--- /dev/null
+/*
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.ui.window;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+
+import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.core.client.Scheduler.ScheduledCommand;
+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.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.user.client.Command;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Element;
+import com.google.gwt.user.client.Event;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.ui.HasWidgets;
+import com.google.gwt.user.client.ui.RootPanel;
+import com.google.gwt.user.client.ui.Widget;
+import com.vaadin.terminal.gwt.client.ApplicationConnection;
+import com.vaadin.terminal.gwt.client.BrowserInfo;
+import com.vaadin.terminal.gwt.client.ComponentConnector;
+import com.vaadin.terminal.gwt.client.ConnectorMap;
+import com.vaadin.terminal.gwt.client.Console;
+import com.vaadin.terminal.gwt.client.EventId;
+import com.vaadin.terminal.gwt.client.Focusable;
+import com.vaadin.terminal.gwt.client.LayoutManager;
+import com.vaadin.terminal.gwt.client.Util;
+import com.vaadin.terminal.gwt.client.ui.FocusableScrollPanel;
+import com.vaadin.terminal.gwt.client.ui.ShortcutActionHandler;
+import com.vaadin.terminal.gwt.client.ui.ShortcutActionHandler.ShortcutActionHandlerOwner;
+import com.vaadin.terminal.gwt.client.ui.VLazyExecutor;
+import com.vaadin.terminal.gwt.client.ui.VOverlay;
+
+/**
+ * "Sub window" component.
+ *
+ * @author Vaadin Ltd
+ */
+public class VWindow extends VOverlay implements ShortcutActionHandlerOwner,
+ ScrollHandler, KeyDownHandler, FocusHandler, BlurHandler, Focusable {
+
+ /**
+ * Minimum allowed height of a window. This refers to the content area, not
+ * the outer borders.
+ */
+ private static final int MIN_CONTENT_AREA_HEIGHT = 100;
+
+ /**
+ * Minimum allowed width of a window. This refers to the content area, not
+ * the outer borders.
+ */
+ private static final int MIN_CONTENT_AREA_WIDTH = 150;
+
+ private static ArrayList<VWindow> windowOrder = new ArrayList<VWindow>();
+
+ private static boolean orderingDefered;
+
+ public static final String CLASSNAME = "v-window";
+
+ private static final int STACKING_OFFSET_PIXELS = 15;
+
+ public static final int Z_INDEX = 10000;
+
+ ComponentConnector layout;
+
+ Element contents;
+
+ Element header;
+
+ Element footer;
+
+ private Element resizeBox;
+
+ 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;
+
+ Element closeBox;
+
+ protected ApplicationConnection client;
+
+ String id;
+
+ 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;
+
+ boolean vaadinModality = false;
+
+ boolean resizable = true;
+
+ private boolean draggable = true;
+
+ boolean resizeLazy = false;
+
+ private Element modalityCurtain;
+ private Element draggingCurtain;
+ private Element resizingCurtain;
+
+ private Element headerText;
+
+ private boolean closable = true;
+
+ // 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.
