/**
* This method updates the <code>EditMode</code>'s knowledge of the currently-selected vertices in
* the <code>MeshApplication</code>.
*/
@Override
public void selectionChanged() {
// We can only modify the selection if it's not being used. Currently,
// the only other place where the current selection is read when this
// method executes is in simpleUpdate().
selectionLock.lock();
try {
// Clear all temporary controllers, etc.
clearSelection();
// Get the size that the vertex view should have.
float vertexSize = appState.getVertexSize();
float scale = appState.getScale();
// Add each of the currently-selected vertices to the map.
for (Vertex vertex : appState.getSelectionManager().getSelectedVertices()) {
int id = vertex.getId();
// Put the selected vertex in the map.
selectedVertices.put(id, vertex);
// Create a temporary clone of the current vertex.
Vertex clone = (Vertex) vertex.clone();
// Create a temporary controller for the clone vertex.
// TODO Set up this material in initMaterials
VertexController controller =
new VertexController(clone, updateQueue, createBasicMaterial(null));
controller.setParentNode(tempSpatials);
controller.setState(StateType.Temporary);
controller.setSize(vertexSize);
controller.setScale(scale);
vertexControllers.put(clone.getId(), controller);
}
} finally {
selectionLock.unlock();
}
return;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ice.client.widgets.mesh.MeshAppStateMode#leftClick(boolean ,
* float)
*/
@Override
public void leftClick(boolean isPressed, float tpf) {
super.leftClick(isPressed, tpf);
// Update the mouseDown boolean.
mouseDown.set(isPressed);
// We need to differentiate between mouse clicks and mouse drags. Below,
// we classify them as follows:
// If your mouse down+up is less than 0.25 seconds, it's a click.
// If your mouse down+up is greater than 0.25 seconds, then:
// if the mouse did not move, it is a click
// if the mouse moved, it is a drag
if (mouseDown.get()) {
// Start a timer for the click. The click timer should expire after
// a quarter of a second. Then it should set the boolean "click" to
// false.
clickTimer = new Timer(true);
clickTimer.schedule(
new TimerTask() {
@Override
public void run() {
click.set(false);
}
},
clickThreshold);
// Set the starting location of the mouse drag.
CollisionResults results = getCollision(grid, appState.getCursorRayFromClick());
if (results.size() > 0) {
dragStart = appState.getClosestGridPoint(results.getClosestCollision().getContactPoint());
}
}
// Note: We have to check the clickTimer because it may be possible for
// the AWTPanel to fire a mouse release event but not a mouse press
// event.
else if (clickTimer != null) {
// Stop the click timer.
clickTimer.cancel();
// We need to get the current state of the click and drag booleans.
// We should also reset them since the mouseUp signals the end of
// the sequence of mouse events.
boolean click = this.click.getAndSet(true);
boolean drag = this.drag.getAndSet(false);
// The first condition is for clicks. Either the click was fast
// enough or the mouse did not move.
if (click || !drag) {
// Determine whether or not shift and control were pressed.
boolean addToSelection = shiftPressed.get();
boolean toggleSelection = controlPressed.get();
// Get the Vertex for the clicked geometry if possible and add
// it to the collection of selected vertices.
CollisionResults results = getCollision(vertexSpatials, appState.getCursorRayFromClick());
Vertex clickedVertex = null;
int id = 0;
if (results.size() > 0) {
// Get the Vertex ID from the VertexView.
id = Integer.parseInt(results.getClosestCollision().getGeometry().getName());
clickedVertex = appState.getMesh().getVertex(id);
}
MeshSelectionManager selection = appState.getSelectionManager();
if (addToSelection) {
// A shift-click should only add the clicked item to the
// current selection.
if (clickedVertex != null) {
selection.selectVertex(id);
}
} else if (toggleSelection) {
// A control-click should toggle clicked item's selection
// state.
if (clickedVertex != null) {
if (selection.getSelectedVertexIds().contains(id)) {
selection.deselectVertex(id);
} else {
selection.selectVertex(id);
}
}
} else {
// A standard click should clear the selection and set the
// clicked item (if any) to the current selection.
selection.clearSelection();
if (clickedVertex != null) {
selection.selectVertex(id);
}
}
}
// The second condition is for drags. The click was too slow and the
// mouse moved.
else {
// For now, all drag does it drag the currently-selected
// vertices. We do not draw boxes around things yet, so we do
// not need to check for shift or control.
// Update the location for each of the selected vertices.
for (Vertex v : selectedVertices.values()) {
VertexController controller = vertexControllers.get(v.getId());
Vector3f location = controller.getLocation();
v.setLocation(location.x, location.y, location.z);
}
}
// Reset the click timer.
clickTimer = null;
}
return;
}