tabular-data-csv-import-widget/src/main/java/org/gcube/portlets/user/td/csvimportwidget/client/CSVConfigCard.java

408 lines
12 KiB
Java

package org.gcube.portlets.user.td.csvimportwidget.client;
import java.util.ArrayList;
import org.gcube.portlets.user.td.csvimportwidget.client.csvgrid.CSVGrid;
import org.gcube.portlets.user.td.wizardwidget.client.WizardCard;
import org.gcube.portlets.user.td.csvimportwidget.client.util.ErrorMessageBox;
import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
import org.gcube.portlets.user.td.gwtservice.shared.csv.AvailableCharsetList;
import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVImportSession;
import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVRowError;
import org.gcube.portlets.user.td.gwtservice.shared.file.HeaderPresence;
import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasValue;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
import com.sencha.gxt.core.client.util.Padding;
import com.sencha.gxt.core.client.util.ToggleGroup;
import com.sencha.gxt.data.shared.LabelProvider;
import com.sencha.gxt.data.shared.StringLabelProvider;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
import com.sencha.gxt.widget.core.client.event.SelectEvent;
import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
import com.sencha.gxt.widget.core.client.form.FieldLabel;
import com.sencha.gxt.widget.core.client.form.FormPanel;
import com.sencha.gxt.widget.core.client.form.Radio;
import com.sencha.gxt.widget.core.client.form.SimpleComboBox;
import com.sencha.gxt.widget.core.client.form.TextField;
import com.sencha.gxt.widget.core.client.form.validator.MaxLengthValidator;
import com.sencha.gxt.widget.core.client.tips.ToolTip;
import com.sencha.gxt.widget.core.client.tips.ToolTipConfig;
/**
*
* @author "Giancarlo Panichi" <a
* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
*
*/
public class CSVConfigCard extends WizardCard {
private static final String DEFAULT_DELIMETER = ",";
private static final String DEFAULT_COMMENT = "#";
protected CSVImportSession csvImportSession;
protected SimpleComboBox<String> encodings;
protected SimpleComboBox<HeaderPresence> header;
protected TextField customDelimiterField;
protected Radio otherDelimiter;
protected Radio commaDelimiter;
protected Radio spaceDelimiter;
protected Radio tabDelimiter;
protected Radio semicoloDelimiter;
protected TextField commentField;
protected CsvCheckPanel csvCheckPanel;
protected CSVGrid csvSample;
public CSVConfigCard(final CSVImportSession csvImportSession) {
super("CSV configuration", "");
if (csvImportSession == null) {
Log.error("CSVImportSession is null");
}
this.csvImportSession = csvImportSession;
FormPanel panel = createPanel();
setContent(panel);
}
protected FormPanel createPanel() {
FormPanel panel = new FormPanel();
panel.setLabelWidth(90);
panel.getElement().setPadding(new Padding(5));
VerticalLayoutContainer content = new VerticalLayoutContainer();
panel.add(content);
encodings = new SimpleComboBox<String>(
new StringLabelProvider<String>());
encodings.setToolTip("The CSV file encoding");
encodings.setTabIndex(0);
encodings.setEditable(false);
encodings.setForceSelection(true);
encodings.setTriggerAction(TriggerAction.ALL);
encodings.addSelectionHandler(new SelectionHandler<String>() {
public void onSelection(SelectionEvent<String> event) {
updateGrid();
}
});
content.add(new FieldLabel(encodings, "File encoding"));
LabelProvider<HeaderPresence> labelProvider = new LabelProvider<HeaderPresence>() {
