thdltools/Jskad
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There's still a small bug in this, but here's the real stuff:

Browse source 
Recently opened files can now be selected from Jskad's file menu.

A Jskad now gives the focus to the DuffPane when that Jskad gets the
focus.
This commit is contained in:
dchandler 2003-07-04 03:29:25 +00:00
parent d863446d25
commit 4410b52c07
1 changed files with 64 additions and 36 deletions
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100
source/org/thdl/tib/input/Jskad.java
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@ -126,19 +126,25 @@ public class Jskad extends JPanel implements DocumentListener {
/** Do not use this JPanel constructor. */
private Jskad(LayoutManager lm, boolean isDB) { super(lm, isDB); }
/** Tells ThdlOptions about the recently opened files. */
// DLC FIXME: this doesn't keep the second-most recently opened item second if you have just three items.
private static void storeRecentlyOpenedFilePreferences() {
int N = ThdlOptions.getIntegerOption("thdl.number.of.recently.opened.files.to.show", 4);
int n = 0;
// We store 2*N files in the preferences in case some are deleted.
for (int k = recentlyOpenedFiles.size(); k > 0 && n < 2*N; k--) {
File f = (File)recentlyOpenedFiles.elementAt(k - 1);
if (f.isFile()) {
ThdlOptions.setUserPreference("thdl.recently.opened.file." + n++,
f.getAbsolutePath());
}
}
}
/** Saves user preferences to disk if possible. */
private void savePreferencesAction() {
try {
int N = ThdlOptions.getIntegerOption("thdl.number.of.recently.opened.files.to.show", 4);
int n = 0;
// We store 2*N files in the preferences in case some are deleted.
for (int k = recentlyOpenedFiles.size(); k > 0 && n < 2*N; k--) {
File f = (File)recentlyOpenedFiles.elementAt(k - 1);
if (f.isFile())
ThdlOptions.setUserPreference("thdl.recently.opened.file." + n++,
f.getAbsolutePath());
}
storeRecentlyOpenedFilePreferences();
if (!ThdlOptions.saveUserPreferences()) {
JOptionPane.showMessageDialog(Jskad.this,
@ -189,21 +195,59 @@ public class Jskad extends JPanel implements DocumentListener {
return null;
}
/** a vector with the most recently opened file at its end. */
private static Vector recentlyOpenedFiles = new Vector();
/** the File menu */
private JMenu fileMenu = null;
/** Updates state information now that we know that fileChosen is
the most recently opened file. */
private void noteMostRecentlyOpenedFile(File fileChosen) {
private static void addMostRecentlyOpenedFile(File fileChosen) {
// the last element is the most recently opened.
int index = recentlyOpenedFiles.indexOf(fileChosen);
if (index > -1)
if (index > -1) {
recentlyOpenedFiles.remove(index);
}
recentlyOpenedFiles.add(fileChosen);
}
/** Updates state information now that we know that fileChosen is
the most recently opened file. */
private static void noteMostRecentlyOpenedFile(File fileChosen) {
addMostRecentlyOpenedFile(fileChosen);
storeRecentlyOpenedFilePreferences();
int i, sz = jskads.size();
for (i = 0; i < sz; i++) {
((Jskad)jskads.elementAt(i)).updateRecentlyOpenedFilesMenuItems();
}
}
private void updateRecentlyOpenedFilesMenuItems() {
int ic = fileMenu.getItemCount();
// System.err.println("DLC ic is " + ic);
while (fileMenu.getItemCount() > 8)
fileMenu.remove(7);
int N = ThdlOptions.getIntegerOption("thdl.number.of.recently.opened.files.to.show", 4);
// Avoid adding duplicate entries:
int maximum = recentlyOpenedFiles.size();
if (N > maximum) N = maximum;
// DLC update the menus.
boolean addedSeparator = false;
for (int i = 0; i < N; i++) {
final File recentlyOpenedFile
= getNthRecentlyOpenedFile(N-i-1, N);
if (null != recentlyOpenedFile) {
if (!addedSeparator) {
fileMenu.insertSeparator(6);
addedSeparator = true;
}
JMenuItem item = new JMenuItem((N-i) + " " + recentlyOpenedFile.getAbsolutePath());
item.addActionListener(new ThdlActionListener() {
public void theRealActionPerformed(ActionEvent e) {
openFile(recentlyOpenedFile);
}
});
fileMenu.add(item, 7);
}
}
}
/**
@ -299,26 +343,8 @@ public class Jskad extends JPanel implements DocumentListener {
int N = ThdlOptions.getIntegerOption("thdl.number.of.recently.opened.files.to.show", 4);
int maxCharsToShow
= ThdlOptions.getIntegerOption("thdl.max.chars.in.recently.opened.file.name", 35);
if (N > 0) {
boolean addedSeparator = false;
for (int i = 0; i < N; i++) {
final File recentlyOpenedFile
= getNthRecentlyOpenedFile(i, N);
if (null != recentlyOpenedFile) {
if (!addedSeparator) {
fileMenu.addSeparator();
addedSeparator = true;
}
recentlyOpenedFiles.add(recentlyOpenedFile);
JMenuItem item = new JMenuItem((i+1) + " " + recentlyOpenedFile.getAbsolutePath());
item.addActionListener(new ThdlActionListener() {
public void theRealActionPerformed(ActionEvent e) {
openFile(recentlyOpenedFile);
}
});
fileMenu.add(item);
}
}
for (int i = 0; i < 2*N; i++) {
addMostRecentlyOpenedFile(getNthRecentlyOpenedFile(i, N));
}
if (parentObject instanceof JFrame) {
@ -332,6 +358,8 @@ public class Jskad extends JPanel implements DocumentListener {
fileMenu.add(exitItem);
}
updateRecentlyOpenedFilesMenuItems();
menuBar.add(fileMenu);
}