com.sun.webui.jsf.model.WizardStepListBase Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://woodstock.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at https://woodstock.dev.java.net/public/CDDLv1.0.html.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.webui.jsf.model;
import java.util.Iterator;
import java.util.NoSuchElementException;
import com.sun.webui.jsf.component.WizardStep;
public class WizardStepListBase implements WizardStepList {
private WizardModel wModel;
private int currentStep;
private String currentStepNumberString;
public WizardStepListBase(WizardModel wModel) {
this.wModel = wModel;
iterate();
}
public String getCurrentStepNumberString() {
return currentStepNumberString;
}
private static final String DOT = "."; //NOI18N
private static final String SWBRACKET_OPEN = "["; //NOI18N
private static final String SWBRACKET_CLOSE = "["; //NOI18N
protected String formatStepNumber(int stepNumber) {
return String.valueOf(stepNumber);
}
protected String formatSubstepNumber(int stepNumber, int substep) {
return String.valueOf(stepNumber).concat(DOT).
concat(String.valueOf(substep));
}
protected String formatBranch(String placeholderText) {
return SWBRACKET_OPEN.concat(placeholderText).concat(SWBRACKET_CLOSE);
}
// Do this to set up the state of the list,
// basically set up currentStep details.
//
private void iterate() {
Iterator iterator = this.iterator();
while (iterator.hasNext()) {
iterator.next();
}
}
public Iterator iterator() {
return new Iterator() {
private int stepNumber = 0;
private int substep = 0;
private String stepNumberString;
private String placeholderText;
private boolean isBranch;
private Iterator wizardStepIterator = wModel.getWizardStepIterator();
public boolean hasNext() {
return wizardStepIterator.hasNext();
}
public Object next() throws NoSuchElementException {
if (isBranch) {
// Log too
throw new NoSuchElementException(
"No more steps after branch"); //NOI18N
}
boolean isCurrentStep = false;
try {
WizardStep step = (WizardStep) wizardStepIterator.next();
boolean isSubstep = wModel.isSubstep(step);
isBranch = wModel.isBranch(step);
placeholderText = null;
// A substep cannot be the first step.
//
if (isSubstep) {
++substep;
stepNumberString =
formatSubstepNumber(stepNumber, substep);
} else if (isBranch) {
++stepNumber;
substep = 0;
/*
placeholderText =
formatBranch(wModel.getPlaceholderText(step));
*/
stepNumberString = null;
} else {
++stepNumber;
substep = 0;
stepNumberString = formatStepNumber(stepNumber);
}
isCurrentStep = wModel.isCurrentStep(step);
if (isCurrentStep) {
currentStep = stepNumber;
currentStepNumberString = stepNumberString;
}
return new WizardStepListItemBase(step,
stepNumberString, isCurrentStep,
isSubstep, isBranch,
placeholderText,
wModel.canGotoStep(step));
} catch (Exception e) {
NoSuchElementException nse = new NoSuchElementException();
nse.initCause(e);
throw nse;
}
}
public void remove() throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
};
}
}