public String getLabel(HeaderPresence item) {
return item.getLabel();
}
};
header = new SimpleComboBox<HeaderPresence>(labelProvider);
header.setToolTip("The CSV file header");
header.setTabIndex(0);
header.setEditable(false);
header.setForceSelection(true);
header.setTriggerAction(TriggerAction.ALL);
for (HeaderPresence headerPresence : HeaderPresence.values())
header.add(headerPresence);
header.setValue(HeaderPresence.NONE);
header.addSelectionHandler(new SelectionHandler<HeaderPresence>() {
public void onSelection(SelectionEvent<HeaderPresence> event) {
updateGrid();
}
});
content.add(new FieldLabel(header, "Header"));
commaDelimiter = new Radio();
commaDelimiter.setBoxLabel("Comma");
commaDelimiter.setValue(true);
spaceDelimiter = new Radio();
spaceDelimiter.setBoxLabel("Space");
tabDelimiter = new Radio();
tabDelimiter.setBoxLabel("Tab");
semicoloDelimiter = new Radio();
semicoloDelimiter.setBoxLabel("Semicolon");
otherDelimiter = new Radio();
otherDelimiter.setBoxLabel("Other delimiter");
customDelimiterField = new TextField();
customDelimiterField.setEnabled(false);
customDelimiterField.setValue(DEFAULT_DELIMETER);
customDelimiterField.setAllowBlank(false);
customDelimiterField.setWidth(20);
ToggleGroup delimitersGroup = new ToggleGroup();
delimitersGroup.add(commaDelimiter);
delimitersGroup.add(spaceDelimiter);
delimitersGroup.add(tabDelimiter);
delimitersGroup.add(semicoloDelimiter);
delimitersGroup.add(otherDelimiter);
delimitersGroup
.addValueChangeHandler(new ValueChangeHandler<HasValue<Boolean>>() {
public void onValueChange(
ValueChangeEvent<HasValue<Boolean>> event) {
customDelimiterField.setEnabled(otherDelimiter
.getValue());
if (!otherDelimiter.getValue())
customDelimiterField.clearInvalid();
else
customDelimiterField.validate();
if (otherDelimiter.getValue()
&& !customDelimiterField.isValid())
return;
updateGrid();
}
});
HorizontalPanel delimitersPanel = new HorizontalPanel();
delimitersPanel.add(commaDelimiter);
delimitersPanel.add(spaceDelimiter);
delimitersPanel.add(tabDelimiter);
delimitersPanel.add(semicoloDelimiter);
delimitersPanel.add(otherDelimiter);
delimitersPanel.add(customDelimiterField);
new ToolTip(delimitersPanel, new ToolTipConfig(
"The delimiter use to delimit the CSV fields"));
content.add(new FieldLabel(delimitersPanel, "Delimiter"));
commentField = new TextField();
commentField.setToolTip("The character used as comment line prefix");
commentField.setValue(DEFAULT_COMMENT);
commentField.setAllowBlank(false);
commentField.getValidators().add(new MaxLengthValidator(1));
commentField.setWidth(20);
commentField.addChangeHandler(new ChangeHandler() {
public void onChange(ChangeEvent event) {
if (commentField.isValid())
updateGrid();
}
});
content.add(new FieldLabel(commentField, "Comment"));
csvSample = new CSVGrid();
content.add(csvSample, new VerticalLayoutData(1, -1));
content.add(new HTML("<BR>"));
csvCheckPanel = new CsvCheckPanel();
content.add(csvCheckPanel);
csvCheckPanel.getCheckConfiguration().addSelectHandler(
new SelectHandler() {
public void onSelect(SelectEvent event) {
checkConfiguration();
}
});
csvCheckPanel.getSkipInvalidCheckBox().addValueChangeHandler(
new ValueChangeHandler<Boolean>() {
public void onValueChange(ValueChangeEvent<Boolean> event) {
boolean skip = csvCheckPanel.getSkipInvalidCheckBox()
.getValue();
setEnableNextButton(skip);
CSVConfigCard.this.csvImportSession
.setSkipInvalidLines(skip);
}
});
return panel;
}
protected void checkConfiguration() {
