/** Handles the alternative partial disc selection triggered by pressing a key. */
public void handleKeyboardAlternativeDiscSelection() {
Set<Integer> setSelection = selectionManager.getElements(SelectionType.SELECTION);
PartialDisc pdCurrentMouseOverElement = null;
int iDisplayedHierarchyDepth =
Math.min(iMaxDisplayedHierarchyDepth, pdCurrentRootElement.getDepth());
if ((setSelection != null)) {
for (Integer elementID : setSelection) {
pdCurrentMouseOverElement = hashPartialDiscs.get(elementID);
if (pdCurrentMouseOverElement.isCurrentlyDisplayed(
pdCurrentRootElement, iDisplayedHierarchyDepth)) {
drawingController.handleAlternativeSelection(pdCurrentMouseOverElement);
return;
}
}
}
Set<Integer> setMouseOver = selectionManager.getElements(SelectionType.MOUSE_OVER);
if ((setMouseOver != null)) {
for (Integer elementID : setMouseOver) {
pdCurrentMouseOverElement = hashPartialDiscs.get(elementID);
if (pdCurrentMouseOverElement.isCurrentlyDisplayed(
pdCurrentRootElement, iDisplayedHierarchyDepth)) {
drawingController.handleAlternativeSelection(pdCurrentMouseOverElement);
return;
}
}
}
}
/**
* Initializes drawing strategies for all selected elements of the radial hierarchy's selection
* manager.
*
* @param mapSelectedDrawingStrategies Map is filled with key-value pairs where the key is a
* selected partial disc and its value is the corresponding drawing strategy.
*/
private void initDrawingStrategies(
HashMap<PartialDisc, PDDrawingStrategySelected> mapSelectedDrawingStrategies) {
PartialDisc pdCurrentRootElement = radialHierarchy.getCurrentRootElement();
int iMaxDisplayedHierarchyDepth = radialHierarchy.getMaxDisplayedHierarchyDepth();
pdCurrentMouseOverElement = null;
iDisplayedHierarchyDepth =
Math.min(iMaxDisplayedHierarchyDepth, pdCurrentRootElement.getDepth());
DrawingStrategyManager drawingStrategyManager = radialHierarchy.getDrawingStrategyManager();
APDDrawingStrategy dsDefault = drawingStrategyManager.getDefaultDrawingStrategy();
SelectionManager selectionManager = radialHierarchy.getSelectionManager();
Set<Integer> setSelection = selectionManager.getElements(SelectionType.SELECTION);
Set<Integer> setMouseOver = selectionManager.getElements(SelectionType.MOUSE_OVER);
pdCurrentRootElement.setPDDrawingStrategyChildren(dsDefault, iDisplayedHierarchyDepth);
HashMap<PartialDisc, SelectionType> mapSelectedElements =
new HashMap<PartialDisc, SelectionType>();
HashMap<PartialDisc, SelectionType> mapChildIndictatorElements =
new HashMap<PartialDisc, SelectionType>();
boolean bIsNewSelection = radialHierarchy.isNewSelection();
// Take the mouse over element from the selected elements, if any and if
// displayed.
