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ExcelFileSelectionWizardPage.java
1783 lines (1548 loc) · 52.3 KB
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ExcelFileSelectionWizardPage.java
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/*******************************************************************************
* Copyright (c) 2012 Megha Nidhi Dahal 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:
* Megha Nidhi Dahal - initial API and implementation and/or initial documentation
* Actuate Corporation - support of timestamp, datetime, time, and date data types
* Actuate Corporation - added support of relative file path
* Actuate Corporation - support defining an Excel input file path or URI as part of the data source definition
*******************************************************************************/
package org.eclipse.birt.report.data.oda.excel.ui.wizards;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.birt.report.data.oda.excel.ExcelODAConstants;
import org.eclipse.birt.report.data.oda.excel.impl.Driver;
import org.eclipse.birt.report.data.oda.excel.impl.util.ExcelFileReader;
import org.eclipse.birt.report.data.oda.excel.impl.util.ResourceLocatorUtil;
import org.eclipse.birt.report.data.oda.excel.impl.util.querytextutil.ColumnsInfoUtil;
import org.eclipse.birt.report.data.oda.excel.impl.util.querytextutil.QueryTextUtil;
import org.eclipse.birt.report.data.oda.excel.ui.i18n.Messages;
import org.eclipse.birt.report.data.oda.excel.ui.util.IHelpConstants;
import org.eclipse.birt.report.data.oda.excel.ui.util.Utility;
import org.eclipse.datatools.connectivity.oda.IConnection;
import org.eclipse.datatools.connectivity.oda.IDriver;
import org.eclipse.datatools.connectivity.oda.IQuery;
import org.eclipse.datatools.connectivity.oda.IResultSetMetaData;
import org.eclipse.datatools.connectivity.oda.OdaException;
import org.eclipse.datatools.connectivity.oda.design.DataSetDesign;
import org.eclipse.datatools.connectivity.oda.design.DesignFactory;
import org.eclipse.datatools.connectivity.oda.design.Properties;
import org.eclipse.datatools.connectivity.oda.design.ResultSetColumns;
import org.eclipse.datatools.connectivity.oda.design.ResultSetDefinition;
import org.eclipse.datatools.connectivity.oda.design.ui.designsession.DesignSessionUtil;
import org.eclipse.datatools.connectivity.oda.design.ui.wizards.DataSetWizardPage;
import org.eclipse.datatools.connectivity.oda.util.ResourceIdentifiers;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ComboBoxCellEditor;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
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.swt.widgets.List;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
/**
* Extends the ODA design ui framework to provide a driver-specific custom
* editor page to create or edit an ODA data set design instance.
*/
public class ExcelFileSelectionWizardPage extends DataSetWizardPage implements
ISelectionChangedListener {
private static String DEFAULT_MESSAGE = Messages
.getString("wizard.defaultMessage.selectDataSet"); //$NON-NLS-1$
private static final String queryTextDelimiter = ":"; //$NON-NLS-1$
private static final String columnsInfoStartSymbol = "{"; //$NON-NLS-1$
private static final String columnsInfoEndSymbol = "}"; //$NON-NLS-1$
private static String name = Messages.getString("editor.title.name"); //$NON-NLS-1$
private static String originalName = Messages
.getString("editor.title.originalName"); //$NON-NLS-1$
private static String dataType = Messages.getString("editor.title.type"); //$NON-NLS-1$
private static String[] dataTypeDisplayNames = new String[]{
Messages.getString( "datatypes.dateTime" ), //$NON-NLS-1$
Messages.getString( "datatypes.decimal" ), //$NON-NLS-1$
Messages.getString( "datatypes.float" ), //$NON-NLS-1$
Messages.getString( "datatypes.integer" ), //$NON-NLS-1$
Messages.getString( "datatypes.date" ), //$NON-NLS-1$
Messages.getString( "datatypes.time" ), //$NON-NLS-1$
Messages.getString( "datatypes.string" ), //$NON-NLS-1$
Messages.getString( "datatypes.boolean" ) //$NON-NLS-1$
};
private Map<Object, Object> dataTypeDisplayNameMap = new HashMap<Object, Object>();
private Map<Object, Object> dataTypeValueMape = new HashMap<Object, Object>();
