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package org.apache.tapestry; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.Messages; |
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import org.apache.hivemind.impl.BaseLocatable; |
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import org.apache.hivemind.util.Defense; |
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import org.apache.tapestry.bean.BeanProvider; |
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import org.apache.tapestry.engine.IPageLoader; |
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import org.apache.tapestry.event.BrowserEvent; |
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import org.apache.tapestry.event.PageEvent; |
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import org.apache.tapestry.internal.Component; |
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import org.apache.tapestry.internal.event.IComponentEventInvoker; |
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import org.apache.tapestry.listener.ListenerMap; |
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import org.apache.tapestry.services.ComponentRenderWorker; |
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import org.apache.tapestry.spec.IComponentSpecification; |
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import org.apache.tapestry.spec.IContainedComponent; |
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import java.util.*; |
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public abstract class AbstractComponent extends BaseLocatable implements IDirectEvent, Component { |
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private static final int MAP_SIZE = 5; |
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private static final int BODY_INIT_SIZE = 5; |
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private static final Map EMPTY_MAP = Collections.unmodifiableMap(new HashMap(1)); |
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private IPage _page; |
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private IComponent _container; |
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private String _id; |
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private String _idPath; |
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private String _templateTagName; |
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private Map _bindings; |
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private Map _components; |
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private INamespace _namespace; |
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protected int _bodyCount = 0; |
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protected IRender[] _body; |
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private Map _assets; |
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private ListenerMap _listeners; |
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private IBeanProvider _beans; |
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private boolean _rendering; |
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private boolean _active; |
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private IContainedComponent _containedComponent; |
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private boolean _hasEvents; |
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public void addAsset(String name, IAsset asset) |
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{ |
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Defense.notNull(name, "name"); |
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Defense.notNull(asset, "asset"); |
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checkActiveLock(); |
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if (_assets == null) |
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_assets = new HashMap(MAP_SIZE); |
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_assets.put(name, asset); |
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} |
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public void addComponent(IComponent component) |
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{ |
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Defense.notNull(component, "component"); |
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checkActiveLock(); |
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if (_components == null) |
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_components = new HashMap(MAP_SIZE); |
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_components.put(component.getId(), component); |
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} |
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public void addBody(IRender element) |
