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- /*
- * Copyright 2000-2016 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.client.ui;
-
- import static com.vaadin.client.WidgetUtil.isFocusedElementEditable;
-
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.Collections;
- import java.util.Comparator;
- import java.util.List;
-
- import com.google.gwt.aria.client.Id;
- import com.google.gwt.aria.client.RelevantValue;
- import com.google.gwt.aria.client.Roles;
- import com.google.gwt.core.client.Scheduler;
- import com.google.gwt.core.client.Scheduler.ScheduledCommand;
- import com.google.gwt.dom.client.Document;
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.dom.client.NativeEvent;
- import com.google.gwt.dom.client.Style.Position;
- import com.google.gwt.dom.client.Style.Unit;
- import com.google.gwt.dom.client.Style.Visibility;
- import com.google.gwt.event.dom.client.BlurEvent;
- import com.google.gwt.event.dom.client.BlurHandler;
- import com.google.gwt.event.dom.client.FocusEvent;
- import com.google.gwt.event.dom.client.FocusHandler;
- import com.google.gwt.event.dom.client.KeyCodes;
- import com.google.gwt.event.dom.client.KeyDownEvent;
- import com.google.gwt.event.dom.client.KeyDownHandler;
- import com.google.gwt.event.dom.client.ScrollEvent;
- import com.google.gwt.event.dom.client.ScrollHandler;
- import com.google.gwt.event.shared.HandlerManager;
- import com.google.gwt.event.shared.HandlerRegistration;
- import com.google.gwt.user.client.Command;
- import com.google.gwt.user.client.DOM;
- import com.google.gwt.user.client.Event;
- import com.google.gwt.user.client.Event.NativePreviewEvent;
- import com.google.gwt.user.client.Event.NativePreviewHandler;
- import com.google.gwt.user.client.Window;
- import com.google.gwt.user.client.ui.Widget;
- import com.vaadin.client.ApplicationConnection;
- import com.vaadin.client.BrowserInfo;
- import com.vaadin.client.ComponentConnector;
- import com.vaadin.client.ConnectorMap;
- import com.vaadin.client.Focusable;
- import com.vaadin.client.LayoutManager;
- import com.vaadin.client.WidgetUtil;
- import com.vaadin.client.debug.internal.VDebugWindow;
- import com.vaadin.client.ui.ShortcutActionHandler.ShortcutActionHandlerOwner;
- import com.vaadin.client.ui.aria.AriaHelper;
- import com.vaadin.client.ui.window.WindowMoveEvent;
- import com.vaadin.client.ui.window.WindowMoveHandler;
- import com.vaadin.client.ui.window.WindowOrderEvent;
- import com.vaadin.client.ui.window.WindowOrderHandler;
- import com.vaadin.shared.Connector;
- import com.vaadin.shared.EventId;
- import com.vaadin.shared.ui.window.WindowMode;
- import com.vaadin.shared.ui.window.WindowRole;
-
- /**
- * "Sub window" component.
- *
- * @author Vaadin Ltd
- */
- public class VWindow extends VOverlay implements ShortcutActionHandlerOwner,
- ScrollHandler, KeyDownHandler, FocusHandler, BlurHandler, Focusable {
-
- private static List<VWindow> windowOrder = new ArrayList<>();
-
- private static HandlerManager WINDOW_ORDER_HANDLER = new HandlerManager(
- VWindow.class);
-
- private static boolean orderingDefered;
-
- public static final String CLASSNAME = "v-window";
-
- private static final String MODAL_WINDOW_OPEN_CLASSNAME = "v-modal-window-open";
-
- private static final int STACKING_OFFSET_PIXELS = 15;
-
- public static final int Z_INDEX = 10000;
-
- /** For internal use only. May be removed or replaced in the future. */
- public Element contents;
-
- /** For internal use only. May be removed or replaced in the future. */
- public Element header;
-
- /** For internal use only. May be removed or replaced in the future. */
- public Element footer;
-
- private Element resizeBox;
-
- /** For internal use only. May be removed or replaced in the future. */
- public final FocusableScrollPanel contentPanel = new FocusableScrollPanel();
-
- private boolean dragging;
-
- private int startX;
-
- private int startY;
-
- private int origX;
-
- private int origY;
-
- private boolean resizing;
-
- private int origW;
-
- private int origH;
-
- /** For internal use only. May be removed or replaced in the future. */
- public Element closeBox;
-
- /** For internal use only. May be removed or replaced in the future. */
- public Element maximizeRestoreBox;
-
- /** For internal use only. May be removed or replaced in the future. */
- public ApplicationConnection client;
-
- /** For internal use only. May be removed or replaced in the future. */
- public String id;
-
- /** For internal use only. May be removed or replaced in the future. */
- public ShortcutActionHandler shortcutHandler;
-
- /**
- * Last known positionx read from UIDL or updated to application connection
- */
- private int uidlPositionX = -1;
-
- /**
- * Last known positiony read from UIDL or updated to application connection
- */
- private int uidlPositionY = -1;
-
- /** For internal use only. May be removed or replaced in the future. */
- public boolean vaadinModality = false;
-
- /** For internal use only. May be removed or replaced in the future. */
- public boolean resizable = true;
-
- private boolean draggable = true;
-
- /** For internal use only. May be removed or replaced in the future. */
- public boolean resizeLazy = false;
-
- private Element modalityCurtain;
- private Element draggingCurtain;
- private Element resizingCurtain;
-
- private Element headerText;
-
- private boolean closable = true;
-
- private Connector[] assistiveConnectors = new Connector[0];
- private String assistivePrefix;
- private String assistivePostfix;
-
- private Element topTabStop;
- private Element bottomTabStop;
-
- private NativePreviewHandler topEventBlocker;
- private NativePreviewHandler bottomEventBlocker;
-
- private HandlerRegistration topBlockerRegistration;
- private HandlerRegistration bottomBlockerRegistration;
-
- // Prevents leaving the window with the Tab key when true
- private boolean doTabStop;
-
- /**
- * If centered (via UIDL), the window should stay in the centered -mode
- * until a position is received from the server, or the user moves or
- * resizes the window.
