ingo@6: package de.intevation.flys.client.client.ui;
ingo@6: 
ingo@19: import java.util.ArrayList;
ingo@19: import java.util.List;
ingo@19: 
ingo@6: import com.google.gwt.core.client.GWT;
ingo@6: import com.google.gwt.i18n.client.DateTimeFormat;
ingo@13: import com.google.gwt.user.client.rpc.AsyncCallback;
ingo@6: 
ingo@7: import com.smartgwt.client.widgets.Canvas;
ingo@13: import com.smartgwt.client.widgets.IButton;
ingo@6: import com.smartgwt.client.widgets.Window;
ingo@13: import com.smartgwt.client.widgets.events.ClickEvent;
ingo@13: import com.smartgwt.client.widgets.events.ClickHandler;
ingo@7: import com.smartgwt.client.widgets.form.DynamicForm;
ingo@7: import com.smartgwt.client.widgets.form.fields.RadioGroupItem;
ingo@23: import com.smartgwt.client.widgets.layout.Layout;
ingo@7: import com.smartgwt.client.widgets.layout.VLayout;
ingo@7: import com.smartgwt.client.widgets.tab.Tab;
ingo@23: import com.smartgwt.client.widgets.tab.TabSet;
ingo@6: 
ingo@13: import de.intevation.flys.client.shared.model.Artifact;
ingo@23: import de.intevation.flys.client.shared.model.ArtifactDescription;
ingo@6: import de.intevation.flys.client.shared.model.Collection;
ingo@23: import de.intevation.flys.client.shared.model.Data;
ingo@30: import de.intevation.flys.client.shared.model.DataItem;
ingo@30: import de.intevation.flys.client.shared.model.DefaultData;
ingo@30: import de.intevation.flys.client.shared.model.DefaultDataItem;
ingo@19: import de.intevation.flys.client.shared.model.DefaultCollection;
ingo@30: import de.intevation.flys.client.shared.model.River;
ingo@6: 
ingo@14: import de.intevation.flys.client.client.Config;
ingo@13: import de.intevation.flys.client.client.FLYS;
ingo@6: import de.intevation.flys.client.client.FLYSMessages;
ingo@19: import de.intevation.flys.client.client.event.HasCollectionChangeHandlers;
ingo@23: import de.intevation.flys.client.client.event.HasStepForwardHandlers;
ingo@19: import de.intevation.flys.client.client.event.CollectionChangeEvent;
ingo@23: import de.intevation.flys.client.client.event.StepForwardEvent;
ingo@23: import de.intevation.flys.client.client.event.StepForwardHandler;
ingo@19: import de.intevation.flys.client.client.event.CollectionChangeHandler;
ingo@13: import de.intevation.flys.client.client.services.ArtifactService;
ingo@13: import de.intevation.flys.client.client.services.ArtifactServiceAsync;
ingo@26: import de.intevation.flys.client.client.services.CreateCollectionService;
ingo@26: import de.intevation.flys.client.client.services.CreateCollectionServiceAsync;
ingo@30: import de.intevation.flys.client.client.ui.ModuleSelection;
ingo@6: 
ingo@6: 
ingo@6: /**
ingo@6:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@6:  */
ingo@19: public class CollectionView
ingo@19: extends      Window
ingo@23: implements   CollectionChangeHandler, HasCollectionChangeHandlers,
ingo@23:              StepForwardHandler
ingo@23: {
ingo@13:     /** The ArtifactService used to communicate with the Artifact server. */
ingo@13:     protected ArtifactServiceAsync artifactService =
ingo@13:         GWT.create(ArtifactService.class);
ingo@13: 
ingo@26:     /** The ArtifactService used to communicate with the Artifact server. */
ingo@26:     protected CreateCollectionServiceAsync createCollectionService =
ingo@26:         GWT.create(CreateCollectionService.class);
ingo@26: 
ingo@6:     /** The message class that provides i18n strings.*/
ingo@6:     FLYSMessages messages = GWT.create(FLYSMessages.class);
ingo@6: 
ingo@13:     /** The FLYS instance used to call services.*/
ingo@13:     protected FLYS flys;
ingo@13: 
ingo@23:     /** The ParameterList.*/
ingo@23:     protected ParameterList parameterList;
ingo@23: 
ingo@19:     /** The list of ValueChangeHandlers.*/
ingo@19:     protected List<CollectionChangeHandler> handlers;
ingo@19: 
ingo@6:     /** The collection to be displayed.*/
ingo@6:     protected Collection collection;
ingo@6: 
ingo@30:     /** The artifact that handles the parameterization.*/
ingo@30:     protected Artifact artifact;
ingo@30: 
ingo@23:     protected TabSet tabs;
ingo@23: 
ingo@7:     /** The parameter tab.*/
ingo@7:     protected Tab parameterTab;
ingo@7: 
ingo@7:     /** The output tab.*/
ingo@7:     protected Tab outputTab;
ingo@7: 
ingo@23:     /** The layout.*/
ingo@23:     protected Layout layout;
ingo@23: 
ingo@6: 
ingo@6:     /**
ingo@6:      * This constructor creates a new CollectionView that is used to display the
ingo@6:      * <i>collection</i>.
