tabular-data-column-widget/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java

299 lines
10 KiB
Java

package org.gcube.portlets.user.td.columnwidget.client;
import java.util.ArrayList;
import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataProperties;
import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataTypeProperties;
import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnTypeCodeProperties;
import org.gcube.portlets.user.td.columnwidget.client.store.ColumnDataTypeElement;
import org.gcube.portlets.user.td.columnwidget.client.store.ColumnDataTypeStore;
import org.gcube.portlets.user.td.columnwidget.client.store.ColumnTypeCodeElement;
import org.gcube.portlets.user.td.columnwidget.client.store.ColumnTypeCodeStore;
import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnDataType;
import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnTypeCode;
import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
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.rpc.AsyncCallback;
import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
import com.sencha.gxt.core.client.util.Margins;
import com.sencha.gxt.data.client.loader.RpcProxy;
import com.sencha.gxt.data.shared.LabelProvider;
import com.sencha.gxt.data.shared.ListStore;
import com.sencha.gxt.data.shared.loader.ListLoadConfig;
import com.sencha.gxt.data.shared.loader.ListLoadResult;
import com.sencha.gxt.data.shared.loader.ListLoadResultBean;
import com.sencha.gxt.data.shared.loader.ListLoader;
import com.sencha.gxt.data.shared.loader.LoadResultListStoreBinding;
import com.sencha.gxt.widget.core.client.ContentPanel;
import com.sencha.gxt.widget.core.client.FramedPanel;
import com.sencha.gxt.widget.core.client.button.TextButton;
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.form.ComboBox;
import com.sencha.gxt.widget.core.client.form.FieldLabel;
import com.sencha.gxt.widget.core.client.form.TextField;
import com.sencha.gxt.widget.core.client.info.Info;
public class ChangeColumnTypePanel extends FramedPanel {
protected String WIDTH = "640px";
protected String HEIGHT = "520px";
protected ChangeColumnTypeDialog parent;
protected TextField label = null;
protected TRId trId;
protected String columnName;
protected ColumnData column;
protected ComboBox<ColumnData> comboColumn = null;
protected ComboBox<ColumnTypeCodeElement> comboColumnTypeCode = null;
protected ComboBox<ColumnDataTypeElement> comboMeasureType = null;
protected TextField labelColumn;
protected FieldLabel comboMeasureTypeLabel;
public ChangeColumnTypePanel(TRId trId, String columnName) {
setWidth(WIDTH);
setHeight(HEIGHT);
setHeaderVisible(false);
setBodyBorder(false);
this.trId = trId;
this.columnName = columnName;
VerticalLayoutContainer basicLayout = new VerticalLayoutContainer();
ContentPanel panel = new ContentPanel();
panel.setHeaderVisible(false);
ColumnDataProperties propsColumnData = GWT
.create(ColumnDataProperties.class);
ListStore<ColumnData> storeCombo = new ListStore<ColumnData>(
propsColumnData.id());
Log.trace("StoreCombo created");
RpcProxy<ListLoadConfig, ListLoadResult<ColumnData>> proxy = new RpcProxy<ListLoadConfig, ListLoadResult<ColumnData>>() {
public void load(ListLoadConfig loadConfig,
final AsyncCallback<ListLoadResult<ColumnData>> callback) {
loadData(loadConfig, callback);
}
};
final ListLoader<ListLoadConfig, ListLoadResult<ColumnData>> loader = new ListLoader<ListLoadConfig, ListLoadResult<ColumnData>>(
proxy);
loader.setRemoteSort(false);
loader.addLoadHandler(new LoadResultListStoreBinding<ListLoadConfig, ColumnData, ListLoadResult<ColumnData>>(
storeCombo));
Log.trace("LoaderCombo created");
comboColumn = new ComboBox<ColumnData>(storeCombo,
propsColumnData.label()) {
protected void onAfterFirstAttach() {
super.onAfterFirstAttach();
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
public void execute() {
loader.load();
}
});
}
};
Log.trace("Combo ColumnData created");
addHandlersForEventObservation(comboColumn, propsColumnData.label());
comboColumn.setEmptyText("Select a column...");
comboColumn.setWidth(150);
comboColumn.setTypeAhead(true);
comboColumn.setEditable(true);
comboColumn.setTriggerAction(TriggerAction.ALL);
comboColumn.setLoader(loader);
// comboColumnTypeCode
ColumnTypeCodeProperties propsColumnTypeCode = GWT
.create(ColumnTypeCodeProperties.class);
ListStore<ColumnTypeCodeElement> storeComboTypeCode = new ListStore<ColumnTypeCodeElement>(
propsColumnTypeCode.id());
storeComboTypeCode.addAll(ColumnTypeCodeStore.getColumnTypeCodes());
comboColumnTypeCode = new ComboBox<ColumnTypeCodeElement>(
storeComboTypeCode, propsColumnTypeCode.label());
