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34 package info.magnolia.templating.editor.client;
35
36
37 import info.magnolia.templating.editor.client.dom.Comment;
38 import info.magnolia.templating.editor.client.dom.MgnlElement;
39 import info.magnolia.templating.editor.client.dom.processor.CommentProcessor;
40 import info.magnolia.templating.editor.client.dom.processor.ElementProcessor;
41 import info.magnolia.templating.editor.client.dom.processor.MgnlElementProcessor;
42 import info.magnolia.templating.editor.client.dom.processor.MgnlElementProcessorFactory;
43 import info.magnolia.templating.editor.client.jsni.JavascriptUtils;
44 import info.magnolia.templating.editor.client.model.ModelStorage;
45 import info.magnolia.templating.editor.client.widget.PreviewChannel;
46 import info.magnolia.templating.editor.client.widget.PreviewChannel.Orientation;
47 import info.magnolia.templating.editor.client.widget.dnd.LegacyDragAndDrop;
48
49 import java.util.LinkedList;
50 import java.util.List;
51
52 import com.google.gwt.core.client.EntryPoint;
53 import com.google.gwt.core.client.GWT;
54 import com.google.gwt.dom.client.AnchorElement;
55 import com.google.gwt.dom.client.Document;
56 import com.google.gwt.dom.client.Element;
57 import com.google.gwt.dom.client.FormElement;
58 import com.google.gwt.dom.client.Node;
59 import com.google.gwt.dom.client.NodeList;
60 import com.google.gwt.dom.client.Style.Unit;
61 import com.google.gwt.event.dom.client.ClickEvent;
62 import com.google.gwt.event.dom.client.ClickHandler;
63 import com.google.gwt.event.dom.client.KeyCodes;
64 import com.google.gwt.event.dom.client.KeyDownEvent;
65 import com.google.gwt.event.dom.client.KeyDownHandler;
66 import com.google.gwt.event.dom.client.MouseMoveEvent;
67 import com.google.gwt.event.dom.client.MouseMoveHandler;
68 import com.google.gwt.http.client.Request;
69 import com.google.gwt.http.client.RequestBuilder;
70 import com.google.gwt.http.client.RequestCallback;
71 import com.google.gwt.http.client.RequestException;
72 import com.google.gwt.http.client.Response;
73 import com.google.gwt.http.client.URL;
74 import com.google.gwt.http.client.UrlBuilder;
75 import com.google.gwt.user.client.Window;
76 import com.google.gwt.user.client.Window.ScrollEvent;
77 import com.google.gwt.user.client.Window.ScrollHandler;
78 import com.google.gwt.user.client.ui.HTML;
79 import com.google.gwt.user.client.ui.RootPanel;
80
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99 public class PageEditor extends HTML implements EntryPoint {
100
101 private static final String MGNL_CHANNEL_PARAMETER = "mgnlChannel";
102 private static final String MGNL_PREVIEW_PARAMETER = "mgnlPreview";
103 private static final String MGNL_INTERCEPT_PARAMETER = "mgnlIntercept";
104 private static final String MGNL_VERSION_PARAMETER = "mgnlVersion";
105
106 private static String locale;
107 public final static ModelStorage model = ModelStorage.getInstance();
108 private final LinkedList<MgnlElement> mgnlElements = new LinkedList<MgnlElement>();
109
110
111 public static boolean process = true;
112 private static boolean isPreview = false;
113
114
115 @Override
116 public void onModuleLoad() {
117
118 String mgnlVersion = Window.Location.getParameter(MGNL_VERSION_PARAMETER);
119 if(mgnlVersion != null) {
120 return;
121 }
122
123 String mgnlChannel = Window.Location.getParameter(MGNL_CHANNEL_PARAMETER);
124 boolean isMobile = "smartphone".equals(mgnlChannel) || "tablet".equals(mgnlChannel);
125
126 if(isMobile) {