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{ |
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Defense.notNull(element, "element"); |
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if (_body == null) |
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{ |
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_body = new IRender[BODY_INIT_SIZE]; |
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_body[0] = element; |
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_bodyCount = 1; |
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return; |
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} |
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if (_bodyCount == _body.length) |
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{ |
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IRender[] newWrapped; |
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newWrapped = new IRender[_body.length * 2]; |
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System.arraycopy(_body, 0, newWrapped, 0, _bodyCount); |
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_body = newWrapped; |
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} |
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_body[_bodyCount++] = element; |
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} |
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public IRender[] getContainedRenderers() |
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{ |
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return _body; |
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} |
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public IRender[] getInnerRenderers() |
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{ |
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return null; |
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} |
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public boolean hasEvents() |
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{ |
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return _hasEvents; |
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} |
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public void setHasEvents(boolean hasEvents) |
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{ |
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_hasEvents = hasEvents; |
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} |
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public void finishLoad(IRequestCycle cycle, IPageLoader loader, IComponentSpecification specification) |
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{ |
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finishLoad(); |
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} |
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protected void renderInformalParameters(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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String attribute; |
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if (_bindings == null) |
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return; |
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Iterator i = _bindings.entrySet().iterator(); |
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while (i.hasNext()) |
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{ |
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Map.Entry entry = (Map.Entry) i.next(); |
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String name = (String) entry.getKey(); |
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if (isFormalParameter(name)) |
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continue; |
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288 |
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IBinding binding = (IBinding) entry.getValue(); |
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290 |
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Object value = binding.getObject(); |
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if (value == null) |
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continue; |
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if (value instanceof IAsset) |
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{ |
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IAsset asset = (IAsset) value; |
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300 |
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attribute = asset.buildURL(); |
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} |
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else |
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attribute = value.toString(); |
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writer.attribute(name, attribute); |
