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Modified viewFile to accept a given file filter - this allows context

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menus to change to a non-default file view. (For example, show a
binary file as text.) Additionally added a couple of show___Dialog
methods. Will need to incorporate these further for code cleanup.
This commit is contained in:
Robert Greene 2004-06-06 02:12:39 +00:00
parent 60647d3f09
commit a31c317740
1 changed files with 47 additions and 12 deletions
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59
src/com/webcodepro/applecommander/ui/swt/DiskExplorerTab.java
View File

@ -362,7 +362,7 @@ public class DiskExplorerTab {
item.setImage(imageManager.get(ImageManager.ICON_VIEW_FILE));
item.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
viewFile();
viewFile(null);
}
});
@ -417,7 +417,7 @@ public class DiskExplorerTab {
item.setText("Text");
item.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
viewFile(); // FIXME
viewFile(TextFileFilter.class);
}
});
@ -425,7 +425,7 @@ public class DiskExplorerTab {
item.setText("Graphics");
item.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
viewFile(); // FIXME
viewFile(GraphicsFileFilter.class);
}
});
@ -781,7 +781,7 @@ public class DiskExplorerTab {
* Double-click handler.
*/
public void widgetDefaultSelected(SelectionEvent event) {
viewFile();
viewFile(null);
}
});
TableColumn column = null;
@ -1247,7 +1247,7 @@ public class DiskExplorerTab {
viewFileItem.addSelectionListener(new SelectionAdapter () {
public void widgetSelected(SelectionEvent event) {
if (event.detail != SWT.ARROW) {
viewFile();
viewFile(null);
}
}
});
@ -1458,13 +1458,11 @@ public class DiskExplorerTab {
/**
* Open up the view file window for the currently selected file.
*/
protected void viewFile() {
protected void viewFile(Class fileFilterClass) {
FileEntry fileEntry = getSelectedFileEntry();
if (fileEntry.isDeleted()) {
MessageBox box = new MessageBox(shell, SWT.ICON_ERROR | SWT.OK);
box.setText("Unable to view a deleted file!");
box.setMessage("Sorry, you cannot view a deleted file.");
box.open();
showErrorDialogBox("Unable to view a deleted file!",
"Sorry, you cannot view a deleted file.", null);
} else if (fileEntry.isDirectory()) {
TreeItem item = findDirectoryItem(directoryTree.getSelection()[0].getItems(), fileEntry.getFilename(), 1, 0);
if (item != null) {
@ -1473,10 +1471,47 @@ public class DiskExplorerTab {
changeCurrentFormat(currentFormat); // minor hack
}
} else { // Assuming a normal file!
FileViewerWindow window = new FileViewerWindow(shell, fileEntry, imageManager);
FileViewerWindow window = null;
FileFilter fileFilter = null;
try {
fileFilter = (FileFilter) fileFilterClass.newInstance();
} catch (NullPointerException ex) {
// This is expected
} catch (InstantiationException e) {
showSystemErrorDialogBox(e);
} catch (IllegalAccessException e) {
showSystemErrorDialogBox(e);
}
if (fileFilter != null) {
window = new FileViewerWindow(shell, fileEntry, imageManager, fileFilter);
} else {
window = new FileViewerWindow(shell, fileEntry, imageManager);
}
window.open();
}
}
/**
* Display an error dialog box with the OK button.
* Note that the Throwable message may be embedded in the displayed message.
* TODO: Should this be a shared method somewhere?
*/
protected void showErrorDialogBox(String title, String message, Throwable throwable) {
MessageBox box = new MessageBox(shell, SWT.ICON_ERROR | SWT.OK);
box.setText(title);
if (throwable != null) {
message.replaceAll("%MESSAGE%", throwable.getMessage());
}
box.setMessage(message);
box.open();
}
/**
* Display a system-level error dialog box.
*/
protected void showSystemErrorDialogBox(Throwable throwable) {
showErrorDialogBox("A system error occurred!",
"A system error occurred. The message given was '%MESSAGE%'.",
throwable);
}
/**
* Locate a named item in the directory tree.
*/
@ -1521,7 +1556,7 @@ public class DiskExplorerTab {
exportFileWizard();
break;
case CTRL_V: // View file
viewFile();
viewFile(null);
break;
}
}