Example usage for com.google.gwt.user.client.ui KeyboardListener KEY_TAB

List of usage examples for com.google.gwt.user.client.ui KeyboardListener KEY_TAB

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Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui KeyboardListener KEY_TAB.

Prototype

int KEY_TAB

To view the source code for com.google.gwt.user.client.ui KeyboardListener KEY_TAB.

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Usage

From source file:com.audata.client.widgets.NumericTextBox.java

License:Open Source License

public void onKeyDown(Widget sender, char keyCode, int modifiers) {
    String newChar = Character.toString(keyCode);
    switch (keyCode) {
    case (KeyboardListener.KEY_BACKSPACE):
    case (KeyboardListener.KEY_DELETE):
    case (KeyboardListener.KEY_DOWN):
    case (KeyboardListener.KEY_END):
    case (KeyboardListener.KEY_ENTER):
    case (KeyboardListener.KEY_ESCAPE):
    case (KeyboardListener.KEY_HOME):
    case (KeyboardListener.KEY_LEFT):
    case (KeyboardListener.KEY_PAGEUP):
    case (KeyboardListener.KEY_PAGEDOWN):
    case (KeyboardListener.KEY_RIGHT):
    case (KeyboardListener.KEY_SHIFT):
    case (KeyboardListener.KEY_TAB):
    case (KeyboardListener.KEY_UP):
        break;//  ww w  .j a  v  a2 s.co m
    default:
        try {
            new Double(newChar);
        } catch (NumberFormatException nfe) {
            this.cancelKey();
        }
    }
}

From source file:custgwttbl.client.CustGwtTable.java

License:Apache License

private void editCell(final int row, final int col, Widget widget) {
    stage = "Editing cell for Row:" + row + " Column:" + col;
    try {/*from  www . j av  a2  s . c  o  m*/
        CustGwtItemBean ib = (CustGwtItemBean) this.vItemBeanList.get(col);
        final CustGwtItem tableCell = ib.getEditableComponent();
        if (tableCell == null) {
            return;
        }
        String currText = ((CustGwtItem) widget).getText().trim();
        grid.setWidget(row, col, tableCell);
        tableCell.setFocus(true);
        tableCell.setText(currText);
        tableCell.addKeyboardListener(new KeyboardListener() {
            public void onKeyDown(Widget sender, char keyCode, int modifiers) {
            }

            public void onKeyPress(Widget sender, char keyCode, int modifiers) {
            }

            public void onKeyUp(Widget sender, char keyCode, int modifiers) {
                switch (keyCode) {
                case KeyboardListener.KEY_ENTER: {
                    updateRecord(row, col);
                    break;
                }
                case KeyboardListener.KEY_TAB: {
                    updateRecord(row, col);
                    break;
                }
                }
            }
        });
        tableCell.addFocusListener(new FocusListener() {
            public void onFocus(Widget sender) {
            }

            public void onLostFocus(Widget sender) {
                updateRecord(row, col);
            }
        });
    } catch (Exception excep) {
        CustGwtUtil.showAlertOnError(excep, stage);
    }
}

From source file:edu.purdue.pivot.skwiki.client.sketch.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.
 * @param keyCode the Unicode character that was generated by the keyboard action.
 * @param modifiers the modifier keys pressed at when the event occurred. This value is a combination of the bits defined by MODIFIER_SHIFT, MODIFIER_CTRL, and MODIFIER_ALT.
 * @see com.google.gwt.user.client.ui.KeyboardListener
 *///from   w w w  .ja  va2 s . c  om
@Override
public void onKeyPress(Widget sender, char keyCode, int modifiers) {
    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) KeyboardListener.KEY_TAB)
                && (keyCode != (char) KeyboardListener.KEY_BACKSPACE)
                && (keyCode != (char) KeyboardListener.KEY_DELETE)
                && (keyCode != (char) KeyboardListener.KEY_ENTER)
                && (keyCode != (char) KeyboardListener.KEY_HOME) && (keyCode != (char) KeyboardListener.KEY_END)
                && (keyCode != (char) KeyboardListener.KEY_LEFT) && (keyCode != (char) KeyboardListener.KEY_UP)
                && (keyCode != (char) KeyboardListener.KEY_RIGHT)
                && (keyCode != (char) KeyboardListener.KEY_DOWN)) {
            ((TextBox) sender).cancelKey();
        }
    } else {
        // Disallow non-numerics in numeric boxes
        if ((!Character.isDigit(keyCode)) && (keyCode != (char) KeyboardListener.KEY_TAB)
                && (keyCode != (char) KeyboardListener.KEY_BACKSPACE)
                && (keyCode != (char) KeyboardListener.KEY_DELETE)
                && (keyCode != (char) KeyboardListener.KEY_ENTER)
                && (keyCode != (char) KeyboardListener.KEY_HOME) && (keyCode != (char) KeyboardListener.KEY_END)
                && (keyCode != (char) KeyboardListener.KEY_LEFT) && (keyCode != (char) KeyboardListener.KEY_UP)
                && (keyCode != (char) KeyboardListener.KEY_RIGHT)
                && (keyCode != (char) KeyboardListener.KEY_DOWN)) {
            ((TextBox) sender).cancelKey();
        }
    }
}

