Added #1845 Show warning on opening file in Read only mode (binary search, unknown extensions, etc.)

Added #1845 Show error message on saving in Read only mode, "Save As" must be used

src/com/jpexs/decompiler/flash/gui/Main.java

@@ -839,6 +839,14 @@ public class Main {
 
         Stopwatch sw = Stopwatch.startNew();
         if (bundle != null) {
+            if (bundle.isReadOnly()) {
+                View.execInEventDispatchLater(new Runnable() {
+                    @Override
+                    public void run() {
+                        ViewMessages.showMessageDialog(getMainFrame().getWindow(), AppStrings.translate("warning.readonly").replace("%file%", sourceInfo.getFileTitleOrName()), AppStrings.translate("message.warning"), JOptionPane.WARNING_MESSAGE, Configuration.warningOpeningReadOnly);
+                    }
+                });
+            }
             result.bundle = bundle;
             result.name = new File(sourceInfo.getFileTitleOrName()).getName();
             for (Entry<String, SeekableInputStream> streamEntry : bundle.getAll().entrySet()) {

src/com/jpexs/decompiler/flash/gui/MainFrameMenu.java

@@ -140,6 +140,8 @@ public abstract class MainFrameMenu implements MenuBuilder {
                     } catch (IOException ex) {
                         Logger.getLogger(MainFrameMenu.class.getName()).log(Level.SEVERE, "Cannot save SWF", ex);
                     }
+                } else {
+                    ViewMessages.showMessageDialog(mainFrame.getWindow(), translate("error.readonly.cannotSave"), translate("error"), JOptionPane.ERROR_MESSAGE);
                 }
                 Main.stopSaving(savedFile);
             } else if (swf.binaryData != null) {
@@ -184,8 +186,10 @@ public abstract class MainFrameMenu implements MenuBuilder {
 
         if (swf != null) {
             if (saveAs(swf, SaveFileMode.SAVEAS)) {
-                if (swf.swfList != null) { //binarydata won't clear modified on saveas
-                    swf.clearModified();
+                if (swf.swfList != null) { //binarydata won't clear modified on saveas                    
+                    if (!isSwfReadOnly(swf)) {
+                        swf.clearModified();
+                    }
                 }
             }
 
@@ -195,6 +199,10 @@ public abstract class MainFrameMenu implements MenuBuilder {
         return false;
     }
 
+    private boolean isSwfReadOnly(SWF swf) {
+        return swf.swfList != null && swf.swfList.bundle != null && swf.swfList.bundle.isReadOnly();
+    }
+    
     private boolean saveAs(SWF swf, SaveFileMode mode) {
         View.checkAccess();
 

src/com/jpexs/decompiler/flash/gui/locales/AdvancedSettingsDialog.properties

@@ -564,3 +564,6 @@ config.description.lastView = Last displayed view mode
 
 config.name.swfSpecificCustomConfigs = SWF specific custom configurations
 config.description.swfSpecificCustomConfigs = Contains the SWF specific configurations in custom format
+
+config.name.warningOpeningReadOnly = Warn on opening readonly SWF
+config.description.warningOpeningReadOnly = Show warning when opening SWF from readonly source

src/com/jpexs/decompiler/flash/gui/locales/MainFrame.properties

@@ -875,4 +875,14 @@ message.input.addFrames.howmany = How many frames to add
 
 contextmenu.addFramesBefore = Add frames before
 contextmenu.addFramesAfter = Add frames after
-contextmenu.addFrames = Add frames
+contextmenu.addFrames = Add frames
+
+error.readonly.cannotSave = File will NOT be saved. This SWF file source does not allow to save changes.\r\n\
+This is usually caused by loading binary data file or file with unknown extension in binary mode.\r\n\
+Please use the "Save As" command to export particular SWF file.
+
+warning.readonly = The file "%file%" is loaded in READONLY mode. \r\n\
+Changes you make won't be saved unless you use the "Save as" button.\r\n\
+This is usually caused by opening file in binary search mode,\r\n\
+the file has probably unknown extension and then saving cannot be done because\r\n\
+the file format is unknown.

src/com/jpexs/decompiler/flash/gui/locales/MainFrame_cs.properties

@@ -851,4 +851,15 @@ message.input.addFrames.howmany = Kolik sn\u00edmk\u016f p\u0159idat
 
 contextmenu.addFramesBefore = P\u0159idat sn\u00edmky p\u0159ed
 contextmenu.addFramesAfter = P\u0159idat sn\u00edmky po
-contextmenu.addFrames = P\u0159idat sn\u00edmky
+contextmenu.addFrames = P\u0159idat sn\u00edmky
+
+
+error.readonly.cannotSave = Soubor NEBUDE ulo\u017een. Zdroj tohoto SWF souboru nedovoluje ukl\u00e1dat zm\u011bny.\r\n\
+Toto je obvykle zp\u016fsobeno na\u010dten\u00edm bin\u00e1rn\u00edho datov\u00e9ho souboru nebo souboru s nezn\u00e1mou p\u0159\u00edponou v bin\u00e1rn\u00edm m\u00f3du.\r\n\
+Pros\u00edm pou\u017eijte p\u0159\u00edkaz "Ulo\u017eit jako" pro export jednotliv\u00fdch SWF soubor\u016f.
+
+warning.readonly = Soubor "%file%" je na\u010dten\u00fd v re\u017eimu JEN KE \u010cTEN\u00cd. \r\n\
+Zm\u011bny kter\u00e9 provedete nebudou ulo\u017eeny dokud nepou\u017eijete tla\u010d\u00edtko "Ulo\u017eit jako".\r\n\
+Toto je obvykle zp\u016fsobeno otev\u00edr\u00e1n\u00edm souboru v re\u017eimu bin\u00e1rn\u00edho vyhled\u00e1v\u00e1n\u00ed,\r\n\
+soubor m\u00e1 pravd\u011bpodobn\u011b nezn\u00e1mou p\u0159\u00edponu a tak ulo\u017een\u00ed nen\u00ed mo\u017en\u00e9 proto\u017ee\r\n\
+form\u00e1t souboru nen\u00ed zn\u00e1m.