/*
* 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.widgets.common.wrapper;
import java.util.LinkedHashSet;
import java.util.Set;
import org.jowidgets.api.controller.IParentListener;
import org.jowidgets.api.controller.IShowingStateListener;
import org.jowidgets.api.model.item.IMenuModel;
import org.jowidgets.api.toolkit.Toolkit;
import org.jowidgets.api.widgets.IComponent;
import org.jowidgets.api.widgets.IContainer;
import org.jowidgets.api.widgets.IControl;
import org.jowidgets.api.widgets.IPopupMenu;
import org.jowidgets.api.widgets.IWidget;
import org.jowidgets.common.color.IColorConstant;
import org.jowidgets.common.types.Cursor;
import org.jowidgets.common.types.Dimension;
import org.jowidgets.common.types.Position;
import org.jowidgets.common.types.Rectangle;
import org.jowidgets.common.widgets.IComponentCommon;
import org.jowidgets.common.widgets.controller.IComponentListener;
import org.jowidgets.common.widgets.controller.IFocusListener;
import org.jowidgets.common.widgets.controller.IKeyListener;
import org.jowidgets.common.widgets.controller.IMouseListener;
import org.jowidgets.common.widgets.controller.IMouseMotionListener;
import org.jowidgets.common.widgets.controller.IPopupDetectionListener;
import org.jowidgets.spi.widgets.IComponentSpi;
import org.jowidgets.tools.controller.ShowingStateObservable;
import org.jowidgets.util.NullCompatibleEquivalence;
public abstract class AbstractComponentSpiWrapper extends WidgetSpiWrapper implements IComponentCommon {
private final IPopupDetectionListener popupListener;
private final Set<IFocusListener> focusListeners;
private final ShowingStateListener showingStateListener;
private ShowingStateObservable showingStateObservableLazy;
private IMenuModel popupMenuModel;
private IPopupMenu popupMenu;
private boolean hasFocus;
public AbstractComponentSpiWrapper(final IComponentSpi component) {
super(component);
this.showingStateListener = new ShowingStateListener();
this.focusListeners = new LinkedHashSet<IFocusListener>();
this.popupListener = new IPopupDetectionListener() {
@Override
public void popupDetected(final Position position) {
if (popupMenuModel != null) {
if (popupMenu == null) {
popupMenu = createPopupMenu();
}
if (popupMenu.getModel() != popupMenuModel) {
popupMenu.setModel(popupMenuModel);
}
popupMenu.show(position);
}
}
};
component.addFocusListener(new IFocusListener() {
@Override
public void focusLost() {
hasFocus = false;
for (final IFocusListener focusListener : focusListeners) {
focusListener.focusLost();
}
}
@Override
public void focusGained() {
hasFocus = true;
for (final IFocusListener focusListener : focusListeners) {
focusListener.focusGained();
}
}
});
}
public abstract IPopupMenu createPopupMenu();
public abstract IWidget getParent();
public boolean hasFocus() {
return hasFocus;
}
@Override
public void redraw() {
getWidget().redraw();
}
@Override
public void setRedrawEnabled(final boolean enabled) {
getWidget().setRedrawEnabled(enabled);
}
@Override
public IComponentSpi getWidget() {
return (IComponentSpi) super.getWidget();
}
@Override
public void setForegroundColor(final IColorConstant colorValue) {
getWidget().setForegroundColor(colorValue);
}
@Override
public void setBackgroundColor(final IColorConstant colorValue) {
getWidget().setBackgroundColor(colorValue);
}
@Override
public IColorConstant getForegroundColor() {
return getWidget().getForegroundColor();
}
@Override
public IColorConstant getBackgroundColor() {
return getWidget().getBackgroundColor();
}
@Override
public void setCursor(final Cursor cursor) {
getWidget().setCursor(cursor);
}
@Override
public void setVisible(final boolean visible) {
getWidget().setVisible(visible);
if (showingStateObservableLazy != null) {
showingStateObservableLazy.fireShowingStateChanged(isShowing());
}
}
@Override
public boolean isVisible() {
return getWidget().isVisible();
}
public boolean isShowing() {
if (isVisible()) {
final IWidget parent = getParent();
if (parent == null) {
return true;
}
else if (parent instanceof IComponent) {
return ((IComponent) parent).isShowing();
}
}
return false;
}
@Override
public Dimension getSize() {
return getWidget().getSize();
}
@Override
public void setSize(final Dimension size) {
if (!NullCompatibleEquivalence.equals(size, getSize())) {
getWidget().setSize(size);
}
}
@Override
public Position getPosition() {
return getWidget().getPosition();
}
public void setSize(final int width, final int height) {
setSize(new Dimension(width, height));
}
public void setPosition(final int x, final int y) {
setPosition(new Position(x, y));
}
@Override
public void setPosition(final Position position) {
if (!NullCompatibleEquivalence.equals(position, getPosition())) {
