Enable first implementation of value change in varialbles view.
[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpeclipse / ui / editor / BrowserUtil.java
1 package net.sourceforge.phpeclipse.ui.editor;
2
3 import java.net.MalformedURLException;
4 import java.net.URL;
5
6 import net.sourceforge.phpeclipse.ui.IPreferenceConstants;
7 import net.sourceforge.phpeclipse.ui.WebUI;
8 import net.sourceforge.phpeclipse.ui.internal.WebUIMessages;
9 import net.sourceforge.phpeclipse.ui.overlaypages.ProjectPrefUtil;
10 import net.sourceforge.phpeclipse.webbrowser.views.BrowserView;
11 import net.sourceforge.phpeclipse.webbrowser.views.ShowInContextBrowser;
12
13 import org.eclipse.core.resources.IFile;
14 import org.eclipse.core.runtime.IStatus;
15 import org.eclipse.core.runtime.Status;
16 import org.eclipse.jface.dialogs.ErrorDialog;
17 import org.eclipse.swt.widgets.Shell;
18 import org.eclipse.ui.IViewPart;
19 import org.eclipse.ui.IViewReference;
20 import org.eclipse.ui.IWorkbenchPage;
21 import org.eclipse.ui.IWorkbenchPart;
22 import org.eclipse.ui.PartInitException;
23 import org.eclipse.ui.PlatformUI;
24 import org.eclipse.ui.browser.IWebBrowser;
25 import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
26 import org.eclipse.ui.internal.Perspective;
27 import org.eclipse.ui.internal.WorkbenchPage;
28 import org.eclipse.ui.part.IShowInTarget;
29 import org.eclipse.ui.part.ShowInContext;
30
31 public class BrowserUtil {
32
33         public static ShowInContextBrowser getShowInContext(IFile previewFile,
34                         boolean forceDBGPreview, String postFix) {
35                 String extension = previewFile.getFileExtension().toLowerCase();
36                 // boolean showHTMLFilesLocal = false;
37                 // boolean showXMLFilesLocal = false;
38                 boolean isHTMLFileName = false;
39                 boolean isXMLFileName = false;
40                 String localhostURL;
41                 if (!forceDBGPreview) {
42                         // showHTMLFilesLocal =
43                         // ProjectPrefUtil.getPreviewBooleanValue(previewFile,
44                         // IPreferenceConstants.PHP_SHOW_HTML_FILES_LOCAL);
45                         // showXMLFilesLocal =
46                         // ProjectPrefUtil.getPreviewBooleanValue(previewFile,
47                         // IPreferenceConstants.PHP_SHOW_XML_FILES_LOCAL);
48                         isHTMLFileName = "html".equals(extension)
49                                         || "htm".equals(extension) || "xhtml".equals(extension);
50                         isXMLFileName = "xml".equals(extension) || "xsd".equals(extension)
51                                         || "dtd".equals(extension);
52                 }
53                 // if (showHTMLFilesLocal && isHTMLFileName) {
54                 // localhostURL = previewFile.getLocation().toString();
55                 // } else if (showXMLFilesLocal && isXMLFileName) {
56                 // localhostURL = previewFile.getLocation().toString();
57                 // } else
58                 if ((localhostURL = ShowExternalPreviewAction.getLocalhostURL(null,
59                                 previewFile)) == null) {
60                         return new ShowInContextBrowser(previewFile, null, null);
61                 }
62                 localhostURL += postFix;
63                 return new ShowInContextBrowser(previewFile, null, localhostURL);
64         }
65
66         /**
67          * Returns the <code>IShowInTarget</code> for the given part, or
68          * <code>null</code> if it does not provide one.