- * <p>
- * For internal use only. May be removed or replaced in the future.
- */
- public boolean centered = false;
-
- private Element wrapper;
-
- /** For internal use only. May be removed or replaced in the future. */
- public boolean visibilityChangesDisabled;
-
- /** For internal use only. May be removed or replaced in the future. */
- public int bringToFrontSequence = -1;
-
- private VLazyExecutor delayedContentsSizeUpdater = new VLazyExecutor(200,
- new ScheduledCommand() {
-
- @Override
- public void execute() {
- updateContentsSize();
- }
- });
-
- public VWindow() {
- super(false, false); // no autohide, not modal
-
- Roles.getDialogRole().set(getElement());
- Roles.getDialogRole().setAriaRelevantProperty(getElement(),
- RelevantValue.ADDITIONS);
-
- constructDOM();
- contentPanel.addScrollHandler(this);
- contentPanel.addKeyDownHandler(this);
- contentPanel.addFocusHandler(this);
- contentPanel.addBlurHandler(this);
- addTransitionEndLayoutListener(getElement());
-
- }
-
- @Override
- protected void onAttach() {
- super.onAttach();
-
- /*
- * Stores the element that has focus in the application UI when the
- * window is opened, so it can be restored when the window closes.
- *
- * This is currently implemented for the case when one non-modal window
- * can be open at the same time, and the focus is not changed while the
- * window is open.
- */
- getApplicationConnection().getUIConnector().getWidget().storeFocus();
-
- /*
- * When this window gets reattached, set the tabstop to the previous
- * state.
- */
- setTabStopEnabled(doTabStop);
- }
-
- @Override
- protected void onDetach() {
- super.onDetach();
-
- /*
- * Restores the previously stored focused element.
- *
- * When the focus was changed outside the window while the window was
- * open, the originally stored element is restored.
- */
- getApplicationConnection().getUIConnector().getWidget()
- .focusStoredElement();
-
- removeTabBlockHandlers();
- }
-
- private void addTabBlockHandlers() {
- if (topBlockerRegistration == null) {
- topBlockerRegistration = Event
- .addNativePreviewHandler(topEventBlocker);
- bottomBlockerRegistration = Event
- .addNativePreviewHandler(bottomEventBlocker);
- }
- }
-
- private void removeTabBlockHandlers() {
- if (topBlockerRegistration != null) {
- topBlockerRegistration.removeHandler();
- topBlockerRegistration = null;
-
- bottomBlockerRegistration.removeHandler();
- bottomBlockerRegistration = null;
- }
- }
-
- public void bringToFront() {
- bringToFront(true);
- }
-
- private void bringToFront(boolean notifyListeners) {
- int curIndex = getWindowOrder();
- if (curIndex + 1 < windowOrder.size()) {
- windowOrder.remove(this);
- windowOrder.add(this);
- for (; curIndex < windowOrder.size(); curIndex++) {
- VWindow window = windowOrder.get(curIndex);
- window.setWindowOrder(curIndex);
- }
- }
- if (notifyListeners) {
- fireOrderEvent();
- }
- }
-
- static void fireOrderEvent() {
- fireOrderEvent(windowOrder);
- }
-
- private void doFireOrderEvent() {
- List<VWindow> list = new ArrayList<>();
- list.add(this);
- fireOrderEvent(list);
- }
-
- private static void fireOrderEvent(List<VWindow> windows) {
- WINDOW_ORDER_HANDLER
- .fireEvent(new WindowOrderEvent(new ArrayList<>(windows)));
- }
-
- /**
- * Returns true if this window is the topmost VWindow
- *
- * @return
- */
- private boolean isActive() {
- return equals(getTopmostWindow());
- }
-
- private static VWindow getTopmostWindow() {
- if (!windowOrder.isEmpty()) {
- return windowOrder.get(windowOrder.size() - 1);
- }
- return null;
- }
-
- /** For internal use only. May be removed or replaced in the future. */
- public void setWindowOrderAndPosition() {
- // This cannot be done in the constructor as the widgets are created in
- // a different order than on they should appear on screen
- if (windowOrder.contains(this)) {
- // Already set
- return;
- }
- final int order = windowOrder.size();
- setWindowOrder(order);
- windowOrder.add(this);
- setPopupPosition(order * STACKING_OFFSET_PIXELS,
- order * STACKING_OFFSET_PIXELS);
- doFireOrderEvent();
- }
-
- private void setWindowOrder(int order) {
- setZIndex(order + Z_INDEX);
- }
-
- /**
- * Returns window position in list of opened and shown windows.
