/*
* Copyright 2012 Red Hat, Inc. and/or its affiliates.
*
* 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.workbench.screens.guided.rule.client.editor;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.rule.ActionCallMethod;
import org.drools.workbench.models.datamodel.rule.ActionGlobalCollectionAdd;
import org.drools.workbench.models.datamodel.rule.ActionInsertFact;
import org.drools.workbench.models.datamodel.rule.ActionInsertLogicalFact;
import org.drools.workbench.models.datamodel.rule.ActionRetractFact;
import org.drools.workbench.models.datamodel.rule.ActionSetField;
import org.drools.workbench.models.datamodel.rule.ActionUpdateField;
import org.drools.workbench.models.datamodel.rule.DSLSentence;
import org.drools.workbench.models.datamodel.rule.FreeFormLine;
import org.drools.workbench.models.datamodel.rule.IAction;
import org.drools.workbench.models.datamodel.rule.RuleModel;
import org.drools.workbench.screens.guided.rule.client.editor.plugin.RuleModellerActionPlugin;
import org.drools.workbench.screens.guided.rule.client.resources.GuidedRuleEditorResources;
import org.gwtbootstrap3.client.ui.CheckBox;
import org.gwtbootstrap3.client.ui.ListBox;
import org.gwtbootstrap3.client.ui.ModalBody;
import org.kie.workbench.common.widgets.client.datamodel.AsyncPackageDataModelOracle;
import org.uberfire.ext.widgets.common.client.common.InfoPopup;
import org.uberfire.ext.widgets.common.client.common.popups.footers.ModalFooterOKCancelButtons;
/**
* Pop-up for adding Actions to the (RuleModeller) guided editor
*/
public class RuleModellerActionSelectorPopup extends AbstractRuleModellerSelectorPopup {
private Collection<RuleModellerActionPlugin> actionPlugins;
private final Command okCommand = new Command() {
@Override
public void execute() {
selectSomething();
}
};
private final Command cancelCommand = new Command() {
@Override
public void execute() {
hide();
}
};
public RuleModellerActionSelectorPopup(final RuleModel model,
final RuleModeller ruleModeller,
final Collection<RuleModellerActionPlugin> actionPlugins,
final Integer position,
final AsyncPackageDataModelOracle oracle) {
super(model,
ruleModeller,
position,
oracle);
this.actionPlugins = actionPlugins;
this.add(new ModalBody() {{
add(getContent());
}});
add(new ModalFooterOKCancelButtons(okCommand,
cancelCommand));
}
@Override
protected String getPopupTitle() {
return GuidedRuleEditorResources.CONSTANTS.AddANewAction();
}
@Override
public Widget getContent() {
if (position == null) {
positionCbo.addItem(GuidedRuleEditorResources.CONSTANTS.Bottom(),
String.valueOf(this.model.rhs.length));
positionCbo.addItem(GuidedRuleEditorResources.CONSTANTS.Top(),
"0");
for (int i = 1; i < model.rhs.length; i++) {
positionCbo.addItem(GuidedRuleEditorResources.CONSTANTS.Line0(i),
String.valueOf(i));
}
} else {
//if position is fixed, we just add one element to the drop down.
positionCbo.addItem(String.valueOf(position));
positionCbo.setSelectedIndex(0);
}
if (oracle.getDSLConditions().size() == 0 && oracle.getFactTypes().length == 0) {
layoutPanel.addRow(new HTML("<div class='highlight'>" + GuidedRuleEditorResources.CONSTANTS.NoModelTip() + "</div>"));
}
//only show the drop down if we are not using fixed position.
