TextBoxBase) event.getSource()).cancelKey();
                    } else {
                        return;
                    }
                }
            }

            if (((event.getNativeKeyCode() < 48 || event.getNativeKeyCode() > 57) && //numeric keys
            (event.getNativeKeyCode() < 96 || event.getNativeKeyCode() > 105)) //numeric pad
                    || event.isAnyModifierKeyDown() || event.isAltKeyDown()) {
                ((TextBoxBase) event.getSource()).cancelKey();
            } else {
                if (getValue().contains(".")) {
                    int cursorPos = getCursorPos();
                    int posicionPunto = getValue().indexOf(".");
                    int longitudTexto = getValue().length();
                    if (cursorPos > posicionPunto
                            && longitudTexto >= posicionPunto + 1 + maximumFractionDigits) {
                        ((TextBoxBase) event.getSource()).cancelKey();
                    }
                }
            }

        }
    });
}

---

From source file:ar.com.kyol.jet.client.wrappers.NumericBox.java

License:Open Source License

/**
 * Instantiates a new numeric box.//from w  w  w.  j av  a  2s.com
 * <i>allowNegative</i> allows the minus sign.
 */
public NumericBox(final boolean allowNegative) {
    sinkEvents(Event.ONPASTE);
    //addKeyPressHandler(new KeyPressHandler() {
    addKeyDownHandler(new KeyDownHandler() {

        @Override
        //public void onKeyPress(KeyPressEvent event) { //GWT bug: Issue 5558:    KeyPressEvent.getCharCode returns zero for special keys like enter, escape, tab
        public void onKeyDown(KeyDownEvent event) {

            switch (event.getNativeKeyCode()) {
            case KeyCodes.KEY_LEFT:
            case KeyCodes.KEY_DOWN:
            case KeyCodes.KEY_RIGHT:
            case KeyCodes.KEY_UP:
            case KeyCodes.KEY_BACKSPACE:
            case KeyCodes.KEY_DELETE:
            case KeyCodes.KEY_TAB:
            case KeyCodes.KEY_HOME:
            case KeyCodes.KEY_END:
                return;
            }

            if (event.getNativeKeyCode() == 109 || event.getNativeKeyCode() == 189) { //minus sign or dash
                if ((getCursorPos() != 0) || getValue().contains("-") || !allowNegative) {
                    ((TextBoxBase) event.getSource()).cancelKey();
                } else {
                    return;
                }
            }

            if ((event.getNativeKeyCode() >= 96 && event.getNativeKeyCode() <= 105)) { //numeric pad!
                return;
            }

            //FIXME shift!!!   
            if (event.getNativeKeyCode() < 48 || event.getNativeKeyCode() > 57 || event.isAnyModifierKeyDown()
                    || event.isAltKeyDown()) { //numeric keys
                ((TextBoxBase) event.getSource()).cancelKey();
            }

        }
    });
}

---

From source file:at.ait.dme.yuma.client.colorpicker.ColorPicker.java

License:Artistic License

/**
 * Fired when a keyboard action generates a character. This occurs after onKeyDown and onKeyUp are fired for the physical key that was pressed.
 *
 * It should be noted that many browsers do not generate keypress events for non-printing keyCode values, such as KEY_ENTER or arrow keys. These keyCodes can be reliably captured either with onKeyDown(Widget, char, int) or onKeyUp(Widget, char, int).
 *
 * Subclasses that override this method must call <tt>super.onKeyPress(sender, keyCode, modifiers)</tt> to ensure that the Widget recieves its events.
 * @param sender the widget that was focused when the event occurred.
 * @see com.google.gwt.user.client.ui.KeyboardListener
 *///from www . jav  a 2 s.  co m
public void onKeyPress(KeyPressEvent event) {
    Widget sender = (Widget) event.getSource();
    char keyCode = event.getCharCode();

    if (sender == tbHexColor) {
        // Disallow non-hex in hexadecimal boxes
        if ((!Character.isDigit(keyCode)) && (keyCode != 'A') && (keyCode != 'a') && (keyCode != 'B')
                && (keyCode != 'b') && (keyCode != 'C') && (keyCode != 'c') && (keyCode != 'D')
                && (keyCode != 'd') && (keyCode != 'E') && (keyCode != 'e') && (keyCode != 'F')
                && (keyCode != 'f') && (keyCode != (char) KeyCodes.KEY_TAB)
                && (keyCode != (char) KeyCodes.KEY_BACKSPACE) && (keyCode != (char) KeyCodes.KEY_DELETE)
                && (keyCode != (char) KeyCodes.KEY_ENTER) && (keyCode != (char) KeyCodes.KEY_HOME)
                && (keyCode != (char) KeyCodes.KEY_END) && (keyCode != (char) KeyCodes.KEY_LEFT)
                && (keyCode != (char) KeyCodes.KEY_UP) && (keyCode != (char) KeyCodes.KEY_RIGHT)
                && (keyCode != (char) KeyCodes.KEY_DOWN)) {
            ((TextBox) sender).cancelKey();
        }
    } else {
        // Disallow non-numerics in numeric boxes
        if ((!Character.isDigit(keyCode)) && (keyCode != (char) KeyCodes.KEY_TAB)
                && (keyCode != (char) KeyCodes.KEY_BACKSPACE) && (keyCode != (char) KeyCodes.KEY_DELETE)
                && (keyCode != (char) KeyCodes.KEY_ENTER) && (keyCode != (char) KeyCodes.KEY_HOME)
                && (keyCode != (char) KeyCodes.KEY_END) && (keyCode != (char) KeyCodes.KEY_LEFT)
                && (keyCode != (char) KeyCodes.KEY_UP) && (keyCode != (char) KeyCodes.KEY_RIGHT)
                && (keyCode != (char) KeyCodes.KEY_DOWN)) {
            ((TextBox) sender).cancelKey();
        }
    }
}

