Java ComboVar类代码示例

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
/**
 * Create the UI to enter one argument.
 * @param argumentDescriptor
 * @param lastControl
 * @param items
 * @return The combobox where the user enters the argument.
 */
private ComboVar createArgumentUI(Object[] argumentDescriptor, Control lastControl, String[] items){
  String argumentName = (String)argumentDescriptor[0];
  Label label = new Label(metadataComposite, SWT.RIGHT);
  label.setText(BaseMessages.getString(PKG, "JdbcMetadata.arguments." + argumentName + ".Label"));
  label.setToolTipText(BaseMessages.getString(PKG, "JdbcMetadata.arguments." + argumentName + ".Tooltip"));
  props.setLook(label);
  FormData labelFormData = new FormData();
  labelFormData.left = new FormAttachment(0, 0);
  labelFormData.right = new FormAttachment(middle, -margin);
  labelFormData.top = new FormAttachment(lastControl, margin);
  label.setLayoutData(labelFormData);

  ComboVar comboVar = new ComboVar(transMeta, metadataComposite, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
  props.setLook(comboVar);
  FormData comboVarFormData = new FormData();
  comboVarFormData.left = new FormAttachment(middle, 0);
  comboVarFormData.right = new FormAttachment(100, 0);
  comboVarFormData.top = new FormAttachment(lastControl, margin);
  comboVar.setLayoutData(comboVarFormData);
  comboVar.setItems(items);

  comboVar.addModifyListener(lsMod);

  return comboVar;
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
/**
 * Create UI to enter arguments.
 * Return a new set of arguments to store in the meta object
 */
private String[] createArgumentsUI(Object[] argumentDescriptors, String[] currentValues){
  logDebug("createArgumentsUI, currentValues = " + (currentValues == null ? "null" : currentValues.length));
  Object[] argumentDescriptor;
  int argc = argumentDescriptors.length;
  String[] newArguments = new String[argc];
  Control lastControl = removeArgumentFieldsButton;
  String[] items = argumentSourceFields.getSelection() ? getFieldListForCombo() : emptyFieldList;
  for (int i = 0; i < argc; i++){
    argumentDescriptor = (Object[])argumentDescriptors[i];
    ComboVar comboVar = createArgumentUI(argumentDescriptor, lastControl, items);
    lastControl = comboVar;

    //copy the old argument values to the new arguments array
    if (i >= currentValues.length) continue;
    String argumentValue = currentValues[i];
    newArguments[i] = argumentValue;
    if (argumentValue == null) continue;
    comboVar.setText(argumentValue);
  }
  return newArguments;
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
/**
 * Gets fields from previous steps and populate a ComboVar.
 * @param comboVar the comboVar to populate
 * @param TransMeta the source transformation
 * @param StepMeta the source step 
 */
public static final void getFieldsFromPrevious(ComboVar comboVar,TransMeta transMeta,StepMeta stepMeta)
{
 String selectedField=null;
 int indexField=-1;
 try{   
	 RowMetaInterface r = transMeta.getPrevStepFields(stepMeta);
	 selectedField=comboVar.getText();
	 comboVar.removeAll();
		
	 if (r!=null && !r.isEmpty()) {
            r.getFieldNames();
            comboVar.setItems(r.getFieldNames());
            indexField=r.indexOfValue(selectedField);
	 }
	 // Select value if possible...
	 if(indexField>-1) comboVar.select(indexField); else { if(selectedField!=null) comboVar.setText(selectedField);};
 }catch(KettleException ke){
		new ErrorDialog(comboVar.getShell(),Messages.getString("BaseStepDialog.FailedToGetFieldsPrevious.DialogTitle"),
				Messages.getString("BaseStepDialog.FailedToGetFieldsPrevious.DialogMessage"),ke);
	}
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
private void setEncodings(ComboVar var)
{
 // Encoding of the text file:
      String encoding=Const.NVL(var.getText(),Const.getEnvironmentVariable("file.encoding", "UTF-8"));
      var.removeAll();
      ArrayList<Charset> values = new ArrayList<Charset>(Charset.availableCharsets().values());
      for (int i=0;i<values.size();i++)
      {
          Charset charSet = (Charset)values.get(i);
          var.add( charSet.displayName() );
      }
      