127 GWT.log("Found " + mgnlChannel + " in request, post processing links...");
128 postProcessLinksOnMobilePreview(Document.get().getDocumentElement(), mgnlChannel);
129 return;
130 }
131
132 JavascriptUtils.setWindowLocation(Window.Location.getPath());
133
134 Window.addWindowScrollHandler(new ScrollHandler() {
135
136 @Override
137 public void onWindowScroll(ScrollEvent event) {
138 String value = event.getScrollLeft() + ":" + event.getScrollTop();
139 JavascriptUtils.setEditorPositionCookie(value);
140 }
141 });
142
143 JavascriptUtils.getCookiePosition();
144
145 locale = JavascriptUtils.detectCurrentLocale();
146
147 long startTime = System.currentTimeMillis();
148 processDocument(Document.get().getDocumentElement(), null);
149 processMgnlElements();
150
151 GWT.log("Time spent to process cms comments: " + (System.currentTimeMillis() - startTime) + "ms");
152
153 JavascriptUtils.getCookieContentId();
154
155 RootPanel.get().addDomHandler(new ClickHandler() {
156 @Override
157 public void onClick(ClickEvent event) {
158
159 model.getFocusModel().onMouseUp((Element) event.getNativeEvent().getEventTarget().cast());
160 event.stopPropagation();
161 }
162 }, ClickEvent.getType());
163
164
165 RootPanel.get().addDomHandler(new KeyDownHandler() {
166 @Override
167 public void onKeyDown(KeyDownEvent event) {
168 if (event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
169
170 if(LegacyDragAndDrop.isMoving()) {
171 LegacyDragAndDrop.moveComponentReset();
172 } else {
173 PageEditor.enablePreview(!isPreview);
174 }
175 event.preventDefault();
176 }
177 }
178 }, KeyDownEvent.getType());
179
180
181
182 RootPanel.get().addDomHandler(new MouseMoveHandler() {
183
184 @Override
185 public void onMouseMove(MouseMoveEvent event) {
186
187 Element moveElement = Document.get().getElementById("mgnlEditorMoveDiv");
188
189 if (moveElement != null) {
190 int x = event.getClientX() + Window.getScrollLeft();
191 int y = event.getClientY() + 15 + Window.getScrollTop();
192 moveElement.getStyle().setTop(y, Unit.PX);
193 moveElement.getStyle().setLeft(x, Unit.PX);
194 }
195 }
196 }, MouseMoveEvent.getType());
197
198 JavascriptUtils.resetEditorCookies();
199
200 GWT.log("Running onPageEditorReady callbacks...");
201 onPageEditorReady();
202 }
203
204 public static void openDialog(String dialog, String workspace, String path) {
205 JavascriptUtils.mgnlOpenDialog(path, "", "", dialog, workspace, "", "", "", locale);
206 }
207
208 public static void deleteComponent(String path) {
209 JavascriptUtils.mgnlDeleteNode(path);
210 }
211
212 public static void addComponent(String workspace, String path, String nodeName, String availableComponents) {
213
214 String collectionName = null;
215
216 if (nodeName == null) {
217 nodeName = "mgnlNew";
218 }
219 if (availableComponents == null) {
220 availableComponents = "";
221 }
222 if (availableComponents.contains(",")) {
223 JavascriptUtils.mgnlOpenDialog(path, collectionName, nodeName, availableComponents, workspace, ".magnolia/dialogs/selectParagraph.html", "", "", locale);
224 } else if (!availableComponents.isEmpty()) {
225 JavascriptUtils.mgnlOpenDialog(path, collectionName, nodeName, availableComponents, workspace, ".magnolia/dialogs/editParagraph.html", "", "", locale);
226 }
227 }
228
229 public static void showTree(String workspace, String path) {
230 JavascriptUtils.showTree(workspace, path);
231
232 }
233
234 public static void createComponent(String workspace, String path, String itemType) {
235 GWT.log("Creating [" + itemType + "] in workspace [" + workspace + "] at path [" + path + "]");
236
