/* * Copyright 2000-2014 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.ui; import java.io.Serializable; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.List; import java.util.Map; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; import com.vaadin.event.FieldEvents.BlurEvent; import com.vaadin.event.FieldEvents.BlurListener; import com.vaadin.event.FieldEvents.BlurNotifier; import com.vaadin.event.FieldEvents.FocusEvent; import com.vaadin.event.FieldEvents.FocusListener; import com.vaadin.event.FieldEvents.FocusNotifier; import com.vaadin.event.MouseEvents.ClickEvent; import com.vaadin.event.ShortcutAction; import com.vaadin.event.ShortcutAction.KeyCode; import com.vaadin.event.ShortcutAction.ModifierKey; import com.vaadin.event.ShortcutListener; import com.vaadin.server.PaintException; import com.vaadin.server.PaintTarget; import com.vaadin.shared.Connector; import com.vaadin.shared.MouseEventDetails; import com.vaadin.shared.ui.window.WindowMode; import com.vaadin.shared.ui.window.WindowRole; import com.vaadin.shared.ui.window.WindowServerRpc; import com.vaadin.shared.ui.window.WindowState; import com.vaadin.ui.declarative.DesignAttributeHandler; import com.vaadin.ui.declarative.DesignContext; import com.vaadin.ui.declarative.DesignException; import com.vaadin.util.ReflectTools; /** * A component that represents a floating popup window that can be added to a * {@link UI}. A window is added to a {@code UI} using * {@link UI#addWindow(Window)}.
** The contents of a window is set using {@link #setContent(Component)} or by * using the {@link #Window(String, Component)} constructor. *
** A window can be positioned on the screen using absolute coordinates (pixels) * or set to be centered using {@link #center()} *
** The caption is displayed in the window header. *
** In Vaadin versions prior to 7.0.0, Window was also used as application level * windows. This function is now covered by the {@link UI} class. *
* * @author Vaadin Ltd. * @since 3.0 */ @SuppressWarnings({ "serial", "deprecation" }) public class Window extends Panel implements FocusNotifier, BlurNotifier, LegacyComponent { private WindowServerRpc rpc = new WindowServerRpc() { @Override public void click(MouseEventDetails mouseDetails) { fireEvent(new ClickEvent(Window.this, mouseDetails)); } @Override public void windowModeChanged(WindowMode newState) { setWindowMode(newState); } @Override public void windowMoved(int x, int y) { if (x != getState(false).positionX) { setPositionX(x); } if (y != getState(false).positionY) { setPositionY(y); } } }; /** * Holds registered CloseShortcut instances for query and later removal */ private List* By default, windows are removed from their respective UIs and thus * visually closed on browser-side. *
* ** To react to a window being closed (after it is closed), register a * {@link CloseListener}. *
*/ public void close() { UI uI = getUI(); // Don't do anything if not attached to a UI if (uI != null) { // window is removed from the UI uI.removeWindow(this); } } /** * Gets the distance of Window left border in pixels from left border of the * containing (main window) when the window is in {@link WindowMode#NORMAL}. * * @return the Distance of Window left border in pixels from left border of * the containing (main window).or -1 if unspecified * @since 4.0.0 */ public int getPositionX() { return getState(false).positionX; } /** * Sets the position of the window on the screen using * {@link #setPositionX(int)} and {@link #setPositionY(int)} * * @since 7.5 * @param x * The new x coordinate for the window * @param y * The new y coordinate for the window */ public void setPosition(int x, int y) { setPositionX(x); setPositionY(y); } /** * Sets the distance of Window left border in pixels from left border of the * containing (main window). Has effect only if in {@link WindowMode#NORMAL} * mode. * * @param positionX * the Distance of Window left border in pixels from left border * of the containing (main window). or -1 if unspecified. * @since 4.0.0 */ public void setPositionX(int positionX) { getState().positionX = positionX; getState().centered = false; } /** * Gets the distance of Window top border in pixels from top border of the * containing (main window) when the window is in {@link WindowMode#NORMAL} * state, or when next set to that state. * * @return Distance of Window top border in pixels from top border of the * containing (main window). or -1 if unspecified * * @since 4.0.0 */ public int getPositionY() { return getState(false).positionY; } /** * Sets