git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/portlets/widgets/ws-task-executor-widget@167773 82a268e6-3cf1-43bd-a215-b396298e98cf
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package org.gcube.portlets.widgets.wstaskexecutor.client.view.binder;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.gcube.common.workspacetaskexecutor.shared.TaskOperator;
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import org.gcube.common.workspacetaskexecutor.shared.TaskParameter;
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import org.gcube.common.workspacetaskexecutor.shared.TaskParameterType;
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import org.gcube.common.workspacetaskexecutor.shared.dataminer.TaskConfiguration;
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import org.gcube.portlets.widgets.wstaskexecutor.client.WsTaskExecutorWidget;
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import org.gcube.portlets.widgets.wstaskexecutor.client.dialog.DialogResult;
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import org.gcube.portlets.widgets.wstaskexecutor.client.event.DeleteCustomFieldEvent;
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import org.gcube.portlets.widgets.wstaskexecutor.client.event.DeleteCustomFieldEventHandler;
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import org.gcube.portlets.widgets.wstaskexecutor.client.event.ShowListOfTaskConfigurationsEvent;
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import org.gcube.portlets.widgets.wstaskexecutor.client.view.LoaderIcon;
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import org.gcube.portlets.widgets.wstaskexecutor.shared.GcubeScope;
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import org.gcube.portlets.widgets.wstaskexecutor.shared.WSItem;
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import com.github.gwtbootstrap.client.ui.Button;
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import com.github.gwtbootstrap.client.ui.ControlGroup;
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import com.github.gwtbootstrap.client.ui.Controls;
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import com.github.gwtbootstrap.client.ui.Fieldset;
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import com.github.gwtbootstrap.client.ui.ListBox;
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import com.github.gwtbootstrap.client.ui.Pager;
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import com.github.gwtbootstrap.client.ui.TextArea;
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import com.github.gwtbootstrap.client.ui.constants.ControlGroupType;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.Document;
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import com.google.gwt.event.dom.client.ChangeEvent;
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import com.google.gwt.event.dom.client.ChangeHandler;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.event.dom.client.DomEvent;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.uibinder.client.UiHandler;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.HTMLPanel;
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import com.google.gwt.user.client.ui.Widget;
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/**
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* The Class CreateTaskConfigurationView.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* May 4, 2018
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*/
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public abstract class CopyOfCreateTaskConfigurationView extends Composite {
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/** The ui binder. */
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private static CreateTaskConfigurationViewUiBinder uiBinder = GWT.create(CreateTaskConfigurationViewUiBinder.class);
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/**
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* The Interface CreateTaskConfigurationViewUiBinder.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* May 4, 2018
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*/
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interface CreateTaskConfigurationViewUiBinder
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extends UiBinder<Widget, CopyOfCreateTaskConfigurationView> {
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}
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/** The pager. */
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@UiField
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Pager pager;
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@UiField
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ListBox field_select_scope;
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@UiField
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ListBox field_select_task_id;
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@UiField
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ControlGroup cg_select_vre;
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@UiField
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ControlGroup cg_select_task_id;
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@UiField
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ControlGroup cg_parameters_control;
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@UiField
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Fieldset form_unit_fields;
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@UiField
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Controls task_parameters_control;
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@UiField
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Button addCustomFieldButton;
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@UiField
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HTMLPanel html_panel_field;
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@UiField
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TextArea field_task_description;
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/** The map VR es. */
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private Map<String, GcubeScope> mapScopes = new HashMap<String, GcubeScope>();
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private Map<String, List<TaskOperator>> mapOperators = new HashMap<String, List<TaskOperator>>();
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private String currentScope;
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public final static HandlerManager eventBus = new HandlerManager(null);
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// added custom field entries (by the user)
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private List<CustomFieldEntry> customFieldEntriesList = new ArrayList<CustomFieldEntry>();
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private WSItem wsItem;
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private boolean isEditConfiguration;
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private TaskConfiguration editConfiguration;
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/**
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* Submit handler.
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*/
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public abstract void submitHandler();
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/**
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* Sets the error.
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*
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* @param visible the visible
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* @param error the error
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*/
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public abstract void setError(boolean visible, String error);
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/**
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* Sets the confirm.
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*
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* @param visible the visible
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* @param msg the msg
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*/
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public abstract void setConfirm(boolean visible, String msg);
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/**
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* Because this class has a default constructor, it can
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* be used as a binder template. In other words, it can be used in other
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* *.ui.xml files as follows:
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* <ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"
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* xmlns:g="urn:import:**user's package**">
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* <g:**UserClassName**>Hello!</g:**UserClassName>
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* </ui:UiBinder>
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* Note that depending on the widget that is used, it may be necessary to
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* implement HasHTML instead of HasText.
