package de.swm.gwt.client.superdev;
import com.google.gwt.dom.client.*;
import com.google.gwt.dom.client.Style.BorderStyle;
import com.google.gwt.dom.client.Style.Position;
import com.google.gwt.dom.client.Style.TextDecoration;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.EventListener;
public abstract class SuperDevModeHelperOnImpl implements SuperDevModeHelper {
@Override
public void showDevMode() {
final Element overlayDiv = Document.get().createDivElement();
final Element dialog = Document.get().createDivElement();
final Element onButton = createButton("Super Dev Mode On");
final Element offButton = createButton("Super Dev Mode Off");
final Element closeButton = createButton("Close Dialog");
overlayDiv.getStyle().setZIndex(1000);
overlayDiv.getStyle().setPosition(Position.ABSOLUTE);
overlayDiv.getStyle().setTop(0, Unit.PX);
overlayDiv.getStyle().setLeft(0, Unit.PX);
overlayDiv.getStyle().setRight(0, Unit.PX);
overlayDiv.getStyle().setBottom(0, Unit.PX);
overlayDiv.getStyle().setOpacity(0.5);
overlayDiv.getStyle().setBackgroundColor("#000");
Document.get().getBody().appendChild(overlayDiv);
DOM.sinkEvents(overlayDiv, Event.ONCLICK);
DOM.setEventListener(overlayDiv, new EventListener() {
@Override
public void onBrowserEvent(Event event) {
switch (event.getTypeInt()) {
case Event.ONCLICK:
cleanUp(overlayDiv, dialog, onButton, offButton, closeButton);
break;
default:
break;
}
}
});
dialog.getStyle().setZIndex(1001);
dialog.getStyle().setPosition(Position.FIXED);
dialog.getStyle().setTop(20, Unit.PT);
dialog.getStyle().setLeft(20, Unit.PT);
dialog.getStyle().setBackgroundColor("white");
dialog.getStyle().setBorderColor("#ccc");
dialog.getStyle().setBorderStyle(BorderStyle.SOLID);
dialog.getStyle().setBorderWidth(4, Unit.PX);
dialog.getStyle().setPadding(1, Unit.EM);
Document.get().getBody().appendChild(dialog);
DOM.sinkEvents(onButton, Event.ONCLICK);
DOM.setEventListener(onButton, new EventListener() {
@Override
public void onBrowserEvent(Event event) {
cleanUp(overlayDiv, dialog, onButton, offButton, closeButton);
devModeOn();
}
});
dialog.appendChild(onButton);
dialog.appendChild(DOM.createElement("br"));
dialog.appendChild(DOM.createElement("br"));
dialog.appendChild(DOM.createElement("br"));
DOM.sinkEvents(offButton, Event.ONCLICK);
DOM.setEventListener(offButton, new EventListener() {
@Override
public void onBrowserEvent(Event event) {
cleanUp(overlayDiv, dialog, onButton, offButton, closeButton);
devModeOff();
}
});
dialog.appendChild(offButton);
dialog.appendChild(DOM.createElement("br"));
dialog.appendChild(DOM.createElement("br"));
dialog.appendChild(DOM.createElement("br"));
DOM.sinkEvents(closeButton, Event.ONCLICK);
DOM.setEventListener(closeButton, new EventListener() {
@Override
public void onBrowserEvent(Event event) {
cleanUp(overlayDiv, dialog, onButton, offButton, closeButton);
}
});
dialog.appendChild(closeButton);
}
protected native void devModeOff() /*-{
var toRemove = []
for(var i = 0; i<$wnd.sessionStorage.length; i++) {
var key = $wnd.sessionStorage.key(i);
if (key.indexOf('__gwtDevModeHook:') == 0) {
toRemove.push(key);
}
}
for (var j = 0; j<toRemove.length; j++) {
$wnd.sessionStorage.removeItem(toRemove[j]);
}
$wnd.location.reload();
}-*/;
protected void devModeOn() {
String serverUrl = getServerUrl();
if (!serverUrl.endsWith("/")) {
serverUrl += "/";
}
setBookMarklet(serverUrl);
Element head = getHead();
ScriptElement scriptElement = Document.get().createScriptElement();
scriptElement.setSrc(serverUrl + "dev_mode_on.js");
head.appendChild(scriptElement);
}
protected void cleanUp(Element overlayDiv, Element dialog, Element onButton, Element offButton, Element closeButton) {
DOM.setEventListener(offButton, null);
DOM.setEventListener(onButton, null);
DOM.setEventListener(overlayDiv, null);
overlayDiv.removeFromParent();
dialog.removeFromParent();
}
protected Element createButton(String text){
AnchorElement buttonElement = Document.get().createAnchorElement();
buttonElement.getStyle().setFontSize(12, Unit.PT);
buttonElement.getStyle().setColor("#000");
buttonElement.getStyle().setTextDecoration(TextDecoration.NONE);
buttonElement.getStyle().setBackgroundColor("#ddd");
buttonElement.getStyle().setMarginLeft(1, Unit.EM);
buttonElement.getStyle().setBorderColor("black");
buttonElement.getStyle().setBorderWidth(1, Unit.PX);
buttonElement.getStyle().setBorderStyle(BorderStyle.SOLID);
buttonElement.getStyle().setPadding(3, Unit.PT);
buttonElement.setHref("#");
buttonElement.setInnerText(text);
return buttonElement;
}
protected abstract String getServerUrl();
protected Element getHead() {
NodeList<Element> elementsByTagName = Document.get().getElementsByTagName("head");
if (elementsByTagName.getLength() != 1) {
throw new RuntimeException("there is no head element");
}
return elementsByTagName.getItem(0);
}
protected native void setBookMarklet(String serverUrl)/*-{
$wnd.__gwt_bookmarklet_params = {
'server_url' : serverUrl
};
}-*/;
protected native void makeDialog() /*-{
function makeOverlay() {
var overlay = document.createElement('div');
overlay.style.zIndex = 1000;
overlay.style.position = 'absolute';
overlay.style.top = 0;
overlay.style.left = 0;
overlay.style.bottom = 0;
overlay.style.right = 0;
overlay.style.backgroundColor = '#000';
overlay.style.opacity = '0.5';
return overlay;
}
function makeDialog() {
var dialog = document.createElement('div');
dialog.style.zIndex = 1001;
dialog.style.position = 'fixed';
dialog.style.top = '20pt';
dialog.style.left = '20pt';
dialog.style.backgroundColor = 'white';
dialog.style.border = '4px solid #ccc';
dialog.style.padding = '1em';
dialog.style.borderRadius = '5px';
return dialog;
}
function makeOnButton(){
}
function makeOffButton(){
}
function showModuleDialog() {
// Assemble the dialog.
var dialog = makeDialog();
dialog.appendChild(makeOnButton());
dialog.appendChild(makeOffButton());
// Grey out everything under the dialog.
var overlay = makeOverlay();
var body = document.getElementsByTagName('body')[0];
body.appendChild(overlay);
body.appendChild(dialog);
var dismissModuleDialog = function() {
body.removeChild(dialog);
body.removeChild(overlay);
globals.dismissModuleDialog = function() {
}; // uninstall
};
// Clicking outside the module dialog dismisses it.
overlay.onclick = function() {
dismissModuleDialog();
};
}
showModuleDialog();
}-*/;
}