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package org.apache.tapestry.internal.event.impl; |
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import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap; |
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import org.apache.hivemind.util.Defense; |
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import org.apache.tapestry.*; |
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import org.apache.tapestry.event.BrowserEvent; |
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import org.apache.tapestry.event.ResetEventListener; |
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import org.apache.tapestry.form.FormSupport; |
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import org.apache.tapestry.internal.event.ComponentEventProperty; |
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import org.apache.tapestry.internal.event.EventBoundListener; |
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import org.apache.tapestry.internal.event.IComponentEventInvoker; |
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import org.apache.tapestry.listener.ListenerInvoker; |
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import org.apache.tapestry.spec.IComponentSpecification; |
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import org.apache.tapestry.spec.IEventListener; |
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|
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Map; |
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|
37 | 0 | public class ComponentEventInvoker implements IComponentEventInvoker, ResetEventListener |
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{ |
39 | 0 | static final ComponentEventProperty[] EMPTY_PROPERTIES = new ComponentEventProperty[0]; |
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|
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|
42 | 0 | private Map _components = new ConcurrentHashMap(); |
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44 | 0 | private Map _formComponents = new ConcurrentHashMap(); |
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|
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private ListenerInvoker _invoker; |
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|
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49 | 0 | private Map _propertyCache = new ConcurrentHashMap(); |
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public void invokeListeners(IComponent component, IRequestCycle cycle, BrowserEvent event) |
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{ |
56 | 0 | Defense.notNull(component, "component"); |
57 | 0 | Defense.notNull(cycle, "cycle"); |
58 | 0 | Defense.notNull(event, "event"); |
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|
60 | 0 | invokeComponentListeners(component, cycle, event); |
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|
62 | 0 | invokeElementListeners(component, cycle, event); |
63 | 0 | } |
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public void invokeFormListeners(FormSupport formSupport, final IRequestCycle cycle, final BrowserEvent event) |
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{ |
70 | 0 | Defense.notNull(formSupport, "formSupport"); |
71 | 0 | Defense.notNull(cycle, "cycle"); |
72 | 0 | Defense.notNull(event, "event"); |
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|
74 | 0 | IForm form = formSupport.getForm(); |
75 | 0 | String formIdPath = form.getExtendedId(); |
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|
77 | 0 | String targetId = (String)event.getTarget().get("id"); |
78 | 0 | String componentIdPath = event.getComponentIdPath(); |
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|
80 | 0 | if (targetId == null || componentIdPath == null) |
81 | 0 | return; |
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|
83 | 0 | List comps = getFormEventListeners(formIdPath); |
84 | 0 | if (comps == null) |
85 | 0 | return; |
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|
87 | 0 | boolean disableFocus = false; |
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|
89 | 0 | for (int i=0; i < comps.size(); i++) |
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{ |
91 | 0 | IComponentSpecification spec = (IComponentSpecification)comps.get(i); |
92 | 0 | EventBoundListener[] listeners = spec.getFormEvents(formIdPath, event); |
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|
94 | 0 | IPage page = form.getPage(); |
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96 | 0 | for (int e=0; e < listeners.length; e++) |
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{ |
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|
100 | 0 | if (!listeners[e].getComponentId().equals(componentIdPath)) |
101 | 0 | continue; |
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|
106 | 0 | if (!listeners[e].isValidateForm()) |
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{ |
108 | 0 | form.getDelegate().clearErrors(); |
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} |
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|
112 | 0 | if (!disableFocus && !listeners[e].shouldFocusForm()) |
113 | 0 | disableFocus = true; |
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|
115 | 0 | IComponent target = page.getNestedComponent(listeners[e].getComponentIdPath()); |
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|
119 | 0 | form.addDeferredRunnable( |
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new FormRunnable(target.getListeners().getListener(listeners[e].getMethodName()), |
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target, |
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cycle)); |
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} |
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} |
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129 | 0 | if (disableFocus) |
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{ |
131 | 0 | cycle.disableFocus(); |
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} |
133 | 0 | } |
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|
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void invokeComponentListeners(IComponent component, IRequestCycle cycle, BrowserEvent event) |
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{ |
137 | 0 | String idPath = component.getExtendedId(); |
138 | 0 | List listeners = getEventListeners(idPath); |
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|
140 | 0 | if (listeners == null) |
141 | 0 | return; |
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|
143 | 0 | IPage page = component.getPage(); |
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|
145 | 0 | for (int i = 0; i < listeners.size(); i++) |
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{ |
147 | 0 | IComponentSpecification listener = (IComponentSpecification)listeners.get(i); |
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|
149 | 0 | ComponentEventProperty props = listener.getComponentEvents(idPath); |
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|
151 | 0 | if (props == null) |
152 | 0 | continue; |
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|
154 | 0 | List clisteners = props.getEventListeners(event.getName()); |
155 | 0 | for (int e=0; e < clisteners.size(); e++) |
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{ |
157 | 0 | EventBoundListener eventListener = (EventBoundListener)clisteners.get(e); |
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|
