Drawing line accross Split pane
Hi Friends,
I have a JSplitPane displaying two trees. I want to draw a line from a node in left tree to a node in right tree on drag and drop.
How can I do this??
Thanks,
Rajan
Hi,
if your JSplitPane is in a JLayeredPane use a higher layer. In it you put a class that extends JPanel. Put the background transparent overrid the paint method and draw the line from the coordonnate updated by the mouse events.
JRG
Similar Messages
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Drag and drop icons from onside of the split pane to the other side.
Hello All,
I am tring to write a program where i can drag and drop icons from the left side of the split pane to the right side. I have to draw a network on the right side of the split pane from the icons provided on the left side. Putting the icons on the labels donot work as i would like to drag multiple icons from the left side and drop them on the right side. CAn anyone please help me with this.
Thanks in advance
smithaThe other option besides the drag_n_drop support
http://java.sun.com/docs/books/tutorial/uiswing/dnd/intro.htmlis to make up something on your own. You could use a glasspane (see JRootPane api for overview) as mentioned in the tutorial.
Here's another variation using an OverlayLayout. One advantage of this approach is that you can localize the overlay component and avoid some work.
import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.event.MouseInputAdapter;
public class DragRx extends JComponent {
JPanel rightComponent;
BufferedImage image;
Point loc = new Point();
protected void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
if(image != null)
g2.drawImage(image, loc.x, loc.y, this);
public void setImage(BufferedImage image) {
this.image = image;
repaint();
public void moveImage(int x, int y) {
loc.setLocation(x, y);
repaint();
public void dropImage(Point p) {
int w = image.getWidth();
int h = image.getHeight();
p = SwingUtilities.convertPoint(this, p, rightComponent);
JLabel label = new JLabel(new ImageIcon(image));
rightComponent.add(label);
label.setBounds(p.x, p.y, w, h);
setImage(null);
private JPanel getContent(BufferedImage[] images) {
JSplitPane splitPane = new JSplitPane();
splitPane.setLeftComponent(getLeftComponent(images));
splitPane.setRightComponent(getRightComponent());
splitPane.setResizeWeight(0.5);
splitPane.setDividerLocation(225);
JPanel panel = new JPanel();
OverlayLayout overlay = new OverlayLayout(panel);
panel.setLayout(overlay);
panel.add(this);
panel.add(splitPane);
return panel;
private JPanel getLeftComponent(BufferedImage[] images) {
JPanel panel = new JPanel(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.weightx = 1.0;
gbc.weighty = 1.0;
for(int j = 0; j < images.length; j++) {
gbc.gridwidth = (j%2 == 0) ? GridBagConstraints.RELATIVE
: GridBagConstraints.REMAINDER;
panel.add(new JLabel(new ImageIcon(images[j])), gbc);
CopyDragHandler handler = new CopyDragHandler(panel, this);
panel.addMouseListener(handler);
panel.addMouseMotionListener(handler);
return panel;
private JPanel getRightComponent() {
rightComponent = new JPanel(null);
MouseInputAdapter mia = new MouseInputAdapter() {
Component selectedComponent;
Point offset = new Point();
boolean dragging = false;
public void mousePressed(MouseEvent e) {
Point p = e.getPoint();
for(Component c : rightComponent.getComponents()) {
Rectangle r = c.getBounds();
if(r.contains(p)) {
selectedComponent = c;
offset.x = p.x - r.x;
offset.y = p.y - r.y;
dragging = true;
break;
public void mouseReleased(MouseEvent e) {
dragging = false;
public void mouseDragged(MouseEvent e) {
if(dragging) {
int x = e.getX() - offset.x;
int y = e.getY() - offset.y;
selectedComponent.setLocation(x,y);
rightComponent.addMouseListener(mia);
rightComponent.addMouseMotionListener(mia);
return rightComponent;
public static void main(String[] args) throws IOException {
String[] ids = { "-c---", "--g--", "---h-", "----t" };
BufferedImage[] images = new BufferedImage[ids.length];
for(int j = 0; j < images.length; j++) {
String path = "images/geek/geek" + ids[j] + ".gif";
images[j] = ImageIO.read(new File(path));
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new DragRx().getContent(images));