From source file:org.iucn.sis.client.ui.TreeTable.java

License:Apache License

@Override
public void onBrowserEvent(Event event) {
    int eventType = DOM.eventGetType(event);
    switch (eventType) {
    case Event.ONCLICK: {
        Element e = DOM.eventGetTarget(event);
        if (shouldTreeDelegateFocusToElement(e)) {
            // The click event should have given focus to this element
            // already.
            // Avoid moving focus back up to the tree (so that focusable
            // widgets
            // attached to TreeItems can receive keyboard events).
        } else {//from ww w .  j av a  2s  . c o m
            // setFocus(true);
        }
        break;
    }
    case Event.ONMOUSEDOWN: {
        if (mouseListeners != null) {
            mouseListeners.fireMouseEvent(this, event);
        }
        elementClicked(root, DOM.eventGetTarget(event));
        break;
    }

    case Event.ONMOUSEUP: {
        if (mouseListeners != null) {
            mouseListeners.fireMouseEvent(this, event);
        }
        break;
    }

    case Event.ONMOUSEMOVE: {
        if (mouseListeners != null) {
            mouseListeners.fireMouseEvent(this, event);
        }
        break;
    }

    case Event.ONMOUSEOVER: {
        if (mouseListeners != null) {
            mouseListeners.fireMouseEvent(this, event);
        }
        break;
    }

    case Event.ONMOUSEOUT: {
        if (mouseListeners != null) {
            mouseListeners.fireMouseEvent(this, event);
        }
        break;
    }

    // case Event.ONFOCUS:
    // // If we already have focus, ignore the focus event.
    // if (focusListeners != null) {
    // focusListeners.fireFocusEvent(this, event);
    // }
    // break;
    //
    // case Event.ONBLUR: {
    // if (focusListeners != null) {
    // focusListeners.fireFocusEvent(this, event);
    // }
    //
    // break;
    // }

    case Event.ONKEYDOWN:
        // If nothing's selected, select the first item.
        if (curSelection == null) {
            if (root.getChildCount() > 0) {
                onSelection(root.getChild(0), true);
            }
            super.onBrowserEvent(event);
            return;
        }

        if (lastEventType == Event.ONKEYDOWN) {
            // Two key downs in a row signal a duplicate event. Multiple key
            // downs can be triggered in the current configuration
            // independent
            // of the browser.
            return;
        }

        // Handle keyboard events
        switch (DOM.eventGetKeyCode(event)) {
        case KeyboardListener.KEY_UP: {
            moveSelectionUp(curSelection);
            DOM.eventPreventDefault(event);
            break;
        }
        case KeyboardListener.KEY_DOWN: {
            moveSelectionDown(curSelection, true);
            DOM.eventPreventDefault(event);
            break;
        }
        case KeyboardListener.KEY_LEFT: {
            if (curSelection.getState()) {
                curSelection.setState(false);
            }
            DOM.eventPreventDefault(event);
            break;
        }
        case KeyboardListener.KEY_RIGHT: {
            if (!curSelection.getState()) {
                curSelection.setState(true);
            }
            DOM.eventPreventDefault(event);
            break;
        }
        default:
            break;

        }

        // Intentional fallthrough.
    case Event.ONKEYUP:
        if (eventType == Event.ONKEYUP) {
            // If we got here because of a key tab, then we need to make
            // sure the
            // current tree item is selected.
            if (DOM.eventGetKeyCode(event) == KeyboardListener.KEY_TAB) {
                Vector chain = new Vector();
                collectElementChain(chain, getElement(), DOM.eventGetTarget(event));
                TreeItem item = findItemByChain(chain, 0, root);
                if (item != getSelectedItem()) {
                    setSelectedItem(item, true);
                }
            }
        }