      // Now select the default!
      int idx = Const.indexOfString(encoding, var.getItems() );
      if (idx>=0) var.select( idx );
  }
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
/**
 * Gets fields from previous steps and populate a ComboVar.
 * @param comboVar the comboVar to populate
 * @param TransMeta the source transformation
 * @param StepMeta the source step 
 */
public static final void getFieldsFromPrevious(ComboVar comboVar,TransMeta transMeta,StepMeta stepMeta)
{
 String selectedField=null;
 int indexField=-1;
 try{   
	 RowMetaInterface r = transMeta.getPrevStepFields(stepMeta);
	 selectedField=comboVar.getText();
	 comboVar.removeAll();
		
	 if (r!=null && !r.isEmpty()) {
            r.getFieldNames();
            comboVar.setItems(r.getFieldNames());
            indexField=r.indexOfValue(selectedField);
	 }
	 // Select value if possible...
	 if(indexField>-1) comboVar.select(indexField); else { if(selectedField!=null) comboVar.setText(selectedField);};
 }catch(KettleException ke){
		new ErrorDialog(comboVar.getShell(),BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogTitle"),
				BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogMessage"),ke);
	}
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
public void addDatabases(ComboVar wConnection, Class<? extends DatabaseInterface> databaseType) {
for (int i = 0; i < transMeta.nrDatabases(); i++) {
    DatabaseMeta ci = transMeta.getDatabase(i);
    if (databaseType==null || ci.getDatabaseInterface().getClass().equals(databaseType)) {
 	  wConnection.add(ci.getName());
   }
}
//  Add the metaDBConnectionName if we have it 
//  and it is already not added to the list in wConnection.
if (!Const.isEmpty(input.getDbConnectionName())) {
 String[] arrayDatabaseList = wConnection.getItems();
 if (arrayDatabaseList == null) {
  List<String> databaseNameList = Arrays.asList(arrayDatabaseList);
  if (!databaseNameList.contains(input.getDbConnectionName())) {
   wConnection.add(input.getDbConnectionName());
  }
 }
}
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
/**
 * Gets fields from previous steps and populate a ComboVar.
 *
 * @param comboVar the Combo Box (with Variables) to populate
 * @param transMeta the transformation metadata
 * @param stepMeta the step metadata
 */
public static final void getFieldsFromPrevious(ComboVar comboVar,TransMeta transMeta,StepMeta stepMeta)
{
 String selectedField=null;
 int indexField=-1;
 try{   
	 RowMetaInterface r = transMeta.getPrevStepFields(stepMeta);
	 selectedField=comboVar.getText();
	 comboVar.removeAll();
		
	 if (r!=null && !r.isEmpty()) {
            r.getFieldNames();
            comboVar.setItems(r.getFieldNames());
            indexField=r.indexOfValue(selectedField);
	 }
	 // Select value if possible...
	 if(indexField>-1) comboVar.select(indexField); else { if(selectedField!=null) comboVar.setText(selectedField);};
 }catch(KettleException ke){
		new ErrorDialog(comboVar.getShell(),BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogTitle"),
				BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogMessage"),ke);
	}
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
private void setEncodings( ComboVar var ) {
  // Encoding of the text file:
  String encoding = Const.NVL( var.getText(), Const.getEnvironmentVariable( "file.encoding", "UTF-8" ) );
  var.removeAll();
  ArrayList<Charset> values = new ArrayList<Charset>( Charset.availableCharsets().values() );
  for ( int i = 0; i < values.size(); i++ ) {
    Charset charSet = values.get( i );
    var.add( charSet.displayName() );
  }