- *
- * @since 8.0
- */
- public final int getWindowOrder() {
- return windowOrder.indexOf(this);
- }
-
- @Override
- protected void setZIndex(int zIndex) {
- super.setZIndex(zIndex);
- if (vaadinModality) {
- getModalityCurtain().getStyle().setZIndex(zIndex);
- }
- }
-
- protected com.google.gwt.user.client.Element getModalityCurtain() {
- if (modalityCurtain == null) {
- modalityCurtain = DOM.createDiv();
- modalityCurtain.setClassName(CLASSNAME + "-modalitycurtain");
- }
- return DOM.asOld(modalityCurtain);
- }
-
- protected void constructDOM() {
- setStyleName(CLASSNAME);
-
- topTabStop = DOM.createDiv();
- DOM.setElementAttribute(topTabStop, "tabindex", "0");
-
- header = DOM.createDiv();
- DOM.setElementProperty(header, "className", CLASSNAME + "-outerheader");
- headerText = DOM.createDiv();
- DOM.setElementProperty(headerText, "className", CLASSNAME + "-header");
- contents = DOM.createDiv();
- DOM.setElementProperty(contents, "className", CLASSNAME + "-contents");
- footer = DOM.createDiv();
- DOM.setElementProperty(footer, "className", CLASSNAME + "-footer");
- resizeBox = DOM.createDiv();
- DOM.setElementProperty(resizeBox, "className",
- CLASSNAME + "-resizebox");
- closeBox = DOM.createDiv();
- maximizeRestoreBox = DOM.createDiv();
- DOM.setElementProperty(maximizeRestoreBox, "className",
- CLASSNAME + "-maximizebox");
- DOM.setElementAttribute(maximizeRestoreBox, "tabindex", "0");
- DOM.setElementProperty(closeBox, "className", CLASSNAME + "-closebox");
- DOM.setElementAttribute(closeBox, "tabindex", "0");
- DOM.appendChild(footer, resizeBox);
-
- bottomTabStop = DOM.createDiv();
- DOM.setElementAttribute(bottomTabStop, "tabindex", "0");
-
- wrapper = DOM.createDiv();
- DOM.setElementProperty(wrapper, "className", CLASSNAME + "-wrap");
-
- DOM.appendChild(wrapper, topTabStop);
- DOM.appendChild(wrapper, header);
- DOM.appendChild(header, maximizeRestoreBox);
- DOM.appendChild(header, closeBox);
- DOM.appendChild(header, headerText);
- DOM.appendChild(wrapper, contents);
- DOM.appendChild(wrapper, footer);
- DOM.appendChild(wrapper, bottomTabStop);
- DOM.appendChild(super.getContainerElement(), wrapper);
-
- sinkEvents(Event.ONDBLCLICK | Event.MOUSEEVENTS | Event.TOUCHEVENTS
- | Event.ONCLICK | Event.ONLOSECAPTURE);
-
- setWidget(contentPanel);
-
- // Make the closebox accessible for assistive devices
- Roles.getButtonRole().set(closeBox);
- Roles.getButtonRole().setAriaLabelProperty(closeBox, "close button");
-
- // Make the maximizebox accessible for assistive devices
- Roles.getButtonRole().set(maximizeRestoreBox);
- Roles.getButtonRole().setAriaLabelProperty(maximizeRestoreBox,
- "maximize button");
-
- // Provide the title to assistive devices
- AriaHelper.ensureHasId(headerText);
- Roles.getDialogRole().setAriaLabelledbyProperty(getElement(),
- Id.of(headerText));
-
- // Handlers to Prevent tab to leave the window
- // and backspace to cause browser navigation
- topEventBlocker = new NativePreviewHandler() {
- @Override
- public void onPreviewNativeEvent(NativePreviewEvent event) {
- NativeEvent nativeEvent = event.getNativeEvent();
- if (nativeEvent.getEventTarget().cast() == topTabStop
- && nativeEvent.getKeyCode() == KeyCodes.KEY_TAB
- && nativeEvent.getShiftKey()) {
- nativeEvent.preventDefault();
- }
- if (nativeEvent.getEventTarget().cast() == topTabStop
- && nativeEvent.getKeyCode() == KeyCodes.KEY_BACKSPACE) {
- nativeEvent.preventDefault();
- }
- }
- };
-
- bottomEventBlocker = new NativePreviewHandler() {
- @Override
- public void onPreviewNativeEvent(NativePreviewEvent event) {
- NativeEvent nativeEvent = event.getNativeEvent();
- if (nativeEvent.getEventTarget().cast() == bottomTabStop
- && nativeEvent.getKeyCode() == KeyCodes.KEY_TAB
- && !nativeEvent.getShiftKey()) {
- nativeEvent.preventDefault();
- }
- if (nativeEvent.getEventTarget().cast() == bottomTabStop
- && nativeEvent.getKeyCode() == KeyCodes.KEY_BACKSPACE) {
- nativeEvent.preventDefault();
- }
- }
- };
- }
-
- /**
- * 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.
- * <p>
- * 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) {
- Roles.getNoteRole().setAriaLabelProperty(topTabStop, 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.
- * <p>
- * 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) {
- Roles.getNoteRole().setAriaLabelProperty(bottomTabStop, 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 Roles.getNoteRole().getAriaLabelProperty(topTabStop);
- }
-
- /**
- * 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 Roles.getNoteRole().getAriaLabelProperty(bottomTabStop);
- }
-
- /**
- * Calling this method will defer ordering algorithm, to order windows based
- * on servers bringToFront and modality instructions. Non changed windows
- * will be left intact.
- * <p>
- * For internal use only. May be removed or replaced in the future.
- */
- public static void deferOrdering() {
- if (!orderingDefered) {
- orderingDefered = true;
- Scheduler.get().scheduleFinally(new Command() {
-
- @Override
- public void execute() {
- doServerSideOrdering();
- VNotification.bringNotificationsToFront();
- }
- });
- }
- }
-
- private static void doServerSideOrdering() {
- orderingDefered = false;
- VWindow[] array = windowOrder.toArray(new VWindow[windowOrder.size()]);
- Arrays.sort(array, new Comparator<VWindow>() {
-
- @Override
- public int compare(VWindow o1, VWindow o2) {
- /*
- * Order by modality, then by bringtofront sequence.
