/*******************************************************************************
* Copyright (c) 2009 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:
* Ian Trimble - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.ui.dialogs;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jst.jsf.common.metadata.Model;
import org.eclipse.jst.jsf.common.metadata.Trait;
import org.eclipse.jst.jsf.common.metadata.internal.TraitValueHelper;
import org.eclipse.jst.jsf.common.metadata.query.ITaglibDomainMetaDataModelContext;
import org.eclipse.jst.jsf.common.metadata.query.TaglibDomainMetaDataQueryHelper;
import org.eclipse.jst.pagedesigner.PDPlugin;
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.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.dialogs.PropertyPage;
/**
* Property page for the Web Page Editor.
*
* @author Ian Trimble - Oracle
*/
public class WPEPropertyPage extends PropertyPage {
private IProject project;
private TableViewer taglibTable;
private TableViewer skinsTable;
private Button currentButton;
private Map<String, IDTSkin> localCurrentSkinMap = new HashMap<String, IDTSkin>();
/*
* (non-Javadoc)
* @see org.eclipse.jface.dialogs.DialogPage#getDescription()
*/
@Override
public String getDescription() {
return DialogsMessages.getString("WPEPropertyPage.Description"); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createContents(Composite parent) {
Composite top = new Composite(parent, SWT.NONE);
GridLayout topLayout = new GridLayout(2, false);
topLayout.marginWidth = 0;
top.setLayout(topLayout);
top.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
//taglibs label
Label taglibLabel = new Label(top, SWT.NONE);
taglibLabel.setText(DialogsMessages.getString("WPEPropertyPage.TagLibs.Label")); //$NON-NLS-1$
taglibLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
//empty cell
new Label(top, SWT.NONE).setVisible(false);
//taglibs list
taglibTable = new TableViewer(top, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
taglibTable.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
taglibTable.getTable().addSelectionListener(new TaglibSelectionListener());
taglibTable.setContentProvider(new TaglibContentProvider());
taglibTable.setLabelProvider(new TaglibLabelProvider());
taglibTable.setInput(project);
//empty cell
new Label(top, SWT.NONE).setVisible(false);
//skins label
Label skinsLabel = new Label(top, SWT.NONE);
skinsLabel.setText(DialogsMessages.getString("WPEPropertyPage.Skins.Label")); //$NON-NLS-1$
skinsLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
//empty cell
new Label(top, SWT.NONE).setVisible(false);
//skins list
skinsTable = new TableViewer(top, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
skinsTable.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
skinsTable.getTable().addSelectionListener(new SkinSelectionListener());
skinsTable.setContentProvider(new SkinContentProvider());
skinsTable.setLabelProvider(new SkinLabelProvider());
//buttons
Composite buttons = new Composite(top, SWT.NONE);
GridLayout buttonsLayout = new GridLayout(1, true);
buttonsLayout.marginWidth = 0;
buttons.setLayout(buttonsLayout);
buttons.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
currentButton = new Button(buttons, SWT.NONE);
currentButton.setText(DialogsMessages.getString("WPEPropertyPage.Current.Button")); //$NON-NLS-1$
currentButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
String nsURI = getCurrentNSURI();
IStructuredSelection selection = (IStructuredSelection)skinsTable.getSelection();
IDTSkin dtSkin = (IDTSkin)selection.getFirstElement();
if (dtSkin != null) {
localCurrentSkinMap.put(nsURI, dtSkin);
skinsTable.refresh();
updateButtons();
}
}
});
updateButtons();
return top;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.dialogs.PropertyPage#setElement(org.eclipse.core.runtime.IAdaptable)
*/
@Override
public void setElement(IAdaptable element) {
Object objElement = element.getAdapter(IProject.class);
if (objElement != null) {
project = (IProject)objElement;
if (taglibTable != null) {
taglibTable.setInput(objElement);
}
}
super.setElement(element);
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
@Override
protected void performDefaults() {
List<TaglibData> taglibDataList = getTaglibDataList();
for (TaglibData taglibData: taglibDataList) {
String nsURI = taglibData.getNSURI();
IDTSkin defaultDTSkin = DTSkinManager.getInstance(project).getDefaultSkin(nsURI);
localCurrentSkinMap.put(nsURI, defaultDTSkin);
}
skinsTable.refresh();
updateButtons();
super.performDefaults();
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
@Override
public boolean performOk() {
Set keys = localCurrentSkinMap.keySet();
for (Object key: keys) {
String nsURI = (String)key;
IDTSkin dtSkin = localCurrentSkinMap.get(nsURI);
DTSkinManager.getInstance(project).setCurrentSkin(nsURI, dtSkin);
}
EditorUtil.refreshAllWPEDesignViewers();
return super.performOk();
}
private IDTSkin getLocalCurrentSkin() {
IDTSkin localCurrentSkin = null;
String nsURI = getCurrentNSURI();
