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XmlFileContentsGroup.java
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XmlFileContentsGroup.java
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/*
* JBoss, Home of Professional Open Source.
*
* See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
*
* See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
*/
package org.teiid.designer.transformation.ui.wizards.xmlfile.panels;
import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
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.Group;
import org.teiid.designer.query.proc.ITeiidXmlFileInfo;
import org.teiid.designer.transformation.ui.Messages;
import org.teiid.designer.transformation.ui.UiConstants;
import org.teiid.designer.transformation.ui.UiPlugin;
import org.teiid.designer.transformation.ui.wizards.xmlfile.TeiidXmlFileInfo;
import org.teiid.designer.transformation.ui.wizards.xmlfile.TeiidXmlImportXmlConfigurationPage;
import org.teiid.designer.transformation.ui.wizards.xmlfile.XmlAttribute;
import org.teiid.designer.transformation.ui.wizards.xmlfile.XmlElement;
import org.teiid.designer.ui.common.tree.AbstractTreeContentProvider;
import org.teiid.designer.ui.common.util.WidgetFactory;
/**
* @since 8.0
*/
public class XmlFileContentsGroup {
TreeViewer xmlTreeViewer;
Action createColumnAction, setRootPathAction;
ColumnsInfoPanel columnsInfoPanel;
final TeiidXmlImportXmlConfigurationPage configPage;
public XmlFileContentsGroup(Composite parent, TeiidXmlImportXmlConfigurationPage configPage) {
super();
this.configPage = configPage;
createPanel(parent);
}
private TeiidXmlFileInfo getFileInfo() {
return configPage.getFileInfo();
}
public void setColumnsInfoPanel(ColumnsInfoPanel columnsInfoPanel) {
this.columnsInfoPanel = columnsInfoPanel;
}
public void loadFileContentsViewer() {
this.xmlTreeViewer.setInput(this.configPage.getFileInfo());
this.columnsInfoPanel.refresh();
}
private void createPanel(Composite parent) {
Group fileContentsGroup = WidgetFactory.createGroup(parent, Messages.XmlFileContents, SWT.NONE, 1, 4);
GridData gd = new GridData(GridData.FILL_BOTH);
gd.heightHint = 400;
fileContentsGroup.setLayoutData(gd);
this.xmlTreeViewer = new TreeViewer(fileContentsGroup, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
GridData data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan=4;
this.xmlTreeViewer.getControl().setLayoutData(data);
this.xmlTreeViewer.setContentProvider(new AbstractTreeContentProvider() {
@Override
public Object[] getChildren( Object element ) {
return getNodeChildren(element);
}
@Override
public Object getParent( Object element ) {
return getNodeParent(element);
}
@Override
public boolean hasChildren( Object element ) {
return getNodeHasChildren(element);
}
});
this.xmlTreeViewer.setLabelProvider(new LabelProvider() {
@Override
public Image getImage( Object element ) {
return getNodeImage(element);
}
@Override
public String getText( Object element ) {
return getNodeName(element);
}
});
// Add a Context Menu
final MenuManager columnMenuManager = new MenuManager();
this.xmlTreeViewer.getControl().setMenu(columnMenuManager.createContextMenu(parent));
this.xmlTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
/**
* {@inheritDoc}
*
* @see oblafond@redhat.comrg.eclipse.jface.viewers.IcreateColumnSelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
*/
@Override
public void selectionChanged( final SelectionChangedEvent event ) {
columnMenuManager.removeAll();
IStructuredSelection sel = (IStructuredSelection)xmlTreeViewer.getSelection();
if (sel.size() > 0) {
columnMenuManager.add(createColumnAction);
columnMenuManager.add(setRootPathAction);
columnsInfoPanel.notifySelection(true);
} else {
columnsInfoPanel.notifySelection(false);
}
}
});
this.xmlTreeViewer.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(DoubleClickEvent event) {
IStructuredSelection selection = (IStructuredSelection) event.getSelection();
if (selection != null && !selection.isEmpty() && selection.size() == 1 ) {
createColumn();
}
}
});
this.createColumnAction = new Action(Messages.CreateColumn) {
@Override
public void run() {
createColumn();
}
};
this.setRootPathAction = new Action(Messages.SetAsRootPath) {
@Override
public void run() {
setRootPath();
}
};
}
private void setRootPath() {
IStructuredSelection sel = (IStructuredSelection)xmlTreeViewer.getSelection();
Object obj = sel.getFirstElement();
if( obj instanceof XmlElement ) {
String pathValue = ((XmlElement)obj).getFullPath();
getFileInfo().setRootPath(pathValue);
configPage.handleInfoChanged(false);
}
}
public void createColumn() {
IStructuredSelection sel = (IStructuredSelection)xmlTreeViewer.getSelection();
boolean changed = false;
for( Object obj : sel.toList() ) {
if( obj instanceof XmlElement || obj instanceof XmlAttribute ) {
getFileInfo().addNewColumn(obj);
changed = true;
}
}
if( changed ) this.configPage.handleInfoChanged(false);
}
Object[] getNodeChildren( Object element ) {
if (element instanceof ITeiidXmlFileInfo) {
return new Object[] {getFileInfo().getRootNode()};
}
Collection<Object> children = new ArrayList<Object>();
for( Object attr : ((XmlElement)element).getAttributes()) {
children.add(attr);
}
for( Object elem : ((XmlElement)element).getChildrenDTDElements()) {
children.add(elem);
}
return children.toArray(new Object[0]);
}
boolean getNodeHasChildren( Object element ) {
if( element instanceof XmlElement) {
XmlElement node = (XmlElement)element;
Object[] children = node.getChildrenDTDElements();
Object[] attributes = node.getAttributes();
return (children.length + attributes.length) > 0;
}
return false;
}
Image getNodeImage( Object element ) {
if( element instanceof XmlAttribute) {
return UiPlugin.getDefault().getImage(UiConstants.Images.SCHEMA_ATTRIBUTE);
}
if( element instanceof XmlElement ) {
return UiPlugin.getDefault().getImage(UiConstants.Images.SCHEMA_ELEMENT);
}
return null;
}
String getNodeName( Object element ) {
if( element instanceof XmlElement ) {
XmlElement node = (XmlElement)element;
return node.getName();
}
if( element instanceof XmlAttribute) {
XmlAttribute node = (XmlAttribute)element;
return node.getName();
}
return ""; //$NON-NLS-1$
}
Object getNodeParent( Object element ) {
return ((XmlElement)element).getParent();
}
}