@Override
protected void doFillIntoGrid(Composite parent, int numColumns) {
getLabelControl(parent);
valueControl = getValueControl(parent);
GridData gd = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL);
gd.horizontalSpan = numColumns - getNumberOfControls() + 1;
valueControl.setLayoutData(gd);
if (previewText != null) {
previewer = new DefaultPreviewer(previewText, parent);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.heightHint = previewer.getPreferredExtent();
gd.widthHint = previewer.getPreferredExtent();
previewer.getControl().setLayoutData(gd);
}
changeFontButton = getChangeControl(parent);
gd = new GridData();
int widthHint = convertHorizontalDLUsToPixels(changeFontButton, IDialogConstants.BUTTON_WIDTH);
gd.widthHint =
Math.max(widthHint, changeFontButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
changeFontButton.setLayoutData(gd);
}
/**
* Returns the preferred preview height.
*
* @return the height, or <code>-1</code> if no previewer is installed
*/
public int getPreferredPreviewHeight() {
if (previewer == null) {
return -1;
}
return previewer.getPreferredExtent();
}
