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/*******************************************************************************
* Copyright (c) 2006 Oracle Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Oracle
*******************************************************************************/
package org.eclipse.jst.jsf.core.internal.jsflibraryconfig;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.jst.jsf.core.internal.Messages;
/**
* Model for the custom control <b>JSFLibraryConfigControl</b>.
* A JSFLibraryConfigModel object is initialized from a source and updated with
* selected implementation and component libraries when selections are changed.
*
* @author Justin Chen - Oracle
*/
public class JSFLibraryConfigModel {
final private JSFLibraryConfiglModelSource data;
final private JSFLibraryRegistryUtil jsfLibReg;
private List colJSFImplLib;
private List colJSFCompLib;
/**
* Private constructor.
* @param data
*/
private JSFLibraryConfigModel(JSFLibraryConfiglModelSource data) {
this.data = data;
this.jsfLibReg = JSFLibraryRegistryUtil.getInstance();
}
/**
* Return JSF implementation libraries.
*
* This list is initialized from JSF library registry and updated with persistent configuration data.
*
* @return List
* @see org.eclipse.jst.jsf.ui.properties.IJSFLibraryDecoratorProvider#getProjectJSFImplementationLibraries()
*/
public List getJSFImplementationLibraries() {
if (colJSFImplLib == null) {
/* To initialze an implementation library list from registry
* and then update the list with saved implementation library.
*/
colJSFImplLib = jsfLibReg.getJSFImplementationLibraries();
JSFLibraryReference targetLib = data.getJSFImplementationLibrary();
if (targetLib == null) {
// no saved implementation, get default implementation library
targetLib = jsfLibReg.getDefaultJSFImplementationLibrary();
}
if (targetLib != null) {
JSFLibraryReference srcLib = jsfLibReg.getJSFLibraryReferencebyID(targetLib.getID());
if (srcLib != null) {
srcLib.setSelected(true);
srcLib.setToBeDeployed(targetLib.isCheckedToBeDeployed());
}
}
}
return colJSFImplLib;
}
/**
* Return JSF component libraries.
*
* This list is initialized from JSF library registry and updated with persistent
* configuration data.
*
* @return List
* @see org.eclipse.jst.jsf.ui.properties.IJSFLibraryDecoratorProvider#getProjectJSFComponentLibraries()
*/
public List getJSFComponentLibraries() {
if (colJSFCompLib == null) {
/* To initialize a component library list from registry and then
* update list with saved component libraries.
*/
colJSFCompLib = jsfLibReg.getJSFComponentLibraries();
Iterator it = data.getJSFComponentLibraries().iterator();
JSFLibraryReference targetItem = null;
JSFLibraryReference srcItem = null;
while (it.hasNext()) {
targetItem = (JSFLibraryReference) it.next();
srcItem = jsfLibReg.getJSFLibraryReferencebyID(targetItem.getID());
if (srcItem != null) {
srcItem.setSelected(true);
srcItem.setToBeDeployed(targetItem.isCheckedToBeDeployed());
}
}
}
return colJSFCompLib;
}
/**
* Return the selected JSF implementation library currently.
* A null is returned if none is selected.
*
* @return JSFLibraryReference
*/
public JSFLibraryReference getCurrentJSFImplementationLibrarySelection() {
Iterator it = getJSFImplementationLibraries().iterator();
JSFLibraryReference crtItem = null;
while (it.hasNext()) {
crtItem = (JSFLibraryReference) it.next();
if (crtItem.isSelected()) {
return crtItem;
}
}
return null;
}
/**
* Return the selected JSF component libraries currently.
* An empty list is returned when no component libraries are selected.
*
* @return list List
*/
public List getCurrentJSFComponentLibrarySelection() {
List list = new ArrayList();
Iterator it = getJSFComponentLibraries().iterator();
JSFLibraryReference crtItem = null;
while (it.hasNext()) {
crtItem = (JSFLibraryReference) it.next();
if (crtItem.isSelected()) {
list.add(crtItem);
}
}
return list;
}
/**
* Returned a saved implementation library which was persisted as
* DialogSettings or as project properties.
*
* @return JSFLibraryReference
*/
public JSFLibraryReference getSavedJSFImplementationLibrary() {
return data.getJSFImplementationLibrary();
}
/**
* Returned saved component libraries which were persisted as
* DialogSettings or project persistent properties.
*
* @return List
*/
public List getSavedJSFComponentLibraries() {
return data.getJSFComponentLibraries();
}
/**
* Update the selected JSF implementation library.
*
* Note: The library parameter won't be not added into the collection
* if it does not exist already.
*
* @param library JSFLibraryReference
*/
public void setCurrentJSFImplementationLibrarySelection(final JSFLibraryReference library) {
if (library != null) {
Iterator it = getJSFImplementationLibraries().iterator();
JSFLibraryReference crtjsflib = null;
while (it.hasNext()) {
crtjsflib = (JSFLibraryReference) it.next();
if (crtjsflib.getID().equals(library.getID())) {
crtjsflib.setSelected(true);
crtjsflib.setToBeDeployed(library.isCheckedToBeDeployed());
} else {
crtjsflib.setSelected(false);
}
}
}
}
/**
* Update the JSF library component libraries selection.
*
* @param libraries List
*/
public void setCurrentJSFComponentLibrarySelection(final List libraries) {
if (libraries != null) {
/* Reset all item in component library list to unselect first.
* Then, update each item in cmponent libraries to the provided list.
*/
setJSFLibrariesSelection(getJSFComponentLibraries(), false);
Iterator it = libraries.iterator();
JSFLibraryReference crtItem;
JSFLibraryReference srcItem = null;
while (it.hasNext()) {
crtItem = (JSFLibraryReference) it.next();
srcItem = jsfLibReg.getJSFLibraryReferencebyID(crtItem.getID());
if (srcItem != null) {
srcItem.setSelected(true);
srcItem.setToBeDeployed(crtItem.isCheckedToBeDeployed());
}
}
}
}
/**
* To save current configuration of implementation and component libraries
* as project properties.
*
* @param project IProject
*/
public void saveData(final IProject project) {
// Instantiate one to make sure it is for a project.
JSFLibraryConfigProjectData data_ = new JSFLibraryConfigProjectData(project);
List implLibs = new ArrayList();
implLibs.add(getCurrentJSFImplementationLibrarySelection());
data_.saveData(implLibs, getCurrentJSFComponentLibrarySelection());
}
/**
* Set selection state to given state to each libray in the collection.
*
* @param libs List
* @param state boolean
*/
private void setJSFLibrariesSelection(final List libs, final boolean state) {
Iterator it = libs.iterator();
JSFLibraryReference crtjsflib;
while (it.hasNext()) {
crtjsflib = (JSFLibraryReference) it.next();
crtjsflib.setSelected(state);
}
}
/**
* Factory class to create new JSFLibraryConfigModel instances
*/
public static final class JSFLibraryConfigModelFactory {
/**
* To create a new instance of JSFLibraryConfigModel object.
* A NullPointerException is raised if source is null.
*
* @param source JSFLibraryConfiglModelSource
* @return JSFLibraryConfigModel
*/
public static JSFLibraryConfigModel createInstance(final JSFLibraryConfiglModelSource source) {
if (source == null) {
throw new NullPointerException(Messages.JSFLibraryConfigModel_Null_Data_Source);
}
return new JSFLibraryConfigModel(source);
}
}
}
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