package org.drools.guvnor.client.decisiontable;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.drools.guvnor.client.common.FormStylePopup;
import org.drools.guvnor.client.common.ImageButton;
import org.drools.guvnor.client.common.InfoPopup;
import org.drools.guvnor.client.common.SmallLabel;
import org.drools.guvnor.client.messages.Constants;
import org.drools.ide.common.client.modeldriven.SuggestionCompletionEngine;
import org.drools.ide.common.client.modeldriven.dt.ActionCol;
import org.drools.ide.common.client.modeldriven.dt.ActionSetFieldCol;
import org.drools.ide.common.client.modeldriven.dt.ConditionCol;
import org.drools.ide.common.client.modeldriven.dt.GuidedDecisionTable;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ChangeListener;
import com.google.gwt.user.client.ui.CheckBox;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.core.client.GWT;
public class ActionSetColumn extends FormStylePopup {
private ActionSetFieldCol editingCol;
private SmallLabel bindingLabel = new SmallLabel();
private TextBox fieldLabel = getFieldLabel();
private GuidedDecisionTable dt;
private SuggestionCompletionEngine sce;
private Constants constants = GWT.create( Constants.class );
public ActionSetColumn(SuggestionCompletionEngine sce,
final GuidedDecisionTable dt,
final Command refreshGrid,
final ActionSetFieldCol col,
final boolean isNew) {
this.editingCol = new ActionSetFieldCol();
this.dt = dt;
this.sce = sce;
editingCol.boundName = col.boundName;
editingCol.factField = col.factField;
editingCol.header = col.header;
editingCol.type = col.type;
editingCol.valueList = col.valueList;
editingCol.update = col.update;
editingCol.defaultValue = col.defaultValue;
editingCol.hideColumn = col.hideColumn;
super.setModal( false );
setTitle( constants.ColumnConfigurationSetAFieldOnAFact() );
HorizontalPanel pattern = new HorizontalPanel();
pattern.add( bindingLabel );
doBindingLabel();
Image changePattern = new ImageButton( "images/edit.gif",
constants.ChooseABoundFactThatThisColumnPertainsTo(),
new ClickListener() {
public void onClick(Widget w) {
showChangeFact( w );
}
} );
pattern.add( changePattern );
addAttribute( constants.Fact(),
pattern );
HorizontalPanel field = new HorizontalPanel();
field.add( fieldLabel );
Image editField = new ImageButton( "images/edit.gif",
constants.EditTheFieldThatThisColumnOperatesOn(),
new ClickListener() {
public void onClick(Widget w) {
showFieldChange();
}
} );
field.add( editField );
addAttribute( constants.Field(),
field );
doFieldLabel();
final TextBox valueList = new TextBox();
valueList.setText( editingCol.valueList );
valueList.addChangeListener( new ChangeListener() {
public void onChange(Widget w) {
editingCol.valueList = valueList.getText();
}
} );
HorizontalPanel vl = new HorizontalPanel();
vl.add( valueList );
vl.add( new InfoPopup( constants.ValueList(),
constants.ValueListsExplanation() ) );
addAttribute( constants.optionalValueList(),
vl );
final TextBox header = new TextBox();
header.setText( col.header );
header.addChangeListener( new ChangeListener() {
public void onChange(Widget w) {
editingCol.header = header.getText();
}
} );
addAttribute( constants.ColumnHeaderDescription(),
header );
addAttribute( constants.UpdateEngineWithChanges(),
doUpdate() );
addAttribute( constants.DefaultValue(),
GuidedDTColumnConfig.getDefaultEditor( editingCol ) );
Button apply = new Button( constants.ApplyChanges() );
apply.addClickListener( new ClickListener() {
public void onClick(Widget w) {
if ( null == editingCol.header || "".equals( editingCol.header ) ) {
Window.alert( constants.YouMustEnterAColumnHeaderValueDescription() );
return;
}
if ( isNew ) {
if ( !unique( editingCol.header ) ) {
Window.alert( constants.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
dt.actionCols.add( editingCol );
} else {
if ( !col.header.equals( editingCol.header ) ) {