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*
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* @param wsItem the folder
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* @param conf the conf
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*/
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public CopyOfCreateTaskConfigurationView(final WSItem wsItem, TaskConfiguration conf) {
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this.wsItem = wsItem;
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if(conf!=null)
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this.isEditConfiguration = true;
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this.editConfiguration = conf;
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initWidget(uiBinder.createAndBindUi(this));
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bindEvents();
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WsTaskExecutorWidget.wsTaskService.getListOfScopesForLoggedUser(new AsyncCallback<List<GcubeScope>>() {
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@Override
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public void onSuccess(List<GcubeScope> result) {
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for (GcubeScope gcubeScope : result) {
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String toValue = gcubeScope.getScopeTitle();
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mapScopes.put(gcubeScope.getScopeName(), gcubeScope);
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field_select_scope.addItem(toValue, gcubeScope.getScopeName());
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}
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if(result.size()>0){
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if(isEditConfiguration){
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//String vreName = FormatUtil.toVREName(editConfiguration.getScope());
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field_select_scope.setSelectedValue(editConfiguration.getScope());
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}
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else
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field_select_scope.setSelectedValue(result.get(0).getScopeName());
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//field_select_vre.setSelectedIndex(0);
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//field_select_vre.fireEvent(DomEvent.fireNativeEvent(nativeEvent, handlerSource););
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DomEvent.fireNativeEvent(Document.get().createChangeEvent(), field_select_scope);
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}
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}
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@Override
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public void onFailure(Throwable caught) {
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// TODO Auto-generated method stub
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}
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});
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if(isEditConfiguration){
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//field_task_id.setValue(editConfiguration.getTaskId());
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field_task_description.setValue(editConfiguration.getTaskDescription());
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List<TaskParameter> params = editConfiguration.getListParameters();
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for (TaskParameter taskParameter : params) {
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appendCustomField(taskParameter.getKey(), taskParameter.getValue(), taskParameter.getType().getType(), false);
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}
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pager.getRight().setText("Update Configuration");
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}
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else
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addEmptyCustomFieldEvent(null);
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}
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/**
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* Adds the empty custom field event.
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*
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* @param e the e
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*/
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@UiHandler("addCustomFieldButton")
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void addEmptyCustomFieldEvent(ClickEvent e){
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appendCustomField(null, null, null, true);
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}
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/**
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* Append custom field.
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*
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* @param key the key
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* @param value the value
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* @param parameterType the parameter type
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* @param removable the removable
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*/
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private void appendCustomField(String key, String value, String parameterType, boolean removable){
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CustomFieldEntry toAdd = new CustomFieldEntry(eventBus, key, value, parameterType, removable);
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customFieldEntriesList.add(toAdd);
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cg_parameters_control.add(toAdd);
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}
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/**
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* @param taskOperator
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*/
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private void fillParametersToOperator(TaskOperator taskOperator) {
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customFieldEntriesList.clear();
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cg_parameters_control.clear();
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for (TaskParameter operator : taskOperator.getInputOperators()) {
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appendCustomField(operator.getKey(), operator.getValue(), operator.getType().getType(), false);
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}
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}
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private void loadAlgorithmsForSelectedScope(){
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final GcubeScope selScope = getSelectedScope();
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if(selScope==null)
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return;
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List<TaskOperator> operators = mapOperators.get(selScope.getScopeName());
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if(operators!=null){
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fillSelectOperator(operators);
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return;
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}
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LoaderIcon loader = new LoaderIcon("Please wait, loading Algorithms...");
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final DialogResult loaderBox = new DialogResult(null, "Please wait", loader, false);
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loaderBox.getElement().getStyle().setZIndex(Integer.MAX_VALUE-5000);
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pager.getRight().setVisible(false);
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WsTaskExecutorWidget.wsTaskService.getListOperatorsPerScope(selScope.getScopeName(), new AsyncCallback<List<TaskOperator>>() {
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@Override
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public void onFailure(Throwable caught) {
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loaderBox.hide();
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field_select_task_id.setEnabled(false);
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Window.alert("Error: "+caught.getMessage());
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pager.getRight().setVisible(false);
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}
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@Override
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public void onSuccess(List<TaskOperator> result) {
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loaderBox.hide();
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field_select_task_id.setEnabled(true);
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if(result==null || result.size()==0){
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new DialogResult(null, "Warning", "No operator available in the scope: "+selScope.getScopeName()).center();
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return;
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}
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pager.getRight().setVisible(true);
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mapOperators.put(selScope.getScopeName(), result);
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fillSelectOperator(result);
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}
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});
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loaderBox.center();
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}
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private void fillSelectOperator(List<TaskOperator> operators){
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field_select_task_id.clear();
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for (TaskOperator taskOperator : operators) {
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field_select_task_id.addItem(taskOperator.getName(), taskOperator.getId());
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}
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if(isEditConfiguration){
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//String vreName = FormatUtil.toVREName(editConfiguration.getScope());
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field_select_task_id.setSelectedValue(editConfiguration.getTaskId());
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}
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DomEvent.fireNativeEvent(Document.get().createChangeEvent(), field_select_task_id);
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}
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/**
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* Bind events.