getWidget().setPosition(position);
}
}
public Rectangle getBounds() {
return new Rectangle(getWidget().getPosition(), getWidget().getSize());
}
public void setBounds(final Rectangle bounds) {
setPosition(bounds.getPosition());
setSize(bounds.getSize());
}
@Override
public void addKeyListener(final IKeyListener listener) {
getWidget().addKeyListener(listener);
}
@Override
public void removeKeyListener(final IKeyListener listener) {
getWidget().removeKeyListener(listener);
}
@Override
public void addMouseListener(final IMouseListener mouseListener) {
getWidget().addMouseListener(mouseListener);
}
@Override
public void removeMouseListener(final IMouseListener mouseListener) {
getWidget().removeMouseListener(mouseListener);
}
@Override
public void addMouseMotionListener(final IMouseMotionListener listener) {
getWidget().addMouseMotionListener(listener);
}
@Override
public void removeMouseMotionListener(final IMouseMotionListener listener) {
getWidget().removeMouseMotionListener(listener);
}
@Override
public void addComponentListener(final IComponentListener componentListener) {
getWidget().addComponentListener(componentListener);
}
@Override
public void removeComponentListener(final IComponentListener componentListener) {
getWidget().removeComponentListener(componentListener);
}
@Override
public final void addFocusListener(final IFocusListener listener) {
focusListeners.add(listener);
}
@Override
public final void removeFocusListener(final IFocusListener listener) {
focusListeners.remove(listener);
}
public final void addShowingStateListener(final IShowingStateListener listener) {
getShowingStateObservable().addShowingStateListener(listener);
}
public final void removeShowingStateListener(final IShowingStateListener listener) {
getShowingStateObservable().removeShowingStateListener(listener);
}
private ShowingStateObservable getShowingStateObservable() {
if (showingStateObservableLazy == null) {
showingStateObservableLazy = new ShowingStateObservable(isShowing());
if (getThis() instanceof IControl) {
final IWidget parent = getParent();
if (parent instanceof IContainer) {
((IContainer) parent).addShowingStateListener(showingStateListener);
}
final IControl thisControl = (IControl) getThis();
thisControl.addParentListener(new IParentListener<IContainer>() {
@Override
public void parentChanged(final IContainer oldParent, final IContainer newParent) {
if (oldParent != null) {
oldParent.removeShowingStateListener(showingStateListener);
}
if (newParent != null) {
newParent.addShowingStateListener(showingStateListener);
if (showingStateObservableLazy != null) {
showingStateObservableLazy.fireShowingStateChanged(isShowing());
}
}
}
});
}
else {
final IWidget parent = getParent();
if (parent instanceof IComponent) {
((IComponent) parent).addShowingStateListener(showingStateListener);
}
}
}
return showingStateObservableLazy;
}
Object getThis() {
return this;
}
protected ShowingStateObservable getShowingStateObservableLazy() {
return showingStateObservableLazy;
}
@Override
public boolean requestFocus() {
return getWidget().requestFocus();
}
@Override
public void addPopupDetectionListener(final IPopupDetectionListener listener) {
getWidget().addPopupDetectionListener(listener);
}
@Override
public void removePopupDetectionListener(final IPopupDetectionListener listener) {
getWidget().removePopupDetectionListener(listener);
}
public void setPopupMenu(final IMenuModel popupMenuModel) {
if (popupMenuModel == null && this.popupMenuModel != null) {
removePopupDetectionListener(popupListener);
}
else if (popupMenuModel != null && this.popupMenuModel == null) {
addPopupDetectionListener(popupListener);
}
this.popupMenuModel = popupMenuModel;
}
public Position toScreen(final Position localPosition) {
return Toolkit.toScreen(localPosition, (IComponent) this);
}
public Position toLocal(final Position screenPosition) {
return Toolkit.toLocal(screenPosition, (IComponent) this);
}
public Position fromComponent(final IComponentCommon component, final Position componentPosition) {
final Position screenPosition = Toolkit.toScreen(componentPosition, (IComponent) component);
return Toolkit.toLocal(screenPosition, (IComponent) this);
}
public Position toComponent(final Position componentPosition, final IComponentCommon component) {
final Position screenPosition = Toolkit.toScreen(componentPosition, (IComponent) this);
return Toolkit.toLocal(screenPosition, (IComponent) component);
}
private final class ShowingStateListener implements IShowingStateListener {
@Override
public void showingStateChanged(final boolean isShowing) {
if (showingStateObservableLazy != null) {
showingStateObservableLazy.fireShowingStateChanged(isShowing());
}
}
}
}