474 lines
14 KiB
Java
474 lines
14 KiB
Java
package org.gcube.portlets.user.databasesmanager.client.toolbar;
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import java.util.LinkedHashMap;
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import java.util.UUID;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.gcube.portlets.user.databasesmanager.client.GWTdbManagerServiceAsync;
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import org.gcube.portlets.user.databasesmanager.client.datamodel.SubmitQueryData;
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import org.gcube.portlets.user.databasesmanager.client.events.LoadTablesEvent;
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import org.gcube.portlets.user.databasesmanager.client.events.RandomSamplingEvent;
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import org.gcube.portlets.user.databasesmanager.client.events.SamplingEvent;
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import org.gcube.portlets.user.databasesmanager.client.events.SelectedTableEvent;
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import org.gcube.portlets.user.databasesmanager.client.events.ShowCreateTableEvent;
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import org.gcube.portlets.user.databasesmanager.client.events.SmartSamplingEvent;
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import org.gcube.portlets.user.databasesmanager.client.events.SubmitQueryEvent;
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import org.gcube.portlets.user.databasesmanager.client.events.interfaces.SelectedTableEventHandler;
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import org.gcube.portlets.user.databasesmanager.client.form.GxtFormSubmitQuery;
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import org.gcube.portlets.user.databasesmanager.client.utils.ConstantsPortlet;
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import com.extjs.gxt.ui.client.Style.ButtonArrowAlign;
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import com.extjs.gxt.ui.client.Style.ButtonScale;
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import com.extjs.gxt.ui.client.event.ButtonEvent;
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import com.extjs.gxt.ui.client.event.Events;
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import com.extjs.gxt.ui.client.event.Listener;
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import com.extjs.gxt.ui.client.event.SelectionListener;
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import com.extjs.gxt.ui.client.event.WindowEvent;
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import com.extjs.gxt.ui.client.widget.Dialog;
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import com.extjs.gxt.ui.client.widget.MessageBox;
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import com.extjs.gxt.ui.client.widget.button.Button;
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import com.extjs.gxt.ui.client.widget.layout.FitLayout;
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import com.extjs.gxt.ui.client.widget.toolbar.SeparatorToolItem;
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import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;
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import com.google.gwt.event.shared.HandlerManager;
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//toolbar to contain buttons
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public class GxtToolbarFunctionality {
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// event bus
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private HandlerManager eventBus = null;
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// buttons
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private Button btnTablesList;
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private Button btnSubmitQuery;
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// private Button btnGetInfo;
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private Button btnShowCreateTable;
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private Button btnSimpleSample;
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private Button btnSmartSample;
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private Button btnRandomSample;
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// toolbar
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private ToolBar toolBar;
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// dialog list. Each dialog contains a form
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private LinkedHashMap<Integer, Dialog> dialogList = new LinkedHashMap<Integer, Dialog>();
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private LinkedHashMap<Integer, SubmitQueryData> submitQueryDataList = new LinkedHashMap<Integer, SubmitQueryData>();
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private static int ID = 0; // ID asscociated to a dialog form
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// GWT logger
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private static Logger rootLogger = Logger
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.getLogger("GxtToolbarFunctionality");
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// RPC service
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private GWTdbManagerServiceAsync RPCservice = null;
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// Constructor
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// public GxtToolbarFunctionality(HandlerManager eBus) {
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// eventBus = eBus;
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// toolBar = new ToolBar();
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// initToolBar();
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// addHandler();
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// addSelectionListenersOnToolBar();
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// }
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// Constructor with GWTdbManagerServiceAsync service parameter
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public GxtToolbarFunctionality(HandlerManager eBus,
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GWTdbManagerServiceAsync service) {
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eventBus = eBus;
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RPCservice = service;
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toolBar = new ToolBar();
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initToolBar();
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addHandler();
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addSelectionListenersOnToolBar();
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}
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private void initToolBar() {
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// setLayout(new FlowLayout(10));
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// Button for tables list
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btnTablesList = new Button(ConstantsPortlet.TABLESLIST);
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// btnSubmitQuery.setIcon(Resources.ICONS.text());
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btnTablesList.setScale(ButtonScale.SMALL);
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btnTablesList.setArrowAlign(ButtonArrowAlign.BOTTOM);
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btnTablesList
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.setToolTip("returns the list of tables contained in the database schema");
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toolBar.add(btnTablesList);
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// Button for Submit Query
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btnSubmitQuery = new Button(ConstantsPortlet.SUBMITQUERY);
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// btnSubmitQuery.setIcon(Resources.ICONS.text());
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btnSubmitQuery.setScale(ButtonScale.SMALL);
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btnSubmitQuery.setArrowAlign(ButtonArrowAlign.BOTTOM);
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btnSubmitQuery
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.setToolTip("allows to submit a query to the selected database");
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toolBar.add(btnSubmitQuery);
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// Button to get the "show create table"
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btnShowCreateTable = new Button(ConstantsPortlet.TABLEDETAILS);
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btnShowCreateTable.setScale(ButtonScale.SMALL);
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btnShowCreateTable.setArrowAlign(ButtonArrowAlign.BOTTOM);
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btnShowCreateTable
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.setToolTip("gets information about the selected table, e.g. create statement, number of rows, columns names");
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toolBar.add(btnShowCreateTable);
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toolBar.add(new SeparatorToolItem());
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// Button for Simple Sample
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btnSimpleSample = new Button(ConstantsPortlet.SAMPLING);
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btnSimpleSample.setScale(ButtonScale.SMALL);
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btnSimpleSample.setArrowAlign(ButtonArrowAlign.BOTTOM);
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btnSimpleSample.setToolTip("retrieves the first 100 rows of the table");
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toolBar.add(btnSimpleSample);
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// Button for Smart Sample
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btnSmartSample = new Button(ConstantsPortlet.SMARTSAMPLING);
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btnSmartSample.setScale(ButtonScale.SMALL);
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btnSmartSample.setArrowAlign(ButtonArrowAlign.BOTTOM);
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btnSmartSample
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.setToolTip("retrieves the first 100 rows of the table, maximising the number of non empty columns");