the distance of Window top border in pixels from top border of the * containing (main window). Has effect only if in {@link WindowMode#NORMAL} * mode. * * @param positionY * the Distance of Window top border in pixels from top border of * the containing (main window). or -1 if unspecified * * @since 4.0.0 */ public void setPositionY(int positionY) { getState().positionY = positionY; getState().centered = false; } private static final Method WINDOW_CLOSE_METHOD; static { try { WINDOW_CLOSE_METHOD = CloseListener.class.getDeclaredMethod( "windowClose", new Class[] { CloseEvent.class }); } catch (final java.lang.NoSuchMethodException e) { // This should never happen throw new java.lang.RuntimeException( "Internal error, window close method not found"); } } public static class CloseEvent extends Component.Event { /** * * @param source */ public CloseEvent(Component source) { super(source); } /** * Gets the Window. * * @return the window. */ public Window getWindow() { return (Window) getSource(); } } /** * An interface used for listening to Window close events. Add the * CloseListener to a window and * {@link CloseListener#windowClose(CloseEvent)} will be called whenever the * user closes the window. * ** Since Vaadin 6.5, removing a window using {@link #removeWindow(Window)} * fires the CloseListener. *
*/ public interface CloseListener extends Serializable { /** * Called when the user closes a window. Use * {@link CloseEvent#getWindow()} to get a reference to the * {@link Window} that was closed. * * @param e * Event containing */ public void windowClose(CloseEvent e); } /** * Adds a CloseListener to the window. * * For a window the CloseListener is fired when the user closes it (clicks * on the close button). * * For a browser level window the CloseListener is fired when the browser * level window is closed. Note that closing a browser level window does not * mean it will be destroyed. Also note that Opera does not send events like * all other browsers and therefore the close listener might not be called * if Opera is used. * ** Since Vaadin 6.5, removing windows using {@link #removeWindow(Window)} * does fire the CloseListener. *
* * @param listener * the CloseListener to add. */ public void addCloseListener(CloseListener listener) { addListener(CloseEvent.class, listener, WINDOW_CLOSE_METHOD); } /** * @deprecated As of 7.0, replaced by * {@link #addCloseListener(CloseListener)} **/ @Deprecated public void addListener(CloseListener listener) { addCloseListener(listener); } /** * Removes the CloseListener from the window. * ** For more information on CloseListeners see {@link CloseListener}. *
* * @param listener * the CloseListener to remove. */ public void removeCloseListener(CloseListener listener) { removeListener(CloseEvent.class, listener, WINDOW_CLOSE_METHOD); } /** * @deprecated As of 7.0, replaced by * {@link #removeCloseListener(CloseListener)} **/ @Deprecated public void removeListener(CloseListener listener) { removeCloseListener(listener); } protected void fireClose() { fireEvent(new Window.CloseEvent(this)); } /** * Event which is fired when the mode of the Window changes. * * @author Vaadin Ltd * @since 7.1 * */ public static class WindowModeChangeEvent extends Component.Event { private final WindowMode windowMode; /** * * @param source */ public WindowModeChangeEvent(Component source, WindowMode windowMode) { super(source); this.windowMode = windowMode; } /** * Gets the Window. * * @return the window */ public Window getWindow() { return (Window) getSource(); } /** * Gets the new window mode. * * @return the new mode */ public WindowMode getWindowMode() { return windowMode; } } /** * An interface used for listening to Window maximize / restore events. Add * the WindowModeChangeListener to a window and * {@link WindowModeChangeListener#windowModeChanged(WindowModeChangeEvent)} * will be called whenever the window is maximized ( * {@link WindowMode#MAXIMIZED}) or restored ({@link WindowMode#NORMAL} ). */ public interface WindowModeChangeListener extends Serializable { public static final Method windowModeChangeMethod = ReflectTools .findMethod(WindowModeChangeListener.class, "windowModeChanged", WindowModeChangeEvent.class); /** * Called when the user maximizes / restores a window. Use * {@link WindowModeChangeEvent#getWindow()} to get a reference to the * {@link Window} that was maximized / restored. Use * {@link WindowModeChangeEvent#getWindowMode()} to get a reference to * the new state. * * @param event */ public void windowModeChanged(WindowModeChangeEvent