- */
-
- if (o1.vaadinModality && !o2.vaadinModality) {
- return 1;
- } else if (!o1.vaadinModality && o2.vaadinModality) {
- return -1;
- } else if (o1.bringToFrontSequence > o2.bringToFrontSequence) {
- return 1;
- } else if (o1.bringToFrontSequence < o2.bringToFrontSequence) {
- return -1;
- } else {
- return 0;
- }
- }
- });
- for (VWindow w : array) {
- if (w.bringToFrontSequence != -1 || w.vaadinModality) {
- w.bringToFront(false);
- w.bringToFrontSequence = -1;
- }
- }
- focusTopmostModalWindow();
- }
-
- private static void focusTopmostModalWindow() {
- VWindow topmost = getTopmostWindow();
- if (topmost != null && topmost.vaadinModality) {
- topmost.focus();
- }
- fireOrderEvent();
- }
-
- @Override
- public void setVisible(boolean visible) {
- /*
- * Visibility with VWindow works differently than with other Paintables
- * in Vaadin. Invisible VWindows are not attached to DOM at all. Flag is
- * used to avoid visibility call from
- * ApplicationConnection.updateComponent();
- */
- if (!visibilityChangesDisabled) {
- super.setVisible(visible);
- }
-
- if (visible && BrowserInfo.get()
- .requiresPositionAbsoluteOverflowAutoFix()) {
-
- /*
- * Shake up the DOM a bit to make the window shed unnecessary
- * scrollbars and resize correctly afterwards. The version fixing
- * ticket #11994 which was changing the size to 110% was replaced
- * with this due to ticket #12943
- */
- WidgetUtil
- .runWebkitOverflowAutoFix(contents.getFirstChildElement());
- }
- }
-
- /** For internal use only. May be removed or replaced in the future. */
- public void setDraggable(boolean draggable) {
- if (this.draggable == draggable) {
- return;
- }
-
- this.draggable = draggable;
-
- setCursorProperties();
- }
-
- private void setCursorProperties() {
- if (!draggable) {
- header.getStyle().setProperty("cursor", "default");
- footer.getStyle().setProperty("cursor", "default");
- } else {
- header.getStyle().setProperty("cursor", "");
- footer.getStyle().setProperty("cursor", "");
- }
- }
-
- /**
- * Sets the closable state of the window. Additionally hides/shows the close
- * button according to the new state.
- *
- * @param closable
- * true if the window can be closed by the user
- */
- public void setClosable(boolean closable) {
- if (this.closable == closable) {
- return;
- }
-
- this.closable = closable;
- if (closable) {
- DOM.setElementProperty(closeBox, "className",
- CLASSNAME + "-closebox");
-
- } else {
- DOM.setElementProperty(closeBox, "className", CLASSNAME
- + "-closebox " + CLASSNAME + "-closebox-disabled");
-
- }
-
- }
-
- /**
- * Returns the closable state of the sub window. If the sub window is
- * closable a decoration (typically an X) is shown to the user. By clicking
- * on the X the user can close the window.
- *
- * @return true if the sub window is closable
- */
- protected boolean isClosable() {
- return closable;
- }
-
- @Override
- public void show() {
- if (!windowOrder.contains(this)) {
- // This is needed if the window is hidden and then shown again.
- // Otherwise this VWindow is added to windowOrder in the
- // constructor.
- windowOrder.add(this);
- }
-
- if (vaadinModality) {
- showModalityCurtain();
- }
- super.show();
- }
-
- @Override
- public void hide() {
- if (vaadinModality) {
- hideModalityCurtain();
- hideDraggingCurtain();
- hideResizingCurtain();
- }
- super.hide();
-
- int curIndex = getWindowOrder();
- // Remove window from windowOrder to avoid references being left
- // hanging.
- windowOrder.remove(curIndex);
- // Update the z-indices of any remaining windows
- List<VWindow> update = new ArrayList<>(
- windowOrder.size() - curIndex + 1);
- update.add(this);
- while (curIndex < windowOrder.size()) {
- VWindow window = windowOrder.get(curIndex);
- window.setWindowOrder(curIndex++);
- update.add(window);
- }
- focusTopmostModalWindow();
- fireOrderEvent(update);
- }
-
- /** For internal use only. May be removed or replaced in the future. */
- public void setVaadinModality(boolean modality) {
- vaadinModality = modality;
- if (vaadinModality) {
- if (isAttached()) {
- showModalityCurtain();
- }
- addTabBlockHandlers();
- deferOrdering();
- } else {
- if (modalityCurtain != null) {
- if (isAttached()) {
- hideModalityCurtain();
- }
- modalityCurtain = null;
- }
- if (!doTabStop) {
- removeTabBlockHandlers();
- }
- }
- }
-
- private void showModalityCurtain() {
- getModalityCurtain().getStyle().setZIndex(getWindowOrder() + Z_INDEX);
-
- if (isShowing()) {
- getOverlayContainer().insertBefore(getModalityCurtain(),
- getElement());
- } else {
- getOverlayContainer().appendChild(getModalityCurtain());
- }
-
- Document.get().getBody().addClassName(MODAL_WINDOW_OPEN_CLASSNAME);
- }
-
- private void hideModalityCurtain() {
- Document.get().getBody().removeClassName(MODAL_WINDOW_OPEN_CLASSNAME);
-
- modalityCurtain.removeFromParent();
-
- // IE leaks memory in certain cases unless we release the reference
- // (#9197)
- modalityCurtain = null;
- }
-
- /*
- * Shows an empty div on top of all other content; used when moving, so that
- * iframes (etc) do not steal event.
- */
- private void showDraggingCurtain() {
- getElement().getParentElement().insertBefore(getDraggingCurtain(),
- getElement());
- }
-
- private void hideDraggingCurtain() {
- if (draggingCurtain != null) {
- draggingCurtain.removeFromParent();
- }
- }
-
- /*
- * Shows an empty div on top of all other content; used when resizing, so
- * that iframes (etc) do not steal event.
