Presentation d'une table

**Elwe31** · 14/11/2008, 15h28

Bonjour,

Pour ce probleme je ne sais pas trop comment m'y prendre...
J'ai une table comme ça :

Code :

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*--------*---------*------------*
|Chanp1  |Chanp2   |Chanp3	|
*--------*---------*------------*
|AA      |1        |100         |
|AA      |2        |80          |
|BB      |1        |150         |
|CC      |1        |50          |
|CC      |2        |            |
|CC      |3        |110         |

Et je recherche a avoir ça dans la page .jsf:

Code :

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*--------*-----*-----*-----*
|Chanp1  |1    |2    |3    |
*--------*-----*-----*-----*
|AA      |100  |80   |     |
|BB      |150  |     |     |
|CC      |50   |     |110  |

Si quelqu'un a une petite piste, ça serait sympa.

Merci

**Elwe31** · 15/11/2008, 12h37

Voila ce que j'ai essayé :

Code :

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public class Tab {
	private DataModel _columnHeaders;
	private DataModel _data;
 
	public UnitCoeffTab(){
		createHeader();
		createData();
	}
 
	private void createHeader(){
		List<ColumnHeader> headerList = new ArrayList<ColumnHeader>();
		headerList.add(new ColumnHeader("Champs","100",false));
		headerList.add(new ColumnHeader("1","80",false));
		headerList.add(new ColumnHeader("2","80",false));
		headerList.add(new ColumnHeader("3","80",false));
		_columnHeaders = new ListDataModel(headerList);
	}
	private void createData(){
		List<String[]> dataList = new ArrayList<String[]>();
		dataList.add(new String[] {"Toto","100", "200", "300"});
		dataList.add(new String[] {"Tata","130", "80", "800"});
		dataList.add(new String[] {"titi","40", "70", "400"});
		_data = new ListDataModel(dataList);
	}
	public DataModel getColumnHeaders()
	{
		return _columnHeaders;
	}
	public Object getColumnValue()
	{
		Object columnValue = null;
		if (_data.isRowAvailable() && _columnHeaders.isRowAvailable())
		{
		    columnValue = ((List)_data.getRowData()).get(_columnHeaders.getRowIndex());
		}
		return columnValue;
	}
 
	public DataModel get_data()
	{
		return _data;
	}
}

La page:

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 <t:dataTable value="#{tab._data}" var="row">
	<t:columns value="#{tab.columnHeaders}" var="column">
		<f:facet name="header">
		<h:outputText value="#{column.label}" style="width=#{column.width}"/>
		</f:facet>
		<h:outputText value="XXXX"/>
	</t:columns>
</t:dataTable>

Obtient :

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*--------*-----*-----*-----*
|Champs  |1    |2    |3    |
*--------*-----*-----*-----*
|XXX     |XXX  |XXX  |XXX  |
|XXX     |XXX  |XXX  |XXX  |
|XXX     |XXX  |XXX  |XXX  |

si je fais :

Code :

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 <t:dataTable value="#{tab._data}" var="row">
	<t:columns value="#{tab.columnHeaders}" var="column">
		<f:facet name="header">
		<h:outputText value="#{column.label}" style="width=#{column.width}"/>
		</f:facet>
		<h:outputText value="#{row.columnValue}"/>
	</t:columns>
</t:dataTable>

Obtient :

Code :

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exception 
 
javax.servlet.ServletException: javax.faces.FacesException: Could not retrieve value of component with path : {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId: /pages/unitcoeff/unitcoeff.jsp][Class: javax.faces.component.html.HtmlPanelGroup,Id: _idJsp0][Class: javax.faces.component.html.HtmlForm,Id: test][Class: org.apache.myfaces.component.html.ext.HtmlDataTable,Id: _idJsp2][Class: org.apache.myfaces.custom.crosstable.HtmlColumns,Id: _idJsp3][Class: javax.faces.component.html.HtmlOutputText,Id: _idJsp5]}
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:154)
 
 
cause mï¿½re 
 
javax.faces.FacesException: javax.faces.FacesException: Could not retrieve value of component with path : {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId: /pages/unitcoeff/unitcoeff.jsp][Class: javax.faces.component.html.HtmlPanelGroup,Id: _idJsp0][Class: javax.faces.component.html.HtmlForm,Id: test][Class: org.apache.myfaces.component.html.ext.HtmlDataTable,Id: _idJsp2][Class: org.apache.myfaces.custom.crosstable.HtmlColumns,Id: _idJsp3][Class: javax.faces.component.html.HtmlOutputText,Id: _idJsp5]}
	org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
	org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
	org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
 
 
cause mï¿½re 
 
org.apache.jasper.JasperException: javax.faces.FacesException: Could not retrieve value of component with path : {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId: /pages/unitcoeff/unitcoeff.jsp][Class: javax.faces.component.html.HtmlPanelGroup,Id: _idJsp0][Class: javax.faces.component.html.HtmlForm,Id: test][Class: org.apache.myfaces.component.html.ext.HtmlDataTable,Id: _idJsp2][Class: org.apache.myfaces.custom.crosstable.HtmlColumns,Id: _idJsp3][Class: javax.faces.component.html.HtmlOutputText,Id: _idJsp5]}
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:419)
	org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
	org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
 
