/*
* Copyright 2015 JBoss, by Red Hat, 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.uberfire.ext.plugin.client.perspective.editor.layout.editor.popups;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.Widget;
import org.gwtbootstrap3.client.shared.event.ModalHiddenEvent;
import org.gwtbootstrap3.client.shared.event.ModalHiddenHandler;
import org.gwtbootstrap3.client.ui.FormGroup;
import org.gwtbootstrap3.client.ui.HelpBlock;
import org.gwtbootstrap3.client.ui.TextBox;
import org.gwtbootstrap3.client.ui.constants.ValidationState;
import org.uberfire.ext.layout.editor.client.api.ModalConfigurationContext;
import org.uberfire.ext.plugin.client.resources.i18n.CommonConstants;
import org.uberfire.ext.plugin.client.validation.NameValidator;
import org.uberfire.ext.properties.editor.client.PropertyEditorWidget;
import org.uberfire.ext.properties.editor.model.PropertyEditorCategory;
import org.uberfire.ext.properties.editor.model.PropertyEditorEvent;
import org.uberfire.ext.properties.editor.model.PropertyEditorFieldInfo;
import org.uberfire.ext.properties.editor.model.PropertyEditorType;
import org.uberfire.ext.widgets.common.client.common.popups.BaseModal;
import org.uberfire.ext.widgets.common.client.common.popups.ButtonPressed;
import org.uberfire.ext.widgets.common.client.common.popups.footers.ModalFooterOKCancelButtons;
import static org.uberfire.ext.plugin.client.perspective.editor.layout.editor.ScreenLayoutDragComponent.PLACE_NAME_PARAMETER;
public class EditScreen
extends BaseModal {
public static String PROPERTY_EDITOR_KEY = "LayoutEditor";
private static Binder uiBinder = GWT.create(Binder.class);
private final ModalConfigurationContext configContext;
protected List<String> availableWorkbenchScreensIds = new ArrayList<String>();
@UiField
TextBox key;
@UiField
FormGroup paramKeyControlGroup;
@UiField
HelpBlock paramKeyInline;
@UiField
TextBox value;
@UiField
PropertyEditorWidget propertyEditor;
private ButtonPressed buttonPressed = ButtonPressed.CLOSE;
private Map<String, String> lastParametersSaved = new HashMap<String, String>();
public EditScreen(ModalConfigurationContext configContext,
List<String> availableWorkbenchScreensIds) {
this.availableWorkbenchScreensIds = availableWorkbenchScreensIds;
this.configContext = configContext;
setTitle(CommonConstants.INSTANCE.EditComponent());
setBody(uiBinder.createAndBindUi(EditScreen.this));
propertyEditor.handle(generateEvent(generateScreenSettingsCategory()));
saveOriginalState();
add(new ModalFooterOKCancelButtons(
new Command() {
@Override
public void execute() {
okButton();
}
},
new Command() {
@Override
public void execute() {
cancelButton();
}
}
)
);
addHiddenHandler();
}
private void saveOriginalState() {
lastParametersSaved = new HashMap<String, String>();
Map<String, String> layoutComponentProperties = configContext.getComponentProperties();
for (String key : layoutComponentProperties.keySet()) {
lastParametersSaved.put(key,
layoutComponentProperties.get(key));
}
}
protected void addHiddenHandler() {
addHiddenHandler(new ModalHiddenHandler() {
@Override
public void onHidden(ModalHiddenEvent hiddenEvent) {
if (userPressedCloseOrCancel()) {
revertChanges();
configContext.configurationCancelled();
}
}
});
}
private boolean userPressedCloseOrCancel() {
return ButtonPressed.CANCEL.equals(buttonPressed) || ButtonPressed.CLOSE.equals(buttonPressed);
}
private void revertChanges() {
configContext.resetComponentProperties();
for (String key : lastParametersSaved.keySet()) {
configContext.setComponentProperty(key,
lastParametersSaved.get(key));
}
}
public void show() {
super.show();
}