event); } /** * Adds a WindowModeChangeListener to the window. * * The WindowModeChangeEvent is fired when the user changed the display * state by clicking the maximize/restore button or by double clicking on * the window header. The event is also fired if the state is changed using * {@link #setWindowMode(WindowMode)}. * * @param listener * the WindowModeChangeListener to add. */ public void addWindowModeChangeListener(WindowModeChangeListener listener) { addListener(WindowModeChangeEvent.class, listener, WindowModeChangeListener.windowModeChangeMethod); } /** * Removes the WindowModeChangeListener from the window. * * @param listener * the WindowModeChangeListener to remove. */ public void removeWindowModeChangeListener(WindowModeChangeListener listener) { removeListener(WindowModeChangeEvent.class, listener, WindowModeChangeListener.windowModeChangeMethod); } protected void fireWindowWindowModeChange() { fireEvent(new Window.WindowModeChangeEvent(this, getState().windowMode)); } /** * Method for the resize event. */ private static final Method WINDOW_RESIZE_METHOD; static { try { WINDOW_RESIZE_METHOD = ResizeListener.class.getDeclaredMethod( "windowResized", new Class[] { ResizeEvent.class }); } catch (final java.lang.NoSuchMethodException e) { // This should never happen throw new java.lang.RuntimeException( "Internal error, window resized method not found"); } } /** * Resize events are fired whenever the client-side fires a resize-event * (e.g. the browser window is resized). The frequency may vary across * browsers. */ public static class ResizeEvent extends Component.Event { /** * * @param source */ public ResizeEvent(Component source) { super(source); } /** * Get the window form which this event originated * * @return the window */ public Window getWindow() { return (Window) getSource(); } } /** * Listener for window resize events. * * @see com.vaadin.ui.Window.ResizeEvent */ public interface ResizeListener extends Serializable { public void windowResized(ResizeEvent e); } /** * Add a resize listener. * * @param listener */ public void addResizeListener(ResizeListener listener) { addListener(ResizeEvent.class, listener, WINDOW_RESIZE_METHOD); } /** * @deprecated As of 7.0, replaced by * {@link #addResizeListener(ResizeListener)} **/ @Deprecated public void addListener(ResizeListener listener) { addResizeListener(listener); } /** * Remove a resize listener. * * @param listener */ public void removeResizeListener(ResizeListener listener) { removeListener(ResizeEvent.class, listener); } /** * @deprecated As of 7.0, replaced by * {@link #removeResizeListener(ResizeListener)} **/ @Deprecated public void removeListener(ResizeListener listener) { removeResizeListener(listener); } /** * Fire the resize event. */ protected void fireResize() { fireEvent(new ResizeEvent(this)); } /** * Used to keep the right order of windows if multiple windows are brought * to front in a single changeset. If this is not used, the order is quite * random (depends on the order getting to dirty list. e.g. which window got * variable changes). */ private Integer bringToFront = null; /** * If there are currently several windows visible, calling this method makes * this window topmost. ** This method can only be called if this window connected a UI. Else an * illegal state exception is thrown. Also if there are modal windows and * this window is not modal, and illegal state exception is thrown. *
*/ public void bringToFront() { UI uI = getUI(); if (uI == null) { throw new IllegalStateException( "Window must be attached to parent before calling bringToFront method."); } int maxBringToFront = -1; for (Window w : uI.getWindows()) { if (!isModal() && w.isModal()) { throw new IllegalStateException( "The UI contains modal windows, non-modal window cannot be brought to front."); } if (w.bringToFront != null) { maxBringToFront = Math.max(maxBringToFront, w.bringToFront.intValue()); } } bringToFront = Integer.valueOf(maxBringToFront + 1); markAsDirty(); } /** * Sets window modality. When a modal window is open, components outside * that window cannot be accessed. *
