package org.kuali.student.common.ui.client.widgets.field.layout.layouts;

 import java.util.ArrayList;

 import java.util.List;

 import org.kuali.student.common.ui.client.configurable.mvc.SectionTitle;

 import org.kuali.student.common.ui.client.configurable.mvc.sections.ValidationMessagePanel;

 import org.kuali.student.common.ui.client.widgets.field.layout.button.ButtonLayout;

 import org.kuali.student.common.ui.client.widgets.field.layout.element.FieldElement;

 import org.kuali.student.common.ui.client.widgets.field.layout.element.SpanPanel;

 import com.google.gwt.user.client.ui.FlexTable;

 import com.google.gwt.user.client.ui.FlowPanel;

 import com.google.gwt.user.client.ui.Widget;

 /**

  * A layout which adds fields as rows in a table.  All child layouts appear after these fields.

  * @author Kuali Student Team

  *

  */

 public class TableFieldLayout extends FieldLayout{

         private SpanPanel top = new SpanPanel();

         private SpanPanel buttonPanel = new SpanPanel();

         protected FlowPanel verticalLayout = new FlowPanel();

         private FlexTable table = new FlexTable();

         private int row = 0;

         public List<Widget> tableIndex = new ArrayList<Widget>();

         public TableFieldLayout(){

                 this.hasValidation = true;

                 init();

         }

         public TableFieldLayout(boolean hasValidation){

                 this.hasValidation = hasValidation;

                 init();

         }

         public TableFieldLayout(SectionTitle title, boolean hasValidation){

                 this.hasValidation = hasValidation;

                 this.setLayoutTitle(title);

                 init();

         }

         private void init(){

                 instructions.setVisible(false);

                 verticalLayout.add(instructions);

                 verticalLayout.add(message);

                 table.setWidth("100%");

                 table.setStyleName("ks-table-plain");

                 verticalLayout.add(table);

                 this.add(verticalLayout);

         }

         @Override

         public void addFieldToLayout(FieldElement field) {

                 FlowPanel fieldPanel = field.getFieldWidgetAreaLayout();

                 table.setWidget(row, 0, field.getFieldDetailsLayout());

                 table.setWidget(row, 1, fieldPanel);

                 if(this.hasValidation){

                         ValidationMessagePanel validationPanel = new ValidationMessagePanel(false);

                         table.setWidget(row, 2, validationPanel);

                         field.setValidationPanel(validationPanel);

                         field.setParentElement(table.getRowFormatter().getElement(row));

                         table.getColumnFormatter().setStyleName(0, "ks-table-title-column-width");

                         table.getColumnFormatter().setStyleName(1, "ks-table-field-column-width");

                         validationPanel.setStyleName("ks-form-module-validation-inline");

                 }

                 else{

                         table.getColumnFormatter().setStyleName(0, "ks-table-title-column-width");

                 }

                 row++;

         }

         @Override

         public void addLayoutToLayout(FieldLayout layout) {

                 verticalLayout.add(layout);

         }

         @Override

         public void addWidgetToLayout(Widget widget) {

                 verticalLayout.add(widget);

         }

         @Override

         public void removeFieldLayoutComponentFromLayout(

                         FieldLayoutComponent component) {

                 if(component instanceof FieldElement){

                         int index = tableIndex.indexOf(component);

                         table.removeRow(index);

                 }

                 else if(component instanceof FieldLayout){

                         verticalLayout.remove((FieldLayout)component);

                 }

         }

         @Override

         public void removeWidgetFromLayout(Widget widget) {

                 verticalLayout.remove(widget);

         }

         @Override

         public void setLayoutTitle(SectionTitle layoutTitle) {

                 if(this.layoutTitle != null){

                         verticalLayout.remove(this.layoutTitle);

                 }

                 this.layoutTitle = layoutTitle;

                 verticalLayout.insert(layoutTitle, 0);

                 layoutTitle.addStyleName("ks-layout-header");

         }

         @Override

         public void addButtonLayoutToLayout(ButtonLayout buttonLayout) {

                 // TODO Auto-generated method stub

         }

 }