+ boolean centered = false;
+
+ boolean immediate;
+
+ private Element wrapper;
+
+ boolean visibilityChangesDisabled;
+
+ int bringToFrontSequence = -1;
+
+ private VLazyExecutor delayedContentsSizeUpdater = new VLazyExecutor(200,
+ new ScheduledCommand() {
+
+ public void execute() {
+ updateContentsSize();
+ }
+ });
+
+ public VWindow() {
+ super(false, false, true); // no autohide, not modal, shadow
+ // Different style of shadow for windows
+ setShadowStyle("window");
+
+ constructDOM();
+ contentPanel.addScrollHandler(this);
+ contentPanel.addKeyDownHandler(this);
+ contentPanel.addFocusHandler(this);
+ contentPanel.addBlurHandler(this);
++
++ TouchScrollDelegate.enableTouchScrolling(this, getContainerElement()
++ .getFirstChildElement());
+ }
+
+ public void bringToFront() {
+ int curIndex = windowOrder.indexOf(this);
+ if (curIndex + 1 < windowOrder.size()) {
+ windowOrder.remove(this);
+ windowOrder.add(this);
+ for (; curIndex < windowOrder.size(); curIndex++) {
+ windowOrder.get(curIndex).setWindowOrder(curIndex);
+ }
+ }
+ }
+
+ /**
+ * Returns true if this window is the topmost VWindow
+ *
+ * @return
+ */
+ private boolean isActive() {
+ return equals(getTopmostWindow());
+ }
+
+ private static VWindow getTopmostWindow() {
+ return windowOrder.get(windowOrder.size() - 1);
+ }
+
+ 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);
+
+ }
+
+ private void setWindowOrder(int order) {
+ setZIndex(order + Z_INDEX);
+ }
+
+ @Override
+ protected void setZIndex(int zIndex) {
+ super.setZIndex(zIndex);
+ if (vaadinModality) {
+ DOM.setStyleAttribute(getModalityCurtain(), "zIndex", "" + zIndex);
+ }
+ }
+
+ protected Element getModalityCurtain() {
+ if (modalityCurtain == null) {
+ modalityCurtain = DOM.createDiv();
+ modalityCurtain.setClassName(CLASSNAME + "-modalitycurtain");
+ }
+ return modalityCurtain;
+ }
+
+ protected void constructDOM() {
+ setStyleName(CLASSNAME);
+
+ 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();
+ DOM.setElementProperty(closeBox, "className", CLASSNAME + "-closebox");
+ DOM.appendChild(footer, resizeBox);
+
+ wrapper = DOM.createDiv();
+ DOM.setElementProperty(wrapper, "className", CLASSNAME + "-wrap");
+
+ DOM.appendChild(wrapper, header);
+ DOM.appendChild(wrapper, closeBox);
+ DOM.appendChild(header, headerText);
+ DOM.appendChild(wrapper, contents);
+ DOM.appendChild(wrapper, footer);
+ DOM.appendChild(super.getContainerElement(), wrapper);
+
+ sinkEvents(Event.MOUSEEVENTS | Event.TOUCHEVENTS | Event.ONCLICK
+ | Event.ONLOSECAPTURE);
+
+ setWidget(contentPanel);
+
+ }
+
+ /**
+ * Calling this method will defer ordering algorithm, to order windows based
+ * on servers bringToFront and modality instructions. Non changed windows
+ * will be left intact.
+ */
+ static void deferOrdering() {
+ if (!orderingDefered) {
+ orderingDefered = true;
+ Scheduler.get().scheduleFinally(new Command() {
+ 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>() {
+ 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 (int i = 0; i < array.length; i++) {
+ VWindow w = array[i];
+ if (w.bringToFrontSequence != -1 || w.vaadinModality) {
+ w.bringToFront();
+ w.bringToFrontSequence = -1;
+ }
+ }
+ }
+
+ @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);
+ }
+ }
+
+ 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
+ */
+ protected void setClosable(boolean closable) {
+ if (this.closable == closable) {
+ return;
+ }
+
+ this.closable = closable;
+ if (closable) {
+ DOM.setStyleAttribute(closeBox, "display", "");
+ } else {
+ DOM.setStyleAttribute(closeBox, "display", "none");
+ }
+
+ }
+
+ /**
+ * 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();
+ }
+ super.hide();
+
+ // Remove window from windowOrder to avoid references being left
+ // hanging.
+ windowOrder.remove(this);
+ }
+
+ void setVaadinModality(boolean modality) {
+ vaadinModality = modality;
+ if (vaadinModality) {
+ if (isAttached()) {
+ showModalityCurtain();
+ }
+ deferOrdering();
+ } else {
+ if (modalityCurtain != null) {
+ if (isAttached()) {
+ hideModalityCurtain();
+ }
+ modalityCurtain = null;
+ }
+ }
+ }
+
+ private void showModalityCurtain() {
+ DOM.setStyleAttribute(getModalityCurtain(), "zIndex",
+ "" + (windowOrder.indexOf(this) + Z_INDEX));
+ if (isShowing()) {
+ RootPanel.getBodyElement().insertBefore(getModalityCurtain(),
+ getElement());
+ } else {
+ DOM.appendChild(RootPanel.getBodyElement(), getModalityCurtain());
+ }
+ }
+
+ private void hideModalityCurtain() {
+ DOM.removeChild(RootPanel.getBodyElement(), modalityCurtain);
+ }
+
+ /*
+ * Shows an empty div on top of all other content; used when moving, so that
+ * iframes (etc) do not steal event.