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*/
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private void bindEvents() {
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// when a custom field is removed, remove it from the list
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eventBus.addHandler(DeleteCustomFieldEvent.TYPE, new DeleteCustomFieldEventHandler() {
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@Override
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public void onRemoveEntry(DeleteCustomFieldEvent event) {
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customFieldEntriesList.remove(event.getRemovedEntry());
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cg_parameters_control.remove(event.getRemovedEntry());
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}
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});
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pager.getLeft().addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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WsTaskExecutorWidget.eventBus.fireEvent(new ShowListOfTaskConfigurationsEvent(wsItem));
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}
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});
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pager.getRight().addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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setError(false, "");
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boolean isValid = validateSubmit();
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if(isValid)
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submitHandler();
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}
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});
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field_select_scope.addChangeHandler(new ChangeHandler() {
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@Override
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public void onChange(ChangeEvent event) {
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loadAlgorithmsForSelectedScope();
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}
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});
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field_select_task_id.addChangeHandler(new ChangeHandler() {
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@Override
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public void onChange(ChangeEvent event) {
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setValueDescription("");
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String taskId = getTaskId();
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GWT.log("Task Id: "+taskId);
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GcubeScope selScope = getSelectedScope();
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List<TaskOperator> operators = mapOperators.get(selScope.getScopeName());
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GWT.log("Operatos for scope '"+selScope.getScopeName() +"' are: "+operators);
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for (TaskOperator taskOperator : operators) {
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if(taskId.compareTo(taskOperator.getId())==0){
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setValueDescription(taskOperator.getDescription());
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fillParametersToOperator(taskOperator);
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}
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}
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}
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});
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}
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/**
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*
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*/
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private void setValueDescription(String value) {
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field_task_description.setValue(value);
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}
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/**
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* Validate submit.
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*
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* @return true, if successful
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*/
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protected boolean validateSubmit() {
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cg_select_task_id.setType(ControlGroupType.NONE);
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//cg_parameters_control.setType(ControlGroupType.NONE);
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//cg_remote_path.setType(ControlGroupType.NONE);
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if(field_select_scope.getSelectedItemText()==null){
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cg_select_vre.setType(ControlGroupType.ERROR);
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setError(true, "You must select a Scope!");
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return false;
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}
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if(field_select_scope.getSelectedItemText() == null || field_select_scope.getSelectedItemText().isEmpty()){
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cg_select_task_id.setType(ControlGroupType.ERROR);
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setError(true, "You must select an Algorithm!");
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return false;
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}
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for (CustomFieldEntry cFE : customFieldEntriesList) {
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cFE.getControlGroup().setType(ControlGroupType.NONE);
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if(cFE.getKey()==null || cFE.getKey().isEmpty()){
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cFE.getControlGroup().setType(ControlGroupType.ERROR);
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//cg_parameters_control.setType(ControlGroupType.ERROR);
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setError(true, "You must type a valid key parameter!");
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return false;
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}
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}
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return true;
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}
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/**
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* Gets the selected scope.
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*
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* @return the selected scope
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*/
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public GcubeScope getSelectedScope(){
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//String item = field_select_scope.getSelectedItemText();
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String text = field_select_scope.getSelectedValue();
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return mapScopes.get(text);
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}
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/**
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* Gets the task id.
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*
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* @return the task id
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*/
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public String getTaskId(){
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String taskId = field_select_task_id.getSelectedValue();
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GWT.log("Selected task Id: "+taskId);
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return taskId;
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}
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/**
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* Gets the parameters.
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*
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* @return the parameters
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*/
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public List<TaskParameter> getParameters(){
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List<TaskParameter> listParameters = new ArrayList<TaskParameter>();
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for (CustomFieldEntry cFE : customFieldEntriesList) {
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TaskParameter tp = new TaskParameter(cFE.getKey(), cFE.getValue(), null, new TaskParameterType(cFE.getType()));
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listParameters.add(tp);
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}
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return listParameters;
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}
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/**
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* Gets the description.
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*
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* @return the description
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*/
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public String getDescription(){
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return field_task_description.getValue();
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}
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/**
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* @return the isEditConfiguration
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*/
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public boolean isEditConfiguration() {
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return isEditConfiguration;
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}
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/**
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* @return the editConfiguration
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*/
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public TaskConfiguration getEditConfiguration() {
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return editConfiguration;
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}
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}
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