- */
- private void showResizingCurtain() {
- getElement().getParentElement().insertBefore(getResizingCurtain(),
- getElement());
- }
-
- private void hideResizingCurtain() {
- if (resizingCurtain != null) {
- resizingCurtain.removeFromParent();
- }
- }
-
- private Element getDraggingCurtain() {
- if (draggingCurtain == null) {
- draggingCurtain = createCurtain();
- draggingCurtain.setClassName(CLASSNAME + "-draggingCurtain");
- }
-
- return draggingCurtain;
- }
-
- private Element getResizingCurtain() {
- if (resizingCurtain == null) {
- resizingCurtain = createCurtain();
- resizingCurtain.setClassName(CLASSNAME + "-resizingCurtain");
- }
-
- return resizingCurtain;
- }
-
- private Element createCurtain() {
- Element curtain = DOM.createDiv();
-
- curtain.getStyle().setPosition(Position.ABSOLUTE);
- curtain.getStyle().setTop(0, Unit.PX);
- curtain.getStyle().setLeft(0, Unit.PX);
- curtain.getStyle().setWidth(100, Unit.PCT);
- curtain.getStyle().setHeight(100, Unit.PCT);
- curtain.getStyle().setZIndex(VOverlay.Z_INDEX);
-
- return curtain;
- }
-
- /** For internal use only. May be removed or replaced in the future. */
- public void setResizable(boolean resizability) {
- resizable = resizability;
- if (resizability) {
- DOM.setElementProperty(footer, "className", CLASSNAME + "-footer");
- DOM.setElementProperty(resizeBox, "className",
- CLASSNAME + "-resizebox");
- } else {
- DOM.setElementProperty(footer, "className",
- CLASSNAME + "-footer " + CLASSNAME + "-footer-noresize");
- DOM.setElementProperty(resizeBox, "className", CLASSNAME
- + "-resizebox " + CLASSNAME + "-resizebox-disabled");
- }
- }
-
- public void updateMaximizeRestoreClassName(boolean visible,
- WindowMode windowMode) {
- String className;
- if (windowMode == WindowMode.MAXIMIZED) {
- className = CLASSNAME + "-restorebox";
- } else {
- className = CLASSNAME + "-maximizebox";
- }
- if (!visible) {
- className = className + " " + className + "-disabled";
- }
- maximizeRestoreBox.setClassName(className);
- }
-
- // TODO this will eventually be removed, currently used to avoid updating to
- // server side.
- public void setPopupPositionNoUpdate(int left, int top) {
- if (top < 0) {
- // ensure window is not moved out of browser window from top of the
- // screen
- top = 0;
- }
- super.setPopupPosition(left, top);
- }
-
- @Override
- public void setPopupPosition(int left, int top) {
- if (top < 0) {
- // ensure window is not moved out of browser window from top of the
- // screen
- top = 0;
- }
- super.setPopupPosition(left, top);
- if (left != uidlPositionX && client != null) {
- client.updateVariable(id, "positionx", left, false);
- uidlPositionX = left;
- }
- if (top != uidlPositionY && client != null) {
- client.updateVariable(id, "positiony", top, false);
- uidlPositionY = top;
- }
- }
-
- public void setCaption(String c) {
- setCaption(c, null);
- }
-
- public void setCaption(String c, String iconURL) {
- setCaption(c, iconURL, false);
- }
-
- public void setCaption(String c, String iconURL, boolean asHtml) {
- String html;
- if (asHtml) {
- html = c == null ? "" : c;
- } else {
- html = WidgetUtil.escapeHTML(c);
- }
- // Provide information to assistive device users that a sub window was
- // opened
- String prefix = "<span class='" + AriaHelper.ASSISTIVE_DEVICE_ONLY_STYLE
- + "'>" + assistivePrefix + "</span>";
- String postfix = "<span class='"
- + AriaHelper.ASSISTIVE_DEVICE_ONLY_STYLE + "'>"
- + assistivePostfix + "</span>";
-
- html = prefix + html + postfix;
- headerText.setInnerHTML(html);
-
- if (iconURL != null) {
- Icon icon = client.getIcon(iconURL);
- DOM.insertChild(headerText, icon.getElement(), 0);
- }
- }
-
- /**
- * Setter for the text for assistive devices the window caption is prefixed
- * with.
- *
- * @param assistivePrefix
- * the assistivePrefix to set
- */
- public void setAssistivePrefix(String assistivePrefix) {
- this.assistivePrefix = assistivePrefix;
- }
-
- /**
- * Getter for the text for assistive devices the window caption is prefixed
- * with.
- *
- * @return the assistivePrefix
- */
- public String getAssistivePrefix() {
- return assistivePrefix;
- }
-
- /**
- * Setter for the text for assistive devices the window caption is postfixed
- * with.
- *
- * @param assistivePostfix
- * the assistivePostfix to set
- */
- public void setAssistivePostfix(String assistivePostfix) {
- this.assistivePostfix = assistivePostfix;
- }
-
- /**
- * Getter for the text for assistive devices the window caption is postfixed
- * with.
