diff options
Diffstat (limited to 'pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites')
| -rw-r--r-- | pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java | 19 | ||||
| -rw-r--r-- | pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java | 13 |
2 files changed, 26 insertions, 6 deletions
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java index 09b310fe..40199301 100644 --- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java +++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java @@ -176,16 +176,27 @@ public class PositioningComposite extends StateComposite { PositioningComposite.this.frame.add(PositioningComposite.this.viewer, BorderLayout.CENTER); } }); - } else + } else { EventQueue.invokeLater(new Runnable() { @Override public void run() { PositioningComposite.this.viewer.setDocument(document); } }); - this.numPages = document.getNumPages(); - this.scrollbar.setValues(1, 1, this.numPages + 1, 1, 1, 1); - showPage(this.numPages); + } + + if (document != null) + { + this.numPages = document.getNumPages(); + PositioningComposite.this.scrollbar.setValues(1, 1, this.numPages + 1, 1, 1, 1); + showPage(this.numPages); + } + } + + @Override + public void dispose() { + this.viewer.setDocument(null); + super.dispose(); } /** diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java index 34dd6c5e..1911ac67 100644 --- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java +++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java @@ -129,8 +129,17 @@ public class SignaturePanel extends JPanel { public void setDocument(PDFFile pdf) {
this.pdf = pdf;
this.sigPagePos = null;
- this.numPages = pdf.getNumPages();
- showPage(this.numPages);
+ if (pdf != null)
+ {
+ this.numPages = pdf.getNumPages();
+ showPage(this.numPages);
+ }
+ else
+ {
+ this.page = 0;
+ this.numPages = 0;
+ showPage(null);
+ }
}
/**
|