237 final StringBuilder url = new StringBuilder();
238 url.append(JavascriptUtils.getContextPath() + ".magnolia/pageeditor/PageEditorServlet");
239 url.append("?action=create");
240 url.append("&workspace=" + workspace);
241 url.append("&path=" + path);
242 url.append("&itemType=" + itemType);
243
244 RequestBuilder req = new RequestBuilder(RequestBuilder.GET, URL.encode(url.toString()));
245 req.setCallback(new RequestCallback() {
246
247 @Override
248 public void onResponseReceived(Request request, Response response) {
249 int status = response.getStatusCode();
250 String responseText = "";
251 boolean reload = false;
252
253 switch (status) {
254 case Response.SC_OK:
255 reload = true;
256 break;
257 case Response.SC_UNAUTHORIZED:
258 responseText = "Is your session expired? Please, try to login again.";
259 break;
260 default:
261 responseText = "See logs for more details.";
262 }
263
264 if (reload) {
265 UrlBuilder urlBuilder = Window.Location.createUrlBuilder();
266
267 urlBuilder.removeParameter("mgnlIntercept");
268 urlBuilder.removeParameter("mgnlPath");
269
270 Window.Location.replace(urlBuilder.buildString());
271 } else {
272 Window.alert("An error occurred on the server: response status code is " + status + "\n" + responseText);
273 }
274 }
275
276 @Override
277 public void onError(Request request, Throwable exception) {
278 Window.alert(exception.getMessage());
279 }
280 });
281 try {
282 req.send();
283 } catch (RequestException e) {
284 Window.alert("An error occurred while trying to send a request to the server: " + e.getMessage());
285 }
286
287 }
288
289 public static void createChannelPreview(final String channelName, final Orientation orientation) {
290 setPreview(true);
291 GWT.log("Creating preview for channel type [" + channelName + "] ");
292
293 final UrlBuilder urlBuilder = Window.Location.createUrlBuilder();
294
295
296 urlBuilder.removeParameter(MGNL_PREVIEW_PARAMETER);
297 urlBuilder.removeParameter(MGNL_INTERCEPT_PARAMETER);
298 urlBuilder.removeParameter(MGNL_CHANNEL_PARAMETER);
299
300 urlBuilder.setParameter(MGNL_PREVIEW_PARAMETER, String.valueOf(isPreview()));
301 urlBuilder.setParameter(MGNL_CHANNEL_PARAMETER, channelName);
302 final PreviewChannel previewChannelWidget = new PreviewChannel(urlBuilder.buildString(), orientation, channelName);
303
304 previewChannelWidget.center();
305 }
306
307 private void processDocument(Node node, MgnlElement mgnlElement) {
308 if(!process) {
309 return;
310 }
311 boolean proceed = true;
312 for (int i = 0; i < node.getChildCount(); i++) {
313 Node childNode = node.getChild(i);
314 if (childNode.getNodeType() == Comment.COMMENT_NODE) {
315 try {
316 mgnlElement = CommentProcessor.process(childNode, mgnlElement);
317 }
318 catch (IllegalArgumentException e) {
319 GWT.log("Not CMSComment element, skipping: " + e.toString());
320 }
321 catch (Exception e) {
322 GWT.log("Caught undefined exception: " + e.toString());
323 consoleLog(e.getMessage());
324 }
325 }
326 else if (childNode.getNodeType() == Node.ELEMENT_NODE && mgnlElement != null) {
327 proceed = ElementProcessor.process(childNode, mgnlElement);
328 }
329 if (proceed) {
330 processDocument(childNode, mgnlElement);
331 }
332 }
333 }
334
335 private void processMgnlElements() {
336 List<MgnlElement> rootElements = new LinkedList<MgnlElement>(model.getRootElements());
337 for (MgnlElement root : rootElements) {
338 LinkedList<MgnlElement> elements = new LinkedList<MgnlElement>();
339 elements.add(root);
340 elements.addAll(root.getDescendants());
341
342 for (MgnlElement mgnlElement : elements) {
