* provider.
*
* TODO: This should support colors/states defined for each entry element in the
- * XML element. Also, event values may not be integers only (for instance, this
- * wouldn't support yet the callstack view)
+ * XML element.
*
* @author Florian Wininger
*/
public class XmlPresentationProvider extends TimeGraphPresentationProvider {
+ private static final long[] COLOR_SEED = { 0x0000ff, 0xff0000, 0x00ff00,
+ 0xff00ff, 0x00ffff, 0xffff00, 0x000000, 0xf07300
+ };
+
+ private static final int COLOR_MASK = 0xffffff;
+
private List<StateItem> stateValues = new ArrayList<>();
/*
* Maps the value of an event with the corresponding index in the
* @param viewElement
* The XML view element
*/
- public void loadNewStates(@NonNull Element viewElement) {
+ public synchronized void loadNewStates(@NonNull Element viewElement) {
stateValues.clear();
stateIndex.clear();
List<Element> states = XmlUtils.getChildElements(viewElement, TmfXmlStrings.DEFINED_VALUE);
String name = state.getAttribute(TmfXmlStrings.NAME);
String color = state.getAttribute(TmfXmlStrings.COLOR);
- // FIXME Allow this case
- if (value < 0) {
- return;
+ addOrUpdateState(value, name, color);
+ }
+ Display.getDefault().asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ fireColorSettingsChanged();
}
+ });
+ }
- final RGB colorRGB = (color.startsWith(TmfXmlStrings.COLOR_PREFIX)) ? parseColor(color) : calcColor(value);
-
- StateItem item = new StateItem(colorRGB, name);
-
- Integer index = stateIndex.get(value);
- if (index == null) {
- /* Add the new state value */
- stateIndex.put(value, stateValues.size());
- stateValues.add(item);
- } else {
- /* Override a previous state value */
- stateValues.set(index, item);
- }
+ /**
+ * Add a new state in the time graph view. This allow to define at runtime
+ * new states that cannot be known at the conception of this analysis.
+ *
+ * @param name
+ * The string associated with the state
+ * @return the value for this state
+ */
+ public synchronized int addState(String name) {
+ // Find a value for this name, start at 10000
+ int value = 10000;
+ while (stateIndex.get(value) != null) {
+ value++;
}
+ addOrUpdateState(value, name, ""); //$NON-NLS-1$
Display.getDefault().asyncExec(new Runnable() {
@Override
public void run() {
fireColorSettingsChanged();
}
});
+ return value;
+ }
+
+ private synchronized void addOrUpdateState(int value, String name, String color) {
+ // FIXME Allow this case
+ if (value < 0) {
+ return;
+ }
+
+ final RGB colorRGB = (color.startsWith(TmfXmlStrings.COLOR_PREFIX)) ? parseColor(color) : calcColor(name);
+
+ StateItem item = new StateItem(colorRGB, name);
+
+ Integer index = stateIndex.get(value);
+ if (index == null) {
+ /* Add the new state value */
+ stateIndex.put(value, stateValues.size());
+ stateValues.add(item);
+ } else {
+ /* Override a previous state value */
+ stateValues.set(index, item);
+ }
}
private static RGB parseColor(String color) {
return colorRGB;
}
- private static RGB calcColor(int value) {
- int x = (value * 97) % 1530;
- int r = 0, g = 0, b = 0;
- if (x >= 0 && x < 255) {
- r = 255;
- g = x;
- b = 0;
- }
- if (x >= 255 && x < 510) {
- r = 510 - x;
- g = 255;
- b = 0;
- }
- if (x >= 510 && x < 765) {
- r = 0;
- g = 255;
- b = x - 510;
- }
- if (x >= 765 && x < 1020) {
- r = 0;
- g = 1020 - x;
- b = 255;
- }
- if (x >= 1020 && x < 1275) {
- r = x - 1020;
- g = 0;
- b = 255;
- }
- if (x >= 1275 && x <= 1530) {
- r = 255;
- g = 0;
- b = 1530 - x;
- }
+ /*
+ * This method will always return the same color for a same name, no matter
+ * the value, so that different traces with the same XML analysis will
+ * display identically states with the same name.
+ */
+ private static RGB calcColor(String name) {
+ int hash = name.hashCode();
+ long base = COLOR_SEED[Math.abs(hash) % COLOR_SEED.length];
+ int x = (int) ((hash & COLOR_MASK) ^ base);
+ final int r = (x >> 16) & 0xff;
+ final int g = (x >> 8) & 0xff;
+ final int b = x & 0xff;
return new RGB(r, g, b);
}
projects / deliverable / tracecompass.git / blobdiff