f.setSize(500,400);
f.setLocation(200,200);
f.setVisible(true);
class CopyDragHandler extends MouseInputAdapter {
JComponent source;
DragRx target;
JLabel selectedLabel;
Point start;
Point offset = new Point();
boolean dragging = false;
final int MIN_DIST = 5;
public CopyDragHandler(JComponent c, DragRx dr) {
source = c;
target = dr;
public void mousePressed(MouseEvent e) {
Point p = e.getPoint();
Component[] c = source.getComponents();
for(int j = 0; j < c.length; j++) {
Rectangle r = c[j].getBounds();
if(r.contains(p) && c[j] instanceof JLabel) {
offset.x = p.x - r.x;
offset.y = p.y - r.y;
start = p;
selectedLabel = (JLabel)c[j];
break;
public void mouseReleased(MouseEvent e) {
if(dragging && selectedLabel != null) {
int x = e.getX() - offset.x;
int y = e.getY() - offset.y;
target.dropImage(new Point(x,y));
selectedLabel = null;
dragging = false;
public void mouseDragged(MouseEvent e) {
Point p = e.getPoint();
if(!dragging && selectedLabel != null
&& p.distance(start) > MIN_DIST) {
dragging = true;
copyAndSend();
if(dragging) {
int x = p.x - offset.x;
int y = p.y - offset.y;
target.moveImage(x, y);
private void copyAndSend() {
ImageIcon icon = (ImageIcon)selectedLabel.getIcon();
BufferedImage image = copy((BufferedImage)icon.getImage());
target.setImage(image);
private BufferedImage copy(BufferedImage src) {
int w = src.getWidth();
int h = src.getHeight();
BufferedImage dst =
source.getGraphicsConfiguration().createCompatibleImage(w,h);
Graphics2D g2 = dst.createGraphics();
g2.drawImage(src,0,0,source);
g2.dispose();
return dst;
}geek images from
http://java.sun.com/docs/books/tutorial/uiswing/examples/components/index.html -
Hi there,
I would like to have a simple Effects that will draw lines in various shape such as circle, ellipse or rectangle. How do I do it ?
I need it because I want to have an effect that is drawing an ellipse over the text.
Any ideas ?
Thanksok... hmmm...
You can create control points for a line but you cannot animate the control points in FCPX. If you're okay with that, then here are the basics:
Create a new top level group. Name it OSCs.
In the Inspector, select the group and in the Group tab of the inspector, select Fixed Resolution. (It should already be set to 2D - if not - set 2D)
In the Properties > Timing pane, set the length (Duration) of the group to at least as long as your project. (this step is not important in Motion but absolutely necessary for FCPX!)
With the new group selected, add the filters you will use as control points. In general, every starts with Filters > Distortion > Poke. You will need two of them. For each Poke filter, select Publish OSC in the inspector. (I recommend renaming each filter - startOSC, endOSC for example.)
Create another new group.
Go into the Library > Content and search for Crosshair -- there's three of them, use Crosshair-Minute (they're the smallest ones.) Add two of them. (It's not necessary that they're in their own group -- just more convenient.) Rename the crosshairs: keeping with the OSCs, I recommend start and end, for example.
Draw a Line.
To the shape (line), add two Behaviors > Shape > Track Points.
Rename the Track Points: Start and End.
In the Behaviors inspector for the Track Points, drag the start Crosshair image into the Source well of the Start track points and the end Crosshair image into the End Track Points. The behavior parameters will change and you'll see a bunch of new stuff. Down at the bottom, you'll see Track 1 and Track 2 — leave one checked for one of the behaviors and the other one checked for the second behavior (that's 1 track 1 and 1 track 2.) You'll also see that the Transform is set to Mimic Source. What you need to do is click the reset button on the Checked Track of each behavior and THEN change the Transform to Attach to Source. Once you do that, the line ends will snap to crosshair images (use Properties Transform X to move the crosshairs apart temporarily.)
Next step:
Select the start crosshair and in the Inspector > Properties, dial down the Position to reveal the XYZ parameters. Right click on the X and select Add Parameter Behavior > Link. Repeat this step for the Y parameter (you cannot link Position.All for this step.)
