/**
* Creates the {@link RenderedImage} corresponding to the tile at index {@code tileIdx} and uses a
* {@link RenderedImageMapResponse} to encode it into the {@link #getResponseFormat() response
* format}.
*
* @see org.geowebcache.layer.MetaTile#writeTileToStream(int, org.geowebcache.io.Resource)
* @see RenderedImageMapResponse#write
*/
@Override
public boolean writeTileToStream(final int tileIdx, Resource target) throws IOException {
checkNotNull(metaTileMap, "webMap is not set");
if (!(metaTileMap instanceof RenderedImageMap)) {
throw new IllegalArgumentException(
"Only RenderedImageMaps are supported so far: " + metaTileMap.getClass().getName());
}
final RenderedImageMapResponse mapEncoder;
{
final GWC mediator = GWC.get();
final Response responseEncoder = mediator.getResponseEncoder(responseFormat, metaTileMap);
mapEncoder = (RenderedImageMapResponse) responseEncoder;
}
RenderedImage tile = metaTileMap.getImage();
WMSMapContent tileContext = metaTileMap.getMapContext();
if (this.tiles.length > 1 || (this.tiles.length == 1 && metaHasGutter())) {
final Rectangle tileDim = this.tiles[tileIdx];
tile = createTile(tileDim.x, tileDim.y, tileDim.width, tileDim.height);
disposeLater(tile);
{
final WMSMapContent metaTileContext = metaTileMap.getMapContext();
// do not create tileContext with metaTileContext.getLayers() as the layer list.
// It is not needed at this stage and the constructor would force a
// MapLayer.getBounds() that might fail
tileContext = new WMSMapContent();
tileContext.setRequest(metaTileContext.getRequest());
tileContext.setBgColor(metaTileContext.getBgColor());
tileContext.setMapWidth(tileDim.width);
tileContext.setMapHeight(tileDim.height);
tileContext.setPalette(metaTileContext.getPalette());
tileContext.setTransparent(tileContext.isTransparent());
long[][] tileIndexes = getTilesGridPositions();
BoundingBox tileBounds = gridSubset.boundsFromIndex(tileIndexes[tileIdx]);
ReferencedEnvelope tilebbox =
new ReferencedEnvelope(metaTileContext.getCoordinateReferenceSystem());
tilebbox.init(
tileBounds.getMinX(), tileBounds.getMaxX(), tileBounds.getMinY(), tileBounds.getMaxY());
tileContext.getViewport().setBounds(tilebbox);
}
}
OutputStream outStream = target.getOutputStream();
try {
// call formatImageOuputStream instead of write to avoid disposition of rendered images
// when processing a tile from a metatile and instead defer it to this class' dispose()
// method
mapEncoder.formatImageOutputStream(tile, outStream, tileContext);
return true;
} finally {
outStream.close();
}
}
@Override
public void validate(IValidatable<Set<XMLGridSubset>> validatable) {
if (!validate) {
return;
}
Set<XMLGridSubset> gridSubsets = validatable.getValue();
if (gridSubsets == null || gridSubsets.size() == 0) {
error(validatable, "GridSubsetsEditor.validation.empty");
return;
}
final GWC gwc = GWC.get();
for (XMLGridSubset subset : gridSubsets) {
final String gridSetName = subset.getGridSetName();
final Integer zoomStart = subset.getZoomStart();
final Integer zoomStop = subset.getZoomStop();
final BoundingBox extent = subset.getExtent();
if (gridSetName == null) {
throw new IllegalStateException("GridSet name is null");
}
if (zoomStart != null && zoomStop != null) {
if (zoomStart.intValue() > zoomStop.intValue()) {
error(validatable, "GridSubsetsEditor.validation.zoomLevelsError");
return;
}
}
final GridSetBroker gridSetBroker = gwc.getGridSetBroker();
final GridSet gridSet = gridSetBroker.get(gridSetName);
if (null == gridSet) {
error(validatable, "GridSubsetsEditor.validation.gridSetNotFound", gridSetName);
return;
}
if (extent != null) {
if (extent.isNull() || !extent.isSane()) {
error(validatable, "GridSubsetsEditor.validation.invalidBounds");
