/*
* Copyright (c) 2010, grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.jowidgets.impl.toolkit;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.jowidgets.api.controller.IDisposeListener;
import org.jowidgets.api.toolkit.Toolkit;
import org.jowidgets.api.widgets.IWindow;
import org.jowidgets.api.widgets.blueprint.IFrameBluePrint;
import org.jowidgets.common.widgets.IWidgetCommon;
import org.jowidgets.common.widgets.factory.IGenericWidgetFactory;
import org.jowidgets.common.widgets.factory.IWidgetFactoryListener;
import org.jowidgets.impl.widgets.basic.FrameImpl;
import org.jowidgets.spi.IWidgetsServiceProvider;
import org.jowidgets.spi.widgets.IFrameWrapperSpi;
import org.jowidgets.spi.widgets.controller.IDisposeListenerSpi;
public class WindowProvider {
private final IGenericWidgetFactory genericWidgetFactory;
private final IWidgetsServiceProvider widgetsServiceProvider;
private final Map<Object, IWindow> uiReferenceToWindow;
public WindowProvider(
final IGenericWidgetFactory genericWidgetFactory,
final IWidgetsServiceProvider widgetsServiceProvider) {
this.genericWidgetFactory = genericWidgetFactory;
this.uiReferenceToWindow = new HashMap<Object, IWindow>();
this.widgetsServiceProvider = widgetsServiceProvider;
genericWidgetFactory.addWidgetFactoryListener(new IWidgetFactoryListener() {
@Override
public void widgetCreated(final IWidgetCommon widget) {
if (widget instanceof IWindow) {
final IWindow windowWidget = (IWindow) widget;
//If a WindowWidget wraps another WindowWidget it will be assumed,
//that the newer window wraps the previous window with the same ui reference.
//From now, the wrapping window will returned for the active window
final Object uiReference = windowWidget.getUiReference();
uiReferenceToWindow.put(uiReference, windowWidget);
windowWidget.addDisposeListener(new IDisposeListener() {
@Override
public void onDispose() {
uiReferenceToWindow.remove(uiReference);
}
});
}
}
});
}
public IWindow getActiveWindow() {
final Object activeWindowUiReference = widgetsServiceProvider.getActiveWindowUiReference();
IWindow activeWindow = uiReferenceToWindow.get(widgetsServiceProvider.getActiveWindowUiReference());
//maybe window would be created without jo-widgets, so create a wrapper, if possible
if (activeWindowUiReference != null && activeWindow == null) {
activeWindow = createWrapper(activeWindowUiReference);
}
return activeWindow;
}
public List<IWindow> getAllWindows() {
final List<IWindow> result = new LinkedList<IWindow>();
for (final Object uiRef : widgetsServiceProvider.getAllWindowsUiReference()) {
IWindow window = uiReferenceToWindow.get(uiRef);
if (window == null) {
window = createWrapper(uiRef);
}
if (window != null) {
result.add(window);
}
}
return result;
}
private IWindow createWrapper(final Object uiRef) {
if (widgetsServiceProvider.getWidgetFactory().isConvertibleToFrame(uiRef)) {
final IFrameBluePrint bp = Toolkit.getBluePrintFactory().frame().autoCenterOff();
final IFrameWrapperSpi frameSpi = widgetsServiceProvider.getWidgetFactory().createFrame(genericWidgetFactory, uiRef);
final IWindow result = new FrameImpl(frameSpi, bp, true);
//register the created frame to avoid a new creation for every call of this method
uiReferenceToWindow.put(uiRef, result);
frameSpi.addDisposeListener(new IDisposeListenerSpi() {
@Override
public void afterDispose() {
if (!result.isDisposed()) {
result.dispose();
}
uiReferenceToWindow.remove(uiRef);
}
});
return result;
}
return null;
}
}