private void updateLabels() {
Object value = source.getPropertyValue(descriptor.getId());
if (nameLayout != null && !nameLayout.isDisposed()) {
nameLayout.setText(descriptor.getDisplayName());
nameLayout.setStyle(
new TextStyle(canvas.getFont(), canvas.getForeground(), null),
0,
nameLayout.getText().length());
}
ILabelDescriptor labelDescriptor = descriptor.getLabelDescriptor();
ImageDescriptor image = labelDescriptor == null ? null : labelDescriptor.getImage(value);
if (valueImage != null) {
valueImage.dispose();
}
valueImage = image == null ? null : image.createImage(false, Display.getCurrent());
ColorDescriptor color = labelDescriptor == null ? null : labelDescriptor.getForeground(value);
if (valueColor != null) {
valueColor.dispose();
}
valueColor = color == null ? null : color.createColor(Display.getCurrent());
FontDescriptor font = labelDescriptor == null ? null : labelDescriptor.getFont(value);
if (valueFont != null) {
valueFont.dispose();
}
valueFont = font == null ? null : font.createFont(Display.getCurrent());
if (valueLayout != null && !valueLayout.isDisposed()) {
String valueText =
labelDescriptor == null
? (value == null
? "" //$NON-NLS-1$
: value.toString())
: labelDescriptor.getText(value);
if (valueText == null) valueText = ""; // $NON-NLS-1$
valueLayout.setText(valueText);
valueLayout.setStyle(
new TextStyle(
valueFont == null ? canvas.getFont() : valueFont,
valueColor == null ? canvas.getForeground() : valueColor,
null),
0,
valueText.length());
}
canvas.layout(true);
canvas.redraw();
}
/** Tests to ensure correct behavior of getColorDescriptor methods. */
public void testDefaultColorDescriptor() {
ColorDescriptor desc = getDefaultTheme().getColorRegistry().getColorDescriptor("somegarbage");
assertNotNull(desc);
Color color = desc.createColor(getWorkbench().getDisplay());
assertNotNull(color);
// color.dispose();
desc = getDefaultTheme().getColorRegistry().getColorDescriptor("somegarbage", null);
assertNull(desc);
desc =
getDefaultTheme()
.getColorRegistry()
.getColorDescriptor("somegarbage", ColorDescriptor.createFrom(new RGB(0, 0, 0)));
assertNotNull(desc);
color = desc.createColor(getWorkbench().getDisplay());
assertNotNull(color);
// color.dispose();
}
private Color getColor(Object element, boolean forground) {
IWorkbenchAdapter2 adapter = getAdapter2(element);
if (adapter == null) {
return null;
}
RGB descriptor = forground ? adapter.getForeground(element) : adapter.getBackground(element);
if (descriptor == null) {
return null;
}
try {
return resourceManager.createColor(ColorDescriptor.createFrom(descriptor));
} catch (Exception e) {
Log.log(e);
return null;
}
}
/**
* Returns the color descriptor associated with the given symbolic color name. If this name does
* not exist within the registry the supplied default value will be used.
*
* @param symbolicName
* @param defaultValue
* @return the color descriptor associated with the given symbolic color name or the default
* @since 3.4
*/
public ColorDescriptor getColorDescriptor(String symbolicName, ColorDescriptor defaultValue) {
RGB rgb = getRGB(symbolicName);
if (rgb == null) return defaultValue;
return ColorDescriptor.createFrom(rgb);
}
private ColorDescriptor createEditorColorDescriptor(String key) {
return ColorDescriptor.createFrom(
PreferenceConverter.getColor(EditorsUI.getPreferenceStore(), key));
}