+ */
+ private void showDraggingCurtain() {
+ DOM.appendChild(RootPanel.getBodyElement(), getDraggingCurtain());
+ }
+
+ private void hideDraggingCurtain() {
+ if (draggingCurtain != null) {
+ DOM.removeChild(RootPanel.getBodyElement(), draggingCurtain);
+ }
+ }
+
+ /*
+ * Shows an empty div on top of all other content; used when resizing, so
+ * that iframes (etc) do not steal event.
+ */
+ private void showResizingCurtain() {
+ DOM.appendChild(RootPanel.getBodyElement(), getResizingCurtain());
+ }
+
+ private void hideResizingCurtain() {
+ if (resizingCurtain != null) {
+ DOM.removeChild(RootPanel.getBodyElement(), resizingCurtain);
+ }
+ }
+
+ 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();
+
+ DOM.setStyleAttribute(curtain, "position", "absolute");
+ DOM.setStyleAttribute(curtain, "top", "0px");
+ DOM.setStyleAttribute(curtain, "left", "0px");
+ DOM.setStyleAttribute(curtain, "width", "100%");
+ DOM.setStyleAttribute(curtain, "height", "100%");
+ DOM.setStyleAttribute(curtain, "zIndex", "" + VOverlay.Z_INDEX);
+
+ return curtain;
+ }
+
+ 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");
+ }
+ }
+
+ @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 icon) {
+ String html = Util.escapeHTML(c);
+ if (icon != null) {
+ icon = client.translateVaadinUri(icon);
+ html = "<img src=\"" + Util.escapeAttribute(icon)
+ + "\" class=\"v-icon\" />" + html;
+ }
+ DOM.setInnerHTML(headerText, html);
+ }
+
+ @Override
+ protected Element getContainerElement() {
+ // in GWT 1.5 this method is used in PopupPanel constructor
+ if (contents == null) {
+ return super.getContainerElement();
+ }
+ return contents;
+ }
+
+ @Override
+ public void onBrowserEvent(final Event event) {
+ boolean bubble = true;
+
+ final int type = event.getTypeInt();
+
+ final Element target = DOM.eventGetTarget(event);
+
+ if (client != null && header.isOrHasChild(target)) {
+ // Handle window caption tooltips
+ client.handleTooltipEvent(event, this);
+ }
+
+ if (resizing || resizeBox == target) {
+ onResizeEvent(event);
+ bubble = false;
+ } else if (isClosable() && target == closeBox) {
+ if (type == Event.ONCLICK) {
+ onCloseClick();
+ }
+ bubble = false;
+ } else if (dragging || !contents.isOrHasChild(target)) {
+ onDragEvent(event);
+ bubble = false;
+ } else if (type == Event.ONCLICK) {
+ // clicked inside window, ensure to be on top
+ if (!isActive()) {
+ bringToFront();
+ }
+ }
+
+ /*
+ * 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
+ && !contentPanel.getElement().isOrHasChild(target)
+ && target != closeBox) {
+ contentPanel.focus();
+ }
+
+ if (!bubble) {
+ event.stopPropagation();
+ } else {
+ // Super.onBrowserEvent takes care of Handlers added by the
+ // ClickEventHandler
+ super.onBrowserEvent(event);
+ }
+ }
+
+ private void onCloseClick() {
+ client.updateVariable(id, "close", true, true);
+ }
+
+ private void onResizeEvent(Event event) {
+ if (resizable && Util.isTouchEventOrLeftMouseButton(event)) {
+ switch (event.getTypeInt()) {
+ case Event.ONMOUSEDOWN:
+ case Event.ONTOUCHSTART:
+ if (!isActive()) {
+ bringToFront();
+ }
+ showResizingCurtain();
+ if (BrowserInfo.get().isIE()) {
+ DOM.setStyleAttribute(resizeBox, "visibility", "hidden");
+ }
+ resizing = true;
+ startX = Util.getTouchOrMouseClientX(event);
+ startY = Util.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()) {
+ DOM.setStyleAttribute(resizeBox, "visibility", "");