}
final BoundingBox fullBounds = gridSet.getOriginalExtent();
final boolean intersects = fullBounds.intersects(extent);
if (!intersects) {
error(validatable, "GridSubsetsEditor.validation.boundsOutsideCoverage");
}
}
}
}
public GridSubsetsEditor(final String id, final IModel<Set<XMLGridSubset>> model) {
super(id, model);
add(validator = new GridSubsetListValidator());
// container for ajax updates
final WebMarkupContainer container = new WebMarkupContainer("container");
container.setOutputMarkupId(true);
add(container);
// the link list
table = new WebMarkupContainer("table");
table.setOutputMarkupId(true);
container.add(table);
grids =
new ListView<XMLGridSubset>(
"gridSubsets", new ArrayList<XMLGridSubset>(model.getObject())) {
private static final long serialVersionUID = 1L;
@Override
protected void onBeforeRender() {
super.onBeforeRender();
}
@Override
protected void populateItem(final ListItem<XMLGridSubset> item) {
// odd/even style
final int index = item.getIndex();
item.add(new SimpleAttributeModifier("class", index % 2 == 0 ? "even" : "odd"));
final XMLGridSubset gridSubset = item.getModelObject();
GridSetBroker gridSetBroker = GWC.get().getGridSetBroker();
String gridsetDescription = null;
int gridsetLevels;
boolean gridsetExists;
{
final GridSet gridSet = gridSetBroker.get(gridSubset.getGridSetName());
gridsetExists = gridSet != null;
if (gridsetExists) {
gridsetLevels = gridSet.getNumLevels();
gridsetDescription = gridSet.getDescription();
} else {
gridsetLevels =
gridSubset.getZoomStop() == null ? 1 : gridSubset.getZoomStop().intValue();
}
}
final Label gridSetLabel;
final Component gridSetBounds;
gridSetLabel =
new Label("gridSet", new PropertyModel<String>(item.getModel(), "gridSetName"));
if (!gridsetExists) {
gridSetLabel.add(
new AttributeModifier(
"style", true, new Model<String>("color:red;text-decoration:line-through;")));
getPage().warn("GridSet " + gridSubset.getGridSetName() + " does not exist");
}
item.add(gridSetLabel);
if (null != gridsetDescription) {
gridSetLabel.add(
new AttributeModifier("title", true, new Model<String>(gridsetDescription)));
}
final Component removeLink;
final int maxZoomLevel = gridsetLevels - 1;
final ArrayList<Integer> zoomLevels = new ArrayList<Integer>(maxZoomLevel + 1);
for (int z = 0; z <= maxZoomLevel; z++) {
zoomLevels.add(Integer.valueOf(z));
}
// zoomStart has all zoom levels as choices
// zoomStop choices start at zoomStart's selection
// minCachedLevel start at zoomStart's selection and ends at zoomStop's selection
// maxCachedLevel start at minCachedLevels' and ends at zoomStop's selection
final IModel<Integer> zoomStartModel;
final IModel<Integer> zoomStopModel;
final IModel<Integer> minCachedLevelModel;
final IModel<Integer> maxCachedLevelModel;
final ZoomLevelDropDownChoice zoomStart;
final ZoomLevelDropDownChoice zoomStop;
final ZoomLevelDropDownChoice minCachedLevel;
final ZoomLevelDropDownChoice maxCachedLevel;
zoomStartModel = new PropertyModel<Integer>(item.getModel(), "zoomStart");
zoomStopModel = new PropertyModel<Integer>(item.getModel(), "zoomStop");
minCachedLevelModel = new PropertyModel<Integer>(item.getModel(), "minCachedLevel");
maxCachedLevelModel = new PropertyModel<Integer>(item.getModel(), "maxCachedLevel");
@SuppressWarnings({"rawtypes", "unchecked"})
final IModel<List<Integer>> allLevels = new Model(zoomLevels);
zoomStart = new ZoomLevelDropDownChoice("zoomStart", zoomStartModel, allLevels);
zoomStart.setEnabled(gridsetExists);
item.add(zoomStart);
zoomStop = new ZoomLevelDropDownChoice("zoomStop", zoomStopModel, allLevels);
zoomStop.setEnabled(gridsetExists);
item.add(zoomStop);
minCachedLevel =
