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/*******************************************************************************
* Copyright (c) 2001, 2008 Oracle Corporation and others.
* 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 Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.ui.internal.component;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.viewers.IInputProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.jst.jsf.common.dom.TagIdentifier;
import org.eclipse.jst.jsf.common.runtime.internal.model.ViewObject;
import org.eclipse.jst.jsf.common.runtime.internal.model.component.ComponentInfo;
import org.eclipse.jst.jsf.common.runtime.internal.model.decorator.ConverterDecorator;
import org.eclipse.jst.jsf.common.runtime.internal.model.decorator.Decorator;
import org.eclipse.jst.jsf.common.runtime.internal.model.decorator.ValidatorDecorator;
import org.eclipse.jst.jsf.common.ui.JSFUICommonPlugin;
import org.eclipse.jst.jsf.common.ui.internal.form.AbstractMasterForm;
import org.eclipse.jst.jsf.common.ui.internal.utils.JSFSharedImages;
import org.eclipse.jst.jsf.designtime.internal.view.DTUIViewRoot;
import org.eclipse.jst.jsf.designtime.internal.view.XMLViewObjectMappingService;
import org.eclipse.jst.jsf.designtime.internal.view.XMLViewObjectMappingService.ElementData;
import org.eclipse.jst.jsf.ui.internal.common.MetadataTagImageManager;
import org.eclipse.jst.jsf.ui.internal.component.ComponentTreeViewProvider.TreePlaceHolder;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.forms.widgets.FormToolkit;
/*package*/class ComponentMasterForm extends AbstractMasterForm
{
private final DTJSFViewModel _model;
private TreeViewer _treeViewer;
private Action _refreshAction;
protected ComponentMasterForm(final FormToolkit toolkit,
final DTJSFViewModel model)
{
super(toolkit);
_model = model;
}
@Override
public Control createClientArea(final Composite parent)
{
final Tree tree = getToolkit().createTree(parent,
SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
final GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
tree.setLayoutData(gridData);
_treeViewer = new TreeViewer(tree);
_treeViewer.getTree().setLayoutData(gridData);
_treeViewer.setContentProvider(new ComponentTreeViewProvider());
_treeViewer.setLabelProvider(new TreeViewLabelProvider(_treeViewer));
_treeViewer.setSorter(new ComponentTreeSorter());
_treeViewer.addSelectionChangedListener(new ISelectionChangedListener()
{
public void selectionChanged(final SelectionChangedEvent event)
{
getListener().selectionChanged(event);
}
});
_model.init(new Runnable()
{
public void run()
{
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable()
{
public void run()
{
final Object[] expanded = _treeViewer
.getExpandedElements();
_treeViewer.refresh();
_treeViewer.setExpandedElements(expanded);
}
});
}
});
_treeViewer.setInput(_model);
makeActions();
return tree;
}
@Override
protected void contributeActions(final IToolBarManager formManager,
final IToolBarManager localManager)
{
// contribute to local tool bar
localManager.add(_refreshAction);
localManager.update(false);
}
private void makeActions()
{
_refreshAction = new Action()
{
@Override
public void run()
{
_model.update();
}
};
_refreshAction.setText(Messages.ComponentMasterForm_RefreshView);
_refreshAction.setToolTipText(Messages.ComponentMasterForm_RefreshView);
_refreshAction.setImageDescriptor(JSFUICommonPlugin.getDefault()
.getImageDescriptor("refresh_nav_16.gif")); //$NON-NLS-1$
}
@Override
protected void contributeToHeadArea(final FormToolkit toolkit,
final Composite container)
{
final Text label = new Text(container
, SWT.READ_ONLY | SWT.SINGLE | SWT.LEFT);