csvCheckPanel.setActiveCheckingPanel();
csvCheckPanel.getCheckConfiguration().setEnabled(false);
TDGWTServiceAsync.INSTANCE.checkCSV(100,
new AsyncCallback<ArrayList<CSVRowError>>() {
public void onFailure(Throwable caught) {
ErrorMessageBox
.showError(
"An error occured checking the file",
"Please retry, if the error perstists change the CSV configuration",
"");
}
public void onSuccess(ArrayList<CSVRowError> errors) {
csvCheckPanel.getCheckConfiguration().setEnabled(true);
if (errors.size() == 0) {
setCheckCorrectMessage();
} else {
setCheckErrorMessage(errors);
}
}
});
}
protected void updateGrid() {
GWT.log("Started updating GRID");
resetCheckMessage();
csvSample.mask("Updating...");
GWT.log("updating CSV config");
HeaderPresence headerPresence = header.getCurrentValue();
char delimiter = getSelectedDelimiter();
String encoding = encodings.getCurrentValue();
char commentChar = commentField.getValue().charAt(0);
TDGWTServiceAsync.INSTANCE.configureCSVParser(encoding, headerPresence,
delimiter, commentChar, new AsyncCallback<ArrayList<String>>() {
public void onFailure(Throwable caught) {
Log.error("Failed updating CSV config", caught);
setEnableNextButton(false);
ErrorMessageBox
.showError(
"An error occured checking the file",
"Please retry, if the error perstists change the CSV configuration",
caught.getLocalizedMessage());
}
public void onSuccess(ArrayList<String> result) {
Log.info("CSV header getted");
csvImportSession.setHeaders(result);
for (String name : result)
Log.info("Column HEADER: " + name);
// csvImportSession.getId()
csvSample.configureColumns(result);
csvSample.unmask();
setEnableNextButton(false);
}
});
}
protected char getSelectedDelimiter() {
if (otherDelimiter.getValue())
return customDelimiterField.getValue().charAt(0);
if (commaDelimiter.getValue())
return ',';
if (spaceDelimiter.getValue())
return ' ';
if (tabDelimiter.getValue())
return '\t';
if (semicoloDelimiter.getValue())
return ';';
return DEFAULT_DELIMETER.charAt(0);
}
@Override
public void setup() {
setEnableBackButton(false);
setEnableNextButton(false);
encodings.focus();
TDGWTServiceAsync.INSTANCE
.getAvailableCharset(new AsyncCallback<AvailableCharsetList>() {
public void onSuccess(AvailableCharsetList result) {
GWT.log("CharsetInfo: "
+ result.getCharsetList().size()
+ " charset, default: "
+ result.getDefaultCharset());
for (String charset : result.getCharsetList())
encodings.add(charset);
encodings.setValue(result.getDefaultCharset());
updateGrid();
}
/**
* {@inheritDoc}
*/
public void onFailure(Throwable caught) {
GWT.log("Error loading charset list", caught);
showErrorAndHide("Error loading charset list",
"Error loading charset list", "", caught);
}
});
resetCheckMessage();
Command sayNextCard = new Command() {
public void execute() {
CSVTableDetailCard csvTableDetailCard = new CSVTableDetailCard(
csvImportSession);
getWizardWindow()
.addCard(csvTableDetailCard);
Log.info("NextCard SDMXTableDetailCard");
getWizardWindow().nextCard();
}
};
getWizardWindow().setNextButtonCommand(sayNextCard);
}
protected void resetCheckMessage() {
csvCheckPanel.setActiveInfoPanel();
}
protected void setCheckErrorMessage(ArrayList<CSVRowError> errors) {
csvCheckPanel.setActiveFailure(errors);
setEnableNextButton(false);
}
protected void setCheckCorrectMessage() {
csvCheckPanel.setActiveSuccess();
setEnableNextButton(true);
}
@Override
public void dispose() {
csvImportSession
.setColumnToImportMask(csvSample.getImportColumnsMask());
}
}