In the Behaviors inspector, for the start crosshair:
For the Source Object, drag the OSCs group into the well.
for the X parameter
For the Source Parameter, set Filters.startOSC.Center.X for the Position.X
and set Filters.startOSC.Center.Y for the Position.Y
You will notice the line end disappear off the screen. This is normal. To correct this, at the bottom of each behavior, set the X (or Y) offset to -0.5.
Repeat for the end crosshair.
You can turn off the crosshairs (uncheck the layers.)
To test your OSCs, select *both* startOSC and endOSC (command select each layer) -- both Poke OSCs will appear and you can drag them around the canvas. The line should follow as you would expect if you've set everything up correctly.
Publish the template.
A couple of explanations:
2D fixed resolution for the OSC group: Groups in Motion that are not fixed resolution can dynamically change their boundaries. There are no fixed points of reference for Motion to calulate. If you forget to set Fixed Resolution, you can repair the condition by setting the Fixed Resolution option and then go into the Filters pane and reset the Center parameters for each Poke OSC.
Offsets of -0.5: All resolutions in the Canvas are calculated by the resolution of the X and Y dimensions of the project times the fractional position of objects (from 0.0 on the left side for X and on the bottom for Y — to 1.0 on the right side for X and on the top for Y.) The center of the canvas is 0, 0 in pixels of whatever the resolution is. To adjust the fractional position used by the OSCs (and others) to the center pixel, the value needs to be moved by 1/2 of that distance.
Clear as mud? Once you've done it a few times, it will all become second nature.
One more thing: you can publish curves... complex ones. But they have to be B-spline (you track all the points in a similar manner outlined above) and not Bezier. There's no way to control the handles for bezier curves. -
Design problem(split pane scrollpane Insets)
hi,
doing a exam simulator prgm
design is like,
Question (text area with scrollpane)
Answers (checkbox inside panel with scrollpane)
used split pane between qst and ans but big thick bar comes how to reduce size and it is not
moving.
used GridLayout for container and panel.
PROBLEM is how to leave space qst textarea appears from very left edge of screen how to leave some space
same prblm for checkbox they to appear extreme left on screen.Put those components in a JPanel overwriting the getInsets() method like this:
JPanel cPane=new JPanel(){
private final Insets _insets=new Insets(10,10,10,10);
public Insets getInsets(){
return _insets;
};...should do the trick, take a look at the Insets class if you need information on how defining it... -
Line item split - open item clearing (FB05)
Hi,
when clearing open items we need to preserve the line item split in clearing document as it was in cleared items. For example if we have two line items with different assignment (ZUONR) system generates only one line item in the clearing document (where amount is equal to sum of amounts from both cleared items). We need one item per assignment in clearing document. Thanks for any suggestions.
Regards,
Michal MajerHi,
You can always go to the "Analysis" button in the Condition Tab of the Particular Line Item and see what has exactly happenned.
Now to understand your setting.... Was that Manual Condition Type .. A Header Condition ....In process... Once you enter a value in the Header Level automatically it will be transfered to the Line Items in the document ???
Regards -
Hi,
In my order we have the process where th line items splits automatically when there is no enough stock.
The issue is we have manual condition type value from the first item is not copied to the second item after split.
Please help to find out where in settings do i need to check to find out why manual price is not copied.
ThanksHi,
You can always go to the "Analysis" button in the Condition Tab of the Particular Line Item and see what has exactly happenned.
Now to understand your setting.... Was that Manual Condition Type .. A Header Condition ....In process... Once you enter a value in the Header Level automatically it will be transfered to the Line Items in the document ???
Regards -
Hi everyone,
Who have a good way to draw lines on SAP form?
I created a Wizard form, and use Rectangle (Height=0) as the two lines between title and bottom button, but I met a problem, when show another form which cover the line, after close this form, some part of lines disappear, I have tried using SAP form refresh, it still can not restore showing line completely, who have good way to workaround the problem or give me another way to draw line.
Thanks in advance!
