/*
* WizardPageSelector.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.core.client.widget;
import java.util.ArrayList;
import org.rstudio.core.client.CommandWithArg;
import org.rstudio.core.client.resources.ImageResource2x;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.LayoutPanel;
public class WizardPageSelector<I,T> extends Composite
implements CanFocus,
HasWizardPageSelectionHandler<I,T>
{
public WizardPageSelector(ArrayList<WizardPage<I,T>> pages)
{
this(pages, null);
}
public WizardPageSelector(ArrayList<WizardPage<I,T>> pages,
final CommandWithArg<WizardPage<I,T>> onSelected)
{
onSelected_ = onSelected;
WizardResources res = WizardResources.INSTANCE;
WizardResources.Styles styles = res.styles();
FlowPanel pageSelectorPanel = new FlowPanel();
pageSelectorPanel.addStyleName(styles.wizardPageSelector());
pageSelectorPanel.setSize("100%", "100%");
for (int i=0; i<pages.size(); i++)
{
final WizardPage<I,T> page = pages.get(i);
PageSelectorItem pageSelector =
new PageSelectorItem(page, new ClickHandler() {
@Override
public void onClick(ClickEvent event)
{
onSelected_.execute(page);
}
});
if (i==0)
pageSelector.addStyleName(styles.wizardPageSelectorItemFirst());
if (i == (pages.size() -1))
pageSelector.addStyleName(styles.wizardPageSelectorItemLast());
pageSelectorPanel.add(pageSelector);
}
initWidget(pageSelectorPanel);
}
@Override
public void setSelectionHandler(CommandWithArg<WizardPage<I,T>> onSelected)
{
onSelected_ = onSelected;
}
private class PageSelectorItem extends Composite
{
PageSelectorItem(final WizardPageInfo pageInfo, ClickHandler clickHandler)
{
WizardResources res = WizardResources.INSTANCE;
WizardResources.Styles styles = res.styles();
LayoutPanel layoutPanel = new LayoutPanel();
layoutPanel.addStyleName(styles.wizardPageSelectorItem());
ImageResource pageImageResource = pageInfo.getImage();
Image image = null;
if (pageImageResource != null)
{
image = new Image(pageImageResource);
layoutPanel.add(image);
layoutPanel.setWidgetLeftWidth(image,
10, Unit.PX,
image.getWidth(), Unit.PX);
layoutPanel.setWidgetTopHeight(image,
40-(image.getHeight()/2), Unit.PX,
image.getHeight(), Unit.PX);
}
FlowPanel captionPanel = new FlowPanel();
Label titleLabel = new Label(pageInfo.getTitle());
titleLabel.addStyleName(styles.headerLabel());
captionPanel.add(titleLabel);
Label subTitleLabel = new Label(pageInfo.getSubTitle());
subTitleLabel.addStyleName(styles.subcaptionLabel());
captionPanel.add(subTitleLabel);
layoutPanel.add(captionPanel);
layoutPanel.setWidgetLeftWidth(captionPanel,
10 + (image == null ? 0 : image.getWidth()) + 12, Unit.PX,
450, Unit.PX);
layoutPanel.setWidgetTopHeight(captionPanel,
19, Unit.PX,
55, Unit.PX);
Image arrowImage = new Image(new ImageResource2x(res.wizardDisclosureArrow2x()));
layoutPanel.add(arrowImage);
layoutPanel.setWidgetRightWidth(arrowImage,
20, Unit.PX,
arrowImage.getWidth(),
Unit.PX);
layoutPanel.setWidgetTopHeight(arrowImage,
40-(arrowImage.getHeight()/2), Unit.PX,
arrowImage.getHeight(), Unit.PX);
layoutPanel.addDomHandler(clickHandler, ClickEvent.getType());
initWidget(layoutPanel);
}
}
@Override
public void focus()
{
getElement().focus();
}
private CommandWithArg<WizardPage<I,T>> onSelected_;
}