        // Intentional fallthrough.
    case Event.ONKEYPRESS: {
        if (keyboardListeners != null) {
            keyboardListeners.fireKeyboardEvent(this, event);
        }
        break;
    }
    }

    // We must call SynthesizedWidget's implementation for all other events.
    super.onBrowserEvent(event);
    lastEventType = eventType;
}

From source file:org.pentaho.gwt.widgets.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./*from w  ww  .  java 2 s  .  c  om*/
 * 
 * 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.
 * @param keyCode
 *          the Unicode character that was generated by the keyboard action.
 * @param modifiers
 *          the modifier keys pressed at when the event occurred. This value is a combination of the bits defined by
 *          MODIFIER_SHIFT, MODIFIER_CTRL, and MODIFIER_ALT.
 * @see com.google.gwt.user.client.ui.KeyboardListener
 */
public void onKeyPress(Widget sender, char keyCode, int modifiers) {
    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) KeyboardListener.KEY_TAB)
                && (keyCode != (char) KeyboardListener.KEY_BACKSPACE)
                && (keyCode != (char) KeyboardListener.KEY_DELETE)
                && (keyCode != (char) KeyboardListener.KEY_ENTER)
                && (keyCode != (char) KeyboardListener.KEY_HOME) && (keyCode != (char) KeyboardListener.KEY_END)
                && (keyCode != (char) KeyboardListener.KEY_LEFT) && (keyCode != (char) KeyboardListener.KEY_UP)
                && (keyCode != (char) KeyboardListener.KEY_RIGHT)
                && (keyCode != (char) KeyboardListener.KEY_DOWN)) {
            ((TextBox) sender).cancelKey();
        }
    } else {
        // Disallow non-numerics in numeric boxes
        if ((!Character.isDigit(keyCode)) && (keyCode != (char) KeyboardListener.KEY_TAB)
                && (keyCode != (char) KeyboardListener.KEY_BACKSPACE)
                && (keyCode != (char) KeyboardListener.KEY_DELETE)
                && (keyCode != (char) KeyboardListener.KEY_ENTER)
                && (keyCode != (char) KeyboardListener.KEY_HOME) && (keyCode != (char) KeyboardListener.KEY_END)
                && (keyCode != (char) KeyboardListener.KEY_LEFT) && (keyCode != (char) KeyboardListener.KEY_UP)
                && (keyCode != (char) KeyboardListener.KEY_RIGHT)
                && (keyCode != (char) KeyboardListener.KEY_DOWN)) {
            ((TextBox) sender).cancelKey();
        }
    }
}

From source file:org.pentaho.ui.xul.gwt.tags.GwtTextbox.java

License:Open Source License

@SuppressWarnings("deprecation")
private void setupListeners() {
    textBox.addKeyboardListener(new KeyboardListener() {

        public void onKeyDown(Widget sender, char keyCode, int modifiers) {
            if (onblur != null && !onblur.equalsIgnoreCase("")) { //$NON-NLS-1$
                if (keyCode == KeyboardListener.KEY_TAB) {
                    Event.getCurrentEvent().cancelBubble(true);
                    Event.getCurrentEvent().preventDefault();

                    try {
                        GwtTextbox.this.getXulDomContainer().invoke(GwtTextbox.this.getOnblur(),
                                new Object[] {});
                    } catch (XulException e) {
                        e.printStackTrace();
                    }/*w w w.  ja va  2 s . co  m*/
                }
            }
        }

        public void onKeyPress(Widget sender, char keyCode, int modifiers) {
        }

        public void onKeyUp(Widget sender, char keyCode, int modifiers) {
            setValue(textBox.getText());
            if (keyCode == KeyboardListener.KEY_ENTER) {
                if (!GwtTextbox.this.multiline) {
                    try {
                        GwtTextbox.this.getXulDomContainer().invoke(GwtTextbox.this.getOncommand(),
                                new Object[] {});
                    } catch (XulException e) {
                        e.printStackTrace();
                    }
                }
            }
        }

    });

    textBox.addBlurHandler(new BlurHandler() {
        public void onBlur(BlurEvent event) {
            if (onblur != null && !onblur.equalsIgnoreCase("")) { //$NON-NLS-1$
                try {
                    GwtTextbox.this.getXulDomContainer().invoke(GwtTextbox.this.getOnblur(), new Object[] {});
                } catch (XulException e) {
                    e.printStackTrace();
                }
            }
        }
    });

}