/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.tobago.internal.taglib.component;
import org.apache.myfaces.tobago.apt.annotation.ExtensionTag;
import org.apache.myfaces.tobago.apt.annotation.Tag;
import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
import org.apache.myfaces.tobago.apt.annotation.UIComponentTagAttribute;
import org.apache.myfaces.tobago.component.Facets;
import org.apache.myfaces.tobago.internal.taglib.AttributeTag;
import org.apache.myfaces.tobago.internal.taglib.ButtonTag;
import org.apache.myfaces.tobago.internal.taglib.GridLayoutTag;
import org.apache.myfaces.tobago.internal.taglib.OutTag;
import org.apache.myfaces.tobago.internal.taglib.PanelTag;
import org.apache.myfaces.tobago.model.Wizard;
import org.apache.myfaces.tobago.model.WizardStep;
import javax.el.ValueExpression;
import javax.faces.context.FacesContext;
import javax.faces.webapp.FacetTag;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyTagSupport;
import java.util.List;
@Tag(name = "wizardTrain")
@ExtensionTag(baseClassName = "org.apache.myfaces.tobago.internal.taglib.component.WizardTrainTag")
public class WizardTrainTag extends BodyTagSupport {
private ValueExpression controller;
private ValueExpression wizard;
@Override
public int doStartTag() throws JspException {
int result = super.doStartTag();
FacesContext facesContext = FacesContext.getCurrentInstance();
Wizard wizardObject = (Wizard) controller.getValue(facesContext.getELContext());
List<WizardStep> course = wizardObject.getCourse();
PanelTag panel = new PanelTag();
panel.setPageContext(pageContext);
panel.setParent(getParent());
panel.doStartTag();
FacetTag facetTag = new FacetTag();
facetTag.setPageContext(pageContext);
facetTag.setName(Facets.LAYOUT);
facetTag.setParent(panel);
facetTag.doStartTag();
GridLayoutTag gridLayoutTag = new GridLayoutTag();
gridLayoutTag.setPageContext(pageContext);
StringBuilder columns = new StringBuilder();
for (WizardStep info : course) {
columns.append("auto;");
}
gridLayoutTag.setColumns(createStringValueExpression(columns + "*"));
gridLayoutTag.setParent(facetTag);
gridLayoutTag.doStartTag();
gridLayoutTag.doEndTag();
facetTag.doEndTag();
for (WizardStep info : course) {
ButtonTag button = new ButtonTag();
button.setPageContext(pageContext);
button.setParent(panel);
//todo button.setAction(info.getOutcome());
//todo button.setActionListener("#{" + wizard + ".gotoStep}");
//todo button.setLabel(info.getTitle());
button.doStartTag();
AttributeTag step = new AttributeTag();
step.setPageContext(pageContext);
step.setParent(button);
//todo step.setName("step");
//todo step.setValue("" + info.getIndex());
step.doStartTag();
step.doEndTag();
button.doEndTag();
}
OutTag spacer = new OutTag();
spacer.setPageContext(pageContext);
spacer.setParent(panel);
//todo spacer.setValue("#{" + wizard + ".index}");
spacer.doStartTag();
spacer.doEndTag();
panel.doEndTag();
return result;
}
protected ValueExpression createStringValueExpression(String expression) {
return FacesContext.getCurrentInstance().getApplication().getExpressionFactory().
createValueExpression(FacesContext.getCurrentInstance().getELContext(), expression, String.class);
}
@Override
public void release() {
super.release();
controller = null;
wizard = null;
}
@TagAttribute(required = true)
@UIComponentTagAttribute
public void setWizard(ValueExpression wizard) {
this.wizard = wizard;
}
@TagAttribute(required = true)
@UIComponentTagAttribute
public void setController(ValueExpression controller) {
this.controller = controller;
}
}