void okButton() {
buttonPressed = ButtonPressed.OK;
// Make sure a default screen is set before finish
if (configContext.getComponentProperty(PLACE_NAME_PARAMETER) == null) {
if (!availableWorkbenchScreensIds.isEmpty()) {
configContext.setComponentProperty(PLACE_NAME_PARAMETER,
availableWorkbenchScreensIds.get(0));
configContext.configurationFinished();
} else {
// If no screens are available then cancel
configContext.configurationCancelled();
}
} else {
configContext.configurationFinished();
}
hide();
}
void cancelButton() {
buttonPressed = ButtonPressed.CANCEL;
hide();
}
@Override
public void hide() {
super.hide();
}
@UiHandler("add")
void add(final ClickEvent event) {
final PropertyEditorCategory property = addProperty();
if (property == null) {
return;
}
propertyEditor.handle(generateEvent(property));
key.setText("");
value.setText("");
}
private PropertyEditorCategory addProperty() {
paramKeyInline.setText("");
paramKeyControlGroup.setValidationState(ValidationState.NONE);
//Check the Key is valid
final NameValidator validator = NameValidator.parameterNameValidator();
if (!validator.isValid(key.getText())) {
paramKeyControlGroup.setValidationState(ValidationState.ERROR);
paramKeyInline.setText(validator.getValidationError());
return null;
}
//Check the Key is unique
Map<String, String> properties = configContext.getComponentProperties();
for (String parameterKey : properties.keySet()) {
if (key.getText().equals(parameterKey)) {
paramKeyControlGroup.setValidationState(ValidationState.ERROR);
paramKeyInline.setText(CommonConstants.INSTANCE.DuplicateParameterName());
return null;
}
}
configContext.setComponentProperty(key.getText(),
value.getText());
return generateScreenSettingsCategory();
}
private PropertyEditorCategory generateScreenSettingsCategory() {
//Override getFields() so we can remove Parameter from ScreenEditor when collection is modified by PropertiesWidget
PropertyEditorCategory category = new PropertyEditorCategory(CommonConstants.INSTANCE.ScreenConfiguration()) {
@Override
public List<PropertyEditorFieldInfo> getFields() {
return new ArrayList<PropertyEditorFieldInfo>(super.getFields()) {
@Override
public boolean remove(Object o) {
if (o instanceof PropertyEditorFieldInfo) {
final PropertyEditorFieldInfo info = (PropertyEditorFieldInfo) o;
configContext.removeComponentProperty(info.getLabel());
}
return super.remove(o);
}
};
}
};
// Add the screen selector property
final Map<String, String> parameters = configContext.getComponentProperties();
String selectedScreenId = parameters.get(PLACE_NAME_PARAMETER);
category.withField(new PropertyEditorFieldInfo(CommonConstants.INSTANCE.PlaceName(),
selectedScreenId == null ? "" : selectedScreenId,
PropertyEditorType.COMBO)
.withComboValues(availableWorkbenchScreensIds)
.withKey(configContext.hashCode() + PLACE_NAME_PARAMETER));
// Add the rest of the screen's properties
for (final String key : parameters.keySet()) {
if (!PLACE_NAME_PARAMETER.equals(key)) {
category.withField(new PropertyEditorFieldInfo(key,
parameters.get(key),
PropertyEditorType.TEXT)
.withKey(configContext.hashCode() + key)
.withRemovalSupported(true));
}
}
// Ensure the screen category is always expanded after loadEmptyLayout
propertyEditor.setLastOpenAccordionGroupTitle(category.getName());
return category;
}
private PropertyEditorEvent generateEvent(PropertyEditorCategory category) {
PropertyEditorEvent event = new PropertyEditorEvent(PROPERTY_EDITOR_KEY,
category);
return event;
}
protected ModalConfigurationContext getConfigContext() {
return this.configContext;
}
interface Binder
extends
UiBinder<Widget, EditScreen> {
}
}