private final int DEFAULT_WIDTH = 200;
private final int DEFAULT_HEIGHT = 200;
private transient ComboViewer worksheetsCombo = null;
private transient List availableList = null;
private transient TableViewer selectedColumnsViewer = null;
private transient Button btnAdd = null;
private transient Button btnRemove = null;
private transient Button btnMoveUp = null;
private transient Button btnMoveDown = null;
private String uriPath;
private String inclColumnNameLine;
private String inclTypeLine;
private String savedSelectedColumnsInfoString;
/** store latest selected file */
private Object selectedFile;
/** store latest selected sheet name */
private String currentSheetName;
private boolean flag = false;
private java.util.List<String[]> originalFileColumnsInfoList = new ArrayList<String[]>();
private java.util.List<String[]> savedSelectedColumnsInfoList = new ArrayList<String[]>();
/**
* @param pageName
*/
public ExcelFileSelectionWizardPage(String pageName) {
super(pageName);
setTitle(pageName);
createColumnTypeMap();
setMessage(DEFAULT_MESSAGE);
setPageComplete(false);
}
/**
* @param pageName
* @param title
* @param titleImage
*/
public ExcelFileSelectionWizardPage(String pageName, String title,
ImageDescriptor titleImage) {
super(pageName, title, titleImage);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.datatools.connectivity.oda.design.ui.wizards.DataSetWizardPage
* #createPageCustomControl(org.eclipse.swt.widgets.Composite)
*/
public void createPageCustomControl(Composite parent) {
setControl(createPageControl(parent));
initializeControl();
Utility.setSystemHelp(getControl(),
IHelpConstants.CONEXT_ID_DATASET_EXCEL);
}
private void createColumnTypeMap( )
{
dataTypeDisplayNameMap.put( new Integer(4),
Messages.getString( "datatypes.integer" ) ); //$NON-NLS-1$
dataTypeDisplayNameMap.put( new Integer(8),
Messages.getString( "datatypes.float" ) ); //$NON-NLS-1$
dataTypeDisplayNameMap.put( new Integer(12),
Messages.getString( "datatypes.string" ) ); //$NON-NLS-1$
dataTypeDisplayNameMap.put( new Integer(91),
Messages.getString( "datatypes.date" ) ); //$NON-NLS-1$
dataTypeDisplayNameMap.put( new Integer(92),
Messages.getString( "datatypes.time" ) ); //$NON-NLS-1$
dataTypeDisplayNameMap.put( new Integer(93),
Messages.getString( "datatypes.dateTime" ) ); //$NON-NLS-1$
dataTypeDisplayNameMap.put( new Integer(2),
Messages.getString( "datatypes.decimal" ) ); //$NON-NLS-1$
dataTypeDisplayNameMap.put( new Integer(16),
Messages.getString( "datatypes.boolean" ) ); //$NON-NLS-1$
dataTypeValueMape.put( Messages.getString( "datatypes.integer" ), "INT" ); //$NON-NLS-1$ //$NON-NLS-2$
dataTypeValueMape.put( Messages.getString( "datatypes.float" ), //$NON-NLS-1$
"DOUBLE" ); //$NON-NLS-1$
dataTypeValueMape.put( Messages.getString( "datatypes.string" ), //$NON-NLS-1$
"STRING" ); //$NON-NLS-1$
dataTypeValueMape.put( Messages.getString( "datatypes.date" ), "DATE" ); //$NON-NLS-1$ //$NON-NLS-2$
dataTypeValueMape.put( Messages.getString( "datatypes.time" ), "TIME" ); //$NON-NLS-1$ //$NON-NLS-2$
dataTypeValueMape.put( Messages.getString( "datatypes.dateTime" ), //$NON-NLS-1$
"TIMESTAMP" ); //$NON-NLS-1$
dataTypeValueMape.put( Messages.getString( "datatypes.decimal" ), //$NON-NLS-1$
"BIGDECIMAL" ); //$NON-NLS-1$
dataTypeValueMape.put( Messages.getString( "datatypes.boolean" ), //$NON-NLS-1$
"BOOLEAN" ); //$NON-NLS-1$
}
/**
*
*
*/
private void initializeControl() {
/*
* Optionally restores the state of a previous design session. Obtains
* designer state, using getInitializationDesignerState();
*/
DataSetDesign dataSetDesign = getInitializationDesign();
if (dataSetDesign == null)
return; // nothing to initialize
String queryText = dataSetDesign.getQueryText();
if (queryText == null || selectedFile == null)
return; // nothing to initialize
updateValuesFromQuery(queryText);
if (dataSetDesign.getPublicProperties() != null) {
currentSheetName = dataSetDesign.getPublicProperties().getProperty(
ExcelODAConstants.CONN_WORKSHEETS_PROP);
}
/*
* Optionally honor the request for an editable or read-only design
* session isSessionEditable();
*/
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.datatools.connectivity.oda.design.ui.wizards.DataSetWizardPage
* #collectDataSetDesign(org.eclipse.datatools.connectivity.oda.design.
