[richfaces-issues] [JBoss JIRA] Resolved: (RF-961) Drag'n Drop: dragValue is null, when dragging across different regions
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https://jira.jboss.org/jira/browse/RF-961?page=com.atlassian.jira.plugin....
]
Nick Belaevski resolved RF-961.
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Resolution: Done
Assignee: Tsikhon Kuprevich (was: Nick Belaevski)
Drag'n Drop: dragValue is null, when dragging across different
regions
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Key: RF-961
URL: https://jira.jboss.org/jira/browse/RF-961
Project: RichFaces
Issue Type: Bug
Components: planning_all
Affects Versions: 3.1.0
Reporter: Maksim Kaszynski
Assignee: Tsikhon Kuprevich
Fix For: 3.3.0
Original Estimate: 1 day
Remaining Estimate: 1 day
On the following page, dragValue is null.
In terms of JSF concepts, everything is correct - other regions just don't get
processed.
maybe, we should hack it in some way.
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
<%@ taglib uri="http://labs.jboss.com/jbossrichfaces/ui/drag-drop"
prefix="rich"%>
<%@ taglib uri="http://labs.jboss.com/jbossrichfaces/ui/panel"
prefix="p"%>
<%@ taglib uri="http://labs.jboss.com/jbossrichfaces/ui/dataTable"
prefix="t"%>
<html>
<head>
</head>
<body>
<f:view>
<center><rich:dragIndicator
id="indicator"></rich:dragIndicator>
<h:form>
<h:panelGrid styleClass="generalTable">
<a4j:region>
<p:panel>
<t:dataTable id="iItems"
value="#{PjCreationDataBean.initItems}" var="item">
<t:column>
<a4j:outputPanel style="border:1px;">
<rich:dragSupport dragType="item"
dragIndicator=":indicator"
dragValue="#{item}">
<rich:dndParam name="label" value="#{item.item}" />
</rich:dragSupport>
<h:outputText value="#{item.item}" />
</a4j:outputPanel>
</t:column>
</t:dataTable>
</p:panel>
</a4j:region>
<a4j:region>
<p:panel>
<rich:dropSupport acceptedTypes="item"
dropListener="#{WeaponDropListener.processDrop}"
dropValue="#{PjCreationDataBean.selectedItems}"
reRender="sItems">
</rich:dropSupport>
<t:dataTable id="sItems"
value="#{PjCreationDataBean.selectedItems}" var="item">
<t:column>
<a4j:outputPanel style="border:1px;">
<h:outputText value="#{item.item}" />
</a4j:outputPanel>
</t:column>
</t:dataTable>
</p:panel>
</a4j:region>
</h:panelGrid>
<center>
</h:form>
</f:view>
</body>
</html>
public class WeaponDropListener implements DropListener{
public void processDrop(DropEvent event) {
Dropzone dropZone = (Dropzone) event.getComponent();
ArrayList<InitItem> selected = (ArrayList) dropZone.getDropValue();
System.err.print(selected.size());
Object ob = event.getDragValue();
System.out.println("DragValue " + event.getDragValue());
System.out.println("DropValue " + event.getDropValue());
if(ob == null)
System.err.print("objeto nulo");
selected.add((InitItem) event.getDragValue());
}
}
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