277 lines
8.0 KiB
Java
277 lines
8.0 KiB
Java
package org.gcube.portlets.user.td.csvexportwidget.client;
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import java.util.ArrayList;
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import org.gcube.portlets.user.td.csvexportwidget.client.grid.ColumnDataGridPanel;
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import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
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import org.gcube.portlets.user.td.gwtservice.shared.csv.AvailableCharsetList;
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import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVExportSession;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
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import org.gcube.portlets.user.td.wizardwidget.client.WizardCard;
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import com.allen_sauer.gwt.log.client.Log;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.event.logical.shared.SelectionEvent;
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import com.google.gwt.event.logical.shared.SelectionHandler;
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import com.google.gwt.event.logical.shared.ValueChangeEvent;
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import com.google.gwt.event.logical.shared.ValueChangeHandler;
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import com.google.gwt.user.client.Command;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.HasValue;
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import com.google.gwt.user.client.ui.HorizontalPanel;
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import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
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import com.sencha.gxt.core.client.util.Padding;
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import com.sencha.gxt.core.client.util.ToggleGroup;
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import com.sencha.gxt.data.shared.StringLabelProvider;
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import com.sencha.gxt.widget.core.client.box.AlertMessageBox;
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import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
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import com.sencha.gxt.widget.core.client.event.HideEvent;
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import com.sencha.gxt.widget.core.client.event.HideEvent.HideHandler;
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import com.sencha.gxt.widget.core.client.form.FieldLabel;
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import com.sencha.gxt.widget.core.client.form.FormPanel;
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import com.sencha.gxt.widget.core.client.form.Radio;
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import com.sencha.gxt.widget.core.client.form.SimpleComboBox;
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import com.sencha.gxt.widget.core.client.form.TextField;
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import com.sencha.gxt.widget.core.client.tips.ToolTip;
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import com.sencha.gxt.widget.core.client.tips.ToolTipConfig;
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/**
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*
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* @author "Giancarlo Panichi" <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class CSVExportConfigCard extends WizardCard {
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private static final String DEFAULT_DELIMETER = ",";
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protected CSVExportSession exportSession;
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protected SimpleComboBox<String> encodings;
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protected TextField customDelimiterField;
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protected Radio otherDelimiter;
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protected Radio commaDelimiter;
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protected Radio spaceDelimiter;
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protected Radio tabDelimiter;
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protected Radio semicoloDelimiter;
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protected ColumnDataGridPanel csvColumnGridPanel;
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public CSVExportConfigCard(final CSVExportSession exportSession) {
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super("CSV configuration", "");
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if (exportSession == null) {
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Log.error("CSVExportSession is null");
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}
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this.exportSession = exportSession;
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FormPanel panel = createPanel();
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setContent(panel);
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}
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protected FormPanel createPanel() {
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FormPanel panel = new FormPanel();
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panel.setLabelWidth(90);
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panel.getElement().setPadding(new Padding(5));
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VerticalLayoutContainer content = new VerticalLayoutContainer();
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panel.add(content);
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encodings = new SimpleComboBox<String>(
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new StringLabelProvider<String>());
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encodings.setToolTip("The CSV file encoding");
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encodings.setTabIndex(0);
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encodings.setEditable(false);
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encodings.setForceSelection(true);
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encodings.setTriggerAction(TriggerAction.ALL);
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encodings.addSelectionHandler(new SelectionHandler<String>() {
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public void onSelection(SelectionEvent<String> event) {
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}
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});
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encodings.focus();
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TDGWTServiceAsync.INSTANCE
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.getAvailableCharset(new AsyncCallback<AvailableCharsetList>() {
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public void onSuccess(AvailableCharsetList result) {
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GWT.log("CharsetInfo: "
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+ result.getCharsetList().size()
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+ " charset, default: "
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+ result.getDefaultCharset());
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for (String charset : result.getCharsetList())
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encodings.add(charset);
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encodings.setValue(result.getDefaultCharset());
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}
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/**
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* {@inheritDoc}
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*/
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public void onFailure(Throwable caught) {
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GWT.log("Error loading charset list", caught);
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showErrorAndHide("Error loading charset list",
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"Error loading charset list", "", caught);
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}
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});
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content.add(new FieldLabel(encodings, "File encoding"));
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commaDelimiter = new Radio();
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commaDelimiter.setBoxLabel("Comma");
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commaDelimiter.setValue(true);
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spaceDelimiter = new Radio();
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spaceDelimiter.setBoxLabel("Space");
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tabDelimiter = new Radio();
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tabDelimiter.setBoxLabel("Tab");
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semicoloDelimiter = new Radio();