+ }
+ 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 = Util.getTouchOrMouseClientX(event) - startX + origW;
+ int minWidth = getMinWidth();
+ if (w < minWidth) {
+ w = minWidth;
+ }
+
+ int h = Util.getTouchOrMouseClientY(event) - startY + origH;
+ int minHeight = getMinHeight();
+ if (h < minHeight) {
+ h = minHeight;
+ }
+
+ 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, immediate);
+ }
+
+ 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 void updateContentsSize() {
+ // Update child widget dimensions
+ if (client != null) {
+ client.handleComponentRelativeSize(layout.getWidget());
+ client.runDescendentsLayout((HasWidgets) layout.getWidget());
+ }
+
+ LayoutManager layoutManager = LayoutManager.get(client);
+ layoutManager.setNeedsMeasure(ConnectorMap.get(client).getConnector(
+ this));
+ layoutManager.layoutNow();
+ }
+
+ @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.length() > 0);
+ }
+
+ @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.length() > 0);
+ }
+
+ private void onDragEvent(Event event) {
+ if (!Util.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 = Util.getTouchOrMouseClientX(event) - startX
+ + origX;
+ final int y = Util.getTouchOrMouseClientY(event) - startY
+ + origY;
+ setPopupPosition(x, y);
+ }
+ DOM.eventPreventDefault(event);
+ }
+ }
+
+ private void beginMovingWindow(Event event) {
+ if (draggable) {
+ showDraggingCurtain();
+ dragging = true;
+ startX = Util.getTouchOrMouseClientX(event);
+ startY = Util.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());
+ }
+
+ @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().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 = Util.findWidget(target, null);
+ while (w != null) {
+ if (w instanceof Console) {
+ 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);
+ }
+
+ public ShortcutActionHandler getShortcutActionHandler() {
+ return shortcutHandler;
+ }
+
+ public void onScroll(ScrollEvent event) {
+ client.updateVariable(id, "scrollTop",
+ contentPanel.getScrollPosition(), false);
+ client.updateVariable(id, "scrollLeft",
+ contentPanel.getHorizontalScrollPosition(), false);
+
+ }
+
+ public void onKeyDown(KeyDownEvent event) {
+ if (shortcutHandler != null) {
+ shortcutHandler
+ .handleKeyboardEvent(Event.as(event.getNativeEvent()));
+ return;
+ }
+ }
+
+ public void onBlur(BlurEvent event) {
+ if (client.hasEventListeners(this, EventId.BLUR)) {
+ client.updateVariable(id, EventId.BLUR, "", true);
+ }
+ }
+
+ public void onFocus(FocusEvent event) {
+ if (client.hasEventListeners(this, EventId.FOCUS)) {
+ client.updateVariable(id, EventId.FOCUS, "", true);
+ }
+ }
+
+ public void focus() {
+ contentPanel.focus();
+ }
+
+ public int getMinHeight() {
+ return MIN_CONTENT_AREA_HEIGHT + getDecorationHeight();
+ }
+
+ private int getDecorationHeight() {
+ LayoutManager lm = layout.getLayoutManager();
+ int headerHeight = lm.getOuterHeight(header);
+ int footerHeight = lm.getOuterHeight(footer);
+ return headerHeight + footerHeight;
+ }
+
+ public int getMinWidth() {
+ return MIN_CONTENT_AREA_WIDTH + getDecorationWidth();
+ }
+
+ private int getDecorationWidth() {
+ LayoutManager layoutManager = layout.getLayoutManager();
+ return layoutManager.getOuterWidth(getElement())
+ - contentPanel.getElement().getOffsetWidth();
+ }
+
+}
projects / vaadin-framework.git / commitdiff