Log.trace("ComboColumnTypeCode created");
addHandlersForComboColumnTypeCode(propsColumnTypeCode.label());
comboColumnTypeCode.setEmptyText("Select a column type...");
comboColumnTypeCode.setWidth(150);
comboColumnTypeCode.setTypeAhead(true);
comboColumnTypeCode.setTriggerAction(TriggerAction.ALL);
// comboMeasureType
ColumnDataTypeProperties propsMeasureType = GWT
.create(ColumnDataTypeProperties.class);
ListStore<ColumnDataTypeElement> storeComboMeasureType = new ListStore<ColumnDataTypeElement>(
propsMeasureType.id());
storeComboMeasureType.addAll(ColumnDataTypeStore.getMeasureType());
comboMeasureType = new ComboBox<ColumnDataTypeElement>(
storeComboMeasureType, propsMeasureType.label());
Log.trace("ComboMeasureType created");
addHandlersForComboMeasureType(propsMeasureType.label());
comboMeasureType.setEmptyText("Select a column type...");
comboMeasureType.setWidth(150);
comboMeasureType.setTypeAhead(true);
comboMeasureType.setTriggerAction(TriggerAction.ALL);
comboMeasureTypeLabel=new FieldLabel(comboMeasureType, "Measure Type");
comboMeasureTypeLabel.setVisible(false);
FramedPanel form = new FramedPanel();
form.setHeaderVisible(false);
// form.setWidth(350);
form.setBodyStyle("background: none;");
labelColumn = new TextField();
VerticalLayoutContainer v = new VerticalLayoutContainer();
v.add(new FieldLabel(comboColumn, "Column"), new VerticalLayoutData(1,
-1));
v.add(new FieldLabel(labelColumn, "Label"), new VerticalLayoutData(1,
-1));
v.add(new FieldLabel(comboColumnTypeCode, "Column Type"),
new VerticalLayoutData(1, -1));
v.add(comboMeasureTypeLabel,
new VerticalLayoutData(1, -1));
form.add(v);
form.addButton(new TextButton("Change"));
panel.add(form);
basicLayout.add(panel, new VerticalLayoutData(-1, -1, new Margins()));
add(basicLayout);
}
private <T> void addHandlersForEventObservation(ComboBox<T> combo,
final LabelProvider<T> labelProvider) {
combo.addValueChangeHandler(new ValueChangeHandler<T>() {
public void onValueChange(ValueChangeEvent<T> event) {
Info.display(
"Value Changed",
"New value: "
+ (event.getValue() == null ? "nothing"
: labelProvider.getLabel(event
.getValue()) + "!"));
}
});
combo.addSelectionHandler(new SelectionHandler<T>() {
public void onSelection(SelectionEvent<T> event) {
Info.display(
"State Selected",
"You selected "
+ (event.getSelectedItem() == null ? "nothing"
: labelProvider.getLabel(event
.getSelectedItem()) + "!"));
}
});
}
protected void addHandlersForComboColumnTypeCode(final LabelProvider<ColumnTypeCodeElement> labelProvider){
comboColumnTypeCode.addSelectionHandler(new SelectionHandler<ColumnTypeCodeElement>() {
public void onSelection(SelectionEvent<ColumnTypeCodeElement> event) {
Info.display(
"Type Selected",
"You selected "
+ (event.getSelectedItem() == null ? "nothing"
: labelProvider.getLabel(event
.getSelectedItem()) + "!"));
Log.debug("ComboColumnTypeCode selected: "+event.getSelectedItem());
ColumnTypeCodeElement columnType=event.getSelectedItem();
updateColumnType(columnType.getCode());
}
});
}
protected void addHandlersForComboMeasureType(final LabelProvider<ColumnDataTypeElement> labelProvider){
comboMeasureType.addSelectionHandler(new SelectionHandler<ColumnDataTypeElement>() {
public void onSelection(SelectionEvent<ColumnDataTypeElement> event) {
Info.display(
"Type Selected",
"You selected "
+ (event.getSelectedItem() == null ? "nothing"
: labelProvider.getLabel(event
.getSelectedItem()) + "!"));
Log.debug("ComboMeasureType selected: "+event.getSelectedItem());
ColumnDataTypeElement measureType=event.getSelectedItem();
updateMeasureType(measureType.getType());
}
});
}
protected void updateColumnType(ColumnTypeCode type){
if(type==ColumnTypeCode.MEASURE){
comboMeasureTypeLabel.setVisible(true);
} else {
comboMeasureTypeLabel.setVisible(false);
}
}
protected void updateMeasureType(ColumnDataType type){
/*if(type==ColumnDataType.Integer){
} else {
}*/
}
protected void loadData(ListLoadConfig loadConfig,
final AsyncCallback<ListLoadResult<ColumnData>> callback) {
TDGWTServiceAsync.INSTANCE.getColumns(trId,
new AsyncCallback<ArrayList<ColumnData>>() {
public void onFailure(Throwable caught) {
Log.error("load combo failure:"
+ caught.getLocalizedMessage());
callback.onFailure(caught);
}
public void onSuccess(ArrayList<ColumnData> result) {
Log.trace("loaded " + result.size() + " ColumnData");
if (columnName != null) {
for (ColumnData cd : result) {
if (cd.getName().compareTo(columnName) == 0) {
comboColumn.setValue(cd);
labelColumn.setValue(cd.getLabel());
comboColumnTypeCode.select(ColumnTypeCodeStore
.selected(cd.getTypeCode()));
}
}
}
callback.onSuccess(new ListLoadResultBean<ColumnData>(
result));
}
});
}
}