KathyThe only way I found to get a form looking really close to a standard B1 Wizard form is to use bitmaps. I use 3 - one each for the top, bottom and left hand side. The bitmaps include the line drawing and appropriate pictures/background colours. I normally define these in the XML used to create the form as in the following example:-
<item uid="PTOP" type="117" left="0" width="566" top="0" height="80" visible="1" enabled="1" from_pane="0" to_pane="0">
<AutoManagedAttribute/>
<specific picture="AZU_SPC_WIZ_TOP2.bmp">
<databind databound="0" table="" alias=""/>
</specific>
</item>
<item uid="PBOT" type="117" left="0" width="566" top="336" height="40" visible="1" enabled="1" from_pane="0" to_pane="0">
<AutoManagedAttribute/>
<specific picture="AZU_SPC_WIZ_BOT.bmp">
<databind databound="0" table="" alias=""/>
</specific>
</item>
<item uid="PLEFT" type="117" left="0" width="100" top="0" height="336" visible="1" enabled="1" from_pane="1" to_pane="1">
<AutoManagedAttribute/>
<specific picture="AZU_SPC_WIZ9.bmp">
<databind databound="0" table="" alias=""/>
</specific>
</item>
John. -
Creating fancy pdf-files for costumers and other purposes is great. However, if the experimental data include many datapoints (>200000) a line-2d-graph ends up in a very big pdf-file. Especially when many pages need to be used.
Explanation:
When I use lines to show experimental data in 2d-plots the size of my PDF-file is directly influenced by the number of datapoints used. The more datapoints are used to draw lines within the graph, the bigger the exported PDF-files of the report are.
It would be great to limit the number of points used to draw a line as it can be done with markers without using the curve transformation option. - Hence, e.g. plotting a line with the help of 200 datapoints is usually as good as showing the same line based on 200000 datapoints but the pdf-size is significantly reduced. You can imagine that when this would be done via the transformation option a long lasting script would be needed for each line to reduce the number of datapoints shown. Hence, the plotting within the report and the actualisation of data would need very long.
Since a while DIAdem optimizes the size of exported PDF-files in a related way as it is suggested here. In principle the PDF-file is exported in a very high resolution, so you can display it in a reader with a very high zoom value (e. g. 6000 %) to look into details of your data. If you have a huge dataset, this could lead in fact to a bigger file size, if data points could be displayed because the high PDF-resolution. But in general, DIAdem only saves information in a PDF-file which is really necessary - but with a high resolution.
-
SmartForms - draw line in template
Hi!
I am new to SF, so have a question on drawing line in a template. I use template as the data is only printed out once and is static. I have many columns in my template and I would like to draw lines on the columns so that it is tidy & looks nicer.
I double click the template & in the "output options" tab, I checked the check box "line with..", but error prompt out to stop me, saying "Boxes/Shadings are not allowed within a table".
Does anyone know how can I draw lines in a template?
Kindly advise.
best regards,
GinnieHi,
Click on the template under the template tab, and then click on the select pattern just under the template heading , there you use lines.
regards,
Santosh Thorat
Edited by: santosh thorat on Dec 26, 2007 10:09 AM -
i get the following message when i try to open any of my documents : frozen panes and split panes are not supported and were removed. All my documents open blanc!
Hi Louisa,
louisa_16_za wrote:
i work with Numbers on my MiniMac and then save the files as Excel because the university only works with Windows.
Numbers is not an Excel clone. Importing and exporting between Numbers and Excel will eventually build up glitches.
If the university only works with 'Windoze' it might be better if you use Excel or a free version of Office (for example, Libre Office or Open Office).
If your marks depend upon a professor who uses Excel, go with the flow.
http://www.howtogeek.com/187663/openoffice-vs.-libreoffice-whats-the-difference- and-which-should-you-use/
Regards,
Ian -
hi,
i am new to adobe illustrator cs2.
is there any other method to draw line other than s
setEntirePath().
thanks in advance,Hello David,
It sounds to me like you're witnessing the double edged sword of an incredibly sharp display. The contrast and clarity of LCD displays makes it very easy to see razor-thin lines with ultra fine definition, but this comes at a cost.
Font smoothing (a.k.a. font aliasing) is one example of where most LCDs are so sharp that most people prefer to have their text "fuzzed" up a little bit.
A one pixel wide diagonal line is another example that you've discovered - the display is so sharp that there is no blurring around the "steps" of the line. You can see every change in gradient, because as sharp as your CRT might've been, it was blurring the line just slightly - enough to enhance the illusion that your diagonal line was a line rather than a series of adjacent "steps". No software package that I know of has bothered to implement "line smoothing" yet, probably because you need the detail for accuracy when putting lines together.
