我想基于在同一页面中显示内容细节来实现更新功能。现在我可以看到内容细节了。但是我无法在同一页面中更新消息。我调试它，我在java中得到null对象。我无法获得任何输入值 有人帮我查一下吗？这是什么原因？谢谢。
<pe:dynaForm id="dynaForm" value="#{anotherDynaFormController.model}" var="data"
openExtended="true" widgetVar="dynaFormWidget">
<pe:dynaFormControl styleClass="pe-dynaform-label">
<h:outputText value="#{data}"/>
</pe:dynaFormControl>
<pe:dynaFormControl type="separator" styleClass="separator ui-state-disabled">
<h:panelGrid columns="2" style="width:100%;" columnClasses="separatorText">
<h:outputText value="#{data}"/>
<p:separator/>
</h:panelGrid>
</pe:dynaFormControl>
<!--
<pe:dynaFormControl type="name" for="autocompl">
<p:autoComplete id="autocompl" value="#{anotherDynaFormController.name}" required="#{data.required}"
dropdown="true" completeMethod="#{anotherDynaFormController.complete}" style="width:280px;align:left;"/>
</pe:dynaFormControl>
-->
<pe:dynaFormControl type="name" for="txt">
<h:inputText id="nametxt" value="#{anotherDynaFormController.name}" required="#{data.required}" style="width:320px;align:left;" rendered="#{anotherDynaFormController.editable}" />
<h:outputText id="nametxt2" value="#{anotherDynaFormController.name}" style="width:320px;align:left;" rendered="#{not anotherDynaFormController.editable}" />
</pe:dynaFormControl>
<pe:dynaFormControl type="description" for="txt">
<h:inputText id="descriptiontxt" value="#{anotherDynaFormController.description}" style="width:320px;align:left;" rendered="#{anotherDynaFormController.editable}" />
<h:outputText id="descriptiontxt2" value="#{anotherDynaFormController.description}" style="width:320px;align:left;" rendered="#{not anotherDynaFormController.editable}" />
</pe:dynaFormControl>
<pe:dynaFormControl type="givenstories" for="txt">
<h:inputText id="givenstoriestxt" value="#{anotherDynaFormController.givenStories}" style="width:320px;align:left;" rendered="#{anotherDynaFormController.editable}"/>
<h:outputText id="givenstoriestxt2" value="#{anotherDynaFormController.givenStories}" style="width:320px;align:left;" rendered="#{not anotherDynaFormController.editable}" />
</pe:dynaFormControl>
<pe:dynaFormControl type="parent" for="txt">
<h:inputText id="parenttxt" value="#{anotherDynaFormController.parent}" style="width:320px;align:left;" rendered="#{anotherDynaFormController.editable}" />
<h:outputText id="parenttxt2" value="#{anotherDynaFormController.parent}" style="width:320px;align:right;" rendered="#{not anotherDynaFormController.editable}" />
</pe:dynaFormControl>
<pe:dynaFormControl type="meta" for="txt">
<h:inputText id="metatxt" value="#{anotherDynaFormController.meta}" style="width:320px;align:left;" rendered="#{anotherDynaFormController.editable}" />
<h:outputText id="metatxt2" value="#{anotherDynaFormController.meta}" style="width:320px;text-align:right;" rendered="#{not anotherDynaFormController.editable}" /> </pe:dynaFormControl>
<pe:dynaFormControl type="tag" for="txt">
<h:inputText id="tagtxt" value="#{anotherDynaFormController.tag}" style="width:320px;align:left;" rendered="#{anotherDynaFormController.editable}" />
<h:outputText id="tagtxt2" value="#{anotherDynaFormController.tag}" style="width:320px;align:left;" rendered="#{not anotherDynaFormController.editable}" />
</pe:dynaFormControl>
<pe:dynaFormControl type="stepnumber" for="txt" style="float:right;text-align:right;">
<h:outputText id="txtstepnumber" value="#{data.value}" style="float:right;width:80px;text-align:right;"/>
</pe:dynaFormControl>
<pe:dynaFormControl type="steptype" for="txt" style="float:left;text-align:left;">
<p:inputText id="txtsteptype" value="#{data.value}" style="width:80px;align:left;" required="#{data.required}"/>
</pe:dynaFormControl>
<pe:dynaFormControl type="step" for="txt" style="float:left;text-align:left;">
<p:inputText id="txtstep" value="#{data.value}" style="width:600px;align:left;" required="#{data.required}"/>
</pe:dynaFormControl>
<f:facet id="facetcommand" name="buttonBar">
<p:commandButton value="Edit" action="#{anotherDynaFormController.editAction}" rendered="#{not anotherDynaFormController.editable}" process="dynaForm" update=":mainForm:dynaFormGroup" />
<p:commandButton value="Save" action="#{anotherDynaFormController.submitForm}"
process="dynaForm"
oncomplete="handleComplete(xhr, status, args)"/>
</f:facet>
</pe:dynaForm>
<p:messages id="messages" showSummary="true"/>
</p:panel>
</h:panelGroup>
<p:dialog header="Input values" widgetVar="inputValuesWidget">
<h:panelGroup id="inputValues" layout="block" style="margin:10px;">
<h:outputText value="#{anotherDynaFormController.formFields}" escape="false"/>
</h:panelGroup>
</p:dialog>
支持Bean：
@ManagedBean
@ViewScoped
public class AnotherDynaFormController implements Serializable {
private static final long serialVersionUID = 20120423L;