* DataSetDesign)
*/
protected DataSetDesign collectDataSetDesign(DataSetDesign design) {
// if this page in DataSetEditor hasn't been activated
if (worksheetsCombo == null)
return design;
savePage(design);
return design;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.datatools.connectivity.oda.design.internal.ui.DataSetWizardPage
* #collectResponseState()
*/
protected void collectResponseState() {
super.collectResponseState();
/*
* Optionally assigns custom response state, for inclusion in the ODA
* design session response, using setResponseSessionStatus(
* SessionStatus status ) setResponseDesignerState( DesignerState
* customState );
*/
}
/**
*
* @param parent
* @return
*/
private Control createPageControl(Composite parent) {
Composite composite = new Composite(parent, SWT.NULL);
FormLayout layout = new FormLayout();
composite.setLayout(layout);
FormData data = new FormData();
data.left = new FormAttachment(0, 5);
data.top = new FormAttachment(0, 5);
Label label = new Label(composite, SWT.NONE);
label.setText(Messages.getString("label.selectworksheet")); //$NON-NLS-1$
label.setLayoutData(data);
createTopComposite(composite, label);
createLeftComposite(composite);
Composite btnComposite = createAddBtnComposite(composite);
createRightComposite(composite, btnComposite);
setupEditors();
loadProperties();
updateFileList();
return composite;
}
/**
* Create the top composite of the page
*
* @param composite
* @param label
*/
private void createTopComposite(Composite composite, Label label) {
FormData data = new FormData();
data.left = new FormAttachment(label, 5);
data.right = new FormAttachment(40, -5);
worksheetsCombo = new ComboViewer(composite, SWT.BORDER | SWT.READ_ONLY);
worksheetsCombo.getControl().setLayoutData(data);
worksheetsCombo.setContentProvider(new ArrayContentProvider());
worksheetsCombo.addSelectionChangedListener(this);
worksheetsCombo.setLabelProvider(new LabelProvider() {
public String getText(Object element) {
return getFileName( element );
}
});
data = new FormData();
data.left = new FormAttachment(worksheetsCombo.getControl(), 5);
data.top = new FormAttachment(0, 5);
}
/**
* Create the left composite of the page
*
* @param composite
*/
private void createLeftComposite(Composite composite) {
FormData data = new FormData();
data.top = new FormAttachment(worksheetsCombo.getControl(), 10, SWT.BOTTOM);
data.left = new FormAttachment(0, 5);
data.right = new FormAttachment(40, -5);
data.bottom = new FormAttachment(100, -5);
data.width = DEFAULT_WIDTH;
data.height = DEFAULT_HEIGHT;
availableList = new List(composite, SWT.MULTI | SWT.BORDER
| SWT.H_SCROLL | SWT.V_SCROLL);
availableList.setLayoutData(data);
availableList.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
selectedColumnsViewer.getTable().deselectAll();
btnAdd.setEnabled(true);
btnRemove.setEnabled(false);
btnMoveDown.setEnabled(false);
btnMoveUp.setEnabled(false);
}
});
availableList.addMouseListener(new MouseAdapter() {
public void mouseDoubleClick(MouseEvent e) {
addColumns();
}
});
}
/**
* Create the middle button composite that displays ADD button
*
* @param composite
* @return
*/
private Composite createAddBtnComposite(Composite composite) {
FormData data = new FormData();
data.top = new FormAttachment(50, 5);
data.left = new FormAttachment(availableList, 3);
Composite btnComposite = new Composite(composite, SWT.NONE);
btnComposite.setLayoutData(data);
GridLayout layout = new GridLayout();
layout.numColumns = 1;
btnComposite.setLayout(layout);
btnAdd = new Button(btnComposite, SWT.NONE);
GridData gridData = new GridData(GridData.VERTICAL_ALIGN_CENTER
| GridData.FILL_HORIZONTAL);
gridData.heightHint = 25;
btnAdd.setLayoutData(gridData);
btnAdd.setToolTipText(Messages.getString("tooltip.button.add")); //$NON-NLS-1$