localCurrentSkin = localCurrentSkinMap.get(nsURI);
if (localCurrentSkin == null) {
localCurrentSkin = DTSkinManager.getInstance(project).getCurrentSkin(nsURI);
}
return localCurrentSkin;
}
private String getCurrentNSURI() {
String nsURI = null;
if (skinsTable != null) {
Object objInput = skinsTable.getInput();
if (objInput instanceof TaglibData) {
nsURI = ((TaglibData)objInput).getNSURI();
}
}
return nsURI;
}
private List<TaglibData> getTaglibDataList() {
List<TaglibData> taglibDataList = new ArrayList<TaglibData>();
List<IDTResourceProvider> resourceProviders =
DTResourceProviderFactory.getInstance().getActiveDTResourceProviders(project);
for (IDTResourceProvider resourceProvider: resourceProviders) {
TaglibData taglibData = new TaglibData(resourceProvider.getId());
if (!taglibDataList.contains(taglibData)) {
taglibDataList.add(taglibData);
}
}
return taglibDataList;
}
private void updateButtons() {
boolean currentButtonEnabled = false;
if (skinsTable != null) {
IStructuredSelection selection = (IStructuredSelection)skinsTable.getSelection();
if (selection != null) {
Object selectedObject = selection.getFirstElement();
if (selectedObject instanceof IDTSkin) {
IDTSkin localCurrentSkin = getLocalCurrentSkin();
if ((IDTSkin)selectedObject != localCurrentSkin) {
currentButtonEnabled = true;
}
}
}
}
currentButton.setEnabled(currentButtonEnabled);
}
/**
* Content provider for taglib table viewer.
*/
private class TaglibContentProvider implements IStructuredContentProvider {
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
return getTaglibDataList().toArray();
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
viewer.refresh();
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
//nothing to dispose
}
}
/**
* Label provider for taglib table viewer.
*/
private class TaglibLabelProvider extends LabelProvider {
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
*/
public Image getImage(Object element) {
Image image = null;
if (element instanceof TaglibData) {
image = PDPlugin.getDefault().getImage("library_obj.gif"); //$NON-NLS-1$
}
return image;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
*/
public String getText(Object element) {
String text = null;
if (element instanceof TaglibData) {
TaglibData taglibData = ((TaglibData)element);
if (taglibData.getName() != null) {
text = taglibData.getName();
} else {
text = taglibData.getNSURI();
}
}
return text;
}
}
private class TaglibSelectionListener implements SelectionListener {
/*
* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent event) {
Object obj = event.item.getData();
if (obj instanceof TaglibData) {
skinsTable.setInput(obj);
}
}
/*
* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetDefaultSelected(SelectionEvent event) {
widgetSelected(event);
}
}
/**
* Used to hold and pass taglib-related data.
*/
private class TaglibData {
private String nsURI;
private String name;
public TaglibData(String nsURI) {
this.nsURI = nsURI;
ITaglibDomainMetaDataModelContext modelContext = TaglibDomainMetaDataQueryHelper.createMetaDataModelContext(project, nsURI);
Model model = TaglibDomainMetaDataQueryHelper.getModel(modelContext);
Trait trait = TaglibDomainMetaDataQueryHelper.getTrait(model, "display-label"); //$NON-NLS-1$
this.name = TraitValueHelper.getValueAsString(trait);
}
public String getNSURI() {
return nsURI;
}
public String getName() {
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 ;
}
}
/**
* Content provider for skin table viewer.
*/
private class SkinContentProvider implements IStructuredContentProvider {
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
List<IDTSkin> skinList;
if (inputElement instanceof TaglibData) {
skinList = DTSkinManager.getInstance(project).getSkins(((TaglibData)inputElement).getNSURI());
} else {
skinList = Collections.EMPTY_LIST;
}
return skinList.toArray();
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
viewer.refresh();
updateButtons();
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
//nothing to dispose
}
}
/**
* Label provider for skin table viewer.
*/
private class SkinLabelProvider extends LabelProvider {
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
*/
public Image getImage(Object element) {
Image image = null;
if (element instanceof IDTSkin) {
image = PDPlugin.getDefault().getImage("skin.png"); //$NON-NLS-1$
}
return image;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
*/
public String getText(Object element) {
String text = null;
if (element instanceof IDTSkin) {
IDTSkin dtSkin = (IDTSkin)element;
text = dtSkin.getName();
if (dtSkin == getLocalCurrentSkin()) {
text += " " + DialogsMessages.getString("WPEPropertyPage.Skins.Item.Current"); //$NON-NLS-1$ //$NON-NLS-2$
}
}
return text;
}
}
private class SkinSelectionListener implements SelectionListener {
/*
* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent event) {
updateButtons();
}
/*
* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetDefaultSelected(SelectionEvent event) {
widgetSelected(event);
}
}
}