/*
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.guvnor.client.ruleeditor;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.drools.guvnor.client.common.SmallLabel;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.packages.SuggestionCompletionCache;
import org.drools.guvnor.client.rpc.RuleAsset;
import org.drools.guvnor.client.rpc.WorkingSetConfigData;
import org.drools.ide.common.client.factconstraints.ConstraintConfiguration;
import org.drools.ide.common.client.factconstraints.customform.CustomFormConfiguration;
import org.drools.ide.common.client.factconstraints.helper.CustomFormsContainer;
import org.drools.ide.common.client.modeldriven.SuggestionCompletionEngine;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
public class CustomFormsEditorPanel extends Composite {
private Constants constants = GWT.create( Constants.class );
private ListBox factsCombo = new ListBox( false );
private ListBox fieldsCombo = new ListBox( false );
private TextBox customFormURL = new TextBox();
private TextBox customFormWidth = new TextBox();
private TextBox customFormHeight = new TextBox();
private boolean validFactsChanged = true;
private Map<String, ConstraintConfiguration> contraintsMap = new HashMap<String, ConstraintConfiguration>();
private final RuleAsset workingSet;
private final WorkingSetEditor workingSetEditor;
public CustomFormsEditorPanel(final WorkingSetEditor workingSetEditor) {
this.workingSetEditor = workingSetEditor;
this.workingSet = workingSetEditor.getWorkingSet();
factsCombo.setVisibleItemCount( 1 );
fieldsCombo.setVisibleItemCount( 1 );
customFormURL.setWidth( "400px" );
customFormURL.setTitle( "Leave it blank if you want to remove the Custom Form URL" ); //TODO: I18N
customFormHeight.setWidth( "50px" );
customFormWidth.setWidth( "50px" );
factsCombo.addChangeHandler( new ChangeHandler() {
public void onChange(ChangeEvent event) {
fillSelectedFactFields();
}
} );
fieldsCombo.addChangeHandler( new ChangeHandler() {
public void onChange(ChangeEvent event) {
fillFieldConstrains();
}
} );
final FlexTable table = new FlexTable();
VerticalPanel vp = new VerticalPanel();
vp.add( new SmallLabel( constants.FactTypes() ) );
vp.add( factsCombo );
table.setWidget( 0,
0,
vp );
vp = new VerticalPanel();
vp.add( new SmallLabel( constants.Field() ) );
vp.add( fieldsCombo );
table.setWidget( 1,
0,
vp );
vp = new VerticalPanel();
vp.add( new SmallLabel( "Custom Form URL:" ) ); //TODO i18n
Button btnUpdateURL = new Button( constants.OK(),
new ClickHandler() {
public void onClick(ClickEvent event) {
int w;
int h;
try {
w = Integer.parseInt( customFormWidth.getText() );
h = Integer.parseInt( customFormHeight.getText() );
} catch ( NumberFormatException ex ) {
Window.alert( "Width and Height must be integer values!" ); //TODO: I18N
return;
}
if ( ((WorkingSetConfigData) workingSet.getContent()).customForms == null ) {
((WorkingSetConfigData) workingSet.getContent()).customForms = new ArrayList<CustomFormConfiguration>();
}
String factType = factsCombo.getItemText( factsCombo.getSelectedIndex() );
String fieldName = fieldsCombo.getItemText( fieldsCombo.getSelectedIndex() );
CustomFormConfiguration newCustomFormConfiguration = CustomFormsContainer.getEmptyCustomFormConfiguration();
newCustomFormConfiguration.setFactType( factType );
newCustomFormConfiguration.setFieldName( fieldName );
newCustomFormConfiguration.setCustomFormURL( customFormURL.getText() );
newCustomFormConfiguration.setCustomFormWidth( w );
newCustomFormConfiguration.setCustomFormHeight( h );
workingSetEditor.getCustomFormsContainer().putCustomForm( newCustomFormConfiguration );
((WorkingSetConfigData) workingSet.getContent()).customForms = workingSetEditor.getCustomFormsContainer().getCustomForms();
}
} );
vp.add( customFormURL );
vp.add( new SmallLabel( "Width:" ) );
vp.add( customFormWidth );
vp.add( new SmallLabel( "Height:" ) );
vp.add( customFormHeight );
table.setWidget( 2,
0,
vp );
table.setWidget( 3,
0,
btnUpdateURL );
fillSelectedFacts();
fillSelectedFactFields();
fillFieldConstrains();
this.initWidget( table );
}
protected final void fillSelectedFacts() {
if ( validFactsChanged ) {
String s = factsCombo.getSelectedIndex() != -1 ? factsCombo.getItemText( factsCombo.getSelectedIndex() ) : "";
factsCombo.clear();
validFactsChanged = false;
for ( int i = 0; i < workingSetEditor.getValidFactsListBox().getItemCount(); i++ ) {
String itemText = workingSetEditor.getValidFactsListBox().getItemText( i );
factsCombo.addItem( itemText );
if ( s.equals( itemText ) ) {
factsCombo.setSelectedIndex( i );
}
}
if ( factsCombo.getSelectedIndex() == -1 && factsCombo.getItemCount() > 0 ) {
factsCombo.setSelectedIndex( 0 );
}
fillSelectedFactFields();
}
}
private void fillSelectedFactFields() {
if ( factsCombo.getSelectedIndex() != -1 ) {
String fact = factsCombo.getItemText( factsCombo.getSelectedIndex() );
fieldsCombo.clear();
for ( String field : getCompletionEngine().getFieldCompletions( fact ) ) {
fieldsCombo.addItem( field );
}
}
if ( fieldsCombo.getSelectedIndex() == -1 && fieldsCombo.getItemCount() > 0 ) {
fieldsCombo.setSelectedIndex( 0 );
}
fillFieldConstrains();
}
private void fillFieldConstrains() {
if (fieldsCombo.getSelectedIndex() > 0 && factsCombo.getSelectedIndex() > 0) {
String fieldName = fieldsCombo.getItemText(fieldsCombo.getSelectedIndex());
String factField = factsCombo.getItemText(factsCombo.getSelectedIndex());
contraintsMap.clear();
if ( this.workingSetEditor.getCustomFormsContainer().containsCustomFormFor( factField,
fieldName ) ) {
CustomFormConfiguration customForm = this.workingSetEditor.getCustomFormsContainer().getCustomForm( factField,
fieldName );
this.customFormURL.setText( customForm.getCustomFormURL() );
this.customFormWidth.setText( String.valueOf( customForm.getCustomFormWidth() ) );
this.customFormHeight.setText( String.valueOf( customForm.getCustomFormHeight() ) );
} else {
this.customFormURL.setText( "" );
this.customFormWidth.setText( "" );
this.customFormHeight.setText( "" );
}
}
}
private SuggestionCompletionEngine getCompletionEngine() {
return SuggestionCompletionCache.getInstance().getEngineFromCache( workingSet.getMetaData().getPackageName() );
}
public void notifyValidFactsChanged() {
this.validFactsChanged = true;
}
}