* Keyboard navigation is restricted by blocking the tab key at the top and * bottom of the window by activating the tab stop function internally. * * @param modal * true if modality is to be turned on */ public void setModal(boolean modal) { getState().modal = modal; center(); } /** * @return true if this window is modal. */ public boolean isModal() { return getState(false).modal; } /** * Sets window resizable. * * @param resizable * true if resizability is to be turned on */ public void setResizable(boolean resizable) { getState().resizable = resizable; } /** * * @return true if window is resizable by the end-user, otherwise false. */ public boolean isResizable() { return getState(false).resizable; } /** * * @return true if a delay is used before recalculating sizes, false if * sizes are recalculated immediately. */ public boolean isResizeLazy() { return getState(false).resizeLazy; } /** * Should resize operations be lazy, i.e. should there be a delay before * layout sizes are recalculated. Speeds up resize operations in slow UIs * with the penalty of slightly decreased usability. * * Note, some browser send false resize events for the browser window and * are therefore always lazy. * * @param resizeLazy * true to use a delay before recalculating sizes, false to * calculate immediately. */ public void setResizeLazy(boolean resizeLazy) { getState().resizeLazy = resizeLazy; } /** * Sets this window to be centered relative to its parent window. Affects * windows only. If the window is resized as a result of the size of its * content changing, it will keep itself centered as long as its position is * not explicitly changed programmatically or by the user. *
* NOTE: This method has several issues as currently implemented. * Please refer to http://dev.vaadin.com/ticket/8971 for details. */ public void center() { getState().centered = true; } /** * Returns the closable status of the window. If a window is closable, it * typically shows an X in the upper right corner. Clicking on the X sends a * close event to the server. Setting closable to false will remove the X * from the window and prevent the user from closing the window. * * Note! For historical reasons readonly controls the closability of the * window and therefore readonly and closable affect each other. Setting * readonly to true will set closable to false and vice versa. *
* * @return true if the window can be closed by the user. */ public boolean isClosable() { return !isReadOnly(); } /** * Sets the closable status for the window. If a window is closable it * typically shows an X in the upper right corner. Clicking on the X sends a * close event to the server. Setting closable to false will remove the X * from the window and prevent the user from closing the window. * * Note! For historical reasons readonly controls the closability of the * window and therefore readonly and closable affect each other. Setting * readonly to true will set closable to false and vice versa. * * * @param closable * determines if the window can be closed by the user. */ public void setClosable(boolean closable) { setReadOnly(!closable); } /** * Indicates whether a window can be dragged or not. By default a window is * draggable. * * * @param draggable * true if the window can be dragged by the user */ public boolean isDraggable() { return getState(false).draggable; } /** * Enables or disables that a window can be dragged (moved) by the user. By * default a window is draggable. * * * @param draggable * true if the window can be dragged by the user */ public void setDraggable(boolean draggable) { getState().draggable = draggable; } /** * Gets the current mode of the window. * * @see WindowMode * @return the mode of the window. */ public WindowMode getWindowMode() { return getState(false).windowMode; } /** * Sets the mode for the window * * @see WindowMode * @param windowMode * The new mode */ public void setWindowMode(WindowMode windowMode) { if (windowMode != getWindowMode()) { getState().windowMode = windowMode; fireWindowWindowModeChange(); } } /** * This is the old way of adding a keyboard shortcut to close a * {@link Window} - to preserve compatibility with existing code under the * new functionality, this method now first removes all registered close * shortcuts, then adds the default ESCAPE shortcut key, and then attempts * to add the shortcut provided as parameters to this method. This method, * and its companion {@link #removeCloseShortcut()}, are now considered * deprecated, as their main function is to preserve exact backwards * compatibility with old code. For all new code, use the new keyboard * shortcuts API: {@link #addCloseShortcut(int,int...)}, * {@link #removeCloseShortcut(int,int...)}, * {@link #removeAllCloseShortcuts()}, {@link #hasCloseShortcut(int,int...)} * and {@link #getCloseShortcuts()}. *
* Original description: Makes it possible to close the window by pressing
* the given {@link KeyCode} and (optional) {@link ModifierKey}s.
