@Override
public void createControl(Composite parent) {
mComposite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(2, false);
layout.marginWidth = layout.marginHeight = 0;
mComposite.setLayout(layout);
GridDataFactory.fillDefaults().grab(true, true).applyTo(mComposite);
Label l = new Label(mComposite, SWT.NONE);
l.setText("Size: ");
GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
mSizeLabel = new Label(mComposite, SWT.NONE);
GridDataFactory.fillDefaults().grab(true, false).applyTo(mSizeLabel);
l = new Label(mComposite, SWT.NONE);
l.setText("Usage: ");
GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
mUsageLabel = new Label(mComposite, SWT.NONE);
GridDataFactory.fillDefaults().grab(true, false).applyTo(mUsageLabel);
l = new Label(mComposite, SWT.NONE);
l.setText("Type: ");
GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
mTypeLabel = new Label(mComposite, SWT.NONE);
GridDataFactory.fillDefaults().grab(true, false).applyTo(mTypeLabel);
l = new Label(mComposite, SWT.NONE);
l.setText("Format Data As: ");
GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
DisplayFormat[] values = DisplayFormat.values();
List<String> formats = new ArrayList<String>(values.length);
for (DisplayFormat format : values) {
formats.add(format.name());
}
mDisplayFormatCombo = new Combo(mComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
mDisplayFormatCombo.setItems(formats.toArray(new String[formats.size()]));
mDisplayFormatCombo.select(0);
mDisplayFormatCombo.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
updateContents();
}
});
GridDataFactory.fillDefaults().grab(true, false).applyTo(mDisplayFormatCombo);
mTextControl =
new Text(
mComposite,
SWT.BORDER | SWT.READ_ONLY | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL | SWT.H_SCROLL);
GridDataFactory.fillDefaults().span(2, 1).grab(true, true).applyTo(mTextControl);
mTextControl.setEditable(false);
}
/**
* Adds a cell format to the hash map, keyed on its index. If the format record is not
* initialized, then its index number is determined and its initialize method called. If the font
* is not a built in format, then it is added to the list of formats for writing out
*
* @param fr the format record
*/
public final void addFormat(DisplayFormat fr) throws NumFormatRecordsException {
if (!fr.isInitialized()) {
fr.initialize(nextCustomIndexNumber);
nextCustomIndexNumber++;
}
if (nextCustomIndexNumber > maxFormatRecordsIndex) {
nextCustomIndexNumber = maxFormatRecordsIndex;
throw new NumFormatRecordsException();
}
if (fr.getFormatIndex() >= nextCustomIndexNumber) {
nextCustomIndexNumber = fr.getFormatIndex() + 1;
}
if (!fr.isBuiltIn()) {
formatsList.add(fr);
formats.put(new Integer(fr.getFormatIndex()), fr);
}
}
/**
* Rationalizes the display formats. Duplicate formats are removed and the format indices of the
* cells adjusted accordingly. It is invoked immediately prior to writing writing out the sheet
*
* @param im the index mapping for the font rationalization
*/
public IndexMapping rationalizeDisplayFormats() {
ArrayList newformats = new ArrayList();
int numremoved = 0;
IndexMapping mapping = new IndexMapping(nextCustomIndexNumber);
// Iterate through the old list
Iterator i = formatsList.iterator();
DisplayFormat df = null;
DisplayFormat df2 = null;
boolean duplicate = false;
while (i.hasNext()) {
df = (DisplayFormat) i.next();
Assert.verify(!df.isBuiltIn());
// Compare against formats already on the list
Iterator i2 = newformats.iterator();
duplicate = false;
while (i2.hasNext() && !duplicate) {
df2 = (DisplayFormat) i2.next();
if (df2.equals(df)) {
duplicate = true;
mapping.setMapping(df.getFormatIndex(), mapping.getNewIndex(df2.getFormatIndex()));
numremoved++;
}
}
// If this format is not a duplicate then add it to the new list
if (!duplicate) {
newformats.add(df);
int indexnum = df.getFormatIndex() - numremoved;
if (indexnum > maxFormatRecordsIndex) {
System.err.println("Warning: too many number formats - using default format");
indexnum = 0; // the default number format index
}
mapping.setMapping(df.getFormatIndex(), df.getFormatIndex() - numremoved);
}
}
// Set the new list
formatsList = newformats;
// Update the index codes for the remaining formats
i = formatsList.iterator();
while (i.hasNext()) {
df = (DisplayFormat) i.next();
df.initialize(mapping.getNewIndex(df.getFormatIndex()));
}
return mapping;
}