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/*******************************************************************************
* Copyright (c) 2009, 2011 Oracle Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Ian Trimble - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.editors.actions;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jst.jsf.common.metadata.Model;
import org.eclipse.jst.jsf.common.metadata.Trait;
import org.eclipse.jst.jsf.common.metadata.internal.IMetaDataDomainContext;
import org.eclipse.jst.jsf.common.metadata.internal.TraitValueHelper;
import org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryContextFactory;
import org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryFactory;
import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.ITaglibDomainMetaDataQuery;
import org.eclipse.jst.pagedesigner.dtresourceprovider.DTResourceProviderFactory;
import org.eclipse.jst.pagedesigner.dtresourceprovider.DTSkinManager;
import org.eclipse.jst.pagedesigner.dtresourceprovider.IDTResourceProvider;
import org.eclipse.jst.pagedesigner.dtresourceprovider.IDTSkin;
import org.eclipse.jst.pagedesigner.utils.EditorUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.ui.IWorkbenchActionConstants;
/**
* Builds menu items for managing skins.
*
* @author Ian Trimble - Oracle
*/
public class SkinsMenuItemBuilder {
private static final String DATAKEY_DTSKIN = "DATAKEY_DTSKIN"; //$NON-NLS-1$
private static final String DATAKEY_NSURI = "DTATKEY_NSURI"; //$NON-NLS-1$
private static List<Menu> menuList = new ArrayList<Menu>();
private IProject project;
/**
* Constructs an instance.
*
* @param project IProject instance for which to get skin information.
*/
public SkinsMenuItemBuilder(IProject project) {
this.project = project;
}
/**
* Builds menu items (adds a separator and then menu items to end of
* specified menu.
*
* @param menu Menu instance to which to add menu items.
*/
public void buildMenuItems(Menu menu) {
for (Menu oldMenu: menuList) {
oldMenu.dispose();
}
if (menu != null) {
List<TaglibData> taglibDataList = getTaglibDataList();
if (taglibDataList.size() > 0) {
new MenuItem(menu, SWT.SEPARATOR);
}
for (TaglibData taglibData: taglibDataList) {
String nsURI = taglibData.getNSURI();
DTSkinManager dtSkinManager = DTSkinManager.getInstance(project);
IDTSkin currentDTSkin = dtSkinManager.getCurrentSkin(nsURI);
MenuItem menuItem = new MenuItem(menu, SWT.CASCADE);
menuItem.setText(taglibData.getName());
Menu skinMenu = new Menu(menuItem);
menuList.add(skinMenu);
menuItem.setMenu(skinMenu);
List<IDTSkin> dtSkins = dtSkinManager.getSkins(nsURI);
for (IDTSkin dtSkin: dtSkins) {
MenuItem skinMenuItem;
if (currentDTSkin == dtSkin) {
skinMenuItem = new MenuItem(skinMenu, SWT.CHECK);
skinMenuItem.setSelection(true);
} else {
skinMenuItem = new MenuItem(skinMenu, SWT.PUSH);
}
skinMenuItem.setText(dtSkin.getName());
skinMenuItem.setData(DATAKEY_DTSKIN, dtSkin);
skinMenuItem.setData(DATAKEY_NSURI, nsURI);
skinMenuItem.addSelectionListener(new SkinSelectionListener());
}
}
}
}
/**
* Builds menu managers.
*
* @param parent Parent menu manager to which to append new menu managers.
*/
public void buildMenuManagers(IMenuManager parent) {
List<TaglibData> taglibDataList = getTaglibDataList();
if (taglibDataList.size() > 0) {
parent.appendToGroup(IWorkbenchActionConstants.MB_ADDITIONS, new Separator());
}
for (TaglibData taglibData: taglibDataList) {
String nsURI = taglibData.getNSURI();
MenuManager newMgr = new MenuManager(taglibData.getName());
DTSkinManager dtSkinManager = DTSkinManager.getInstance(project);
IDTSkin currentDTSkin = dtSkinManager.getCurrentSkin(nsURI);
List<IDTSkin> dtSkins = dtSkinManager.getSkins(nsURI);
for (IDTSkin dtSkin: dtSkins) {
newMgr.add(new ChangeCurrentSkinAction(nsURI, dtSkin, dtSkin == currentDTSkin));
}
parent.appendToGroup(IWorkbenchActionConstants.MB_ADDITIONS, newMgr);
}
}
private List<TaglibData> getTaglibDataList() {
List<TaglibData> taglibDataList = new ArrayList<TaglibData>();
List<IDTResourceProvider> dtResourceProviders =
DTResourceProviderFactory.getInstance().getActiveDTResourceProviders(project);
for (IDTResourceProvider dtResourceProvider: dtResourceProviders) {
TaglibData taglibData = new TaglibData(dtResourceProvider.getId());
if (!taglibDataList.contains(taglibData)) {
taglibDataList.add(taglibData);
}
}
return taglibDataList;
}
/**
* Used to hold and pass taglib-related data.
*/
private class TaglibData {
private String nsURI;
private String name;
public TaglibData(String nsURI) {
this.nsURI = nsURI;
final IMetaDataDomainContext context = MetaDataQueryContextFactory.getInstance().createTaglibDomainModelContext(project);
final ITaglibDomainMetaDataQuery query = MetaDataQueryFactory.getInstance().createQuery(context);
final Model model = query.findTagLibraryModel(nsURI);
final Trait trait = query.findTrait(model, "display-label"); //$NON-NLS-1$
this.name = TraitValueHelper.getValueAsString(trait);
}
public String getNSURI() {
return nsURI;
}
public String getName() {
if (name == null) {
return nsURI;
}
return name;
}
/*
* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
int nsURIHashCode = 0;
if (nsURI != null) {
nsURIHashCode = nsURI.hashCode();
}
int nameHashCode = 0;
if (name != null) {
nameHashCode = name.hashCode();
}
return nameHashCode | nsURIHashCode ;
}
}
/**
* Selection listener for skin menu items.
*/
private class SkinSelectionListener implements SelectionListener {
/*
* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent event) {
String nsURI = (String)event.widget.getData(DATAKEY_NSURI);
IDTSkin dtSkin = (IDTSkin)event.widget.getData(DATAKEY_DTSKIN);
DTSkinManager.getInstance(project).setCurrentSkin(nsURI, dtSkin);
EditorUtil.refreshAllWPEDesignViewers();
}
/*
* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetDefaultSelected(SelectionEvent event) {
widgetSelected(event);
}
}
/**
* Action for changing current skin.
*/
private class ChangeCurrentSkinAction extends Action {
private String nsURI;
private IDTSkin dtSkin;
/**
* Creates an instance.
*
* @param nsURI NSURI of taglib.
* @param dtSkin IDTSkin instance.
* @param checked true if IDTSkin instance is current for nsURI.
*/
public ChangeCurrentSkinAction(String nsURI, IDTSkin dtSkin, boolean checked) {
super(dtSkin.getName());
this.nsURI = nsURI;
this.dtSkin = dtSkin;
setChecked(checked);
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
public void run() {
DTSkinManager.getInstance(project).setCurrentSkin(nsURI, dtSkin);
EditorUtil.refreshAllWPEDesignViewers();
}
}
}
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