if (position == null) {
HorizontalPanel hp0 = new HorizontalPanel();
hp0.add(new HTML(GuidedRuleEditorResources.CONSTANTS.PositionColon()));
hp0.add(positionCbo);
hp0.add(new InfoPopup(GuidedRuleEditorResources.CONSTANTS.PositionColon(),
GuidedRuleEditorResources.CONSTANTS.ActionPositionExplanation()));
layoutPanel.addRow(hp0);
layoutPanel.addRow(new HTML("<hr/>"));
}
choices = makeChoicesListBox();
choicesPanel.add(choices);
layoutPanel.addRow(choicesPanel);
//DSL might be prohibited (e.g. editing a DRL file. Only DSLR files can contain DSL)
if (ruleModeller.isDSLEnabled()) {
CheckBox chkOnlyDisplayDSLConditions = new CheckBox();
chkOnlyDisplayDSLConditions.setText(GuidedRuleEditorResources.CONSTANTS.OnlyDisplayDSLActions());
chkOnlyDisplayDSLConditions.setValue(onlyShowDSLStatements);
chkOnlyDisplayDSLConditions.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
public void onValueChange(ValueChangeEvent<Boolean> event) {
onlyShowDSLStatements = event.getValue();
choicesPanel.setWidget(makeChoicesListBox());
}
});
layoutPanel.addRow(chkOnlyDisplayDSLConditions);
}
return layoutPanel;
}
@Override
public void show() {
super.show();
choices.setFocus(true);
}
private ListBox makeChoicesListBox() {
choices = new ListBox(true);
choices.setPixelSize(getChoicesWidth(),
getChoicesHeight());
choices.addKeyUpHandler(new KeyUpHandler() {
public void onKeyUp(com.google.gwt.event.dom.client.KeyUpEvent event) {
if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
selectSomething();
}
}
});
addDSLSentences();
if (!onlyShowDSLStatements) {
addUpdateNotModify();
addGlobals();
addRetractions();
addModifies();
addInsertions();
addLogicalInsertions();
addGlobalCollections();
addFreeFormDRL();
addCustomActionPlugins();
}
return choices;
}
// Add DSL sentences
private void addDSLSentences() {
//DSL might be prohibited (e.g. editing a DRL file. Only DSLR files can contain DSL)
if (!ruleModeller.isDSLEnabled()) {
return;
}
for (final DSLSentence sen : oracle.getDSLActions()) {
final String sentence = sen.toString();
final String key = "DSL" + sentence;
choices.addItem(sentence,
key);
cmds.put(key,
new Command() {
public void execute() {
addNewDSLRhs(sen,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
//Add update, not modify
private void addUpdateNotModify() {
List<String> vars = model.getAllLHSVariables();
if (vars.size() == 0) {
return;
}
choices.addItem(SECTION_SEPARATOR);
for (Iterator<String> iter = vars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem(GuidedRuleEditorResources.CONSTANTS.ChangeFieldValuesOf0(v),
"VAR" + v);
cmds.put("VAR" + v,
new Command() {
public void execute() {
addActionSetField(v,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
//Add Globals
private void addGlobals() {
String[] globals = oracle.getGlobalVariables();
if (globals.length == 0) {
return;
}
choices.addItem(SECTION_SEPARATOR);
for (int i = 0; i < globals.length; i++) {
final String v = globals[i];
choices.addItem(GuidedRuleEditorResources.CONSTANTS.ChangeFieldValuesOf0(v),
"GLOBVAR" + v);
cmds.put("GLOBVAR" + v,
new Command() {
public void execute() {
addActionSetField(v,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
//Add Retractions
private void addRetractions() {
List<String> vars = model.getLHSBoundFacts();
if (vars.size() == 0) {
return;
}
choices.addItem(SECTION_SEPARATOR);
for (Iterator<String> iter = vars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem(GuidedRuleEditorResources.CONSTANTS.Delete0(v),
"RET" + v);
cmds.put("RET" + v,
new Command() {
public void execute() {
addRetract(v,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
//Add Modifies
private void addModifies() {
List<String> vars = model.getAllLHSVariables();
if (vars.size() == 0) {
return;
}
choices.addItem(SECTION_SEPARATOR);
for (Iterator<String> iter = vars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem(GuidedRuleEditorResources.CONSTANTS.Modify0(v),
"MOD" + v);
cmds.put("MOD" + v,
new Command() {
public void execute() {
addModify(v,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
//Add insertions
private void addInsertions() {
if (oracle.getFactTypes().length == 0) {
return;
}
choices.addItem(SECTION_SEPARATOR);
for (int i = 0; i < oracle.getFactTypes().length; i++) {