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} |
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} |
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protected void renderIdAttribute(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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String id = getClientId(); |
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if (id != null) |
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writer.attribute("id", id); |
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} |
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private boolean isFormalParameter(String name) |
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{ |
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Defense.notNull(name, "name"); |
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return getSpecification().getParameter(name) != null; |
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} |
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public IBinding getBinding(String name) |
344 |
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{ |
345 |
31 |
Defense.notNull(name, "name"); |
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347 |
31 |
if (_bindings == null) |
348 |
11 |
return null; |
349 |
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350 |
20 |
return (IBinding) _bindings.get(name); |
351 |
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} |
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356 |
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public boolean isParameterBound(String parameterName) |
360 |
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{ |
361 |
33 |
Defense.notNull(parameterName, "parameterName"); |
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363 |
33 |
return _bindings != null && _bindings.containsKey(parameterName); |
364 |
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} |
365 |
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366 |
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public IComponent getComponent(String id) |
367 |
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{ |
368 |
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Defense.notNull(id, "id"); |
369 |
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370 |
0 |
IComponent result = null; |
371 |
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372 |
0 |
if (_components != null) |
373 |
0 |
result = (IComponent) _components.get(id); |
374 |
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|
375 |
0 |
if (result == null) |
376 |
0 |
throw new ApplicationRuntimeException(Tapestry.format("no-such-component", this, id), |
377 |
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this, null, null); |
378 |
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|
379 |
0 |
return result; |
380 |
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} |
381 |
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382 |
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public IComponent getContainer() |
383 |
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{ |
384 |
6 |
return _container; |
385 |
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} |
386 |
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387 |
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public void setContainer(IComponent value) |
388 |
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{ |
389 |
13 |
checkActiveLock(); |
390 |
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|
391 |
13 |
if (_container != null) |
392 |
0 |
throw new ApplicationRuntimeException(Tapestry |
393 |
|
.getMessage("AbstractComponent.attempt-to-change-container")); |
394 |
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395 |
13 |
_container = value; |
396 |
13 |
} |
397 |
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398 |
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399 |
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400 |
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401 |
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402 |
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403 |
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404 |
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405 |
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public String getExtendedId() |
406 |
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{ |
407 |
8 |
if (_page == null) |
408 |
3 |
return null; |
409 |
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410 |
5 |
return _page.getPageName() + "/" + getIdPath(); |
411 |
|
} |
412 |
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413 |
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414 |
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415 |
