// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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 com.google.collide.client.code.debugging;
import com.google.collide.client.util.CssUtils;
import com.google.collide.client.util.Elements;
import com.google.collide.client.util.dom.DomUtils;
import com.google.collide.mvp.CompositeView;
import com.google.collide.mvp.UiComponent;
import com.google.common.annotations.VisibleForTesting;
import com.google.gwt.resources.client.ClientBundle;
import com.google.gwt.resources.client.CssResource;
import elemental.events.Event;
import elemental.events.EventListener;
import elemental.html.Element;
/**
* Debugging sidebar call stack pane.
*
*/
public class DebuggingSidebarCallStackPane extends UiComponent<DebuggingSidebarCallStackPane.View> {
public interface Css extends CssResource {
String root();
String callFrame();
String callFrameTitle();
String callFrameSubTitle();
String callFrameSelected();
}
interface Resources extends ClientBundle {
@Source("DebuggingSidebarCallStackPane.css")
Css workspaceEditorDebuggingSidebarCallStackPaneCss();
}
/**
* Listener of this pane's events.
*/
interface Listener {
void onCallFrameSelect(int depth);
}
/**
* The view for the sidebar call stack pane.
*/
static class View extends CompositeView<ViewEvents> {
private final Css css;
private final EventListener clickListener = new EventListener() {
@Override
public void handleEvent(Event evt) {
Element callFrame = CssUtils.getAncestorOrSelfWithClassName((Element) evt.getTarget(),
css.callFrame());
if (callFrame != null) {
onCallFrameClick(callFrame);
}
}
};
View(Resources resources) {
css = resources.workspaceEditorDebuggingSidebarCallStackPaneCss();
Element rootElement = Elements.createDivElement(css.root());
rootElement.addEventListener(Event.CLICK, clickListener, false);
setElement(rootElement);
}
private void addCallFrame(String title, String subtitle) {
boolean addingFirstElement = !getElement().hasChildNodes();
Element callFrame = Elements.createDivElement(css.callFrame());
DomUtils.appendDivWithTextContent(callFrame, css.callFrameSubTitle(), subtitle);
DomUtils.appendDivWithTextContent(callFrame, css.callFrameTitle(), title);
getElement().appendChild(callFrame);
if (addingFirstElement) {
callFrame.addClassName(css.callFrameSelected());
}
}
private void clearCallStack() {
getElement().setInnerHTML("");
}
private void onCallFrameClick(Element callFrame) {
Element selected = DomUtils.getFirstElementByClassName(getElement(), css.callFrameSelected());
if (selected != null) {
selected.removeClassName(css.callFrameSelected());
}
callFrame.addClassName(css.callFrameSelected());
int index = DomUtils.getSiblingIndexWithClassName(callFrame, css.callFrame());
getDelegate().onCallFrameSelect(index);
}
}
/**
* The view events.
*/
private interface ViewEvents {
void onCallFrameSelect(int depth);
}
static DebuggingSidebarCallStackPane create(View view) {
return new DebuggingSidebarCallStackPane(view);
}
private Listener delegateListener;
@VisibleForTesting
DebuggingSidebarCallStackPane(View view) {
super(view);
view.setDelegate(new ViewEvents() {
@Override
public void onCallFrameSelect(int depth) {
if (delegateListener != null) {
delegateListener.onCallFrameSelect(depth);
}
}
});
}
void setListener(Listener listener) {
delegateListener = listener;
}
void addCallFrame(String title, String subtitle) {
getView().addCallFrame(title, subtitle);
}
void clearCallStack() {
getView().clearCallStack();
}
}