69          * 
70          * @param targetPart
71          *            the target part
72          * @return the <code>IShowInTarget</code> or <code>null</code>
73          */
74         private static IShowInTarget getShowInTarget(IWorkbenchPart targetPart) {
75                 if (targetPart instanceof IShowInTarget) {
76                         return (IShowInTarget) targetPart;
77                 }
78                 Object o = targetPart.getAdapter(IShowInTarget.class);
79                 if (o instanceof IShowInTarget) {
80                         return (IShowInTarget) o;
81                 }
82                 return null;
83         }
84
85         public static void showPreview(IFile previewFile, boolean forceDBGPreview,
86                         String postFix) {
87                 if (previewFile == null) {
88                         // should never happen
89                         return;
90                 }
91                 IWorkbenchPage page = WebUI.getActivePage();
92                 if (page != null && page.isEditorAreaVisible()) {
93                         // String extension = previewFile.getFileExtension().toLowerCase();
94                         boolean autoPreview = forceDBGPreview;
95                         // boolean showHTMLFilesLocal = false;
96                         // boolean showXMLFilesLocal = false;
97                         // boolean isHTMLFileName = false;
98                         // boolean isXMLFileName = false;
99                         if (!forceDBGPreview) {
100                                 autoPreview = ProjectPrefUtil.getPreviewBooleanValue(
101                                                 previewFile,
102                                                 IPreferenceConstants.PHP_AUTO_PREVIEW_DEFAULT);
103
104                                 // showHTMLFilesLocal =
105                                 // ProjectPrefUtil.getPreviewBooleanValue(previewFile,
106                                 // IPreferenceConstants.PHP_SHOW_HTML_FILES_LOCAL);
107                                 // showXMLFilesLocal =
108                                 // ProjectPrefUtil.getPreviewBooleanValue(previewFile,
109                                 // IPreferenceConstants.PHP_SHOW_XML_FILES_LOCAL);
110                                 // isHTMLFileName = "html".equals(extension) ||
111                                 // "htm".equals(extension)
112                                 // || "xhtml".equals(extension);
113                                 // isXMLFileName = "xml".equals(extension) ||
114                                 // "xsd".equals(extension) ||
115                                 // "dtd".equals(extension);
116                         }
117                         if (autoPreview) {
118                                 // String localhostURL;
119                                 // if (showHTMLFilesLocal && isHTMLFileName) {
120                                 // localhostURL = previewFile.getLocation().toString();
121                                 // } else if (showXMLFilesLocal && isXMLFileName) {
122                                 // localhostURL = previewFile.getLocation().toString();
123                                 // } else if ((localhostURL =
124                                 // ShowExternalPreviewAction.getLocalhostURL(null, previewFile))
125                                 // ==
126                                 // null) {
127                                 // return;
128                                 // }
129                                 // localhostURL += postFix;
130                                 ShowInContext context = getShowInContext(previewFile,
131                                                 forceDBGPreview, postFix);
132                                 IWorkbenchPart sourcePart = page.getActivePart();
133                                 if (sourcePart == null && context != null) {
134                                         return;
135                                 }
136
137                                 // try {
138                                 Perspective persp = ((WorkbenchPage) page)
139                                                 .getActivePerspective();
140                                 if (persp != null) {
141
142                                         // If this view is already visible just return.
143                                         IViewReference ref = persp.findView(BrowserView.ID_BROWSER,
144                                                         null);
145                                         IViewPart view = null;
146                                         if (ref != null) {
147                                                 view = ref.getView(true);
148                                         }
149                                         if (view == null && forceDBGPreview) {
150                                                 try {
151                                                         view = persp.showView(BrowserView.ID_BROWSER, null);
152                                                         persp.bringToTop(persp.findView(
153                                                                         BrowserView.ID_BROWSER, null));
154                                                 } catch (PartInitException e) {
155                                                         WebUI.log(e);
156                                                 }
157                                         }
158                                         if (view != null) {
159                                                 IShowInTarget target = getShowInTarget(view);
160                                                 boolean stickyBrowserURL = ProjectPrefUtil.getPreviewBooleanValue(
161                                                                 previewFile,
162                                                                 IPreferenceConstants.PHP_STICKY_BROWSER_URL_DEFAULT);
163                                                 if (target != null) {
164                                                         if (stickyBrowserURL