- *
- * @return the assistivePostfix
- */
- public String getAssistivePostfix() {
- return assistivePostfix;
- }
-
- @Override
- protected com.google.gwt.user.client.Element getContainerElement() {
- // in GWT 1.5 this method is used in PopupPanel constructor
- if (contents == null) {
- return super.getContainerElement();
- }
- return DOM.asOld(contents);
- }
-
- private Event headerDragPending;
-
- @Override
- public void onBrowserEvent(final Event event) {
- boolean bubble = true;
-
- final int type = event.getTypeInt();
-
- final Element target = DOM.eventGetTarget(event);
-
- if (resizing || resizeBox == target) {
- onResizeEvent(event);
- bubble = false;
- } else if (isClosable() && target == closeBox) {
- if (type == Event.ONCLICK) {
- onCloseClick();
- }
- bubble = false;
- } else if (target == maximizeRestoreBox) {
- // handled in connector
- if (type != Event.ONCLICK) {
- bubble = false;
- }
- } else if (header.isOrHasChild(target) && !dragging) {
- // dblclick handled in connector
- if (type != Event.ONDBLCLICK && draggable) {
- if (type == Event.ONMOUSEDOWN || type == Event.ONTOUCHSTART) {
- /**
- * Prevents accidental selection of window caption or
- * content. (#12726)
- */
- event.preventDefault();
-
- headerDragPending = event;
- bubble = false;
- } else if (type == Event.ONMOUSEMOVE
- && headerDragPending != null) {
- // ie won't work unless this is set here
- dragging = true;
- onDragEvent(headerDragPending);
- onDragEvent(event);
- headerDragPending = null;
- bubble = false;
- } else if (type != Event.ONMOUSEMOVE) {
- // The event can propagate to the parent in case it is a
- // mouse move event. This is needed for tooltips to work in
- // header and footer, see Ticket #19073
- headerDragPending = null;
- bubble = false;
- } else {
- headerDragPending = null;
- }
- }
- if (type == Event.ONCLICK) {
- activateOnClick();
- }
- } else if (footer.isOrHasChild(target) && !dragging) {
- onDragEvent(event);
- if (type != Event.ONMOUSEMOVE) {
- // This is needed for tooltips to work in header and footer, see
- // Ticket #19073
- bubble = false;
- }
- } else if (dragging || !contents.isOrHasChild(target)) {
- onDragEvent(event);
- bubble = false;
- } else if (type == Event.ONCLICK) {
- activateOnClick();
- }
-
- /*
- * If clicking on other than the content, move focus to the window.
- * After that this windows e.g. gets all keyboard shortcuts.
- */
- if ((type == Event.ONMOUSEDOWN || type == Event.ONTOUCHSTART)
- && !contentPanel.getElement().isOrHasChild(target)
- && target != closeBox && target != maximizeRestoreBox) {
- contentPanel.focus();
- }
-
- if (!bubble) {
- event.stopPropagation();
- }
- // Super.onBrowserEvent takes care of Handlers added by the
- // ClickEventHandler
- super.onBrowserEvent(event);
- }
-
- private void activateOnClick() {
- // clicked inside window or inside header, ensure to be on top
- if (!isActive()) {
- bringToFront();
- }
- }
-
- private void onCloseClick() {
- // Send the close event to the server
- client.updateVariable(id, "close", true, true);
- }
-
- private void onResizeEvent(Event event) {
- if (resizable && WidgetUtil.isTouchEventOrLeftMouseButton(event)) {
- switch (event.getTypeInt()) {
- case Event.ONMOUSEDOWN:
- case Event.ONTOUCHSTART:
- if (!isActive()) {
- bringToFront();
- }
- showResizingCurtain();
- if (BrowserInfo.get().isIE()) {
- resizeBox.getStyle().setVisibility(Visibility.HIDDEN);
- }
- resizing = true;
- startX = WidgetUtil.getTouchOrMouseClientX(event);
- startY = WidgetUtil.getTouchOrMouseClientY(event);
- origW = getElement().getOffsetWidth();
- origH = getElement().getOffsetHeight();
- DOM.setCapture(getElement());
- event.preventDefault();
- break;
- case Event.ONMOUSEUP:
- case Event.ONTOUCHEND:
- setSize(event, true);
- case Event.ONTOUCHCANCEL:
- DOM.releaseCapture(getElement());
- case Event.ONLOSECAPTURE:
- hideResizingCurtain();
- if (BrowserInfo.get().isIE()) {
- resizeBox.getStyle().clearVisibility();
- }
- resizing = false;
- break;
- case Event.ONMOUSEMOVE:
- case Event.ONTOUCHMOVE:
- if (resizing) {
- centered = false;
- setSize(event, false);
- event.preventDefault();
- }
- break;
- default:
- event.preventDefault();
- break;
- }
- }
- }
-
- /**
- * TODO check if we need to support this with touch based devices.
- *
- * Checks if the cursor was inside the browser content area when the event
- * happened.