if (btnAdd.getStyle() == (btnAdd.getStyle() | SWT.LEFT_TO_RIGHT)) {
btnAdd.setImage(PlatformUI.getWorkbench().getSharedImages()
.getImage(ISharedImages.IMG_TOOL_FORWARD));
} else {
btnAdd.setImage(PlatformUI.getWorkbench().getSharedImages()
.getImage(ISharedImages.IMG_TOOL_BACK));
}
btnAdd.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
addColumns();
}
});
return btnComposite;
}
/**
* Create the right composite of the page
*
* @param composite
* @param btnComposite
*/
private void createRightComposite(Composite composite,
Composite btnComposite) {
FormData data = new FormData();
data.top = new FormAttachment(worksheetsCombo.getControl(), 10, SWT.BOTTOM);
data.left = new FormAttachment(btnComposite, 3);
data.right = new FormAttachment(100, -2);
data.bottom = new FormAttachment(100, -5);
Composite rightComposite = new Composite(composite, SWT.BORDER);
rightComposite.setLayoutData(data);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
rightComposite.setLayout(layout);
selectedColumnsViewer = new TableViewer(rightComposite, SWT.MULTI
| SWT.FULL_SELECTION | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
selectedColumnsViewer.getTable().setHeaderVisible(true);
selectedColumnsViewer.getTable().setLinesVisible(true);
selectedColumnsViewer.getTable().setLayoutData(
new GridData(GridData.FILL_BOTH));
TableColumn column = new TableColumn(selectedColumnsViewer.getTable(),
SWT.NONE);
column.setText(Messages.getString("editor.title.name")); //$NON-NLS-1$
column.setWidth(100);
column = new TableColumn(selectedColumnsViewer.getTable(), SWT.NONE);
column.setText(Messages.getString("editor.title.originalName")); //$NON-NLS-1$
column.setWidth(100);
column = new TableColumn(selectedColumnsViewer.getTable(), SWT.NONE);
column.setText(Messages.getString("editor.title.type")); //$NON-NLS-1$
column.setWidth(100);
selectedColumnsViewer.getTable().addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
btnAdd.setEnabled(false);
availableList.deselectAll();
int count = selectedColumnsViewer.getTable()
.getSelectionCount();
int index = selectedColumnsViewer.getTable()
.getSelectionIndex();
if (count == 1) {
btnRemove.setEnabled(true);
if (selectedColumnsViewer.getTable().getItemCount() == 1) {
btnMoveUp.setEnabled(false);
btnMoveDown.setEnabled(false);
} else if (index == 0) {
btnMoveUp.setEnabled(false);
btnMoveDown.setEnabled(true);
} else if (index == (selectedColumnsViewer
.getTable().getItemCount() - 1)) {
btnMoveUp.setEnabled(true);
btnMoveDown.setEnabled(false);
} else {
btnMoveUp.setEnabled(true);
btnMoveDown.setEnabled(true);
}
} else if (count > 1) {
btnRemove.setEnabled(true);
btnMoveUp.setEnabled(false);
btnMoveDown.setEnabled(false);
} else {
btnRemove.setEnabled(false);
btnMoveUp.setEnabled(false);
btnMoveDown.setEnabled(false);
}
}
});
setColumnsViewerContent();
setColumnsViewerLabels();
selectedColumnsViewer.getTable().addMouseListener(new MouseAdapter() {
public void mouseDoubleClick(MouseEvent e) {
removeColumns();
}
});
createEditBtnGroup(rightComposite);
}
/**
* Create the right button group that displays the UP,DOWN and REMOVE
* buttons
*
* @param rightComposite
*/
private void createEditBtnGroup(Composite rightComposite) {
Composite btnComposite = new Composite(rightComposite, SWT.NONE);
GridLayout layout = new GridLayout();
layout.verticalSpacing = 5;
btnComposite.setLayout(layout);
btnMoveUp = new Button(btnComposite, SWT.NONE);
btnMoveUp.setText(Messages.getString("button.moveUp")); //$NON-NLS-1$
btnMoveUp.setToolTipText(Messages.getString("tooltip.button.up")); //$NON-NLS-1$
btnMoveUp.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
moveUpItem();
}
});
btnRemove = new Button(btnComposite, SWT.NONE);
btnRemove.setText(Messages.getString("button.delete")); //$NON-NLS-1$
btnRemove.setToolTipText(Messages.getString("tooltip.button.delete")); //$NON-NLS-1$
