/**
* Given a label figure object, this will calculate the correct Font needed to display into screen
* coordinates, taking into account the current mapmode. This will typically be used by direct
* edit cell editors that need to display independent of the zoom or any coordinate mapping that
* is taking place on the drawing surface.
*
* @param label the label to use for the font calculation
* @return the <code>Font</code> that is scaled to the screen coordinates. Note: the returned
* <code>Font</code> should not be disposed since it is cached by a common resource manager.
*/
protected Font getScaledFont(IFigure label) {
Font scaledFont = label.getFont();
FontData data = scaledFont.getFontData()[0];
Dimension fontSize = new Dimension(0, MapModeUtil.getMapMode(label).DPtoLP(data.getHeight()));
label.translateToAbsolute(fontSize);
if (Math.abs(data.getHeight() - fontSize.height) < 2) fontSize.height = data.getHeight();
try {
FontDescriptor fontDescriptor = FontDescriptor.createFrom(data);
cachedFontDescriptors.add(fontDescriptor);
return getResourceManager().createFont(fontDescriptor);
} catch (DeviceResourceException e) {
Trace.catching(
DiagramUIPlugin.getInstance(),
DiagramUIDebugOptions.EXCEPTIONS_CATCHING,
getClass(),
"getScaledFont",
e); //$NON-NLS-1$
Log.error(
DiagramUIPlugin.getInstance(),
DiagramUIStatusCodes.IGNORED_EXCEPTION_WARNING,
"getScaledFont",
e); //$NON-NLS-1$
}
return JFaceResources.getDefaultFont();
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
*/
public Font getFont(Object element) {
IWorkbenchAdapter2 adapter = getAdapter2(element);
if (adapter == null) {
return null;
}
FontData descriptor = adapter.getFont(element);
if (descriptor == null) {
return null;
}
try {
return resourceManager.createFont(FontDescriptor.createFrom(descriptor));
} catch (Exception e) {
Log.log(e);
return null;
}
}
/**
* This method obtains the fonts that are being used by the figure at its zoom level.
*
* @param gep the associated <code>GraphicalEditPart</code> of the figure
* @param actualFont font being used by the figure
* @param display
* @return <code>actualFont</code> if zoom level is 1.0 (or when there's an error), new Font
* otherwise.
*/
private Font getZoomLevelFont(Font actualFont, Display display) {
Object zoom = getEditPart().getViewer().getProperty(ZoomManager.class.toString());
if (zoom != null) {
double zoomLevel = ((ZoomManager) zoom).getZoom();
if (zoomLevel == 1.0f) return actualFont;
FontData[] fd = new FontData[actualFont.getFontData().length];
FontData tempFD = null;
for (int i = 0; i < fd.length; i++) {
tempFD = actualFont.getFontData()[i];
fd[i] =
new FontData(
tempFD.getName(), (int) (zoomLevel * tempFD.getHeight()), tempFD.getStyle());
}
try {
FontDescriptor fontDescriptor = FontDescriptor.createFrom(fd);
cachedFontDescriptors.add(fontDescriptor);
return getResourceManager().createFont(fontDescriptor);
} catch (DeviceResourceException e) {
Trace.catching(
DiagramUIPlugin.getInstance(),
DiagramUIDebugOptions.EXCEPTIONS_CATCHING,
getClass(),
"getZoomLevelFonts",
e); //$NON-NLS-1$
Log.error(
DiagramUIPlugin.getInstance(),
DiagramUIStatusCodes.IGNORED_EXCEPTION_WARNING,
"getZoomLevelFonts",
e); //$NON-NLS-1$
return actualFont;
}
} else return actualFont;
}
@Override
public void update(ViewerCell cell) {
super.update(cell);
SourceFilesViewer.TranslationUnitInfo tuInfo = null;
Object element = cell.getElement();
if (element instanceof ITranslationUnit) {
tuInfo = SourceFilesViewer.fetchTranslationUnitInfo((Executable) viewer.getInput(), element);
}
int orgColumnIndex = cell.getColumnIndex();
if (orgColumnIndex == 0) {
if (element instanceof String) {
cell.setText((String) element);
Font italicFont =
resourceManager.createFont(
FontDescriptor.createFrom(viewer.getTree().getFont()).setStyle(SWT.ITALIC));
cell.setFont(italicFont);
} else {
cell.setFont(viewer.getTree().getFont());
}
} else if (orgColumnIndex == 1) {
cell.setText(null);
if (tuInfo != null) {
if (tuInfo.location != null) {
cell.setText(tuInfo.location.toOSString());
if (tuInfo.exists)
cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
else cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_GRAY));
}
}
cell.setImage(null);
} else if (orgColumnIndex == 2) {
cell.setText(null);
if (tuInfo != null && tuInfo.originalLocation != null) {
cell.setText(tuInfo.originalLocation.toOSString());
if (tuInfo.originalExists)
cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
else cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_GRAY));
}
cell.setImage(null);
} else if (orgColumnIndex == 3) {
cell.setText(null);
if (tuInfo != null) {
if (tuInfo.exists) {
cell.setText(Long.toString(tuInfo.fileLength));
}
}
cell.setImage(null);
} else if (orgColumnIndex == 4) {
cell.setText(null);
if (tuInfo != null) {
if (tuInfo.exists) {
String dateTimeString =
DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT)
.format(new Date(tuInfo.lastModified));
cell.setText(dateTimeString);
}
}
cell.setImage(null);
} else if (orgColumnIndex == 5) {
cell.setText(null);
if (tuInfo != null) {
if (tuInfo.location != null) {
String fileExtension = tuInfo.location.getFileExtension();
if (fileExtension != null) cell.setText(fileExtension.toLowerCase());
}
}
cell.setImage(null);
}
}