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public String getSpecifiedId() |
416 |
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{ |
417 |
65 |
String id = getBoundId(); |
418 |
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|
419 |
65 |
if (id != null) |
420 |
0 |
return id; |
421 |
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|
422 |
65 |
return getId(); |
423 |
|
} |
424 |
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|
425 |
|
public String getId() |
426 |
|
{ |
427 |
68 |
return _id; |
428 |
|
} |
429 |
|
|
430 |
|
public void setId(String value) |
431 |
|
{ |
432 |
16 |
if (_id != null) |
433 |
0 |
throw new ApplicationRuntimeException(Tapestry.getMessage("AbstractComponent.attempt-to-change-component-id")); |
434 |
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|
435 |
16 |
_id = value; |
436 |
16 |
} |
437 |
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|
438 |
|
public String getIdPath() |
439 |
|
{ |
440 |
5 |
if (_idPath != null) |
441 |
0 |
return _idPath; |
442 |
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|
443 |
|
String containerIdPath; |
444 |
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|
445 |
5 |
if (_container == null) |
446 |
0 |
throw new NullPointerException(Tapestry.format("AbstractComponent.null-container", this)); |
447 |
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|
448 |
5 |
containerIdPath = _container.getIdPath(); |
449 |
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|
450 |
5 |
if (containerIdPath == null) |
451 |
5 |
_idPath = _id; |
452 |
|
else |
453 |
0 |
_idPath = containerIdPath + "." + _id; |
454 |
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455 |
5 |
return _idPath; |
456 |
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} |
457 |
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458 |
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459 |
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|
460 |
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461 |
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462 |
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public abstract String getClientId(); |
463 |
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464 |
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public abstract void setClientId(String id); |
465 |
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466 |
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467 |
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468 |
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469 |
|
public String peekClientId() |
470 |
|
{ |
471 |
0 |
if (getPage() == null) |
472 |
0 |
return null; |
473 |
|
|
474 |
0 |
String id = getSpecifiedId(); |
475 |
0 |
if (id == null) |
476 |
0 |
return null; |
477 |
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|
478 |
0 |
return getPage().getRequestCycle().peekUniqueId(TapestryUtils.convertTapestryIdToNMToken(id)); |
479 |
|
} |
480 |
|
|
481 |
|
protected void generateClientId() |
482 |
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{ |
483 |
50 |
String id = getSpecifiedId(); |
484 |
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|
485 |
50 |
if (id != null && getPage() != null && getPage().getRequestCycle() != null) |
486 |
0 |
setClientId(getPage().getRequestCycle().getUniqueId(TapestryUtils.convertTapestryIdToNMToken(id))); |
487 |
50 |
} |
488 |
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|
489 |
|
protected String getBoundId() |
490 |
|
{ |
491 |
65 |
if (_bindings == null) |
492 |
53 |
return null; |
493 |
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|
494 |
12 |
IBinding id = (IBinding)_bindings.get("id"); |
495 |
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|
496 |
12 |
if (id == null || id.getObject() == null) |
497 |
12 |
return null; |
498 |
|
|
499 |
0 |
return id.getObject().toString(); |
500 |
|
} |
501 |
|
|
502 |
|
public String getTemplateTagName() |
503 |
|
{ |
504 |
21 |
return _templateTagName; |
505 |
|
} |
506 |
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507 |
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508 |
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509 |
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|
510 |
|
public void setTemplateTagName(String tag) |
511 |
|
{ |
512 |
15 |
if (_templateTagName != null) |
513 |
0 |
throw new ApplicationRuntimeException(Tapestry.getMessage("AbstractComponent.attempt-to-change-template-tag")); |
514 |
|
|
515 |
15 |
_templateTagName = tag; |
516 |
15 |
} |
517 |
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|
518 |
|
public IPage getPage() |
519 |
|
{ |
520 |
59 |
return _page; |
521 |
|
} |
522 |
|
|
523 |
|
public void setPage(IPage value) |
524 |
|
{ |
525 |
33 |
if (_page != null) |
526 |
0 |
