data-miner-manager-widget/src/main/java/org/gcube/portlets/widgets/dataminermanagerwidget/client/experiments/OperatorsPanel.java

381 lines
12 KiB
Java

/**
*
*/
package org.gcube.portlets.widgets.dataminermanagerwidget.client.experiments;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.gcube.data.analysis.dataminermanagercl.shared.process.Operator;
import org.gcube.data.analysis.dataminermanagercl.shared.process.OperatorCategory;
import org.gcube.data.analysis.dataminermanagercl.shared.process.OperatorsClassification;
import org.gcube.portlets.widgets.dataminermanagerwidget.client.DataMinerManager;
import org.gcube.portlets.widgets.dataminermanagerwidget.client.common.EventBusProvider;
import org.gcube.portlets.widgets.dataminermanagerwidget.client.events.OperatorsClassificationEvent;
import org.gcube.portlets.widgets.dataminermanagerwidget.client.events.OperatorsClassificationRequestEvent;
import org.gcube.portlets.widgets.dataminermanagerwidget.client.type.OperatorsClassificationRequestType;
import org.gcube.portlets.widgets.dataminermanagerwidget.shared.Constants;
import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.HTML;
import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
import com.sencha.gxt.core.client.util.Margins;
import com.sencha.gxt.data.shared.Store;
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.SimpleContainer;
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.form.StoreFilterField;
import com.sencha.gxt.widget.core.client.menu.Item;
import com.sencha.gxt.widget.core.client.menu.Menu;
import com.sencha.gxt.widget.core.client.menu.MenuItem;
import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
/**
*
* @author Giancarlo Panichi email: <a
* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
*
*/
public class OperatorsPanel extends FramedPanel {
private static final String LOADING_MESSAGE = "Loading Operators...";
// private static final String ERROR_GET_OPERATORS =
// "Operators not loaded.";
private static final String SHOW_ALL_OPERATORS_TOOLTIP = "Show all Operators without category classification.";
private static final String SHOW_CATEGORIES_TOOLTIP = "Show Operators by Categories";
private OperatorsPanelHandler handler;
private VerticalLayoutContainer topV;
private ToolBar toolBar;
private VerticalLayoutContainer v;
private OperatorsClassification operatorsClassification;
private List<Operator> operators;
// private ArrayList<OperatorCategoryPanel> categoryPanels;
private Map<String, List<OperatorCategoryPanel>> mapCategoriesPanels = new HashMap<String, List<OperatorCategoryPanel>>();
private enum View {
CATEGORIES, FILTER, ALL
};
private View view = null;
private String currentClassificationName = Constants.UserClassificationName;
/**
*
*/
public OperatorsPanel(OperatorsPanelHandler handler) {
super();
this.handler = handler;
this.operators = new ArrayList<Operator>();
init();
bind();
create();
}
private void init() {
setHeadingText("Operators");
setBodyStyle("backgroundColor:white;");
setCollapsible(true);
}
private void bind() {
EventBusProvider.INSTANCE
.addHandler(
OperatorsClassificationEvent.TYPE,
new OperatorsClassificationEvent.OperatorsClassificationEventHandler() {
@Override
public void onOperatorsClassification(
OperatorsClassificationEvent event) {
Log.debug("OperatorsPanel catch OperatorsClassificationEvent: "
+ event);
manageOperatorsClassificationEvent(event);
}
});
}
private void manageOperatorsClassificationEvent(
OperatorsClassificationEvent event) {
if (event.getOperatorsClassificationRequestType().compareTo(
OperatorsClassificationRequestType.ByName) == 0) {
if (currentClassificationName.compareTo(event
.getClassificationName()) == 0) {
waitMessage(false);
if (event.getOperatorsClassification() != null) {
operatorsClassification = event
.getOperatorsClassification();
operators.clear();
operators.addAll(event.getOperatorsClassification()
.getOperators());
String operatorId = event.getOperatorId();
Log.debug("ShowCategoriesList");
List<OperatorCategoryPanel> categoryPanels = mapCategoriesPanels
.get(currentClassificationName);
if (categoryPanels == null) {
categoryPanels = new ArrayList<OperatorCategoryPanel>();
if (operatorsClassification != null) {
for (OperatorCategory cat : operatorsClassification
.getOperatorCategories()) {
categoryPanels.add(new OperatorCategoryPanel(
handler, cat));
}
}
mapCategoriesPanels.put(currentClassificationName,
categoryPanels);
}
v.clear();
for (OperatorCategoryPanel panel : categoryPanels){
v.add(panel);
}
view = View.CATEGORIES;
if(operatorId!=null&&!operatorId.isEmpty()){
OperatorCategory operatorCategoryDefault=null;
Operator operatorDefault=null;
for(Operator op:operators){
if(op.getId().compareTo(operatorId)==0){
operatorDefault=op;
operatorCategoryDefault=op.getCategory();
break;
}
}
if(operatorCategoryDefault!=null){
for (OperatorCategoryPanel opCategoryPanel : categoryPanels){
if(opCategoryPanel.getCategory().compareTo(operatorCategoryDefault)==0){
opCategoryPanel.setOperatorDefault(operatorDefault);
break;
}
}
}
}
forceLayout();
}
}
}
}
private void create() {