343 try {
344 MgnlElementProcessor processor = MgnlElementProcessorFactory.getProcessor(mgnlElement);
345 processor.process();
346 } catch (IllegalArgumentException e) {
347 GWT.log("MgnlFactory could not instantiate class. The element is neither an area nor component.");
348 } catch (IllegalStateException e) {
349 GWT.log(e.getMessage());
350 consoleLog(e.getMessage());
351 } catch (Exception e) {
352 GWT.log("Caught undefined exception: " + e.toString());
353 consoleLog("Caught undefined exception: " + e.toString());
354 }
355 }
356 }
357
358 }
359
360
361 private void postProcessLinksOnMobilePreview(Element root, String channel) {
362 NodeList<Element> anchors = root.getElementsByTagName("a");
363
364 final String mobilePreviewParams = MGNL_CHANNEL_PARAMETER+"="+channel+"&"+ MGNL_PREVIEW_PARAMETER+"=true";
365
366 for (int i = 0; i < anchors.getLength(); i++) {
367 AnchorElement anchor = AnchorElement.as(anchors.getItem(i));
368
369 GWT.log("Starting to process link " + anchor.getHref());
370
371 if(JavascriptUtils.isEmpty(anchor.getHref())) {
372 continue;
373 }
374 String manipulatedHref = anchor.getHref().replaceFirst(Window.Location.getProtocol() + "//" + Window.Location.getHost(), "");
375 String queryString = Window.Location.getQueryString() != null ? Window.Location.getQueryString() : "";
376
377 GWT.log("query string is " + queryString);
378
379 String queryStringRegex = queryString.replaceFirst("\\?", "\\\\?");
380 manipulatedHref = manipulatedHref.replaceFirst(queryStringRegex, "");
381 int indexOfHash = manipulatedHref.indexOf("#");
382
383 if(indexOfHash != -1) {
384 manipulatedHref = manipulatedHref.substring(indexOfHash);
385 } else {
386 if(!queryString.contains(mobilePreviewParams)) {
387 if(queryString.startsWith("?")) {
388 queryString += "&" + mobilePreviewParams;
389 } else {
390 queryString = "?" + mobilePreviewParams;
391 }
392 }
393 manipulatedHref += queryString;
394 }
395 GWT.log("Resulting link is " + manipulatedHref);
396 anchor.setHref(manipulatedHref);
397 }
398 NodeList<Element> forms = root.getElementsByTagName("form");
399
400 for (int i = 0; i < forms.getLength(); i++) {
401 FormElement form = FormElement.as(forms.getItem(i));
402 form.setAction(form.getAction().concat("?"+ mobilePreviewParams));
403 }
404 }
405
406
407 private native void onPageEditorReady()
408
409
410
411
412
413
414 ;
415
416
417
418
419 public static void enablePreview(boolean preview) {
420 setPreview(preview);
421 final UrlBuilder urlBuilder = Window.Location.createUrlBuilder();
422 GWT.log("Current url is [" + urlBuilder.buildString() + "], setting preview to " + isPreview());
423
424
425 urlBuilder.removeParameter(MGNL_PREVIEW_PARAMETER);
426 urlBuilder.removeParameter(MGNL_INTERCEPT_PARAMETER);
427 urlBuilder.removeParameter(MGNL_CHANNEL_PARAMETER);
428
429 urlBuilder.setParameter(MGNL_INTERCEPT_PARAMETER, "PREVIEW");
430 urlBuilder.setParameter(MGNL_PREVIEW_PARAMETER, String.valueOf(isPreview()));
431
432 if(isPreview()) {
433 urlBuilder.setParameter(MGNL_CHANNEL_PARAMETER, "desktop");
434 } else {
435 urlBuilder.setParameter(MGNL_CHANNEL_PARAMETER, "all");
436 }
437
438
439 final String newUrl = URL.decode(urlBuilder.buildString());
440 GWT.log("New url is [" + newUrl + "]");
441
442 Window.Location.replace(newUrl);
443 }
444
445
446
447
448 public static boolean isPreview() {
449 return isPreview;
450 }
451
452 public static void setPreview(boolean preview) {
453 isPreview = preview;
454 }
455
456 native void consoleLog(String message)
457
458
459
460 ;
461 }