throw new ApplicationRuntimeException(Tapestry.getMessage("AbstractComponent.attempt-to-change-page")); |
527 |
|
|
528 |
33 |
_page = value; |
529 |
33 |
} |
530 |
|
|
531 |
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|
532 |
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|
533 |
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|
534 |
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|
535 |
|
public void renderBody(IMarkupWriter writer, IRequestCycle cycle) |
536 |
|
{ |
537 |
63 |
for (int i = 0; i < _bodyCount; i++) |
538 |
27 |
cycle.getResponseBuilder().render(writer, _body[i], cycle); |
539 |
36 |
} |
540 |
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|
541 |
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542 |
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543 |
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544 |
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545 |
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546 |
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547 |
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548 |
|
public void setBinding(String name, IBinding binding) |
549 |
|
{ |
550 |
26 |
Defense.notNull(name, "name"); |
551 |
26 |
Defense.notNull(binding, "binding"); |
552 |
|
|
553 |
26 |
if (_bindings == null) |
554 |
24 |
_bindings = new HashMap(MAP_SIZE); |
555 |
|
|
556 |
26 |
_bindings.put(name, binding); |
557 |
26 |
} |
558 |
|
|
559 |
|
public String toString() |
560 |
|
{ |
561 |
|
StringBuffer buffer; |
562 |
|
|
563 |
0 |
buffer = new StringBuffer(super.toString()); |
564 |
|
|
565 |
0 |
buffer.append('['); |
566 |
|
|
567 |
0 |
buffer.append(getExtendedId()); |
568 |
|
|
569 |
0 |
buffer.append(']'); |
570 |
|
|
571 |
0 |
return buffer.toString(); |
572 |
|
} |
573 |
|
|
574 |
|
|
575 |
|
|
576 |
|
|
577 |
|
|
578 |
|
|
579 |
|
public Map getComponents() |
580 |
|
{ |
581 |
0 |
if (_components == null) |
582 |
0 |
return EMPTY_MAP; |
583 |
|
|
584 |
0 |
return _components; |
585 |
|
|
586 |
|
} |
587 |
|
|
588 |
|
public Map getAssets() |
589 |
|
{ |
590 |
0 |
if (_assets == null) |
591 |
0 |
return EMPTY_MAP; |
592 |
|
|
593 |
0 |
return _assets; |
594 |
|
} |
595 |
|
|
596 |
|
public IAsset getAsset(String name) |
597 |
|
{ |
598 |
0 |
if (_assets == null) |
599 |
0 |
return null; |
600 |
|
|
601 |
0 |
return (IAsset) _assets.get(name); |
602 |
|
} |
603 |
|
|
604 |
|
public Collection getBindingNames() |
605 |
|
{ |
606 |
|
|
607 |
|
|
608 |
7 |
if (_container == null) |
609 |
0 |
return null; |
610 |
|
|
611 |
7 |
HashSet result = new HashSet(); |
612 |
|
|
613 |
|
|
614 |
|
|
615 |
7 |
if (_bindings != null) |
616 |
1 |
result.addAll(_bindings.keySet()); |
617 |
|
|
618 |
|
|
619 |
|
|
620 |
|
|
621 |
7 |
List names = getSpecification().getParameterNames(); |
622 |
|
|
623 |
7 |
int count = names.size(); |
624 |
|
|
625 |
7 |
for (int i = 0; i < count; i++) |
626 |
|
{ |
627 |
0 |
String name = (String) names.get(i); |
628 |
|
|
629 |
0 |
if (result.contains(name)) |
630 |
0 |
continue; |
631 |
|
|
632 |
0 |
if (getBinding(name) != null) |
633 |
0 |
result.add(name); |
634 |
|
} |
635 |
|
|
636 |
7 |
return result; |
637 |
|
} |
638 |
|
|
639 |
|
|
640 |
|
|
641 |
|
|
642 |
|
|
643 |
|
|
644 |
|
|
645 |
|
public Map getBindings() |
646 |
|
{ |
647 |
0 |
if (_bindings == null) |
648 |
0 |
return EMPTY_MAP; |
649 |
|
|
650 |
0 |
return _bindings; |
651 |
|
} |
652 |
|
|
653 |
|
|
654 |
|
|
655 |
|
|
656 |
|
|
657 |
|
|
658 |
|
|
659 |
|
|
660 |
|
|
661 |
|
public ListenerMap getListeners() |
662 |
|
{ |
663 |
|
|
664 |
|
|
665 |
|
|
666 |
|
|
667 |
0 |
if (_listeners == null) |
668 |
0 |
_listeners = getPage().getEngine().getInfrastructure().getListenerMapSource().getListenerMapForObject(this); |
669 |
|
|
670 |
0 |
return _listeners; |
671 |
|
} |
672 |
|
|
673 |
|
|
674 |
|
|
675 |
|
|
676 |
|
|
677 |
|
|
678 |
|
|
679 |
|
|
680 |
|
public IBeanProvider getBeans() |
681 |
|
{ |
682 |
0 |
if (_beans == null) |
683 |
0 |
_beans = new BeanProvider(this); |
684 |
|
|
685 |
0 |
return _beans; |
686 |
|
} |
687 |
|
|
688 |
|
|
689 |
|
|
690 |
|
|
691 |
|
|
692 |
|
|
693 |
|
|
694 |
|
|
695 |
|
|
696 |
|
protected void finishLoad() |
697 |
|
{ |
698 |
2 |
} |
699 |
|
|
700 |
|
|
701 |
|
|
702 |
|
|
703 |
|
|
704 |
|
|
705 |
|
|
706 |
|
|
707 |
|
|
708 |
|
|
709 |
|
|
710 |
|
|
711 |
|
|
712 |
|
public final void render(IMarkupWriter writer, IRequestCycle cycle) |
713 |
|
{ |
714 |
|
try |
715 |
|
{ |
716 |
103 |
_rendering = true; |
717 |
|
|
718 |
103 |
cycle.renderStackPush(this); |
719 |
|
|
720 |
103 |
generateClientId(); |
721 |
|
|
722 |
103 |
prepareForRender(cycle); |
723 |
|
|
724 |
103 |
renderComponent(writer, cycle); |
725 |
|
} |
726 |
|
finally |
727 |
|
{ |
728 |
103 |
_rendering = false; |
729 |
|
|
730 |
103 |
cleanupAfterRender(cycle); |
731 |
|
|
732 |
103 |
cycle.renderStackPop(); |