 
cause mï¿½re 
 
javax.faces.FacesException: Could not retrieve value of component with path : {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId: /pages/unitcoeff/unitcoeff.jsp][Class: javax.faces.component.html.HtmlPanelGroup,Id: _idJsp0][Class: javax.faces.component.html.HtmlForm,Id: test][Class: org.apache.myfaces.component.html.ext.HtmlDataTable,Id: _idJsp2][Class: org.apache.myfaces.custom.crosstable.HtmlColumns,Id: _idJsp3][Class: javax.faces.component.html.HtmlOutputText,Id: _idJsp5]}
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(RendererUtils.java:227)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.renderOutput(HtmlTextRendererBase.java:69)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:57)
	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:419)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:417)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.renderColumnBody(HtmlTableRenderer.java:608)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeColumnChild(HtmlTableRenderer.java:520)
	org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:282)
	org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:134)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:187)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:527)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:414)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:417)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlGroupRendererBase.encodeEnd(HtmlGroupRendererBase.java:78)
	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
	javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:498)
	javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:366)
	org.apache.myfaces.shared_impl.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:57)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspx_meth_h_005fpanelGroup_005f0(unitcoeff_jsp.java:177)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspx_meth_f_005fview_005f0(unitcoeff_jsp.java:127)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspService(unitcoeff_jsp.java:92)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:419)
	org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
	org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
 
 
cause mï¿½re 
 
javax.faces.el.EvaluationException: Cannot get value for expression '#{row.columnValue}'
	org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:405)
	javax.faces.component.UIOutput.getValue(UIOutput.java:80)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(RendererUtils.java:223)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.renderOutput(HtmlTextRendererBase.java:69)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:57)
	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:419)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:417)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.renderColumnBody(HtmlTableRenderer.java:608)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeColumnChild(HtmlTableRenderer.java:520)
	org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:282)
	org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:134)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:187)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:527)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:414)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:417)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlGroupRendererBase.encodeEnd(HtmlGroupRendererBase.java:78)
	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
	javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:498)
	javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:366)
	org.apache.myfaces.shared_impl.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:57)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspx_meth_h_005fpanelGroup_005f0(unitcoeff_jsp.java:177)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspx_meth_f_005fview_005f0(unitcoeff_jsp.java:127)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspService(unitcoeff_jsp.java:92)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:419)
	org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
	org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
 
 
cause mï¿½re 
 
javax.faces.el.ReferenceSyntaxException: Cannot convert index to int for base [Ljava.lang.String; and index columnValue
	org.apache.myfaces.el.ELParserHelper.coerceToIntegerWrapper(ELParserHelper.java:409)
	org.apache.myfaces.el.ELParserHelper.toIndex(ELParserHelper.java:431)
	org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532)
	org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
	org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:386)
	javax.faces.component.UIOutput.getValue(UIOutput.java:80)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(RendererUtils.java:223)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.renderOutput(HtmlTextRendererBase.java:69)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:57)
	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:419)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:417)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.renderColumnBody(HtmlTableRenderer.java:608)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeColumnChild(HtmlTableRenderer.java:520)
	org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:282)
	org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:134)
	org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:187)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:527)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:414)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:417)
	org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
	org.apache.myfaces.shared_impl.renderkit.html.HtmlGroupRendererBase.encodeEnd(HtmlGroupRendererBase.java:78)
	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
	javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:498)
	javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:366)
	org.apache.myfaces.shared_impl.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:57)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspx_meth_h_005fpanelGroup_005f0(unitcoeff_jsp.java:177)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspx_meth_f_005fview_005f0(unitcoeff_jsp.java:127)
	org.apache.jsp.pages.unitcoeff.unitcoeff_jsp._jspService(unitcoeff_jsp.java:92)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:419)
	org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
	org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)

Merci d'avance.

**Elwe31** · 15/11/2008, 18h30

Je ne suis peut'etre pas sur la bonne piste ???

**maisonneuve01** · 15/11/2008, 23h52

D'après l'erreur,
<h:outputText value="#{row.columnValue}"/> attend un String et pas autre chose.
Il suffit de créer une fonction getColumnValueToString qui renvoit un String et d'écrire :
<h:outputText value="#{row.columnValueToString}"/>

**Elwe31** · 16/11/2008, 09h42

Merci pour ta reponse.

J'ai exactement la meme erreur si je fais :

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public String getValue(){
    	return "tructruc";
}

Je l'avais deja tester!!!!
par contre si je fait

Code :

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<t:dataTable value="#{tab._data}" var="row">
	<t:columns value="#{tab.columnHeaders}" var="column">
		<f:facet name="header">
		<h:outputText value="#{column.label}" style="width=#{column.width}"/>
		</f:facet>
		<h:outputText value="#{row}"/>
	</t:columns>
</t:dataTable>
 
J'obtient un tableau qui contient par ligne les valeurs des tableaux. ce qui me semble normal.

Presentation d'une table

JSF Java

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