- *
- * @param event
- * The event to be checked
- * @return true, if the cursor is inside the browser content area
- *
- * false, otherwise
- */
- private boolean cursorInsideBrowserContentArea(Event event) {
- if (event.getClientX() < 0 || event.getClientY() < 0) {
- // Outside to the left or above
- return false;
- }
-
- if (event.getClientX() > Window.getClientWidth()
- || event.getClientY() > Window.getClientHeight()) {
- // Outside to the right or below
- return false;
- }
-
- return true;
- }
-
- private void setSize(Event event, boolean updateVariables) {
- if (!cursorInsideBrowserContentArea(event)) {
- // Only drag while cursor is inside the browser client area
- return;
- }
-
- int w = WidgetUtil.getTouchOrMouseClientX(event) - startX + origW;
- int h = WidgetUtil.getTouchOrMouseClientY(event) - startY + origH;
-
- w = Math.max(w, getMinWidth());
- h = Math.max(h, getMinHeight());
-
- setWidth(w + "px");
- setHeight(h + "px");
-
- if (updateVariables) {
- // sending width back always as pixels, no need for unit
- client.updateVariable(id, "width", w, false);
- client.updateVariable(id, "height", h, true);
- }
-
- if (updateVariables || !resizeLazy) {
- // Resize has finished or is not lazy
- updateContentsSize();
- } else {
- // Lazy resize - wait for a while before re-rendering contents
- delayedContentsSizeUpdater.trigger();
- }
- }
-
- private int getMinHeight() {
- return getPixelValue(getElement().getStyle().getProperty("minHeight"));
- }
-
- private int getMinWidth() {
- return getPixelValue(getElement().getStyle().getProperty("minWidth"));
- }
-
- private static int getPixelValue(String size) {
- if (size == null || !size.endsWith("px")) {
- return -1;
- } else {
- return Integer.parseInt(size.substring(0, size.length() - 2));
- }
- }
-
- public void updateContentsSize() {
- LayoutManager layoutManager = getLayoutManager();
- layoutManager
- .setNeedsMeasure(ConnectorMap.get(client).getConnector(this));
- layoutManager.layoutNow();
- }
-
- private native void addTransitionEndLayoutListener(Element e)
- /*-{
- var self = this;
- e.addEventListener("transitionend", function(e) {
- if (e.propertyName == "width" || e.propertyName == 'height') {
- $entry(function() {
- self.@com.vaadin.client.ui.VWindow::updateContentsSize()();
- })();
- }
- });
- }-*/;
-
- @Override
- public void setWidth(String width) {
- // Override PopupPanel which sets the width to the contents
- getElement().getStyle().setProperty("width", width);
- // Update v-has-width in case undefined window is resized
- setStyleName("v-has-width", width != null && !width.isEmpty());
- }
-
- @Override
- public void setHeight(String height) {
- // Override PopupPanel which sets the height to the contents
- getElement().getStyle().setProperty("height", height);
- // Update v-has-height in case undefined window is resized
- setStyleName("v-has-height", height != null && !height.isEmpty());
- }
-
- private void onDragEvent(Event event) {
- if (!WidgetUtil.isTouchEventOrLeftMouseButton(event)) {
- return;
- }
-
- switch (DOM.eventGetType(event)) {
- case Event.ONTOUCHSTART:
- if (event.getTouches().length() > 1) {
- return;
- }
- case Event.ONMOUSEDOWN:
- if (!isActive()) {
- bringToFront();
- }
- beginMovingWindow(event);
- break;
- case Event.ONMOUSEUP:
- case Event.ONTOUCHEND:
- case Event.ONTOUCHCANCEL:
- case Event.ONLOSECAPTURE:
- stopMovingWindow();
- break;
- case Event.ONMOUSEMOVE:
- case Event.ONTOUCHMOVE:
- moveWindow(event);
- break;
- default:
- break;
- }
- }
-
- private void moveWindow(Event event) {
- if (dragging) {
- centered = false;
- if (cursorInsideBrowserContentArea(event)) {
- // Only drag while cursor is inside the browser client area
- final int x = WidgetUtil.getTouchOrMouseClientX(event) - startX
- + origX;
- final int y = WidgetUtil.getTouchOrMouseClientY(event) - startY
- + origY;
- setPopupPosition(x, y);
- }
- DOM.eventPreventDefault(event);
- }
- }
-
- private void beginMovingWindow(Event event) {
- if (draggable) {
- showDraggingCurtain();
- dragging = true;
- startX = WidgetUtil.getTouchOrMouseClientX(event);
- startY = WidgetUtil.getTouchOrMouseClientY(event);
- origX = DOM.getAbsoluteLeft(getElement());
- origY = DOM.getAbsoluteTop(getElement());
- DOM.setCapture(getElement());
- DOM.eventPreventDefault(event);
- }
- }
-
- private void stopMovingWindow() {
- dragging = false;
- hideDraggingCurtain();
- DOM.releaseCapture(getElement());
-
- // fire move event
- fireEvent(new WindowMoveEvent(uidlPositionX, uidlPositionY));
- }
-
- @Override
- public boolean onEventPreview(Event event) {
- if (dragging) {
- onDragEvent(event);
- return false;
- } else if (resizing) {
- onResizeEvent(event);
- return false;
- }
-
- // TODO This is probably completely unnecessary as the modality curtain
- // prevents events from reaching other windows and any security check
- // must be done on the server side and not here.
- // The code here is also run many times as each VWindow has an event
- // preview but we cannot check only the current VWindow here (e.g.
- // if(isTopMost) {...}) because PopupPanel will cause all events that
- // are not cancelled here and target this window to be consume():d
- // meaning the event won't be sent to the rest of the preview handlers.
-
- if (getTopmostWindow() != null && getTopmostWindow().vaadinModality) {
- // Topmost window is modal. Cancel the event if it targets something
- // outside that window (except debug console...)
- if (DOM.getCaptureElement() != null) {
- // Allow events when capture is set
- return true;
- }
-
- final Element target = event.getEventTarget().cast();
- if (!DOM.isOrHasChild(getTopmostWindow().getElement(), target)) {
- // not within the modal window, but let's see if it's in the
- // debug window
- Widget w = WidgetUtil.findWidget(target);
- while (w != null) {
- if (w instanceof VDebugWindow) {
- return true; // allow debug-window clicks
- } else if (ConnectorMap.get(client).isConnector(w)) {
- return false;
- }
- w = w.getParent();
- }
- return false;
- }
- }
- return true;
- }
-
- @Override
- public void addStyleDependentName(String styleSuffix) {
- // VWindow's getStyleElement() does not return the same element as
- // getElement(), so we need to override this.