ingo@6:      *
ingo@6:      * @param collection The collection to be displayed.
ingo@6:      */
ingo@13:     public CollectionView(FLYS flys, Collection collection) {
ingo@13:         this.flys       = flys;
ingo@6:         this.collection = collection;
ingo@6: 
ingo@23:         this.tabs          = new TabSet();
ingo@23:         this.parameterTab  = new Tab(messages.winfo());
ingo@23:         this.parameterList = new ParameterList();
ingo@23:         this.handlers      = new ArrayList<CollectionChangeHandler>();
ingo@23:         this.layout        = new VLayout();
ingo@19: 
ingo@19:         addCollectionChangeHandler(this);
ingo@19: 
ingo@6:         init();
ingo@6:     }
ingo@6: 
ingo@6: 
ingo@6:     /**
ingo@6:      * This method handles the initial layout stuff.
ingo@6:      */
ingo@6:     protected void init() {
ingo@6:         setWidth(600);
ingo@6:         setHeight(400);
ingo@6: 
ingo@23:         layout.setWidth100();
ingo@23: 
ingo@6:         setCanDragResize(true);
ingo@6: 
ingo@6:         DateTimeFormat dtf = DateTimeFormat.getFormat(messages.date_format());
ingo@6:         String lastAccess  = dtf.format(collection.getLastAccess());
ingo@6:         setTitle(lastAccess + " - " + collection.getName());
ingo@7: 
ingo@7:         addItem(layout);
ingo@7: 
ingo@23:         layout.addMember(tabs);
ingo@23:         tabs.addTab(parameterTab);
ingo@23: 
ingo@7:         if (isNew()) {
ingo@23:             tabs.setTabTitle(0, "MODUL");
ingo@23:             tabs.updateTab(0, renderNew());
ingo@7:         }
ingo@7:     }
ingo@7: 
ingo@7: 
ingo@7:     /**
ingo@26:      * This method triggers the CreateCollectionService to create a new
ingo@26:      * collection in the artifact server.
ingo@26:      *
ingo@26:      * @param ownerId The uuid of the user that should own the new collection.
ingo@26:      */
ingo@26:     protected void createNewCollection(String ownerId) {
ingo@26:         Config config    = Config.getInstance();
ingo@26:         String serverUrl = config.getServerUrl();
ingo@26: 
ingo@26:         createCollectionService.create(
ingo@26:             serverUrl, ownerId,
ingo@26:             new AsyncCallback<String>() {
ingo@26:                 public void onFailure(Throwable caught) {
ingo@26:                     GWT.log("Could not create the new collection.");
ingo@26:                     GWT.log(caught.getMessage());
ingo@26:                 }
ingo@26: 
ingo@26:                 public void onSuccess(String uuid) {
ingo@26:                     GWT.log("Successfully created a new collection.");
ingo@26:                     GWT.log("NEW collection uuid: " + uuid);
ingo@26:                 }
ingo@26:             });
ingo@26:     }
ingo@26: 
ingo@26: 
ingo@26:     protected FLYS getFlys() {
ingo@26:         return flys;
ingo@26:     }
ingo@26: 
ingo@26: 
ingo@26: 
ingo@26:     /**
ingo@19:      * This method registers a new ValueChangeHandler.
ingo@19:      *
ingo@19:      * @param handler The new ValueChangeHandler.
ingo@19:      */
ingo@19:     public void addCollectionChangeHandler(CollectionChangeHandler handler) {
ingo@19:         if (handler != null) {
ingo@19:             handlers.add(handler);
ingo@19:         }
ingo@19:     }
ingo@19: 
ingo@19: 
ingo@19:     /**
ingo@19:      * This method calls the <code>onValueChange()</code> method of all
ingo@19:      * registered ValueChangeHanders.
ingo@19:      */
ingo@19:     protected void fireCollectionChangeEvent(
ingo@19:         Collection old, Collection newCol)
ingo@19:     {
ingo@19:         for (CollectionChangeHandler handler: handlers) {
ingo@19:             handler.onCollectionChange(new CollectionChangeEvent(old, newCol));
ingo@19:         }
ingo@19:     }
ingo@19: 
ingo@19: 
ingo@19:     /**
ingo@7:      * This method returns true, if the Collection is new and no plugins has
ingo@7:      * been chosen.
ingo@7:      *
ingo@7:      * @return true, if the Collection is new.
ingo@7:      */
ingo@7:     public boolean isNew() {
ingo@19:         return collection.getArtifactLength() == 0 ? true : false;
ingo@7:     }
ingo@7: 
ingo@7: 
ingo@7:     /**
ingo@30:      * This method creates a Canvas displaying the plugins of FLYS combined with
ingo@30:      * a widget to select a river.