if ( !unique( editingCol.header ) ) {
Window.alert( constants.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
}
col.boundName = editingCol.boundName;
col.factField = editingCol.factField;
col.header = editingCol.header;
col.type = editingCol.type;
col.valueList = editingCol.valueList;
col.update = editingCol.update;
col.defaultValue = editingCol.defaultValue;
col.hideColumn = editingCol.hideColumn;
}
refreshGrid.execute();
hide();
}
} );
addAttribute( "",
apply );
}
private boolean unique(String header) {
for ( ActionCol o : dt.actionCols ) {
if ( o.header.equals( header ) ) return false;
}
return true;
}
private Widget doUpdate() {
HorizontalPanel hp = new HorizontalPanel();
final CheckBox cb = new CheckBox();
cb.setChecked( editingCol.update );
cb.setText( "" );
cb.addClickListener( new ClickListener() {
public void onClick(Widget arg0) {
if ( sce.isGlobalVariable( editingCol.boundName ) ) {
cb.setChecked( false );
editingCol.update = false;
} else {
editingCol.update = cb.isChecked();
}
}
} );
hp.add( cb );
hp.add( new InfoPopup( constants.UpdateFact(),
constants.UpdateDescription() ) );
return hp;
}
private TextBox getFieldLabel() {
final TextBox box = new TextBox();
box.addChangeListener( new ChangeListener() {
public void onChange(Widget w) {
editingCol.factField = box.getText();
}
} );
return box;
}
private void showFieldChange() {
final FormStylePopup pop = new FormStylePopup();
pop.setModal( false );
final String factType = getFactType();
String[] fields = this.sce.getFieldCompletions( factType );
final ListBox box = new ListBox();
for ( int i = 0; i < fields.length; i++ ) {
box.addItem( fields[i] );
}
pop.addAttribute( constants.Field(),
box );
Button b = new Button( constants.OK() );
pop.addAttribute( "",
b );
b.addClickListener( new ClickListener() {
public void onClick(Widget w) {
editingCol.factField = box.getItemText( box.getSelectedIndex() );
editingCol.type = sce.getFieldType( factType,
editingCol.factField );
doFieldLabel();
pop.hide();
}
} );
pop.show();
}
private String getFactType() {
if ( sce.isGlobalVariable( editingCol.boundName ) ) {
return sce.getGlobalVariable( editingCol.boundName );
}
return getFactType( this.editingCol.boundName );
}
private void doFieldLabel() {
if ( this.editingCol.factField != null ) {
this.fieldLabel.setText( this.editingCol.factField );
} else {
this.fieldLabel.setText( constants.pleaseChooseAFactPatternFirst() );
}
}
private String getFactType(String boundName) {
for ( Iterator iterator = dt.conditionCols.iterator(); iterator.hasNext(); ) {
ConditionCol col = (ConditionCol) iterator.next();
if ( col.boundName.equals( boundName ) ) {
return col.factType;
}
}
return "";
}
private void showChangeFact(Widget w) {
final FormStylePopup pop = new FormStylePopup();
final ListBox pats = this.loadBoundFacts();
pop.addAttribute( constants.ChooseFact(),
pats );
Button ok = new Button( constants.OK() );
pop.addAttribute( "",
ok );
ok.addClickListener( new ClickListener() {
public void onClick(Widget w) {
String val = pats.getValue( pats.getSelectedIndex() );
editingCol.boundName = val;
doBindingLabel();
pop.hide();
}
} );
pop.show();
}
private ListBox loadBoundFacts() {
Set facts = new HashSet();
for ( int i = 0; i < this.dt.conditionCols.size(); i++ ) {
ConditionCol c = (ConditionCol) dt.conditionCols.get( i );
facts.add( c.boundName );
}
ListBox box = new ListBox();
for ( Iterator iterator = facts.iterator(); iterator.hasNext(); ) {
String b = (String) iterator.next();
box.addItem( b );
}
String[] globs = this.sce.getGlobalVariables();
for ( int i = 0; i < globs.length; i++ ) {
box.addItem( globs[i] );
}
return box;
}
private void doBindingLabel() {
if ( this.editingCol.boundName != null ) {
this.bindingLabel.setText( "" + this.editingCol.boundName );
} else {
this.bindingLabel.setText( constants.pleaseChooseABoundFactForThisColumn() );
}
}
}