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package org.reprap.gui;
import javax.media.j3d.AmbientLight;
import javax.media.j3d.Background;
import javax.media.j3d.Bounds;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.DirectionalLight;
import javax.media.j3d.Group;
import javax.media.j3d.TransformGroup;
import javax.media.j3d.ViewPlatform;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.vecmath.Color3f;
//import javax.vecmath.Vector3d;
public class PreviewPanel extends Panel3D implements Previewer {
private int material = 0;
private double previousZ = Double.NaN;
private JCheckBoxMenuItem layerPauseCheckbox = null, segmentPauseCheckbox = null;
private BranchGroup extrusions;
private StatusMessage statusWindow;
/**
* Constructor
*/
public PreviewPanel() throws Exception {
initialise();
statusWindow = new StatusMessage(new JFrame());
}
/**
* Set bg light grey
*/
protected Background createBackground() {
Background back = new Background(bgColour);
back.setApplicationBounds(createApplicationBounds());
return back;
}
protected BranchGroup createViewBranchGroup(TransformGroup[] tgArray,
ViewPlatform vp) {
BranchGroup vpBranchGroup = new BranchGroup();
if (tgArray != null && tgArray.length > 0) {
Group parentGroup = vpBranchGroup;
TransformGroup curTg = null;
for (int n = 0; n < tgArray.length; n++) {
curTg = tgArray[n];
parentGroup.addChild(curTg);
parentGroup = curTg;
}
tgArray[tgArray.length - 1].addChild(vp);
} else
vpBranchGroup.addChild(vp);
return vpBranchGroup;
}
/**
* Set stuff up for the constructors - called by all of them that actually
* do anything.
*/
/**
* Set up the RepRap working volume
*/
protected BranchGroup createSceneBranchGroup() throws Exception {
sceneBranchGroup = new BranchGroup();
BranchGroup objRoot = sceneBranchGroup;
Bounds lightBounds = getApplicationBounds();
AmbientLight ambLight = new AmbientLight(true, new Color3f(1.0f, 1.0f,
1.0f));
ambLight.setInfluencingBounds(lightBounds);
objRoot.addChild(ambLight);
DirectionalLight headLight = new DirectionalLight();
headLight.setInfluencingBounds(lightBounds);
objRoot.addChild(headLight);
wv_and_stls.setCapability(Group.ALLOW_CHILDREN_EXTEND);
extrusions = new BranchGroup();
extrusions.setCapability(Group.ALLOW_CHILDREN_EXTEND);
extrusions.setCapability(Group.ALLOW_CHILDREN_WRITE);
wv_and_stls.addChild(extrusions);
// Load the STL file for the working volume
world = new STLObject(wv_and_stls, worldName);
String stlFile = getStlBackground();
workingVolume = new STLObject(stlFile, wv_offset, 0, wv_app);
wv_and_stls.addChild(workingVolume.top);
// Set the mouse to move everything
MouseObject mouse = new MouseObject(getApplicationBounds(), mouse_tf, mouse_zf);
mouse.move(world, false);
objRoot.addChild(world.top);
return objRoot;
}
/**
* Set the current extrusion material (or equivalently, the extruder head)
*/
public void setMaterial(int index) {
material = index;
}
/**
* Get the current extrusion material
* @return The current extrusion material as an integer index
*/
public int getMaterial() {
return material;
}
/**
* Called to add a new segment of extruded material to the preview
*/
public void addSegment(double x1, double y1, double z1, double x2, double y2, double z2) {
if (layerPauseCheckbox != null && layerPauseCheckbox.isSelected() &&
z2 != previousZ)
layerPause();
if (segmentPauseCheckbox != null && segmentPauseCheckbox.isSelected())
segmentPause();
if (isCancelled()) return;
final double extrusionSize = 0.3;
BranchGroup group = new BranchGroup();
group.setCapability(BranchGroup.ALLOW_DETACH);
addBlock(group, extrusion_app,
x1, y1, z1,
x2, y2, z2,
(float)(extrusionSize * 0.5));
extrusions.addChild(group);
previousZ = z2;
}
/**
* Clear and prepare for a new preview
*
*/
public void reset() {
extrusions.removeAllChildren();
previousZ = Double.NaN;
setCancelled(false);
}
/**
* Display a message indicating a segment is about to be
* printed and wait for the user to acknowledge
*/
private void segmentPause() {
ContinuationMesage msg =
new ContinuationMesage(null, "A new segment is about to be produced",
segmentPauseCheckbox, layerPauseCheckbox);
msg.setVisible(true);
try {
synchronized(msg) {
msg.wait();
}
} catch (Exception ex) {
}
if (msg.getResult() == false)
setCancelled(true);
msg.dispose();
}
/**
* Display a message indicating a layer is about to be
* printed and wait for the user to acknowledge
*/
private void layerPause() {
ContinuationMesage msg =
new ContinuationMesage(null, "A new layer is about to be produced",
segmentPauseCheckbox, layerPauseCheckbox);
msg.setVisible(true);
try {
synchronized(msg) {
msg.wait();
}
} catch (Exception ex) {
}
if (msg.getResult() == false)
setCancelled(true);
msg.dispose();
}
/**
* Set the source checkbox used to determine if there should
* be a pause between segments.
*
* @param segmentPause The source checkbox used to determine
* if there should be a pause. This is a checkbox rather than
* a boolean so it can be changed on the fly.
*/
public void setSegmentPause(JCheckBoxMenuItem segmentPause) {
segmentPauseCheckbox = segmentPause;
}
/**
* Set the source checkbox used to determine if there should
* be a pause between layers.
*
* @param layerPause The source checkbox used to determine
* if there should be a pause. This is a checkbox rather than
* a boolean so it can be changed on the fly.
*/
public void setLayerPause(JCheckBoxMenuItem layerPause) {
layerPauseCheckbox = layerPause;
}
public void setMessage(String message) {
if (message == null)
statusWindow.setVisible(false);
else {
statusWindow.setMessage(message);
statusWindow.setVisible(true);
}
}
public boolean isCancelled() {
return statusWindow.isCancelled();
}
public void setCancelled(boolean isCancelled) {
statusWindow.setCancelled(isCancelled);
}
}
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