165                                                                         && ((BrowserView) target).getUrl() != null
166                                                                         && ((BrowserView) target).getUrl().length() > 0) {
167                                                                 ((BrowserView) target).refresh();
168                                                         } else {
169                                                                 target.show(context);
170                                                         }
171                                                 }
172                                                 ((WorkbenchPage) page)
173                                                                 .performedShowIn(BrowserView.ID_BROWSER);
174                                         }
175                                 }
176
177                                 // IViewPart view = page.showView(BrowserView.ID_BROWSER);
178                                 // IShowInTarget target = getShowInTarget(view);
179                                 // if (target != null && target.show(new
180                                 // ShowInContext(localhostURL,
181                                 // null))) {
182                                 // // success
183                                 // }
184                                 // ((WorkbenchPage)
185                                 // page).performedShowIn(BrowserView.ID_BROWSER); //
186                                 // TODO: move back up
187                                 // } catch (PartInitException e) {
188                                 // WorkbenchPlugin.log(
189                                 // "Error showing view in ShowInAction.run", e.getStatus());
190                                 // //$NON-NLS-1$
191                                 // }
192
193                                 // try {
194                                 // IViewPart part = page.showView(BrowserView.ID_BROWSER, null,
195                                 // IWorkbenchPage.VIEW_VISIBLE);
196                                 // if (part == null) {
197                                 // part = page.showView(BrowserView.ID_BROWSER);
198                                 // } else {
199                                 // page.bringToTop(part);
200                                 // }
201                                 // ((BrowserView) part).setUrl(localhostURL);
202                                 //
203                                 // } catch (Exception e) {
204                                 // // PHPeclipsePlugin.log(e);
205                                 // }
206                         }
207                 }
208         }
209
210         private static final String BROWSER_ID = "net.sourceforge.phpeclipse.browser";
211
212         /**
213          * convenient method to show browser as Editor
214          * 
215          */
216         public static void showBrowserAsEditor(IFile file, String queryString) {
217                 showBrowser(IWorkbenchBrowserSupport.AS_EDITOR, file, queryString);
218         }
219
220         /**
221          * convenient method to show browser as External Web Browser
222          * 
223          */
224         public static void showBrowserAsExternal(IFile file, String queryString) {
225                 showBrowser(IWorkbenchBrowserSupport.AS_EXTERNAL, file, queryString);
226         }
227
228         /**
229          * convenient method to show browser as View
230          * 
231          */
232         public static void showBrowserAsView(IFile file, String queryString) {
233                 showBrowser(IWorkbenchBrowserSupport.AS_VIEW, file, queryString);
234         }
235
236         /**
237          * Show browser according to General settings
238          * 
239          * See IWorkbenchBrowserSupport and DefaultWorkbenchBrowserSupport.
240          */
241         public static void showBrowser(int style, IFile file, String queryString) {
242                 ShowInContextBrowser context = getShowInContext(file, true, queryString);
243                 String url = context.getLocalhostUrl();
244                 if (url == null) {
245                         String dialogTitle = WebUIMessages
246                                         .getString("BrowserUtil.error.dialog.title");
247                         String message = WebUIMessages
248                                         .getString("BrowserUtil.null.url.message");
249                         String reason = WebUIMessages
250                                         .getString("BrowserUtil.null.url.reason");
251                         IStatus status = new Status(IStatus.ERROR, WebUI.PLUGIN_ID, 0,
252                                         reason, null);
253                         ErrorDialog.openError(new Shell(), dialogTitle, message, status);
254                         return;
255                 }
256                 String id = BROWSER_ID;
257                 switch (style) {
258                 case IWorkbenchBrowserSupport.AS_EXTERNAL:
259                         id += ".x";
260                         break;
261                 case IWorkbenchBrowserSupport.AS_EDITOR:
262                         id += ".e";
263                         break;
264                 case IWorkbenchBrowserSupport.AS_VIEW:
265                         id += ".v";
266                         break;
267                 }
268                 style |= IWorkbenchBrowserSupport.LOCATION_BAR
269                                 | IWorkbenchBrowserSupport.NAVIGATION_BAR
270                                 | IWorkbenchBrowserSupport.STATUS;
271                 try {
272                         IWebBrowser browser = PlatformUI.getWorkbench().getBrowserSupport()
273                                         .createBrowser(style, id, null, url);
274                         browser.openURL(new URL(url));
275
276                 } catch (PartInitException e) {
277                         WebUI.log(e);
278                 } catch (MalformedURLException e) {
279                         WebUI.log(e);
280                 }
281         }
282
283 }