new ZoomLevelDropDownChoice("minCachedLevel", minCachedLevelModel, allLevels);
minCachedLevel.setEnabled(gridsetExists);
item.add(minCachedLevel);
maxCachedLevel =
new ZoomLevelDropDownChoice("maxCachedLevel", maxCachedLevelModel, allLevels);
maxCachedLevel.setEnabled(gridsetExists);
item.add(maxCachedLevel);
for (ZoomLevelDropDownChoice dropDown :
Arrays.asList(zoomStart, zoomStop, minCachedLevel, maxCachedLevel)) {
dropDown.add(
new OnChangeAjaxBehavior() {
private static final long serialVersionUID = 1L;
// cascades to zoomStop, min and max cached levels
@Override
protected void onUpdate(AjaxRequestTarget target) {
updateValidZoomRanges(
zoomStart, zoomStop, minCachedLevel, maxCachedLevel, target);
}
});
}
updateValidZoomRanges(zoomStart, zoomStop, minCachedLevel, maxCachedLevel, null);
// gridSetBounds = new EnvelopePanel("bounds");
// gridSetBounds.setCRSFieldVisible(false);
// gridSetBounds.setCrsRequired(false);
// gridSetBounds.setLabelsVisibility(false);
// gridSetBounds.setModel(new Model<ReferencedEnvelope>(new ReferencedEnvelope()));
gridSetBounds =
new Label("bounds", new ResourceModel("GridSubsetsEditor.bounds.dynamic"));
item.add(gridSetBounds);
removeLink =
new ImageAjaxLink("removeLink", GWCIconFactory.DELETE_ICON) {
private static final long serialVersionUID = 1L;
@Override
protected void onClick(AjaxRequestTarget target) {
List<XMLGridSubset> list;
list = new ArrayList<XMLGridSubset>(grids.getModelObject());
final XMLGridSubset subset = (XMLGridSubset) getDefaultModelObject();
list.remove(subset);
grids.setModelObject(list);
List<String> choices = new ArrayList<String>(availableGridSets.getChoices());
choices.add(subset.getGridSetName());
Collections.sort(choices);
availableGridSets.setChoices(choices);
target.addComponent(container);
target.addComponent(availableGridSets);
}
};
removeLink.setDefaultModel(item.getModel());
removeLink.add(
new AttributeModifier(
"title", true, new ResourceModel("GridSubsetsEditor.removeLink")));
item.add(removeLink);
}
};
grids.setOutputMarkupId(true);
// this is necessary to avoid loosing item contents on edit/validation checks
grids.setReuseItems(true);
table.add(grids);
List<String> gridSetNames = new ArrayList<String>(GWC.get().getGridSetBroker().getNames());
for (XMLGridSubset gs : model.getObject()) {
gridSetNames.remove(gs.getGridSetName());
}
Collections.sort(gridSetNames);
GeoServerAjaxFormLink addGridsubsetLink =
new GeoServerAjaxFormLink("addGridSubset") {
private static final long serialVersionUID = 1L;
@Override
protected void onClick(AjaxRequestTarget target, Form form) {
availableGridSets.processInput();
final String selectedGridset = availableGridSets.getModelObject();
if (null == selectedGridset) {
return;
}
List<String> choices = new ArrayList<String>(availableGridSets.getChoices());
choices.remove(selectedGridset);
availableGridSets.setChoices(choices);
availableGridSets.setEnabled(!choices.isEmpty());
XMLGridSubset newSubset = new XMLGridSubset();
newSubset.setGridSetName(selectedGridset);
grids.getModelObject().add(newSubset);
target.addComponent(table);
target.addComponent(availableGridSets);
}
};
addGridsubsetLink.add(new Icon("addIcon", GWCIconFactory.ADD_ICON));
add(addGridsubsetLink);
availableGridSets =
new DropDownChoice<String>("availableGridsets", new Model<String>(), gridSetNames);
availableGridSets.setOutputMarkupId(true);
add(availableGridSets);
}
@Override
protected TileLayer load() {
GWC facade = GWC.get();
return facade.getTileLayerByName(name);
}
/** @see org.geoserver.web.wicket.GeoServerDataProvider#getItems() */
@Override
protected List<CachedLayerInfo> getItems() {
GWC gwc = GWC.get();
return CachedLayerDetachableModel.getItems(gwc);
}