我的项目中有一个datatable
,它具有editable
属性true
,它使用rowEditor
编辑其中的值。所以我在delete
这个值上放了一个按钮,当用户开始编辑一行时,我想阻止删除按钮。我正在使用Jquery函数来做到这一点。但是我有一个问题,当通过Java Server Faces
验证值时,将启用删除按钮。所以我不知道最好的方法。
数据表代码
<p:dataTable id="tabelaVigenciaCorrente" editable="true"
value="#{tabelaTaxaBean.pojo.vigenciaCorrente.faixas}"
emptyMessage="Adicione pelo menos uma faixa" var="corrente"
sortBy="prazoMinimo">
<p:ajax event="rowEditInit" oncomplete="disableDataTableButtonExcluir();"/>
<p:ajax event="rowEdit" update=":form:messages" oncomplete="enableDataTableButtonExcluir();"/>
<p:ajax event="rowEditCancel" oncomplete="enableDataTableButtonExcluir();"/>
<f:facet name="header">
<div align="left">
<p:outputLabel value="#{tabelaTaxaBean.cabecalhoVigenciaCorrente}" />
</div>
</f:facet>
<p:column headerText="Prazo (em meses)" styleClass="columnRight">
<p:cellEditor>
<f:facet name="output">
<p:outputLabel
value="#{corrente.prazoMinimo} a #{corrente.prazoMaximo}" />
</f:facet>
<f:facet name="input">
<p:inputText label="Prazo inicial"
value="#{corrente.prazoMinimo}" size="8" maxlength="3"
onkeypress="mascara(this, soNumeros)" required="true" />
<p:inputText label="Prazo final" value="#{corrente.prazoMaximo}"
size="8" maxlength="3" onkeypress="mascara(this, soNumeros)"
required="true" />
</f:facet>
</p:cellEditor>
</p:column>
<p:column headerText="Taxa de juros" styleClass="columnRight">
<p:cellEditor>
<f:facet name="output">
<p:outputLabel value="#{corrente.taxaJuros}">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:outputLabel>
<p:outputLabel value="%" />
</f:facet>
<f:facet name="input">
<p:inputText label="Taxa de juros" value="#{corrente.taxaJuros}"
onkeypress="mascara(this,valorMonetario)" size="11"
maxlength="6" required="true">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:inputText>
</f:facet>
</p:cellEditor>
</p:column>
<p:column headerText="Taxa diferenciada para o banco/empresa" styleClass="columnRight">
<p:cellEditor>
<f:facet name="output">
<p:outputLabel value="#{corrente.taxaDiferenciadaParaBanco}">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:outputLabel>
<p:outputLabel
value="#{corrente.taxaDiferenciadaParaBanco == null ? '' : '%'}" />
</f:facet>
<f:facet name="input">
<p:inputText label="Taxa diferenciada para o banco/empresa"
value="#{corrente.taxaDiferenciadaParaBanco}"
onkeypress="mascara(this,valorMonetario)" size="11"
maxlength="6">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:inputText>
</f:facet>
</p:cellEditor>
</p:column>
<p:column headerText="Comissão" styleClass="columnRight">
<p:cellEditor>
<f:facet name="output">
<p:outputLabel value="#{corrente.comissao}">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:outputLabel>
<p:outputLabel value="%" />
</f:facet>
<f:facet name="input">
<p:inputText label="Comissão" value="#{corrente.comissao}"
onkeypress="mascara(this,valorMonetario)" size="11"
maxlength="6" required="true">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:inputText>
</f:facet>
</p:cellEditor>
</p:column>
<p:column headerText="Complemento" styleClass="columnRight">
<p:cellEditor>
<f:facet name="output">
<p:outputLabel value="#{corrente.complementoComissao}">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:outputLabel>
<p:outputLabel
value="#{corrente.complementoComissao == null ? '' : '%'}" />
</f:facet>
<f:facet name="input">
<p:inputText label="Complemento"
value="#{corrente.complementoComissao}"
