package com.mycompany.mywebapp.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.widgets.Button;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.SearchForm;
import com.smartgwt.client.widgets.form.fields.PickTreeItem;
import com.smartgwt.client.widgets.layout.VLayout;

public class MyWebApp implements EntryPoint {
  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }

  public Canvas getViewPanel() {
	 
    PickTreeItem searchPickTree = new PickTreeItem();
    
    searchPickTree.setTitle("Subjects");
    searchPickTree.setWidth(210);
    searchPickTree.setTitleAlign(Alignment.LEFT);
    searchPickTree.setTextBoxStyle("ClientAreaStaticFieldLabel");
    searchPickTree.setTitleStyle("ClientAreaFieldTitle");
    searchPickTree.setDisplayField("LABEL");
    searchPickTree.setValueField("NOMCOMPLET");
    searchPickTree.setOptionDataSource(SubjectsXmlDS.getInstance());
    searchPickTree.setCanSelectParentItems(false);
    searchPickTree.setLoadDataOnDemand(false);
    
    Button refreshList = new Button("Refresh List");  
    refreshList.setShowRollOver(true);  
    refreshList.setShowDisabled(true);  
    refreshList.setShowDown(true);  
    refreshList.setAutoFit(true);  
    refreshList.setAlign(Alignment.CENTER);
    refreshList.setWidth(150);

    SearchForm searchForm = new SearchForm();
    searchForm.setWidth(200);
    searchForm.setHeight(30);
    searchForm.setFields(searchPickTree);

    VLayout mainView = new VLayout(15);
    mainView.setPadding(15);
    mainView.setHeight(300);
    mainView.setWidth(300);
    mainView.setBorder("2px solid blue");

    mainView.addMember(refreshList);
    mainView.addMember(searchForm);
    
    refreshList.addClickHandler(new ClickHandler() {
		
		@Override
		public void onClick(ClickEvent event) {
			
			PickTreeItem newSearchPickTree = new PickTreeItem();
			newSearchPickTree.setTitle("Subjects refreshed");
			newSearchPickTree.setWidth(210);
			newSearchPickTree.setTitleAlign(Alignment.LEFT);
			newSearchPickTree.setTextBoxStyle("ClientAreaStaticFieldLabel");
			newSearchPickTree.setTitleStyle("ClientAreaFieldTitle");
			newSearchPickTree.setDisplayField("LABEL");
			newSearchPickTree.setValueField("NOMCOMPLET");
			newSearchPickTree.setOptionDataSource(new SubjectsXmlDS("employeesDS"));
			newSearchPickTree.setCanSelectParentItems(false);
			newSearchPickTree.setLoadDataOnDemand(false);
		    
		    searchForm.setFields(newSearchPickTree);
			searchForm.redraw();
		}
		
    });

    return mainView;

  }

}

class SubjectsXmlDS extends DataSource {

  private static SubjectsXmlDS instance = null;

  public static SubjectsXmlDS getInstance() {
    if (instance == null) {
      instance = new SubjectsXmlDS("employeesDS");
    }
    return instance;
  }

  public SubjectsXmlDS(String id) {

	    this.setID(id);
	    this.setRecordXPath("/List/Sujet[@ACTIF=1]");

	    DataSourceTextField itemIdField = new DataSourceTextField("ID", "Item", 128, true);
	    itemIdField.setPrimaryKey(true);

	    DataSourceTextField itemParentIdField = new DataSourceTextField("PARENTID", null);
	    itemParentIdField.setHidden(true);
	    itemParentIdField.setRequired(true);
	    itemParentIdField.setRootValue("1");
	    itemParentIdField.setForeignKey("DS.ID");

	    DataSourceTextField itemLabelField = new DataSourceTextField("LABEL", "Label");
	    itemLabelField.setRequired(true);
	    DataSourceTextField itemActifField = new DataSourceTextField("ACTIF", "Actif");
	    itemActifField.setValueMap("0", "1");
	    itemActifField.setRequired(true);
	    DataSourceTextField itemNomcompletField = new DataSourceTextField("NOMCOMPLET", "Nom");
	    itemNomcompletField.setRequired(false);
	    DataSourceTextField itemP1Field = new DataSourceTextField("P1", "P1");
	    itemP1Field.setRequired(false);
	    DataSourceTextField itemP2Field = new DataSourceTextField("P2", "P2");
	    itemP2Field.setRequired(false);

	    this.setFields(itemIdField, itemParentIdField, itemLabelField, itemActifField, itemNomcompletField, itemP1Field, itemP2Field);

	    setDataURL("ds/test_data/admintoolsservice.xml");

	    this.setClientOnly(true);
  }
}