* Note that this shortcut only reacts while the window has focus, closing
* itself - if you want to close a window from a UI, use
* {@link UI#addAction(com.vaadin.event.Action)} of the UI instead.
*
* @param keyCode
* the keycode for invoking the shortcut
* @param modifiers
* the (optional) modifiers for invoking the shortcut. Can be set
* to null to be explicit about not having modifiers.
*
* @deprecated Use {@link #addCloseShortcut(int, int...)} instead.
*/
@Deprecated
public void setCloseShortcut(int keyCode, int... modifiers) {
removeCloseShortcut();
addCloseShortcut(keyCode, modifiers);
}
/**
* Removes all keyboard shortcuts previously set with
* {@link #setCloseShortcut(int, int...)} and
* {@link #addCloseShortcut(int, int...)}, then adds the default
* {@link KeyCode#ESCAPE} shortcut.
*
* This is the old way of removing the (single) keyboard close shortcut, and
* is retained only for exact backwards compatibility. For all new code, use
* the new keyboard shortcuts API: {@link #addCloseShortcut(int,int...)},
* {@link #removeCloseShortcut(int,int...)},
* {@link #removeAllCloseShortcuts()}, {@link #hasCloseShortcut(int,int...)}
* and {@link #getCloseShortcuts()}.
*
* @deprecated Use {@link #removeCloseShortcut(int, int...)} instead.
*/
@Deprecated
public void removeCloseShortcut() {
for (int i = 0; i < closeShortcuts.size(); ++i) {
CloseShortcut sc = closeShortcuts.get(i);
removeAction(sc);
}
closeShortcuts.clear();
addCloseShortcut(KeyCode.ESCAPE);
}
/**
* Adds a close shortcut - pressing this key while holding down all (if any)
* modifiers specified while this Window is in focus will close the Window.
*
* @since 7.6
* @param keyCode
* the keycode for invoking the shortcut
* @param modifiers
* the (optional) modifiers for invoking the shortcut. Can be set
* to null to be explicit about not having modifiers.
*/
public void addCloseShortcut(int keyCode, int... modifiers) {
// Ignore attempts to re-add existing shortcuts
if (hasCloseShortcut(keyCode, modifiers)) {
return;
}
// Actually add the shortcut
CloseShortcut shortcut = new CloseShortcut(this, keyCode, modifiers);
addAction(shortcut);
closeShortcuts.add(shortcut);
}
/**
* Removes a close shortcut previously added with
* {@link #addCloseShortcut(int, int...)}.
*
* @since 7.6
* @param keyCode
* the keycode for invoking the shortcut
* @param modifiers
* the (optional) modifiers for invoking the shortcut. Can be set
* to null to be explicit about not having modifiers.
*/
public void removeCloseShortcut(int keyCode, int... modifiers) {
for (CloseShortcut shortcut : closeShortcuts) {
if (shortcut.equals(keyCode, modifiers)) {
removeAction(shortcut);
closeShortcuts.remove(shortcut);
return;
}
}
}
/**
* Removes all close shortcuts. This includes the default ESCAPE shortcut.
* It is up to the user to add back any and all keyboard close shortcuts
* they may require. For more fine-grained control over shortcuts, use
* {@link #removeCloseShortcut(int, int...)}.