  // Now select the default!
  int idx = Const.indexOfString( encoding, var.getItems() );
  if ( idx >= 0 ) {
    var.select( idx );
  }
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
public void addDatabases( ComboVar wConnection, Class<? extends DatabaseInterface> databaseType ) {
  for ( int i = 0; i < transMeta.nrDatabases(); i++ ) {
    DatabaseMeta ci = transMeta.getDatabase( i );
    if ( databaseType == null || ci.getDatabaseInterface().getClass().equals( databaseType ) ) {
      wConnection.add( ci.getName() );
    }
  }
  // Add the metaDBConnectionName if we have it
  // and it is already not added to the list in wConnection.
  if ( !Utils.isEmpty( input.getDbConnectionName() ) ) {
    String[] arrayDatabaseList = wConnection.getItems();
    if ( arrayDatabaseList == null ) {
      List<String> databaseNameList = Arrays.asList();
      if ( !databaseNameList.contains( input.getDbConnectionName() ) ) {
        wConnection.add( input.getDbConnectionName() );
      }
    }
  }
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
private String[] getArguments(){
  logDebug("getArguments");
  List<String> list = new ArrayList<String>();
  Control [] controls = metadataComposite.getChildren();
  String text;
  for (Control control : controls) {
    if (!(control instanceof ComboVar)) continue;
    ComboVar comboVar = (ComboVar)control;
    text = comboVar.getText();
    list.add(text);
  }
  String[] arguments = new String[list.size()];
  list.toArray(arguments);
  return arguments;
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
@Override
protected ComboVar createWidget( Composite parent ) {
  ComboVar comboVar = createComboVar( this.variableSpace, parent, SWT.BORDER );
  String[] itemsArray = this.items.toArray( new String[ items.size() ] );
  comboVar.setItems( itemsArray );
  return comboVar;
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
@Override protected Field<ComboVar> createWidget( Composite parent ) {
  final Field<ComboVar> field = new Field<ComboVar>( parent, SWT.NONE );
  prepareControl( field, new ComboVarBuilder( field, props, variableSpace ) );

  for ( ModifyListener ml : listeners ) {
    field.getControl().addModifyListener( ml );
  }
  for ( SelectionAdapter selectionListener : selectionListeners ) {
    field.getControl().addSelectionListener( selectionListener );
  }

  return field;
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
@Test
public void testCreateWidget() throws Exception {
  ComboVar comboVarMock = mock( ComboVar.class );
  doReturn( comboVarMock ).when( comboVarBuilderSpy )
    .createComboVar( any( VariableSpace.class ), any( Composite.class ), anyInt() );
  when( comboVarBuilderSpy.addItem( anyString() ) ).thenCallRealMethod();

  ComboVar comboVar = comboVarBuilderSpy.createWidget( parent );
  assertNotNull( comboVar );
  assertEquals( 0, comboVar.getItemCount() );
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
/**
 * Gets fields from previous steps and populate a ComboVar.
 *
 * @param comboVar  the comboVar to populate
 * @param TransMeta the source transformation
 * @param StepMeta  the source step
 */
public static final void getFieldsFromPrevious( ComboVar comboVar, TransMeta transMeta, StepMeta stepMeta ) {
  String selectedField = null;
  int indexField = -1;
  try {
    RowMetaInterface r = transMeta.getPrevStepFields(stepMeta);
    selectedField = comboVar.getText();
    comboVar.removeAll();

    if (r != null && !r.isEmpty()) {
      r.getFieldNames();
      comboVar.setItems(r.getFieldNames());
      indexField = r.indexOfValue(selectedField);
    }
    // Select value if possible...
    if (indexField > -1) {
      comboVar.select(indexField);
    } else {
      if (selectedField != null) {
        comboVar.setText(selectedField);
      }
    }
    ;
  } catch (KettleException ke) {
    new ErrorDialog(comboVar.getShell(),
        BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogTitle"),
        BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogMessage"), ke);
  }
}
 

import org.pentaho.di.ui.core.widget.ComboVar; //导入依赖的package包/类
/**
 * Gets fields from previous steps and populate a ComboVar.
 *
 * @param comboVar
 *          the comboVar to populate
 * @param TransMeta
 *          the source transformation
 * @param StepMeta
 *          the source step
 */
public static final void getFieldsFromPrevious( ComboVar comboVar, TransMeta transMeta, StepMeta stepMeta ) {
  String selectedField = null;
  int indexField = -1;
  try {
    RowMetaInterface r = transMeta.getPrevStepFields( stepMeta );
    selectedField = comboVar.getText();
    comboVar.removeAll();

    if ( r != null && !r.isEmpty() ) {
      r.getFieldNames();
      comboVar.setItems( r.getFieldNames() );
      indexField = r.indexOfValue( selectedField );
    }
    // Select value if possible...
    if ( indexField > -1 ) {
      comboVar.select( indexField );
    } else {
      if ( selectedField != null ) {
        comboVar.setText( selectedField );
      }
    }

  } catch ( KettleException ke ) {
    new ErrorDialog( comboVar.getShell(),
      BaseMessages.getString( PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogTitle" ),
      BaseMessages.getString( PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogMessage" ), ke );
  }
}