use of org.apache.tapestry5.runtime.RenderQueue in project tapestry-5 by apache.
the class Tree method toRenderCommand.
/**
* Renders a single node (which may be the last within its containing node).
* This is a mix of immediate rendering, and queuing up various Blocks and Render commands
* to do the rest. May recursively render child nodes of the active node. The label part
* of the node is rendered inside a {@linkplain org.apache.tapestry5.services.Heartbeat heartbeat}.
*
* @param node
* to render
* @param isLast
* if true, add "last" attribute to the LI element
* @return command to render the node
*/
private RenderCommand toRenderCommand(final TreeNode node, final boolean isLast) {
return new RenderCommand() {
public void render(MarkupWriter writer, RenderQueue queue) {
// Inform the component's container about what value is being rendered
// (this may be necessary to generate the correct label for the node).
Tree.this.node = node;
value = node.getValue();
boolean isLeaf = node.isLeaf();
writer.element("li");
if (isLast) {
writer.attributes("class", "last");
}
if (isLeaf) {
writer.getElement().attribute("class", "leaf-node");
}
Element e = writer.element("span", "class", "tree-icon");
if (!isLeaf && !node.getHasChildren()) {
e.addClassName("empty-node");
}
boolean hasChildren = !isLeaf && node.getHasChildren();
boolean expanded = hasChildren && expansionModel.isExpanded(node);
writer.attributes("data-node-id", node.getId());
if (expanded) {
// Inform the client side, so it doesn't try to fetch it a second time.
e.addClassName("tree-expanded");
}
// span.tree-icon
writer.end();
// From here on in, we're pushing things onto the queue. Remember that
// execution order is reversed from order commands are pushed.
// li
queue.push(RENDER_CLOSE_TAG);
if (expanded) {
queue.push(new RenderNodes(node.getChildren()));
}
queue.push(RENDER_CLOSE_TAG);
final RenderCommand startHeartbeat = new RenderCommand() {
@Override
public void render(MarkupWriter writer, RenderQueue queue) {
heartbeat.begin();
}
};
final RenderCommand endHeartbeat = new RenderCommand() {
@Override
public void render(MarkupWriter writer, RenderQueue queue) {
heartbeat.end();
}
};
queue.push(endHeartbeat);
queue.push(label);
queue.push(startHeartbeat);
if (isLeaf && selectionModel != null && selectionModel.isSelected(node)) {
queue.push(MARK_SELECTED);
}
queue.push(RENDER_LABEL_SPAN);
}
};
}
use of org.apache.tapestry5.runtime.RenderQueue in project tapestry-5 by apache.
the class CompositeRenderCommandTest method nyi_data.
@DataProvider
public Object[][] nyi_data() {
RenderCommand push = new RenderCommand() {
public void render(MarkupWriter writer, RenderQueue queue) {
queue.push(null);
}
};
RenderCommand startComponent = new RenderCommand() {
public void render(MarkupWriter writer, RenderQueue queue) {
queue.startComponent(null);
}
};
RenderCommand endComponent = new RenderCommand() {
public void render(MarkupWriter writer, RenderQueue queue) {
queue.endComponent();
}
};
return new Object[][] { { push }, { startComponent }, { endComponent } };
}
use of org.apache.tapestry5.runtime.RenderQueue in project tapestry-5 by apache.
the class TapestryModule method contributeTypeCoercer.
/**
* Adds coercions:
* <ul>
* <li>String to {@link SelectModel}
* <li>Map to {@link SelectModel}
* <li>Collection to {@link GridDataSource}
* <li>null to {@link GridDataSource}
* <li>List to {@link SelectModel}
* <li>{@link ComponentResourcesAware} (typically, a component) to {@link ComponentResources}
* <li>{@link ComponentResources} to {@link PropertyOverrides}
* <li>String to {@link Renderable}
* <li>{@link Renderable} to {@link Block}
* <li>String to {@link DateFormat}
* <li>String to {@link Resource} (via {@link AssetSource#resourceForPath(String)})
* <li>{@link Renderable} to {@link RenderCommand}</li>
* <li>String to {@link Pattern}</li>
* <li>String to {@link DateFormat}</li>
* <li>{@link Resource} to {@link DynamicTemplate}</li>
* <li>{@link Asset} to {@link Resource}</li>
* <li>{@link ValueEncoder} to {@link ValueEncoderFactory}</li>
* </ul>
*/
public static void contributeTypeCoercer(MappedConfiguration<CoercionTuple.Key, CoercionTuple> configuration, final ObjectLocator objectLocator, @Builtin final ThreadLocale threadLocale, @Core final AssetSource assetSource, @Core final DynamicTemplateParser dynamicTemplateParser) {
CoercionTuple<ComponentResources, PropertyOverrides> componentResourcesToPropertyOverrides = CoercionTuple.create(ComponentResources.class, PropertyOverrides.class, new Coercion<ComponentResources, PropertyOverrides>() {
public PropertyOverrides coerce(ComponentResources input) {
return new PropertyOverridesImpl(input);
}
});
configuration.add(componentResourcesToPropertyOverrides.getKey(), componentResourcesToPropertyOverrides);
// See TAP5-2184 for why this causes some trouble!