btnRemove.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
removeColumns();
}
});
btnMoveDown = new Button(btnComposite, SWT.NONE);
btnMoveDown.setText(Messages.getString("button.moveDown")); //$NON-NLS-1$
btnMoveDown.setToolTipText(Messages.getString("tooltip.button.down")); //$NON-NLS-1$
btnMoveDown.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
moveDownItem();
}
});
resetButtonWidth();
}
private void resetButtonWidth() {
int widthHint = Math.max(
btnMoveUp.computeSize(SWT.DEFAULT, SWT.DEFAULT).x,
btnRemove.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
widthHint = Math.max(widthHint,
btnMoveDown.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
widthHint = Math.max(widthHint, 52);
GridData btnGd = new GridData();
btnGd.widthHint = widthHint;
btnMoveUp.setLayoutData(btnGd);
btnRemove.setLayoutData(btnGd);
btnMoveDown.setLayoutData(btnGd);
}
/**
* Set the labels of the ColumnsViewer
*
*/
private void setColumnsViewerLabels() {
selectedColumnsViewer.setLabelProvider(new ITableLabelProvider() {
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
return ((String[]) element)[columnIndex];
}
public void addListener(ILabelProviderListener listener) {
}
public void dispose() {
}
public boolean isLabelProperty(Object element, String property) {
return false;
}
public void removeListener(ILabelProviderListener listener) {
}
});
}
/**
* Set the content of the ColumnsViewer
*
*/
private void setColumnsViewerContent() {
selectedColumnsViewer
.setContentProvider(new IStructuredContentProvider() {
public Object[] getElements(Object inputElement) {
if (inputElement instanceof java.util.List) {
return ((java.util.List<?>) inputElement).toArray();
}
return new Object[0];
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput,
Object newInput) {
}
});
}
/**
* setup the editors in the table viewer
*
*/
private void setupEditors() {
CellEditor[] editors = new CellEditor[3];
editors[0] = new TextCellEditor(selectedColumnsViewer.getTable(),
SWT.NONE);
editors[2] = new ComboBoxCellEditor(selectedColumnsViewer.getTable(),
dataTypeDisplayNames, SWT.READ_ONLY);
selectedColumnsViewer.setColumnProperties(new String[] { name,
originalName, dataType });
selectedColumnsViewer.setCellEditors(editors);
selectedColumnsViewer.setCellModifier(new ICellModifier() {
public boolean canModify(Object element, String property) {
return true;
}
public Object getValue(Object element, String property) {
Object value = null;
if (name.equals(property)) {
value = ((String[]) element)[0];
} else if (originalName.equals(property)) {
value = ((String[]) element)[1];
} else if (dataType.equals(property)) {
String temp = ((String[]) element)[2];
if (temp == null) {
value = new Integer(0);
} else {
for (int i = 0; i < dataTypeDisplayNames.length; i++) {
if (temp.equals(dataTypeDisplayNames[i])) {
value = new Integer(i);
break;
}
}
}
}
return value;
}
public void modify(Object element, String property, Object value) {
String[] actualElement = (String[]) ((TableItem) element)
.getData();
if (value != null) {
if (name.equals(property)) {
if (isUnique(actualElement, (String) value)
&& !isEmpty((String) value)) {
replace(actualElement, property, (String) value);
selectedColumnsViewer.refresh();
setMessage(DEFAULT_MESSAGE);
} else {
setMessage(
Messages.getString("error.duplicatedNameValueOrEmpty"), //$NON-NLS-1$
WARNING);
}
} else if (dataType.equals(property)) {
int index = ((Integer) value).intValue();
if (!(dataTypeDisplayNames[index])
.equals(actualElement[2])) {
replace(actualElement, property,
dataTypeDisplayNames[index]);
selectedColumnsViewer.refresh();
}
}
return;
} else
return;
}
});
}
/**
* see if the value in the selected element of the saved selected columns
* information is unique or not
*
* @param element
* the selected element
* @param value
