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- /*
- * Copyright 2011 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.window;
-
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.dom.client.NativeEvent;
- import com.google.gwt.dom.client.Style;
- import com.google.gwt.dom.client.Style.Position;
- import com.google.gwt.dom.client.Style.Unit;
- import com.google.gwt.user.client.DOM;
- import com.google.gwt.user.client.Event;
- 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.ConnectorHierarchyChangeEvent;
- import com.vaadin.client.LayoutManager;
- import com.vaadin.client.Paintable;
- import com.vaadin.client.UIDL;
- import com.vaadin.client.communication.RpcProxy;
- import com.vaadin.client.ui.AbstractComponentContainerConnector;
- import com.vaadin.client.ui.ClickEventHandler;
- import com.vaadin.client.ui.PostLayoutListener;
- import com.vaadin.client.ui.ShortcutActionHandler;
- import com.vaadin.client.ui.SimpleManagedLayout;
- import com.vaadin.client.ui.ShortcutActionHandler.BeforeShortcutActionListener;
- import com.vaadin.client.ui.layout.MayScrollChildren;
- import com.vaadin.shared.MouseEventDetails;
- import com.vaadin.shared.ui.Connect;
- import com.vaadin.shared.ui.window.WindowServerRpc;
- import com.vaadin.shared.ui.window.WindowState;
-
- @Connect(value = com.vaadin.ui.Window.class)
- public class WindowConnector extends AbstractComponentContainerConnector
- implements Paintable, BeforeShortcutActionListener,
- SimpleManagedLayout, PostLayoutListener, MayScrollChildren {
-
- private ClickEventHandler clickEventHandler = new ClickEventHandler(this) {
- @Override
- protected void fireClick(NativeEvent event,
- MouseEventDetails mouseDetails) {
- rpc.click(mouseDetails);
- }
- };
-
- private WindowServerRpc rpc;
-
- boolean minWidthChecked = false;
-
- @Override
- public boolean delegateCaptionHandling() {
- return false;
- };
-
- @Override
- protected void init() {
- super.init();
- rpc = RpcProxy.create(WindowServerRpc.class, this);
-
- getLayoutManager().registerDependency(this,
- getWidget().contentPanel.getElement());
- getLayoutManager().registerDependency(this, getWidget().header);
- getLayoutManager().registerDependency(this, getWidget().footer);
- }
-
- @Override
- public void onUnregister() {
- LayoutManager lm = getLayoutManager();
- VWindow window = getWidget();
- lm.unregisterDependency(this, window.contentPanel.getElement());
- lm.unregisterDependency(this, window.header);
- lm.unregisterDependency(this, window.footer);
- }
-
- @Override
- public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
- getWidget().id = getConnectorId();
- getWidget().client = client;
-
- // Workaround needed for Testing Tools (GWT generates window DOM
- // slightly different in different browsers).
- DOM.setElementProperty(getWidget().closeBox, "id", getConnectorId()
- + "_window_close");
-
- if (isRealUpdate(uidl)) {
- if (getState().isModal() != getWidget().vaadinModality) {
- getWidget().setVaadinModality(!getWidget().vaadinModality);
- }
- if (!getWidget().isAttached()) {
- getWidget().setVisible(false); // hide until
- // possible centering
- getWidget().show();
- }
- if (getState().isResizable() != getWidget().resizable) {
- getWidget().setResizable(getState().isResizable());
- }
- getWidget().resizeLazy = getState().isResizeLazy();
-
- getWidget().setDraggable(getState().isDraggable());
-
- // Caption must be set before required header size is measured. If
- // the caption attribute is missing the caption should be cleared.
- String iconURL = null;
- if (getIcon() != null) {
- iconURL = getIcon();
- }
- getWidget().setCaption(getState().getCaption(), iconURL);
- }
-
- getWidget().visibilityChangesDisabled = true;
- if (!isRealUpdate(uidl)) {
- return;
- }
- getWidget().visibilityChangesDisabled = false;
-
- clickEventHandler.handleEventHandlerRegistration();
-
- getWidget().immediate = getState().isImmediate();
-
- getWidget().setClosable(!isReadOnly());
-
- // Initialize the position form UIDL
- int positionx = getState().getPositionX();
- int positiony = getState().getPositionY();
- if (positionx >= 0 || positiony >= 0) {
- if (positionx < 0) {
- positionx = 0;
- }
- if (positiony < 0) {
- positiony = 0;
- }
- getWidget().setPopupPosition(positionx, positiony);
- }
-
- int childIndex = 0;
-
- // we may have actions
- for (int i = 0; i < uidl.getChildCount(); i++) {
- UIDL childUidl = uidl.getChildUIDL(i);
- if (childUidl.getTag().equals("actions")) {
- if (getWidget().shortcutHandler == null) {
- getWidget().shortcutHandler = new ShortcutActionHandler(
- getConnectorId(), client);
- }
- getWidget().shortcutHandler.updateActionMap(childUidl);
- }
-
- }
-
- // setting scrollposition must happen after children is rendered
- getWidget().contentPanel.setScrollPosition(getState().getScrollTop());
- getWidget().contentPanel.setHorizontalScrollPosition(getState()
- .getScrollLeft());
-
- // Center this window on screen if requested
- // This had to be here because we might not know the content size before
- // everything is painted into the window
-
- // centered is this is unset on move/resize
- getWidget().centered = getState().isCentered();
- getWidget().setVisible(true);
-
- // ensure window is not larger than browser window
- if (getWidget().getOffsetWidth() > Window.getClientWidth()) {
- getWidget().setWidth(Window.getClientWidth() + "px");
- }
- if (getWidget().getOffsetHeight() > Window.getClientHeight()) {
- getWidget().setHeight(Window.getClientHeight() + "px");
- }
-
- if (uidl.hasAttribute("bringToFront")) {
- /*
- * Focus as a side-effect. Will be overridden by
- * ApplicationConnection if another component was focused by the
- * server side.