733 |
94 |
} |
734 |
94 |
} |
735 |
|
|
736 |
|
|
737 |
|
|
738 |
|
|
739 |
|
|
740 |
|
|
741 |
|
|
742 |
|
|
743 |
|
|
744 |
|
protected void prepareForRender(IRequestCycle cycle) |
745 |
|
{ |
746 |
103 |
} |
747 |
|
|
748 |
|
|
749 |
|
|
750 |
|
|
751 |
|
|
752 |
|
|
753 |
|
|
754 |
|
|
755 |
|
protected abstract void renderComponent(IMarkupWriter writer, IRequestCycle cycle); |
756 |
|
|
757 |
|
|
758 |
|
|
759 |
|
|
760 |
|
|
761 |
|
|
762 |
|
|
763 |
|
protected void cleanupAfterRender(IRequestCycle cycle) |
764 |
|
{ |
765 |
100 |
getRenderWorker().renderComponent(cycle, this); |
766 |
100 |
} |
767 |
|
|
768 |
|
public INamespace getNamespace() |
769 |
|
{ |
770 |
126 |
return _namespace; |
771 |
|
} |
772 |
|
|
773 |
|
public void setNamespace(INamespace namespace) |
774 |
|
{ |
775 |
22 |
_namespace = namespace; |
776 |
22 |
} |
777 |
|
|
778 |
|
|
779 |
|
|
780 |
|
|
781 |
|
|
782 |
|
|
783 |
|
|
784 |
|
|
785 |
|
|
786 |
|
|
787 |
|
public IRender[] getBody() |
788 |
|
{ |
789 |
0 |
return _body; |
790 |
|
} |
791 |
|
|
792 |
|
|
793 |
|
|
794 |
|
|
795 |
|
|
796 |
|
|
797 |
|
|
798 |
|
|
799 |
|
public int getBodyCount() |
800 |
|
{ |
801 |
0 |
return _bodyCount; |
802 |
|
} |
803 |
|
|
804 |
|
|
805 |
|
|
806 |
|
|
807 |
|
|
808 |
|
|
809 |
|
|
810 |
|
|
811 |
|
|
812 |
|
|
813 |
|
public void pageEndRender(PageEvent event) |
814 |
|
{ |
815 |
0 |
} |
816 |
|
|
817 |
|
|
818 |
|
|
819 |
|
|
820 |
|
|
821 |
|
public final boolean isRendering() |
822 |
|
{ |
823 |
4 |
return _rendering; |
824 |
|
} |
825 |
|
|
826 |
|
|
827 |
|
|
828 |
|
|
829 |
|
|
830 |
|
|
831 |
|
|
832 |
|
|
833 |
|
protected final boolean isInActiveState() |
834 |
|
{ |
835 |
0 |
return _active; |
836 |
|
} |
837 |
|
|
838 |
|
|
839 |
|
public final void enterActiveState() |
840 |
|
{ |
841 |
0 |
_active = true; |
842 |
0 |
} |
843 |
|
|
844 |
|
|
845 |
|
|
846 |
|
protected final void checkActiveLock() |
847 |
|
{ |
848 |
13 |
if (_active) |
849 |
0 |
throw new UnsupportedOperationException(TapestryMessages.componentIsLocked(this)); |
850 |
13 |
} |
851 |
|
|
852 |
|
public Messages getMessages() |
853 |
|
{ |
854 |
1 |
throw new IllegalStateException(TapestryMessages.providedByEnhancement("getMessages")); |
855 |
|
} |
856 |
|
|
857 |
|
public IComponentSpecification getSpecification() |
858 |
|
{ |
859 |
1 |
throw new IllegalStateException(TapestryMessages.providedByEnhancement("getSpecification")); |
860 |
|
} |
861 |
|
|
862 |
|
|
863 |
|
public final IContainedComponent getContainedComponent() |
864 |
|
{ |
865 |
1 |
return _containedComponent; |
866 |
|
} |
867 |
|
|
868 |
|
|
869 |
|
public final void setContainedComponent(IContainedComponent containedComponent) |
870 |
|
{ |
871 |
3 |
Defense.notNull(containedComponent, "containedComponent"); |
872 |
|
|
873 |
3 |
if (_containedComponent != null) |
874 |
1 |
throw new ApplicationRuntimeException(TapestryMessages |
875 |
|
.attemptToChangeContainedComponent(this)); |
876 |
|
|
877 |
2 |
_containedComponent = containedComponent; |
878 |
2 |
} |
879 |
|
|
880 |
|
|
881 |
|
|
882 |
|
|
883 |
|
public IComponentEventInvoker getEventInvoker() |
884 |
|
{ |
885 |
0 |
throw new IllegalStateException(TapestryMessages.providedByEnhancement("getEventInvoker")); |
886 |
|
} |
887 |
|
|
888 |
|
|
889 |
|
|
890 |
|
|
891 |
|
public void triggerEvent(IRequestCycle cycle, BrowserEvent event) |
892 |
|
{ |
893 |
0 |
getEventInvoker().invokeListeners(this, cycle, event); |
894 |
0 |
} |
895 |
|
|
896 |
|
public ComponentRenderWorker getRenderWorker() |
897 |
|
{ |
898 |
0 |
throw new IllegalStateException(TapestryMessages.providedByEnhancement("getRenderWorker")); |
899 |
|
} |
900 |
|
|
901 |
|
|
902 |
|
|
903 |
|
|
904 |
|
public boolean isStateful() |
905 |
|
{ |
906 |
2 |
return false; |
907 |
|
} |
908 |
|
|
909 |
|
|
910 |
|
|
911 |
|
|
912 |
|
public int hashCode() |
913 |
|
{ |
914 |
4 |
final int prime = 31; |
915 |
4 |
int result = 1; |
916 |
4 |
result = prime * result + ((getClientId() == null) ? 0 : getClientId().hashCode()); |
917 |
4 |
result = prime * result + ((_id == null) ? 0 : _id.hashCode()); |
918 |
4 |
return result; |
919 |
|
} |
920 |
|
|
921 |
|
|
922 |
|
|
923 |
|
|
924 |
|
public boolean equals(Object obj) |
925 |
|
{ |
926 |
400 |
if (this == obj) return true; |
927 |
6 |
if (obj == null) return false; |
928 |
6 |
if (getClass() != obj.getClass()) return false; |
929 |
0 |
final AbstractComponent other = (AbstractComponent) obj; |
930 |
0 |
if (getClientId() == null) { |
931 |
0 |
if (other.getClientId() != null) return false; |
932 |
0 |
} else if (!getClientId().equals(other.getClientId())) return false; |
933 |
0 |
if (_id == null) { |
934 |
0 |
if (other._id != null) return false; |
935 |
0 |
} else if (!_id.equals(other._id)) return false; |
936 |
0 |
return true; |
937 |
|
} |
938 |
|
} |