* the value
* @return
*/
private boolean isUnique(String[] element, String value) {
for (int i = 0; i < savedSelectedColumnsInfoList.size(); i++) {
if (i != savedSelectedColumnsInfoList.indexOf(element)
&& value.equalsIgnoreCase(((String[]) savedSelectedColumnsInfoList
.get(i))[0]))
return false;
}
return true;
}
private boolean isEmpty(String value) {
return (value.trim().equals("")); //$NON-NLS-1$
}
/**
* get the count of hte existence of the given column name in the already
* saved selected columns information
*
* @param columnName
* given column name
* @return
*/
private int getExistenceCount(String columnName) {
int count = 0;
java.util.List<Object> existedColumns = new ArrayList<Object>();
for (int i = 0; i < savedSelectedColumnsInfoList.size(); i++) {
if (columnName.equals(((String[]) savedSelectedColumnsInfoList
.get(i))[1])) {
count++;
existedColumns.add(savedSelectedColumnsInfoList.get(i));
}
}
for (int j = 0; j < existedColumns.size(); j++) {
if ((columnName + "_" + count).equals(((String[]) savedSelectedColumnsInfoList.get(j))[0])) //$NON-NLS-1$
{
count++;
j = -1;
}
}
return count;
}
/**
* replace the element in the saved selected columns information list
*
* @param element
* the selected element
* @param property
* the element's selected property
* @param value
* the value of the selected property in the element
*/
private void replace(String[] element, String property, String value) {
int index = savedSelectedColumnsInfoList.indexOf((Object) element);
if (name.equals(property)) {
element[0] = value;
savedSelectedColumnsInfoList.set(index, element);
} else if (dataType.equals(property)) {
element[2] = value;
savedSelectedColumnsInfoList.set(index, element);
}
}
private String getFileName( Object obj )
{
if ( obj instanceof File )
return ( (File) obj ).getName( );
else if ( obj instanceof URI)
return ((URI)obj).getPath( );
return obj.toString( );
}
/*
* File Combo Viewer selection changed listener
*
* @see
* org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(
* org.eclipse.jface.viewers.SelectionChangedEvent)
*/
public void selectionChanged(SelectionChangedEvent event) {
String sheetName = (String) ((IStructuredSelection) event
.getSelection()).getFirstElement();
String queryText = this.getInitializationDesign( ).getQueryText( );
if ( sheetName.equalsIgnoreCase( currentSheetName ) && isNewFile( queryText, getFileName( selectedFile ) ))
{
flag = false;
return;
}
else if (flag)
{
flag = false;
return;
}
if (currentSheetName != null && !MessageDialog.openConfirm(worksheetsCombo.getControl()
.getShell(), Messages
.getString("confirm.reselectWorksheetTitle"), //$NON-NLS-1$
Messages.getString("confirm.reselectWorksheetMessage"))) //$NON-NLS-1$
{
flag = true;
worksheetsCombo.setSelection(new StructuredSelection(
currentSheetName));
return;
}
currentSheetName = sheetName;
setPageComplete(false);
selectedColumnsViewer.getTable().removeAll();
savedSelectedColumnsInfoList.clear();
availableList.removeAll();
if (this.getShell( ) != null)
{
Cursor waitCursor = new Cursor(this.getShell().getDisplay(),
SWT.CURSOR_WAIT);
this.getControl( ).setCursor( waitCursor );
}
String fileName = getFileName( selectedFile );
String[] columnNames = getFileColumnNames(selectedFile);
if (columnNames != null && columnNames.length != 0) {
enableListAndViewer();
availableList.setItems(columnNames);
availableList.select(0);
btnAdd.setEnabled( true );
btnRemove.setEnabled(false);
btnMoveUp.setEnabled(false);
btnMoveDown.setEnabled(false);
if (!(fileName.endsWith(ExcelODAConstants.XLS_FORMAT) || fileName
.endsWith(ExcelODAConstants.XLSX_FORMAT))) {
setMessage(Messages.getString("warning.fileExtensionInvalid"), //$NON-NLS-1$
WARNING);
}
else
{
if (selectedColumnsViewer.getTable().getItemCount() == 0)
{
String errMsg = currentSheetName == null ?
