/*
* 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 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.*;
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 java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
public class CustomFormsEditorPanel extends Composite {
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();
Constants constants = GWT.create(Constants.class);
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;
}
}