CoercionTuple<String, SelectModel> stringToSelectModel = CoercionTuple.create(String.class, SelectModel.class, new Coercion<String, SelectModel>() {
public SelectModel coerce(String input) {
return TapestryInternalUtils.toSelectModel(input);
}
});
configuration.add(stringToSelectModel.getKey(), stringToSelectModel);
CoercionTuple<Map, SelectModel> mapToSelectModel = CoercionTuple.create(Map.class, SelectModel.class, new Coercion<Map, SelectModel>() {
@SuppressWarnings("unchecked")
public SelectModel coerce(Map input) {
return TapestryInternalUtils.toSelectModel(input);
}
});
configuration.add(mapToSelectModel.getKey(), mapToSelectModel);
CoercionTuple<Collection, GridDataSource> collectionToGridDataSource = CoercionTuple.create(Collection.class, GridDataSource.class, new Coercion<Collection, GridDataSource>() {
public GridDataSource coerce(Collection input) {
return new CollectionGridDataSource(input);
}
});
configuration.add(collectionToGridDataSource.getKey(), collectionToGridDataSource);
CoercionTuple<Void, GridDataSource> voidToGridDataSource = CoercionTuple.create(void.class, GridDataSource.class, new Coercion<Void, GridDataSource>() {
private final GridDataSource source = new NullDataSource();
public GridDataSource coerce(Void input) {
return source;
}
});
configuration.add(voidToGridDataSource.getKey(), voidToGridDataSource);
CoercionTuple<List, SelectModel> listToSelectModel = CoercionTuple.create(List.class, SelectModel.class, new Coercion<List, SelectModel>() {
private SelectModelFactory selectModelFactory;
@SuppressWarnings("unchecked")
public SelectModel coerce(List input) {
// to another value, and a race condition is harmless.
if (selectModelFactory == null) {
selectModelFactory = objectLocator.getService(SelectModelFactory.class);
}
return selectModelFactory.create(input);
}
});
configuration.add(listToSelectModel.getKey(), listToSelectModel);
CoercionTuple<String, Pattern> stringToPattern = CoercionTuple.create(String.class, Pattern.class, new Coercion<String, Pattern>() {
public Pattern coerce(String input) {
return Pattern.compile(input);
}
});
configuration.add(stringToPattern.getKey(), stringToPattern);
CoercionTuple<ComponentResourcesAware, ComponentResources> componentResourcesAwareToComponentResources = CoercionTuple.create(ComponentResourcesAware.class, ComponentResources.class, new Coercion<ComponentResourcesAware, ComponentResources>() {
public ComponentResources coerce(ComponentResourcesAware input) {
return input.getComponentResources();
}
});
configuration.add(componentResourcesAwareToComponentResources.getKey(), componentResourcesAwareToComponentResources);
CoercionTuple<String, Renderable> stringToRenderable = CoercionTuple.create(String.class, Renderable.class, new Coercion<String, Renderable>() {
public Renderable coerce(String input) {
return new StringRenderable(input);
}
});
configuration.add(stringToRenderable.getKey(), stringToRenderable);
CoercionTuple<Renderable, Block> renderableToBlock = CoercionTuple.create(Renderable.class, Block.class, new Coercion<Renderable, Block>() {
public Block coerce(Renderable input) {
return new RenderableAsBlock(input);
}
});
configuration.add(renderableToBlock.getKey(), renderableToBlock);
CoercionTuple<String, DateFormat> stringToDateFormat = CoercionTuple.create(String.class, DateFormat.class, new Coercion<String, DateFormat>() {
public DateFormat coerce(String input) {
final SimpleDateFormat dateFormat = new SimpleDateFormat(input, threadLocale.getLocale());
final String lenient = objectLocator.getService(SymbolSource.class).valueForSymbol(SymbolConstants.LENIENT_DATE_FORMAT);
dateFormat.setLenient(Boolean.parseBoolean(lenient));
return dateFormat;
}
});
configuration.add(stringToDateFormat.getKey(), stringToDateFormat);
CoercionTuple<String, Resource> stringToResource = CoercionTuple.create(String.class, Resource.class, new Coercion<String, Resource>() {