private DynaFormModel modelOne;
private DynaFormModel modelTwo;
private boolean showModelOne = true;
private String tabTitle;
private Integer selectedItemId;
private Integer selectedItemType = 0;
private String name;
private String description;
private String meta;
private String tag;
private String givenStories;
private String parent;
private Integer stepNumber = 1;
private String stepType = "";;
private String step = "";
private ProjectTreeDao projectTreeDao;
private ScenarioMetaDao scenarioMetaDao;
private ScenarioDao scenarioDao;
private StepDao stepDao;
private MetaDao metaDao;
boolean editable = false;
// Scenariob scenariob = new Scenariob();
AnotherDynaFormController anotherDynaFormController;
public AnotherDynaFormController() {
}
public AnotherDynaFormController (String name, String description, String meta, String tag, String givenStories, String parent) {
this.name = name;
this.description = description;
this.meta = meta;
this.tag = tag;
this.givenStories = givenStories;
this.parent = parent;
}
public DynaFormModel getModel() {
projectTreeDao = new ProjectTreeDao();
scenarioMetaDao = new ScenarioMetaDao();
scenarioDao = new ScenarioDao();
stepDao = new StepDao();
metaDao = new MetaDao();
System.out.println("selected item id ==================== "+selectedItemId);
System.out.println("selected item type ==================== "+selectedItemType);
if (selectedItemType == 0) {
// return (showModelOne ? getModelOne() : getModelTwo());
if (showModelOne) {
return getModelOne();
} else {
return getModelTwo();
}
} else {
return getModelOne();
}
}
public DynaFormModel getModelOne() {
if (modelOne != null) {
return modelOne;
}
modelOne = new DynaFormModel();
DynaFormRow row = modelOne.createRegularRow();
DynaFormLabel label11 = row.addLabel("Name", 1, 1);
DynaFormLabel label12 = row.addLabel("Description", 2, 1);
row = modelOne.createRegularRow();
DynaFormControl control21 = row.addControl(new FormField(true), "name", 1, 1);
DynaFormControl control22 = row.addControl(new FormField(false), "description", 2, 1);
label11.setForControl(control21);
label12.setForControl(control22);
row = modelOne.createRegularRow();
DynaFormLabel label51 = row.addLabel("GivenStories", 1, 1);
DynaFormLabel label52 = row.addLabel("Parent", 2, 1);
row = modelOne.createRegularRow();
DynaFormControl control61 = row.addControl(new FormField(true), "givenstories", 1, 1);
DynaFormControl control62 = row.addControl(new FormField(true), "parent", 2, 1);
label51.setForControl(control61);
label52.setForControl(control62);
row = modelOne.createRegularRow();
DynaFormLabel label31 = row.addLabel("Meta", 1, 1);
DynaFormLabel label32 = row.addLabel("Tag", 2, 1);
row = modelOne.createRegularRow();
DynaFormControl control41 = row.addControl(new FormField(true), "meta", 1, 1);
DynaFormControl control42 = row.addControl(new FormField(true), "tag", 2, 1);
label31.setForControl(control41);
label32.setForControl(control42);
return modelOne;
}
enter code here
public DynaFormModel getModelTwo() {
/*... some code */
return modelTwo;
}
public String switchModel() {
showModelOne = !showModelOne;
// reset models (simulate new loading)
if (showModelOne) {
if (selectedItemType == 0)
setTabTitle("Scenario");
modelOne = null;
} else {
if (selectedItemType == 0)
setTabTitle("Step");
modelTwo = null;
}
return null;
}
public List<String> complete(String query) {
List<String> results = new ArrayList<String>();
char letter;
for (letter = 'a'; letter <= 'm'; letter++) {
results.add(query + letter);
}
return results;
}
public String getFormFields() {
DynaFormModel model = (showModelOne ? getModelOne() : getModelTwo());
if (model == null) {
return null;
}
StringBuilder sb = new StringBuilder();
for (DynaFormControl dynaFormControl : model.getControls()) {
if (dynaFormControl.getData() instanceof FormField) {
FormField ff = (FormField) dynaFormControl.getData();
if (ff.getValue() != null && StringUtils.isNotBlank(ff.getValue().toString())) {
sb.append(ff.getValue());
sb.append("<br/>");
}
}
}
return sb.toString();
}
public String editAction() {
setEditable(true);
return null;
}
public String submitForm() {
FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap();
System.out.println("########## selectedItemId: "+selectedItemId);
/* I want to get the param from update pages, such as name description, id etc */
System.out.println("########## anotherDynaFormController: "+anotherDynaFormController);
System.out.println("########## name: "+name);
System.out.println("########## description: "+description);
FacesMessage.Severity sev = FacesContext.getCurrentInstance().getMaximumSeverity();
boolean hasErrors = (sev != null && (FacesMessage.SEVERITY_ERROR.compareTo(sev) >= 0));
RequestContext requestContext = RequestContext.getCurrentInstance();