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toolBar.add(btnSmartSample);
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// button for Random Sample
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btnRandomSample = new Button(ConstantsPortlet.RANDOMSAMPLING);
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btnRandomSample.setScale(ButtonScale.SMALL);
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btnRandomSample.setArrowAlign(ButtonArrowAlign.BOTTOM);
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btnRandomSample
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.setToolTip("retrieves 100 randomly picked rows from the table");
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toolBar.add(btnRandomSample);
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// add(toolBar, new FlowData(10));
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// disable buttons
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btnTablesList.disable();
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btnSubmitQuery.disable();
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// btnGetInfo.disable();
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btnShowCreateTable.disable();
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btnSimpleSample.disable();
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btnSmartSample.disable();
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btnRandomSample.disable();
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}
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private void addHandler() {
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eventBus.addHandler(SelectedTableEvent.TYPE,
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new SelectedTableEventHandler() {
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@Override
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public void onSelectedTable(
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SelectedTableEvent selectedTableEvent) {
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// enable button for table details and sampling
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// operations
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btnTablesList.enable();
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btnSubmitQuery.enable();
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btnShowCreateTable.enable();
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btnSimpleSample.enable();
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btnSmartSample.enable();
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btnRandomSample.enable();
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}
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});
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}
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private void addSelectionListenersOnToolBar() {
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btnSubmitQuery
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.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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// dialog to insert inputs in order to submit a query
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final Dialog dialog = new Dialog() {
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// override the maximize event modifying it with a
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// different behavior if the mimimize event occurs
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public void maximize() {
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if (isCollapsed()) {
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expand();
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} else {
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super.maximize();
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}
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}
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};
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ID++;
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final int dialogID = ID;
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dialog.setLayout(new FitLayout());
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// dialog.setModal(true);
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// dialog.setBlinkModal(true);
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dialog.setButtons(Dialog.OKCANCEL);
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// dialog.setPlain(true);
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// dialog.setCollapsible(false);
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dialog.setResizable(false);
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dialog.setMaximizable(true);
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dialog.setMinimizable(true);
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dialog.setHeading("Submit Query " + dialogID);
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dialog.setSize(600, 500);
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// dialog.setConstrain(false);
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// dialog.setTitleCollapse(true);
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// dialog.setWidth(290);
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// dialog.setHeight(250);
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// form to submit a query
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final GxtFormSubmitQuery form = new GxtFormSubmitQuery();
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dialog.add(form);
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dialog.show();
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// minimize event handled
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dialog.addListener(Events.Minimize,
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new Listener<WindowEvent>() {
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@Override
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public void handleEvent(WindowEvent be) {
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// collapse the dialog
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be.getWindow().collapse();
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}
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});
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// override maximize event
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dialog.addListener(Events.Maximize,
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new Listener<WindowEvent>() {
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@Override
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public void handleEvent(WindowEvent be) {
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// expand the dialog
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if (be.getWindow().isCollapsed()) {
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be.getWindow().expand();
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}
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}
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});
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// listener on the dialog "ok" button
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dialog.getButtonById(Dialog.OK).addSelectionListener(
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new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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//start computation and get id
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//generate a UUID for this request
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// UUID id = UUID.randomUUID();
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// recover info from dialog
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setInfoOnSubmitQuery(form, dialog,
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dialogID);
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rootLogger.log(Level.SEVERE,
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"query submitted");
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}
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});
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// listener on the dialog "cancel" button
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dialog.getButtonById(Dialog.CANCEL)
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.addSelectionListener(
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new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(
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ButtonEvent ce) {
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rootLogger.log(Level.INFO,
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"button Cancel event");
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//remove computation
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dialog.hide();
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}
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});
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}
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});
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btnSimpleSample
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.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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// fire event
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eventBus.fireEvent(new SamplingEvent());
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}
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});
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btnSmartSample
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.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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// fire event
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eventBus.fireEvent(new SmartSamplingEvent());
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}
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});
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btnRandomSample
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.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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// fire event
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eventBus.fireEvent(new RandomSamplingEvent());
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}
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});