String viewId = _model.getViewId();
viewId = viewId == null ? Messages.ComponentMasterForm_Unknown : viewId;
label.setText(NLS.bind(Messages.ComponentMasterForm_HeadAreaText, viewId,
_model.getProject().getName()));
}
private static class TreeViewLabelProvider extends LabelProvider
{
private final IInputProvider _inputProvider;
private final MetadataTagImageManager _metadataIconManager;
/**
* @param inputProvider
*/
private TreeViewLabelProvider(final IInputProvider inputProvider)
{
super();
_inputProvider = inputProvider;
_metadataIconManager = new MetadataTagImageManager();
}
@Override
public String getText(final Object obj)
{
if (obj instanceof ComponentInfo)
{
String text = ""; //$NON-NLS-1$
final ComponentInfo compInfo = (ComponentInfo) obj;
String className = compInfo.getComponentTypeInfo()
.getClassName();
final int dotIdx = className.lastIndexOf('.');
if (dotIdx > -1 && dotIdx + 1 < className.length())
{
className = className.substring(dotIdx + 1);
}
text = className;
final String id = compInfo.getId();
if (id != null)
{
text += " (id=" + id + ")"; //$NON-NLS-1$ //$NON-NLS-2$
}
return text;
}
else if (obj instanceof TreePlaceHolder)
{
return Messages.ComponentMasterForm_CalculatingView;
}
return obj.toString();
}
@Override
public Image getImage(final Object obj)
{
Image image = null;
if (obj instanceof ViewObject)
{
final XMLViewObjectMappingService mappingService = getMappingService();
if (mappingService != null)
{
final ElementData elementData = mappingService
.findElementData((ViewObject) obj);
if (elementData != null)
{
final TagIdentifier tagId = elementData.getTagId();
final DTJSFViewModel model = getModel();
if (model != null)
{
image = _metadataIconManager.getSmallIconImage(
model.getFile(), tagId);
}
}
}
if (image == null)
{
image = getDefaultImage((ViewObject) obj);
}
}
else if (obj instanceof TreePlaceHolder)
{
return JSFUICommonPlugin.getDefault().getImage("configs.gif"); //$NON-NLS-1$
}
if (image == null)
{
final String imageKey = ISharedImages.IMG_OBJ_ELEMENT;
image = PlatformUI.getWorkbench().getSharedImages().getImage(
imageKey);
}
return image;
}
private XMLViewObjectMappingService getMappingService()
{
final DTJSFViewModel model = getModel();
if (model != null)
{
final DTUIViewRoot root = model.getRoot();
if (root != null)
{
return (XMLViewObjectMappingService) root.getServices()
.getAdapter(XMLViewObjectMappingService.class);
}
}
return null;
}
private DTJSFViewModel getModel()
{
final Object input = _inputProvider.getInput();
if (input instanceof DTJSFViewModel)
{
return (DTJSFViewModel) input;
}
return null;
}
private Image getDefaultImage(final ViewObject obj)
{
if (obj instanceof DTUIViewRoot)
{
return JSFUICommonPlugin.getDefault().getImage(
JSFSharedImages.GENERIC_VIEWROOT_IMG);
}
if (obj instanceof ComponentInfo)
{
return JSFUICommonPlugin.getDefault().getImage(
JSFSharedImages.GENERIC_OBJECT_IMG);
}
else if (obj instanceof ConverterDecorator)
{
return JSFUICommonPlugin.getDefault().getImage(
JSFSharedImages.GENERIC_CONVERTER_IMG);
}
else if (obj instanceof ValidatorDecorator)
{
return JSFUICommonPlugin.getDefault().getImage(
JSFSharedImages.GENERIC_VALIDATOR_IMG);
}
return JSFUICommonPlugin.getDefault().getImage(
JSFSharedImages.DEFAULT_PALETTE_TAG_IMG);
}
}
private static class ComponentTreeSorter extends ViewerSorter
{
@Override
public int compare(final Viewer viewer, final Object e1, final Object e2)
{
return 0;
}
@Override
public int category(final Object element)
{
// sort decorators first into their own category
if (element instanceof Decorator)
{
return 0;
}
return 1;
}
}
}
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