*
* @since 7.6
*/
public void removeAllCloseShortcuts() {
for (CloseShortcut shortcut : closeShortcuts) {
removeAction(shortcut);
}
closeShortcuts.clear();
}
/**
* Checks if a close window shortcut key has already been registered.
*
* @since 7.6
* @param keyCode
* the keycode for invoking the shortcut
* @param modifiers
* the (optional) modifiers for invoking the shortcut. Can be set
* to null to be explicit about not having modifiers.
* @return true, if an exactly matching shortcut has been registered.
*/
public boolean hasCloseShortcut(int keyCode, int... modifiers) {
for (CloseShortcut shortcut : closeShortcuts) {
if (shortcut.equals(keyCode, modifiers)) {
return true;
}
}
return false;
}
/**
* Returns an unmodifiable collection of {@link CloseShortcut} objects
* currently registered with this {@link Window}. This method is provided
* mainly so that users can implement their own serialization routines. To
* check if a certain combination of keys has been registered as a close
* shortcut, use the {@link #hasCloseShortcut(int, int...)} method instead.
*
* @since 7.6
* @return an unmodifiable Collection of CloseShortcut objects.
*/
public Collection
* This is meant to help users of assistive devices to not leaving the
* window unintentionally.
*
* For modal windows, this function is activated automatically, while
* preserving the stored value of tabStop.
*
* @param tabStop
* true to keep the focus inside the window when reaching the top
* or bottom, false (default) to allow leaving the window
*/
public void setTabStopEnabled(boolean tabStop) {
getState().assistiveTabStop = tabStop;
}
/**
* Get if it is prevented to leave a window with the tab key.
*
* @return true when the focus is limited to inside the window, false when
* focus can leave the window
*/
public boolean isTabStopEnabled() {
return getState(false).assistiveTabStop;
}
/**
* Sets the message that is provided to users of assistive devices when the
* user reaches the top of the window when leaving a window with the tab key
* is prevented.
*
* This message is not visible on the screen.
*
* @param topMessage
* String provided when the user navigates with Shift-Tab keys to
* the top of the window
*/
public void setTabStopTopAssistiveText(String topMessage) {
getState().assistiveTabStopTopText = topMessage;
}
/**
* Sets the message that is provided to users of assistive devices when the
* user reaches the bottom of the window when leaving a window with the tab
* key is prevented.
*
* This message is not visible on the screen.
*
* @param bottomMessage
* String provided when the user navigates with the Tab key to
* the bottom of the window
*/
public void setTabStopBottomAssistiveText(String bottomMessage) {
getState().assistiveTabStopBottomText = bottomMessage;
}
/**
* Gets the message that is provided to users of assistive devices when the
* user reaches the top of the window when leaving a window with the tab key
* is prevented.
*
* @return the top message
*/
public String getTabStopTopAssistiveText() {
return getState(false).assistiveTabStopTopText;
}
/**
* Gets the message that is provided to users of assistive devices when the
* user reaches the bottom of the window when leaving a window with the tab
* key is prevented.
*
* @return the bottom message
*/
public String getTabStopBottomAssistiveText() {
return getState(false).assistiveTabStopBottomText;
}
@Override
public void readDesign(Element design, DesignContext context) {
super.readDesign(design, context);
if (design.hasAttr("center")) {
center();
}
if (design.hasAttr("position")) {
String[] position = design.attr("position").split(",");
setPositionX(Integer.parseInt(position[0]));
setPositionY(Integer.parseInt(position[1]));
}
// Parse shortcuts if defined, otherwise rely on default behavior
if (design.hasAttr("close-shortcut")) {
// Parse shortcuts
String[] shortcutStrings = DesignAttributeHandler.readAttribute(
"close-shortcut", design.attributes(), String.class).split(
"\\s+");
removeAllCloseShortcuts();
for (String part : shortcutStrings) {
if (!part.isEmpty()) {
ShortcutAction shortcut = DesignAttributeHandler
.getFormatter().parse(part.trim(),
ShortcutAction.class);
addCloseShortcut(shortcut.getKeyCode(),
shortcut.getModifiers());
}
}
}
}
/**
* Reads the content and possible assistive descriptions from the list of
* child elements of a design. If an element has an
* {@code :assistive-description} attribute, adds the parsed component to
* the list of components used as the assistive description of this Window.
