private boolean checkValidPage() {
if (resultSetController != null
&& resultSetController.getTotalResultSetLength() != -1
&& resultSetController.getBlockSize() != -1
&& controlPageNr.getDouble().intValue()
> resultSetController.getTotalResultSetLength() / resultSetController.getBlockSize()) {
controlPageNr.setValue(new Integer(currentPageNr));
return false;
}
return true;
}
/** Method called by grid component each time a row is selected. */
public void setLastRow(boolean isLastRecord) {
lastButton.setEnabled(!isLastRecord);
nextButton.setEnabled(!isLastRecord);
nextPgButton.setEnabled(!isLastRecord);
controlPageNr.setEnabled(true);
// controlPageNr.setEnabled(resultSetController.getTotalResultSetLength()!=-1);
}
/** Method called by grid component each time a row is selected. */
public void setFirstRow(boolean isFirstRecord) {
firstButton.setEnabled(!isFirstRecord);
prevPgButton.setEnabled(!isFirstRecord);
prevButton.setEnabled(!isFirstRecord);
controlPageNr.setEnabled(true);
// controlPageNr.setEnabled(resultSetController.getTotalResultSetLength()!=-1);
}
/** Show/update/hide page number field, according to loading policy and current data length. */
public final void updatePageNumber(int pageNr) {
controlPageNr.setValue(new Integer(pageNr));
pageNrPanel.removeAll();
if (pageNr > 0 && showPageNumber) pageNrPanel.add(controlPageNr);
pageNrPanel.revalidate();
this.repaint();
}
public void setEnabled(boolean enabled) {
controlPageNr.setEnabled(enabled);
// if (!enabled)
// controlPageNr.setEnabled(false);
// else
// controlPageNr.setEnabled(resultSetController.getTotalResultSetLength()!=-1);
firstButton.setEnabled(enabled);
prevPgButton.setEnabled(enabled);
prevButton.setEnabled(enabled);
nextButton.setEnabled(enabled);
nextPgButton.setEnabled(enabled);
lastButton.setEnabled(enabled);
}
public NavigatorBar() {
try {
jbInit();
controlPageNr.setColumns(3);
controlPageNr.setValue(new Integer(1));
controlPageNr.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (controlPageNr.getDouble() == null) controlPageNr.setValue(new Integer(1));
if (!checkValidPage()) return;
currentPageNr = controlPageNr.getDouble().intValue();
gotoPage();
}
});
controlPageNr.addFocusListener(
new FocusAdapter() {
public void focusGained(FocusEvent e) {
if (controlPageNr.getDouble() == null) controlPageNr.setValue(new Integer(1));
currentPageNr = controlPageNr.getDouble().intValue();
}
public void focusLost(FocusEvent e) {
if (controlPageNr.getDouble() == null) controlPageNr.setValue(new Integer(1));
if (!checkValidPage()) return;
int lastValue = currentPageNr;
currentPageNr = controlPageNr.getDouble().intValue();
if (lastValue != currentPageNr) gotoPage();
}
});
firstButton.setToolTipText(
ClientSettings.getInstance()
.getResources()
.getResource("Load the first block of records"));
firstButton.setPreferredSize(new Dimension(32, 32));
prevPgButton.setToolTipText(
ClientSettings.getInstance()
.getResources()
.getResource("Load the previous block of records"));
prevPgButton.setPreferredSize(new Dimension(32, 32));
prevButton.setToolTipText(
ClientSettings.getInstance()
.getResources()
.getResource("Select the previous row in grid"));
prevButton.setPreferredSize(new Dimension(32, 32));
nextButton.setToolTipText(
ClientSettings.getInstance().getResources().getResource("Select the next row in grid"));
nextButton.setPreferredSize(new Dimension(32, 32));
nextPgButton.setToolTipText(
ClientSettings.getInstance()
.getResources()
.getResource("Load the next block of records"));
nextPgButton.setPreferredSize(new Dimension(32, 32));
lastButton.setToolTipText(
ClientSettings.getInstance()
.getResources()
.getResource("Load the last block of records"));
lastButton.setPreferredSize(new Dimension(32, 32));
} catch (Exception e) {
e.printStackTrace();
}
}