Sort of related to this, big screen HDTV plasma and LCD monitors look amazing in the store when tuned to an HD station, but most people would be floored if they say how grainy and pixelated a standard cable signal looks on the same display. It's literally like watching an old VHS tape, because the display is so sharp it resolves detail that is invisible on a "lesser" display.
Neat human trick: get used to working with your LCD, and then go back to the CRT if you have a chance. How does the CRT look? I thought I needed glasses the first time I switched back!
-Shawn -
I would like to cut and paste information from a word file onto a pdf file, as well as draw lines onto the pdf file. How can I accomplish that task? Is there software I can purchase?
Hi jgallu7382,
The latter is easily accomplished using the Drawing Markup tools, which are available in both the free Adobe Reader, and in Acrobat. Copying/pasting text into the PDF is something that you could do using the editing tools that are available only in Acrobat. Note, however, that Acrobat isn't intended to be a text-editing application, so editing there won't be as robust as in an application designed specifically for that purpose. (It's also worth mentioning that you won't be able to alter a PDF if it has document permissions applied that would prevent you from doing so.)
I hope that answers your questions.
Best,
Sara -
Need to draw line after the 2nd line item(Smart Forms)
Dear Friends,
I need to draw horizontal line after the 2nd line item and 3rd line item in smart forms.How can i achive this.
Plz help.
Edited by: farook shaik on May 19, 2009 8:19 AMThis is what you need to do:
1> In the tables->details section define two line types LT1 and LT2.
2> Come back to tables section pressing the table painter button.
3> Select a line type for which you want to have an underline(say LT2).
a] If the anchor cursor does not come click the draw lines and columns button( the pencil icon nutton)
b] select the line type ( it will become black after selection. Press and hold down ctrl to select
multiple cells.
c] after selection click the lower 'frame button' ( which is right at the top of box and shading).
4> Now goto data section where you have given your internal table name and work area.
a] in the sort criteria put your field POSNR and check the Event on Sort end chk box.
b] you will see an extra node under the main area of the table.
c] Create a table line with the line type LT2 in the node.
d]Also in the Main area add another table line with LT1 as the line type.
5> If POSNR remains unchnged LT1 will be triggered.
6> if Posnr changes then LT2 will be triggered with the underline.
This will suffice your requirement. -
I have a panel with a split pane in it. On the Left hand side there is a Tree and on the right side is a complex tabbed pane.
(complex meand it includes many panels, more tabbed panes and other components).
My problem is this. I have given a specific width for the split pane for the tree and at start time it comes corrcetly. But when I move the Split pane left, suddenly it jumps to the left edge of the screen. And then I cant move it forward again. Tree cannot be seen now.
Why does this happen I just cant figure out.
Is it because of tabbed panes or something with the split pane.
Another thing is when I try to move the split pane to the left the movements are not smooth. It kind of do smaller jumps, until it do that big jump to the edge.
Any help would be greatly appreciated....Seeing that your file has a size of 3.5 Mb, I preferred not to download it, but to send you this link.
-
How can get a Graphics to draw line on screen?
How can get a Graphics to draw line on screen?
Now, I can get a Graphics to draw line based on component. For example JPanel, but I want to get a Graphics to draw line on screen.By drawing on the screen, I assume you mean drawing outside the bounds of a top-level window like
JFrame or JDialog. You can't do that. At least, without going native and even then that's a dodgey thing
for any platform to let you do. One thing you can do is simulate it with a robot's screen capture:
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;
public class X {
public static void main(String[] args) throws Exception {
Rectangle bounds = GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds();
BufferedImage image = new Robot().createScreenCapture(bounds);
Graphics2D g2 = image.createGraphics();
g2.setStroke(new BasicStroke(20));
g2.setPaint(Color.RED);
g2.drawLine(0, 0, bounds.width, bounds.height);
g2.drawLine(bounds.width, 0, 0, bounds.height);
g2.dispose();
JLabel label = new JLabel(new ImageIcon(image));
label.addMouseListener(new MouseAdapter(){
public void mousePressed(MouseEvent evt) {
System.exit(0);
JFrame f = new JFrame();
f.setUndecorated(true);
f.getContentPane().add(label);
f.setBounds(bounds);
f.setVisible(true);
}
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