- setStyleName(getElement(), getStylePrimaryName() + "-" + styleSuffix,
- true);
- }
-
- @Override
- public ShortcutActionHandler getShortcutActionHandler() {
- return shortcutHandler;
- }
-
- @Override
- public void onScroll(ScrollEvent event) {
- client.updateVariable(id, "scrollTop", contentPanel.getScrollPosition(),
- false);
- client.updateVariable(id, "scrollLeft",
- contentPanel.getHorizontalScrollPosition(), false);
-
- }
-
- @Override
- public void onKeyDown(KeyDownEvent event) {
- if (vaadinModality && event.getNativeKeyCode() == KeyCodes.KEY_BACKSPACE
- && !isFocusedElementEditable()) {
- event.preventDefault();
- }
- if (shortcutHandler != null) {
- shortcutHandler
- .handleKeyboardEvent(Event.as(event.getNativeEvent()));
- return;
- }
- }
-
- @Override
- public void onBlur(BlurEvent event) {
- if (client.hasEventListeners(this, EventId.BLUR)) {
- client.updateVariable(id, EventId.BLUR, "", true);
- }
- }
-
- @Override
- public void onFocus(FocusEvent event) {
- if (client.hasEventListeners(this, EventId.FOCUS)) {
- client.updateVariable(id, EventId.FOCUS, "", true);
- }
- }
-
- @Override
- public void focus() {
- // We don't want to use contentPanel.focus() as that will use a timer in
- // Chrome/Safari and ultimately run focus events in the wrong order when
- // opening a modal window and focusing some other component at the same
- // time
- contentPanel.getElement().focus();
- }
-
- private int getDecorationHeight() {
- LayoutManager lm = getLayoutManager();
- int headerHeight = lm.getOuterHeight(header);
- int footerHeight = lm.getOuterHeight(footer);
- return headerHeight + footerHeight;
- }
-
- private LayoutManager getLayoutManager() {
- return LayoutManager.get(client);
- }
-
- private int getDecorationWidth() {
- LayoutManager layoutManager = getLayoutManager();
- return layoutManager.getOuterWidth(getElement())
- - contentPanel.getElement().getOffsetWidth();
- }
-
- /**
- * Allows to specify which connectors contain the description for the
- * window. Text contained in the widgets of the connectors will be read by
- * assistive devices when it is opened.
- * <p>
- * When the provided array is empty, an existing description is removed.
- *
- * @param connectors
- * with the connectors of the widgets to use as description
- */
- public void setAssistiveDescription(Connector[] connectors) {
- if (connectors != null) {
- assistiveConnectors = connectors;
-
- if (connectors.length == 0) {
- Roles.getDialogRole()
- .removeAriaDescribedbyProperty(getElement());
- } else {
- Id[] ids = new Id[connectors.length];
- for (int index = 0; index < connectors.length; index++) {
- if (connectors[index] == null) {
- throw new IllegalArgumentException(
- "All values in parameter description need to be non-null");
- }
-
- Element element = ((ComponentConnector) connectors[index])
- .getWidget().getElement();
- AriaHelper.ensureHasId(element);
- ids[index] = Id.of(element);
- }
-
- Roles.getDialogRole().setAriaDescribedbyProperty(getElement(),
- ids);
- }
- } else {
- throw new IllegalArgumentException(
- "Parameter description must be non-null");
- }
- }
-
- /**
- * Gets the connectors that are used as assistive description. Text
- * contained in these connectors will be read by assistive devices when the
- * window is opened.
- *
- * @return list of previously set connectors
- */
- public List<Connector> getAssistiveDescription() {
- return Collections.unmodifiableList(Arrays.asList(assistiveConnectors));
- }
-
- /**
- * Sets the WAI-ARIA role the window.
- *
- * This role defines how an assistive device handles a window. Available
- * roles are alertdialog and dialog (@see
- * <a href="http://www.w3.org/TR/2011/CR-wai-aria-20110118/roles">Roles
- * Model</a>).
- *
- * The default role is dialog.
- *
- * @param role
- * WAI-ARIA role to set for the window
- */
- public void setWaiAriaRole(WindowRole role) {
- if (role == WindowRole.ALERTDIALOG) {
- Roles.getAlertdialogRole().set(getElement());
- } else {
- Roles.getDialogRole().set(getElement());
- }
- }
-
- /**
- * Registers the handlers that prevent to leave the window using the
- * Tab-key.
- * <p>
- * The value of the parameter doTabStop is stored and used for non-modal
- * windows. For modal windows, the handlers are always registered, while
- * preserving the stored value.
- *
- * @param doTabStop
- * true to prevent leaving the window, false to allow leaving the
- * window for non modal windows
- */
- public void setTabStopEnabled(boolean doTabStop) {
- this.doTabStop = doTabStop;
-
- if (doTabStop || vaadinModality) {
- addTabBlockHandlers();
- } else {
- removeTabBlockHandlers();
- }
- }
-
- /**
- * Adds a Handler for when user moves the window.
- *
- * @since 7.1.9
- *
- * @return {@link HandlerRegistration} used to remove the handler
- */
- public HandlerRegistration addMoveHandler(WindowMoveHandler handler) {
- return addHandler(handler, WindowMoveEvent.getType());
- }
-
- /**
- * Adds a Handler for window order change event.
- *
- * @since 8.0
- *
- * @return registration object to deregister the handler
- */
- public static HandlerRegistration addWindowOrderHandler(
- WindowOrderHandler handler) {
- return WINDOW_ORDER_HANDLER.addHandler(WindowOrderEvent.getType(),
- handler);
- }
-
- /**
- * Checks if a modal window is currently open.
- *
- * @return <code>true</code> if a modal window is open, <code>false</code>
- * otherwise.
- */
- public static boolean isModalWindowOpen() {
- return Document.get().getBody()
- .hasClassName(MODAL_WINDOW_OPEN_CLASSNAME);
- }
- }
|