---

From source file:at.ait.dme.yuma.suite.apps.image.core.client.tagging.TagSuggestBox.java

License:EUPL

public TagSuggestBox(int maxItems) {
    this.limit = maxItems;

    tagService = (TagServiceAsync) GWT.create(TagService.class);

    suggestBox.setLimit(limit);/*from   w  w  w  .  j  av  a2s .c om*/
    suggestBox.getTextBox().addKeyUpHandler(new KeyUpHandler() {
        @Override
        public void onKeyUp(KeyUpEvent evt) {
            int key = evt.getNativeKeyCode();
            if (key != KeyCodes.KEY_DOWN && key != KeyCodes.KEY_UP) {
                tagService.getTagSuggestions(suggestBox.getText().trim(), limit,
                        new AsyncCallback<Collection<SemanticTag>>() {
                            @Override
                            public void onFailure(Throwable arg0) {
                                // Ignore
                            }

                            @Override
                            public void onSuccess(Collection<SemanticTag> result) {
                                for (SemanticTag t : result) {
                                    oracle.add(t.getPrimaryLabel());
                                    tags.put(t.getPrimaryLabel(), t);
                                }
                                suggestBox.showSuggestionList();
                            }
                        });
            }
        }
    });
    initWidget(suggestBox);
}

---

From source file:br.org.olimpiabarbacena.shared.InputValidator.java

License:Apache License

public static boolean isInteger(char keycode) {
    return Character.isDigit(keycode) || (keycode == (char) KeyCodes.KEY_TAB)
            || (keycode == (char) KeyCodes.KEY_BACKSPACE) || (keycode == (char) KeyCodes.KEY_DELETE)
            || (keycode == (char) KeyCodes.KEY_ENTER) || (keycode == (char) KeyCodes.KEY_HOME)
            || (keycode == (char) KeyCodes.KEY_END) || (keycode == (char) KeyCodes.KEY_LEFT)
            || (keycode == (char) KeyCodes.KEY_UP) || (keycode == (char) KeyCodes.KEY_RIGHT)
            || (keycode == (char) KeyCodes.KEY_DOWN);
}

---

From source file:bufferings.ktr.wjr.client.ui.widget.WjrListBox.java

License:Apache License

private void keyboardNavigation(Event event) {
    int code = DOM.eventGetKeyCode(event);

    switch (standardizeKeycode(code)) {
    case KeyCodes.KEY_UP:
        moveSelectionUp(curSelection);//from   w  w  w.  j a v a  2 s .com
        break;
    case KeyCodes.KEY_DOWN:
        moveSelectionDown(curSelection);
        break;
    default:
        return;
    }
}

---

From source file:bufferings.ktr.wjr.client.ui.widget.WjrListBox.java

License:Apache License

private boolean isArrowKey(int code) {
    switch (code) {
    case OTHER_KEY_DOWN:
    case OTHER_KEY_UP:
    case KeyCodes.KEY_DOWN:
    case KeyCodes.KEY_UP:
        return true;
    default:/* ww  w.  ja va 2 s . c  om*/
        return false;
    }
}

---

From source file:bufferings.ktr.wjr.client.ui.widget.WjrListBox.java

License:Apache License

private int standardizeKeycode(int code) {
    switch (code) {
    case OTHER_KEY_DOWN:
        code = KeyCodes.KEY_DOWN;
        break;//from   w  w w  .  j a  va 2 s  . c  om
    case OTHER_KEY_UP:
        code = KeyCodes.KEY_UP;
        break;
    }
    return code;
}

---

From source file:bufferings.ktr.wjr.client.ui.widget.WjrTree.java

License:Apache License

protected static boolean isAssignedKey(int code) {
    switch (code) {
    case OTHER_KEY_DOWN:
    case OTHER_KEY_RIGHT:
    case OTHER_KEY_UP:
    case OTHER_KEY_LEFT:
    case KeyCodes.KEY_DOWN:
    case KeyCodes.KEY_RIGHT:
    case KeyCodes.KEY_UP:
    case KeyCodes.KEY_LEFT:
    case KEY_SPACE:
        return true;
    default:/*from w w  w  .j  a v  a  2 s. c om*/
        return false;
    }
}

---

From source file:bufferings.ktr.wjr.client.ui.widget.WjrTree.java

License:Apache License

/**
 * Normalized key codes. Also switches KEY_RIGHT and KEY_LEFT in RTL
 * languages.// ww w  .java2 s  . c om
 */
protected static int standardizeKeycode(int code) {
    switch (code) {
    case OTHER_KEY_DOWN:
        code = KeyCodes.KEY_DOWN;
        break;
    case OTHER_KEY_RIGHT:
        code = KeyCodes.KEY_RIGHT;
        break;
    case OTHER_KEY_UP:
        code = KeyCodes.KEY_UP;
        break;
    case OTHER_KEY_LEFT:
        code = KeyCodes.KEY_LEFT;
        break;
    }
    return code;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• »