* Otherwise, sets the component as the content of this Window. If there are
* multiple non-description elements, throws a DesignException.
*
* @param children
* child elements in a design
* @param context
* the DesignContext instance used to parse the design
*
* @throws DesignException
* if there are multiple non-description child elements
* @throws DesignException
* if a child element could not be parsed as a Component
*
* @see #setContent(Component)
* @see #setAssistiveDescription(Component...)
*/
@Override
protected void readDesignChildren(Elements children, DesignContext context) {
List
*
*
*/
public static class CloseShortcut extends ShortcutListener {
protected Window window;
/**
* Creates a keyboard shortcut for closing the given window using the
* shorthand notation defined in {@link ShortcutAction}.
*
* @param window
* to be closed when the shortcut is invoked
* @param shorthandCaption
* the caption with shortcut keycode and modifiers indicated
*/
public CloseShortcut(Window window, String shorthandCaption) {
super(shorthandCaption);
this.window = window;
}
/**
* Creates a keyboard shortcut for closing the given window using the
* given {@link KeyCode} and {@link ModifierKey}s.
*
* @param window
* to be closed when the shortcut is invoked
* @param keyCode
* KeyCode to react to
* @param modifiers
* optional modifiers for shortcut
*/
public CloseShortcut(Window window, int keyCode, int... modifiers) {
super(null, keyCode, modifiers);
this.window = window;
}
/**
* Creates a keyboard shortcut for closing the given window using the
* given {@link KeyCode}.
*
* @param window
* to be closed when the shortcut is invoked
* @param keyCode
* KeyCode to react to
*/
public CloseShortcut(Window window, int keyCode) {
this(window, keyCode, null);
}
@Override
public void handleAction(Object sender, Object target) {
window.close();
}
public boolean equals(int keyCode, int... modifiers) {
if (keyCode != getKeyCode()) {
return false;
}
if (getModifiers() != null) {
int[] mods = null;
if (modifiers != null) {
// Modifiers provided by the parent ShortcutAction class
// are guaranteed to be sorted. We still need to sort
// the modifiers passed in as argument.
mods = Arrays.copyOf(modifiers, modifiers.length);
Arrays.sort(mods);
}
return Arrays.equals(mods, getModifiers());
}
return true;
}
}
/*
* (non-Javadoc)
*
* @see
* com.vaadin.event.FieldEvents.FocusNotifier#addFocusListener(com.vaadin
* .event.FieldEvents.FocusListener)
*/
@Override
public void addFocusListener(FocusListener listener) {
addListener(FocusEvent.EVENT_ID, FocusEvent.class, listener,
FocusListener.focusMethod);
}
/**
* @deprecated As of 7.0, replaced by
* {@link #addFocusListener(FocusListener)}
**/
@Override
@Deprecated
public void addListener(FocusListener listener) {
addFocusListener(listener);
}
@Override
public void removeFocusListener(FocusListener listener) {
removeListener(FocusEvent.EVENT_ID, FocusEvent.class, listener);
}
/**
* @deprecated As of 7.0, replaced by
* {@link #removeFocusListener(FocusListener)}
**/
@Override
@Deprecated
public void removeListener(FocusListener listener) {
removeFocusListener(listener);
}
/*
* (non-Javadoc)
*
* @see
* com.vaadin.event.FieldEvents.BlurNotifier#addBlurListener(com.vaadin.
