Adding switching of pages

luwrain · Oct 14, 2018 · feaa942 · feaa942
1 parent 667c9cf
commit feaa942
Showing 1 changed file with 38 additions and 5 deletions.
diff --git a/src/main/java/org/luwrain/app/viewer/App.java b/src/main/java/org/luwrain/app/viewer/App.java
@@ -134,16 +134,46 @@ private void load(String file)
  if (event.isSpecial() && !event.isModified())
  switch(event.getSpecial())
  {
+ case PAGE_DOWN:
+ if (pdf == null)
+ return;
+ {
+ final int nextPage = pdf.getCurrentPageNum() + 1;
+ if (nextPage >= pdf.getPageCount())
+ {
+ luwrain.playSound(Sounds.EVENT_NOT_PROCESSED);
+ return;
+ }
+ pdf.showPage(nextPage);
+ luwrain.message("Страница " + (nextPage + 1) + " из " + pdf.getPageCount());//FIXME:
+ }
+ return;
+ case PAGE_UP:
+ if (pdf == null)
+ return;
+ {
+ final int prevPage = pdf.getCurrentPageNum() - 1;
+ if (prevPage < 0)
+ {
+ luwrain.playSound(Sounds.EVENT_NOT_PROCESSED);
+ return;
+ }
+ pdf.showPage(prevPage);
+ luwrain.message("Страница " + (prevPage + 1) + " из " + pdf.getPageCount());//FIXME:
+ }
+ return;
  case ESCAPE:
  if (pdf != null)
  {
  pdf.close();
  pdf = null;
+ closeApp();
  }
- return;
- }
- luwrain.playSound(Sounds.EVENT_NOT_PROCESSED);
- }
+ return;
+ }
+ luwrain.message(event.toString());
+ // luwrain.playSound(Sounds.EVENT_NOT_PROCESSED);
+ }
 
  @Override public void closeApp()
  {
@@ -157,6 +187,9 @@ private void load(String file)
 
  @Override public String getAppName()
  {
- return strings.appName();
+ if (url == null)
+ return strings.appName();
+ final File file = Urls.toFile(url);
+ return file.getName();
  }
 }