/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.widget.advancedviews.client.widget;
import org.geomajas.gwt.client.map.event.MapViewChangedEvent;
import org.geomajas.gwt.client.widget.MapWidget;
import org.geomajas.widget.advancedviews.configuration.client.themes.RangeConfig;
import org.geomajas.widget.advancedviews.configuration.client.themes.ViewConfig;
import com.smartgwt.client.types.SelectionType;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VLayout;
/**
* @author Oliver May
*
*/
public class ThemeWidget extends AbstractThemeWidget {
private static final String THEME_RADIO_GROUP = "themeRadioGroup";
private static final int IMAGE_SIZE = 48;
private static final int ROW_SIZE = IMAGE_SIZE + 8;
public ThemeWidget(MapWidget mapWidget) {
super(mapWidget);
}
protected void buildWidget() {
VLayout vLayout = new VLayout();
vLayout.setWidth100();
vLayout.setMembersMargin(5);
for (ViewConfig viewConfig : themeInfo.getThemeConfigs()) {
RangeConfig rangeConfig = getRangeConfigForCurrentScale(viewConfig, mapWidget.getMapModel().getMapView()
.getCurrentScale());
HLayout layout = new HLayout();
layout.setMembersMargin(2);
final IButton button = new IButton();
button.setWidth100();
button.setHeight(ROW_SIZE);
button.setActionType(SelectionType.RADIO);
button.setRadioGroup(getID() + THEME_RADIO_GROUP);
if (rangeConfig != null) {
button.setIcon("[ISOMORPHIC]/" + rangeConfig.getIcon());
} else {
button.setIcon("[ISOMORPHIC]/" + viewConfig.getIcon());
}
button.setIconWidth(IMAGE_SIZE);
button.setIconHeight(IMAGE_SIZE);
button.setTitle(viewConfig.getTitle());
button.setIconAlign("left");
button.setTooltip(viewConfig.getDescription());
final ViewConfigItem item = new ViewConfigItem();
item.setViewConfig(viewConfig);
item.setButton(button);
button.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
if (null != getActiveViewConfig() && getActiveViewConfig().equals(item)) {
button.setSelected(false);
activateViewConfig(null);
}
if (button.isSelected()) {
activateViewConfig(item);
}
}
});
viewConfigItems.add(item);
layout.addMember(button);
vLayout.addMember(layout);
}
addChild(vLayout);
markForRedraw();
}
/* (non-Javadoc)
* @see org.geomajas.gwt.client.map.event.MapViewChangedHandler#onMapViewChanged(org.geomajas.gwt.client.map.event.
* MapViewChangedEvent)
*/
public void onMapViewChanged(MapViewChangedEvent event) {
super.onMapViewChanged(event);
if (null != activeViewConfig && !event.isSameScaleLevel()) {
resetIcons();
}
}
/**
* Reset all icons
*/
protected void resetIcons() {
for (ViewConfigItem item : viewConfigItems) {
RangeConfig config = getRangeConfigForCurrentScale(item.getViewConfig(),
mapWidget.getMapModel().getMapView().getCurrentScale());
if (null != config && null != config.getIcon()) {
item.getButton().setIcon("[ISOMORPHIC]/" + config.getIcon());
}
}
}
}