* event.FieldEvents.BlurListener)
*/
@Override
public void addBlurListener(BlurListener listener) {
addListener(BlurEvent.EVENT_ID, BlurEvent.class, listener,
BlurListener.blurMethod);
}
/**
* @deprecated As of 7.0, replaced by {@link #addBlurListener(BlurListener)}
**/
@Override
@Deprecated
public void addListener(BlurListener listener) {
addBlurListener(listener);
}
@Override
public void removeBlurListener(BlurListener listener) {
removeListener(BlurEvent.EVENT_ID, BlurEvent.class, listener);
}
/**
* @deprecated As of 7.0, replaced by
* {@link #removeBlurListener(BlurListener)}
**/
@Override
@Deprecated
public void removeListener(BlurListener listener) {
removeBlurListener(listener);
}
/**
* {@inheritDoc}
*
* Cause the window to be brought on top of other windows and gain keyboard
* focus.
*/
@Override
public void focus() {
/*
* When focusing a window it basically means it should be brought to the
* front. Instead of just moving the keyboard focus we focus the window
* and bring it top-most.
*/
super.focus();
bringToFront();
}
@Override
protected WindowState getState() {
return (WindowState) super.getState();
}
@Override
protected WindowState getState(boolean markAsDirty) {
return (WindowState) super.getState(markAsDirty);
}
/**
* Allows to specify which components contain the description for the
* window. Text contained in these components will be read by assistive
* devices when it is opened.
*
* @param components
* the components to use as description
*/
public void setAssistiveDescription(Component... components) {
if (components == null) {
throw new IllegalArgumentException(
"Parameter connectors must be non-null");
} else {
getState().contentDescription = components;
}
}
/**
* Gets the components that are used as assistive description. Text
* contained in these components will be read by assistive devices when the
* window is opened.
*
* @return array of previously set components
*/
public Component[] getAssistiveDescription() {
Connector[] contentDescription = getState(false).contentDescription;
if (contentDescription == null) {
return null;
}
Component[] target = new Component[contentDescription.length];
System.arraycopy(contentDescription, 0, target, 0,
contentDescription.length);
return target;
}
/**
* Sets the accessibility prefix for the window caption.
*
* This prefix is read to assistive device users before the window caption,
* but not visible on the page.
*
* @param prefix
* String that is placed before the window caption
*/
public void setAssistivePrefix(String prefix) {
getState().assistivePrefix = prefix;
}
/**
* Gets the accessibility prefix for the window caption.
*
* This prefix is read to assistive device users before the window caption,
* but not visible on the page.
*
* @return The accessibility prefix
*/
public String getAssistivePrefix() {
return getState(false).assistivePrefix;
}
/**
* Sets the accessibility postfix for the window caption.
*
* This postfix is read to assistive device users after the window caption,
* but not visible on the page.
*
* @param prefix
* String that is placed after the window caption
*/
public void setAssistivePostfix(String assistivePostfix) {
getState().assistivePostfix = assistivePostfix;
}
/**
* Gets the accessibility postfix for the window caption.
*
* This postfix is read to assistive device users after the window caption,
* but not visible on the page.
*
* @return The accessibility postfix
*/
public String getAssistivePostfix() {
return getState(false).assistivePostfix;
}
/**
* Sets the WAI-ARIA role the window.
*
* This role defines how an assistive device handles a window. Available
* roles are alertdialog and dialog (@see Roles
* Model).
*
* The default role is dialog.
*
* @param role
* WAI-ARIA role to set for the window
*/
public void setAssistiveRole(WindowRole role) {
getState().role = role;
}
/**
* Gets the WAI-ARIA role the window.
*
* This role defines how an assistive device handles a window. Available
* roles are alertdialog and dialog (@see Roles
* Model).
*
* @return WAI-ARIA role set for the window
*/
public WindowRole getAssistiveRole() {
return getState(false).role;
}
/**
* Set if it should be prevented to set the focus to a component outside a
* non-modal window with the tab key.
*
* // within the window using helper
* window.setCloseShortcut(KeyCode.ESCAPE, null);
*
* // or globally
* getUI().addAction(new Window.CloseShortcut(window, KeyCode.ESCAPE));
*
*