- */
- getWidget().contentPanel.focus();
- getWidget().bringToFrontSequence = uidl
- .getIntAttribute("bringToFront");
- VWindow.deferOrdering();
- }
- }
-
- @Override
- public void updateCaption(ComponentConnector component) {
- // NOP, window has own caption, layout caption not rendered
- }
-
- @Override
- public void onBeforeShortcutAction(Event e) {
- // NOP, nothing to update just avoid workaround ( causes excess
- // blur/focus )
- }
-
- @Override
- public VWindow getWidget() {
- return (VWindow) super.getWidget();
- }
-
- @Override
- public void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent event) {
- super.onConnectorHierarchyChange(event);
-
- // We always have 1 child, unless the child is hidden
- Widget newChildWidget = null;
- ComponentConnector newChild = null;
- if (getChildComponents().size() == 1) {
- newChild = getChildComponents().get(0);
- newChildWidget = newChild.getWidget();
- }
-
- getWidget().layout = newChild;
- getWidget().contentPanel.setWidget(newChildWidget);
- }
-
- @Override
- public void layout() {
- LayoutManager lm = getLayoutManager();
- VWindow window = getWidget();
- ComponentConnector layout = window.layout;
- Element contentElement = window.contentPanel.getElement();
-
- if (!minWidthChecked) {
- boolean needsMinWidth = !isUndefinedWidth()
- || layout.isRelativeWidth();
- int minWidth = window.getMinWidth();
- if (needsMinWidth && lm.getInnerWidth(contentElement) < minWidth) {
- minWidthChecked = true;
- // Use minimum width if less than a certain size
- window.setWidth(minWidth + "px");
- }
- minWidthChecked = true;
- }
-
- boolean needsMinHeight = !isUndefinedHeight()
- || layout.isRelativeHeight();
- int minHeight = window.getMinHeight();
- if (needsMinHeight && lm.getInnerHeight(contentElement) < minHeight) {
- // Use minimum height if less than a certain size
- window.setHeight(minHeight + "px");
- }
-
- Style contentStyle = window.contents.getStyle();
-
- int headerHeight = lm.getOuterHeight(window.header);
- contentStyle.setPaddingTop(headerHeight, Unit.PX);
- contentStyle.setMarginTop(-headerHeight, Unit.PX);
-
- int footerHeight = lm.getOuterHeight(window.footer);
- contentStyle.setPaddingBottom(footerHeight, Unit.PX);
- contentStyle.setMarginBottom(-footerHeight, Unit.PX);
-
- /*
- * Must set absolute position if the child has relative height and
- * there's a chance of horizontal scrolling as some browsers will
- * otherwise not take the scrollbar into account when calculating the
- * height.
- */
- Element layoutElement = layout.getWidget().getElement();
- Style childStyle = layoutElement.getStyle();
- if (layout.isRelativeHeight() && !BrowserInfo.get().isIE9()) {
- childStyle.setPosition(Position.ABSOLUTE);
-
- Style wrapperStyle = contentElement.getStyle();
- if (window.getElement().getStyle().getWidth().length() == 0
- && !layout.isRelativeWidth()) {
- /*
- * Need to lock width to make undefined width work even with
- * absolute positioning
- */
- int contentWidth = lm.getOuterWidth(layoutElement);
- wrapperStyle.setWidth(contentWidth, Unit.PX);
- } else {
- wrapperStyle.clearWidth();
- }
- } else {
- childStyle.clearPosition();
- }
- }
-
- @Override
- public void postLayout() {
- minWidthChecked = false;
- VWindow window = getWidget();
- if (window.centered) {
- window.center();
- }
- window.positionOrSizeUpdated();
- }
-
- @Override
- public WindowState getState() {
- return (WindowState) super.getState();
- }
-
- /**
- * Gives the WindowConnector an order number. As a side effect, moves the
- * window according to its order number so the windows are stacked. This
- * method should be called for each window in the order they should appear.
- */
- public void setWindowOrderAndPosition() {
- getWidget().setWindowOrderAndPosition();
- }
- }
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