show close confirmation

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

@@ -657,6 +657,21 @@ public final class MainPanel extends JPanel implements ActionListener, TreeSelec
     }
 
     public void closeAll() {
+        boolean modified = false;
+        for (SWFList swfList: swfs) {
+            for (SWF swf : swfList) {
+                if (swf.isModified()) {
+                    modified = true;
+                }
+            }
+        }
+        
+        if (modified) {
+            if (View.showConfirmDialog(this, translate("message.confirm.closeAll"), translate("message.warning"), JOptionPane.OK_CANCEL_OPTION, Configuration.showCloseConfirmation, JOptionPane.OK_OPTION) == JOptionPane.CANCEL_OPTION) {
+                return;
+            }
+        }
+        
         swfs.clear();
         oldItem = null;
         previewPanel.clear();
@@ -672,6 +687,19 @@ public final class MainPanel extends JPanel implements ActionListener, TreeSelec
     }
 
     public void close(SWFList swfList) {
+        boolean modified = false;
+        for (SWF swf : swfList) {
+            if (swf.isModified()) {
+                modified = true;
+            }
+        }
+        
+        if (modified) {
+            if (View.showConfirmDialog(this, translate("message.confirm.close").replace("{swfName}",swfList.name), translate("message.warning"), JOptionPane.OK_CANCEL_OPTION, Configuration.showCloseConfirmation, JOptionPane.CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
+                return;
+            }
+        }
+
         swfs.remove(swfList);
         if (abcPanel != null) {
             for (SWF swf : swfList) {

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

@@ -305,3 +305,6 @@ config.group.description.import = Configuration of imports
 
 config.name.textImportResizeTextBoundsMode = Text bounds resize mode
 config.description.textImportResizeTextBoundsMode = Text bounds resize mode after text editing.
+
+config.name.showCloseConfirmation = Show again SWF close confirmation
+config.description.showCloseConfirmation = Show again SWF close confirmation for modified files. 

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

@@ -305,3 +305,6 @@ config.group.description.import = Import\u00e1l\u00e1s be\u00e1ll\u00edt\u00e1sa
 
 config.name.textImportResizeTextBoundsMode = Sz\u00f6veg hat\u00e1r \u00e1tm\u00e9retez\u00e9se
 config.description.textImportResizeTextBoundsMode = Sz\u00f6veg hat\u00e1r \u00e1tm\u00e9retez\u00e9se sz\u00f6veg m\u00f3dos\u00edt\u00e1sa ut\u00e1n.
+
+config.name.showCloseConfirmation = SWF bez\u00e1r\u00e1si meger\u0151s\u00edt\u00e9s \u00fajb\u00f3li mutat\u00e1sa
+config.description.showCloseConfirmation = SWF bez\u00e1r\u00e1si meger\u0151s\u00edt\u00e9s \u00fajb\u00f3li mutat\u00e1sa m\u00f3dosult f\u00e1jlok eset\u00e9n.

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

@@ -545,3 +545,6 @@ fit = fit
 button.setAdvanceValues = Set advance values
 
 menu.tools.replace = Text Replace
+
+message.confirm.close = There are unsaved changes. Do you really want to close {swfName}?
+message.confirm.closeAll = There are unsaved changes. Do you really want to close all SWFs?

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

@@ -545,3 +545,6 @@ fit = kit\u00f6lt
 button.setAdvanceValues = Halad\u00e1si \u00e9rt\u00e9kek be\u00e1ll\u00edt\u00e1sa
 
 menu.tools.replace = Sz\u00f6veg csere
+
+message.confirm.close = Mentetlen v\u00e1ltoz\u00e1sok vannak. Szeretm\u00e9 m\u00e9gis bez\u00e9rni a k\u00f6vetkez\u0151t: {swfName}?
+message.confirm.closeAll = Mentetlen v\u00e1ltoz\u00e1sok vannak. Szeretn\u00e9 bez\u00e1rni az \u00f6sszes SWF-t ?