159 | 0 | IComponent target = page.getNestedComponent(eventListener.getComponentIdPath()); |
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|
161 | 0 | _invoker.invokeListener(target.getListeners().getListener(eventListener.getMethodName()), target, cycle); |
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} |
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|
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} |
165 | 0 | } |
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|
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void invokeElementListeners(IComponent component, IRequestCycle cycle, BrowserEvent event) |
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{ |
169 | 0 | String targetId = (String)event.getTarget().get("id"); |
170 | 0 | if (targetId == null) |
171 | 0 | return; |
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|
173 | 0 | ComponentEventProperty prop = component.getSpecification().getElementEvents(targetId); |
174 | 0 | if (prop == null) |
175 | 0 | return; |
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|
177 | 0 | List listeners = prop.getEventListeners(event.getName()); |
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|
179 | 0 | for (int i=0; i < listeners.size(); i++) |
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{ |
181 | 0 | EventBoundListener listener = (EventBoundListener)listeners.get(i); |
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|
183 | 0 | _invoker.invokeListener(component.getListeners().getListener(listener.getMethodName()), component, cycle); |
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} |
185 | 0 | } |
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|
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|
188 | 0 | class FormRunnable implements Runnable { |
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|
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private IActionListener _listener; |
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private IComponent _component; |
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private IRequestCycle _cycle; |
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|
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public FormRunnable(IActionListener listener, IComponent comp, IRequestCycle cycle) |
195 | 0 | { |
196 | 0 | _listener = listener; |
197 | 0 | _component = comp; |
198 | 0 | _cycle = cycle; |
199 | 0 | } |
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|
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public void run() |
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{ |
203 | 0 | _invoker.invokeListener(_listener, _component, _cycle); |
204 | 0 | } |
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} |
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public void addEventListener(String componentId, IComponentSpecification listener) |
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{ |
212 | 0 | List listeners = (List)_components.get(componentId); |
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|
214 | 0 | if (listeners == null) |
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{ |
216 | 0 | listeners = new ArrayList(); |
217 | 0 | _components.put(componentId, listeners); |
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} |
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|
220 | 0 | if (!listeners.contains(listener)) |
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{ |
222 | 0 | listeners.add(listener); |
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} |
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|
225 | 0 | _propertyCache.remove(componentId); |
226 | 0 | } |
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public List getEventListeners(String componentId) |
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{ |
233 | 0 | if (componentId == null) |
234 | 0 | return null; |
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|
236 | 0 | return (List)_components.get(componentId); |
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} |
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|
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public ComponentEventProperty[] getEventPropertyListeners(String componentIdPath) |
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{ |
241 | 0 | if (componentIdPath == null) |
242 | 0 | return EMPTY_PROPERTIES; |
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|
244 | 0 | ComponentEventProperty[] ret = (ComponentEventProperty[])_propertyCache.get(componentIdPath); |
245 | 0 | if (ret != null) |
246 | 0 | return ret; |
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|
248 | 0 | List listeners = getEventListeners(componentIdPath); |
249 | 0 | if (listeners == null || listeners.size() < 1) |
250 | 0 | return EMPTY_PROPERTIES; |
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|
252 | 0 | List props = new ArrayList(); |
253 | 0 | for (int i=0; i < listeners.size(); i++) |
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{ |
255 | 0 | IEventListener listener = (IEventListener)listeners.get(i); |
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|
257 | 0 | props.add(listener.getComponentEvents(componentIdPath)); |
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} |
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|
260 | 0 | ret = (ComponentEventProperty[])props.toArray(new ComponentEventProperty[props.size()]); |
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|
262 | 0 | _propertyCache.put(componentIdPath, ret); |
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|
264 | 0 | return ret; |
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} |
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|
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public void addFormEventListener(String formId, IComponentSpecification listener) |
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{ |
272 | 0 | List listeners = (List)_formComponents.get(formId); |
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|
274 | 0 | if (listeners == null) |
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{ |
276 | 0 | listeners = new ArrayList(); |
277 | 0 | _formComponents.put(formId, listeners); |
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} |
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|
280 | 0 | if (!listeners.contains(listener)) |
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{ |
282 | 0 | listeners.add(listener); |
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} |
284 | 0 | } |
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public List getFormEventListeners(String formId) |
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{ |
291 | 0 | if (formId == null) |
292 | 0 | return null; |
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|
294 | 0 | return (List)_formComponents.get(formId); |
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} |
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|
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public void resetEventDidOccur() |
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{ |
302 | 0 | _components.clear(); |
303 | 0 | _formComponents.clear(); |
304 | 0 | _propertyCache.clear(); |
305 | 0 | } |
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|
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|
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public void setInvoker(ListenerInvoker invoker) |
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{ |
310 | 0 | _invoker = invoker; |
311 | 0 | } |
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} |