/*
* Copyright 2016 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.dashbuilder.displayer.client.widgets;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import com.google.gwt.dom.client.AnchorElement;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.LIElement;
import com.google.gwt.dom.client.Style;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.IsWidget;
import org.dashbuilder.displayer.client.resources.i18n.DisplayerHtmlConstants;
import org.jboss.errai.common.client.dom.Anchor;
import org.jboss.errai.common.client.dom.Node;
import org.jboss.errai.common.client.dom.NodeList;
import org.jboss.errai.common.client.dom.ListItem;
import org.jboss.errai.common.client.dom.UnorderedList;
import org.jboss.errai.ui.shared.api.annotations.DataField;
import org.jboss.errai.ui.shared.api.annotations.EventHandler;
import org.jboss.errai.ui.shared.api.annotations.Templated;
@Dependent
@Templated
public class DisplayerHtmlEditorView extends Composite
implements DisplayerHtmlEditor.View {
@Inject
@DataField
FlowPanel contentPanel;
@Inject
@DataField
UnorderedList tabList;
@Inject
@DataField
ListItem previewItem;
@Inject
@DataField
Anchor previewAnchor;
LIElement selectedItem;
DisplayerHtmlEditor presenter;
@Override
public void init(DisplayerHtmlEditor presenter) {
this.presenter = presenter;
}
@Override
public void showDisplayer(IsWidget displayer) {
contentPanel.clear();
contentPanel.add(displayer);
previewItem.setClassName("active");
previewAnchor.setTextContent(DisplayerHtmlConstants.INSTANCE.displayer_html_preview_link());
}
@Override
public void clearSourceCodeItems() {
removeAllChildren(tabList);
tabList.appendChild(previewItem);
}
@Override
public void editSourceCodeItem(String name, IsWidget editor) {
contentPanel.clear();
contentPanel.add(editor);
}
@Override
public void addSourceCodeItem(String name) {
AnchorElement anchor = Document.get().createAnchorElement();
String displayName = DisplayerHtmlConstants.INSTANCE.getString("displayer_source_code_" + name);
anchor.setInnerText(displayName);
LIElement li = Document.get().createLIElement();
li.getStyle().setCursor(Style.Cursor.POINTER);
li.appendChild(anchor);
tabList.appendChild((Node) li);
Event.sinkEvents(anchor, Event.ONCLICK);
Event.setEventListener(anchor, event -> {
if(Event.ONCLICK == event.getTypeInt()) {
presenter.onSourceCodeItemSelected(name);
if (selectedItem != null) {
selectedItem.setClassName("");
selectedItem.getStyle().setCursor(Style.Cursor.POINTER);
}
selectedItem = li;
selectedItem.setClassName("active");
selectedItem.getStyle().setCursor(Style.Cursor.DEFAULT);
previewItem.setClassName("");
}
});
}
private void removeAllChildren(org.jboss.errai.common.client.dom.Element element) {
NodeList nodeList = element.getChildNodes();
int lenght = nodeList.getLength();
for (int i=0; i<lenght; i++) {
element.removeChild(nodeList.item(0));
}
}
@EventHandler("previewAnchor")
private void onPreviewClicked(ClickEvent event) {
if (!presenter.showDisplayer()) {
event.stopPropagation();
} else {
previewItem.setClassName("active");
if (selectedItem != null) {
selectedItem.setClassName("");
selectedItem.getStyle().setCursor(Style.Cursor.POINTER);
}
}
}
}