public Resource coerce(String input) {
return assetSource.resourceForPath(input);
}
});
configuration.add(stringToResource.getKey(), stringToResource);
CoercionTuple<Renderable, RenderCommand> renderableToRenderCommand = CoercionTuple.create(Renderable.class, RenderCommand.class, new Coercion<Renderable, RenderCommand>() {
public RenderCommand coerce(final Renderable input) {
return new RenderCommand() {
public void render(MarkupWriter writer, RenderQueue queue) {
input.render(writer);
}
};
}
});
configuration.add(renderableToRenderCommand.getKey(), renderableToRenderCommand);
CoercionTuple<Date, Calendar> dateToCalendar = CoercionTuple.create(Date.class, Calendar.class, new Coercion<Date, Calendar>() {
public Calendar coerce(Date input) {
Calendar calendar = Calendar.getInstance(threadLocale.getLocale());
calendar.setTime(input);
return calendar;
}
});
configuration.add(dateToCalendar.getKey(), dateToCalendar);
CoercionTuple<Resource, DynamicTemplate> resourceToDynamicTemplate = CoercionTuple.create(Resource.class, DynamicTemplate.class, new Coercion<Resource, DynamicTemplate>() {
public DynamicTemplate coerce(Resource input) {
return dynamicTemplateParser.parseTemplate(input);
}
});
configuration.add(resourceToDynamicTemplate.getKey(), resourceToDynamicTemplate);
CoercionTuple<Asset, Resource> assetToResource = CoercionTuple.create(Asset.class, Resource.class, new Coercion<Asset, Resource>() {
public Resource coerce(Asset input) {
return input.getResource();
}
});
configuration.add(assetToResource.getKey(), assetToResource);
CoercionTuple<ValueEncoder, ValueEncoderFactory> valueEncoderToValueEncoderFactory = CoercionTuple.create(ValueEncoder.class, ValueEncoderFactory.class, new Coercion<ValueEncoder, ValueEncoderFactory>() {
public ValueEncoderFactory coerce(ValueEncoder input) {
return new GenericValueEncoderFactory(input);
}
});
configuration.add(valueEncoderToValueEncoderFactory.getKey(), valueEncoderToValueEncoderFactory);
}
use of org.apache.tapestry5.runtime.RenderQueue in project tapestry-5 by apache.
the class RenderPhaseEventHandler method handleResult.
/**
* Handles a result (a return value from an event handler method). The result
* must be Boolean, {@link RenderCommand} or {@link Renderable}. For the latter two types, the result
* is converted to a {@link RenderCommand} and added to an internal list; the commands in the list
* are pushed onto the {@link RenderQueue} at the end of the render phase, when {@link #enqueueSavedRenderCommands()}} is invoked.
*
* @param result the result value returned from the event handler method
* @return true if the event is aborted (a Boolean), false if event processing should continue (other types)
* @throws RuntimeException for any other type
*/
public boolean handleResult(Object result) {
if (result instanceof Boolean) {
this.result = (Boolean) result;
// abort other handler methods
return true;
}
if (result instanceof RenderCommand) {
RenderCommand command = (RenderCommand) result;
add(command);
// do not abort!
return false;
}
if (result instanceof Renderable) {
final Renderable renderable = (Renderable) result;
RenderCommand wrapper = new RenderCommand() {
public void render(MarkupWriter writer, RenderQueue queue) {
renderable.render(writer);
}
};
add(wrapper);
return false;
}
throw new RuntimeException(StructureMessages.wrongPhaseResultType(Arrays.asList(Boolean.class.getName(), Renderable.class.getName(), RenderCommand.class.getName())));
}
use of org.apache.tapestry5.runtime.RenderQueue in project tapestry-5 by apache.
the class BlockImplTest method empty_block.
@Test
public void empty_block() {
BlockImpl block = new BlockImpl(null, null);
RenderQueue queue = mockRenderQueue();
MarkupWriter writer = mockMarkupWriter();
replay();
block.render(writer, queue);
verify();
}
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