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- /*
- @VaadinApache2LicenseForJavaFiles@
- */
- package com.vaadin.terminal.gwt.client.ui;
-
- import java.util.ArrayList;
- import java.util.Iterator;
-
- import com.google.gwt.user.client.ui.Widget;
- import com.vaadin.terminal.gwt.client.ApplicationConnection;
- import com.vaadin.terminal.gwt.client.UIDL;
- import com.vaadin.terminal.gwt.client.VPaintableMap;
- import com.vaadin.terminal.gwt.client.VPaintableWidget;
-
- public abstract class VTabsheetBasePaintable extends
- VAbstractPaintableWidgetContainer {
-
- @Override
- public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
- getWidgetForPaintable().client = client;
-
- // Ensure correct implementation
- super.updateFromUIDL(uidl, client);
- if (!isRealUpdate(uidl)) {
- return;
- }
-
- // Update member references
- getWidgetForPaintable().id = uidl.getId();
- getWidgetForPaintable().disabled = uidl.hasAttribute("disabled");
-
- // Render content
- final UIDL tabs = uidl.getChildUIDL(0);
-
- // Paintables in the TabSheet before update
- ArrayList<Widget> oldWidgets = new ArrayList<Widget>();
- for (Iterator<Widget> iterator = getWidgetForPaintable()
- .getWidgetIterator(); iterator.hasNext();) {
- oldWidgets.add(iterator.next());
- }
-
- // Clear previous values
- getWidgetForPaintable().tabKeys.clear();
- getWidgetForPaintable().disabledTabKeys.clear();
-
- int index = 0;
- for (final Iterator<Object> it = tabs.getChildIterator(); it.hasNext();) {
- final UIDL tab = (UIDL) it.next();
- final String key = tab.getStringAttribute("key");
- final boolean selected = tab.getBooleanAttribute("selected");
- final boolean hidden = tab.getBooleanAttribute("hidden");
-
- if (tab.getBooleanAttribute("disabled")) {
- getWidgetForPaintable().disabledTabKeys.add(key);
- }
-
- getWidgetForPaintable().tabKeys.add(key);
-
- if (selected) {
- getWidgetForPaintable().activeTabIndex = index;
- }
- getWidgetForPaintable().renderTab(tab, index, selected, hidden);
- index++;
- }
-
- int tabCount = getWidgetForPaintable().getTabCount();
- while (tabCount-- > index) {
- getWidgetForPaintable().removeTab(index);
- }
-
- for (int i = 0; i < getWidgetForPaintable().getTabCount(); i++) {
- VPaintableWidget p = getWidgetForPaintable().getTab(i);
- // During the initial rendering the paintable might be null (this is
- // weird...)
- if (p != null) {
- oldWidgets.remove(p.getWidgetForPaintable());
- }
- }
-
- // Perform unregister for any paintables removed during update
- for (Iterator<Widget> iterator = oldWidgets.iterator(); iterator
- .hasNext();) {
- Widget oldWidget = iterator.next();
- VPaintableWidget oldPaintable = VPaintableMap.get(client)
- .getPaintable(oldWidget);
- if (oldWidget.isAttached()) {
- oldWidget.removeFromParent();
- }
- VPaintableMap.get(client).unregisterPaintable(oldPaintable);
- }
-
- }
-
- @Override
- public VTabsheetBase getWidgetForPaintable() {
- return (VTabsheetBase) super.getWidgetForPaintable();
- }
-
- }
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