for (Integer elementID : setSelection) {
PartialDisc pdSelected = radialHierarchy.getPartialDisc(elementID);
if (pdSelected != null) {
if (pdSelected.isCurrentlyDisplayed(pdCurrentRootElement, iDisplayedHierarchyDepth)) {
pdCurrentMouseOverElement = pdSelected;
break;
}
}
}
for (Integer elementID : setSelection) {
PartialDisc pdSelected = radialHierarchy.getPartialDisc(elementID);
if (pdSelected != null) {
if (pdCurrentMouseOverElement == null && bIsNewSelection) {
PartialDisc pdParent = pdSelected.getParent();
if (pdParent == null) {
pdCurrentRootElement = pdSelected;
} else {
pdCurrentRootElement = pdParent;
}
iDisplayedHierarchyDepth =
Math.min(iMaxDisplayedHierarchyDepth, pdCurrentRootElement.getDepth());
radialHierarchy.setCurrentRootElement(pdCurrentRootElement);
radialHierarchy.setCurrentSelectedElement(pdCurrentRootElement);
navigationHistory.addNewHistoryEntry(
this, pdCurrentRootElement, pdCurrentRootElement, iMaxDisplayedHierarchyDepth);
mapSelectedElements.put(pdSelected, SelectionType.SELECTION);
pdCurrentMouseOverElement = pdSelected;
continue;
}
PartialDisc pdIndicated =
pdSelected.getFirstVisibleElementOnParentPathToRoot(
pdCurrentRootElement, iDisplayedHierarchyDepth);
if (pdIndicated == pdSelected) {
mapSelectedElements.put(pdSelected, SelectionType.SELECTION);
} else if (pdIndicated == null) {
parentIndicatorType = SelectionType.SELECTION;
} else {
mapChildIndictatorElements.put(pdIndicated, SelectionType.SELECTION);
}
}
}
for (Integer elementID : setMouseOver) {
PartialDisc pdMouseOver = radialHierarchy.getPartialDisc(elementID);
if (pdMouseOver != null) {
if (pdCurrentMouseOverElement == null) {
if (pdMouseOver.isCurrentlyDisplayed(pdCurrentRootElement, iDisplayedHierarchyDepth)) {
mapSelectedElements.put(pdMouseOver, SelectionType.MOUSE_OVER);
pdCurrentMouseOverElement = pdMouseOver;
continue;
}
}
PartialDisc pdIndicated =
pdMouseOver.getFirstVisibleElementOnParentPathToRoot(
pdCurrentRootElement, iDisplayedHierarchyDepth);
if (pdIndicated == pdMouseOver) {
if (!mapSelectedElements.containsKey(pdMouseOver))
mapSelectedElements.put(pdMouseOver, SelectionType.MOUSE_OVER);
} else if (pdIndicated == null) {
if (parentIndicatorType != SelectionType.SELECTION)
parentIndicatorType = SelectionType.MOUSE_OVER;
} else {
if (!mapChildIndictatorElements.containsKey(pdIndicated))
mapChildIndictatorElements.put(pdIndicated, SelectionType.MOUSE_OVER);
}
}
}
for (PartialDisc pdSelected : mapSelectedElements.keySet()) {
PDDrawingStrategySelected dsCurrent =
(PDDrawingStrategySelected)
drawingStrategyManager.createDrawingStrategy(EPDDrawingStrategyType.SELECTED);
if (mapSelectedElements.get(pdSelected) == SelectionType.SELECTION) {
dsCurrent.setBorderColor(SelectionType.SELECTION.getColor().getRGBA());
}
if (mapChildIndictatorElements.containsKey(pdSelected)) {
if (mapChildIndictatorElements.get(pdSelected) == SelectionType.SELECTION) {
dsCurrent.setChildIndicatorColor(SelectionType.SELECTION.getColor().getRGBA());
} else {
dsCurrent.setChildIndicatorColor(SelectionType.MOUSE_OVER.getColor().getRGBA());
}
mapChildIndictatorElements.remove(pdSelected);
}
mapSelectedDrawingStrategies.put(pdSelected, dsCurrent);
pdSelected.setPDDrawingStrategy(dsCurrent);
}
for (PartialDisc pdIndicated : mapChildIndictatorElements.keySet()) {
APDDrawingStrategyChildIndicator dsCurrent =
(APDDrawingStrategyChildIndicator)
drawingStrategyManager.createDrawingStrategy(
drawingStrategyManager.getDefaultDrawingStrategy().getDrawingStrategyType());
if (mapChildIndictatorElements.get(pdIndicated) == SelectionType.SELECTION) {
dsCurrent.setChildIndicatorColor(SelectionType.SELECTION.getColor().getRGBA());
} else {
dsCurrent.setChildIndicatorColor(SelectionType.MOUSE_OVER.getColor().getRGBA());
}
pdIndicated.setPDDrawingStrategy(dsCurrent);
}
if (pdCurrentMouseOverElement != null) {
APDDrawingStrategyDecorator dsLabelDecorator =
new PDDrawingStrategyLabelDecorator(
radialHierarchy.getDataDomain().getTable().getColorMapper());
pdCurrentMouseOverElement.decoratePDDrawingStrategyChildren(
dsLabelDecorator,
Math.min(RadialHierarchyRenderStyle.MAX_LABELING_DEPTH, iDisplayedHierarchyDepth));
}
}