Messages.getString("error.selectWorksheet") : //$NON-NLS-1$
Messages.getString("error.selectColumns"); //$NON-NLS-1$
setMessage( errMsg, ERROR );
}
else
{
setMessage(DEFAULT_MESSAGE);
}
}
}
// reset cursor back to normal state
if (this.getShell( ) != null)
{
Cursor normalCursor = new Cursor(this.getShell().getDisplay(),
SWT.CURSOR_ARROW);
this.getControl( ).setCursor( normalCursor );
}
}
/**
* Load the custom properties
*/
private void loadProperties() {
java.util.Properties dataSourceProps = null;
try {
dataSourceProps = DesignSessionUtil
.getEffectiveDataSourceProperties(getInitializationDesign()
.getDataSourceDesign());
} catch (OdaException e) {
this.setMessage(e.getLocalizedMessage(), ERROR);
return;
}
uriPath = dataSourceProps
.getProperty(ExcelODAConstants.CONN_FILE_URI_PROP);
inclColumnNameLine = dataSourceProps
.getProperty(ExcelODAConstants.CONN_INCLCOLUMNNAME_PROP);
inclTypeLine = dataSourceProps
.getProperty(ExcelODAConstants.CONN_INCLTYPELINE_PROP);
DataSetDesign dataSetDesign = getInitializationDesign();
if (dataSetDesign == null)
return; // nothing to initialize
if (dataSetDesign.getPublicProperties() != null) {
currentSheetName = dataSetDesign.getPublicProperties().getProperty(
ExcelODAConstants.CONN_WORKSHEETS_PROP);
}
}
static class ExcelFileFilter implements FilenameFilter {
@Override
public boolean accept(File dir, String fileName) {
File file = new File(dir + File.separator + fileName);
if (file.isFile() && !file.isHidden()) {
if (fileName.endsWith(ExcelODAConstants.XLS_FORMAT)
|| fileName
.endsWith(ExcelODAConstants.XLSX_FORMAT))
return true;
return false;
} else
return false;
}
}
private boolean isNewFile(String queryText, String selectedFile)
{
return queryText.contains( selectedFile );
}
/**
* Update file list in combo viewer
*/
private void updateFileList( )
{
if ( uriPath == null )
{
disableAll( );
return;
}
ArrayList<Object> allFiles = new ArrayList<Object>( );
URI uri = null;
try
{
ResourceIdentifiers ri = DesignSessionUtil.createRuntimeResourceIdentifiers( getHostResourceIdentifiers( ) );
uri = ResourceLocatorUtil.resolvePath( ri, uriPath );
}
catch ( OdaException e )
{
setMessage( Messages.getString( "ui.ExcelFileNotFound" ) + uri + //$NON-NLS-1$
"; " + e.getLocalizedMessage( ) ); //$NON-NLS-1$
disableAll( );
return;
}
if ( uri == null )
{
setMessage( Messages.getString( "ui.ExcelFileNotFound" ) + uri ); //$NON-NLS-1$
disableAll( );
return;
}
try
{
ResourceLocatorUtil.validateFileURI( uri );
allFiles.add( uri );
}
catch ( Exception ignore )
{
}
if ( allFiles.size( ) > 0 )
{
enableListAndViewer( );
selectedFile = allFiles.get( 0 );
String extension = ExcelFileReader.getExtensionName( selectedFile );
if ( extension.equals( ExcelODAConstants.XLS_FORMAT )
|| extension.equals( ExcelODAConstants.XLSX_FORMAT ) )
{
setMessage( DEFAULT_MESSAGE );
}
else
setMessage( Messages.getString( "warning.fileExtensionInvalid" ), //$NON-NLS-1$
ERROR );
try
{
populateWorkSheetCombo( );
String queryText = getInitializationDesign().getQueryText();
if ( currentSheetName != null
&& isNewFile(queryText, getFileName( selectedFile ) ) )
{
String[] columnNames = getFileColumnNames( selectedFile );
availableList.setItems( columnNames );
}
}
catch ( Exception e )
{