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- /*
- @VaadinApache2LicenseForJavaFiles@
- */
-
- package com.vaadin.terminal.gwt.client.ui;
-
- import com.google.gwt.dom.client.DivElement;
- import com.google.gwt.dom.client.Document;
- import com.google.gwt.event.dom.client.TouchStartEvent;
- import com.google.gwt.event.dom.client.TouchStartHandler;
- 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.ui.SimplePanel;
- import com.vaadin.terminal.gwt.client.ApplicationConnection;
- import com.vaadin.terminal.gwt.client.Focusable;
- import com.vaadin.terminal.gwt.client.UIDL;
- import com.vaadin.terminal.gwt.client.ComponentConnector;
- import com.vaadin.terminal.gwt.client.ui.ShortcutActionHandler.ShortcutActionHandlerOwner;
-
- public class VPanel extends SimplePanel implements ShortcutActionHandlerOwner,
- Focusable {
-
- public static final String CLASSNAME = "v-panel";
-
- ApplicationConnection client;
-
- String id;
-
- final Element captionNode = DOM.createDiv();
-
- private final Element captionText = DOM.createSpan();
-
- private Icon icon;
-
- final Element bottomDecoration = DOM.createDiv();
-
- final Element contentNode = DOM.createDiv();
-
- private Element errorIndicatorElement;
-
- ComponentConnector layout;
-
- ShortcutActionHandler shortcutHandler;
-
- private String width = "";
-
- int scrollTop;
-
- int scrollLeft;
-
- private TouchScrollDelegate touchScrollDelegate;
-
- public VPanel() {
- super();
- DivElement captionWrap = Document.get().createDivElement();
- captionWrap.appendChild(captionNode);
- captionNode.appendChild(captionText);
-
- captionWrap.setClassName(CLASSNAME + "-captionwrap");
- captionNode.setClassName(CLASSNAME + "-caption");
- contentNode.setClassName(CLASSNAME + "-content");
- bottomDecoration.setClassName(CLASSNAME + "-deco");
-
- getElement().appendChild(captionWrap);
-
- /*
- * Make contentNode focusable only by using the setFocus() method. This
- * behaviour can be changed by invoking setTabIndex() in the serverside
- * implementation
- */
- contentNode.setTabIndex(-1);
-
- getElement().appendChild(contentNode);
-
- getElement().appendChild(bottomDecoration);
- setStyleName(CLASSNAME);
- DOM.sinkEvents(getElement(), Event.ONKEYDOWN);
- DOM.sinkEvents(contentNode, Event.ONSCROLL | Event.TOUCHEVENTS);
- getElement().getStyle().setProperty("overflow", "hidden");
- addHandler(new TouchStartHandler() {
- public void onTouchStart(TouchStartEvent event) {
- getTouchScrollDelegate().onTouchStart(event);
- }
- }, TouchStartEvent.getType());
- }
-
- /**
- * Sets the keyboard focus on the Panel
- *
- * @param focus
- * Should the panel have focus or not.
- */
- public void setFocus(boolean focus) {
- if (focus) {
- getContainerElement().focus();
- } else {
- getContainerElement().blur();
- }
- }
-
- /*
- * (non-Javadoc)
- *
- * @see com.vaadin.terminal.gwt.client.Focusable#focus()
- */
- public void focus() {
- setFocus(true);
-
- }
-
- @Override
- protected Element getContainerElement() {
- return contentNode;
- }
-
- void setCaption(String text) {
- DOM.setInnerHTML(captionText, text);
- }
-
- void handleError(UIDL uidl) {
- if (uidl.hasAttribute("error")) {
- if (errorIndicatorElement == null) {
- errorIndicatorElement = DOM.createSpan();
- DOM.setElementProperty(errorIndicatorElement, "className",
- "v-errorindicator");
- DOM.sinkEvents(errorIndicatorElement, Event.MOUSEEVENTS);
- sinkEvents(Event.MOUSEEVENTS);
- }
- DOM.insertBefore(captionNode, errorIndicatorElement, captionText);
- } else if (errorIndicatorElement != null) {
- DOM.removeChild(captionNode, errorIndicatorElement);
- errorIndicatorElement = null;
- }
- }
-
- void setIconUri(UIDL uidl, ApplicationConnection client) {
- final String iconUri = uidl
- .hasAttribute(AbstractComponentConnector.ATTRIBUTE_ICON) ? uidl
- .getStringAttribute(AbstractComponentConnector.ATTRIBUTE_ICON)
- : null;
- if (iconUri == null) {
- if (icon != null) {
- DOM.removeChild(captionNode, icon.getElement());
- icon = null;
- }
- } else {
- if (icon == null) {
- icon = new Icon(client);
- DOM.insertChild(captionNode, icon.getElement(), 0);
- }
- icon.setUri(iconUri);
- }
- }
-
- @Override
- public void onBrowserEvent(Event event) {
- super.onBrowserEvent(event);
-
- final Element target = DOM.eventGetTarget(event);
- final int type = DOM.eventGetType(event);
- if (type == Event.ONKEYDOWN && shortcutHandler != null) {
- shortcutHandler.handleKeyboardEvent(event);
- return;
- }
- if (type == Event.ONSCROLL) {
- int newscrollTop = DOM.getElementPropertyInt(contentNode,
- "scrollTop");
- int newscrollLeft = DOM.getElementPropertyInt(contentNode,
- "scrollLeft");
- if (client != null
- && (newscrollLeft != scrollLeft || newscrollTop != scrollTop)) {
- scrollLeft = newscrollLeft;
- scrollTop = newscrollTop;
- client.updateVariable(id, "scrollTop", scrollTop, false);
- client.updateVariable(id, "scrollLeft", scrollLeft, false);
- }
- } else if (captionNode.isOrHasChild(target)) {
- if (client != null) {
- client.handleTooltipEvent(event, this);
- }
- }
- }
-
- protected TouchScrollDelegate getTouchScrollDelegate() {
- if (touchScrollDelegate == null) {
- touchScrollDelegate = new TouchScrollDelegate(contentNode);
- }
- return touchScrollDelegate;
-
- }
-
- public ShortcutActionHandler getShortcutActionHandler() {
- return shortcutHandler;
- }
-
- }
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