onkeypress="mascara(this,valorMonetario)" size="11"
maxlength="6">
<f:convertNumber locale="pt_BR" minFractionDigits="2"
maxFractionDigits="2" />
</p:inputText>
</f:facet>
</p:cellEditor>
</p:column>
<p:column headerText="Ação" styleClass="coluna-acao">
<p:rowEditor/>
<p:commandButton id="btnExcluirFaixaCorrente" process="@this" disabled="false"
styleClass="botaoImagem" icon="botaoExcluir" title="Excluir"
oncomplete="confirmationFaixaExclusao.show()">
<f:setPropertyActionListener
target="#{tabelaTaxaBean.vigenciaTipo}" value="corrente" />
<f:setPropertyActionListener target="#{tabelaTaxaBean.faixa}"
value="#{corrente}" />
</p:commandButton>
</p:column>
<f:facet name="footer">
<div align="right">
<p:commandButton
disabled="#{tabelaTaxaBean.pojo.vigenciaCorrente == null}"
process="@this" value="Adicionar faixa"
update=":dialogAdicionarFaixa" oncomplete="dlgFaixa.show();"
action="#{tabelaTaxaBean.criarFaixa}" >
<f:setPropertyActionListener
target="#{tabelaTaxaBean.vigenciaTipo}" value="corrente" />
</p:commandButton>
<p:commandButton process="@this" update=":dialogVigencia"
oncomplete="dlgVigencia.show()" value="Editar vigência"
action="#{tabelaTaxaBean.editarVigencia}"
disabled="#{(tabelaTaxaBean.pojo.vigenciaCorrente == null) || (tabelaTaxaBean.pojo.vigenciaProxima != null)}" >
<f:setPropertyActionListener
target="#{tabelaTaxaBean.vigenciaTipo}" value="corrente" />
</p:commandButton>
<p:commandButton process="@this" update=":dialogVigencia"
oncomplete="confirmationVigenciaExclusao.show()"
value="Excluir vigência"
disabled="#{(tabelaTaxaBean.pojo.vigenciaCorrente == null) || (tabelaTaxaBean.pojo.vigenciaProxima != null)}">
<f:setPropertyActionListener
target="#{tabelaTaxaBean.vigenciaTipo}" value="corrente" />
</p:commandButton>
</div>
</f:facet>
</p:dataTable>
我的功能
function disableDataTableButtonExcluir() {
if ($('span.ui-icon.ui-icon-pencil').is(':hidden')) {
$('span.ui-button-icon-left.ui-icon.ui-c.botaoExcluir').prop("disabled", true).addClass('ui-state-disabled');
}
}
function enableDataTableButtonExcluir() {
if ($('tr.ui-widget-content.ui-row-editing.ui-state-error.ui-datatable-even').length == 0) {
if (!$('span.ui-icon.ui-icon-pencil').is(':hidden')) {
$('button[id*="btnExcluirFaixa"]').removeAttr("disabled").removeClass('ui-state-disabled');;
}
}
}
那我该怎么办?
您可以使用p:commandButton
的客户端API函数从Javascript启用禁用按钮。
<< img src =“ https://image.soinside.com/eyJ1cmwiOiAiaHR0cHM6Ly9pLnN0YWNrLmltZ3VyLmNvbS91NWh4NC5wbmcifQ==” alt =“在此处输入图像描述”>
示例:
<p:commandButton widgetVar="myCmdBtn"/>
要禁用Java语言使用:
myCmdBtn.disable();
要从Java语言启用,请使用:
myCmdBtn.enable();
我完成了!
首先,我为这两个按钮创建了enable
和disable
两个方法。
function disableBtnCorrenteExcluir() {
$('button[id*="tabelaVigenciaCorrente"]').prop('disabled', true).addClass('ui-state-disabled');
}
function enableBtnCorrenteExcluir() {
$('button[id*="tabelaVigenciaCorrente"]').removeClass('ui-state-disabled');
}
因此,使用上面的这些代码,我得到了所有与id
部分匹配tabelaVigenciaCorrente
的按钮,并添加了Jquery Ui
类以使disable
成为可能。第二种方法是删除此类。
<p:ajax event="rowEditInit" onstart="disableBtnCorrenteExcluir();" />
<p:ajax event="rowEdit" oncomplete="if (args.validationFailed) disableBtnCorrenteExcluir(); else enableBtnCorrenteExcluir();" />
<p:ajax event="rowEditCancel" oncomplete="enableBtnCorrenteExcluir();" />
而且我将这些方法称为上述方法。在rowEdit
事件中,我需要检查JSF validation
throws
。因为按钮可以解锁。
在我的代码中,我使用可通过datatable
编辑的cellEditor
。
谢谢