/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java.client.navigation.paraminfo;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import org.eclipse.che.ide.ext.java.shared.dto.model.MethodParameters;
import java.util.List;
/**
* @author Dmitry Shnurenko
*/
@Singleton
public class ParametersHintsViewImpl extends PopupPanel implements ParametersHintsView {
interface ParametersInfoViewImplUiBinder extends UiBinder<Widget, ParametersHintsViewImpl> {
}
private static ParametersInfoViewImplUiBinder UI_BINDER = GWT.create(ParametersInfoViewImplUiBinder.class);
private final Provider<FlowPanel> panelsProvider;
@UiField
FlowPanel parametersPanel;
@Inject
public ParametersHintsViewImpl(Provider<FlowPanel> panelsProvider) {
setWidget(UI_BINDER.createAndBindUi(this));
this.panelsProvider = panelsProvider;
setAutoHideEnabled(true);
}
@Override
public void show(List<MethodParameters> parametersList, int x, int y) {
parametersPanel.clear();
for (MethodParameters parameters : parametersList) {
FlowPanel widget = panelsProvider.get();
String parametersLine = parameters.getParameters();
if (parametersLine.isEmpty()) {
parametersLine = "<no parameters>";
}
String result = parametersLine.replace("<", "<").replace(">", ">");
Element element = widget.getElement();
element.setInnerHTML(result);
element.getStyle().setColor("yellow");
parametersPanel.add(widget);
}
setPopupPosition(x, y);
show();
}
/** The method used to hide popup with parameters when user press 'Escape' button. */
@Override
protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
super.onPreviewNativeEvent(event);
switch (event.getTypeInt()) {
case Event.ONKEYDOWN:
if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ESCAPE) {
hide();
}
break;
}
}
}