topV = new VerticalLayoutContainer();
initToolbar();
topV.add(toolBar, new VerticalLayoutData(1, -1, new Margins(0)));
SimpleContainer operators = new SimpleContainer();
v = new VerticalLayoutContainer();
v.setScrollMode(ScrollMode.AUTO);
operators.add(v);
topV.add(operators, new VerticalLayoutData(1, 1, new Margins(0)));
add(topV);
waitMessage(true);
OperatorsClassificationRequestEvent operatorsClassificationRequestEvent = new OperatorsClassificationRequestEvent(
currentClassificationName, true);
Log.debug("OperatorsPanel fire: " + operatorsClassificationRequestEvent);
EventBusProvider.INSTANCE
.fireEvent(operatorsClassificationRequestEvent);
}
/**
*
*/
private void initToolbar() {
toolBar = new ToolBar();
final StoreFilterField<String> filterField = new StoreFilterField<String>() {
@Override
protected boolean doSelect(Store<String> store, String parent,
String item, String filter) {
Log.debug("StoreFilterField: " + item + " " + filter);
return false;
}
};
filterField.addKeyUpHandler(new KeyUpHandler() {
@Override
public void onKeyUp(KeyUpEvent event) {
String searchText = filterField.getCurrentValue();
if (searchText == null || searchText.isEmpty()) {
showCategoriesList(false);
} else {
if (searchText.length() >= 2) {
showFilteredList(searchText);
}
}
}
});
filterField.setWidth(100);
TextButton showAllOperatorsButton = new TextButton();
showAllOperatorsButton.setIcon(DataMinerManager.resources
.sortAscending());
showAllOperatorsButton
.addSelectHandler(new SelectEvent.SelectHandler() {
@Override
public void onSelect(SelectEvent event) {
filterField.clear();
showAllOperatorsList();
}
});
showAllOperatorsButton.setToolTip(SHOW_ALL_OPERATORS_TOOLTIP);
TextButton showCategoriesButton = new TextButton();
showCategoriesButton.setIcon(DataMinerManager.resources.tree());
showCategoriesButton.addSelectHandler(new SelectEvent.SelectHandler() {
@Override
public void onSelect(SelectEvent event) {
filterField.clear();
showCategoriesList(false);
}
});
showCategoriesButton.setToolTip(SHOW_CATEGORIES_TOOLTIP);
final TextButton btnMenuPerspective = new TextButton(
currentClassificationName);
btnMenuPerspective
.setIcon(DataMinerManager.resources.userPerspective());
Menu menuPerspective = new Menu();
for (final String perspectiveName : Constants.ClassificationNames) {
final ImageResource img = perspectiveName
.equals(Constants.UserClassificationName) ? DataMinerManager.resources
.userPerspective() : DataMinerManager.resources
.computationPerspective();
MenuItem perspectiveItem = new MenuItem(perspectiveName);
perspectiveItem.addSelectionHandler(new SelectionHandler<Item>() {
@Override
public void onSelection(SelectionEvent<Item> event) {
filterField.clear();
currentClassificationName = perspectiveName;
btnMenuPerspective.setText(perspectiveName);
btnMenuPerspective.setIcon(img);
showCategoriesList(true);
}
});
perspectiveItem.setIcon(img);
menuPerspective.add(perspectiveItem);
}
btnMenuPerspective.setMenu(menuPerspective);
toolBar.add(showCategoriesButton);
toolBar.add(showAllOperatorsButton);
toolBar.add(filterField);
toolBar.add(btnMenuPerspective);
return;
}
private void waitMessage(boolean show) {
if (show)
this.mask(LOADING_MESSAGE);
else
this.unmask();
}
private void showFilteredList(String searchText) {
List<Operator> filteredOperators = new ArrayList<Operator>();
List<String> ids = new ArrayList<String>();
for (Operator op : operators)
// check for filtering and prevent duplicates
if (op.getName().toLowerCase().contains(searchText.toLowerCase())
&& !ids.contains(op.getId())) {
filteredOperators.add(op);
ids.add(op.getId());
}
v.clear();
HTML html = new HTML("Filtered results <span class='counter'>("
+ filteredOperators.size() + " item"
+ (filteredOperators.size() == 1 ? "" : "s") + " found)</span>");
html.addStyleName("filterResultText");
v.add(html);
for (Operator op : filteredOperators)
v.add(new OperatorPanel(op, handler));
view = View.FILTER;
forceLayout();
}
private void showCategoriesList(boolean force) {
try {
if (force || view != View.CATEGORIES) {
Log.debug("ShowCategoriesList");
List<OperatorCategoryPanel> categoryPanels = mapCategoriesPanels
.get(currentClassificationName);
if (categoryPanels == null) {
categoryPanels = new ArrayList<OperatorCategoryPanel>();
if (operatorsClassification != null) {
for (OperatorCategory cat : operatorsClassification
.getOperatorCategories()) {
categoryPanels.add(new OperatorCategoryPanel(
handler, cat));
}
}
mapCategoriesPanels.put(currentClassificationName,
categoryPanels);
}
v.clear();
for (OperatorCategoryPanel panel : categoryPanels)
v.add(panel);
view = View.CATEGORIES;
forceLayout();
}
} catch (Throwable e) {
Log.error(e.getLocalizedMessage());
e.printStackTrace();
}
}
private void showAllOperatorsList() {
if (view != View.ALL) {
v.clear();
HTML html = new HTML("All Operators <span class='counter'>("
+ operators.size() + " item"
+ (operators.size() == 1 ? "" : "s") + " found)</span>");
html.addStyleName("filterResultText");
v.add(html);
for (Operator op : operators)
v.add(new OperatorPanel(op, handler));
view = View.ALL;
forceLayout();
}
}
}