ingo@7:      *
ingo@30:      * @return a Canvas that displays the supported plugins and rivers of FLYS.
ingo@7:      */
ingo@7:     protected Canvas renderNew() {
ingo@30:         River[] rivers   = flys.getRivers();
ingo@30:         DataItem[] items = new DataItem[rivers.length];
ingo@7: 
ingo@30:         int i = 0;
ingo@30:         for (River river: rivers) {
ingo@30:             String name = river.getName();
ingo@30:             items[i++]  = new DefaultDataItem(name, null, name);
ingo@30:         }
ingo@7: 
ingo@30:         Data data = new DefaultData(
ingo@30:             "RIVER", "RIVER SELECTION", null, items, null);
ingo@7: 
ingo@30:         ModuleSelection widget         = new ModuleSelection();
ingo@30:         HasStepForwardHandlers handler = (HasStepForwardHandlers) widget;
ingo@30: 
ingo@30:         handler.addStepForwardHandler(new StepForwardHandler() {
ingo@30:             public void onStepForward(StepForwardEvent event) {
ingo@30:                 Data[] data = event.getData();
ingo@30: 
ingo@30:                 DataItem[] moduleItems = data[0].getItems();
ingo@30:                 DataItem[] riversItems = data[1].getItems();
ingo@30: 
ingo@30:                 String module = moduleItems[0].getStringValue();
ingo@30:                 String river  = riversItems[0].getStringValue();
ingo@30: 
ingo@14:                 String serverUrl = Config.getInstance().getServerUrl();
ingo@14:                 artifactService.create(
ingo@30:                     serverUrl, module.toLowerCase(),
ingo@14:                     new AsyncCallback<Artifact>() {
ingo@14:                         public void onFailure(Throwable caught) {
ingo@14:                             GWT.log("Could not create the new artifact.");
ingo@14:                             GWT.log(caught.getMessage());
ingo@14:                         }
ingo@14: 
ingo@14:                         public void onSuccess(Artifact artifact) {
ingo@14:                             GWT.log("Successfully created a new artifact.");
ingo@30:                             setArtifact(artifact);
ingo@23: 
ingo@30:                             GWT.log("TODO: FEED WITH RIVER!");
ingo@14:                         }
ingo@13:                 });
ingo@13:             }
ingo@13:         });
ingo@13: 
ingo@30:         return widget.create(data);
ingo@30:     }
ingo@7: 
ingo@30: 
ingo@30:     /**
ingo@30:      * Set the current artifact that is the master of the parameterization.
ingo@30:      *
ingo@30:      * @param artifact The new artifact.
ingo@30:      */
ingo@30:     protected void setArtifact(Artifact artifact) {
ingo@30:         this.artifact = artifact;
ingo@6:     }
ingo@13: 
ingo@13: 
ingo@13:     /**
ingo@19:      * Set the current collection.
ingo@13:      *
ingo@19:      * @param collection The new collection.
ingo@13:      */
ingo@19:     protected void setCollection(Collection collection) {
ingo@19:         Collection tmp  = this.collection;
ingo@19:         this.collection = collection;
ingo@13: 
ingo@19:         fireCollectionChangeEvent(tmp, this.collection);
ingo@19:     }
ingo@19: 
ingo@19: 
ingo@19:     public void onCollectionChange(CollectionChangeEvent event) {
ingo@13:         updateView();
ingo@13:     }
ingo@13: 
ingo@13: 
ingo@23:     public void onStepForward(StepForwardEvent event) {
ingo@23:         GWT.log("CollectionView - onStepForward()");
ingo@23:         GWT.log("TODO: IMPLEMENT FEED!");
ingo@23:     }
ingo@23: 
ingo@23: 
ingo@23:     /**
ingo@23:      * Update the view (refresh the list of old and current data).
ingo@23:      */
ingo@13:     protected void updateView() {
ingo@19:         GWT.log("Update view of the collection: " + collection.identifier());
ingo@23:         Artifact artifact        = collection.getArtifact(0);
ingo@23:         ArtifactDescription desc = artifact.getArtifactDescription();
ingo@23: 
ingo@23:         Data currentData = desc.getCurrentData();
ingo@23:         if (currentData != null) {
ingo@23:             String uiProvider   = currentData.getUIProvider();
ingo@23:             UIProvider provider = UIProviderFactory.getProvider(uiProvider);
ingo@23: 
ingo@23:             HasStepForwardHandlers handler = (HasStepForwardHandlers) provider;
ingo@23:             handler.addStepForwardHandler(this);
ingo@23: 
ingo@23:             parameterList.setCurrentData(currentData, provider);
ingo@23:         }
ingo@23: 
ingo@23:         parameterList.addOldDatas(desc.getOldData());
ingo@23: 
ingo@23:         tabs.setTabTitle(0, messages.winfo());
ingo@23:         tabs.updateTab(0, parameterList);
ingo@13:     }
ingo@6: }
ingo@6: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :