/**
 * Instantiates a new type combo.
 *
 * @param parent the parent
 */
public TypeCombo(Composite parent) {
  super(parent, SWT.NONE);

  setLayout(new FillLayout());

  typeCombo = new Combo(this, SWT.READ_ONLY | SWT.DROP_DOWN | SWT.BORDER);
  
  typeCombo.addModifyListener(new ModifyListener() {
    @Override
    public void modifyText(ModifyEvent e) {
      Type newType = getType();

      for (ITypePaneListener listener : listeners) {
        listener.typeChanged(newType);
      }
    }
  });
}
 

private void createChildMandatoryGroup(Group parent) {
    final GridLayout gridLayout = new GridLayout();
    gridLayout.marginHeight = 10;
    final GridData gridData = new GridData();
    gridData.grabExcessHorizontalSpace = true;
    gridData.horizontalAlignment = GridData.FILL;
    final Group group = new Group(parent, SWT.NONE);
    group.setLayout(gridLayout);
    group.setLayoutData(gridData);
    group.setText(DisplayMessages.getMessage("label.mandatory"));
    childCardinalityCombo = new Combo(group, SWT.NONE);
    childCardinalityCombo.setLayoutData(gridData);
    childCardinalityCombo.setVisibleItemCount(5);
    childCardinalityCombo.add("1..n");
    childCardinalityCombo.add("0..n");
    childCardinalityCombo.add("1");
    childCardinalityCombo.add("0..1");
}
 

@GuiToolbarElement(
  root = GUI_PLUGIN_TOOLBAR_PARENT_ID,
  id = TOOLBAR_ITEM_REPOSITORY_LABEL,
  type = GuiToolbarElementType.LABEL,
  label = "Git repository ",
  toolTip = "Click here to edit the active git repository",
  separator = true
)
public void editGitRepository() {
  HopGui hopGui = HopGui.getInstance();
  Combo combo = getRepositoryCombo();
  if ( combo == null ) {
    return;
  }
  String repositoryName = combo.getText();
  try {
    MetadataManager<GitRepository> manager = new MetadataManager<>( hopGui.getVariables(), hopGui.getMetadataProvider(), GitRepository.class );
    if ( manager.editMetadata( repositoryName ) ) {
      refreshGitRepositoriesList();
      selectRepositoryInList( repositoryName );
    }
  } catch ( Exception e ) {
    new ErrorDialog( hopGui.getShell(), "Error", "Error editing environment '" + repositoryName, e );
  }
}
 

private void initHttpCombo( Composite top){
   httpCombo = new Combo(top, SWT.READ_ONLY);
   httpCombo.setItems(CoreConstants.HTTP11_METHODS);
   httpCombo.setText(model.getHttpMethod());
   httpCombo.addSelectionListener(new SelectionAdapter() {

      private String prevMethod = model.getHttpMethod();


      public void widgetSelected( SelectionEvent e){
         // becomes GET, HEAD, PUT, etc
         if (CoreConstants.HTTP_POST.equals(prevMethod) && !CoreConstants.HTTP_POST.equals(httpCombo.getText())) {
            state.setState(ItemState.POST_DISABLED);
            // becomes POST
         } else if (!CoreConstants.HTTP_POST.equals(prevMethod) && CoreConstants.HTTP_POST.equals(httpCombo.getText())) {
            state.setState(ItemState.POST_ENABLED);
            // no update
         } else {
            state.setState(ItemState.POST_NO_UPDATE);
         }
         prevMethod = httpCombo.getText();
         model.fireExecute(new ModelEvent(ModelEvent.HTTP_METHOD_CHANGE, model));
      }
   });
}
 

/**
 * 
 * set the default selected item in combo
 * 
 * @param selectIndex
 *            :indicate which item will be selected
 * @param combo
 *            : Combo
 * 
 */
protected void setSelectValueAfterInitCombo( int selectIndex, Combo combo )
{
	boolean found = dealWithValueInComboList( selectIndex,
			defaultValue,
			combo,
			parameter );
	if ( !found )
	{
		dealWithValueNotInComboList( defaultValue,
				combo,
				parameter,
				isCascade,
				valueList );
	}
}
 

protected Combo newComboControl(Composite composite, String key, String[] values, String[] valueLabels) {
	ControlData data = new ControlData(key, values);

	Combo comboBox = new Combo(composite, SWT.READ_ONLY);
	comboBox.setItems(valueLabels);
	comboBox.setData(data);
	comboBox.addSelectionListener(getSelectionListener());
	comboBox.setFont(JFaceResources.getDialogFont());
	comboBox.setVisibleItemCount(30);

	makeScrollableCompositeAware(comboBox);

	updateCombo(comboBox);

	comboBoxes.add(comboBox);
	return comboBox;
}
 

/**
 * 获取项目属性字段集合
 * @return key 为属性名称，value 中第一个值为选中的属性值，第二个值为该属性对应的所有属性值集合
 */
public LinkedHashMap<String, Object[]> getAttributeMap() {
	LinkedHashMap<String, Object[]> mapAttr = new LinkedHashMap<String, Object[]>();
	if (lstCombo != null) {
		for (Combo cmb : lstCombo) {
			if (!cmb.isDisposed()) {
				ArrayList<String> lstAttrValue = new ArrayList<String>();
				for (String attrVal : cmb.getItems()) {
					lstAttrValue.add(TextUtil.stringToXML(attrVal));
				}
				mapAttr.put(TextUtil.stringToXML((String) cmb.getData()),
						new Object[] { TextUtil.stringToXML(cmb.getText()), lstAttrValue });
			}
		}
	}
	return mapAttr;
}
 

private void initCalculationDataFields( Combo cmbDataField, String name,
		List<Period_Type> list )
{
	String[] strs = new String[list.size( )];
	for ( int i = 0; i < list.size( ); i++ )
	{
		strs[i] = list.get( i ).displayName( );
	}
	cmbDataField.setItems( strs );
	if ( calculationParamsValueMap.containsKey( name ) )
	{
		cmbDataField.setText( calculationParamsValueMap.get( name ) );
		return;
	}
	cmbDataField.select( 0 );
}
 

private void createEmbeddedTslintPluginField(Composite parent) {
	useEmbeddedTslintPluginButton = new Button(parent, SWT.RADIO);
	useEmbeddedTslintPluginButton.setText(TypeScriptUIMessages.TSLintWizardPage_useEmbeddedTslintPlugin_label);
	useEmbeddedTslintPluginButton.addListener(SWT.Selection, this);
	useEmbeddedTslintPluginButton.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			updateTslintPluginMode();
		}
	});

	embeddedTslintPlugin = new Combo(parent, SWT.READ_ONLY);
	embeddedTslintPlugin.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	ComboViewer viewer = new ComboViewer(embeddedTslintPlugin);
	viewer.setContentProvider(ArrayContentProvider.getInstance());
	viewer.setLabelProvider(new TypeScriptRepositoryLabelProvider(false, true));
	List<ITypeScriptRepository> repositories = Arrays
			.stream(TypeScriptCorePlugin.getTypeScriptRepositoryManager().getRepositories())
			.filter(r -> r.getTslintLanguageServiceName() != null).collect(Collectors.toList());
	viewer.setInput(repositories);
}
 

private void createCurrencyRow(Composite body, FormToolkit tk) {
	Combo widget = UI.formCombo(body, tk, M.Currency);
	currencyCombo = new ComboViewer(widget);
	currencyCombo.setLabelProvider(new LabelProvider() {
		@Override
		public String getText(Object obj) {
			if (!(obj instanceof Currency))
				return super.getText(obj);
			return ((Currency) obj).name;
		}
	});
	setCurrencyContent(currencyCombo);
	currencyCombo.addSelectionChangedListener(e -> {
		currency = Viewers.getFirst(e.getSelection());
		exchange.currency = currency;
		updateCurrencyLabels();
	});
	UI.filler(body, tk);
}
 

protected Control findControl( Key key )
{
	Combo comboBox = getComboBox( key );
	if ( comboBox != null )
	{
		return comboBox;
	}
	Button checkBox = getCheckBox( key );
	if ( checkBox != null )
	{
		return checkBox;
	}
	Text text = getTextControl( key );
	if ( text != null )
	{
		return text;
	}
	return null;
}
 

public AccountSelector(Composite parent, IGoogleLoginService loginService) {
  super(parent, SWT.NONE);
  this.loginService = loginService;
  loginMessage = Messages.getString("ACCOUNT_SELECTOR_LOGIN");

  combo = new Combo(this, SWT.READ_ONLY);

  List<Account> sortedAccounts = new ArrayList<>(loginService.getAccounts());
  Collections.sort(sortedAccounts, new Comparator<Account>() {
    @Override
    public int compare(Account o1, Account o2) {
      return o1.getEmail().compareTo(o2.getEmail());
    }
  });
  for (Account account : sortedAccounts) {
    combo.add(account.getEmail());
    combo.setData(account.getEmail(), account);
  }
  combo.add(loginMessage);
  combo.addSelectionListener(logInOnSelect);

  GridDataFactory.fillDefaults().grab(true, false).applyTo(combo);
  GridLayoutFactory.fillDefaults().generateLayout(this);
}
 

@Test
public void testValidatePage_doesNotClearErrorSetByChildren() {
  String errorMessage;
  Combo emailKey =
      CompositeUtil.findControlAfterLabel(shellResource.getShell(), Combo.class, "&Account:");
  if (emailKey.getText().isEmpty()) {
    errorMessage = "No Google account selected for this launch.";
  } else {
    Text serviceAccountKey = CompositeUtil.findControlAfterLabel(shellResource.getShell(),
        Text.class, "Service account key:");
    serviceAccountKey.setText("/non/existing/file");
    errorMessage = "/non/existing/file does not exist.";
  }
  assertEquals(errorMessage, pipelineArgumentsTab.getErrorMessage());

  pipelineArgumentsTab.isValid(configuration1);
  assertEquals(errorMessage, pipelineArgumentsTab.getErrorMessage());
}
 

public void setZoomLabel() {
  Combo combo = (Combo) toolBarWidgets.getWidgetsMap().get( TOOLBAR_ITEM_ZOOM_LEVEL );
  if ( combo == null ) {
    return;
  }
  String newString = Math.round( magnification * 100 ) + "%";
  String oldString = combo.getText();
  if ( !newString.equals( oldString ) ) {
    combo.setText( Math.round( magnification * 100 ) + "%" );
  }
}
 

/**
 * Allows for magnifying to any percentage entered by the user...
 */
private void readMagnification() {
  float oldMagnification = magnification;
  Combo zoomLabel = (Combo) toolBarWidgets.getWidgetsMap().get( TOOLBAR_ITEM_ZOOM_LEVEL );
  if ( zoomLabel == null ) {
    return;
  }
  String possibleText = zoomLabel.getText().replace( "%", "" );

  float possibleFloatMagnification;
  try {
    possibleFloatMagnification = Float.parseFloat( possibleText ) / 100;
    magnification = possibleFloatMagnification;
    if ( zoomLabel.getText().indexOf( '%' ) < 0 ) {
      zoomLabel.setText( zoomLabel.getText().concat( "%" ) );
    }
  } catch ( Exception e ) {
    modalMessageDialog( BaseMessages.getString( PKG, "PipelineGraph.Dialog.InvalidZoomMeasurement.Title" ),
      BaseMessages.getString( PKG, "PipelineGraph.Dialog.InvalidZoomMeasurement.Message", zoomLabel.getText() ),
      SWT.YES | SWT.ICON_ERROR );
  }

  // When zooming out we want to correct the scroll bars.
  //
  float factor = magnification / oldMagnification;
  int newHThumb = Math.min( (int) ( horizontalScrollBar.getThumb() / factor ), 100 );
  horizontalScrollBar.setThumb( newHThumb );
  horizontalScrollBar.setSelection( (int) ( horizontalScrollBar.getSelection() * factor ) );
  int newVThumb = Math.min( (int) ( verticalScrollBar.getThumb() / factor ), 100 );
  verticalScrollBar.setThumb( newVThumb );
  verticalScrollBar.setSelection( (int) ( verticalScrollBar.getSelection() * factor ) );

  canvas.setFocus();
  redraw();
}
 

public void setZoomLabel() {
  Combo zoomLabel = (Combo) toolBarWidgets.getWidgetsMap().get( TOOLBAR_ITEM_ZOOM_LEVEL );
  if ( zoomLabel == null ) {
    return;
  }
  String newString = Math.round( magnification * 100 ) + "%";
  String oldString = zoomLabel.getText();
  if ( !newString.equals( oldString ) ) {
    zoomLabel.setText( Math.round( magnification * 100 ) + "%" );
  }
}
 

/**
 * Utility method to create an editable combo box
 * 
 * @param parent  the parent of the combo box
 * @return the created combo
 */
protected Combo createEditableCombo(Composite parent) {
	Combo combo = new Combo(parent, SWT.NULL);
	GridData data = new GridData(GridData.FILL_HORIZONTAL);
	data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
	combo.setLayoutData(data);
	return combo;
}
 

private static Combo createProfileCombo(Composite composite, int span, int widthHint)
{
	final GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = span;
	gd.widthHint = widthHint;

	final Combo combo = new Combo(composite, SWT.DROP_DOWN | SWT.READ_ONLY);
	combo.setFont(composite.getFont());
	combo.setLayoutData(gd);

	return combo;
}
 

private static void initEngineCombo(Combo combo) {
    combo.add("");
    combo.add("MyISAM");
    combo.add("InnoDB");
    combo.add("Memory");
    combo.add("Merge");
    combo.add("Archive");
    combo.add("Federated");
    combo.add("NDB");
    combo.add("CSV");
    combo.add("Blackhole");
    combo.add("CSV");
}
 

private Combo getRepositoryCombo() {
  Control control = toolBarWidgets.getWidgetsMap().get( TOOLBAR_ITEM_REPOSITORY_SELECT );
  if ( ( control != null ) && ( control instanceof Combo ) ) {
    Combo combo = (Combo) control;
    return combo;
  }
  return null;
}
 

private void createCategoryCombo(Composite parent) {
	GridData gridData = new GridData();
	gridData.widthHint = 200;
	gridData.horizontalSpan = 2;

	this.categoryCombo = new Combo(parent, SWT.READ_ONLY);
	this.categoryCombo.setLayoutData(gridData);
	this.categoryCombo.setVisibleItemCount(20);
}
 

public static String getComboText(final Combo combo, final String defVal) {
    if ((combo == null) || (combo.isDisposed())) {
        return defVal;
    }

    return (combo.getText());
}
 

@Override
public Control[] doFillIntoGrid(Composite parent, int nColumns) {
	assertEnoughColumns(nColumns);

	Label label = getLabelControl(parent);
	label.setLayoutData(gridDataForLabel(1));
	Combo combo = getComboControl(parent);
	combo.setLayoutData(gridDataForCombo(nColumns - 1));

	return new Control[] { label, combo };
}
 

private void createOptionsArea(Composite parent) {
	Composite optionsArea = new Composite(parent, SWT.NONE);
	GridLayoutFactory.fillDefaults().numColumns(2).applyTo(optionsArea);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(optionsArea);

	Composite statusArea = new Composite(optionsArea, SWT.NONE);
	GridLayoutFactory.fillDefaults().numColumns(4).equalWidth(false).applyTo(statusArea);
	GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(statusArea);

	new Label(statusArea, SWT.NONE).setText(Strings.QUERY_STATE);

	openButton = new Button(statusArea, SWT.CHECK);
	openButton.setSelection(true);
	openButton.setText(GitlabIssue.STATE_OPENED);
	openButton.addSelectionListener(completeListener);

	closedButton = new Button(statusArea, SWT.CHECK);
	closedButton.setSelection(true);
	closedButton.setText(GitlabIssue.STATE_CLOSED);
	closedButton.addSelectionListener(completeListener);

	Label milestonesLabel = new Label(optionsArea, SWT.NONE);
	milestonesLabel.setText(Strings.QUERY_MILESTONE);

	milestoneCombo = new Combo(optionsArea, SWT.DROP_DOWN | SWT.READ_ONLY);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(milestoneCombo);
	GitlabConnection connection = ConnectionManager.getSafe(getTaskRepository());
	if(connection != null) {
		milestoneCombo.add("");
		for(GitlabMilestone s : connection.getMilestones()) {
			milestoneCombo.add(s.getTitle());
		}
	}

	Label assigneeLabel = new Label(optionsArea, SWT.NONE);
	assigneeLabel.setText(Strings.QUERY_ASSIGNEE);

	assigneeText = new Text(optionsArea, SWT.BORDER | SWT.SINGLE);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(assigneeText);
}
 

public static void setGridData( Control control, int hSpan,
		boolean grabSpace )
{
	GridData data = new GridData( );
	data.horizontalSpan = hSpan;
	data.grabExcessHorizontalSpace = grabSpace;
	if ( control instanceof Text || control instanceof Combo )
	{
		data.widthHint = MIN_TEXT_WIDTH;
	}
	data.horizontalAlignment = GridData.FILL;
	control.setLayoutData( data );
}
 

void render(Composite parent, FormToolkit tk) {
	Composite comp = tk.createComposite(parent);
	UI.gridLayout(comp, 2, 10, 5);
	UI.gridData(comp, true, false);

	UI.formLabel(comp, tk, M.Flow);
	flowLink = UI.formLink(comp, tk, "");
	Controls.onClick(flowLink, _e -> {
		IProvider p = forSource
				? tool.sourceSystem
				: tool.targetSystem;

		if (p == null) {
			MsgBox.error("Cannot select flow",
					"No data source for flows connected");
			return;
		}

		FlowRefDialog.open(p, opt -> {
			if (!opt.isPresent())
				return;
			updateWith(opt.get());
		});
	});

	UI.formLabel(comp, tk, M.Category);
	categoryLabel = UI.formLabel(comp, tk, "");
	UI.formLabel(comp, tk, M.FlowProperty);
	propertyLabel = UI.formLabel(comp, tk, "");
	UI.formLabel(comp, tk, M.Unit);
	unitLabel = UI.formLabel(comp, tk, "");

	// the provider link
	if (!forSource && tool.targetSystem instanceof DBProvider) {
		Combo combo = UI.formCombo(comp, tk, M.Provider);
		UI.gridData(combo, false, false).widthHint = 400;
		this.providerCombo = new ProviderCombo(ref, combo);
	}
	updateLabels();
}
 

public static int getComboIndex(final Combo combo, final int defVal) {
    if ((combo == null) || (combo.isDisposed())) {
        return defVal;
    }

    return (combo.getSelectionIndex());
}
 

/**
 * Clear the current unit test from the active pipeline...
 */
@GuiToolbarElement(
  root = HopGuiPipelineGraph.GUI_PLUGIN_TOOLBAR_PARENT_ID,
  id = "HopGuiPipelineGraph-ToolBar-20030-unit-test-detach",
  toolTip = "Detach the unit test from this pipeline",
  image = "Test_tube_icon_detach.svg"
)
public void detachUnitTest() {
  HopGui hopGui = HopGui.getInstance();
  try {
    PipelineMeta pipelineMeta = getActivePipelineMeta();
    if ( pipelineMeta == null ) {
      return;
    }

    // Remove
    //
    activeTests.remove( pipelineMeta );
    pipelineMeta.setVariable( DataSetConst.VAR_RUN_UNIT_TEST, "N" );

    // Clear the combo box
    //
    Combo combo = getUnitTestsCombo();
    if ( combo != null ) {
      combo.setText( "" );
    }

    // Update the GUI
    //
    hopGui.getActiveFileTypeHandler().updateGui();
  } catch ( Exception e ) {
    new ErrorDialog( hopGui.getShell(), "Error", "Error detaching unit test", e );
  }
}
 

private String getKeyExpression( Combo chooser, String key )
{
	for ( Iterator iter = columnList.iterator( ); iter.hasNext( ); )
	{
		ComputedColumnHandle cachedColumn = (ComputedColumnHandle) iter.next( );
		if ( cachedColumn.getName( ).equals( key ) )
		{
			IExpressionConverter converter = ExpressionButtonUtil.getCurrentExpressionConverter( chooser );
			return ExpressionUtility.getExpression( cachedColumn, converter );
		}
	}
	return key;
}
 

protected Combo getComboBox( Key key )
{
	for ( int i = fComboBoxes.size( ) - 1; i >= 0; i-- )
	{
		Combo curr = (Combo) fComboBoxes.get( i );
		ControlData data = (ControlData) curr.getData( );
		if ( key.equals( data.getKey( ) ) )
		{
			return curr;
		}
	}
	return null;
}