/** @return */
private TopicContextService findService() {
IViewer viewer = topicPart.getSite().getViewer();
if (viewer != null) {
return (TopicContextService) viewer.getService(TopicContextService.class);
}
return null;
}
public static String getIndexedBranchLineColor(IBranchPart branch) {
IBranchPart parent = branch.getParentBranch();
if (parent != null) {
int index = parent.getSubBranches().indexOf(branch);
if (index >= 0) {
IStyleSelector parentSS = StyleUtils.getStyleSelector(parent);
String value = parentSS.getUserValue(parent, Styles.MultiLineColors);
ISheetPart sheet = null;
if (value == null) {
// compatible with former versions:
IViewer viewer = parent.getSite().getViewer();
if (viewer != null) {
sheet = (ISheetPart) viewer.getAdapter(ISheetPart.class);
if (sheet != null) {
value =
StyleUtils.getStyleSelector(sheet).getUserValue(sheet, Styles.MultiLineColors);
}
}
}
if (value == null) {
value = parentSS.getStyleValue(parent, Styles.MultiLineColors);
}
// if (value == null && sheet != null) {
// value = StyleUtils.getStyleSelector(sheet).getStyleValue(
// sheet, Styles.MultiLineColors);
// }
if (value != null) {
if (!Styles.NONE.equals(value)) {
value = value.trim();
// split by whitespaces
String[] colors = value.split("[\\s]+"); // $NON-NLS-1$
if (colors.length > 0) {
index %= colors.length;
String color = colors[index].trim();
return color;
}
}
}
return null;
}
}
return null;
}
public static boolean isBranchLineTapered(IBranchPart branch, IStyleSelector ss) {
if (branch != null && ss != null && branch.isCentral()) {
String value = ss.getUserValue(branch, Styles.LineTapered);
if (value == null) {
// compatible with former versions:
IViewer viewer = branch.getSite().getViewer();
if (viewer != null) {
ISheetPart sheet = (ISheetPart) viewer.getAdapter(ISheetPart.class);
if (sheet != null) {
value = getStyleSelector(sheet).getUserValue(sheet, Styles.LineTapered);
}
}
}
if (value == null) {
value = ss.getStyleValue(branch, Styles.LineTapered);
}
return value != null && value.contains(Styles.TAPERED);
}
return false;
}