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semicoloDelimiter.setBoxLabel("Semicolon");
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otherDelimiter = new Radio();
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otherDelimiter.setBoxLabel("Other delimiter");
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customDelimiterField = new TextField();
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customDelimiterField.setEnabled(false);
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customDelimiterField.setValue(DEFAULT_DELIMETER);
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customDelimiterField.setAllowBlank(false);
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customDelimiterField.setWidth(20);
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ToggleGroup delimitersGroup = new ToggleGroup();
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delimitersGroup.add(commaDelimiter);
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delimitersGroup.add(spaceDelimiter);
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delimitersGroup.add(tabDelimiter);
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delimitersGroup.add(semicoloDelimiter);
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delimitersGroup.add(otherDelimiter);
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delimitersGroup
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.addValueChangeHandler(new ValueChangeHandler<HasValue<Boolean>>() {
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public void onValueChange(
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ValueChangeEvent<HasValue<Boolean>> event) {
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customDelimiterField.setEnabled(otherDelimiter
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.getValue());
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if (!otherDelimiter.getValue())
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customDelimiterField.clearInvalid();
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else
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customDelimiterField.validate();
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if (otherDelimiter.getValue()
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&& !customDelimiterField.isValid())
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return;
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}
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});
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HorizontalPanel delimitersPanel = new HorizontalPanel();
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delimitersPanel.add(commaDelimiter);
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delimitersPanel.add(spaceDelimiter);
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delimitersPanel.add(tabDelimiter);
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delimitersPanel.add(semicoloDelimiter);
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delimitersPanel.add(otherDelimiter);
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delimitersPanel.add(customDelimiterField);
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new ToolTip(delimitersPanel, new ToolTipConfig(
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"The delimiter use to delimit the CSV fields"));
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content.add(new FieldLabel(delimitersPanel, "Delimiter"));
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csvColumnGridPanel = new ColumnDataGridPanel();
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csvColumnGridPanel
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.addSelectionHandler(new SelectionHandler<ColumnData>() {
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public void onSelection(SelectionEvent<ColumnData> event) {
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}
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});
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content.add(csvColumnGridPanel);
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return panel;
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}
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protected char getSelectedDelimiter() {
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if (otherDelimiter.getValue())
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return customDelimiterField.getValue().charAt(0);
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if (commaDelimiter.getValue())
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return ',';
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if (spaceDelimiter.getValue())
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return ' ';
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if (tabDelimiter.getValue())
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return '\t';
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if (semicoloDelimiter.getValue())
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return ';';
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return DEFAULT_DELIMETER.charAt(0);
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}
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@Override
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public void setup() {
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Log.debug("CSVExportConfigCard Setup");
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Command sayNextCard = new Command() {
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public void execute() {
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Log.debug("CSVExportConfigCard Call sayNextCard");
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checkData();
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}
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};
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getWizardWindow().setNextButtonCommand(sayNextCard);
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setEnableBackButton(false);
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setEnableNextButton(true);
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}
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protected void checkData() {
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getWizardWindow().setEnableNextButton(false);
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getWizardWindow().setEnableBackButton(false);
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AlertMessageBox d;
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HideHandler hideHandler = new HideHandler() {
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public void onHide(HideEvent event) {
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getWizardWindow().setEnableNextButton(true);
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getWizardWindow().setEnableBackButton(false);
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}
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};
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ArrayList<ColumnData> columns = csvColumnGridPanel.getSelectedItems();
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if (columns.size() == 0) {
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d = new AlertMessageBox("Attention", "No columns selected");
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d.addHideHandler(hideHandler);
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d.setModal(false);
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d.show();
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} else {
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exportSession.setColumns(columns);
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exportSession.setEncoding(encodings.getCurrentValue());
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exportSession.setSeparator(String.valueOf(getSelectedDelimiter()));
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goNext();
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}
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}
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protected void goNext() {
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try {
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DestinationSelectionCard destCard = new DestinationSelectionCard(
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exportSession);
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getWizardWindow().addCard(destCard);
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getWizardWindow().nextCard();
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} catch (Exception e) {
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Log.error("sayNextCard :" + e.getLocalizedMessage());
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}
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}
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@Override
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public void dispose() {
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}
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}
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