requestContext.addCallbackParam("isValid", !hasErrors);
return null;
}
public void onRowSelect(SelectEvent event) {
FacesMessage msg = new FacesMessage("Scenario anotherDynaFormController Selected", ((Scenariob) event.getObject()).getName());
if (((Scenariob)event.getObject()).getItemType() == 0) {
if (tabTitle == null || (tabTitle != null && !tabTitle.equals("Step")) )
setTabTitle("Scenario");
} else if (((Scenariob)event.getObject()).getItemType() == 1) {
if (((Scenariob)event.getObject()).getLevel() == 2)
setTabTitle("Product");
else if (((Scenariob)event.getObject()).getLevel() == 3)
setTabTitle("Capability");
else
setTabTitle("Feature");
}
Integer selectedItemId = ((Scenariob) event.getObject()).getId();
Integer selectedItemType = ((Scenariob) event.getObject()).getItemType();
setSelectedItemId(selectedItemId);
setSelectedItemType(selectedItemType);
// setName(((Scenariob)event.getObject()).getName());
// setDescription(((Scenariob)event.getObject()).getDescription());
List<ScenarioMeta> scenariometaList = scenarioMetaDao.searchScenarioMetabyScenario(selectedItemId);
String metaString = "";
for (ScenarioMeta scenarioMeta : scenariometaList) {
Meta meta = metaDao.findMeta(Integer.valueOf(scenarioMeta.getMetaId()));
metaString += meta.getName();
}
// setMeta(metaString);
Integer givenstoriesid = ((Scenariob) event.getObject()).getGivenStories();
// String scenarionameString = "";
String givenstorieString = "";
if (givenstoriesid != null) {
Scenario scenario = scenarioDao.findScenario(givenstoriesid);
givenstorieString = scenario.getName();
// setGivenStories(givenstorieString);
}
Integer parentId = ((Scenariob) event.getObject()).getParent();
String parentnameString = "";
if (parentId != null) {
ProjectTree projectTree = projectTreeDao.findNode(parentId);
parentnameString = projectTree.getName();
// setParent(parentnameString);
}
// AnotherDynaFormController (String name, String description, String meta, String tag, String givenStories, String parent)
anotherDynaFormController = new AnotherDynaFormController(((Scenariob)event.getObject()).getName(),((Scenariob)event.getObject()).getDescription(), metaString,"", givenstorieString, parentnameString);
setEditable(false);
System.out.println("&&&&&&& "+event.getSource() +" id : "+((Scenariob) event.getObject()).getId()+" "+((Scenariob) event.getObject()).getItemType());
System.out.println("*** 22222 onRowSelect onRowSelect!!!! **** "+" "+((Scenariob) event.getObject()).getName());
FacesContext.getCurrentInstance().addMessage(null, msg);
}
public void onRowUnselect(UnselectEvent event) {
FacesMessage msg = new FacesMessage("Car anotherDynaFormController Unselected", ((Scenariob) event.getObject()).getName());
System.out.println("*** 2222 onRowUnselect onRowUnselect!!!! **** ");
FacesContext.getCurrentInstance().addMessage(null, msg);
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getMeta() {
return meta;
}
public void setMeta(String meta) {
this.meta = meta;
}
public String getTag() {
return tag;
}
public void setTag(String tag) {
this.tag = tag;
}
public String getGivenStories() {
return givenStories;
}
public void setGivenStories(String givenStories) {
this.givenStories = givenStories;
}
public String getParent() {
return parent;
}
public void setParent(String parent) {
this.parent = parent;
}
public String getTabTitle() {
return tabTitle;
}
public void setTabTitle(String tabTitle) {
this.tabTitle = tabTitle;
}
public Integer getSelectedItemId() {
return selectedItemId;
}
public void setSelectedItemId(Integer selectedItemId) {
this.selectedItemId = selectedItemId;
}
public Integer getSelectedItemType() {
return selectedItemType;
}
public void setSelectedItemType(Integer selectedItemType) {
this.selectedItemType = selectedItemType;
}
public boolean isShowModelOne() {
return showModelOne;
}
public void setShowModelOne(boolean showModelOne) {
this.showModelOne = showModelOne;
}
public Integer getStepNumber() {
return stepNumber;
}
public void setStepNumber(Integer stepNumber) {
this.stepNumber = stepNumber;
}
public String getStepType() {
return stepType;
}
public void setStepType(String stepType) {
this.stepType = stepType;
}
public String getStep() {
return step;
}
public void setStep(String step) {
this.step = step;
}
public boolean isEditable() {
return editable;
}
public void setEditable(boolean editable) {
this.editable = editable;
}
public AnotherDynaFormController getAnotherDynaFormController() {
if (anotherDynaFormController == null)
anotherDynaFormController = new AnotherDynaFormController();
return anotherDynaFormController;
}
public void setAnotherDynaFormController(
AnotherDynaFormController anotherDynaFormController) {
this.anotherDynaFormController = anotherDynaFormController;
}
}