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btnShowCreateTable
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.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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// fire event
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eventBus.fireEvent(new ShowCreateTableEvent());
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}
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});
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btnTablesList
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.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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// fire event
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eventBus.fireEvent(new LoadTablesEvent());
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}
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});
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}
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// buttons enable/disable operation depending from the item selected in the
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// tree
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public void enableButtonOnToolbar(int infoTreeDepthSelectedItem,
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boolean infoSelectedItemIsSchema, String databaseType) {
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rootLogger.log(Level.INFO, "selectedItem depth: "
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+ infoTreeDepthSelectedItem);
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switch (infoTreeDepthSelectedItem) {
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case 1:
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btnTablesList.disable();
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btnSubmitQuery.disable();
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// btnGetInfo.disable();
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btnShowCreateTable.disable();
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btnSimpleSample.disable();
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btnSmartSample.disable();
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btnRandomSample.disable();
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break;
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case 2:
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btnTablesList.disable();
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btnSubmitQuery.disable();
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// btnGetInfo.enable();
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btnShowCreateTable.disable();
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btnSimpleSample.disable();
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btnSmartSample.disable();
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btnRandomSample.disable();
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break;
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case 3:
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if ((databaseType != null)
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&& (databaseType.equals(ConstantsPortlet.MYSQL))) {
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btnTablesList.enable();
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btnSubmitQuery.enable();
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// btnGetInfo.disable();
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btnShowCreateTable.disable();
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btnSimpleSample.disable();
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btnSmartSample.disable();
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btnRandomSample.disable();
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}
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if ((databaseType != null)
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&& (databaseType.equals(ConstantsPortlet.POSTGRES))) {
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btnTablesList.disable();
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btnSubmitQuery.enable();
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// btnGetInfo.disable();
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btnShowCreateTable.disable();
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btnSimpleSample.disable();
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btnSmartSample.disable();
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btnRandomSample.disable();
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}
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break;
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case 4: // check to verify that this level refers to schema or table
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// and manage it differently
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if (infoSelectedItemIsSchema == true) {
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// this tree level is a schema
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btnTablesList.enable();
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btnSubmitQuery.enable();
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// btnShowCreateTable.enable();
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btnShowCreateTable.disable();
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btnSimpleSample.disable();
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btnSmartSample.disable();
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btnRandomSample.disable();
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} else {
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// this tree level is a table
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btnTablesList.enable();
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btnSubmitQuery.enable();
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btnShowCreateTable.enable();
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btnSimpleSample.enable();
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btnSmartSample.enable();
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btnRandomSample.enable();
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}
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break;
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case 5: // if there is the schema this level refers to table
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btnTablesList.enable();
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btnSubmitQuery.enable();
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btnShowCreateTable.enable();
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btnSimpleSample.enable();
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btnSmartSample.enable();
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btnRandomSample.enable();
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break;
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}
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}
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public void disableButtonsOperationsOnTable() {
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btnShowCreateTable.disable();
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btnSimpleSample.disable();
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btnSmartSample.disable();
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btnRandomSample.disable();
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}
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public ToolBar getToolBar() {
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return this.toolBar;
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}
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private void setInfoOnSubmitQuery(GxtFormSubmitQuery form,
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Dialog SubmtQueryDialog, int dialogID) {
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SubmitQueryData data = form.getSubmitQueryData();
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// data = form.getSubmitQueryData();
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String query = data.getQuery();
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if ((query == null) || (query.equals(""))) {
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MessageBox.alert("Warning", "Query field null", null);
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} else {
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dialogList.put(new Integer(dialogID), SubmtQueryDialog);
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submitQueryDataList.put(new Integer(dialogID), data);
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SubmtQueryDialog.getBody().mask("Loading", "x-mask-loading");
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// fire event
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eventBus.fireEvent(new SubmitQueryEvent(dialogID));
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}
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}
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// public SubmitQueryData getSubmitQueryData() {
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// return data;
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// }
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// public LinkedHashMap<Dialog, ArrayList<String>> getDialogForm() {
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// // return dialog;
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// return dialogList;
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// }
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public LinkedHashMap<Integer, Dialog> getDialogFormList() {
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return dialogList;
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}
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public LinkedHashMap<Integer, SubmitQueryData> getSubmitQueryDataList() {
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return submitQueryDataList;
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}
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// public Integer getDialogID() {
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// return new Integer(ID);
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// }
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}
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