final String item = oracle.getFactTypes()[i];
choices.addItem(GuidedRuleEditorResources.CONSTANTS.InsertFact0(item),
"INS" + item);
cmds.put("INS" + item,
new Command() {
public void execute() {
model.addRhsItem(new ActionInsertFact(item),
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
//Add logical insertions
private void addLogicalInsertions() {
if (oracle.getFactTypes().length == 0) {
return;
}
choices.addItem(SECTION_SEPARATOR);
for (int i = 0; i < oracle.getFactTypes().length; i++) {
final String item = oracle.getFactTypes()[i];
choices.addItem(GuidedRuleEditorResources.CONSTANTS.LogicallyInsertFact0(item),
"LINS" + item);
cmds.put("LINS" + item,
new Command() {
public void execute() {
model.addRhsItem(new ActionInsertLogicalFact(item),
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
//Add global collections
private void addGlobalCollections() {
List<String> vars = model.getLHSBoundFacts();
if (vars.size() == 0) {
return;
}
if (oracle.getGlobalCollections().length == 0) {
return;
}
choices.addItem(SECTION_SEPARATOR);
for (String bf : vars) {
for (int i = 0; i < oracle.getGlobalCollections().length; i++) {
final String glob = oracle.getGlobalCollections()[i];
final String var = bf;
choices.addItem(GuidedRuleEditorResources.CONSTANTS.Append0ToList1(var,
glob),
"GLOBCOL" + glob + var);
cmds.put("GLOBCOL" + glob + var,
new Command() {
public void execute() {
ActionGlobalCollectionAdd gca = new ActionGlobalCollectionAdd();
gca.setGlobalName(glob);
gca.setFactName(var);
model.addRhsItem(gca,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
}
//Add free-form DRL
private void addFreeFormDRL() {
List<String> lhsVars = model.getAllLHSVariables();
List<String> rhsVars = model.getRHSBoundFacts();
String[] globals = oracle.getGlobalVariables();
choices.addItem(SECTION_SEPARATOR);
choices.addItem(GuidedRuleEditorResources.CONSTANTS.AddFreeFormDrl(),
"FF");
cmds.put("FF",
new Command() {
public void execute() {
model.addRhsItem(new FreeFormLine(),
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
//Add globals
if (globals.length > 0) {
choices.addItem(SECTION_SEPARATOR);
}
for (int i = 0; i < globals.length; i++) {
final String v = globals[i];
choices.addItem(GuidedRuleEditorResources.CONSTANTS.CallMethodOn0(v),
"GLOBCALL" + v);
cmds.put("GLOBCALL" + v,
new Command() {
public void execute() {
addCallMethod(v,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
//Method calls
if (lhsVars.size() > 0) {
choices.addItem(SECTION_SEPARATOR);
}
for (Iterator<String> iter = lhsVars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem(GuidedRuleEditorResources.CONSTANTS.CallMethodOn0(v),
"CALL" + v);
cmds.put("CALL" + v,
new Command() {
public void execute() {
addCallMethod(v,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
//Update, not modify
if (rhsVars.size() > 0) {
choices.addItem(SECTION_SEPARATOR);
}
for (Iterator<String> iter = rhsVars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem(GuidedRuleEditorResources.CONSTANTS.CallMethodOn0(v),
"CALL" + v);
cmds.put("CALL" + v,
new Command() {
public void execute() {
addCallMethod(v,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
}
});
}
}
private void addCustomActionPlugins() {
if (actionPlugins != null) {
for (RuleModellerActionPlugin actionPlugin : actionPlugins) {
final IAction iAction = actionPlugin.createIAction(ruleModeller);
actionPlugin.addPluginToActionList(ruleModeller,
() -> {
choices.addItem(actionPlugin.getActionAddDescription(),
actionPlugin.getId());
cmds.put(actionPlugin.getId(),
() -> {
model.addRhsItem(iAction,
Integer.parseInt(positionCbo.getValue(positionCbo.getSelectedIndex())));
hide();
});
});
}
}
}
private void addNewDSLRhs(DSLSentence sentence,
int position) {
this.model.addRhsItem(sentence.copy(),
position);
}
private void addRetract(String var,
int position) {
this.model.addRhsItem(new ActionRetractFact(var),
position);
}
private void addActionSetField(String itemText,
int position) {
this.model.addRhsItem(new ActionSetField(itemText),
position);
}
private void addCallMethod(String itemText,
int position) {
this.model.addRhsItem(new ActionCallMethod(itemText),
position);
}
private void addModify(String itemText,
int position) {
this.model.addRhsItem(new ActionUpdateField(itemText),
position);
}
}