/**
* Display value entry controls for all unbound arguments. Precondition: the target must be set.
*/
private void displayArgumentControls() {
TableTopPanel tableTopPanel = getTableTopPanel();
// Build the list of value entry panels and place them onto the TableTop
// Get the list of unbound arguments
List<Gem.PartInput> argParts = targetDisplayedGem.getTargetArguments();
// see if it's ok to use the cached argument values
boolean canUseCachedArgs = canUseCachedArguments();
// Figure out the types of the argument panels. Note that we must account for cached values
int numArgs = argParts.size();
// make copies of the input types.
TypeExpr[] inputTypes = new TypeExpr[numArgs];
for (int i = 0; i < numArgs; i++) {
// Get this input, and its type
Gem.PartInput inputPart = argParts.get(i);
inputTypes[i] = inputPart.getType();
}
TypeExpr[] specializedInputTypes;
if (canUseCachedArgs) {
// this is the array of types cached for each argument. If there is no cached type, we just
// use the argument type.
TypeExpr[] cachedTypes = new TypeExpr[numArgs];
for (int i = 0; i < numArgs; ++i) {
// What we do next depends on whether we use cached sink values
Gem.PartInput inputPart = argParts.get(i);
ValueNode cachedVN = gemCutter.getTableTop().getCachedValue(inputPart);
if (cachedVN != null) {
cachedTypes[i] = cachedVN.getTypeExpr();
}
}
try {
ModuleTypeInfo contextModuleTypeInfo =
gemCutter.getPerspective().getWorkingModuleTypeInfo();
specializedInputTypes =
TypeExpr.patternMatchPieces(cachedTypes, inputTypes, contextModuleTypeInfo);
} catch (TypeException te) {
throw new IllegalStateException("Error reusing cached args.");
}
} else {
specializedInputTypes = TypeExpr.copyTypeExprs(inputTypes);
}
ValueEditorManager valueEditorManager = gemCutter.getValueEditorManager();
ValueEditorDirector valueEditorDirector = valueEditorManager.getValueEditorDirector();
Map<PartInput, ValueEditor> inputToEditorMap = new LinkedHashMap<PartInput, ValueEditor>();
// Step through args, create a new value input panel for each, with the correct value type
for (int i = 0; i < numArgs; i++) {
// Get the gem and input
final Gem.PartInput inputPart = argParts.get(i);
final Gem inputGem = inputPart.getGem();
int argumentNumber = inputPart.getInputNum();
QualifiedName scName = null;
if (inputGem instanceof FunctionalAgentGem) {
scName = ((FunctionalAgentGem) inputGem).getName();
}
// What we do next depends on whether we use cached sink values
ValueNode cachedVN;
final ValueEditor editor;
if (canUseCachedArgs
&& (cachedVN = gemCutter.getTableTop().getCachedValue(inputPart)) != null) {
// use cached sink value to generate the VEP
// get a copy of the cached VN but with the new type expr
ValueNode newVN = cachedVN.copyValueNode();
// instantiate the VEP with the new VN (which has the old cached value)
editor =
valueEditorDirector.getRootValueEditor(
valueEditorHierarchyManager,
newVN,
scName,
argumentNumber,
new GemCutterMetadataRunner(gemCutter, inputGem));
} else {
// don't use cached sink value. Generate the default VEP for this sink.
TypeExpr inputType = specializedInputTypes[i];
editor =
valueEditorDirector.getRootValueEditor(
valueEditorHierarchyManager,
inputType,
scName,
argumentNumber,
new GemCutterMetadataRunner(gemCutter, inputGem));
}
// If this is a value entry panel then set the name of the input for use in tooltips
if (editor instanceof ValueEntryPanel) {
((ValueEntryPanel) editor)
.setArgumentName(inputPart.getArgumentName().getCompositeName());
}
// Position the editor next to the connection point.
positionEditor(editor, inputPart);
// Now add the editor to the table top.
tableTopPanel.add(editor, 0);
// Add to the list of active entry panels
valueEditorHierarchyManager.addTopValueEditor(editor);
// Update the context and editor map
editor.setContext(
new ValueEditorContext() {
public TypeExpr getLeastConstrainedTypeExpr() {
return inputPart.getType();
}
});
inputToEditorMap.put(inputPart, editor);
// If the editor resizes because it's value changes, make sure it stays aligned to the
// connection
editor.addComponentListener(
new ComponentAdapter() {
@Override
public void componentResized(ComponentEvent e) {
positionEditor((ValueEditor) e.getComponent(), inputPart);
}
});
}
// Must prevent ValueGems from being editable.
tableTopPanel.setValueGemsEnabled(false);
// Need to activate the value editor hierarchy to ensure correct highlighting.
valueEditorHierarchyManager.activateCurrentEditor();
// Set the context and type switch listener for each new editor.
ArgumentValueCommitter argumentValueCommitter =
new ArgumentValueCommitter(valueEditorManager, inputToEditorMap);
for (final ValueEditor argumentEditor : getArgumentPanels()) {
argumentEditor.addValueEditorListener(argumentValueCommitter);
}
// May need to show argument controls.
if (numArgs > 0) {
gemCutter.showArgumentControls(inputToEditorMap);
gemCutter.getResetAction().setEnabled(true);
} else {
gemCutter.getResetAction().setEnabled(false);
}
}
